chore(build): use SDL3

vendor/sdl-3.2.10/src/video/x11/SDL_x11clipboard.c

@@ -0,0 +1,329 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include <limits.h> // For INT_MAX
+
+#include "SDL_x11video.h"
+#include "SDL_x11clipboard.h"
+#include "../SDL_clipboard_c.h"
+#include "../../events/SDL_events_c.h"
+
+static const char *text_mime_types[] = {
+    "UTF8_STRING",
+    "text/plain;charset=utf-8",
+    "text/plain",
+    "TEXT",
+    "STRING"
+};
+
+// Get any application owned window handle for clipboard association
+Window GetWindow(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+
+    /* We create an unmapped window that exists just to manage the clipboard,
+       since X11 selection data is tied to a specific window and dies with it.
+       We create the window on demand, so apps that don't use the clipboard
+       don't have to keep an unnecessary resource around. */
+    if (data->clipboard_window == None) {
+        Display *dpy = data->display;
+        Window parent = RootWindow(dpy, DefaultScreen(dpy));
+        XSetWindowAttributes xattr;
+        data->clipboard_window = X11_XCreateWindow(dpy, parent, -10, -10, 1, 1, 0,
+                                                   CopyFromParent, InputOnly,
+                                                   CopyFromParent, 0, &xattr);
+
+        X11_XSelectInput(dpy, data->clipboard_window, PropertyChangeMask);
+        X11_XFlush(data->display);
+    }
+
+    return data->clipboard_window;
+}
+
+static bool SetSelectionData(SDL_VideoDevice *_this, Atom selection, SDL_ClipboardDataCallback callback,
+                            void *userdata, const char **mime_types, size_t mime_count, Uint32 sequence)
+{
+    SDL_VideoData *videodata = _this->internal;
+    Display *display = videodata->display;
+    Window window;
+    SDLX11_ClipboardData *clipboard;
+    bool clipboard_owner = false;
+
+    window = GetWindow(_this);
+    if (window == None) {
+        return SDL_SetError("Couldn't find a window to own the selection");
+    }
+
+    if (selection == XA_PRIMARY) {
+        clipboard = &videodata->primary_selection;
+    } else {
+        clipboard = &videodata->clipboard;
+    }
+
+    clipboard_owner = X11_XGetSelectionOwner(display, selection) == window;
+
+    // If we are canceling our own data we need to clean it up
+    if (clipboard_owner && clipboard->sequence == 0) {
+        SDL_free(clipboard->userdata);
+    }
+
+    clipboard->callback = callback;
+    clipboard->userdata = userdata;
+    clipboard->mime_types = mime_types;
+    clipboard->mime_count = mime_count;
+    clipboard->sequence = sequence;
+
+    X11_XSetSelectionOwner(display, selection, window, CurrentTime);
+    return true;
+}
+
+static void *CloneDataBuffer(const void *buffer, const size_t len)
+{
+    void *clone = NULL;
+    if (len > 0 && buffer) {
+        clone = SDL_malloc(len + sizeof(Uint32));
+        if (clone) {
+            SDL_memcpy(clone, buffer, len);
+            SDL_memset((Uint8 *)clone + len, 0, sizeof(Uint32));
+        }
+    }
+    return clone;
+}
+
+/*
+ * original_buffer is considered unusable after the function is called.
+ */
+static void *AppendDataBuffer(void *original_buffer, const size_t old_len, const void *buffer, const size_t buffer_len)
+{
+    void *resized_buffer;
+
+    if (buffer_len > 0 && buffer) {
+        resized_buffer = SDL_realloc(original_buffer, old_len + buffer_len + sizeof(Uint32));
+        if (resized_buffer) {
+            SDL_memcpy((Uint8 *)resized_buffer + old_len, buffer, buffer_len);
+            SDL_memset((Uint8 *)resized_buffer + old_len + buffer_len, 0, sizeof(Uint32));
+        }
+
+        return resized_buffer;
+    } else {
+        return original_buffer;
+    }
+}
+
+static bool WaitForSelection(SDL_VideoDevice *_this, Atom selection_type, bool *flag)
+{
+    Uint64 waitStart;
+    Uint64 waitElapsed;
+
+    waitStart = SDL_GetTicks();
+    *flag = true;
+    while (*flag) {
+        SDL_PumpEvents();
+        waitElapsed = SDL_GetTicks() - waitStart;
+        // Wait one second for a selection response.
+        if (waitElapsed > 1000) {
+            *flag = false;
+            SDL_SetError("Selection timeout");
+            /* We need to set the selection text so that next time we won't
+               timeout, otherwise we will hang on every call to this function. */
+            SetSelectionData(_this, selection_type, SDL_ClipboardTextCallback, NULL,
+                             text_mime_types, SDL_arraysize(text_mime_types), 0);
+            return false;
+        }
+    }
+
+    return true;
+}
+
+static void *GetSelectionData(SDL_VideoDevice *_this, Atom selection_type,
+                              const char *mime_type, size_t *length)
+{
+    SDL_VideoData *videodata = _this->internal;
+    Display *display = videodata->display;
+    Window window;
+    Window owner;
+    Atom selection;
+    Atom seln_type;
+    int seln_format;
+    unsigned long count;
+    unsigned long overflow;
+
+    SDLX11_ClipboardData *clipboard;
+    void *data = NULL;
+    unsigned char *src = NULL;
+    bool incr_success = false;
+    Atom XA_MIME = X11_XInternAtom(display, mime_type, False);
+
+    *length = 0;
+
+    // Get the window that holds the selection
+    window = GetWindow(_this);
+    owner = X11_XGetSelectionOwner(display, selection_type);
+    if (owner == None) {
+        // This requires a fallback to ancient X10 cut-buffers. We will just skip those for now
+        data = NULL;
+    } else if (owner == window) {
+        owner = DefaultRootWindow(display);
+        if (selection_type == XA_PRIMARY) {
+            clipboard = &videodata->primary_selection;
+        } else {
+            clipboard = &videodata->clipboard;
+        }
+
+        if (clipboard->callback) {
+            const void *clipboard_data = clipboard->callback(clipboard->userdata, mime_type, length);
+            data = CloneDataBuffer(clipboard_data, *length);
+        }
+    } else {
+        // Request that the selection owner copy the data to our window
+        owner = window;
+        selection = videodata->atoms.SDL_SELECTION;
+        X11_XConvertSelection(display, selection_type, XA_MIME, selection, owner,
+                              CurrentTime);
+
+        if (WaitForSelection(_this, selection_type, &videodata->selection_waiting) == false) {
+            data = NULL;
+            *length = 0;
+        }
+
+        if (X11_XGetWindowProperty(display, owner, selection, 0, INT_MAX / 4, False,
+                                   XA_MIME, &seln_type, &seln_format, &count, &overflow, &src) == Success) {
+            if (seln_type == XA_MIME) {
+                *length = (size_t)count;
+                data = CloneDataBuffer(src, count);
+            } else if (seln_type == videodata->atoms.INCR) {
+                while (1) {
+                    // Only delete the property after being done with the previous "chunk".
+                    X11_XDeleteProperty(display, owner, selection);
+                    X11_XFlush(display);
+
+                    if (WaitForSelection(_this, selection_type, &videodata->selection_incr_waiting) == false) {
+                        break;
+                    }
+
+                    X11_XFree(src);
+                    if (X11_XGetWindowProperty(display, owner, selection, 0, INT_MAX / 4, False,
+                                           XA_MIME, &seln_type, &seln_format, &count, &overflow, &src) != Success) {
+                        break;
+                    }
+
+                    if (count == 0) {
+                        incr_success = true;
+                        break;
+                    }
+
+                    if (*length == 0) {
+                        *length = (size_t)count;
+                        data = CloneDataBuffer(src, count);
+                    } else {
+                        data = AppendDataBuffer(data, *length, src, count);
+                        *length += (size_t)count;
+                    }
+
+                    if (data == NULL) {
+                        break;
+                    }
+                }
+
+                if (incr_success == false) {
+                    SDL_free(data);
+                    data = 0;
+                    *length = 0;
+                }
+            }
+            X11_XFree(src);
+        }
+    }
+    return data;
+}
+
+const char **X11_GetTextMimeTypes(SDL_VideoDevice *_this, size_t *num_mime_types)
+{
+    *num_mime_types = SDL_arraysize(text_mime_types);
+    return text_mime_types;
+}
+
+bool X11_SetClipboardData(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *videodata = _this->internal;
+    return SetSelectionData(_this, videodata->atoms.CLIPBOARD, _this->clipboard_callback, _this->clipboard_userdata, (const char **)_this->clipboard_mime_types, _this->num_clipboard_mime_types, _this->clipboard_sequence);
+}
+
+void *X11_GetClipboardData(SDL_VideoDevice *_this, const char *mime_type, size_t *length)
+{
+    SDL_VideoData *videodata = _this->internal;
+    return GetSelectionData(_this, videodata->atoms.CLIPBOARD, mime_type, length);
+}
+
+bool X11_HasClipboardData(SDL_VideoDevice *_this, const char *mime_type)
+{
+    size_t length;
+    void *data;
+    data = X11_GetClipboardData(_this, mime_type, &length);
+    if (data) {
+        SDL_free(data);
+    }
+    return length > 0;
+}
+
+bool X11_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text)
+{
+    return SetSelectionData(_this, XA_PRIMARY, SDL_ClipboardTextCallback, SDL_strdup(text), text_mime_types, SDL_arraysize(text_mime_types), 0);
+}
+
+char *X11_GetPrimarySelectionText(SDL_VideoDevice *_this)
+{
+    size_t length;
+    char *text = GetSelectionData(_this, XA_PRIMARY, text_mime_types[0], &length);
+    if (!text) {
+        text = SDL_strdup("");
+    }
+    return text;
+}
+
+bool X11_HasPrimarySelectionText(SDL_VideoDevice *_this)
+{
+    bool result = false;
+    char *text = X11_GetPrimarySelectionText(_this);
+    if (text) {
+        if (text[0] != '\0') {
+            result = true;
+        }
+        SDL_free(text);
+    }
+    return result;
+}
+
+void X11_QuitClipboard(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+    if (data->primary_selection.sequence == 0) {
+        SDL_free(data->primary_selection.userdata);
+    }
+    if (data->clipboard.sequence == 0) {
+        SDL_free(data->clipboard.userdata);
+    }
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11clipboard.h

@@ -0,0 +1,46 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11clipboard_h_
+#define SDL_x11clipboard_h_
+
+#include <X11/Xlib.h>
+
+typedef struct X11_ClipboardData {
+    SDL_ClipboardDataCallback callback;
+    void *userdata;
+    const char **mime_types;
+    size_t mime_count;
+    Uint32 sequence;
+} SDLX11_ClipboardData;
+
+extern const char **X11_GetTextMimeTypes(SDL_VideoDevice *_this, size_t *num_mime_types);
+extern bool X11_SetClipboardData(SDL_VideoDevice *_this);
+extern void *X11_GetClipboardData(SDL_VideoDevice *_this, const char *mime_type, size_t *length);
+extern bool X11_HasClipboardData(SDL_VideoDevice *_this, const char *mime_type);
+extern bool X11_SetPrimarySelectionText(SDL_VideoDevice *_this, const char *text);
+extern char *X11_GetPrimarySelectionText(SDL_VideoDevice *_this);
+extern bool X11_HasPrimarySelectionText(SDL_VideoDevice *_this);
+extern void X11_QuitClipboard(SDL_VideoDevice *_this);
+Window GetWindow(SDL_VideoDevice *_this);
+
+#endif // SDL_x11clipboard_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11dyn.c

@@ -0,0 +1,211 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#define DEBUG_DYNAMIC_X11 0
+
+#include "SDL_x11dyn.h"
+
+#if DEBUG_DYNAMIC_X11
+#include <stdio.h>
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
+
+typedef struct
+{
+    SDL_SharedObject *lib;
+    const char *libname;
+} x11dynlib;
+
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT NULL
+#endif
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR NULL
+#endif
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 NULL
+#endif
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES NULL
+#endif
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR NULL
+#endif
+#ifndef SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS
+#define SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS NULL
+#endif
+
+static x11dynlib x11libs[] = {
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC },
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XEXT },
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XCURSOR },
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XINPUT2 },
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XFIXES },
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XRANDR },
+    { NULL, SDL_VIDEO_DRIVER_X11_DYNAMIC_XSS }
+};
+
+static void *X11_GetSym(const char *fnname, int *pHasModule)
+{
+    int i;
+    void *fn = NULL;
+    for (i = 0; i < SDL_arraysize(x11libs); i++) {
+        if (x11libs[i].lib) {
+            fn = SDL_LoadFunction(x11libs[i].lib, fnname);
+            if (fn) {
+                break;
+            }
+        }
+    }
+
+#if DEBUG_DYNAMIC_X11
+    if (fn)
+        printf("X11: Found '%s' in %s (%p)\n", fnname, x11libs[i].libname, fn);
+    else
+        printf("X11: Symbol '%s' NOT FOUND!\n", fnname);
+#endif
+
+    if (!fn) {
+        *pHasModule = 0; // kill this module.
+    }
+
+    return fn;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11_DYNAMIC
+
+// Define all the function pointers and wrappers...
+#define SDL_X11_SYM(rc, fn, params, args, ret) SDL_DYNX11FN_##fn X11_##fn = NULL;
+#include "SDL_x11sym.h"
+
+// Annoying varargs entry point...
+#ifdef X_HAVE_UTF8_STRING
+SDL_DYNX11FN_XCreateIC X11_XCreateIC = NULL;
+SDL_DYNX11FN_XGetICValues X11_XGetICValues = NULL;
+SDL_DYNX11FN_XSetICValues X11_XSetICValues = NULL;
+SDL_DYNX11FN_XVaCreateNestedList X11_XVaCreateNestedList = NULL;
+#endif
+
+/* These SDL_X11_HAVE_* flags are here whether you have dynamic X11 or not. */
+#define SDL_X11_MODULE(modname) int SDL_X11_HAVE_##modname = 0;
+#include "SDL_x11sym.h"
+
+static int x11_load_refcount = 0;
+
+void SDL_X11_UnloadSymbols(void)
+{
+    // Don't actually unload if more than one module is using the libs...
+    if (x11_load_refcount > 0) {
+        if (--x11_load_refcount == 0) {
+#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
+            int i;
+#endif
+
+            // set all the function pointers to NULL.
+#define SDL_X11_MODULE(modname)                SDL_X11_HAVE_##modname = 0;
+#define SDL_X11_SYM(rc, fn, params, args, ret) X11_##fn = NULL;
+#include "SDL_x11sym.h"
+
+#ifdef X_HAVE_UTF8_STRING
+            X11_XCreateIC = NULL;
+            X11_XGetICValues = NULL;
+            X11_XSetICValues = NULL;
+            X11_XVaCreateNestedList = NULL;
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
+            for (i = 0; i < SDL_arraysize(x11libs); i++) {
+                if (x11libs[i].lib) {
+                    SDL_UnloadObject(x11libs[i].lib);
+                    x11libs[i].lib = NULL;
+                }
+            }
+#endif
+        }
+    }
+}
+
+// returns non-zero if all needed symbols were loaded.
+bool SDL_X11_LoadSymbols(void)
+{
+    bool result = true; // always succeed if not using Dynamic X11 stuff.
+
+    // deal with multiple modules (dga, x11, etc) needing these symbols...
+    if (x11_load_refcount++ == 0) {
+#ifdef SDL_VIDEO_DRIVER_X11_DYNAMIC
+        int i;
+        int *thismod = NULL;
+        for (i = 0; i < SDL_arraysize(x11libs); i++) {
+            if (x11libs[i].libname) {
+                x11libs[i].lib = SDL_LoadObject(x11libs[i].libname);
+            }
+        }
+
+#define SDL_X11_MODULE(modname) SDL_X11_HAVE_##modname = 1; // default yes
+#include "SDL_x11sym.h"
+
+#define SDL_X11_MODULE(modname)     thismod = &SDL_X11_HAVE_##modname;
+#define SDL_X11_SYM(a, fn, x, y, z) X11_##fn = (SDL_DYNX11FN_##fn)X11_GetSym(#fn, thismod);
+#include "SDL_x11sym.h"
+
+#ifdef X_HAVE_UTF8_STRING
+        X11_XCreateIC = (SDL_DYNX11FN_XCreateIC)
+            X11_GetSym("XCreateIC", &SDL_X11_HAVE_UTF8);
+        X11_XGetICValues = (SDL_DYNX11FN_XGetICValues)
+            X11_GetSym("XGetICValues", &SDL_X11_HAVE_UTF8);
+        X11_XSetICValues = (SDL_DYNX11FN_XSetICValues)
+            X11_GetSym("XSetICValues", &SDL_X11_HAVE_UTF8);
+        X11_XVaCreateNestedList = (SDL_DYNX11FN_XVaCreateNestedList)
+            X11_GetSym("XVaCreateNestedList", &SDL_X11_HAVE_UTF8);
+#endif
+
+        if (SDL_X11_HAVE_BASEXLIB) {
+            // all required symbols loaded.
+            SDL_ClearError();
+        } else {
+            // in case something got loaded...
+            SDL_X11_UnloadSymbols();
+            result = false;
+        }
+
+#else // no dynamic X11
+
+#define SDL_X11_MODULE(modname)     SDL_X11_HAVE_##modname = 1; // default yes
+#define SDL_X11_SYM(a, fn, x, y, z) X11_##fn = (SDL_DYNX11FN_##fn)fn;
+#include "SDL_x11sym.h"
+
+#ifdef X_HAVE_UTF8_STRING
+        X11_XCreateIC = XCreateIC;
+        X11_XGetICValues = XGetICValues;
+        X11_XSetICValues = XSetICValues;
+        X11_XVaCreateNestedList = XVaCreateNestedList;
+#endif
+#endif
+    }
+
+    return result;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11dyn.h

@@ -0,0 +1,113 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11dyn_h_
+#define SDL_x11dyn_h_
+
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <X11/Xatom.h>
+#include <X11/Xresource.h>
+
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+#include <X11/XKBlib.h>
+#endif
+
+// Apparently some X11 systems can't include this multiple times...
+#ifndef SDL_INCLUDED_XLIBINT_H
+#define SDL_INCLUDED_XLIBINT_H 1
+#include <X11/Xlibint.h>
+#endif
+
+#include <X11/Xproto.h>
+#include <X11/extensions/Xext.h>
+
+#ifndef NO_SHARED_MEMORY
+#include <sys/ipc.h>
+#include <sys/shm.h>
+#include <X11/extensions/XShm.h>
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_XCURSOR
+#include <X11/Xcursor/Xcursor.h>
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+#include <X11/extensions/Xdbe.h>
+#endif
+#if defined(SDL_VIDEO_DRIVER_X11_XINPUT2) || defined(SDL_VIDEO_DRIVER_X11_XFIXES)
+#include <X11/extensions/XInput2.h>
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+#include <X11/extensions/Xfixes.h>
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+#include <X11/extensions/sync.h>
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
+#include <X11/extensions/Xrandr.h>
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XSCRNSAVER
+#include <X11/extensions/scrnsaver.h>
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XSHAPE
+#include <X11/extensions/shape.h>
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// evil function signatures...
+typedef Bool (*SDL_X11_XESetWireToEventRetType)(Display *, XEvent *, xEvent *);
+typedef int (*SDL_X11_XSynchronizeRetType)(Display *);
+typedef Status (*SDL_X11_XESetEventToWireRetType)(Display *, XEvent *, xEvent *);
+
+extern bool SDL_X11_LoadSymbols(void);
+extern void SDL_X11_UnloadSymbols(void);
+
+// Declare all the function pointers and wrappers...
+#define SDL_X11_SYM(rc, fn, params, args, ret) \
+    typedef rc(*SDL_DYNX11FN_##fn) params;     \
+    extern SDL_DYNX11FN_##fn X11_##fn;
+#include "SDL_x11sym.h"
+
+// Annoying varargs entry point...
+#ifdef X_HAVE_UTF8_STRING
+typedef XIC (*SDL_DYNX11FN_XCreateIC)(XIM, ...);
+typedef char *(*SDL_DYNX11FN_XGetICValues)(XIC, ...);
+typedef char *(*SDL_DYNX11FN_XSetICValues)(XIC, ...);
+typedef XVaNestedList (*SDL_DYNX11FN_XVaCreateNestedList)(int, ...);
+extern SDL_DYNX11FN_XCreateIC X11_XCreateIC;
+extern SDL_DYNX11FN_XGetICValues X11_XGetICValues;
+extern SDL_DYNX11FN_XSetICValues X11_XSetICValues;
+extern SDL_DYNX11FN_XVaCreateNestedList X11_XVaCreateNestedList;
+#endif
+
+/* These SDL_X11_HAVE_* flags are here whether you have dynamic X11 or not. */
+#define SDL_X11_MODULE(modname) extern int SDL_X11_HAVE_##modname;
+#include "SDL_x11sym.h"
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // !defined SDL_x11dyn_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11events.h

@@ -0,0 +1,40 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11events_h_
+#define SDL_x11events_h_
+
+extern void X11_PumpEvents(SDL_VideoDevice *_this);
+extern int X11_WaitEventTimeout(SDL_VideoDevice *_this, Sint64 timeoutNS);
+extern void X11_SendWakeupEvent(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_SuspendScreenSaver(SDL_VideoDevice *_this);
+extern void X11_ReconcileKeyboardState(SDL_VideoDevice *_this);
+extern void X11_GetBorderValues(SDL_WindowData *data);
+extern Uint64 X11_GetEventTimestamp(unsigned long time);
+extern void X11_HandleKeyEvent(SDL_VideoDevice *_this, SDL_WindowData *windowdata, SDL_KeyboardID keyboardID, XEvent *xevent);
+extern void X11_HandleButtonPress(SDL_VideoDevice *_this, SDL_WindowData *windowdata, SDL_MouseID mouseID, int button, float x, float y, unsigned long time);
+extern void X11_HandleButtonRelease(SDL_VideoDevice *_this, SDL_WindowData *windowdata, SDL_MouseID mouseID, int button, unsigned long time);
+extern SDL_WindowData *X11_FindWindow(SDL_VideoDevice *_this, Window window);
+extern bool X11_ProcessHitTest(SDL_VideoDevice *_this, SDL_WindowData *data, const float x, const float y, bool force_new_result);
+extern bool X11_TriggerHitTestAction(SDL_VideoDevice *_this, SDL_WindowData *data, const float x, const float y);
+
+#endif // SDL_x11events_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11framebuffer.c

@@ -0,0 +1,261 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11video.h"
+#include "SDL_x11framebuffer.h"
+#include "SDL_x11xsync.h"
+
+#ifndef NO_SHARED_MEMORY
+
+// Shared memory error handler routine
+static int shm_error;
+static int (*X_handler)(Display *, XErrorEvent *) = NULL;
+static int shm_errhandler(Display *d, XErrorEvent *e)
+{
+    if (e->error_code == BadAccess) {
+        shm_error = True;
+        return 0;
+    }
+    return X_handler(d, e);
+}
+
+static bool have_mitshm(Display *dpy)
+{
+    // Only use shared memory on local X servers
+    return X11_XShmQueryExtension(dpy) ? SDL_X11_HAVE_SHM : false;
+}
+
+#endif // !NO_SHARED_MEMORY
+
+bool X11_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, SDL_PixelFormat *format,
+                                void **pixels, int *pitch)
+{
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+    XGCValues gcv;
+    XVisualInfo vinfo;
+    int w, h;
+
+    SDL_GetWindowSizeInPixels(window, &w, &h);
+
+    // Free the old framebuffer surface
+    X11_DestroyWindowFramebuffer(_this, window);
+
+    // Create the graphics context for drawing
+    gcv.graphics_exposures = False;
+    data->gc = X11_XCreateGC(display, data->xwindow, GCGraphicsExposures, &gcv);
+    if (!data->gc) {
+        return SDL_SetError("Couldn't create graphics context");
+    }
+
+    // Find out the pixel format and depth
+    if (!X11_GetVisualInfoFromVisual(display, data->visual, &vinfo)) {
+        return SDL_SetError("Couldn't get window visual information");
+    }
+
+    *format = X11_GetPixelFormatFromVisualInfo(display, &vinfo);
+    if (*format == SDL_PIXELFORMAT_UNKNOWN) {
+        return SDL_SetError("Unknown window pixel format");
+    }
+
+    // Calculate pitch
+    *pitch = (((w * SDL_BYTESPERPIXEL(*format)) + 3) & ~3);
+
+    // Create the actual image
+#ifndef NO_SHARED_MEMORY
+    if (have_mitshm(display)) {
+        XShmSegmentInfo *shminfo = &data->shminfo;
+
+        shminfo->shmid = shmget(IPC_PRIVATE, (size_t)h * (*pitch), IPC_CREAT | 0777);
+        if (shminfo->shmid >= 0) {
+            shminfo->shmaddr = (char *)shmat(shminfo->shmid, 0, 0);
+            shminfo->readOnly = False;
+            if (shminfo->shmaddr != (char *)-1) {
+                shm_error = False;
+                X_handler = X11_XSetErrorHandler(shm_errhandler);
+                X11_XShmAttach(display, shminfo);
+                X11_XSync(display, False);
+                X11_XSetErrorHandler(X_handler);
+                if (shm_error) {
+                    shmdt(shminfo->shmaddr);
+                }
+            } else {
+                shm_error = True;
+            }
+            shmctl(shminfo->shmid, IPC_RMID, NULL);
+        } else {
+            shm_error = True;
+        }
+        if (!shm_error) {
+            data->ximage = X11_XShmCreateImage(display, data->visual,
+                                               vinfo.depth, ZPixmap,
+                                               shminfo->shmaddr, shminfo,
+                                               w, h);
+            if (!data->ximage) {
+                X11_XShmDetach(display, shminfo);
+                X11_XSync(display, False);
+                shmdt(shminfo->shmaddr);
+            } else {
+                // Done!
+                data->ximage->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) ? MSBFirst : LSBFirst;
+                data->use_mitshm = true;
+                *pixels = shminfo->shmaddr;
+                return true;
+            }
+        }
+    }
+#endif // not NO_SHARED_MEMORY
+
+    *pixels = SDL_malloc((size_t)h * (*pitch));
+    if (!*pixels) {
+        return false;
+    }
+
+    data->ximage = X11_XCreateImage(display, data->visual,
+                                    vinfo.depth, ZPixmap, 0, (char *)(*pixels),
+                                    w, h, 32, 0);
+    if (!data->ximage) {
+        SDL_free(*pixels);
+        return SDL_SetError("Couldn't create XImage");
+    }
+    data->ximage->byte_order = (SDL_BYTEORDER == SDL_BIG_ENDIAN) ? MSBFirst : LSBFirst;
+    return true;
+}
+
+bool X11_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rects,
+                                int numrects)
+{
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+    int i;
+    int x, y, w, h;
+    int window_w, window_h;
+
+    SDL_GetWindowSizeInPixels(window, &window_w, &window_h);
+
+#ifndef NO_SHARED_MEMORY
+    if (data->use_mitshm) {
+        for (i = 0; i < numrects; ++i) {
+            x = rects[i].x;
+            y = rects[i].y;
+            w = rects[i].w;
+            h = rects[i].h;
+
+            if (w <= 0 || h <= 0 || (x + w) <= 0 || (y + h) <= 0) {
+                // Clipped?
+                continue;
+            }
+            if (x < 0) {
+                x += w;
+                w += rects[i].x;
+            }
+            if (y < 0) {
+                y += h;
+                h += rects[i].y;
+            }
+            if (x + w > window_w) {
+                w = window_w - x;
+            }
+            if (y + h > window_h) {
+                h = window_h - y;
+            }
+
+            X11_XShmPutImage(display, data->xwindow, data->gc, data->ximage,
+                             x, y, x, y, w, h, False);
+        }
+    } else
+#endif // !NO_SHARED_MEMORY
+    {
+        for (i = 0; i < numrects; ++i) {
+            x = rects[i].x;
+            y = rects[i].y;
+            w = rects[i].w;
+            h = rects[i].h;
+
+            if (w <= 0 || h <= 0 || (x + w) <= 0 || (y + h) <= 0) {
+                // Clipped?
+                continue;
+            }
+            if (x < 0) {
+                x += w;
+                w += rects[i].x;
+            }
+            if (y < 0) {
+                y += h;
+                h += rects[i].y;
+            }
+            if (x + w > window_w) {
+                w = window_w - x;
+            }
+            if (y + h > window_h) {
+                h = window_h - y;
+            }
+
+            X11_XPutImage(display, data->xwindow, data->gc, data->ximage,
+                          x, y, x, y, w, h);
+        }
+    }
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+    X11_HandlePresent(data->window);
+#endif /* SDL_VIDEO_DRIVER_X11_XSYNC */
+
+    X11_XSync(display, False);
+
+    return true;
+}
+
+void X11_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_WindowData *data = window->internal;
+    Display *display;
+
+    if (!data) {
+        // The window wasn't fully initialized
+        return;
+    }
+
+    display = data->videodata->display;
+
+    if (data->ximage) {
+        XDestroyImage(data->ximage);
+
+#ifndef NO_SHARED_MEMORY
+        if (data->use_mitshm) {
+            X11_XShmDetach(display, &data->shminfo);
+            X11_XSync(display, False);
+            shmdt(data->shminfo.shmaddr);
+            data->use_mitshm = false;
+        }
+#endif // !NO_SHARED_MEMORY
+
+        data->ximage = NULL;
+    }
+    if (data->gc) {
+        X11_XFreeGC(display, data->gc);
+        data->gc = NULL;
+    }
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11framebuffer.h

@@ -0,0 +1,34 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef SDL_x11framebuffer_h_
+#define SDL_x11framebuffer_h_
+
+#include "SDL_internal.h"
+
+extern bool X11_CreateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window,
+                                        SDL_PixelFormat *format,
+                                        void **pixels, int *pitch);
+extern bool X11_UpdateWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window,
+                                        const SDL_Rect *rects, int numrects);
+extern void X11_DestroyWindowFramebuffer(SDL_VideoDevice *_this, SDL_Window *window);
+
+#endif // SDL_x11framebuffer_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11keyboard.c

@@ -0,0 +1,789 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11video.h"
+
+#include "../../events/SDL_keyboard_c.h"
+#include "../../events/SDL_scancode_tables_c.h"
+
+#include <X11/keysym.h>
+#include <X11/XKBlib.h>
+
+#include "../../events/imKStoUCS.h"
+#include "../../events/SDL_keysym_to_scancode_c.h"
+#include "../../events/SDL_keysym_to_keycode_c.h"
+
+#ifdef X_HAVE_UTF8_STRING
+#include <locale.h>
+#endif
+
+static SDL_ScancodeTable scancode_set[] = {
+    SDL_SCANCODE_TABLE_DARWIN,
+    SDL_SCANCODE_TABLE_XFREE86_1,
+    SDL_SCANCODE_TABLE_XFREE86_2,
+    SDL_SCANCODE_TABLE_XVNC,
+};
+
+static bool X11_ScancodeIsRemappable(SDL_Scancode scancode)
+{
+    /*
+     * XKB remappings can assign different keysyms for these scancodes, but
+     * as these keys are in fixed positions, the scancodes themselves shouldn't
+     * be switched. Mark them as not being remappable.
+     */
+    switch (scancode) {
+    case SDL_SCANCODE_ESCAPE:
+    case SDL_SCANCODE_CAPSLOCK:
+    case SDL_SCANCODE_NUMLOCKCLEAR:
+    case SDL_SCANCODE_LSHIFT:
+    case SDL_SCANCODE_RSHIFT:
+    case SDL_SCANCODE_LCTRL:
+    case SDL_SCANCODE_RCTRL:
+    case SDL_SCANCODE_LALT:
+    case SDL_SCANCODE_RALT:
+    case SDL_SCANCODE_LGUI:
+    case SDL_SCANCODE_RGUI:
+        return false;
+    default:
+        return true;
+    }
+}
+
+// This function only correctly maps letters and numbers for keyboards in US QWERTY layout
+static SDL_Scancode X11_KeyCodeToSDLScancode(SDL_VideoDevice *_this, KeyCode keycode)
+{
+    const KeySym keysym = X11_KeyCodeToSym(_this, keycode, 0, 0);
+
+    if (keysym == NoSymbol) {
+        return SDL_SCANCODE_UNKNOWN;
+    }
+
+    return SDL_GetScancodeFromKeySym(keysym, keycode);
+}
+
+KeySym X11_KeyCodeToSym(SDL_VideoDevice *_this, KeyCode keycode, unsigned char group, unsigned int mod_mask)
+{
+    SDL_VideoData *data = _this->internal;
+    KeySym keysym;
+    unsigned int mods_ret[16];
+
+    SDL_zero(mods_ret);
+
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+    if (data->xkb.desc_ptr) {
+        int num_groups = XkbKeyNumGroups(data->xkb.desc_ptr, keycode);
+        unsigned char info = XkbKeyGroupInfo(data->xkb.desc_ptr, keycode);
+
+        if (num_groups && group >= num_groups) {
+
+            int action = XkbOutOfRangeGroupAction(info);
+
+            if (action == XkbRedirectIntoRange) {
+                group = XkbOutOfRangeGroupNumber(info);
+                if (group >= num_groups) {
+                    group = 0;
+                }
+            } else if (action == XkbClampIntoRange) {
+                group = num_groups - 1;
+            } else {
+                group %= num_groups;
+            }
+        }
+
+        if (X11_XkbLookupKeySym(data->display, keycode, XkbBuildCoreState(mod_mask, group), mods_ret, &keysym) == NoSymbol) {
+            keysym = NoSymbol;
+        }
+    } else
+#endif
+    {
+        // TODO: Handle groups and modifiers on the legacy path.
+        keysym = X11_XKeycodeToKeysym(data->display, keycode, 0);
+    }
+
+    return keysym;
+}
+
+bool X11_InitKeyboard(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+    int i = 0;
+    int j = 0;
+    int min_keycode, max_keycode;
+    struct
+    {
+        SDL_Scancode scancode;
+        KeySym keysym;
+        int value;
+    } fingerprint[] = {
+        { SDL_SCANCODE_HOME, XK_Home, 0 },
+        { SDL_SCANCODE_PAGEUP, XK_Prior, 0 },
+        { SDL_SCANCODE_UP, XK_Up, 0 },
+        { SDL_SCANCODE_LEFT, XK_Left, 0 },
+        { SDL_SCANCODE_DELETE, XK_Delete, 0 },
+        { SDL_SCANCODE_KP_ENTER, XK_KP_Enter, 0 },
+    };
+    int best_distance;
+    int best_index;
+    int distance;
+    Bool xkb_repeat = 0;
+
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+    {
+        int xkb_major = XkbMajorVersion;
+        int xkb_minor = XkbMinorVersion;
+
+        if (X11_XkbQueryExtension(data->display, NULL, &data->xkb.event, NULL, &xkb_major, &xkb_minor)) {
+            data->xkb.desc_ptr = X11_XkbGetMap(data->display, XkbAllClientInfoMask, XkbUseCoreKbd);
+        }
+
+        // This will remove KeyRelease events for held keys
+        X11_XkbSetDetectableAutoRepeat(data->display, True, &xkb_repeat);
+    }
+#endif
+
+    // Open a connection to the X input manager
+#ifdef X_HAVE_UTF8_STRING
+    if (SDL_X11_HAVE_UTF8) {
+        /* Set the locale, and call XSetLocaleModifiers before XOpenIM so that
+           Compose keys will work correctly. */
+        char *prev_locale = setlocale(LC_ALL, NULL);
+        char *prev_xmods = X11_XSetLocaleModifiers(NULL);
+
+        if (prev_locale) {
+            prev_locale = SDL_strdup(prev_locale);
+        }
+
+        if (prev_xmods) {
+            prev_xmods = SDL_strdup(prev_xmods);
+        }
+
+        (void)setlocale(LC_ALL, "");
+        X11_XSetLocaleModifiers("");
+
+        data->im = X11_XOpenIM(data->display, NULL, NULL, NULL);
+
+        /* Reset the locale + X locale modifiers back to how they were,
+           locale first because the X locale modifiers depend on it. */
+        (void)setlocale(LC_ALL, prev_locale);
+        X11_XSetLocaleModifiers(prev_xmods);
+
+        if (prev_locale) {
+            SDL_free(prev_locale);
+        }
+
+        if (prev_xmods) {
+            SDL_free(prev_xmods);
+        }
+    }
+#endif
+    // Try to determine which scancodes are being used based on fingerprint
+    best_distance = SDL_arraysize(fingerprint) + 1;
+    best_index = -1;
+    X11_XDisplayKeycodes(data->display, &min_keycode, &max_keycode);
+    for (i = 0; i < SDL_arraysize(fingerprint); ++i) {
+        fingerprint[i].value = X11_XKeysymToKeycode(data->display, fingerprint[i].keysym) - min_keycode;
+    }
+    for (i = 0; i < SDL_arraysize(scancode_set); ++i) {
+        int table_size;
+        const SDL_Scancode *table = SDL_GetScancodeTable(scancode_set[i], &table_size);
+
+        distance = 0;
+        for (j = 0; j < SDL_arraysize(fingerprint); ++j) {
+            if (fingerprint[j].value < 0 || fingerprint[j].value >= table_size) {
+                distance += 1;
+            } else if (table[fingerprint[j].value] != fingerprint[j].scancode) {
+                distance += 1;
+            }
+        }
+        if (distance < best_distance) {
+            best_distance = distance;
+            best_index = i;
+        }
+    }
+    if (best_index < 0 || best_distance > 2) {
+        // This is likely to be SDL_SCANCODE_TABLE_XFREE86_2 with remapped keys, double check a rarely remapped value
+        int fingerprint_value = X11_XKeysymToKeycode(data->display, 0x1008FF5B /* XF86Documents */) - min_keycode;
+        if (fingerprint_value == 235) {
+            for (i = 0; i < SDL_arraysize(scancode_set); ++i) {
+                if (scancode_set[i] == SDL_SCANCODE_TABLE_XFREE86_2) {
+                    best_index = i;
+                    best_distance = 0;
+                    break;
+                }
+            }
+        }
+    }
+    if (best_index >= 0 && best_distance <= 2) {
+        int table_size;
+        const SDL_Scancode *table = SDL_GetScancodeTable(scancode_set[best_index], &table_size);
+
+#ifdef DEBUG_KEYBOARD
+        SDL_Log("Using scancode set %d, min_keycode = %d, max_keycode = %d, table_size = %d", best_index, min_keycode, max_keycode, table_size);
+#endif
+        // This should never happen, but just in case...
+        if (table_size > (SDL_arraysize(data->key_layout) - min_keycode)) {
+            table_size = (SDL_arraysize(data->key_layout) - min_keycode);
+        }
+        SDL_memcpy(&data->key_layout[min_keycode], table, sizeof(SDL_Scancode) * table_size);
+
+        /* Scancodes represent physical locations on the keyboard, unaffected by keyboard mapping.
+           However, there are a number of extended scancodes that have no standard location, so use
+           the X11 mapping for all non-character keys.
+         */
+        for (i = min_keycode; i <= max_keycode; ++i) {
+            SDL_Scancode scancode = X11_KeyCodeToSDLScancode(_this, i);
+#ifdef DEBUG_KEYBOARD
+            {
+                KeySym sym;
+                sym = X11_KeyCodeToSym(_this, (KeyCode)i, 0);
+                SDL_Log("code = %d, sym = 0x%X (%s) ", i - min_keycode,
+                        (unsigned int)sym, sym == NoSymbol ? "NoSymbol" : X11_XKeysymToString(sym));
+            }
+#endif
+            if (scancode == data->key_layout[i]) {
+                continue;
+            }
+            if ((SDL_GetKeymapKeycode(NULL, scancode, SDL_KMOD_NONE) & (SDLK_SCANCODE_MASK | SDLK_EXTENDED_MASK)) && X11_ScancodeIsRemappable(scancode)) {
+                // Not a character key and the scancode is safe to remap
+#ifdef DEBUG_KEYBOARD
+                SDL_Log("Changing scancode, was %d (%s), now %d (%s)", data->key_layout[i], SDL_GetScancodeName(data->key_layout[i]), scancode, SDL_GetScancodeName(scancode));
+#endif
+                data->key_layout[i] = scancode;
+            }
+        }
+    } else {
+#ifdef DEBUG_SCANCODES
+        SDL_Log("Keyboard layout unknown, please report the following to the SDL forums/mailing list (https://discourse.libsdl.org/):");
+#endif
+
+        // Determine key_layout - only works on US QWERTY layout
+        for (i = min_keycode; i <= max_keycode; ++i) {
+            SDL_Scancode scancode = X11_KeyCodeToSDLScancode(_this, i);
+#ifdef DEBUG_SCANCODES
+            {
+                KeySym sym;
+                sym = X11_KeyCodeToSym(_this, (KeyCode)i, 0);
+                SDL_Log("code = %d, sym = 0x%X (%s) ", i - min_keycode,
+                        (unsigned int)sym, sym == NoSymbol ? "NoSymbol" : X11_XKeysymToString(sym));
+            }
+            if (scancode == SDL_SCANCODE_UNKNOWN) {
+                SDL_Log("scancode not found");
+            } else {
+                SDL_Log("scancode = %d (%s)", scancode, SDL_GetScancodeName(scancode));
+            }
+#endif
+            data->key_layout[i] = scancode;
+        }
+    }
+
+    X11_UpdateKeymap(_this, false);
+
+    SDL_SetScancodeName(SDL_SCANCODE_APPLICATION, "Menu");
+
+    X11_ReconcileKeyboardState(_this);
+
+    return true;
+}
+
+static unsigned X11_GetNumLockModifierMask(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *videodata = _this->internal;
+    Display *display = videodata->display;
+    unsigned num_mask = 0;
+    int i, j;
+    XModifierKeymap *xmods;
+    unsigned n;
+
+    xmods = X11_XGetModifierMapping(display);
+    n = xmods->max_keypermod;
+    for (i = 3; i < 8; i++) {
+        for (j = 0; j < n; j++) {
+            KeyCode kc = xmods->modifiermap[i * n + j];
+            if (videodata->key_layout[kc] == SDL_SCANCODE_NUMLOCKCLEAR) {
+                num_mask = 1 << i;
+                break;
+            }
+        }
+    }
+    X11_XFreeModifiermap(xmods);
+
+    return num_mask;
+}
+
+static unsigned X11_GetScrollLockModifierMask(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *videodata = _this->internal;
+    Display *display = videodata->display;
+    unsigned num_mask = 0;
+    int i, j;
+    XModifierKeymap *xmods;
+    unsigned n;
+
+    xmods = X11_XGetModifierMapping(display);
+    n = xmods->max_keypermod;
+    for (i = 3; i < 8; i++) {
+        for (j = 0; j < n; j++) {
+            KeyCode kc = xmods->modifiermap[i * n + j];
+            if (videodata->key_layout[kc] == SDL_SCANCODE_SCROLLLOCK) {
+                num_mask = 1 << i;
+                break;
+            }
+        }
+    }
+    X11_XFreeModifiermap(xmods);
+
+    return num_mask;
+}
+
+void X11_UpdateKeymap(SDL_VideoDevice *_this, bool send_event)
+{
+    struct Keymod_masks
+    {
+        SDL_Keymod sdl_mask;
+        unsigned int xkb_mask;
+    } const keymod_masks[] = {
+        { SDL_KMOD_NONE, 0 },
+        { SDL_KMOD_SHIFT, ShiftMask },
+        { SDL_KMOD_CAPS, LockMask },
+        { SDL_KMOD_SHIFT | SDL_KMOD_CAPS, ShiftMask | LockMask },
+        { SDL_KMOD_MODE, Mod5Mask },
+        { SDL_KMOD_MODE | SDL_KMOD_SHIFT, Mod5Mask | ShiftMask },
+        { SDL_KMOD_MODE | SDL_KMOD_CAPS, Mod5Mask | LockMask },
+        { SDL_KMOD_MODE | SDL_KMOD_SHIFT | SDL_KMOD_CAPS, Mod5Mask | ShiftMask | LockMask },
+        { SDL_KMOD_LEVEL5, Mod3Mask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_SHIFT, Mod3Mask | ShiftMask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_CAPS, Mod3Mask | LockMask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_SHIFT | SDL_KMOD_CAPS, Mod3Mask | ShiftMask | LockMask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_MODE, Mod5Mask | Mod3Mask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_MODE | SDL_KMOD_SHIFT, Mod3Mask | Mod5Mask | ShiftMask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_MODE | SDL_KMOD_CAPS, Mod3Mask | Mod5Mask | LockMask },
+        { SDL_KMOD_LEVEL5 | SDL_KMOD_MODE | SDL_KMOD_SHIFT | SDL_KMOD_CAPS, Mod3Mask | Mod5Mask | ShiftMask | LockMask }
+    };
+
+    SDL_VideoData *data = _this->internal;
+    SDL_Scancode scancode;
+    SDL_Keymap *keymap = SDL_CreateKeymap();
+
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+    if (data->xkb.desc_ptr) {
+        XkbStateRec state;
+        X11_XkbGetUpdatedMap(data->display, XkbAllClientInfoMask, data->xkb.desc_ptr);
+
+        if (X11_XkbGetState(data->display, XkbUseCoreKbd, &state) == Success) {
+            data->xkb.current_group = state.group;
+        }
+    }
+#endif
+
+    for (int m = 0; m < SDL_arraysize(keymod_masks); ++m) {
+        for (int i = 0; i < SDL_arraysize(data->key_layout); ++i) {
+            // Make sure this is a valid scancode
+            scancode = data->key_layout[i];
+            if (scancode == SDL_SCANCODE_UNKNOWN) {
+                continue;
+            }
+
+            const KeySym keysym = X11_KeyCodeToSym(_this, i, data->xkb.current_group, keymod_masks[m].xkb_mask);
+
+            if (keysym != NoSymbol) {
+                SDL_Keycode keycode = SDL_GetKeyCodeFromKeySym(keysym, i, keymod_masks[m].sdl_mask);
+
+                if (!keycode) {
+                    switch (scancode) {
+                    case SDL_SCANCODE_RETURN:
+                        keycode = SDLK_RETURN;
+                        break;
+                    case SDL_SCANCODE_ESCAPE:
+                        keycode = SDLK_ESCAPE;
+                        break;
+                    case SDL_SCANCODE_BACKSPACE:
+                        keycode = SDLK_BACKSPACE;
+                        break;
+                    case SDL_SCANCODE_DELETE:
+                        keycode = SDLK_DELETE;
+                        break;
+                    default:
+                        keycode = SDL_SCANCODE_TO_KEYCODE(scancode);
+                        break;
+                    }
+                }
+
+                SDL_SetKeymapEntry(keymap, scancode, keymod_masks[m].sdl_mask, keycode);
+            }
+        }
+    }
+
+    data->xkb.numlock_mask = X11_GetNumLockModifierMask(_this);
+    data->xkb.scrolllock_mask = X11_GetScrollLockModifierMask(_this);
+    SDL_SetKeymap(keymap, send_event);
+}
+
+void X11_QuitKeyboard(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+    if (data->xkb.desc_ptr) {
+        X11_XkbFreeKeyboard(data->xkb.desc_ptr, 0, True);
+        data->xkb.desc_ptr = NULL;
+    }
+#endif
+}
+
+void X11_ClearComposition(SDL_WindowData *data)
+{
+    if (data->preedit_length > 0) {
+        data->preedit_text[0] = '\0';
+        data->preedit_length = 0;
+    }
+
+    if (data->ime_needs_clear_composition) {
+        SDL_SendEditingText("", 0, 0);
+        data->ime_needs_clear_composition = false;
+    }
+}
+
+static void X11_SendEditingEvent(SDL_WindowData *data)
+{
+    if (data->preedit_length == 0) {
+        X11_ClearComposition(data);
+        return;
+    }
+
+    bool in_highlight = false;
+    int start = -1, length = 0, i;
+    for (i = 0; i < data->preedit_length; ++i) {
+        if (data->preedit_feedback[i] & (XIMReverse | XIMHighlight)) {
+            if (start < 0) {
+                start = i;
+                in_highlight = true;
+            }
+        } else if (in_highlight) {
+            // Found the end of the highlight
+            break;
+        }
+    }
+    if (in_highlight) {
+        length = (i - start);
+    } else {
+        start = SDL_clamp(data->preedit_cursor, 0, data->preedit_length);
+    }
+    SDL_SendEditingText(data->preedit_text, start, length);
+
+    data->ime_needs_clear_composition = true;
+}
+
+static int preedit_start_callback(XIC xic, XPointer client_data, XPointer call_data)
+{
+    // No limit on preedit text length
+    return -1;
+}
+
+static void preedit_done_callback(XIC xic, XPointer client_data, XPointer call_data)
+{
+}
+
+static void preedit_draw_callback(XIC xic, XPointer client_data, XIMPreeditDrawCallbackStruct *call_data)
+{
+    SDL_WindowData *data = (SDL_WindowData *)client_data;
+    int chg_first = SDL_clamp(call_data->chg_first, 0, data->preedit_length);
+    int chg_length = SDL_clamp(call_data->chg_length, 0, data->preedit_length - chg_first);
+
+    const char *start = data->preedit_text;
+    if (chg_length > 0) {
+        // Delete text in range
+        for (int i = 0; start && *start && i < chg_first; ++i) {
+            SDL_StepUTF8(&start, NULL);
+        }
+
+        const char *end = start;
+        for (int i = 0; end && *end && i < chg_length; ++i) {
+            SDL_StepUTF8(&end, NULL);
+        }
+
+        if (end > start) {
+            SDL_memmove((char *)start, end, SDL_strlen(end) + 1);
+            if ((chg_first + chg_length) > data->preedit_length) {
+                SDL_memmove(&data->preedit_feedback[chg_first], &data->preedit_feedback[chg_first + chg_length], (data->preedit_length - chg_first - chg_length) * sizeof(*data->preedit_feedback));
+            }
+        }
+        data->preedit_length -= chg_length;
+    }
+
+    XIMText *text = call_data->text;
+    if (text) {
+        // Insert text in range
+        SDL_assert(!text->encoding_is_wchar);
+
+        // The text length isn't calculated as directed by the spec, recalculate it now
+        if (text->string.multi_byte) {
+            text->length = SDL_utf8strlen(text->string.multi_byte);
+        }
+
+        size_t string_size = SDL_strlen(text->string.multi_byte);
+        size_t size = string_size + 1;
+        if (data->preedit_text) {
+            size += SDL_strlen(data->preedit_text);
+        }
+        char *preedit_text = (char *)SDL_malloc(size * sizeof(*preedit_text));
+        if (preedit_text) {
+            size_t pre_size = (start - data->preedit_text);
+            size_t post_size = start ? SDL_strlen(start) : 0;
+            if (pre_size > 0) {
+                SDL_memcpy(&preedit_text[0], data->preedit_text, pre_size);
+            }
+            SDL_memcpy(&preedit_text[pre_size], text->string.multi_byte, string_size);
+            if (post_size > 0) {
+                SDL_memcpy(&preedit_text[pre_size + string_size], start, post_size);
+            }
+            preedit_text[size - 1] = '\0';
+        }
+
+        size_t feedback_size = data->preedit_length + text->length;
+        XIMFeedback *feedback = (XIMFeedback *)SDL_malloc(feedback_size * sizeof(*feedback));
+        if (feedback) {
+            size_t pre_size = (size_t)chg_first;
+            size_t post_size = (size_t)data->preedit_length - pre_size;
+            if (pre_size > 0) {
+                SDL_memcpy(&feedback[0], data->preedit_feedback, pre_size * sizeof(*feedback));
+            }
+            SDL_memcpy(&feedback[pre_size], text->feedback, text->length * sizeof(*feedback));
+            if (post_size > 0) {
+                SDL_memcpy(&feedback[pre_size + text->length], &data->preedit_feedback[pre_size], post_size * sizeof(*feedback));
+            }
+        }
+
+        if (preedit_text && feedback) {
+            SDL_free(data->preedit_text);
+            data->preedit_text = preedit_text;
+
+            SDL_free(data->preedit_feedback);
+            data->preedit_feedback = feedback;
+
+            data->preedit_length += text->length;
+        } else {
+            SDL_free(preedit_text);
+            SDL_free(feedback);
+        }
+    }
+
+    data->preedit_cursor = call_data->caret;
+
+#ifdef DEBUG_XIM
+    if (call_data->chg_length > 0) {
+        SDL_Log("Draw callback deleted %d characters at %d", call_data->chg_length, call_data->chg_first);
+    }
+    if (text) {
+        SDL_Log("Draw callback inserted %s at %d, caret: %d", text->string.multi_byte, call_data->chg_first, call_data->caret);
+    }
+    SDL_Log("Pre-edit text: %s", data->preedit_text);
+#endif
+
+    X11_SendEditingEvent(data);
+}
+
+static void preedit_caret_callback(XIC xic, XPointer client_data, XIMPreeditCaretCallbackStruct *call_data)
+{
+    SDL_WindowData *data = (SDL_WindowData *)client_data;
+
+    switch (call_data->direction) {
+    case XIMAbsolutePosition:
+        if (call_data->position != data->preedit_cursor) {
+            data->preedit_cursor = call_data->position;
+            X11_SendEditingEvent(data);
+        }
+        break;
+    case XIMDontChange:
+        break;
+    default:
+        // Not currently supported
+        break;
+    }
+}
+
+void X11_CreateInputContext(SDL_WindowData *data)
+{
+#ifdef X_HAVE_UTF8_STRING
+    SDL_VideoData *videodata = data->videodata;
+
+    if (SDL_X11_HAVE_UTF8 && videodata->im) {
+        const char *hint = SDL_GetHint(SDL_HINT_IME_IMPLEMENTED_UI);
+        if (hint && SDL_strstr(hint, "composition")) {
+            XIMCallback draw_callback;
+            draw_callback.client_data = (XPointer)data;
+            draw_callback.callback = (XIMProc)preedit_draw_callback;
+
+            XIMCallback start_callback;
+            start_callback.client_data = (XPointer)data;
+            start_callback.callback = (XIMProc)preedit_start_callback;
+
+            XIMCallback done_callback;
+            done_callback.client_data = (XPointer)data;
+            done_callback.callback = (XIMProc)preedit_done_callback;
+
+            XIMCallback caret_callback;
+            caret_callback.client_data = (XPointer)data;
+            caret_callback.callback = (XIMProc)preedit_caret_callback;
+
+            XVaNestedList attr = X11_XVaCreateNestedList(0,
+                                                         XNPreeditStartCallback, &start_callback,
+                                                         XNPreeditDoneCallback, &done_callback,
+                                                         XNPreeditDrawCallback, &draw_callback,
+                                                         XNPreeditCaretCallback, &caret_callback,
+                                                         NULL);
+            if (attr) {
+                data->ic = X11_XCreateIC(videodata->im,
+                                         XNInputStyle, XIMPreeditCallbacks | XIMStatusCallbacks,
+                                         XNPreeditAttributes, attr,
+                                         XNClientWindow, data->xwindow,
+                                         NULL);
+                X11_XFree(attr);
+            }
+        }
+        if (!data->ic) {
+            data->ic = X11_XCreateIC(videodata->im,
+                                     XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
+                                     XNClientWindow, data->xwindow,
+                                     NULL);
+        }
+        data->xim_spot.x = -1;
+        data->xim_spot.y = -1;
+    }
+#endif // X_HAVE_UTF8_STRING
+}
+
+static void X11_ResetXIM(SDL_VideoDevice *_this, SDL_Window *window)
+{
+#ifdef X_HAVE_UTF8_STRING
+    SDL_WindowData *data = window->internal;
+
+    if (data && data->ic) {
+        // Clear any partially entered dead keys
+        char *contents = X11_Xutf8ResetIC(data->ic);
+        if (contents) {
+            X11_XFree(contents);
+        }
+    }
+#endif // X_HAVE_UTF8_STRING
+}
+
+bool X11_StartTextInput(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props)
+{
+    X11_ResetXIM(_this, window);
+
+    return X11_UpdateTextInputArea(_this, window);
+}
+
+bool X11_StopTextInput(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    X11_ResetXIM(_this, window);
+    return true;
+}
+
+bool X11_UpdateTextInputArea(SDL_VideoDevice *_this, SDL_Window *window)
+{
+#ifdef X_HAVE_UTF8_STRING
+    SDL_WindowData *data = window->internal;
+
+    if (data && data->ic) {
+        XPoint spot;
+        spot.x = window->text_input_rect.x + window->text_input_cursor;
+        spot.y = window->text_input_rect.y + window->text_input_rect.h;
+        if (spot.x != data->xim_spot.x || spot.y != data->xim_spot.y) {
+            XVaNestedList attr = X11_XVaCreateNestedList(0, XNSpotLocation, &spot, NULL);
+            if (attr) {
+                X11_XSetICValues(data->ic, XNPreeditAttributes, attr, NULL);
+                X11_XFree(attr);
+            }
+            SDL_copyp(&data->xim_spot, &spot);
+        }
+    }
+#endif
+    return true;
+}
+
+bool X11_HasScreenKeyboardSupport(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *videodata = _this->internal;
+    return videodata->is_steam_deck;
+}
+
+void X11_ShowScreenKeyboard(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props)
+{
+    SDL_VideoData *videodata = _this->internal;
+
+    if (videodata->is_steam_deck) {
+        /* For more documentation of the URL parameters, see:
+         * https://partner.steamgames.com/doc/api/ISteamUtils#ShowFloatingGamepadTextInput
+         */
+        const int k_EFloatingGamepadTextInputModeModeSingleLine = 0;    // Enter dismisses the keyboard
+        const int k_EFloatingGamepadTextInputModeModeMultipleLines = 1; // User needs to explicitly dismiss the keyboard
+        const int k_EFloatingGamepadTextInputModeModeEmail = 2;         // Keyboard is displayed in a special mode that makes it easier to enter emails
+        const int k_EFloatingGamepadTextInputModeModeNumeric = 3;       // Numeric keypad is shown
+        char deeplink[128];
+        int mode;
+
+        switch (SDL_GetTextInputType(props)) {
+        case SDL_TEXTINPUT_TYPE_TEXT_EMAIL:
+            mode = k_EFloatingGamepadTextInputModeModeEmail;
+            break;
+        case SDL_TEXTINPUT_TYPE_NUMBER:
+        case SDL_TEXTINPUT_TYPE_NUMBER_PASSWORD_HIDDEN:
+        case SDL_TEXTINPUT_TYPE_NUMBER_PASSWORD_VISIBLE:
+            mode = k_EFloatingGamepadTextInputModeModeNumeric;
+            break;
+        default:
+            if (SDL_GetTextInputMultiline(props)) {
+                mode = k_EFloatingGamepadTextInputModeModeMultipleLines;
+            } else {
+                mode = k_EFloatingGamepadTextInputModeModeSingleLine;
+            }
+            break;
+        }
+        (void)SDL_snprintf(deeplink, sizeof(deeplink),
+                           "steam://open/keyboard?XPosition=0&YPosition=0&Width=0&Height=0&Mode=%d",
+                           mode);
+        SDL_OpenURL(deeplink);
+        videodata->steam_keyboard_open = true;
+    }
+}
+
+void X11_HideScreenKeyboard(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_VideoData *videodata = _this->internal;
+
+    if (videodata->is_steam_deck) {
+        SDL_OpenURL("steam://close/keyboard");
+        videodata->steam_keyboard_open = false;
+    }
+}
+
+bool X11_IsScreenKeyboardShown(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_VideoData *videodata = _this->internal;
+
+    return videodata->steam_keyboard_open;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11keyboard.h

@@ -0,0 +1,40 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11keyboard_h_
+#define SDL_x11keyboard_h_
+
+extern bool X11_InitKeyboard(SDL_VideoDevice *_this);
+extern void X11_UpdateKeymap(SDL_VideoDevice *_this, bool send_event);
+extern void X11_QuitKeyboard(SDL_VideoDevice *_this);
+extern void X11_CreateInputContext(SDL_WindowData *data);
+extern void X11_ClearComposition(SDL_WindowData *data);
+extern bool X11_StartTextInput(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props);
+extern bool X11_StopTextInput(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_UpdateTextInputArea(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_HasScreenKeyboardSupport(SDL_VideoDevice *_this);
+extern void X11_ShowScreenKeyboard(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID props);
+extern void X11_HideScreenKeyboard(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_IsScreenKeyboardShown(SDL_VideoDevice *_this, SDL_Window *window);
+extern KeySym X11_KeyCodeToSym(SDL_VideoDevice *_this, KeyCode, unsigned char group, unsigned int mod_mask);
+
+#endif // SDL_x11keyboard_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11messagebox.c

@@ -0,0 +1,887 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11video.h"
+#include "SDL_x11dyn.h"
+#include "SDL_x11messagebox.h"
+
+#include <X11/keysym.h>
+#include <locale.h>
+
+#define SDL_FORK_MESSAGEBOX 1
+#define SDL_SET_LOCALE      1
+
+#if SDL_FORK_MESSAGEBOX
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <errno.h>
+#endif
+
+#define MAX_BUTTONS       8   // Maximum number of buttons supported
+#define MIN_BUTTON_WIDTH  64  // Minimum button width
+#define MIN_DIALOG_WIDTH  200 // Minimum dialog width
+#define MIN_DIALOG_HEIGHT 100 // Minimum dialog height
+
+static const char g_MessageBoxFontLatin1[] =
+    "-*-*-medium-r-normal--0-120-*-*-p-0-iso8859-1";
+
+static const char* g_MessageBoxFont[] = {
+    "-*-*-medium-r-normal--*-120-*-*-*-*-iso10646-1",  // explicitly unicode (iso10646-1)
+    "-*-*-medium-r-*--*-120-*-*-*-*-iso10646-1",  // explicitly unicode (iso10646-1)
+    "-misc-*-*-*-*--*-*-*-*-*-*-iso10646-1",  // misc unicode (fix for some systems)
+    "-*-*-*-*-*--*-*-*-*-*-*-iso10646-1",  // just give me anything Unicode.
+    "-*-*-medium-r-normal--*-120-*-*-*-*-iso8859-1",  // explicitly latin1, in case low-ASCII works out.
+    "-*-*-medium-r-*--*-120-*-*-*-*-iso8859-1",  // explicitly latin1, in case low-ASCII works out.
+    "-misc-*-*-*-*--*-*-*-*-*-*-iso8859-1",  // misc latin1 (fix for some systems)
+    "-*-*-*-*-*--*-*-*-*-*-*-iso8859-1",  // just give me anything latin1.
+    NULL
+};
+
+static const SDL_MessageBoxColor g_default_colors[SDL_MESSAGEBOX_COLOR_COUNT] = {
+    { 56, 54, 53 },    // SDL_MESSAGEBOX_COLOR_BACKGROUND,
+    { 209, 207, 205 }, // SDL_MESSAGEBOX_COLOR_TEXT,
+    { 140, 135, 129 }, // SDL_MESSAGEBOX_COLOR_BUTTON_BORDER,
+    { 105, 102, 99 },  // SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND,
+    { 205, 202, 53 },  // SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED,
+};
+
+#define SDL_MAKE_RGB(_r, _g, _b) (((Uint32)(_r) << 16) | \
+                                  ((Uint32)(_g) << 8) |  \
+                                  ((Uint32)(_b)))
+
+typedef struct SDL_MessageBoxButtonDataX11
+{
+    int x, y;       // Text position
+    int length;     // Text length
+    int text_width; // Text width
+
+    SDL_Rect rect; // Rectangle for entire button
+
+    const SDL_MessageBoxButtonData *buttondata; // Button data from caller
+} SDL_MessageBoxButtonDataX11;
+
+typedef struct TextLineData
+{
+    int width;        // Width of this text line
+    int length;       // String length of this text line
+    const char *text; // Text for this line
+} TextLineData;
+
+typedef struct SDL_MessageBoxDataX11
+{
+    Display *display;
+    int screen;
+    Window window;
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+    XdbeBackBuffer buf;
+    bool xdbe; // Whether Xdbe is present or not
+#endif
+    long event_mask;
+    Atom wm_protocols;
+    Atom wm_delete_message;
+
+    int dialog_width;  // Dialog box width.
+    int dialog_height; // Dialog box height.
+
+    XFontSet font_set;        // for UTF-8 systems
+    XFontStruct *font_struct; // Latin1 (ASCII) fallback.
+    int xtext, ytext;         // Text position to start drawing at.
+    int numlines;             // Count of Text lines.
+    int text_height;          // Height for text lines.
+    TextLineData *linedata;
+
+    int *pbuttonid; // Pointer to user return buttonID value.
+
+    int button_press_index; // Index into buttondata/buttonpos for button which is pressed (or -1).
+    int mouse_over_index;   // Index into buttondata/buttonpos for button mouse is over (or -1).
+
+    int numbuttons; // Count of buttons.
+    const SDL_MessageBoxButtonData *buttondata;
+    SDL_MessageBoxButtonDataX11 buttonpos[MAX_BUTTONS];
+
+    Uint32 color[SDL_MESSAGEBOX_COLOR_COUNT];
+
+    const SDL_MessageBoxData *messageboxdata;
+} SDL_MessageBoxDataX11;
+
+// Maximum helper for ints.
+static SDL_INLINE int IntMax(int a, int b)
+{
+    return (a > b) ? a : b;
+}
+
+// Return width and height for a string.
+static void GetTextWidthHeight(SDL_MessageBoxDataX11 *data, const char *str, int nbytes, int *pwidth, int *pheight)
+{
+#ifdef X_HAVE_UTF8_STRING
+    if (SDL_X11_HAVE_UTF8) {
+        XRectangle overall_ink, overall_logical;
+        X11_Xutf8TextExtents(data->font_set, str, nbytes, &overall_ink, &overall_logical);
+        *pwidth = overall_logical.width;
+        *pheight = overall_logical.height;
+    } else
+#endif
+    {
+        XCharStruct text_structure;
+        int font_direction, font_ascent, font_descent;
+        X11_XTextExtents(data->font_struct, str, nbytes,
+                         &font_direction, &font_ascent, &font_descent,
+                         &text_structure);
+        *pwidth = text_structure.width;
+        *pheight = text_structure.ascent + text_structure.descent;
+    }
+}
+
+// Return index of button if position x,y is contained therein.
+static int GetHitButtonIndex(SDL_MessageBoxDataX11 *data, int x, int y)
+{
+    int i;
+    int numbuttons = data->numbuttons;
+    SDL_MessageBoxButtonDataX11 *buttonpos = data->buttonpos;
+
+    for (i = 0; i < numbuttons; i++) {
+        SDL_Rect *rect = &buttonpos[i].rect;
+
+        if ((x >= rect->x) &&
+            (x <= (rect->x + rect->w)) &&
+            (y >= rect->y) &&
+            (y <= (rect->y + rect->h))) {
+            return i;
+        }
+    }
+
+    return -1;
+}
+
+// Initialize SDL_MessageBoxData structure and Display, etc.
+static bool X11_MessageBoxInit(SDL_MessageBoxDataX11 *data, const SDL_MessageBoxData *messageboxdata, int *pbuttonid)
+{
+    int i;
+    int numbuttons = messageboxdata->numbuttons;
+    const SDL_MessageBoxButtonData *buttondata = messageboxdata->buttons;
+    const SDL_MessageBoxColor *colorhints;
+
+    if (numbuttons > MAX_BUTTONS) {
+        return SDL_SetError("Too many buttons (%d max allowed)", MAX_BUTTONS);
+    }
+
+    data->dialog_width = MIN_DIALOG_WIDTH;
+    data->dialog_height = MIN_DIALOG_HEIGHT;
+    data->messageboxdata = messageboxdata;
+    data->buttondata = buttondata;
+    data->numbuttons = numbuttons;
+    data->pbuttonid = pbuttonid;
+
+    data->display = X11_XOpenDisplay(NULL);
+    if (!data->display) {
+        return SDL_SetError("Couldn't open X11 display");
+    }
+
+#ifdef X_HAVE_UTF8_STRING
+    if (SDL_X11_HAVE_UTF8) {
+        char **missing = NULL;
+        int num_missing = 0;
+        int i_font;
+        for (i_font = 0; g_MessageBoxFont[i_font]; ++i_font) {
+            data->font_set = X11_XCreateFontSet(data->display, g_MessageBoxFont[i_font],
+                                                &missing, &num_missing, NULL);
+            if (missing) {
+                X11_XFreeStringList(missing);
+            }
+            if (data->font_set) {
+                break;
+            }
+        }
+        if (!data->font_set) {
+            return SDL_SetError("Couldn't load x11 message box font");
+        }
+    } else
+#endif
+    {
+        data->font_struct = X11_XLoadQueryFont(data->display, g_MessageBoxFontLatin1);
+        if (!data->font_struct) {
+            return SDL_SetError("Couldn't load font %s", g_MessageBoxFontLatin1);
+        }
+    }
+
+    if (messageboxdata->colorScheme) {
+        colorhints = messageboxdata->colorScheme->colors;
+    } else {
+        colorhints = g_default_colors;
+    }
+
+    // Convert our SDL_MessageBoxColor r,g,b values to packed RGB format.
+    for (i = 0; i < SDL_MESSAGEBOX_COLOR_COUNT; i++) {
+        data->color[i] = SDL_MAKE_RGB(colorhints[i].r, colorhints[i].g, colorhints[i].b);
+    }
+
+    return true;
+}
+
+static int CountLinesOfText(const char *text)
+{
+    int result = 0;
+    while (text && *text) {
+        const char *lf = SDL_strchr(text, '\n');
+        result++; // even without an endline, this counts as a line.
+        text = lf ? lf + 1 : NULL;
+    }
+    return result;
+}
+
+// Calculate and initialize text and button locations.
+static bool X11_MessageBoxInitPositions(SDL_MessageBoxDataX11 *data)
+{
+    int i;
+    int ybuttons;
+    int text_width_max = 0;
+    int button_text_height = 0;
+    int button_width = MIN_BUTTON_WIDTH;
+    const SDL_MessageBoxData *messageboxdata = data->messageboxdata;
+
+    // Go over text and break linefeeds into separate lines.
+    if (messageboxdata && messageboxdata->message[0]) {
+        const char *text = messageboxdata->message;
+        const int linecount = CountLinesOfText(text);
+        TextLineData *plinedata = (TextLineData *)SDL_malloc(sizeof(TextLineData) * linecount);
+
+        if (!plinedata) {
+            return false;
+        }
+
+        data->linedata = plinedata;
+        data->numlines = linecount;
+
+        for (i = 0; i < linecount; i++, plinedata++) {
+            const char *lf = SDL_strchr(text, '\n');
+            const int length = lf ? (lf - text) : SDL_strlen(text);
+            int height;
+
+            plinedata->text = text;
+
+            GetTextWidthHeight(data, text, length, &plinedata->width, &height);
+
+            // Text and widths are the largest we've ever seen.
+            data->text_height = IntMax(data->text_height, height);
+            text_width_max = IntMax(text_width_max, plinedata->width);
+
+            plinedata->length = length;
+            if (lf && (lf > text) && (lf[-1] == '\r')) {
+                plinedata->length--;
+            }
+
+            text += length + 1;
+
+            // Break if there are no more linefeeds.
+            if (!lf) {
+                break;
+            }
+        }
+
+        // Bump up the text height slightly.
+        data->text_height += 2;
+    }
+
+    // Loop through all buttons and calculate the button widths and height.
+    for (i = 0; i < data->numbuttons; i++) {
+        int height;
+
+        data->buttonpos[i].buttondata = &data->buttondata[i];
+        data->buttonpos[i].length = SDL_strlen(data->buttondata[i].text);
+
+        GetTextWidthHeight(data, data->buttondata[i].text, SDL_strlen(data->buttondata[i].text),
+                           &data->buttonpos[i].text_width, &height);
+
+        button_width = IntMax(button_width, data->buttonpos[i].text_width);
+        button_text_height = IntMax(button_text_height, height);
+    }
+
+    if (data->numlines) {
+        // x,y for this line of text.
+        data->xtext = data->text_height;
+        data->ytext = data->text_height + data->text_height;
+
+        // Bump button y down to bottom of text.
+        ybuttons = 3 * data->ytext / 2 + (data->numlines - 1) * data->text_height;
+
+        // Bump the dialog box width and height up if needed.
+        data->dialog_width = IntMax(data->dialog_width, 2 * data->xtext + text_width_max);
+        data->dialog_height = IntMax(data->dialog_height, ybuttons);
+    } else {
+        // Button y starts at height of button text.
+        ybuttons = button_text_height;
+    }
+
+    if (data->numbuttons) {
+        int x, y;
+        int width_of_buttons;
+        int button_spacing = button_text_height;
+        int button_height = 2 * button_text_height;
+
+        // Bump button width up a bit.
+        button_width += button_text_height;
+
+        // Get width of all buttons lined up.
+        width_of_buttons = data->numbuttons * button_width + (data->numbuttons - 1) * button_spacing;
+
+        // Bump up dialog width and height if buttons are wider than text.
+        data->dialog_width = IntMax(data->dialog_width, width_of_buttons + 2 * button_spacing);
+        data->dialog_height = IntMax(data->dialog_height, ybuttons + 2 * button_height);
+
+        // Location for first button.
+        if (messageboxdata->flags & SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT) {
+            x = data->dialog_width - (data->dialog_width - width_of_buttons) / 2 - (button_width + button_spacing);
+        } else {
+            x = (data->dialog_width - width_of_buttons) / 2;
+        }
+        y = ybuttons + (data->dialog_height - ybuttons - button_height) / 2;
+
+        for (i = 0; i < data->numbuttons; i++) {
+            // Button coordinates.
+            data->buttonpos[i].rect.x = x;
+            data->buttonpos[i].rect.y = y;
+            data->buttonpos[i].rect.w = button_width;
+            data->buttonpos[i].rect.h = button_height;
+
+            // Button text coordinates.
+            data->buttonpos[i].x = x + (button_width - data->buttonpos[i].text_width) / 2;
+            data->buttonpos[i].y = y + (button_height - button_text_height - 1) / 2 + button_text_height;
+
+            // Scoot over for next button.
+            if (messageboxdata->flags & SDL_MESSAGEBOX_BUTTONS_RIGHT_TO_LEFT) {
+                x -= button_width + button_spacing;
+            } else {
+                x += button_width + button_spacing;
+            }
+        }
+    }
+
+    return true;
+}
+
+// Free SDL_MessageBoxData data.
+static void X11_MessageBoxShutdown(SDL_MessageBoxDataX11 *data)
+{
+    if (data->font_set) {
+        X11_XFreeFontSet(data->display, data->font_set);
+        data->font_set = NULL;
+    }
+
+    if (data->font_struct) {
+        X11_XFreeFont(data->display, data->font_struct);
+        data->font_struct = NULL;
+    }
+
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+    if (SDL_X11_HAVE_XDBE && data->xdbe) {
+        X11_XdbeDeallocateBackBufferName(data->display, data->buf);
+    }
+#endif
+
+    if (data->display) {
+        if (data->window != None) {
+            X11_XWithdrawWindow(data->display, data->window, data->screen);
+            X11_XDestroyWindow(data->display, data->window);
+            data->window = None;
+        }
+
+        X11_XCloseDisplay(data->display);
+        data->display = NULL;
+    }
+
+    SDL_free(data->linedata);
+}
+
+// Create and set up our X11 dialog box indow.
+static bool X11_MessageBoxCreateWindow(SDL_MessageBoxDataX11 *data)
+{
+    int x, y;
+    XSizeHints *sizehints;
+    XSetWindowAttributes wnd_attr;
+    Atom _NET_WM_WINDOW_TYPE, _NET_WM_WINDOW_TYPE_DIALOG;
+    Display *display = data->display;
+    SDL_WindowData *windowdata = NULL;
+    const SDL_MessageBoxData *messageboxdata = data->messageboxdata;
+
+    if (messageboxdata->window) {
+        SDL_DisplayData *displaydata = SDL_GetDisplayDriverDataForWindow(messageboxdata->window);
+        windowdata = messageboxdata->window->internal;
+        data->screen = displaydata->screen;
+    } else {
+        data->screen = DefaultScreen(display);
+    }
+
+    data->event_mask = ExposureMask |
+                       ButtonPressMask | ButtonReleaseMask | KeyPressMask | KeyReleaseMask |
+                       StructureNotifyMask | FocusChangeMask | PointerMotionMask;
+    wnd_attr.event_mask = data->event_mask;
+
+    data->window = X11_XCreateWindow(
+        display, RootWindow(display, data->screen),
+        0, 0,
+        data->dialog_width, data->dialog_height,
+        0, CopyFromParent, InputOutput, CopyFromParent,
+        CWEventMask, &wnd_attr);
+    if (data->window == None) {
+        return SDL_SetError("Couldn't create X window");
+    }
+
+    if (windowdata) {
+        Atom _NET_WM_STATE = X11_XInternAtom(display, "_NET_WM_STATE", False);
+        Atom stateatoms[16];
+        size_t statecount = 0;
+        // Set some message-boxy window states when attached to a parent window...
+        // we skip the taskbar since this will pop to the front when the parent window is clicked in the taskbar, etc
+        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_TASKBAR", False);
+        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_SKIP_PAGER", False);
+        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_FOCUSED", False);
+        stateatoms[statecount++] = X11_XInternAtom(display, "_NET_WM_STATE_MODAL", False);
+        SDL_assert(statecount <= SDL_arraysize(stateatoms));
+        X11_XChangeProperty(display, data->window, _NET_WM_STATE, XA_ATOM, 32,
+                            PropModeReplace, (unsigned char *)stateatoms, statecount);
+
+        // http://tronche.com/gui/x/icccm/sec-4.html#WM_TRANSIENT_FOR
+        X11_XSetTransientForHint(display, data->window, windowdata->xwindow);
+    }
+
+    SDL_X11_SetWindowTitle(display, data->window, (char *)messageboxdata->title);
+
+    // Let the window manager know this is a dialog box
+    _NET_WM_WINDOW_TYPE = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE", False);
+    _NET_WM_WINDOW_TYPE_DIALOG = X11_XInternAtom(display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
+    X11_XChangeProperty(display, data->window, _NET_WM_WINDOW_TYPE, XA_ATOM, 32,
+                        PropModeReplace,
+                        (unsigned char *)&_NET_WM_WINDOW_TYPE_DIALOG, 1);
+
+    // Allow the window to be deleted by the window manager
+    data->wm_delete_message = X11_XInternAtom(display, "WM_DELETE_WINDOW", False);
+    X11_XSetWMProtocols(display, data->window, &data->wm_delete_message, 1);
+
+    data->wm_protocols = X11_XInternAtom(display, "WM_PROTOCOLS", False);
+
+    if (windowdata) {
+        XWindowAttributes attrib;
+        Window dummy;
+
+        X11_XGetWindowAttributes(display, windowdata->xwindow, &attrib);
+        x = attrib.x + (attrib.width - data->dialog_width) / 2;
+        y = attrib.y + (attrib.height - data->dialog_height) / 3;
+        X11_XTranslateCoordinates(display, windowdata->xwindow, RootWindow(display, data->screen), x, y, &x, &y, &dummy);
+    } else {
+        const SDL_VideoDevice *dev = SDL_GetVideoDevice();
+        if (dev && dev->displays && dev->num_displays > 0) {
+            const SDL_VideoDisplay *dpy = dev->displays[0];
+            const SDL_DisplayData *dpydata = dpy->internal;
+            x = dpydata->x + ((dpy->current_mode->w - data->dialog_width) / 2);
+            y = dpydata->y + ((dpy->current_mode->h - data->dialog_height) / 3);
+        } else { // oh well. This will misposition on a multi-head setup. Init first next time.
+            x = (DisplayWidth(display, data->screen) - data->dialog_width) / 2;
+            y = (DisplayHeight(display, data->screen) - data->dialog_height) / 3;
+        }
+    }
+    X11_XMoveWindow(display, data->window, x, y);
+
+    sizehints = X11_XAllocSizeHints();
+    if (sizehints) {
+        sizehints->flags = USPosition | USSize | PMaxSize | PMinSize;
+        sizehints->x = x;
+        sizehints->y = y;
+        sizehints->width = data->dialog_width;
+        sizehints->height = data->dialog_height;
+
+        sizehints->min_width = sizehints->max_width = data->dialog_width;
+        sizehints->min_height = sizehints->max_height = data->dialog_height;
+
+        X11_XSetWMNormalHints(display, data->window, sizehints);
+
+        X11_XFree(sizehints);
+    }
+
+    X11_XMapRaised(display, data->window);
+
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+    // Initialise a back buffer for double buffering
+    if (SDL_X11_HAVE_XDBE) {
+        int xdbe_major, xdbe_minor;
+        if (X11_XdbeQueryExtension(display, &xdbe_major, &xdbe_minor) != 0) {
+            data->xdbe = true;
+            data->buf = X11_XdbeAllocateBackBufferName(display, data->window, XdbeUndefined);
+        } else {
+            data->xdbe = false;
+        }
+    }
+#endif
+
+    return true;
+}
+
+// Draw our message box.
+static void X11_MessageBoxDraw(SDL_MessageBoxDataX11 *data, GC ctx)
+{
+    int i;
+    Drawable window = data->window;
+    Display *display = data->display;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+    if (SDL_X11_HAVE_XDBE && data->xdbe) {
+        window = data->buf;
+        X11_XdbeBeginIdiom(data->display);
+    }
+#endif
+
+    X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_BACKGROUND]);
+    X11_XFillRectangle(display, window, ctx, 0, 0, data->dialog_width, data->dialog_height);
+
+    X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_TEXT]);
+    for (i = 0; i < data->numlines; i++) {
+        TextLineData *plinedata = &data->linedata[i];
+
+#ifdef X_HAVE_UTF8_STRING
+        if (SDL_X11_HAVE_UTF8) {
+            X11_Xutf8DrawString(display, window, data->font_set, ctx,
+                                data->xtext, data->ytext + i * data->text_height,
+                                plinedata->text, plinedata->length);
+        } else
+#endif
+        {
+            X11_XDrawString(display, window, ctx,
+                            data->xtext, data->ytext + i * data->text_height,
+                            plinedata->text, plinedata->length);
+        }
+    }
+
+    for (i = 0; i < data->numbuttons; i++) {
+        SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[i];
+        const SDL_MessageBoxButtonData *buttondata = buttondatax11->buttondata;
+        int border = (buttondata->flags & SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT) ? 2 : 0;
+        int offset = ((data->mouse_over_index == i) && (data->button_press_index == data->mouse_over_index)) ? 1 : 0;
+
+        X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_BUTTON_BACKGROUND]);
+        X11_XFillRectangle(display, window, ctx,
+                           buttondatax11->rect.x - border, buttondatax11->rect.y - border,
+                           buttondatax11->rect.w + 2 * border, buttondatax11->rect.h + 2 * border);
+
+        X11_XSetForeground(display, ctx, data->color[SDL_MESSAGEBOX_COLOR_BUTTON_BORDER]);
+        X11_XDrawRectangle(display, window, ctx,
+                           buttondatax11->rect.x, buttondatax11->rect.y,
+                           buttondatax11->rect.w, buttondatax11->rect.h);
+
+        X11_XSetForeground(display, ctx, (data->mouse_over_index == i) ? data->color[SDL_MESSAGEBOX_COLOR_BUTTON_SELECTED] : data->color[SDL_MESSAGEBOX_COLOR_TEXT]);
+
+#ifdef X_HAVE_UTF8_STRING
+        if (SDL_X11_HAVE_UTF8) {
+            X11_Xutf8DrawString(display, window, data->font_set, ctx,
+                                buttondatax11->x + offset,
+                                buttondatax11->y + offset,
+                                buttondata->text, buttondatax11->length);
+        } else
+#endif
+        {
+            X11_XDrawString(display, window, ctx,
+                            buttondatax11->x + offset, buttondatax11->y + offset,
+                            buttondata->text, buttondatax11->length);
+        }
+    }
+
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+    if (SDL_X11_HAVE_XDBE && data->xdbe) {
+        XdbeSwapInfo swap_info;
+        swap_info.swap_window = data->window;
+        swap_info.swap_action = XdbeUndefined;
+        X11_XdbeSwapBuffers(data->display, &swap_info, 1);
+        X11_XdbeEndIdiom(data->display);
+    }
+#endif
+}
+
+// NOLINTNEXTLINE(readability-non-const-parameter): cannot make XPointer a const pointer due to typedef
+static Bool X11_MessageBoxEventTest(Display *display, XEvent *event, XPointer arg)
+{
+    const SDL_MessageBoxDataX11 *data = (const SDL_MessageBoxDataX11 *)arg;
+    return ((event->xany.display == data->display) && (event->xany.window == data->window)) ? True : False;
+}
+
+// Loop and handle message box event messages until something kills it.
+static bool X11_MessageBoxLoop(SDL_MessageBoxDataX11 *data)
+{
+    GC ctx;
+    XGCValues ctx_vals;
+    bool close_dialog = false;
+    bool has_focus = true;
+    KeySym last_key_pressed = XK_VoidSymbol;
+    unsigned long gcflags = GCForeground | GCBackground;
+#ifdef X_HAVE_UTF8_STRING
+    const int have_utf8 = SDL_X11_HAVE_UTF8;
+#else
+    const int have_utf8 = 0;
+#endif
+
+    SDL_zero(ctx_vals);
+    ctx_vals.foreground = data->color[SDL_MESSAGEBOX_COLOR_BACKGROUND];
+    ctx_vals.background = data->color[SDL_MESSAGEBOX_COLOR_BACKGROUND];
+
+    if (!have_utf8) {
+        gcflags |= GCFont;
+        ctx_vals.font = data->font_struct->fid;
+    }
+
+    ctx = X11_XCreateGC(data->display, data->window, gcflags, &ctx_vals);
+    if (ctx == None) {
+        return SDL_SetError("Couldn't create graphics context");
+    }
+
+    data->button_press_index = -1; // Reset what button is currently depressed.
+    data->mouse_over_index = -1;   // Reset what button the mouse is over.
+
+    while (!close_dialog) {
+        XEvent e;
+        bool draw = true;
+
+        // can't use XWindowEvent() because it can't handle ClientMessage events.
+        // can't use XNextEvent() because we only want events for this window.
+        X11_XIfEvent(data->display, &e, X11_MessageBoxEventTest, (XPointer)data);
+
+        /* If X11_XFilterEvent returns True, then some input method has filtered the
+           event, and the client should discard the event. */
+        if ((e.type != Expose) && X11_XFilterEvent(&e, None)) {
+            continue;
+        }
+
+        switch (e.type) {
+        case Expose:
+            if (e.xexpose.count > 0) {
+                draw = false;
+            }
+            break;
+
+        case FocusIn:
+            // Got focus.
+            has_focus = true;
+            break;
+
+        case FocusOut:
+            // lost focus. Reset button and mouse info.
+            has_focus = false;
+            data->button_press_index = -1;
+            data->mouse_over_index = -1;
+            break;
+
+        case MotionNotify:
+            if (has_focus) {
+                // Mouse moved...
+                const int previndex = data->mouse_over_index;
+                data->mouse_over_index = GetHitButtonIndex(data, e.xbutton.x, e.xbutton.y);
+                if (data->mouse_over_index == previndex) {
+                    draw = false;
+                }
+            }
+            break;
+
+        case ClientMessage:
+            if (e.xclient.message_type == data->wm_protocols &&
+                e.xclient.format == 32 &&
+                e.xclient.data.l[0] == data->wm_delete_message) {
+                close_dialog = true;
+            }
+            break;
+
+        case KeyPress:
+            // Store key press - we make sure in key release that we got both.
+            last_key_pressed = X11_XLookupKeysym(&e.xkey, 0);
+            break;
+
+        case KeyRelease:
+        {
+            Uint32 mask = 0;
+            KeySym key = X11_XLookupKeysym(&e.xkey, 0);
+
+            // If this is a key release for something we didn't get the key down for, then bail.
+            if (key != last_key_pressed) {
+                break;
+            }
+
+            if (key == XK_Escape) {
+                mask = SDL_MESSAGEBOX_BUTTON_ESCAPEKEY_DEFAULT;
+            } else if ((key == XK_Return) || (key == XK_KP_Enter)) {
+                mask = SDL_MESSAGEBOX_BUTTON_RETURNKEY_DEFAULT;
+            }
+
+            if (mask) {
+                int i;
+
+                // Look for first button with this mask set, and return it if found.
+                for (i = 0; i < data->numbuttons; i++) {
+                    SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[i];
+
+                    if (buttondatax11->buttondata->flags & mask) {
+                        *data->pbuttonid = buttondatax11->buttondata->buttonID;
+                        close_dialog = true;
+                        break;
+                    }
+                }
+            }
+            break;
+        }
+
+        case ButtonPress:
+            data->button_press_index = -1;
+            if (e.xbutton.button == Button1) {
+                // Find index of button they clicked on.
+                data->button_press_index = GetHitButtonIndex(data, e.xbutton.x, e.xbutton.y);
+            }
+            break;
+
+        case ButtonRelease:
+            // If button is released over the same button that was clicked down on, then return it.
+            if ((e.xbutton.button == Button1) && (data->button_press_index >= 0)) {
+                int button = GetHitButtonIndex(data, e.xbutton.x, e.xbutton.y);
+
+                if (data->button_press_index == button) {
+                    SDL_MessageBoxButtonDataX11 *buttondatax11 = &data->buttonpos[button];
+
+                    *data->pbuttonid = buttondatax11->buttondata->buttonID;
+                    close_dialog = true;
+                }
+            }
+            data->button_press_index = -1;
+            break;
+        }
+
+        if (draw) {
+            // Draw our dialog box.
+            X11_MessageBoxDraw(data, ctx);
+        }
+    }
+
+    X11_XFreeGC(data->display, ctx);
+    return true;
+}
+
+static bool X11_ShowMessageBoxImpl(const SDL_MessageBoxData *messageboxdata, int *buttonID)
+{
+    bool result = false;
+    SDL_MessageBoxDataX11 data;
+#if SDL_SET_LOCALE
+    char *origlocale;
+#endif
+
+    SDL_zero(data);
+
+    if (!SDL_X11_LoadSymbols()) {
+        return false;
+    }
+
+#if SDL_SET_LOCALE
+    origlocale = setlocale(LC_ALL, NULL);
+    if (origlocale) {
+        origlocale = SDL_strdup(origlocale);
+        if (!origlocale) {
+            return false;
+        }
+        (void)setlocale(LC_ALL, "");
+    }
+#endif
+
+    // This code could get called from multiple threads maybe?
+    X11_XInitThreads();
+
+    // Initialize the return buttonID value to -1 (for error or dialogbox closed).
+    *buttonID = -1;
+
+    // Init and display the message box.
+    if (X11_MessageBoxInit(&data, messageboxdata, buttonID) &&
+        X11_MessageBoxInitPositions(&data) &&
+        X11_MessageBoxCreateWindow(&data)) {
+        result = X11_MessageBoxLoop(&data);
+    }
+
+    X11_MessageBoxShutdown(&data);
+
+#if SDL_SET_LOCALE
+    if (origlocale) {
+        (void)setlocale(LC_ALL, origlocale);
+        SDL_free(origlocale);
+    }
+#endif
+
+    return result;
+}
+
+// Display an x11 message box.
+bool X11_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID)
+{
+#if SDL_FORK_MESSAGEBOX
+    // Use a child process to protect against setlocale(). Annoying.
+    pid_t pid;
+    int fds[2];
+    int status = 0;
+    bool result = true;
+
+    if (pipe(fds) == -1) {
+        return X11_ShowMessageBoxImpl(messageboxdata, buttonID); // oh well.
+    }
+
+    pid = fork();
+    if (pid == -1) { // failed
+        close(fds[0]);
+        close(fds[1]);
+        return X11_ShowMessageBoxImpl(messageboxdata, buttonID); // oh well.
+    } else if (pid == 0) {                                       // we're the child
+        int exitcode = 0;
+        close(fds[0]);
+        result = X11_ShowMessageBoxImpl(messageboxdata, buttonID);
+        if (write(fds[1], &result, sizeof(result)) != sizeof(result)) {
+            exitcode = 1;
+        } else if (write(fds[1], buttonID, sizeof(*buttonID)) != sizeof(*buttonID)) {
+            exitcode = 1;
+        }
+        close(fds[1]);
+        _exit(exitcode); // don't run atexit() stuff, static destructors, etc.
+    } else {             // we're the parent
+        pid_t rc;
+        close(fds[1]);
+        do {
+            rc = waitpid(pid, &status, 0);
+        } while ((rc == -1) && (errno == EINTR));
+
+        SDL_assert(rc == pid); // not sure what to do if this fails.
+
+        if ((rc == -1) || (!WIFEXITED(status)) || (WEXITSTATUS(status) != 0)) {
+            result = SDL_SetError("msgbox child process failed");
+        } else if ((read(fds[0], &result, sizeof(result)) != sizeof(result)) ||
+                   (read(fds[0], buttonID, sizeof(*buttonID)) != sizeof(*buttonID))) {
+            result = SDL_SetError("read from msgbox child process failed");
+            *buttonID = 0;
+        }
+        close(fds[0]);
+
+        return result;
+    }
+#else
+    return X11_ShowMessageBoxImpl(messageboxdata, buttonID);
+#endif
+}
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11messagebox.h

@@ -0,0 +1,31 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef SDL_x11messagebox_h_
+#define SDL_x11messagebox_h_
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+extern bool X11_ShowMessageBox(const SDL_MessageBoxData *messageboxdata, int *buttonID);
+
+#endif // SDL_VIDEO_DRIVER_X11
+
+#endif // SDL_x11messagebox_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11modes.h

@@ -0,0 +1,69 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11modes_h_
+#define SDL_x11modes_h_
+
+struct SDL_DisplayData
+{
+    int screen;
+    Visual *visual;
+    int depth;
+    int scanline_pad;
+    int x;
+    int y;
+
+    Uint64 mode_switch_deadline_ns;
+
+    bool use_xrandr;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
+    RROutput xrandr_output;
+    char connector_name[16];
+#endif
+};
+
+struct SDL_DisplayModeData
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
+    RRMode xrandr_mode;
+#else
+    int unused; // just so struct isn't empty.
+#endif
+};
+
+extern bool X11_InitModes(SDL_VideoDevice *_this);
+extern bool X11_GetDisplayModes(SDL_VideoDevice *_this, SDL_VideoDisplay *display);
+extern bool X11_SetDisplayMode(SDL_VideoDevice *_this, SDL_VideoDisplay *display, SDL_DisplayMode *mode);
+extern void X11_QuitModes(SDL_VideoDevice *_this);
+
+// Some utility functions for working with visuals
+extern bool X11_GetVisualInfoFromVisual(Display *display, Visual *visual, XVisualInfo *vinfo);
+extern SDL_PixelFormat X11_GetPixelFormatFromVisualInfo(Display *display, XVisualInfo *vinfo);
+extern bool X11_GetDisplayBounds(SDL_VideoDevice *_this, SDL_VideoDisplay *sdl_display, SDL_Rect *rect);
+extern bool X11_GetDisplayUsableBounds(SDL_VideoDevice *_this, SDL_VideoDisplay *sdl_display, SDL_Rect *rect);
+
+#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
+extern void X11_HandleXRandREvent(SDL_VideoDevice *_this, const XEvent *xevent);
+#endif
+
+#endif // SDL_x11modes_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11mouse.c

@@ -0,0 +1,552 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include <X11/cursorfont.h>
+#include "SDL_x11video.h"
+#include "SDL_x11mouse.h"
+#include "SDL_x11xinput2.h"
+#include "../SDL_video_c.h"
+#include "../../events/SDL_mouse_c.h"
+
+struct SDL_CursorData
+{
+    Cursor cursor;
+};
+
+// FIXME: Find a better place to put this...
+static Cursor x11_empty_cursor = None;
+static bool x11_cursor_visible = true;
+
+static SDL_Cursor *sys_cursors[SDL_HITTEST_RESIZE_LEFT + 1];
+
+static Display *GetDisplay(void)
+{
+    return SDL_GetVideoDevice()->internal->display;
+}
+
+static Cursor X11_CreateEmptyCursor(void)
+{
+    if (x11_empty_cursor == None) {
+        Display *display = GetDisplay();
+        char data[1];
+        XColor color;
+        Pixmap pixmap;
+
+        SDL_zeroa(data);
+        color.red = color.green = color.blue = 0;
+        pixmap = X11_XCreateBitmapFromData(display, DefaultRootWindow(display),
+                                           data, 1, 1);
+        if (pixmap) {
+            x11_empty_cursor = X11_XCreatePixmapCursor(display, pixmap, pixmap,
+                                                       &color, &color, 0, 0);
+            X11_XFreePixmap(display, pixmap);
+        }
+    }
+    return x11_empty_cursor;
+}
+
+static void X11_DestroyEmptyCursor(void)
+{
+    if (x11_empty_cursor != None) {
+        X11_XFreeCursor(GetDisplay(), x11_empty_cursor);
+        x11_empty_cursor = None;
+    }
+}
+
+static SDL_Cursor *X11_CreateCursorAndData(Cursor x11_cursor)
+{
+    SDL_Cursor *cursor = (SDL_Cursor *)SDL_calloc(1, sizeof(*cursor));
+    if (cursor) {
+        SDL_CursorData *data = (SDL_CursorData *)SDL_calloc(1, sizeof(*data));
+        if (!data) {
+            SDL_free(cursor);
+            return NULL;
+        }
+        data->cursor = x11_cursor;
+        cursor->internal = data;
+    }
+    return cursor;
+}
+
+#ifdef SDL_VIDEO_DRIVER_X11_XCURSOR
+static Cursor X11_CreateXCursorCursor(SDL_Surface *surface, int hot_x, int hot_y)
+{
+    Display *display = GetDisplay();
+    Cursor cursor = None;
+    XcursorImage *image;
+
+    image = X11_XcursorImageCreate(surface->w, surface->h);
+    if (!image) {
+        SDL_OutOfMemory();
+        return None;
+    }
+    image->xhot = hot_x;
+    image->yhot = hot_y;
+    image->delay = 0;
+
+    SDL_assert(surface->format == SDL_PIXELFORMAT_ARGB8888);
+    SDL_assert(surface->pitch == surface->w * 4);
+    SDL_memcpy(image->pixels, surface->pixels, (size_t)surface->h * surface->pitch);
+
+    cursor = X11_XcursorImageLoadCursor(display, image);
+
+    X11_XcursorImageDestroy(image);
+
+    return cursor;
+}
+#endif // SDL_VIDEO_DRIVER_X11_XCURSOR
+
+static Cursor X11_CreatePixmapCursor(SDL_Surface *surface, int hot_x, int hot_y)
+{
+    Display *display = GetDisplay();
+    XColor fg, bg;
+    Cursor cursor = None;
+    Uint32 *ptr;
+    Uint8 *data_bits, *mask_bits;
+    Pixmap data_pixmap, mask_pixmap;
+    int x, y;
+    unsigned int rfg, gfg, bfg, rbg, gbg, bbg, fgBits, bgBits;
+    size_t width_bytes = ((surface->w + 7) & ~((size_t)7)) / 8;
+
+    data_bits = SDL_calloc(1, surface->h * width_bytes);
+    if (!data_bits) {
+        return None;
+    }
+
+    mask_bits = SDL_calloc(1, surface->h * width_bytes);
+    if (!mask_bits) {
+        SDL_free(data_bits);
+        return None;
+    }
+
+    // Code below assumes ARGB pixel format
+    SDL_assert(surface->format == SDL_PIXELFORMAT_ARGB8888);
+
+    rfg = gfg = bfg = rbg = gbg = bbg = fgBits = bgBits = 0;
+    for (y = 0; y < surface->h; ++y) {
+        ptr = (Uint32 *)((Uint8 *)surface->pixels + y * surface->pitch);
+        for (x = 0; x < surface->w; ++x) {
+            int alpha = (*ptr >> 24) & 0xff;
+            int red = (*ptr >> 16) & 0xff;
+            int green = (*ptr >> 8) & 0xff;
+            int blue = (*ptr >> 0) & 0xff;
+            if (alpha > 25) {
+                mask_bits[y * width_bytes + x / 8] |= (0x01 << (x % 8));
+
+                if ((red + green + blue) > 0x40) {
+                    fgBits++;
+                    rfg += red;
+                    gfg += green;
+                    bfg += blue;
+                    data_bits[y * width_bytes + x / 8] |= (0x01 << (x % 8));
+                } else {
+                    bgBits++;
+                    rbg += red;
+                    gbg += green;
+                    bbg += blue;
+                }
+            }
+            ++ptr;
+        }
+    }
+
+    if (fgBits) {
+        fg.red = rfg * 257 / fgBits;
+        fg.green = gfg * 257 / fgBits;
+        fg.blue = bfg * 257 / fgBits;
+    } else {
+        fg.red = fg.green = fg.blue = 0;
+    }
+
+    if (bgBits) {
+        bg.red = rbg * 257 / bgBits;
+        bg.green = gbg * 257 / bgBits;
+        bg.blue = bbg * 257 / bgBits;
+    } else {
+        bg.red = bg.green = bg.blue = 0;
+    }
+
+    data_pixmap = X11_XCreateBitmapFromData(display, DefaultRootWindow(display),
+                                            (char *)data_bits,
+                                            surface->w, surface->h);
+    mask_pixmap = X11_XCreateBitmapFromData(display, DefaultRootWindow(display),
+                                            (char *)mask_bits,
+                                            surface->w, surface->h);
+    cursor = X11_XCreatePixmapCursor(display, data_pixmap, mask_pixmap,
+                                     &fg, &bg, hot_x, hot_y);
+    X11_XFreePixmap(display, data_pixmap);
+    X11_XFreePixmap(display, mask_pixmap);
+    SDL_free(data_bits);
+    SDL_free(mask_bits);
+
+    return cursor;
+}
+
+static SDL_Cursor *X11_CreateCursor(SDL_Surface *surface, int hot_x, int hot_y)
+{
+    Cursor x11_cursor = None;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XCURSOR
+    if (SDL_X11_HAVE_XCURSOR) {
+        x11_cursor = X11_CreateXCursorCursor(surface, hot_x, hot_y);
+    }
+#endif
+    if (x11_cursor == None) {
+        x11_cursor = X11_CreatePixmapCursor(surface, hot_x, hot_y);
+    }
+    return X11_CreateCursorAndData(x11_cursor);
+}
+
+static unsigned int GetLegacySystemCursorShape(SDL_SystemCursor id)
+{
+    switch (id) {
+        // X Font Cursors reference:
+        // http://tronche.com/gui/x/xlib/appendix/b/
+        case SDL_SYSTEM_CURSOR_DEFAULT: return XC_left_ptr;
+        case SDL_SYSTEM_CURSOR_TEXT: return XC_xterm;
+        case SDL_SYSTEM_CURSOR_WAIT: return XC_watch;
+        case SDL_SYSTEM_CURSOR_CROSSHAIR: return XC_tcross;
+        case SDL_SYSTEM_CURSOR_PROGRESS: return XC_watch;
+        case SDL_SYSTEM_CURSOR_NWSE_RESIZE: return XC_top_left_corner;
+        case SDL_SYSTEM_CURSOR_NESW_RESIZE: return XC_top_right_corner;
+        case SDL_SYSTEM_CURSOR_EW_RESIZE: return XC_sb_h_double_arrow;
+        case SDL_SYSTEM_CURSOR_NS_RESIZE: return XC_sb_v_double_arrow;
+        case SDL_SYSTEM_CURSOR_MOVE: return XC_fleur;
+        case SDL_SYSTEM_CURSOR_NOT_ALLOWED: return XC_pirate;
+        case SDL_SYSTEM_CURSOR_POINTER: return XC_hand2;
+        case SDL_SYSTEM_CURSOR_NW_RESIZE: return XC_top_left_corner;
+        case SDL_SYSTEM_CURSOR_N_RESIZE: return XC_top_side;
+        case SDL_SYSTEM_CURSOR_NE_RESIZE: return XC_top_right_corner;
+        case SDL_SYSTEM_CURSOR_E_RESIZE: return XC_right_side;
+        case SDL_SYSTEM_CURSOR_SE_RESIZE: return XC_bottom_right_corner;
+        case SDL_SYSTEM_CURSOR_S_RESIZE: return XC_bottom_side;
+        case SDL_SYSTEM_CURSOR_SW_RESIZE: return XC_bottom_left_corner;
+        case SDL_SYSTEM_CURSOR_W_RESIZE: return XC_left_side;
+        case SDL_SYSTEM_CURSOR_COUNT: break;  // so the compiler might notice if an enum value is missing here.
+    }
+
+    SDL_assert(0);
+    return 0;
+}
+
+static SDL_Cursor *X11_CreateSystemCursor(SDL_SystemCursor id)
+{
+    SDL_Cursor *cursor = NULL;
+    Display *dpy = GetDisplay();
+    Cursor x11_cursor = None;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XCURSOR
+    if (SDL_X11_HAVE_XCURSOR) {
+        x11_cursor = X11_XcursorLibraryLoadCursor(dpy, SDL_GetCSSCursorName(id, NULL));
+    }
+#endif
+
+    if (x11_cursor == None) {
+        x11_cursor = X11_XCreateFontCursor(dpy, GetLegacySystemCursorShape(id));
+    }
+
+    if (x11_cursor != None) {
+        cursor = X11_CreateCursorAndData(x11_cursor);
+    }
+
+    return cursor;
+}
+
+static SDL_Cursor *X11_CreateDefaultCursor(void)
+{
+    SDL_SystemCursor id = SDL_GetDefaultSystemCursor();
+    return X11_CreateSystemCursor(id);
+}
+
+static void X11_FreeCursor(SDL_Cursor *cursor)
+{
+    Cursor x11_cursor = cursor->internal->cursor;
+
+    if (x11_cursor != None) {
+        X11_XFreeCursor(GetDisplay(), x11_cursor);
+    }
+    SDL_free(cursor->internal);
+    SDL_free(cursor);
+}
+
+static bool X11_ShowCursor(SDL_Cursor *cursor)
+{
+    Cursor x11_cursor = 0;
+
+    if (cursor) {
+        x11_cursor = cursor->internal->cursor;
+    } else {
+        x11_cursor = X11_CreateEmptyCursor();
+    }
+
+    // FIXME: Is there a better way than this?
+    {
+        SDL_VideoDevice *video = SDL_GetVideoDevice();
+        Display *display = GetDisplay();
+        SDL_Window *window;
+
+        x11_cursor_visible = !!cursor;
+
+        for (window = video->windows; window; window = window->next) {
+            SDL_WindowData *data = window->internal;
+            if (data) {
+                if (x11_cursor != None) {
+                    X11_XDefineCursor(display, data->xwindow, x11_cursor);
+                } else {
+                    X11_XUndefineCursor(display, data->xwindow);
+                }
+            }
+        }
+        X11_XFlush(display);
+    }
+    return true;
+}
+
+static void X11_WarpMouseInternal(Window xwindow, float x, float y)
+{
+    SDL_VideoData *videodata = SDL_GetVideoDevice()->internal;
+    Display *display = videodata->display;
+    bool warp_hack = false;
+
+    // XWayland will only warp the cursor if it is hidden, so this workaround is required.
+    if (videodata->is_xwayland && x11_cursor_visible) {
+        warp_hack = true;
+    }
+
+    if (warp_hack) {
+        X11_ShowCursor(NULL);
+    }
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+    int deviceid = 0;
+    if (X11_Xinput2IsInitialized()) {
+        /* It seems XIWarpPointer() doesn't work correctly on multi-head setups:
+         * https://developer.blender.org/rB165caafb99c6846e53d11c4e966990aaffc06cea
+         */
+        if (ScreenCount(display) == 1) {
+            X11_XIGetClientPointer(display, None, &deviceid);
+        }
+    }
+    if (deviceid != 0) {
+        SDL_assert(SDL_X11_HAVE_XINPUT2);
+        X11_XIWarpPointer(display, deviceid, None, xwindow, 0.0, 0.0, 0, 0, x, y);
+    } else
+#endif
+    {
+        X11_XWarpPointer(display, None, xwindow, 0, 0, 0, 0, (int)x, (int)y);
+    }
+
+    if (warp_hack) {
+        X11_ShowCursor(SDL_GetCursor());
+    }
+    X11_XSync(display, False);
+    videodata->global_mouse_changed = true;
+}
+
+static bool X11_WarpMouse(SDL_Window *window, float x, float y)
+{
+    SDL_WindowData *data = window->internal;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+    // If we have no barrier, we need to warp
+    if (data->pointer_barrier_active == false) {
+        X11_WarpMouseInternal(data->xwindow, x, y);
+    }
+#else
+    X11_WarpMouseInternal(data->xwindow, x, y);
+#endif
+    return true;
+}
+
+static bool X11_WarpMouseGlobal(float x, float y)
+{
+    X11_WarpMouseInternal(DefaultRootWindow(GetDisplay()), x, y);
+    return true;
+}
+
+static bool X11_SetRelativeMouseMode(bool enabled)
+{
+    if (!X11_Xinput2IsInitialized()) {
+        return SDL_Unsupported();
+    }
+    return true;
+}
+
+static bool X11_CaptureMouse(SDL_Window *window)
+{
+    Display *display = GetDisplay();
+    SDL_Window *mouse_focus = SDL_GetMouseFocus();
+
+    if (window) {
+        SDL_WindowData *data = window->internal;
+
+        /* If XInput2 is handling the pointer input, non-confinement grabs will always fail with 'AlreadyGrabbed',
+         * since the pointer is being grabbed by XInput2.
+         */
+        if (!data->xinput2_mouse_enabled || data->mouse_grabbed) {
+            const unsigned int mask = ButtonPressMask | ButtonReleaseMask | PointerMotionMask | FocusChangeMask;
+            Window confined = (data->mouse_grabbed ? data->xwindow : None);
+            const int rc = X11_XGrabPointer(display, data->xwindow, False,
+                                            mask, GrabModeAsync, GrabModeAsync,
+                                            confined, None, CurrentTime);
+            if (rc != GrabSuccess) {
+                return SDL_SetError("X server refused mouse capture");
+            }
+
+            if (data->mouse_grabbed) {
+                // XGrabPointer can warp the cursor when confining, so update the coordinates.
+                data->videodata->global_mouse_changed = true;
+            }
+        }
+    } else if (mouse_focus) {
+        SDL_UpdateWindowGrab(mouse_focus);
+    } else {
+        X11_XUngrabPointer(display, CurrentTime);
+    }
+
+    X11_XSync(display, False);
+
+    return true;
+}
+
+static SDL_MouseButtonFlags X11_GetGlobalMouseState(float *x, float *y)
+{
+    SDL_VideoData *videodata = SDL_GetVideoDevice()->internal;
+    SDL_DisplayID *displays;
+    Display *display = GetDisplay();
+    int i;
+
+    // !!! FIXME: should we XSync() here first?
+
+    if (!X11_Xinput2IsInitialized()) {
+        videodata->global_mouse_changed = true;
+    }
+
+    // check if we have this cached since XInput last saw the mouse move.
+    // !!! FIXME: can we just calculate this from XInput's events?
+    if (videodata->global_mouse_changed) {
+        displays = SDL_GetDisplays(NULL);
+        if (displays) {
+            for (i = 0; displays[i]; ++i) {
+                SDL_DisplayData *data = SDL_GetDisplayDriverData(displays[i]);
+                if (data) {
+                    Window root, child;
+                    int rootx, rooty, winx, winy;
+                    unsigned int mask;
+                    if (X11_XQueryPointer(display, RootWindow(display, data->screen), &root, &child, &rootx, &rooty, &winx, &winy, &mask)) {
+                        XWindowAttributes root_attrs;
+                        SDL_MouseButtonFlags buttons = 0;
+                        buttons |= (mask & Button1Mask) ? SDL_BUTTON_LMASK : 0;
+                        buttons |= (mask & Button2Mask) ? SDL_BUTTON_MMASK : 0;
+                        buttons |= (mask & Button3Mask) ? SDL_BUTTON_RMASK : 0;
+                        // Use the SDL state for the extended buttons - it's better than nothing
+                        buttons |= (SDL_GetMouseState(NULL, NULL) & (SDL_BUTTON_X1MASK | SDL_BUTTON_X2MASK));
+                        /* SDL_DisplayData->x,y point to screen origin, and adding them to mouse coordinates relative to root window doesn't do the right thing
+                         * (observed on dual monitor setup with primary display being the rightmost one - mouse was offset to the right).
+                         *
+                         * Adding root position to root-relative coordinates seems to be a better way to get absolute position. */
+                        X11_XGetWindowAttributes(display, root, &root_attrs);
+                        videodata->global_mouse_position.x = root_attrs.x + rootx;
+                        videodata->global_mouse_position.y = root_attrs.y + rooty;
+                        videodata->global_mouse_buttons = buttons;
+                        videodata->global_mouse_changed = false;
+                        break;
+                    }
+                }
+            }
+            SDL_free(displays);
+        }
+    }
+
+    SDL_assert(!videodata->global_mouse_changed); // The pointer wasn't on any X11 screen?!
+
+    *x = (float)videodata->global_mouse_position.x;
+    *y = (float)videodata->global_mouse_position.y;
+    return videodata->global_mouse_buttons;
+}
+
+void X11_InitMouse(SDL_VideoDevice *_this)
+{
+    SDL_Mouse *mouse = SDL_GetMouse();
+
+    mouse->CreateCursor = X11_CreateCursor;
+    mouse->CreateSystemCursor = X11_CreateSystemCursor;
+    mouse->ShowCursor = X11_ShowCursor;
+    mouse->FreeCursor = X11_FreeCursor;
+    mouse->WarpMouse = X11_WarpMouse;
+    mouse->WarpMouseGlobal = X11_WarpMouseGlobal;
+    mouse->SetRelativeMouseMode = X11_SetRelativeMouseMode;
+    mouse->CaptureMouse = X11_CaptureMouse;
+    mouse->GetGlobalMouseState = X11_GetGlobalMouseState;
+
+    SDL_HitTestResult r = SDL_HITTEST_NORMAL;
+    while (r <= SDL_HITTEST_RESIZE_LEFT) {
+        switch (r) {
+        case SDL_HITTEST_NORMAL: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_DEFAULT); break;
+        case SDL_HITTEST_DRAGGABLE: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_DEFAULT); break;
+        case SDL_HITTEST_RESIZE_TOPLEFT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_NW_RESIZE); break;
+        case SDL_HITTEST_RESIZE_TOP: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_N_RESIZE); break;
+        case SDL_HITTEST_RESIZE_TOPRIGHT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_NE_RESIZE); break;
+        case SDL_HITTEST_RESIZE_RIGHT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_E_RESIZE); break;
+        case SDL_HITTEST_RESIZE_BOTTOMRIGHT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_SE_RESIZE); break;
+        case SDL_HITTEST_RESIZE_BOTTOM: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_S_RESIZE); break;
+        case SDL_HITTEST_RESIZE_BOTTOMLEFT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_SW_RESIZE); break;
+        case SDL_HITTEST_RESIZE_LEFT: sys_cursors[r] = X11_CreateSystemCursor(SDL_SYSTEM_CURSOR_W_RESIZE); break;
+        }
+        r++;
+    }
+
+    SDL_SetDefaultCursor(X11_CreateDefaultCursor());
+}
+
+void X11_QuitMouse(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+    SDL_XInput2DeviceInfo *i;
+    SDL_XInput2DeviceInfo *next;
+    int j;
+
+    for (j = 0; j < SDL_arraysize(sys_cursors); j++) {
+        X11_FreeCursor(sys_cursors[j]);
+        sys_cursors[j] = NULL;
+    }
+
+    for (i = data->mouse_device_info; i; i = next) {
+        next = i->next;
+        SDL_free(i);
+    }
+    data->mouse_device_info = NULL;
+
+    X11_DestroyEmptyCursor();
+}
+
+void X11_SetHitTestCursor(SDL_HitTestResult rc)
+{
+    if (rc == SDL_HITTEST_NORMAL || rc == SDL_HITTEST_DRAGGABLE) {
+        SDL_SetCursor(NULL);
+    } else {
+        X11_ShowCursor(sys_cursors[rc]);
+    }
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11mouse.h

@@ -0,0 +1,40 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11mouse_h_
+#define SDL_x11mouse_h_
+
+typedef struct SDL_XInput2DeviceInfo
+{
+    int device_id;
+    bool relative[2];
+    double minval[2];
+    double maxval[2];
+    double prev_coords[2];
+    struct SDL_XInput2DeviceInfo *next;
+} SDL_XInput2DeviceInfo;
+
+extern void X11_InitMouse(SDL_VideoDevice *_this);
+extern void X11_QuitMouse(SDL_VideoDevice *_this);
+extern void X11_SetHitTestCursor(SDL_HitTestResult rc);
+
+#endif // SDL_x11mouse_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11opengl.h

@@ -0,0 +1,96 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11opengl_h_
+#define SDL_x11opengl_h_
+
+#ifdef SDL_VIDEO_OPENGL_GLX
+#include <SDL3/SDL_opengl.h>
+#include <GL/glx.h>
+
+typedef void (*__GLXextFuncPtr)(void);
+
+typedef enum SDL_GLSwapIntervalTearBehavior
+{
+    SDL_SWAPINTERVALTEAR_UNTESTED,
+    SDL_SWAPINTERVALTEAR_UNKNOWN,
+    SDL_SWAPINTERVALTEAR_MESA,
+    SDL_SWAPINTERVALTEAR_NVIDIA
+} SDL_GLSwapIntervalTearBehavior;
+
+struct SDL_GLDriverData
+{
+    int errorBase, eventBase;
+
+    bool HAS_GLX_EXT_visual_rating;
+    bool HAS_GLX_EXT_visual_info;
+    bool HAS_GLX_EXT_swap_control_tear;
+    bool HAS_GLX_ARB_context_flush_control;
+    bool HAS_GLX_ARB_create_context_robustness;
+    bool HAS_GLX_ARB_create_context_no_error;
+
+    /* Max version of OpenGL ES context that can be created if the
+       implementation supports GLX_EXT_create_context_es2_profile.
+       major = minor = 0 when unsupported.
+     */
+    struct
+    {
+        int major;
+        int minor;
+    } es_profile_max_supported_version;
+
+    SDL_GLSwapIntervalTearBehavior swap_interval_tear_behavior;
+
+    Bool (*glXQueryExtension)(Display *, int *, int *);
+    __GLXextFuncPtr (*glXGetProcAddress)(const GLubyte *);
+    XVisualInfo *(*glXChooseVisual)(Display *, int, int *);
+    GLXContext (*glXCreateContext)(Display *, XVisualInfo *, GLXContext, Bool);
+    GLXContext (*glXCreateContextAttribsARB)(Display *, GLXFBConfig, GLXContext, Bool, const int *);
+    GLXFBConfig *(*glXChooseFBConfig)(Display *, int, const int *, int *);
+    XVisualInfo *(*glXGetVisualFromFBConfig)(Display *, GLXFBConfig);
+    void (*glXDestroyContext)(Display *, GLXContext);
+    Bool (*glXMakeCurrent)(Display *, GLXDrawable, GLXContext);
+    void (*glXSwapBuffers)(Display *, GLXDrawable);
+    void (*glXQueryDrawable)(Display *, GLXDrawable, int, unsigned int *);
+    void (*glXSwapIntervalEXT)(Display *, GLXDrawable, int);
+    int (*glXSwapIntervalSGI)(int);
+    int (*glXSwapIntervalMESA)(int);
+    int (*glXGetSwapIntervalMESA)(void);
+};
+
+// OpenGL functions
+extern bool X11_GL_LoadLibrary(SDL_VideoDevice *_this, const char *path);
+extern SDL_FunctionPointer X11_GL_GetProcAddress(SDL_VideoDevice *_this, const char *proc);
+extern void X11_GL_UnloadLibrary(SDL_VideoDevice *_this);
+extern bool X11_GL_UseEGL(SDL_VideoDevice *_this);
+extern XVisualInfo *X11_GL_GetVisual(SDL_VideoDevice *_this, Display *display, int screen, bool transparent);
+extern SDL_GLContext X11_GL_CreateContext(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GL_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window,
+                              SDL_GLContext context);
+extern bool X11_GL_SetSwapInterval(SDL_VideoDevice *_this, int interval);
+extern bool X11_GL_GetSwapInterval(SDL_VideoDevice *_this, int *interval);
+extern bool X11_GL_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GL_DestroyContext(SDL_VideoDevice *_this, SDL_GLContext context);
+
+#endif // SDL_VIDEO_OPENGL_GLX
+
+#endif // SDL_x11opengl_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11opengles.c

@@ -0,0 +1,152 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#if defined(SDL_VIDEO_DRIVER_X11) && defined(SDL_VIDEO_OPENGL_EGL)
+
+#include "SDL_x11video.h"
+#include "SDL_x11opengles.h"
+#include "SDL_x11opengl.h"
+#include "SDL_x11xsync.h"
+
+// EGL implementation of SDL OpenGL support
+
+bool X11_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path)
+{
+    SDL_VideoData *data = _this->internal;
+
+    // If the profile requested is not GL ES, switch over to X11_GL functions
+    if ((_this->gl_config.profile_mask != SDL_GL_CONTEXT_PROFILE_ES) &&
+        !SDL_GetHintBoolean(SDL_HINT_VIDEO_FORCE_EGL, false)) {
+#ifdef SDL_VIDEO_OPENGL_GLX
+        X11_GLES_UnloadLibrary(_this);
+        _this->GL_LoadLibrary = X11_GL_LoadLibrary;
+        _this->GL_GetProcAddress = X11_GL_GetProcAddress;
+        _this->GL_UnloadLibrary = X11_GL_UnloadLibrary;
+        _this->GL_CreateContext = X11_GL_CreateContext;
+        _this->GL_MakeCurrent = X11_GL_MakeCurrent;
+        _this->GL_SetSwapInterval = X11_GL_SetSwapInterval;
+        _this->GL_GetSwapInterval = X11_GL_GetSwapInterval;
+        _this->GL_SwapWindow = X11_GL_SwapWindow;
+        _this->GL_DestroyContext = X11_GL_DestroyContext;
+        return X11_GL_LoadLibrary(_this, path);
+#else
+        return SDL_SetError("SDL not configured with OpenGL/GLX support");
+#endif
+    }
+
+    return SDL_EGL_LoadLibrary(_this, path, (NativeDisplayType)data->display, _this->gl_config.egl_platform);
+}
+
+XVisualInfo *X11_GLES_GetVisual(SDL_VideoDevice *_this, Display *display, int screen, bool transparent)
+{
+
+    XVisualInfo *egl_visualinfo = NULL;
+    EGLint visual_id = 0;
+    XVisualInfo vi_in;
+    int out_count = 0;
+
+    if (!_this->egl_data) {
+        // The EGL library wasn't loaded, SDL_GetError() should have info
+        return NULL;
+    }
+
+    if (_this->egl_data->eglGetConfigAttrib(_this->egl_data->egl_display,
+                                            _this->egl_data->egl_config,
+                                            EGL_NATIVE_VISUAL_ID,
+                                            &visual_id) == EGL_FALSE) {
+        visual_id = 0;
+    }
+    if (visual_id != 0) {
+        vi_in.screen = screen;
+        vi_in.visualid = visual_id;
+        egl_visualinfo = X11_XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
+        if (transparent && egl_visualinfo) {
+            Uint32 format = X11_GetPixelFormatFromVisualInfo(display, egl_visualinfo);
+            if (!SDL_ISPIXELFORMAT_ALPHA(format)) {
+                // not transparent!
+                X11_XFree(egl_visualinfo);
+                egl_visualinfo = NULL;
+            }
+        }
+    }
+    
+    if(!egl_visualinfo) {
+        // Use the default visual when all else fails
+        vi_in.screen = screen;
+        egl_visualinfo = X11_XGetVisualInfo(display,
+                                            VisualScreenMask,
+                                            &vi_in, &out_count);
+
+        // Return the first transparent Visual
+        if (transparent) {
+            int i;
+            for (i = 0; i < out_count; i++) {
+                XVisualInfo *v = &egl_visualinfo[i];
+                Uint32 format = X11_GetPixelFormatFromVisualInfo(display, v);
+                if (SDL_ISPIXELFORMAT_ALPHA(format)) { // found!
+                    // re-request it to have a copy that can be X11_XFree'ed later
+                    vi_in.screen = screen;
+                    vi_in.visualid = v->visualid;
+                    X11_XFree(egl_visualinfo);
+                    egl_visualinfo = X11_XGetVisualInfo(display, VisualScreenMask | VisualIDMask, &vi_in, &out_count);
+                    return egl_visualinfo;
+                }
+            }
+        }
+    }
+    return egl_visualinfo;
+}
+
+SDL_GLContext X11_GLES_CreateContext(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_GLContext context;
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+
+    X11_XSync(display, False);
+    context = SDL_EGL_CreateContext(_this, data->egl_surface);
+    X11_XSync(display, False);
+
+    return context;
+}
+
+SDL_EGLSurface X11_GLES_GetEGLSurface(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_WindowData *data = window->internal;
+    return data->egl_surface;
+}
+
+bool X11_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    const bool ret = SDL_EGL_SwapBuffers(_this, window->internal->egl_surface);                       \
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+    X11_HandlePresent(window);
+#endif /* SDL_VIDEO_DRIVER_X11_XSYNC */
+
+    return ret;
+}
+
+SDL_EGL_MakeCurrent_impl(X11)
+
+#endif // SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_OPENGL_EGL
+

vendor/sdl-3.2.10/src/video/x11/SDL_x11opengles.h

@@ -0,0 +1,55 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11opengles_h_
+#define SDL_x11opengles_h_
+
+#ifdef SDL_VIDEO_OPENGL_EGL
+
+#include "../SDL_sysvideo.h"
+#include "../SDL_egl_c.h"
+
+typedef struct SDL_PrivateGLESData
+{
+    // 1401 If the struct-declaration-list contains no named members, the behavior is undefined.
+    // warning: empty struct has size 0 in C, size 1 in C++ [-Wc++-compat]
+    int dummy;
+} SDL_PrivateGLESData;
+
+// OpenGLES functions
+#define X11_GLES_GetAttribute    SDL_EGL_GetAttribute
+#define X11_GLES_GetProcAddress  SDL_EGL_GetProcAddressInternal
+#define X11_GLES_UnloadLibrary   SDL_EGL_UnloadLibrary
+#define X11_GLES_SetSwapInterval SDL_EGL_SetSwapInterval
+#define X11_GLES_GetSwapInterval SDL_EGL_GetSwapInterval
+#define X11_GLES_DestroyContext   SDL_EGL_DestroyContext
+
+extern bool X11_GLES_LoadLibrary(SDL_VideoDevice *_this, const char *path);
+extern XVisualInfo *X11_GLES_GetVisual(SDL_VideoDevice *_this, Display *display, int screen, bool transparent);
+extern SDL_GLContext X11_GLES_CreateContext(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GLES_SwapWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GLES_MakeCurrent(SDL_VideoDevice *_this, SDL_Window *window, SDL_GLContext context);
+extern SDL_EGLSurface X11_GLES_GetEGLSurface(SDL_VideoDevice *_this, SDL_Window *window);
+
+#endif // SDL_VIDEO_OPENGL_EGL
+
+#endif // SDL_x11opengles_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11pen.c

@@ -0,0 +1,437 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#include "../../events/SDL_pen_c.h"
+#include "../SDL_sysvideo.h"
+#include "SDL_x11pen.h"
+#include "SDL_x11video.h"
+#include "SDL_x11xinput2.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+
+// Does this device have a valuator for pressure sensitivity?
+static bool X11_XInput2DeviceIsPen(SDL_VideoDevice *_this, const XIDeviceInfo *dev)
+{
+    const SDL_VideoData *data = _this->internal;
+    for (int i = 0; i < dev->num_classes; i++) {
+        const XIAnyClassInfo *classinfo = dev->classes[i];
+        if (classinfo->type == XIValuatorClass) {
+            const XIValuatorClassInfo *val_classinfo = (const XIValuatorClassInfo *)classinfo;
+            if (val_classinfo->label == data->atoms.pen_atom_abs_pressure) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+// Heuristically determines if device is an eraser
+static bool X11_XInput2PenIsEraser(SDL_VideoDevice *_this, int deviceid, char *devicename)
+{
+    #define PEN_ERASER_NAME_TAG  "eraser" // String constant to identify erasers
+    SDL_VideoData *data = _this->internal;
+
+    if (data->atoms.pen_atom_wacom_tool_type != None) {
+        Atom type_return;
+        int format_return;
+        unsigned long num_items_return;
+        unsigned long bytes_after_return;
+        unsigned char *tooltype_name_info = NULL;
+
+        // Try Wacom-specific method
+        if (Success == X11_XIGetProperty(data->display, deviceid,
+                                         data->atoms.pen_atom_wacom_tool_type,
+                                         0, 32, False,
+                                         AnyPropertyType, &type_return, &format_return,
+                                         &num_items_return, &bytes_after_return,
+                                         &tooltype_name_info) &&
+            tooltype_name_info != NULL && num_items_return > 0) {
+
+            bool result = false;
+            char *tooltype_name = NULL;
+
+            if (type_return == XA_ATOM) {
+                // Atom instead of string?  Un-intern
+                Atom atom = *((Atom *)tooltype_name_info);
+                if (atom != None) {
+                    tooltype_name = X11_XGetAtomName(data->display, atom);
+                }
+            } else if (type_return == XA_STRING && format_return == 8) {
+                tooltype_name = (char *)tooltype_name_info;
+            }
+
+            if (tooltype_name) {
+                if (SDL_strcasecmp(tooltype_name, PEN_ERASER_NAME_TAG) == 0) {
+                    result = true;
+                }
+                if (tooltype_name != (char *)tooltype_name_info) {
+                    X11_XFree(tooltype_name_info);
+                }
+                X11_XFree(tooltype_name);
+
+                return result;
+            }
+        }
+    }
+
+    // Non-Wacom device?
+
+    /* We assume that a device is an eraser if its name contains the string "eraser".
+     * Unfortunately there doesn't seem to be a clean way to distinguish these cases (as of 2022-03). */
+    return (SDL_strcasestr(devicename, PEN_ERASER_NAME_TAG)) ? true : false;
+}
+
+// Read out an integer property and store into a preallocated Sint32 array, extending 8 and 16 bit values suitably.
+// Returns number of Sint32s written (<= max_words), or 0 on error.
+static size_t X11_XInput2PenGetIntProperty(SDL_VideoDevice *_this, int deviceid, Atom property, Sint32 *dest, size_t max_words)
+{
+    const SDL_VideoData *data = _this->internal;
+    Atom type_return;
+    int format_return;
+    unsigned long num_items_return;
+    unsigned long bytes_after_return;
+    unsigned char *output;
+
+    if (property == None) {
+        return 0;
+    }
+
+    if (Success != X11_XIGetProperty(data->display, deviceid,
+                                     property,
+                                     0, max_words, False,
+                                     XA_INTEGER, &type_return, &format_return,
+                                     &num_items_return, &bytes_after_return,
+                                     &output) ||
+        num_items_return == 0 || output == NULL) {
+        return 0;
+    }
+
+    if (type_return == XA_INTEGER) {
+        int k;
+        const int to_copy = SDL_min(max_words, num_items_return);
+
+        if (format_return == 8) {
+            Sint8 *numdata = (Sint8 *)output;
+            for (k = 0; k < to_copy; ++k) {
+                dest[k] = numdata[k];
+            }
+        } else if (format_return == 16) {
+            Sint16 *numdata = (Sint16 *)output;
+            for (k = 0; k < to_copy; ++k) {
+                dest[k] = numdata[k];
+            }
+        } else {
+            SDL_memcpy(dest, output, sizeof(Sint32) * to_copy);
+        }
+        X11_XFree(output);
+        return to_copy;
+    }
+
+    return 0; // type mismatch
+}
+
+// Identify Wacom devices (if true is returned) and extract their device type and serial IDs
+static bool X11_XInput2PenWacomDeviceID(SDL_VideoDevice *_this, int deviceid, Uint32 *wacom_devicetype_id, Uint32 *wacom_serial)
+{
+    SDL_VideoData *data = _this->internal;
+    Sint32 serial_id_buf[3];
+    int result;
+
+    if ((result = X11_XInput2PenGetIntProperty(_this, deviceid, data->atoms.pen_atom_wacom_serial_ids, serial_id_buf, 3)) == 3) {
+        *wacom_devicetype_id = serial_id_buf[2];
+        *wacom_serial = serial_id_buf[1];
+        return true;
+    }
+
+    *wacom_devicetype_id = *wacom_serial = 0;
+    return false;
+}
+
+
+typedef struct FindPenByDeviceIDData
+{
+    int x11_deviceid;
+    void *handle;
+} FindPenByDeviceIDData;
+
+static bool FindPenByDeviceID(void *handle, void *userdata)
+{
+    const X11_PenHandle *x11_handle = (const X11_PenHandle *) handle;
+    FindPenByDeviceIDData *data = (FindPenByDeviceIDData *) userdata;
+    if (x11_handle->x11_deviceid != data->x11_deviceid) {
+        return false;
+    }
+    data->handle = handle;
+    return true;
+}
+
+X11_PenHandle *X11_FindPenByDeviceID(int deviceid)
+{
+    FindPenByDeviceIDData data;
+    data.x11_deviceid = deviceid;
+    data.handle = NULL;
+    SDL_FindPenByCallback(FindPenByDeviceID, &data);
+    return (X11_PenHandle *) data.handle;
+}
+
+static X11_PenHandle *X11_MaybeAddPen(SDL_VideoDevice *_this, const XIDeviceInfo *dev)
+{
+    SDL_VideoData *data = _this->internal;
+    SDL_PenCapabilityFlags capabilities = 0;
+    X11_PenHandle *handle = NULL;
+
+    if ((dev->use != XISlavePointer && (dev->use != XIFloatingSlave)) || dev->enabled == 0 || !X11_XInput2DeviceIsPen(_this, dev)) {
+        return NULL;  // Only track physical devices that are enabled and look like pens
+    } else if ((handle = X11_FindPenByDeviceID(dev->deviceid)) != 0) {
+        return handle;  // already have this pen, skip it.
+    } else if ((handle = SDL_calloc(1, sizeof (*handle))) == NULL) {
+        return NULL;  // oh well.
+    }
+
+    for (int i = 0; i < SDL_arraysize(handle->valuator_for_axis); i++) {
+        handle->valuator_for_axis[i] = SDL_X11_PEN_AXIS_VALUATOR_MISSING;  // until proven otherwise
+    }
+
+    int total_buttons = 0;
+    for (int i = 0; i < dev->num_classes; i++) {
+        const XIAnyClassInfo *classinfo = dev->classes[i];
+        if (classinfo->type == XIButtonClass) {
+            const XIButtonClassInfo *button_classinfo = (const XIButtonClassInfo *)classinfo;
+            total_buttons += button_classinfo->num_buttons;
+        } else if (classinfo->type == XIValuatorClass) {
+            const XIValuatorClassInfo *val_classinfo = (const XIValuatorClassInfo *)classinfo;
+            const Sint8 valuator_nr = val_classinfo->number;
+            const Atom vname = val_classinfo->label;
+            const float min = (float)val_classinfo->min;
+            const float max = (float)val_classinfo->max;
+            bool use_this_axis = true;
+            SDL_PenAxis axis = SDL_PEN_AXIS_COUNT;
+
+            // afaict, SDL_PEN_AXIS_DISTANCE is never reported by XInput2 (Wayland can offer it, though)
+            if (vname == data->atoms.pen_atom_abs_pressure) {
+                axis = SDL_PEN_AXIS_PRESSURE;
+            } else if (vname == data->atoms.pen_atom_abs_tilt_x) {
+                axis = SDL_PEN_AXIS_XTILT;
+            } else if (vname == data->atoms.pen_atom_abs_tilt_y) {
+                axis = SDL_PEN_AXIS_YTILT;
+            } else {
+                use_this_axis = false;
+            }
+
+            // !!! FIXME: there are wacom-specific hacks for getting SDL_PEN_AXIS_(ROTATION|SLIDER) on some devices, but for simplicity, we're skipping all that for now.
+
+            if (use_this_axis) {
+                capabilities |= SDL_GetPenCapabilityFromAxis(axis);
+                handle->valuator_for_axis[axis] = valuator_nr;
+                handle->axis_min[axis] = min;
+                handle->axis_max[axis] = max;
+            }
+        }
+    }
+
+    // We have a pen if and only if the device measures pressure.
+    // We checked this in X11_XInput2DeviceIsPen, so just assert it here.
+    SDL_assert(capabilities & SDL_PEN_CAPABILITY_PRESSURE);
+
+    const bool is_eraser = X11_XInput2PenIsEraser(_this, dev->deviceid, dev->name);
+    Uint32 wacom_devicetype_id = 0;
+    Uint32 wacom_serial = 0;
+    X11_XInput2PenWacomDeviceID(_this, dev->deviceid, &wacom_devicetype_id, &wacom_serial);
+
+    SDL_PenInfo peninfo;
+    SDL_zero(peninfo);
+    peninfo.capabilities = capabilities;
+    peninfo.max_tilt = -1;
+    peninfo.wacom_id = wacom_devicetype_id;
+    peninfo.num_buttons = total_buttons;
+    peninfo.subtype = is_eraser ? SDL_PEN_TYPE_ERASER : SDL_PEN_TYPE_PEN;
+    if (is_eraser) {
+        peninfo.capabilities |= SDL_PEN_CAPABILITY_ERASER;
+    }
+
+    handle->is_eraser = is_eraser;
+    handle->x11_deviceid = dev->deviceid;
+
+    handle->pen = SDL_AddPenDevice(0, dev->name, &peninfo, handle);
+    if (!handle->pen) {
+        SDL_free(handle);
+        return NULL;
+    }
+
+    return handle;
+}
+
+X11_PenHandle *X11_MaybeAddPenByDeviceID(SDL_VideoDevice *_this, int deviceid)
+{
+    SDL_VideoData *data = _this->internal;
+    int num_device_info = 0;
+    XIDeviceInfo *device_info = X11_XIQueryDevice(data->display, deviceid, &num_device_info);
+    if (device_info) {
+        SDL_assert(num_device_info == 1);
+        X11_PenHandle *handle = X11_MaybeAddPen(_this, device_info);
+        X11_XIFreeDeviceInfo(device_info);
+        return handle;
+    }
+    return NULL;
+}
+
+void X11_RemovePenByDeviceID(int deviceid)
+{
+    X11_PenHandle *handle = X11_FindPenByDeviceID(deviceid);
+    if (handle) {
+        SDL_RemovePenDevice(0, handle->pen);
+        SDL_free(handle);
+    }
+}
+
+void X11_InitPen(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+
+    #define LOOKUP_PEN_ATOM(X) X11_XInternAtom(data->display, X, False)
+    data->atoms.pen_atom_device_product_id = LOOKUP_PEN_ATOM("Device Product ID");
+    data->atoms.pen_atom_wacom_serial_ids = LOOKUP_PEN_ATOM("Wacom Serial IDs");
+    data->atoms.pen_atom_wacom_tool_type = LOOKUP_PEN_ATOM("Wacom Tool Type");
+    data->atoms.pen_atom_abs_pressure = LOOKUP_PEN_ATOM("Abs Pressure");
+    data->atoms.pen_atom_abs_tilt_x = LOOKUP_PEN_ATOM("Abs Tilt X");
+    data->atoms.pen_atom_abs_tilt_y = LOOKUP_PEN_ATOM("Abs Tilt Y");
+    #undef LOOKUP_PEN_ATOM
+
+    // Do an initial check on devices. After this, we'll add/remove individual pens when XI_HierarchyChanged events alert us.
+    int num_device_info = 0;
+    XIDeviceInfo *device_info = X11_XIQueryDevice(data->display, XIAllDevices, &num_device_info);
+    if (device_info) {
+        for (int i = 0; i < num_device_info; i++) {
+            X11_MaybeAddPen(_this, &device_info[i]);
+        }
+        X11_XIFreeDeviceInfo(device_info);
+    }
+}
+
+static void X11_FreePenHandle(SDL_PenID instance_id, void *handle, void *userdata)
+{
+    SDL_free(handle);
+}
+
+void X11_QuitPen(SDL_VideoDevice *_this)
+{
+    SDL_RemoveAllPenDevices(X11_FreePenHandle, NULL);
+}
+
+static void X11_XInput2NormalizePenAxes(const X11_PenHandle *pen, float *coords)
+{
+    // Normalise axes
+    for (int axis = 0; axis < SDL_PEN_AXIS_COUNT; ++axis) {
+        const int valuator = pen->valuator_for_axis[axis];
+        if (valuator == SDL_X11_PEN_AXIS_VALUATOR_MISSING) {
+            continue;
+        }
+
+        float value = coords[axis];
+        const float min = pen->axis_min[axis];
+        const float max = pen->axis_max[axis];
+
+        if (axis == SDL_PEN_AXIS_SLIDER) {
+            value += pen->slider_bias;
+        }
+
+        // min ... 0 ... max
+        if (min < 0.0) {
+            // Normalise so that 0 remains 0.0
+            if (value < 0) {
+                value = value / (-min);
+            } else {
+                if (max == 0.0f) {
+                    value = 0.0f;
+                } else {
+                    value = value / max;
+                }
+            }
+        } else {
+            // 0 ... min ... max
+            // including 0.0 = min
+            if (max == 0.0f) {
+                value = 0.0f;
+            } else {
+                value = (value - min) / max;
+            }
+        }
+
+        switch (axis) {
+            case SDL_PEN_AXIS_XTILT:
+            case SDL_PEN_AXIS_YTILT:
+                //if (peninfo->info.max_tilt > 0.0f) {
+                //    value *= peninfo->info.max_tilt; // normalize to physical max
+                //}
+                break;
+
+            case SDL_PEN_AXIS_ROTATION:
+                // normalised to -1..1, so let's convert to degrees
+                value *= 180.0f;
+                value += pen->rotation_bias;
+
+                // handle simple over/underflow
+                if (value >= 180.0f) {
+                    value -= 360.0f;
+                } else if (value < -180.0f) {
+                    value += 360.0f;
+                }
+                break;
+
+            default:
+                break;
+        }
+
+        coords[axis] = value;
+    }
+}
+
+void X11_PenAxesFromValuators(const X11_PenHandle *pen,
+                              const double *input_values, const unsigned char *mask, int mask_len,
+                              float axis_values[SDL_PEN_AXIS_COUNT])
+{
+    for (int i = 0; i < SDL_PEN_AXIS_COUNT; i++) {
+        const int valuator = pen->valuator_for_axis[i];
+        if ((valuator == SDL_X11_PEN_AXIS_VALUATOR_MISSING) || (valuator >= mask_len * 8) || !(XIMaskIsSet(mask, valuator))) {
+            axis_values[i] = 0.0f;
+        } else {
+            axis_values[i] = (float)input_values[valuator];
+        }
+    }
+    X11_XInput2NormalizePenAxes(pen, axis_values);
+}
+
+#else
+
+void X11_InitPen(SDL_VideoDevice *_this)
+{
+    (void) _this;
+}
+
+void X11_QuitPen(SDL_VideoDevice *_this)
+{
+    (void) _this;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2
+

vendor/sdl-3.2.10/src/video/x11/SDL_x11pen.h

@@ -0,0 +1,72 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "../../SDL_internal.h"
+
+#ifndef SDL_x11pen_h_
+#define SDL_x11pen_h_
+
+// Pressure-sensitive pen support for X11.
+
+#include "SDL_x11video.h"
+#include "../../events/SDL_pen_c.h"
+
+// Prep pen support (never fails; pens simply won't be added if there's a problem).
+extern void X11_InitPen(SDL_VideoDevice *_this);
+
+// Clean up pen support.
+extern void X11_QuitPen(SDL_VideoDevice *_this);
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+
+// Forward definition for SDL_x11video.h
+struct SDL_VideoData;
+
+#define SDL_X11_PEN_AXIS_VALUATOR_MISSING -1
+
+typedef struct X11_PenHandle
+{
+    SDL_PenID pen;
+    bool is_eraser;
+    int x11_deviceid;
+    int valuator_for_axis[SDL_PEN_AXIS_COUNT];
+    float slider_bias;      // shift value to add to PEN_AXIS_SLIDER (before normalisation)
+    float rotation_bias;    // rotation to add to PEN_AXIS_ROTATION  (after normalisation)
+    float axis_min[SDL_PEN_AXIS_COUNT];
+    float axis_max[SDL_PEN_AXIS_COUNT];
+} X11_PenHandle;
+
+// Converts XINPUT2 valuators into pen axis information, including normalisation.
+extern void X11_PenAxesFromValuators(const X11_PenHandle *pen,
+                                     const double *input_values, const unsigned char *mask, int mask_len,
+                                     float axis_values[SDL_PEN_AXIS_COUNT]);
+
+// Add a pen (if this function's further checks validate it).
+extern X11_PenHandle *X11_MaybeAddPenByDeviceID(SDL_VideoDevice *_this, int deviceid);
+
+// Remove a pen. It's okay if deviceid is bogus or not a pen, we'll check it.
+extern void X11_RemovePenByDeviceID(int deviceid);
+
+// Map X11 device ID to pen ID.
+extern X11_PenHandle *X11_FindPenByDeviceID(int deviceid);
+
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2
+
+#endif // SDL_x11pen_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11settings.c

@@ -0,0 +1,129 @@
+/*
+  Simple DirectMedia Layer
+  Copyright 2024 Igalia S.L.
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#if defined(SDL_VIDEO_DRIVER_X11)
+
+#include "SDL_x11video.h"
+#include "SDL_x11settings.h"
+
+#define SDL_XSETTINGS_GDK_WINDOW_SCALING_FACTOR "Gdk/WindowScalingFactor"
+#define SDL_XSETTINGS_XFT_DPI "Xft/DPI"
+
+static void X11_XsettingsNotify(const char *name, XSettingsAction action, XSettingsSetting *setting, void *data)
+{
+    SDL_VideoDevice *_this = data;
+    float scale_factor = 1.0;
+    int i;
+
+    if (SDL_strcmp(name, SDL_XSETTINGS_GDK_WINDOW_SCALING_FACTOR) != 0 ||
+        SDL_strcmp(name, SDL_XSETTINGS_XFT_DPI) != 0) {
+        return;
+    }
+
+    if (setting->type != XSETTINGS_TYPE_INT) {
+        return;
+    }
+
+    switch (action) {
+    case XSETTINGS_ACTION_NEW:
+        SDL_FALLTHROUGH;
+    case XSETTINGS_ACTION_CHANGED:
+        scale_factor = setting->data.v_int;
+        if (SDL_strcmp(name, SDL_XSETTINGS_XFT_DPI) == 0) {
+            scale_factor = scale_factor / 1024.0f / 96.0f;
+        }
+        break;
+    case XSETTINGS_ACTION_DELETED:
+        scale_factor = 1.0;
+        break;
+    }
+
+    if (_this) {
+        for (i = 0; i < _this->num_displays; ++i) {
+            SDL_SetDisplayContentScale(_this->displays[i], scale_factor);
+        }
+    }
+}
+
+void X11_InitXsettings(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+    SDLX11_SettingsData *xsettings_data = &data->xsettings_data;
+
+    xsettings_data->xsettings = xsettings_client_new(data->display,
+        DefaultScreen(data->display), X11_XsettingsNotify, NULL, _this);
+
+}
+
+void X11_QuitXsettings(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+    SDLX11_SettingsData *xsettings_data = &data->xsettings_data;
+
+    if (xsettings_data->xsettings) {
+        xsettings_client_destroy(xsettings_data->xsettings);
+        xsettings_data->xsettings = NULL;
+    }
+}
+
+void X11_HandleXsettings(SDL_VideoDevice *_this, const XEvent *xevent)
+{
+    SDL_VideoData *data = _this->internal;
+    SDLX11_SettingsData *xsettings_data = &data->xsettings_data;
+
+    if (xsettings_data->xsettings) {
+        if (!xsettings_client_process_event(xsettings_data->xsettings, xevent)) {
+            xsettings_client_destroy(xsettings_data->xsettings);
+            xsettings_data->xsettings = NULL;
+        }
+    }
+}
+
+int X11_GetXsettingsIntKey(SDL_VideoDevice *_this, const char *key, int fallback_value) {
+    SDL_VideoData *data = _this->internal;
+    SDLX11_SettingsData *xsettings_data = &data->xsettings_data;
+    XSettingsSetting *setting = NULL;
+    int res = fallback_value;
+
+
+    if (xsettings_data->xsettings) {
+        if (xsettings_client_get_setting(xsettings_data->xsettings, key, &setting) != XSETTINGS_SUCCESS) {
+            goto no_key;
+        }
+
+        if (setting->type != XSETTINGS_TYPE_INT) {
+            goto no_key;
+        }
+
+        res = setting->data.v_int;
+    }
+
+no_key:
+    if (setting) {
+        xsettings_setting_free(setting);
+    }
+
+    return res;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11settings.h

@@ -0,0 +1,39 @@
+/*
+  Simple DirectMedia Layer
+  Copyright 2024 Igalia S.L.
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#ifndef SDL_x11settings_h_
+#define SDL_x11settings_h_
+
+#include <X11/Xlib.h>
+#include "xsettings-client.h"
+
+typedef struct X11_SettingsData {
+    XSettingsClient *xsettings;
+} SDLX11_SettingsData;
+
+extern void X11_InitXsettings(SDL_VideoDevice *_this);
+extern void X11_QuitXsettings(SDL_VideoDevice *_this);
+extern void X11_HandleXsettings(SDL_VideoDevice *_this, const XEvent *xevent);
+extern int X11_GetXsettingsIntKey(SDL_VideoDevice *_this, const char *key, int fallback_value);
+
+#endif // SDL_x11settings_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11shape.c

@@ -0,0 +1,111 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11video.h"
+#include "SDL_x11shape.h"
+
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSHAPE
+static Uint8 *GenerateShapeMask(SDL_Surface *shape)
+{
+    int x, y;
+    const size_t ppb = 8;
+    const size_t bytes_per_scanline = (shape->w + (ppb - 1)) / ppb;
+    const Uint8 *a;
+    Uint8 *mask;
+    Uint8 *mask_scanline;
+    Uint8 mask_value;
+
+    mask = (Uint8 *)SDL_calloc(1, shape->h * bytes_per_scanline);
+    if (mask) {
+        for (y = 0; y < shape->h; y++) {
+            a = (const Uint8 *)shape->pixels + y * shape->pitch;
+            mask_scanline = mask + y * bytes_per_scanline;
+            for (x = 0; x < shape->w; x++) {
+                mask_value = (*a == SDL_ALPHA_TRANSPARENT) ? 0 : 1;
+                mask_scanline[x / ppb] |= mask_value << (x % ppb);
+                a += 4;
+            }
+        }
+    }
+    return mask;
+}
+#endif // SDL_VIDEO_DRIVER_X11_XSHAPE
+
+bool X11_UpdateWindowShape(SDL_VideoDevice *_this, SDL_Window *window, SDL_Surface *shape)
+{
+    bool result = false;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSHAPE
+    SDL_WindowData *windowdata = window->internal;
+
+    // Generate a set of spans for the region
+    if (shape) {
+        SDL_Surface *stretched = NULL;
+        Uint8 *mask;
+        Pixmap pixmap;
+
+        if (shape->w != window->w || shape->h != window->h) {
+            stretched = SDL_CreateSurface(window->w, window->h, SDL_PIXELFORMAT_ARGB32);
+            if (!stretched) {
+                return false;
+            }
+            if (!SDL_StretchSurface(shape, NULL, stretched, NULL, SDL_SCALEMODE_LINEAR)) {
+                SDL_DestroySurface(stretched);
+                return false;
+            }
+            shape = stretched;
+        }
+
+        mask = GenerateShapeMask(shape);
+        if (mask) {
+            pixmap = X11_XCreateBitmapFromData(windowdata->videodata->display, windowdata->xwindow, (const char *)mask, shape->w, shape->h);
+            X11_XShapeCombineMask(windowdata->videodata->display, windowdata->xwindow, ShapeInput, 0, 0, pixmap, ShapeSet);
+            SDL_free(mask);
+
+            result = true;
+        }
+
+        if (stretched) {
+            SDL_DestroySurface(stretched);
+        }
+    } else {
+        Region region = X11_XCreateRegion();
+        XRectangle rect;
+
+        rect.x = 0;
+        rect.y = 0;
+        rect.width = window->w;
+        rect.height = window->h;
+        X11_XUnionRectWithRegion(&rect, region, region);
+        X11_XShapeCombineRegion(windowdata->videodata->display, windowdata->xwindow, ShapeInput, 0, 0, region, ShapeSet);
+        X11_XDestroyRegion(region);
+        result = true;
+    }
+#endif // SDL_VIDEO_DRIVER_X11_XSHAPE
+
+    return result;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11shape.h

@@ -0,0 +1,28 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11shape_h_
+#define SDL_x11shape_h_
+
+extern bool X11_UpdateWindowShape(SDL_VideoDevice *_this, SDL_Window *window, SDL_Surface *shape);
+
+#endif // SDL_x11shape_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11sym.h

@@ -0,0 +1,354 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+/* *INDENT-OFF* */ // clang-format off
+
+#ifndef SDL_X11_MODULE
+#define SDL_X11_MODULE(modname)
+#endif
+
+#ifndef SDL_X11_SYM
+#define SDL_X11_SYM(rc,fn,params,args,ret)
+#endif
+
+SDL_X11_MODULE(BASEXLIB)
+SDL_X11_SYM(XSizeHints*,XAllocSizeHints,(void),(),return)
+SDL_X11_SYM(XWMHints*,XAllocWMHints,(void),(),return)
+SDL_X11_SYM(XClassHint*,XAllocClassHint,(void),(),return)
+SDL_X11_SYM(int,XChangePointerControl,(Display* a,Bool b,Bool c,int d,int e,int f),(a,b,c,d,e,f),return)
+SDL_X11_SYM(int,XChangeProperty,(Display* a,Window b,Atom c,Atom d,int e,int f,_Xconst unsigned char* g,int h),(a,b,c,d,e,f,g,h),return)
+SDL_X11_SYM(Bool,XCheckIfEvent,(Display* a,XEvent *b,Bool (*c)(Display*,XEvent*,XPointer),XPointer d),(a,b,c,d),return)
+SDL_X11_SYM(int,XClearWindow,(Display* a,Window b),(a,b),return)
+SDL_X11_SYM(int,XCloseDisplay,(Display* a),(a),return)
+SDL_X11_SYM(int,XConvertSelection,(Display* a,Atom b,Atom c,Atom d,Window e,Time f),(a,b,c,d,e,f),return)
+SDL_X11_SYM(Pixmap,XCreateBitmapFromData,(Display *dpy,Drawable d,_Xconst char *data,unsigned int width,unsigned int height),(dpy,d,data,width,height),return)
+SDL_X11_SYM(Colormap,XCreateColormap,(Display* a,Window b,Visual* c,int d),(a,b,c,d),return)
+SDL_X11_SYM(Cursor,XCreatePixmapCursor,(Display* a,Pixmap b,Pixmap c,XColor* d,XColor* e,unsigned int f,unsigned int g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(Cursor,XCreateFontCursor,(Display* a,unsigned int b),(a,b),return)
+SDL_X11_SYM(XFontSet,XCreateFontSet,(Display* a, _Xconst char* b, char*** c, int* d, char** e),(a,b,c,d,e),return)
+SDL_X11_SYM(GC,XCreateGC,(Display* a,Drawable b,unsigned long c,XGCValues* d),(a,b,c,d),return)
+SDL_X11_SYM(XImage*,XCreateImage,(Display* a,Visual* b,unsigned int c,int d,int e,char* f,unsigned int g,unsigned int h,int i,int j),(a,b,c,d,e,f,g,h,i,j),return)
+SDL_X11_SYM(Window,XCreateWindow,(Display* a,Window b,int c,int d,unsigned int e,unsigned int f,unsigned int g,int h,unsigned int i,Visual* j,unsigned long k,XSetWindowAttributes* l),(a,b,c,d,e,f,g,h,i,j,k,l),return)
+SDL_X11_SYM(int,XDefineCursor,(Display* a,Window b,Cursor c),(a,b,c),return)
+SDL_X11_SYM(int,XDeleteProperty,(Display* a,Window b,Atom c),(a,b,c),return)
+SDL_X11_SYM(int,XDestroyWindow,(Display* a,Window b),(a,b),return)
+SDL_X11_SYM(int,XDisplayKeycodes,(Display* a,int* b,int* c),(a,b,c),return)
+SDL_X11_SYM(int,XDrawRectangle,(Display* a,Drawable b,GC c,int d,int e,unsigned int f,unsigned int g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(char*,XDisplayName,(_Xconst char* a),(a),return)
+SDL_X11_SYM(int,XDrawString,(Display* a,Drawable b,GC c,int d,int e,_Xconst char* f,int g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(int,XEventsQueued,(Display* a,int b),(a,b),return)
+SDL_X11_SYM(int,XFillRectangle,(Display* a,Drawable b,GC c,int d,int e,unsigned int f,unsigned int g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(Bool,XFilterEvent,(XEvent *event,Window w),(event,w),return)
+SDL_X11_SYM(int,XFlush,(Display* a),(a),return)
+SDL_X11_SYM(int,XFree,(void*a),(a),return)
+SDL_X11_SYM(int,XFreeCursor,(Display* a,Cursor b),(a,b),return)
+SDL_X11_SYM(void,XFreeFontSet,(Display* a, XFontSet b),(a,b),)
+SDL_X11_SYM(int,XFreeGC,(Display* a,GC b),(a,b),return)
+SDL_X11_SYM(int,XFreeFont,(Display* a, XFontStruct* b),(a,b),return)
+SDL_X11_SYM(int,XFreeModifiermap,(XModifierKeymap* a),(a),return)
+SDL_X11_SYM(int,XFreePixmap,(Display* a,Pixmap b),(a,b),return)
+SDL_X11_SYM(void,XFreeStringList,(char** a),(a),)
+SDL_X11_SYM(char*,XGetAtomName,(Display *a,Atom b),(a,b),return)
+SDL_X11_SYM(int,XGetInputFocus,(Display *a,Window *b,int *c),(a,b,c),return)
+SDL_X11_SYM(int,XGetErrorDatabaseText,(Display* a,_Xconst char* b,_Xconst char* c,_Xconst char* d,char* e,int f),(a,b,c,d,e,f),return)
+SDL_X11_SYM(XModifierKeymap*,XGetModifierMapping,(Display* a),(a),return)
+SDL_X11_SYM(int,XGetPointerControl,(Display* a,int* b,int* c,int* d),(a,b,c,d),return)
+SDL_X11_SYM(Window,XGetSelectionOwner,(Display* a,Atom b),(a,b),return)
+SDL_X11_SYM(XVisualInfo*,XGetVisualInfo,(Display* a,long b,XVisualInfo* c,int* d),(a,b,c,d),return)
+SDL_X11_SYM(Status,XGetWindowAttributes,(Display* a,Window b,XWindowAttributes* c),(a,b,c),return)
+SDL_X11_SYM(int,XGetWindowProperty,(Display* a,Window b,Atom c,long d,long e,Bool f,Atom g,Atom* h,int* i,unsigned long* j,unsigned long *k,unsigned char **l),(a,b,c,d,e,f,g,h,i,j,k,l),return)
+SDL_X11_SYM(XWMHints*,XGetWMHints,(Display* a,Window b),(a,b),return)
+SDL_X11_SYM(Status,XGetWMNormalHints,(Display *a,Window b, XSizeHints *c, long *d),(a,b,c,d),return)
+SDL_X11_SYM(int,XIfEvent,(Display* a,XEvent *b,Bool (*c)(Display*,XEvent*,XPointer),XPointer d),(a,b,c,d),return)
+SDL_X11_SYM(int,XGrabKeyboard,(Display* a,Window b,Bool c,int d,int e,Time f),(a,b,c,d,e,f),return)
+SDL_X11_SYM(int,XGrabPointer,(Display* a,Window b,Bool c,unsigned int d,int e,int f,Window g,Cursor h,Time i),(a,b,c,d,e,f,g,h,i),return)
+SDL_X11_SYM(int,XGrabServer,(Display* a),(a),return)
+SDL_X11_SYM(Status,XIconifyWindow,(Display* a,Window b,int c),(a,b,c),return)
+SDL_X11_SYM(KeyCode,XKeysymToKeycode,(Display* a,KeySym b),(a,b),return)
+SDL_X11_SYM(char*,XKeysymToString,(KeySym a),(a),return)
+SDL_X11_SYM(int,XInstallColormap,(Display* a,Colormap b),(a,b),return)
+SDL_X11_SYM(Atom,XInternAtom,(Display* a,_Xconst char* b,Bool c),(a,b,c),return)
+SDL_X11_SYM(XPixmapFormatValues*,XListPixmapFormats,(Display* a,int* b),(a,b),return)
+SDL_X11_SYM(XFontStruct*,XLoadQueryFont,(Display* a,_Xconst char* b),(a,b),return)
+SDL_X11_SYM(KeySym,XLookupKeysym,(XKeyEvent* a,int b),(a,b),return)
+SDL_X11_SYM(int,XLookupString,(XKeyEvent* a,char* b,int c,KeySym* d,XComposeStatus* e),(a,b,c,d,e),return)
+SDL_X11_SYM(int,XMapRaised,(Display* a,Window b),(a,b),return)
+SDL_X11_SYM(Status,XMatchVisualInfo,(Display* a,int b,int c,int d,XVisualInfo* e),(a,b,c,d,e),return)
+SDL_X11_SYM(int,XMissingExtension,(Display* a,_Xconst char* b),(a,b),return)
+SDL_X11_SYM(int,XMoveWindow,(Display* a,Window b,int c,int d),(a,b,c,d),return)
+SDL_X11_SYM(Display*,XOpenDisplay,(_Xconst char* a),(a),return)
+SDL_X11_SYM(Status,XInitThreads,(void),(),return)
+SDL_X11_SYM(int,XPeekEvent,(Display* a,XEvent* b),(a,b),return)
+SDL_X11_SYM(int,XPending,(Display* a),(a),return)
+SDL_X11_SYM(int,XPutImage,(Display* a,Drawable b,GC c,XImage* d,int e,int f,int g,int h,unsigned int i,unsigned int j),(a,b,c,d,e,f,g,h,i,j),return)
+SDL_X11_SYM(int,XQueryKeymap,(Display* a,char b[32]),(a,b),return)
+SDL_X11_SYM(Bool,XQueryPointer,(Display* a,Window b,Window* c,Window* d,int* e,int* f,int* g,int* h,unsigned int* i),(a,b,c,d,e,f,g,h,i),return)
+SDL_X11_SYM(int,XRaiseWindow,(Display* a,Window b),(a,b),return)
+SDL_X11_SYM(int,XReparentWindow,(Display* a,Window b,Window c,int d,int e),(a,b,c,d,e),return)
+SDL_X11_SYM(int,XResetScreenSaver,(Display* a),(a),return)
+SDL_X11_SYM(int,XResizeWindow,(Display* a,Window b,unsigned int c,unsigned int d),(a,b,c,d),return)
+SDL_X11_SYM(int,XScreenNumberOfScreen,(Screen* a),(a),return)
+SDL_X11_SYM(int,XSelectInput,(Display* a,Window b,long c),(a,b,c),return)
+SDL_X11_SYM(Status,XSendEvent,(Display* a,Window b,Bool c,long d,XEvent* e),(a,b,c,d,e),return)
+SDL_X11_SYM(XErrorHandler,XSetErrorHandler,(XErrorHandler a),(a),return)
+SDL_X11_SYM(int,XSetForeground,(Display* a,GC b,unsigned long c),(a,b,c),return)
+SDL_X11_SYM(XIOErrorHandler,XSetIOErrorHandler,(XIOErrorHandler a),(a),return)
+SDL_X11_SYM(int,XSetInputFocus,(Display *a,Window b,int c,Time d),(a,b,c,d),return)
+SDL_X11_SYM(int,XSetSelectionOwner,(Display* a,Atom b,Window c,Time d),(a,b,c,d),return)
+SDL_X11_SYM(int,XSetTransientForHint,(Display* a,Window b,Window c),(a,b,c),return)
+SDL_X11_SYM(void,XSetTextProperty,(Display* a,Window b,XTextProperty* c,Atom d),(a,b,c,d),)
+SDL_X11_SYM(int,XSetWindowBackground,(Display* a,Window b,unsigned long c),(a,b,c),return)
+SDL_X11_SYM(void,XSetWMHints,(Display* a,Window b,XWMHints* c),(a,b,c),)
+SDL_X11_SYM(void,XSetWMNormalHints,(Display* a,Window b,XSizeHints* c),(a,b,c),)
+SDL_X11_SYM(void,XSetWMProperties,(Display* a,Window b,XTextProperty* c,XTextProperty* d,char** e,int f,XSizeHints* g,XWMHints* h,XClassHint* i),(a,b,c,d,e,f,g,h,i),)
+SDL_X11_SYM(Status,XSetWMProtocols,(Display* a,Window b,Atom* c,int d),(a,b,c,d),return)
+SDL_X11_SYM(int,XStoreColors,(Display* a,Colormap b,XColor* c,int d),(a,b,c,d),return)
+SDL_X11_SYM(int,XStoreName,(Display* a,Window b,_Xconst char* c),(a,b,c),return)
+SDL_X11_SYM(Status,XStringListToTextProperty,(char** a,int b,XTextProperty* c),(a,b,c),return)
+SDL_X11_SYM(int,XSync,(Display* a,Bool b),(a,b),return)
+SDL_X11_SYM(int,XTextExtents,(XFontStruct* a,_Xconst char* b,int c,int* d,int* e,int* f,XCharStruct* g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(Bool,XTranslateCoordinates,(Display *a,Window b,Window c,int d,int e,int* f,int* g,Window* h),(a,b,c,d,e,f,g,h),return)
+SDL_X11_SYM(int,XUndefineCursor,(Display* a,Window b),(a,b),return)
+SDL_X11_SYM(int,XUngrabKeyboard,(Display* a,Time b),(a,b),return)
+SDL_X11_SYM(int,XUngrabPointer,(Display* a,Time b),(a,b),return)
+SDL_X11_SYM(int,XUngrabServer,(Display* a),(a),return)
+SDL_X11_SYM(int,XUninstallColormap,(Display* a,Colormap b),(a,b),return)
+SDL_X11_SYM(int,XUnloadFont,(Display* a,Font b),(a,b),return)
+SDL_X11_SYM(int,XWarpPointer,(Display* a,Window b,Window c,int d,int e,unsigned int f,unsigned int g,int h,int i),(a,b,c,d,e,f,g,h,i),return)
+SDL_X11_SYM(int,XWindowEvent,(Display* a,Window b,long c,XEvent* d),(a,b,c,d),return)
+SDL_X11_SYM(Status,XWithdrawWindow,(Display* a,Window b,int c),(a,b,c),return)
+SDL_X11_SYM(VisualID,XVisualIDFromVisual,(Visual* a),(a),return)
+SDL_X11_SYM(char*,XGetDefault,(Display* a,_Xconst char* b, _Xconst char* c),(a,b,c),return)
+SDL_X11_SYM(Bool,XQueryExtension,(Display* a,_Xconst char* b,int* c,int* d,int* e),(a,b,c,d,e),return)
+SDL_X11_SYM(char *,XDisplayString,(Display* a),(a),return)
+SDL_X11_SYM(int,XGetErrorText,(Display* a,int b,char* c,int d),(a,b,c,d),return)
+SDL_X11_SYM(void,_XEatData,(Display* a,unsigned long b),(a,b),)
+SDL_X11_SYM(void,_XFlush,(Display* a),(a),)
+SDL_X11_SYM(void,_XFlushGCCache,(Display* a,GC b),(a,b),)
+SDL_X11_SYM(int,_XRead,(Display* a,char* b,long c),(a,b,c),return)
+SDL_X11_SYM(void,_XReadPad,(Display* a,char* b,long c),(a,b,c),)
+SDL_X11_SYM(void,_XSend,(Display* a,_Xconst char* b,long c),(a,b,c),)
+SDL_X11_SYM(Status,_XReply,(Display* a,xReply* b,int c,Bool d),(a,b,c,d),return)
+SDL_X11_SYM(unsigned long,_XSetLastRequestRead,(Display* a,xGenericReply* b),(a,b),return)
+SDL_X11_SYM(SDL_X11_XSynchronizeRetType,XSynchronize,(Display* a,Bool b),(a,b),return)
+SDL_X11_SYM(SDL_X11_XESetWireToEventRetType,XESetWireToEvent,(Display* a,int b,SDL_X11_XESetWireToEventRetType c),(a,b,c),return)
+SDL_X11_SYM(SDL_X11_XESetEventToWireRetType,XESetEventToWire,(Display* a,int b,SDL_X11_XESetEventToWireRetType c),(a,b,c),return)
+SDL_X11_SYM(void,XRefreshKeyboardMapping,(XMappingEvent *a),(a),)
+SDL_X11_SYM(int,XQueryTree,(Display* a,Window b,Window* c,Window* d,Window** e,unsigned int* f),(a,b,c,d,e,f),return)
+SDL_X11_SYM(Bool,XSupportsLocale,(void),(),return)
+SDL_X11_SYM(Status,XmbTextListToTextProperty,(Display* a,char** b,int c,XICCEncodingStyle d,XTextProperty* e),(a,b,c,d,e),return)
+SDL_X11_SYM(Region,XCreateRegion,(void),(),return)
+SDL_X11_SYM(int,XUnionRectWithRegion,(XRectangle *a, Region b, Region c),(a,b,c), return)
+SDL_X11_SYM(void,XDestroyRegion,(Region),(a),)
+SDL_X11_SYM(void,XrmInitialize,(void),(),)
+SDL_X11_SYM(char*,XResourceManagerString,(Display *display),(display),)
+SDL_X11_SYM(XrmDatabase,XrmGetStringDatabase,(char *data),(data),)
+SDL_X11_SYM(void,XrmDestroyDatabase,(XrmDatabase db),(db),)
+SDL_X11_SYM(Bool,XrmGetResource,(XrmDatabase db, char* str_name, char* str_class, char **str_type_return, XrmValue *),(db, str_name, str_class,str_type_return,value_return),)
+
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+SDL_X11_MODULE(XFIXES)
+SDL_X11_SYM(PointerBarrier, XFixesCreatePointerBarrier, (Display* a, Window b, int c, int d, int e, int f, int g, int h, int *i),(a,b,c,d,e,f,g,h,i),return)
+SDL_X11_SYM(void, XFixesDestroyPointerBarrier, (Display* a, PointerBarrier b), (a,b),)
+SDL_X11_SYM(int, XIBarrierReleasePointer,(Display* a,  int b, PointerBarrier c, BarrierEventID d), (a,b,c,d), return) // this is actually Xinput2
+SDL_X11_SYM(Status, XFixesQueryVersion,(Display* a, int* b, int* c), (a,b,c), return)
+SDL_X11_SYM(Status, XFixesSelectSelectionInput, (Display* a, Window b, Atom c, unsigned long d), (a,b,c,d), return)
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+SDL_X11_MODULE(XSYNC)
+SDL_X11_SYM(Status, XSyncQueryExtension, (Display* a, int* b, int* c), (a, b, c), return)
+SDL_X11_SYM(Status, XSyncInitialize, (Display* a, int* b, int* c), (a, b, c), return)
+SDL_X11_SYM(XSyncCounter, XSyncCreateCounter, (Display* a, XSyncValue b), (a, b), return)
+SDL_X11_SYM(Status, XSyncDestroyCounter, (Display* a, XSyncCounter b), (a, b), return)
+SDL_X11_SYM(Status, XSyncSetCounter, (Display* a, XSyncCounter b, XSyncValue c), (a, b, c), return)
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
+SDL_X11_SYM(Bool,XGetEventData,(Display* a,XGenericEventCookie* b),(a,b),return)
+SDL_X11_SYM(void,XFreeEventData,(Display* a,XGenericEventCookie* b),(a,b),)
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+SDL_X11_SYM(Bool,XkbQueryExtension,(Display* a,int * b,int * c,int * d,int * e, int *f),(a,b,c,d,e,f),return)
+#if NeedWidePrototypes
+SDL_X11_SYM(Bool,XkbLookupKeySym,(Display* a, unsigned int b, unsigned int c, unsigned int* d, KeySym* e),(a,b,c,d,e),return)
+#else
+SDL_X11_SYM(Bool,XkbLookupKeySym,(Display* a, KeyCode b, unsigned int c, unsigned int* d, KeySym* e),(a,b,c,d,e),return)
+#endif
+SDL_X11_SYM(Status,XkbGetState,(Display* a,unsigned int b,XkbStatePtr c),(a,b,c),return)
+SDL_X11_SYM(Status,XkbGetUpdatedMap,(Display* a,unsigned int b,XkbDescPtr c),(a,b,c),return)
+SDL_X11_SYM(XkbDescPtr,XkbGetMap,(Display* a,unsigned int b,unsigned int c),(a,b,c),return)
+SDL_X11_SYM(void,XkbFreeClientMap,(XkbDescPtr a,unsigned int b, Bool c),(a,b,c),)
+SDL_X11_SYM(void,XkbFreeKeyboard,(XkbDescPtr a,unsigned int b, Bool c),(a,b,c),)
+SDL_X11_SYM(Bool,XkbSetDetectableAutoRepeat,(Display* a, Bool b, Bool* c),(a,b,c),return)
+#endif
+
+// XKeycodeToKeysym is a deprecated function
+#ifdef HAVE_GCC_DIAGNOSTIC_PRAGMA
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
+#endif
+#if NeedWidePrototypes
+SDL_X11_SYM(KeySym,XKeycodeToKeysym,(Display* a,unsigned int b,int c),(a,b,c),return)
+#else
+SDL_X11_SYM(KeySym,XKeycodeToKeysym,(Display* a,KeyCode b,int c),(a,b,c),return)
+#endif
+#ifdef HAVE_GCC_DIAGNOSTIC_PRAGMA
+#pragma GCC diagnostic pop
+#endif
+
+#ifdef X_HAVE_UTF8_STRING
+SDL_X11_MODULE(UTF8)
+SDL_X11_SYM(int,Xutf8TextListToTextProperty,(Display* a,char** b,int c,XICCEncodingStyle d,XTextProperty* e),(a,b,c,d,e),return)
+SDL_X11_SYM(int,Xutf8LookupString,(XIC a,XKeyPressedEvent* b,char* c,int d,KeySym* e,Status* f),(a,b,c,d,e,f),return)
+// SDL_X11_SYM(XIC,XCreateIC,(XIM, ...),return)  !!! ARGH!
+SDL_X11_SYM(void,XDestroyIC,(XIC a),(a),)
+/* SDL_X11_SYM(char*,XGetICValues,(XIC, ...),return)  !!! ARGH! */
+/* SDL_X11_SYM(char*,XSetICValues,(XIC, ...),return)  !!! ARGH! */
+/* SDL_X11_SYM(XVaNestedList,XVaCreateNestedList,(int, ...),return)  !!! ARGH! */
+SDL_X11_SYM(void,XSetICFocus,(XIC a),(a),)
+SDL_X11_SYM(void,XUnsetICFocus,(XIC a),(a),)
+SDL_X11_SYM(XIM,XOpenIM,(Display* a,struct _XrmHashBucketRec* b,char* c,char* d),(a,b,c,d),return)
+SDL_X11_SYM(Status,XCloseIM,(XIM a),(a),return)
+SDL_X11_SYM(void,Xutf8DrawString,(Display *a, Drawable b, XFontSet c, GC d, int e, int f, _Xconst char *g, int h),(a,b,c,d,e,f,g,h),)
+SDL_X11_SYM(int,Xutf8TextExtents,(XFontSet a, _Xconst char* b, int c, XRectangle* d, XRectangle* e),(a,b,c,d,e),return)
+SDL_X11_SYM(char*,XSetLocaleModifiers,(const char *a),(a),return)
+SDL_X11_SYM(char*,Xutf8ResetIC,(XIC a),(a),return)
+#endif
+
+#ifndef NO_SHARED_MEMORY
+SDL_X11_MODULE(SHM)
+SDL_X11_SYM(Status,XShmAttach,(Display* a,XShmSegmentInfo* b),(a,b),return)
+SDL_X11_SYM(Status,XShmDetach,(Display* a,XShmSegmentInfo* b),(a,b),return)
+SDL_X11_SYM(Status,XShmPutImage,(Display* a,Drawable b,GC c,XImage* d,int e,int f,int g,int h,unsigned int i,unsigned int j,Bool k),(a,b,c,d,e,f,g,h,i,j,k),return)
+SDL_X11_SYM(XImage*,XShmCreateImage,(Display* a,Visual* b,unsigned int c,int d,char* e,XShmSegmentInfo* f,unsigned int g,unsigned int h),(a,b,c,d,e,f,g,h),return)
+SDL_X11_SYM(Pixmap,XShmCreatePixmap,(Display *a,Drawable b,char* c,XShmSegmentInfo* d, unsigned int e, unsigned int f, unsigned int g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(Bool,XShmQueryExtension,(Display* a),(a),return)
+#endif
+
+/*
+ * Not required...these only exist in code in headers on some 64-bit platforms,
+ *  and are removed via macros elsewhere, so it's safe for them to be missing.
+ */
+#ifdef LONG64
+SDL_X11_MODULE(IO_32BIT)
+SDL_X11_SYM(int,_XData32,(Display *dpy,register _Xconst long *data,unsigned len),(dpy,data,len),return)
+SDL_X11_SYM(void,_XRead32,(Display *dpy,register long *data,long len),(dpy,data,len),)
+#endif
+
+/*
+ * These only show up on some variants of Unix.
+ */
+#ifdef SDL_PLATFORM_OSF
+SDL_X11_MODULE(OSF_ENTRY_POINTS)
+SDL_X11_SYM(void,_SmtBufferOverflow,(Display *dpy,register smtDisplayPtr p),(dpy,p),)
+SDL_X11_SYM(void,_SmtIpError,(Display *dpy,register smtDisplayPtr p,int i),(dpy,p,i),)
+SDL_X11_SYM(int,ipAllocateData,(ChannelPtr a,IPCard b,IPDataPtr * c),(a,b,c),return)
+SDL_X11_SYM(int,ipUnallocateAndSendData,(ChannelPtr a,IPCard b),(a,b),return)
+#endif
+
+// XCursor support
+#ifdef SDL_VIDEO_DRIVER_X11_XCURSOR
+SDL_X11_MODULE(XCURSOR)
+SDL_X11_SYM(XcursorImage*,XcursorImageCreate,(int a,int b),(a,b),return)
+SDL_X11_SYM(void,XcursorImageDestroy,(XcursorImage *a),(a),)
+SDL_X11_SYM(Cursor,XcursorImageLoadCursor,(Display *a,const XcursorImage *b),(a,b),return)
+SDL_X11_SYM(Cursor,XcursorLibraryLoadCursor,(Display *a, const char *b),(a,b),return)
+#endif
+
+// Xdbe support
+#ifdef SDL_VIDEO_DRIVER_X11_XDBE
+SDL_X11_MODULE(XDBE)
+SDL_X11_SYM(Status,XdbeQueryExtension,(Display *dpy,int *major_version_return,int *minor_version_return),(dpy,major_version_return,minor_version_return),return)
+SDL_X11_SYM(XdbeBackBuffer,XdbeAllocateBackBufferName,(Display *dpy,Window window,XdbeSwapAction swap_action),(dpy,window,swap_action),return)
+SDL_X11_SYM(Status,XdbeDeallocateBackBufferName,(Display *dpy,XdbeBackBuffer buffer),(dpy,buffer),return)
+SDL_X11_SYM(Status,XdbeSwapBuffers,(Display *dpy,XdbeSwapInfo *swap_info,int num_windows),(dpy,swap_info,num_windows),return)
+SDL_X11_SYM(Status,XdbeBeginIdiom,(Display *dpy),(dpy),return)
+SDL_X11_SYM(Status,XdbeEndIdiom,(Display *dpy),(dpy),return)
+SDL_X11_SYM(XdbeScreenVisualInfo*,XdbeGetVisualInfo,(Display *dpy,Drawable *screen_specifiers,int *num_screens),(dpy,screen_specifiers,num_screens),return)
+SDL_X11_SYM(void,XdbeFreeVisualInfo,(XdbeScreenVisualInfo *visual_info),(visual_info),)
+SDL_X11_SYM(XdbeBackBufferAttributes*,XdbeGetBackBufferAttributes,(Display *dpy,XdbeBackBuffer buffer),(dpy,buffer),return)
+#endif
+
+// XInput2 support for multiple mice, tablets, etc.
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+SDL_X11_MODULE(XINPUT2)
+SDL_X11_SYM(XIDeviceInfo*,XIQueryDevice,(Display *a,int b,int *c),(a,b,c),return)
+SDL_X11_SYM(void,XIFreeDeviceInfo,(XIDeviceInfo *a),(a),)
+SDL_X11_SYM(int,XISelectEvents,(Display *a,Window b,XIEventMask *c,int d),(a,b,c,d),return)
+SDL_X11_SYM(int,XIGrabTouchBegin,(Display *a,int b,Window c,int d,XIEventMask *e,int f,XIGrabModifiers *g),(a,b,c,d,e,f,g),return)
+SDL_X11_SYM(int,XIUngrabTouchBegin, (Display *a,int b,Window c, int d,XIGrabModifiers *e),(a, b, c, d, e),return)
+SDL_X11_SYM(Status,XIQueryVersion,(Display *a,int *b,int *c),(a,b,c),return)
+SDL_X11_SYM(XIEventMask*,XIGetSelectedEvents,(Display *a,Window b,int *c),(a,b,c),return)
+SDL_X11_SYM(Bool,XIGetClientPointer,(Display *a,Window b,int *c),(a,b,c),return)
+SDL_X11_SYM(Bool,XIWarpPointer,(Display *a,int b,Window c,Window d,double e,double f,int g,int h,double i,double j),(a,b,c,d,e,f,g,h,i,j),return)
+SDL_X11_SYM(Status,XIGetProperty,(Display *a,int b,Atom c,long d,long e,Bool f, Atom g, Atom *h, int *i, unsigned long *j, unsigned long *k, unsigned char **l),(a,b,c,d,e,f,g,h,i,j,k,l),return)
+#endif
+
+// XRandR support
+#ifdef SDL_VIDEO_DRIVER_X11_XRANDR
+SDL_X11_MODULE(XRANDR)
+SDL_X11_SYM(Status,XRRQueryVersion,(Display *dpy,int *major_versionp,int *minor_versionp),(dpy,major_versionp,minor_versionp),return)
+SDL_X11_SYM(Bool,XRRQueryExtension,(Display *dpy,int *event_base_return,int *error_base_return),(dpy,event_base_return,error_base_return),return)
+SDL_X11_SYM(XRRScreenConfiguration *,XRRGetScreenInfo,(Display *dpy,Drawable draw),(dpy,draw),return)
+SDL_X11_SYM(SizeID,XRRConfigCurrentConfiguration,(XRRScreenConfiguration *config,Rotation *rotation),(config,rotation),return)
+SDL_X11_SYM(short,XRRConfigCurrentRate,(XRRScreenConfiguration *config),(config),return)
+SDL_X11_SYM(short *,XRRConfigRates,(XRRScreenConfiguration *config,int sizeID,int *nrates),(config,sizeID,nrates),return)
+SDL_X11_SYM(XRRScreenSize *,XRRConfigSizes,(XRRScreenConfiguration *config,int *nsizes),(config,nsizes),return)
+SDL_X11_SYM(Status,XRRSetScreenConfigAndRate,(Display *dpy,XRRScreenConfiguration *config,Drawable draw,int size_index,Rotation rotation,short rate,Time timestamp),(dpy,config,draw,size_index,rotation,rate,timestamp),return)
+SDL_X11_SYM(void,XRRFreeScreenConfigInfo,(XRRScreenConfiguration *config),(config),)
+SDL_X11_SYM(void,XRRSetScreenSize,(Display *dpy, Window window,int width, int height,int mmWidth, int mmHeight),(dpy,window,width,height,mmWidth,mmHeight),)
+SDL_X11_SYM(Status,XRRGetScreenSizeRange,(Display *dpy, Window window,int *minWidth, int *minHeight, int *maxWidth, int *maxHeight),(dpy,window,minWidth,minHeight,maxWidth,maxHeight),return)
+SDL_X11_SYM(XRRScreenResources *,XRRGetScreenResources,(Display *dpy, Window window),(dpy, window),return)
+SDL_X11_SYM(XRRScreenResources *,XRRGetScreenResourcesCurrent,(Display *dpy, Window window),(dpy, window),return)
+SDL_X11_SYM(void,XRRFreeScreenResources,(XRRScreenResources *resources),(resources),)
+SDL_X11_SYM(XRROutputInfo *,XRRGetOutputInfo,(Display *dpy, XRRScreenResources *resources, RROutput output),(dpy,resources,output),return)
+SDL_X11_SYM(void,XRRFreeOutputInfo,(XRROutputInfo *outputInfo),(outputInfo),)
+SDL_X11_SYM(XRRCrtcInfo *,XRRGetCrtcInfo,(Display *dpy, XRRScreenResources *resources, RRCrtc crtc),(dpy,resources,crtc),return)
+SDL_X11_SYM(void,XRRFreeCrtcInfo,(XRRCrtcInfo *crtcInfo),(crtcInfo),)
+SDL_X11_SYM(Status,XRRSetCrtcConfig,(Display *dpy, XRRScreenResources *resources, RRCrtc crtc, Time timestamp, int x, int y, RRMode mode, Rotation rotation, RROutput *outputs, int noutputs),(dpy,resources,crtc,timestamp,x,y,mode,rotation,outputs,noutputs),return)
+SDL_X11_SYM(Atom*,XRRListOutputProperties,(Display *dpy, RROutput output, int *nprop),(dpy,output,nprop),return)
+SDL_X11_SYM(XRRPropertyInfo*,XRRQueryOutputProperty,(Display *dpy,RROutput output, Atom property),(dpy,output,property),return)
+SDL_X11_SYM(int,XRRGetOutputProperty,(Display *dpy,RROutput output, Atom property, long offset, long length, Bool _delete, Bool pending, Atom req_type, Atom *actual_type, int *actual_format, unsigned long *nitems, unsigned long *bytes_after, unsigned char **prop),(dpy,output,property,offset,length, _delete, pending, req_type, actual_type, actual_format, nitems, bytes_after, prop),return)
+SDL_X11_SYM(RROutput,XRRGetOutputPrimary,(Display *dpy,Window window),(dpy,window),return)
+SDL_X11_SYM(void,XRRSelectInput,(Display *dpy, Window window, int mask),(dpy,window,mask),)
+SDL_X11_SYM(Status,XRRGetCrtcTransform,(Display *dpy,RRCrtc crtc,XRRCrtcTransformAttributes **attributes),(dpy,crtc,attributes),return)
+#endif
+
+// MIT-SCREEN-SAVER support
+#ifdef SDL_VIDEO_DRIVER_X11_XSCRNSAVER
+SDL_X11_MODULE(XSS)
+SDL_X11_SYM(Bool,XScreenSaverQueryExtension,(Display *dpy,int *event_base,int *error_base),(dpy,event_base,error_base),return)
+SDL_X11_SYM(Status,XScreenSaverQueryVersion,(Display *dpy,int *major_versionp,int *minor_versionp),(dpy,major_versionp,minor_versionp),return)
+SDL_X11_SYM(void,XScreenSaverSuspend,(Display *dpy,Bool suspend),(dpy,suspend),return)
+#endif
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSHAPE
+SDL_X11_MODULE(XSHAPE)
+SDL_X11_SYM(void,XShapeCombineMask,(Display *dpy,Window dest,int dest_kind,int x_off,int y_off,Pixmap src,int op),(dpy,dest,dest_kind,x_off,y_off,src,op),)
+SDL_X11_SYM(void,XShapeCombineRegion,(Display *a,Window b,int c,int d,int e,Region f,int g),(a,b,c,d,e,f,g),)
+#endif
+
+#undef SDL_X11_MODULE
+#undef SDL_X11_SYM
+
+/* *INDENT-ON* */ // clang-format on

vendor/sdl-3.2.10/src/video/x11/SDL_x11touch.c

@@ -0,0 +1,46 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11video.h"
+#include "SDL_x11touch.h"
+#include "SDL_x11xinput2.h"
+#include "../../events/SDL_touch_c.h"
+
+void X11_InitTouch(SDL_VideoDevice *_this)
+{
+    X11_InitXinput2Multitouch(_this);
+}
+
+void X11_QuitTouch(SDL_VideoDevice *_this)
+{
+    SDL_QuitTouch();
+}
+
+void X11_ResetTouch(SDL_VideoDevice *_this)
+{
+    X11_QuitTouch(_this);
+    X11_InitTouch(_this);
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11touch.h

@@ -0,0 +1,30 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11touch_h_
+#define SDL_x11touch_h_
+
+extern void X11_InitTouch(SDL_VideoDevice *_this);
+extern void X11_QuitTouch(SDL_VideoDevice *_this);
+extern void X11_ResetTouch(SDL_VideoDevice *_this);
+
+#endif // SDL_x11touch_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11video.c

@@ -0,0 +1,505 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include <unistd.h> // For getpid() and readlink()
+
+#include "../../core/linux/SDL_system_theme.h"
+#include "../../events/SDL_keyboard_c.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../SDL_pixels_c.h"
+#include "../SDL_sysvideo.h"
+
+#include "SDL_x11framebuffer.h"
+#include "SDL_x11pen.h"
+#include "SDL_x11touch.h"
+#include "SDL_x11video.h"
+#include "SDL_x11xfixes.h"
+#include "SDL_x11xinput2.h"
+#include "SDL_x11messagebox.h"
+#include "SDL_x11shape.h"
+#include "SDL_x11xsync.h"
+
+#ifdef SDL_VIDEO_OPENGL_EGL
+#include "SDL_x11opengles.h"
+#endif
+
+// Initialization/Query functions
+static bool X11_VideoInit(SDL_VideoDevice *_this);
+static void X11_VideoQuit(SDL_VideoDevice *_this);
+
+// X11 driver bootstrap functions
+
+static void X11_DeleteDevice(SDL_VideoDevice *device)
+{
+    SDL_VideoData *data = device->internal;
+    if (device->vulkan_config.loader_handle) {
+        device->Vulkan_UnloadLibrary(device);
+    }
+    if (data->display) {
+        X11_XCloseDisplay(data->display);
+    }
+    if (data->request_display) {
+        X11_XCloseDisplay(data->request_display);
+    }
+    SDL_free(data->windowlist);
+    if (device->wakeup_lock) {
+        SDL_DestroyMutex(device->wakeup_lock);
+    }
+    SDL_free(device->internal);
+    SDL_free(device);
+
+    SDL_X11_UnloadSymbols();
+}
+
+static bool X11_IsXWayland(Display *d)
+{
+    int opcode, event, error;
+    return X11_XQueryExtension(d, "XWAYLAND", &opcode, &event, &error) == True;
+}
+
+static bool X11_CheckCurrentDesktop(const char *name)
+{
+    SDL_Environment *env = SDL_GetEnvironment();
+
+    const char *desktopVar = SDL_GetEnvironmentVariable(env, "DESKTOP_SESSION");
+    if (desktopVar && SDL_strcasecmp(desktopVar, name) == 0) {
+        return true;
+    }
+
+    desktopVar = SDL_GetEnvironmentVariable(env, "XDG_CURRENT_DESKTOP");
+    if (desktopVar && SDL_strcasestr(desktopVar, name)) {
+        return true;
+    }
+
+    return false;
+}
+
+static SDL_VideoDevice *X11_CreateDevice(void)
+{
+    SDL_VideoDevice *device;
+    SDL_VideoData *data;
+    const char *display = NULL; // Use the DISPLAY environment variable
+    Display *x11_display = NULL;
+
+    if (!SDL_X11_LoadSymbols()) {
+        return NULL;
+    }
+
+    /* Need for threading gl calls. This is also required for the proprietary
+        nVidia driver to be threaded. */
+    X11_XInitThreads();
+
+    // Open the display first to be sure that X11 is available
+    x11_display = X11_XOpenDisplay(display);
+
+    if (!x11_display) {
+        SDL_X11_UnloadSymbols();
+        return NULL;
+    }
+
+    // Initialize all variables that we clean on shutdown
+    device = (SDL_VideoDevice *)SDL_calloc(1, sizeof(SDL_VideoDevice));
+    if (!device) {
+        return NULL;
+    }
+    data = (struct SDL_VideoData *)SDL_calloc(1, sizeof(SDL_VideoData));
+    if (!data) {
+        SDL_free(device);
+        return NULL;
+    }
+    device->internal = data;
+
+    data->global_mouse_changed = true;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+    data->active_cursor_confined_window = NULL;
+#endif // SDL_VIDEO_DRIVER_X11_XFIXES
+
+    data->display = x11_display;
+    data->request_display = X11_XOpenDisplay(display);
+    if (!data->request_display) {
+        X11_XCloseDisplay(data->display);
+        SDL_free(device->internal);
+        SDL_free(device);
+        SDL_X11_UnloadSymbols();
+        return NULL;
+    }
+
+    device->wakeup_lock = SDL_CreateMutex();
+
+#ifdef X11_DEBUG
+    X11_XSynchronize(data->display, True);
+#endif
+
+    /* Steam Deck will have an on-screen keyboard, so check their environment
+     * variable so we can make use of SDL_StartTextInput.
+     */
+    data->is_steam_deck = SDL_GetHintBoolean("SteamDeck", false);
+
+    // Set the function pointers
+    device->VideoInit = X11_VideoInit;
+    device->VideoQuit = X11_VideoQuit;
+    device->ResetTouch = X11_ResetTouch;
+    device->GetDisplayModes = X11_GetDisplayModes;
+    device->GetDisplayBounds = X11_GetDisplayBounds;
+    device->GetDisplayUsableBounds = X11_GetDisplayUsableBounds;
+    device->GetWindowICCProfile = X11_GetWindowICCProfile;
+    device->SetDisplayMode = X11_SetDisplayMode;
+    device->SuspendScreenSaver = X11_SuspendScreenSaver;
+    device->PumpEvents = X11_PumpEvents;
+    device->WaitEventTimeout = X11_WaitEventTimeout;
+    device->SendWakeupEvent = X11_SendWakeupEvent;
+
+    device->CreateSDLWindow = X11_CreateWindow;
+    device->SetWindowTitle = X11_SetWindowTitle;
+    device->SetWindowIcon = X11_SetWindowIcon;
+    device->SetWindowPosition = X11_SetWindowPosition;
+    device->SetWindowSize = X11_SetWindowSize;
+    device->SetWindowMinimumSize = X11_SetWindowMinimumSize;
+    device->SetWindowMaximumSize = X11_SetWindowMaximumSize;
+    device->SetWindowAspectRatio = X11_SetWindowAspectRatio;
+    device->GetWindowBordersSize = X11_GetWindowBordersSize;
+    device->SetWindowOpacity = X11_SetWindowOpacity;
+    device->SetWindowParent = X11_SetWindowParent;
+    device->SetWindowModal = X11_SetWindowModal;
+    device->ShowWindow = X11_ShowWindow;
+    device->HideWindow = X11_HideWindow;
+    device->RaiseWindow = X11_RaiseWindow;
+    device->MaximizeWindow = X11_MaximizeWindow;
+    device->MinimizeWindow = X11_MinimizeWindow;
+    device->RestoreWindow = X11_RestoreWindow;
+    device->SetWindowBordered = X11_SetWindowBordered;
+    device->SetWindowResizable = X11_SetWindowResizable;
+    device->SetWindowAlwaysOnTop = X11_SetWindowAlwaysOnTop;
+    device->SetWindowFullscreen = X11_SetWindowFullscreen;
+    device->SetWindowMouseGrab = X11_SetWindowMouseGrab;
+    device->SetWindowKeyboardGrab = X11_SetWindowKeyboardGrab;
+    device->DestroyWindow = X11_DestroyWindow;
+    device->CreateWindowFramebuffer = X11_CreateWindowFramebuffer;
+    device->UpdateWindowFramebuffer = X11_UpdateWindowFramebuffer;
+    device->DestroyWindowFramebuffer = X11_DestroyWindowFramebuffer;
+    device->SetWindowHitTest = X11_SetWindowHitTest;
+    device->AcceptDragAndDrop = X11_AcceptDragAndDrop;
+    device->UpdateWindowShape = X11_UpdateWindowShape;
+    device->FlashWindow = X11_FlashWindow;
+    device->ShowWindowSystemMenu = X11_ShowWindowSystemMenu;
+    device->SetWindowFocusable = X11_SetWindowFocusable;
+    device->SyncWindow = X11_SyncWindow;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+    device->SetWindowMouseRect = X11_SetWindowMouseRect;
+#endif // SDL_VIDEO_DRIVER_X11_XFIXES
+
+#ifdef SDL_VIDEO_OPENGL_GLX
+    device->GL_LoadLibrary = X11_GL_LoadLibrary;
+    device->GL_GetProcAddress = X11_GL_GetProcAddress;
+    device->GL_UnloadLibrary = X11_GL_UnloadLibrary;
+    device->GL_CreateContext = X11_GL_CreateContext;
+    device->GL_MakeCurrent = X11_GL_MakeCurrent;
+    device->GL_SetSwapInterval = X11_GL_SetSwapInterval;
+    device->GL_GetSwapInterval = X11_GL_GetSwapInterval;
+    device->GL_SwapWindow = X11_GL_SwapWindow;
+    device->GL_DestroyContext = X11_GL_DestroyContext;
+    device->GL_GetEGLSurface = NULL;
+#endif
+#ifdef SDL_VIDEO_OPENGL_EGL
+#ifdef SDL_VIDEO_OPENGL_GLX
+    if (SDL_GetHintBoolean(SDL_HINT_VIDEO_FORCE_EGL, false)) {
+#endif
+        device->GL_LoadLibrary = X11_GLES_LoadLibrary;
+        device->GL_GetProcAddress = X11_GLES_GetProcAddress;
+        device->GL_UnloadLibrary = X11_GLES_UnloadLibrary;
+        device->GL_CreateContext = X11_GLES_CreateContext;
+        device->GL_MakeCurrent = X11_GLES_MakeCurrent;
+        device->GL_SetSwapInterval = X11_GLES_SetSwapInterval;
+        device->GL_GetSwapInterval = X11_GLES_GetSwapInterval;
+        device->GL_SwapWindow = X11_GLES_SwapWindow;
+        device->GL_DestroyContext = X11_GLES_DestroyContext;
+        device->GL_GetEGLSurface = X11_GLES_GetEGLSurface;
+#ifdef SDL_VIDEO_OPENGL_GLX
+    }
+#endif
+#endif
+
+    device->GetTextMimeTypes = X11_GetTextMimeTypes;
+    device->SetClipboardData = X11_SetClipboardData;
+    device->GetClipboardData = X11_GetClipboardData;
+    device->HasClipboardData = X11_HasClipboardData;
+    device->SetPrimarySelectionText = X11_SetPrimarySelectionText;
+    device->GetPrimarySelectionText = X11_GetPrimarySelectionText;
+    device->HasPrimarySelectionText = X11_HasPrimarySelectionText;
+    device->StartTextInput = X11_StartTextInput;
+    device->StopTextInput = X11_StopTextInput;
+    device->UpdateTextInputArea = X11_UpdateTextInputArea;
+    device->HasScreenKeyboardSupport = X11_HasScreenKeyboardSupport;
+    device->ShowScreenKeyboard = X11_ShowScreenKeyboard;
+    device->HideScreenKeyboard = X11_HideScreenKeyboard;
+    device->IsScreenKeyboardShown = X11_IsScreenKeyboardShown;
+
+    device->free = X11_DeleteDevice;
+
+#ifdef SDL_VIDEO_VULKAN
+    device->Vulkan_LoadLibrary = X11_Vulkan_LoadLibrary;
+    device->Vulkan_UnloadLibrary = X11_Vulkan_UnloadLibrary;
+    device->Vulkan_GetInstanceExtensions = X11_Vulkan_GetInstanceExtensions;
+    device->Vulkan_CreateSurface = X11_Vulkan_CreateSurface;
+    device->Vulkan_DestroySurface = X11_Vulkan_DestroySurface;
+    device->Vulkan_GetPresentationSupport = X11_Vulkan_GetPresentationSupport;
+#endif
+
+#ifdef SDL_USE_LIBDBUS
+    if (SDL_SystemTheme_Init())
+        device->system_theme = SDL_SystemTheme_Get();
+#endif
+
+    device->device_caps = VIDEO_DEVICE_CAPS_HAS_POPUP_WINDOW_SUPPORT;
+
+    /* Openbox doesn't send the new window dimensions when entering fullscreen, so the events must be synthesized.
+     * This is otherwise not wanted, as it can break fullscreen window positioning on multi-monitor configurations.
+     */
+    if (!X11_CheckCurrentDesktop("openbox")) {
+        device->device_caps |= VIDEO_DEVICE_CAPS_SENDS_DISPLAY_CHANGES;
+    }
+
+    data->is_xwayland = X11_IsXWayland(x11_display);
+    if (data->is_xwayland) {
+        device->device_caps |= VIDEO_DEVICE_CAPS_MODE_SWITCHING_EMULATED |
+                               VIDEO_DEVICE_CAPS_DISABLE_MOUSE_WARP_ON_FULLSCREEN_TRANSITIONS;
+    }
+
+    return device;
+}
+
+VideoBootStrap X11_bootstrap = {
+    "x11", "SDL X11 video driver",
+    X11_CreateDevice,
+    X11_ShowMessageBox,
+    false
+};
+
+static int (*handler)(Display *, XErrorEvent *) = NULL;
+static int X11_CheckWindowManagerErrorHandler(Display *d, XErrorEvent *e)
+{
+    if (e->error_code == BadWindow) {
+        return 0;
+    } else {
+        return handler(d, e);
+    }
+}
+
+static void X11_CheckWindowManager(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+    Display *display = data->display;
+    Atom _NET_SUPPORTING_WM_CHECK;
+    int status, real_format;
+    Atom real_type;
+    unsigned long items_read = 0, items_left = 0;
+    unsigned char *propdata = NULL;
+    Window wm_window = 0;
+#ifdef DEBUG_WINDOW_MANAGER
+    char *wm_name;
+#endif
+
+    // Set up a handler to gracefully catch errors
+    X11_XSync(display, False);
+    handler = X11_XSetErrorHandler(X11_CheckWindowManagerErrorHandler);
+
+    _NET_SUPPORTING_WM_CHECK = X11_XInternAtom(display, "_NET_SUPPORTING_WM_CHECK", False);
+    status = X11_XGetWindowProperty(display, DefaultRootWindow(display), _NET_SUPPORTING_WM_CHECK, 0L, 1L, False, XA_WINDOW, &real_type, &real_format, &items_read, &items_left, &propdata);
+    if (status == Success) {
+        if (items_read) {
+            wm_window = ((Window *)propdata)[0];
+        }
+        if (propdata) {
+            X11_XFree(propdata);
+            propdata = NULL;
+        }
+    }
+
+    if (wm_window) {
+        status = X11_XGetWindowProperty(display, wm_window, _NET_SUPPORTING_WM_CHECK, 0L, 1L, False, XA_WINDOW, &real_type, &real_format, &items_read, &items_left, &propdata);
+        if (status != Success || !items_read || wm_window != ((Window *)propdata)[0]) {
+            wm_window = None;
+        }
+        if (status == Success && propdata) {
+            X11_XFree(propdata);
+            propdata = NULL;
+        }
+    }
+
+    // Reset the error handler, we're done checking
+    X11_XSync(display, False);
+    X11_XSetErrorHandler(handler);
+
+    if (!wm_window) {
+#ifdef DEBUG_WINDOW_MANAGER
+        printf("Couldn't get _NET_SUPPORTING_WM_CHECK property\n");
+#endif
+        return;
+    }
+    data->net_wm = true;
+
+#ifdef DEBUG_WINDOW_MANAGER
+    wm_name = X11_GetWindowTitle(_this, wm_window);
+    printf("Window manager: %s\n", wm_name);
+    SDL_free(wm_name);
+#endif
+}
+
+static bool X11_VideoInit(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+
+    // Get the process PID to be associated to the window
+    data->pid = getpid();
+
+    // I have no idea how random this actually is, or has to be.
+    data->window_group = (XID)(((size_t)data->pid) ^ ((size_t)_this));
+
+    // Look up some useful Atoms
+#define GET_ATOM(X) data->atoms.X = X11_XInternAtom(data->display, #X, False)
+    GET_ATOM(WM_PROTOCOLS);
+    GET_ATOM(WM_DELETE_WINDOW);
+    GET_ATOM(WM_TAKE_FOCUS);
+    GET_ATOM(WM_NAME);
+    GET_ATOM(WM_TRANSIENT_FOR);
+    GET_ATOM(_NET_WM_STATE);
+    GET_ATOM(_NET_WM_STATE_HIDDEN);
+    GET_ATOM(_NET_WM_STATE_FOCUSED);
+    GET_ATOM(_NET_WM_STATE_MAXIMIZED_VERT);
+    GET_ATOM(_NET_WM_STATE_MAXIMIZED_HORZ);
+    GET_ATOM(_NET_WM_STATE_FULLSCREEN);
+    GET_ATOM(_NET_WM_STATE_ABOVE);
+    GET_ATOM(_NET_WM_STATE_SKIP_TASKBAR);
+    GET_ATOM(_NET_WM_STATE_SKIP_PAGER);
+    GET_ATOM(_NET_WM_MOVERESIZE);
+    GET_ATOM(_NET_WM_STATE_MODAL);
+    GET_ATOM(_NET_WM_ALLOWED_ACTIONS);
+    GET_ATOM(_NET_WM_ACTION_FULLSCREEN);
+    GET_ATOM(_NET_WM_NAME);
+    GET_ATOM(_NET_WM_ICON_NAME);
+    GET_ATOM(_NET_WM_ICON);
+    GET_ATOM(_NET_WM_PING);
+    GET_ATOM(_NET_WM_SYNC_REQUEST);
+    GET_ATOM(_NET_WM_SYNC_REQUEST_COUNTER);
+    GET_ATOM(_NET_WM_WINDOW_OPACITY);
+    GET_ATOM(_NET_WM_USER_TIME);
+    GET_ATOM(_NET_ACTIVE_WINDOW);
+    GET_ATOM(_NET_FRAME_EXTENTS);
+    GET_ATOM(_SDL_WAKEUP);
+    GET_ATOM(UTF8_STRING);
+    GET_ATOM(PRIMARY);
+    GET_ATOM(CLIPBOARD);
+    GET_ATOM(INCR);
+    GET_ATOM(SDL_SELECTION);
+    GET_ATOM(TARGETS);
+    GET_ATOM(SDL_FORMATS);
+    GET_ATOM(XdndAware);
+    GET_ATOM(XdndEnter);
+    GET_ATOM(XdndLeave);
+    GET_ATOM(XdndPosition);
+    GET_ATOM(XdndStatus);
+    GET_ATOM(XdndTypeList);
+    GET_ATOM(XdndActionCopy);
+    GET_ATOM(XdndDrop);
+    GET_ATOM(XdndFinished);
+    GET_ATOM(XdndSelection);
+    GET_ATOM(XKLAVIER_STATE);
+
+    // Detect the window manager
+    X11_CheckWindowManager(_this);
+
+    if (!X11_InitModes(_this)) {
+        return false;
+    }
+
+    if (!X11_InitXinput2(_this)) {
+        // Assume a mouse and keyboard are attached
+        SDL_AddKeyboard(SDL_DEFAULT_KEYBOARD_ID, NULL, false);
+        SDL_AddMouse(SDL_DEFAULT_MOUSE_ID, NULL, false);
+    }
+
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+    X11_InitXfixes(_this);
+#endif // SDL_VIDEO_DRIVER_X11_XFIXES
+
+    X11_InitXsettings(_this);
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+    X11_InitXsync(_this);
+#endif /* SDL_VIDEO_DRIVER_X11_XSYNC */
+
+#ifndef X_HAVE_UTF8_STRING
+#warning X server does not support UTF8_STRING, a feature introduced in 2000! This is likely to become a hard error in a future libSDL3.
+#endif
+
+    if (!X11_InitKeyboard(_this)) {
+        return false;
+    }
+    X11_InitMouse(_this);
+
+    X11_InitTouch(_this);
+
+    X11_InitPen(_this);
+
+    return true;
+}
+
+void X11_VideoQuit(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+
+    if (data->clipboard_window) {
+        X11_XDestroyWindow(data->display, data->clipboard_window);
+    }
+
+    if (data->xsettings_window) {
+        X11_XDestroyWindow(data->display, data->xsettings_window);
+    }
+
+#ifdef X_HAVE_UTF8_STRING
+    if (data->im) {
+        X11_XCloseIM(data->im);
+    }
+#endif
+
+    X11_QuitModes(_this);
+    X11_QuitKeyboard(_this);
+    X11_QuitMouse(_this);
+    X11_QuitTouch(_this);
+    X11_QuitPen(_this);
+    X11_QuitClipboard(_this);
+    X11_QuitXsettings(_this);
+}
+
+bool X11_UseDirectColorVisuals(void)
+{
+    if (SDL_GetHintBoolean(SDL_HINT_VIDEO_X11_NODIRECTCOLOR, false)) {
+        return false;
+    }
+    return true;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11video.h

@@ -0,0 +1,177 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11video_h_
+#define SDL_x11video_h_
+
+#include "../SDL_sysvideo.h"
+
+#include "../../core/linux/SDL_dbus.h"
+#include "../../core/linux/SDL_ime.h"
+
+#include "SDL_x11dyn.h"
+
+#include "SDL_x11clipboard.h"
+#include "SDL_x11events.h"
+#include "SDL_x11keyboard.h"
+#include "SDL_x11modes.h"
+#include "SDL_x11mouse.h"
+#include "SDL_x11opengl.h"
+#include "SDL_x11settings.h"
+#include "SDL_x11window.h"
+#include "SDL_x11vulkan.h"
+
+// Private display data
+
+struct SDL_VideoData
+{
+    Display *display;
+    Display *request_display;
+    pid_t pid;
+    XIM im;
+    Uint64 screensaver_activity;
+    int numwindows;
+    SDL_WindowData **windowlist;
+    int windowlistlength;
+    XID window_group;
+    Window clipboard_window;
+    SDLX11_ClipboardData clipboard;
+    SDLX11_ClipboardData primary_selection;
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+    SDL_Window *active_cursor_confined_window;
+#endif // SDL_VIDEO_DRIVER_X11_XFIXES
+    Window xsettings_window;
+    SDLX11_SettingsData xsettings_data;
+
+    // This is true for ICCCM2.0-compliant window managers
+    bool net_wm;
+
+    // Useful atoms
+    struct {
+        Atom WM_PROTOCOLS;
+        Atom WM_DELETE_WINDOW;
+        Atom WM_TAKE_FOCUS;
+        Atom WM_NAME;
+        Atom WM_TRANSIENT_FOR;
+        Atom _NET_WM_STATE;
+        Atom _NET_WM_STATE_HIDDEN;
+        Atom _NET_WM_STATE_FOCUSED;
+        Atom _NET_WM_STATE_MAXIMIZED_VERT;
+        Atom _NET_WM_STATE_MAXIMIZED_HORZ;
+        Atom _NET_WM_STATE_FULLSCREEN;
+        Atom _NET_WM_STATE_ABOVE;
+        Atom _NET_WM_STATE_SKIP_TASKBAR;
+        Atom _NET_WM_STATE_SKIP_PAGER;
+        Atom _NET_WM_STATE_MODAL;
+        Atom _NET_WM_MOVERESIZE;
+        Atom _NET_WM_ALLOWED_ACTIONS;
+        Atom _NET_WM_ACTION_FULLSCREEN;
+        Atom _NET_WM_NAME;
+        Atom _NET_WM_ICON_NAME;
+        Atom _NET_WM_ICON;
+        Atom _NET_WM_PING;
+        Atom _NET_WM_SYNC_REQUEST;
+        Atom _NET_WM_SYNC_REQUEST_COUNTER;
+        Atom _NET_WM_WINDOW_OPACITY;
+        Atom _NET_WM_USER_TIME;
+        Atom _NET_ACTIVE_WINDOW;
+        Atom _NET_FRAME_EXTENTS;
+        Atom _SDL_WAKEUP;
+        Atom UTF8_STRING;
+        Atom PRIMARY;
+        Atom CLIPBOARD;
+        Atom INCR;
+        Atom SDL_SELECTION;
+        Atom TARGETS;
+        Atom SDL_FORMATS;
+        Atom XdndAware;
+        Atom XdndEnter;
+        Atom XdndLeave;
+        Atom XdndPosition;
+        Atom XdndStatus;
+        Atom XdndTypeList;
+        Atom XdndActionCopy;
+        Atom XdndDrop;
+        Atom XdndFinished;
+        Atom XdndSelection;
+        Atom XKLAVIER_STATE;
+
+        // Pen atoms (these have names that don't map well to C symbols)
+        Atom pen_atom_device_product_id;
+        Atom pen_atom_abs_pressure;
+        Atom pen_atom_abs_tilt_x;
+        Atom pen_atom_abs_tilt_y;
+        Atom pen_atom_wacom_serial_ids;
+        Atom pen_atom_wacom_tool_type;
+    } atoms;
+
+    SDL_Scancode key_layout[256];
+    bool selection_waiting;
+    bool selection_incr_waiting;
+
+    bool broken_pointer_grab; // true if XGrabPointer seems unreliable.
+
+    Uint64 last_mode_change_deadline;
+
+    bool global_mouse_changed;
+    SDL_Point global_mouse_position;
+    Uint32 global_mouse_buttons;
+
+    SDL_XInput2DeviceInfo *mouse_device_info;
+    int xinput_master_pointer_device;
+    bool xinput_hierarchy_changed;
+
+    int xrandr_event_base;
+    struct
+    {
+#ifdef SDL_VIDEO_DRIVER_X11_HAS_XKBLOOKUPKEYSYM
+        XkbDescPtr desc_ptr;
+#endif
+        int event;
+        unsigned int current_group;
+        unsigned int xkb_modifiers;
+
+        SDL_Keymod sdl_modifiers;
+
+        Uint32 numlock_mask;
+        Uint32 scrolllock_mask;
+    } xkb;
+
+    KeyCode filter_code;
+    Time filter_time;
+
+#ifdef SDL_VIDEO_VULKAN
+    // Vulkan variables only valid if _this->vulkan_config.loader_handle is not NULL
+    SDL_SharedObject *vulkan_xlib_xcb_library;
+    PFN_XGetXCBConnection vulkan_XGetXCBConnection;
+#endif
+
+    // Used to interact with the on-screen keyboard
+    bool is_steam_deck;
+    bool steam_keyboard_open;
+
+    bool is_xwayland;
+};
+
+extern bool X11_UseDirectColorVisuals(void);
+
+#endif // SDL_x11video_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11vulkan.c

@@ -0,0 +1,290 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#if defined(SDL_VIDEO_VULKAN) && defined(SDL_VIDEO_DRIVER_X11)
+
+#include "../SDL_vulkan_internal.h"
+
+#include "SDL_x11video.h"
+
+#include "SDL_x11vulkan.h"
+
+#include <X11/Xlib.h>
+// #include <xcb/xcb.h>
+
+#ifdef SDL_PLATFORM_OPENBSD
+#define DEFAULT_VULKAN "libvulkan.so"
+#define DEFAULT_X11_XCB "libX11-xcb.so"
+#else
+#define DEFAULT_VULKAN "libvulkan.so.1"
+#define DEFAULT_X11_XCB "libX11-xcb.so.1"
+#endif
+
+/*
+typedef uint32_t xcb_window_t;
+typedef uint32_t xcb_visualid_t;
+*/
+
+bool X11_Vulkan_LoadLibrary(SDL_VideoDevice *_this, const char *path)
+{
+    SDL_VideoData *videoData = _this->internal;
+    VkExtensionProperties *extensions = NULL;
+    Uint32 extensionCount = 0;
+    bool hasSurfaceExtension = false;
+    bool hasXlibSurfaceExtension = false;
+    bool hasXCBSurfaceExtension = false;
+    PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr = NULL;
+    Uint32 i;
+    if (_this->vulkan_config.loader_handle) {
+        return SDL_SetError("Vulkan already loaded");
+    }
+
+    // Load the Vulkan loader library
+    if (!path) {
+        path = SDL_GetHint(SDL_HINT_VULKAN_LIBRARY);
+    }
+    if (!path) {
+        path = DEFAULT_VULKAN;
+    }
+    _this->vulkan_config.loader_handle = SDL_LoadObject(path);
+    if (!_this->vulkan_config.loader_handle) {
+        return false;
+    }
+    SDL_strlcpy(_this->vulkan_config.loader_path, path, SDL_arraysize(_this->vulkan_config.loader_path));
+    vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)SDL_LoadFunction(
+        _this->vulkan_config.loader_handle, "vkGetInstanceProcAddr");
+    if (!vkGetInstanceProcAddr) {
+        goto fail;
+    }
+    _this->vulkan_config.vkGetInstanceProcAddr = (void *)vkGetInstanceProcAddr;
+    _this->vulkan_config.vkEnumerateInstanceExtensionProperties =
+        (void *)((PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr)(
+            VK_NULL_HANDLE, "vkEnumerateInstanceExtensionProperties");
+    if (!_this->vulkan_config.vkEnumerateInstanceExtensionProperties) {
+        goto fail;
+    }
+    extensions = SDL_Vulkan_CreateInstanceExtensionsList(
+        (PFN_vkEnumerateInstanceExtensionProperties)
+            _this->vulkan_config.vkEnumerateInstanceExtensionProperties,
+        &extensionCount);
+    if (!extensions) {
+        goto fail;
+    }
+    for (i = 0; i < extensionCount; i++) {
+        if (SDL_strcmp(VK_KHR_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) {
+            hasSurfaceExtension = true;
+        } else if (SDL_strcmp(VK_KHR_XCB_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) {
+            hasXCBSurfaceExtension = true;
+        } else if (SDL_strcmp(VK_KHR_XLIB_SURFACE_EXTENSION_NAME, extensions[i].extensionName) == 0) {
+            hasXlibSurfaceExtension = true;
+        }
+    }
+    SDL_free(extensions);
+    if (!hasSurfaceExtension) {
+        SDL_SetError("Installed Vulkan doesn't implement the " VK_KHR_SURFACE_EXTENSION_NAME " extension");
+        goto fail;
+    }
+    if (hasXlibSurfaceExtension) {
+        videoData->vulkan_xlib_xcb_library = NULL;
+    } else if (!hasXCBSurfaceExtension) {
+        SDL_SetError("Installed Vulkan doesn't implement either the " VK_KHR_XCB_SURFACE_EXTENSION_NAME "extension or the " VK_KHR_XLIB_SURFACE_EXTENSION_NAME " extension");
+        goto fail;
+    } else {
+        const char *libX11XCBLibraryName = SDL_GetHint(SDL_HINT_X11_XCB_LIBRARY);
+        if (!libX11XCBLibraryName || !*libX11XCBLibraryName) {
+            libX11XCBLibraryName = DEFAULT_X11_XCB;
+        }
+        videoData->vulkan_xlib_xcb_library = SDL_LoadObject(libX11XCBLibraryName);
+        if (!videoData->vulkan_xlib_xcb_library) {
+            goto fail;
+        }
+        videoData->vulkan_XGetXCBConnection =
+            (PFN_XGetXCBConnection)SDL_LoadFunction(videoData->vulkan_xlib_xcb_library, "XGetXCBConnection");
+        if (!videoData->vulkan_XGetXCBConnection) {
+            SDL_UnloadObject(videoData->vulkan_xlib_xcb_library);
+            goto fail;
+        }
+    }
+    return true;
+
+fail:
+    SDL_UnloadObject(_this->vulkan_config.loader_handle);
+    _this->vulkan_config.loader_handle = NULL;
+    return false;
+}
+
+void X11_Vulkan_UnloadLibrary(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *videoData = _this->internal;
+    if (_this->vulkan_config.loader_handle) {
+        if (videoData->vulkan_xlib_xcb_library) {
+            SDL_UnloadObject(videoData->vulkan_xlib_xcb_library);
+        }
+        SDL_UnloadObject(_this->vulkan_config.loader_handle);
+        _this->vulkan_config.loader_handle = NULL;
+    }
+}
+
+char const* const* X11_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this,
+                                          Uint32 *count)
+{
+    SDL_VideoData *videoData = _this->internal;
+    if (videoData->vulkan_xlib_xcb_library) {
+        static const char *const extensionsForXCB[] = {
+            VK_KHR_SURFACE_EXTENSION_NAME,
+            VK_KHR_XCB_SURFACE_EXTENSION_NAME,
+        };
+        if(count) {
+            *count = SDL_arraysize(extensionsForXCB);
+        }
+        return extensionsForXCB;
+    } else {
+        static const char *const extensionsForXlib[] = {
+            VK_KHR_SURFACE_EXTENSION_NAME,
+            VK_KHR_XLIB_SURFACE_EXTENSION_NAME,
+        };
+        if(count) {
+            *count = SDL_arraysize(extensionsForXlib);
+        }
+        return extensionsForXlib;
+    }
+}
+
+bool X11_Vulkan_CreateSurface(SDL_VideoDevice *_this,
+                             SDL_Window *window,
+                             VkInstance instance,
+                             const struct VkAllocationCallbacks *allocator,
+                             VkSurfaceKHR *surface)
+{
+    SDL_VideoData *videoData = _this->internal;
+    SDL_WindowData *windowData = window->internal;
+    PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
+    if (!_this->vulkan_config.loader_handle) {
+        return SDL_SetError("Vulkan is not loaded");
+    }
+    vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr;
+    if (videoData->vulkan_xlib_xcb_library) {
+        PFN_vkCreateXcbSurfaceKHR vkCreateXcbSurfaceKHR =
+            (PFN_vkCreateXcbSurfaceKHR)vkGetInstanceProcAddr(instance,
+                                                             "vkCreateXcbSurfaceKHR");
+        VkXcbSurfaceCreateInfoKHR createInfo;
+        VkResult result;
+        if (!vkCreateXcbSurfaceKHR) {
+            return SDL_SetError(VK_KHR_XCB_SURFACE_EXTENSION_NAME " extension is not enabled in the Vulkan instance.");
+        }
+        SDL_zero(createInfo);
+        createInfo.sType = VK_STRUCTURE_TYPE_XCB_SURFACE_CREATE_INFO_KHR;
+        createInfo.connection = videoData->vulkan_XGetXCBConnection(videoData->display);
+        if (!createInfo.connection) {
+            return SDL_SetError("XGetXCBConnection failed");
+        }
+        createInfo.window = (xcb_window_t)windowData->xwindow;
+        result = vkCreateXcbSurfaceKHR(instance, &createInfo, allocator, surface);
+        if (result != VK_SUCCESS) {
+            return SDL_SetError("vkCreateXcbSurfaceKHR failed: %s", SDL_Vulkan_GetResultString(result));
+        }
+    } else {
+        PFN_vkCreateXlibSurfaceKHR vkCreateXlibSurfaceKHR =
+            (PFN_vkCreateXlibSurfaceKHR)vkGetInstanceProcAddr(instance,
+                                                              "vkCreateXlibSurfaceKHR");
+        VkXlibSurfaceCreateInfoKHR createInfo;
+        VkResult result;
+        if (!vkCreateXlibSurfaceKHR) {
+            return SDL_SetError(VK_KHR_XLIB_SURFACE_EXTENSION_NAME " extension is not enabled in the Vulkan instance.");
+        }
+        SDL_zero(createInfo);
+        createInfo.sType = VK_STRUCTURE_TYPE_XLIB_SURFACE_CREATE_INFO_KHR;
+        createInfo.dpy = videoData->display;
+        createInfo.window = (xcb_window_t)windowData->xwindow;
+        result = vkCreateXlibSurfaceKHR(instance, &createInfo, allocator, surface);
+        if (result != VK_SUCCESS) {
+            return SDL_SetError("vkCreateXlibSurfaceKHR failed: %s", SDL_Vulkan_GetResultString(result));
+        }
+    }
+
+    return true;  // success!
+}
+
+void X11_Vulkan_DestroySurface(SDL_VideoDevice *_this,
+                               VkInstance instance,
+                               VkSurfaceKHR surface,
+                               const struct VkAllocationCallbacks *allocator)
+{
+    if (_this->vulkan_config.loader_handle) {
+        SDL_Vulkan_DestroySurface_Internal(_this->vulkan_config.vkGetInstanceProcAddr, instance, surface, allocator);
+    }
+}
+
+bool X11_Vulkan_GetPresentationSupport(SDL_VideoDevice *_this,
+                                           VkInstance instance,
+                                           VkPhysicalDevice physicalDevice,
+                                           Uint32 queueFamilyIndex)
+{
+    SDL_VideoData *videoData = _this->internal;
+    PFN_vkGetInstanceProcAddr vkGetInstanceProcAddr;
+    const char *forced_visual_id;
+    VisualID visualid;
+
+    if (!_this->vulkan_config.loader_handle) {
+        return SDL_SetError("Vulkan is not loaded");
+    }
+    vkGetInstanceProcAddr = (PFN_vkGetInstanceProcAddr)_this->vulkan_config.vkGetInstanceProcAddr;
+
+    forced_visual_id = SDL_GetHint(SDL_HINT_VIDEO_X11_WINDOW_VISUALID);
+    if (forced_visual_id) {
+        visualid = SDL_strtol(forced_visual_id, NULL, 0);
+    } else {
+        visualid = X11_XVisualIDFromVisual(DefaultVisual(videoData->display, DefaultScreen(videoData->display)));
+    }
+
+    if (videoData->vulkan_xlib_xcb_library) {
+        PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR vkGetPhysicalDeviceXcbPresentationSupportKHR =
+            (PFN_vkGetPhysicalDeviceXcbPresentationSupportKHR)vkGetInstanceProcAddr(
+                instance,
+                "vkGetPhysicalDeviceXcbPresentationSupportKHR");
+
+        if (!vkGetPhysicalDeviceXcbPresentationSupportKHR) {
+            return SDL_SetError(VK_KHR_XCB_SURFACE_EXTENSION_NAME " extension is not enabled in the Vulkan instance.");
+        }
+
+        return vkGetPhysicalDeviceXcbPresentationSupportKHR(physicalDevice,
+                                                            queueFamilyIndex,
+                                                            videoData->vulkan_XGetXCBConnection(videoData->display),
+                                                            visualid);
+    } else {
+        PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR vkGetPhysicalDeviceXlibPresentationSupportKHR =
+            (PFN_vkGetPhysicalDeviceXlibPresentationSupportKHR)vkGetInstanceProcAddr(
+                instance,
+                "vkGetPhysicalDeviceXlibPresentationSupportKHR");
+
+        if (!vkGetPhysicalDeviceXlibPresentationSupportKHR) {
+            return SDL_SetError(VK_KHR_XLIB_SURFACE_EXTENSION_NAME " extension is not enabled in the Vulkan instance.");
+        }
+
+        return vkGetPhysicalDeviceXlibPresentationSupportKHR(physicalDevice,
+                                                             queueFamilyIndex,
+                                                             videoData->display,
+                                                             visualid);
+    }
+}
+
+#endif

vendor/sdl-3.2.10/src/video/x11/SDL_x11vulkan.h

@@ -0,0 +1,52 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11vulkan_h_
+#define SDL_x11vulkan_h_
+
+#include <SDL3/SDL_vulkan.h>
+
+#if defined(SDL_VIDEO_VULKAN) && defined(SDL_VIDEO_DRIVER_X11)
+
+typedef struct xcb_connection_t xcb_connection_t;
+typedef xcb_connection_t *(*PFN_XGetXCBConnection)(Display *dpy);
+
+extern bool X11_Vulkan_LoadLibrary(SDL_VideoDevice *_this, const char *path);
+extern void X11_Vulkan_UnloadLibrary(SDL_VideoDevice *_this);
+extern char const* const* X11_Vulkan_GetInstanceExtensions(SDL_VideoDevice *_this, Uint32 *count);
+extern bool X11_Vulkan_CreateSurface(SDL_VideoDevice *_this,
+                             SDL_Window *window,
+                             VkInstance instance,
+                             const struct VkAllocationCallbacks *allocator,
+                             VkSurfaceKHR *surface);
+extern void X11_Vulkan_DestroySurface(SDL_VideoDevice *_this,
+                               VkInstance instance,
+                               VkSurfaceKHR surface,
+                               const struct VkAllocationCallbacks *allocator);
+extern bool X11_Vulkan_GetPresentationSupport(SDL_VideoDevice *_this,
+                                           VkInstance instance,
+                                           VkPhysicalDevice physicalDevice,
+                                           Uint32 queueFamilyIndex);
+
+#endif
+
+#endif // SDL_x11vulkan_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11window.h

@@ -0,0 +1,169 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11window_h_
+#define SDL_x11window_h_
+
+/* We need to queue the focus in/out changes because they may occur during
+   video mode changes and we can respond to them by triggering more mode
+   changes.
+*/
+#define PENDING_FOCUS_TIME 200
+
+#ifdef SDL_VIDEO_OPENGL_EGL
+#include <EGL/egl.h>
+#endif
+
+typedef enum
+{
+    PENDING_FOCUS_NONE,
+    PENDING_FOCUS_IN,
+    PENDING_FOCUS_OUT
+} PendingFocusEnum;
+
+struct SDL_WindowData
+{
+    SDL_Window *window;
+    Window xwindow;
+    Visual *visual;
+    Colormap colormap;
+#ifndef NO_SHARED_MEMORY
+    // MIT shared memory extension information
+    bool use_mitshm;
+    XShmSegmentInfo shminfo;
+#endif
+    XImage *ximage;
+    GC gc;
+    XIC ic;
+    bool created;
+    int border_left;
+    int border_right;
+    int border_top;
+    int border_bottom;
+    bool xinput2_mouse_enabled;
+    bool xinput2_keyboard_enabled;
+    bool mouse_grabbed;
+    Uint64 last_focus_event_time;
+    PendingFocusEnum pending_focus;
+    Uint64 pending_focus_time;
+    bool pending_move;
+    SDL_Point pending_move_point;
+    XConfigureEvent last_xconfigure;
+    struct SDL_VideoData *videodata;
+    unsigned long user_time;
+    Atom xdnd_req;
+    Window xdnd_source;
+    bool flashing_window;
+    Uint64 flash_cancel_time;
+    SDL_Window *keyboard_focus;
+#ifdef SDL_VIDEO_OPENGL_EGL
+    EGLSurface egl_surface;
+#endif
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+    bool pointer_barrier_active;
+    PointerBarrier barrier[4];
+    SDL_Rect barrier_rect;
+#endif // SDL_VIDEO_DRIVER_X11_XFIXES
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+    XSyncCounter resize_counter;
+    XSyncValue resize_id;
+    bool resize_in_progress;
+#endif /* SDL_VIDEO_DRIVER_X11_XSYNC */
+
+    SDL_Rect expected;
+    SDL_DisplayMode requested_fullscreen_mode;
+
+    enum
+    {
+        X11_PENDING_OP_NONE = 0x00,
+        X11_PENDING_OP_RESTORE = 0x01,
+        X11_PENDING_OP_MINIMIZE = 0x02,
+        X11_PENDING_OP_MAXIMIZE = 0x04,
+        X11_PENDING_OP_FULLSCREEN = 0x08,
+        X11_PENDING_OP_MOVE = 0x10,
+        X11_PENDING_OP_RESIZE = 0x20
+    } pending_operation;
+
+    enum
+    {
+        X11_SIZE_MOVE_EVENTS_DISABLE = 0x01, // Events are completely disabled.
+        X11_SIZE_MOVE_EVENTS_WAIT_FOR_BORDERS = 0x02, // Events are disabled until a _NET_FRAME_EXTENTS event arrives.
+    } size_move_event_flags;
+
+    bool pending_size;
+    bool pending_position;
+    bool window_was_maximized;
+    bool previous_borders_nonzero;
+    bool toggle_borders;
+    bool fullscreen_borders_forced_on;
+    SDL_HitTestResult hit_test_result;
+
+    XPoint xim_spot;
+    char *preedit_text;
+    XIMFeedback *preedit_feedback;
+    int preedit_length;
+    int preedit_cursor;
+    bool ime_needs_clear_composition;
+};
+
+extern void X11_SetNetWMState(SDL_VideoDevice *_this, Window xwindow, SDL_WindowFlags flags);
+extern Uint32 X11_GetNetWMState(SDL_VideoDevice *_this, SDL_Window *window, Window xwindow);
+
+extern bool X11_CreateWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_PropertiesID create_props);
+extern char *X11_GetWindowTitle(SDL_VideoDevice *_this, Window xwindow);
+extern void X11_SetWindowTitle(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_SetWindowIcon(SDL_VideoDevice *_this, SDL_Window *window, SDL_Surface *icon);
+extern bool X11_SetWindowPosition(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_SetWindowMinimumSize(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_SetWindowMaximumSize(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_SetWindowAspectRatio(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_GetWindowBordersSize(SDL_VideoDevice *_this, SDL_Window *window, int *top, int *left, int *bottom, int *right);
+extern bool X11_SetWindowOpacity(SDL_VideoDevice *_this, SDL_Window *window, float opacity);
+extern bool X11_SetWindowParent(SDL_VideoDevice *_this, SDL_Window *window, SDL_Window *parent);
+extern bool X11_SetWindowModal(SDL_VideoDevice *_this, SDL_Window *window, bool modal);
+extern void X11_SetWindowSize(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_ShowWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_HideWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_RaiseWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_MaximizeWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_MinimizeWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_RestoreWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_SetWindowBordered(SDL_VideoDevice *_this, SDL_Window *window, bool bordered);
+extern void X11_SetWindowResizable(SDL_VideoDevice *_this, SDL_Window *window, bool resizable);
+extern void X11_SetWindowAlwaysOnTop(SDL_VideoDevice *_this, SDL_Window *window, bool on_top);
+extern SDL_FullscreenResult X11_SetWindowFullscreen(SDL_VideoDevice *_this, SDL_Window *window, SDL_VideoDisplay *display, SDL_FullscreenOp fullscreen);
+extern void *X11_GetWindowICCProfile(SDL_VideoDevice *_this, SDL_Window *window, size_t *size);
+extern bool X11_SetWindowMouseGrab(SDL_VideoDevice *_this, SDL_Window *window, bool grabbed);
+extern bool X11_SetWindowKeyboardGrab(SDL_VideoDevice *_this, SDL_Window *window, bool grabbed);
+extern void X11_DestroyWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_SetWindowHitTest(SDL_Window *window, bool enabled);
+extern void X11_AcceptDragAndDrop(SDL_Window *window, bool accept);
+extern bool X11_FlashWindow(SDL_VideoDevice *_this, SDL_Window *window, SDL_FlashOperation operation);
+extern void X11_ShowWindowSystemMenu(SDL_Window *window, int x, int y);
+extern bool X11_SyncWindow(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_SetWindowFocusable(SDL_VideoDevice *_this, SDL_Window *window, bool focusable);
+
+extern bool SDL_X11_SetWindowTitle(Display *display, Window xwindow, char *title);
+extern void X11_UpdateWindowPosition(SDL_Window *window, bool use_current_position);
+extern void X11_SetWindowMinMax(SDL_Window *window, bool use_current);
+
+#endif // SDL_x11window_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11xfixes.c

@@ -0,0 +1,214 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#if defined(SDL_VIDEO_DRIVER_X11) && defined(SDL_VIDEO_DRIVER_X11_XFIXES)
+
+#include "SDL_x11video.h"
+#include "SDL_x11xfixes.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../../events/SDL_touch_c.h"
+
+static bool xfixes_initialized = true;
+static int xfixes_selection_notify_event = 0;
+
+static int query_xfixes_version(Display *display, int major, int minor)
+{
+    // We don't care if this fails, so long as it sets major/minor on it's way out the door.
+    X11_XFixesQueryVersion(display, &major, &minor);
+    return (major * 1000) + minor;
+}
+
+static bool xfixes_version_atleast(const int version, const int wantmajor, const int wantminor)
+{
+    return version >= ((wantmajor * 1000) + wantminor);
+}
+
+void X11_InitXfixes(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data = _this->internal;
+
+    int version = 0;
+    int event, error;
+    int fixes_opcode;
+
+    Atom XA_CLIPBOARD = data->atoms.CLIPBOARD;
+
+    if (!SDL_X11_HAVE_XFIXES ||
+        !X11_XQueryExtension(data->display, "XFIXES", &fixes_opcode, &event, &error)) {
+        return;
+    }
+
+    // Selection tracking is available in all versions of XFixes
+    xfixes_selection_notify_event = event + XFixesSelectionNotify;
+    X11_XFixesSelectSelectionInput(data->display, DefaultRootWindow(data->display),
+            XA_CLIPBOARD, XFixesSetSelectionOwnerNotifyMask);
+    X11_XFixesSelectSelectionInput(data->display, DefaultRootWindow(data->display),
+            XA_PRIMARY, XFixesSetSelectionOwnerNotifyMask);
+
+    // We need at least 5.0 for barriers.
+    version = query_xfixes_version(data->display, 5, 0);
+    if (!xfixes_version_atleast(version, 5, 0)) {
+        return; // X server does not support the version we want at all.
+    }
+
+    xfixes_initialized = 1;
+}
+
+bool X11_XfixesIsInitialized(void)
+{
+    return xfixes_initialized;
+}
+
+int X11_GetXFixesSelectionNotifyEvent(void)
+{
+    return xfixes_selection_notify_event;
+}
+
+bool X11_SetWindowMouseRect(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    if (SDL_RectEmpty(&window->mouse_rect)) {
+        X11_ConfineCursorWithFlags(_this, window, NULL, 0);
+    } else {
+        if (window->flags & SDL_WINDOW_INPUT_FOCUS) {
+            X11_ConfineCursorWithFlags(_this, window, &window->mouse_rect, 0);
+        } else {
+            // Save the state for when we get focus again
+            SDL_WindowData *wdata = window->internal;
+
+            SDL_memcpy(&wdata->barrier_rect, &window->mouse_rect, sizeof(wdata->barrier_rect));
+
+            wdata->pointer_barrier_active = true;
+        }
+    }
+
+    return true;
+}
+
+bool X11_ConfineCursorWithFlags(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rect, int flags)
+{
+    /* Yaakuro: For some reason Xfixes when confining inside a rect where the
+     * edges exactly match, a rectangle the cursor 'slips' out of the barrier.
+     * To prevent that the lines for the barriers will span the whole screen.
+     */
+    SDL_VideoData *data = _this->internal;
+    SDL_WindowData *wdata;
+
+    if (!X11_XfixesIsInitialized()) {
+        return SDL_Unsupported();
+    }
+
+    // If there is already a set of barriers active, disable them.
+    if (data->active_cursor_confined_window) {
+        X11_DestroyPointerBarrier(_this, data->active_cursor_confined_window);
+    }
+
+    SDL_assert(window != NULL);
+    wdata = window->internal;
+
+    /* If user did not specify an area to confine, destroy the barrier that was/is assigned to
+     * this window it was assigned */
+    if (rect) {
+        int x1, y1, x2, y2;
+        SDL_Rect bounds;
+        SDL_GetWindowPosition(window, &bounds.x, &bounds.y);
+        SDL_GetWindowSize(window, &bounds.w, &bounds.h);
+
+        /** Negative values are not allowed. Clip values relative to the specified window. */
+        x1 = bounds.x + SDL_max(rect->x, 0);
+        y1 = bounds.y + SDL_max(rect->y, 0);
+        x2 = SDL_min(bounds.x + rect->x + rect->w, bounds.x + bounds.w);
+        y2 = SDL_min(bounds.y + rect->y + rect->h, bounds.y + bounds.h);
+
+        if ((wdata->barrier_rect.x != rect->x) ||
+            (wdata->barrier_rect.y != rect->y) ||
+            (wdata->barrier_rect.w != rect->w) ||
+            (wdata->barrier_rect.h != rect->h)) {
+            wdata->barrier_rect = *rect;
+        }
+
+        // Use the display bounds to ensure the barriers don't have corner gaps
+        SDL_GetDisplayBounds(SDL_GetDisplayForWindow(window), &bounds);
+
+        /** Create the left barrier */
+        wdata->barrier[0] = X11_XFixesCreatePointerBarrier(data->display, wdata->xwindow,
+                                                           x1, bounds.y,
+                                                           x1, bounds.y + bounds.h,
+                                                           BarrierPositiveX,
+                                                           0, NULL);
+        /** Create the right barrier */
+        wdata->barrier[1] = X11_XFixesCreatePointerBarrier(data->display, wdata->xwindow,
+                                                           x2, bounds.y,
+                                                           x2, bounds.y + bounds.h,
+                                                           BarrierNegativeX,
+                                                           0, NULL);
+        /** Create the top barrier */
+        wdata->barrier[2] = X11_XFixesCreatePointerBarrier(data->display, wdata->xwindow,
+                                                           bounds.x, y1,
+                                                           bounds.x + bounds.w, y1,
+                                                           BarrierPositiveY,
+                                                           0, NULL);
+        /** Create the bottom barrier */
+        wdata->barrier[3] = X11_XFixesCreatePointerBarrier(data->display, wdata->xwindow,
+                                                           bounds.x, y2,
+                                                           bounds.x + bounds.w, y2,
+                                                           BarrierNegativeY,
+                                                           0, NULL);
+
+        X11_XFlush(data->display);
+
+        // Lets remember current active confined window.
+        data->active_cursor_confined_window = window;
+
+        /* User activated the confinement for this window. We use this later to reactivate
+         * the confinement if it got deactivated by FocusOut or UnmapNotify */
+        wdata->pointer_barrier_active = true;
+    } else {
+        X11_DestroyPointerBarrier(_this, window);
+
+        // Only set barrier inactive when user specified NULL and not handled by focus out.
+        if (flags != X11_BARRIER_HANDLED_BY_EVENT) {
+            wdata->pointer_barrier_active = false;
+        }
+    }
+    return true;
+}
+
+void X11_DestroyPointerBarrier(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    int i;
+    SDL_VideoData *data = _this->internal;
+    if (window) {
+        SDL_WindowData *wdata = window->internal;
+
+        for (i = 0; i < 4; i++) {
+            if (wdata->barrier[i] > 0) {
+                X11_XFixesDestroyPointerBarrier(data->display, wdata->barrier[i]);
+                wdata->barrier[i] = 0;
+            }
+        }
+        X11_XFlush(data->display);
+    }
+    data->active_cursor_confined_window = NULL;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_DRIVER_X11_XFIXES

vendor/sdl-3.2.10/src/video/x11/SDL_x11xfixes.h

@@ -0,0 +1,39 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#ifndef SDL_x11xfixes_h_
+#define SDL_x11xfixes_h_
+
+#ifdef SDL_VIDEO_DRIVER_X11_XFIXES
+
+#define X11_BARRIER_HANDLED_BY_EVENT 1
+
+extern void X11_InitXfixes(SDL_VideoDevice *_this);
+extern bool X11_XfixesIsInitialized(void);
+extern bool X11_SetWindowMouseRect(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_ConfineCursorWithFlags(SDL_VideoDevice *_this, SDL_Window *window, const SDL_Rect *rect, int flags);
+extern void X11_DestroyPointerBarrier(SDL_VideoDevice *_this, SDL_Window *window);
+extern int X11_GetXFixesSelectionNotifyEvent(void);
+#endif // SDL_VIDEO_DRIVER_X11_XFIXES
+
+#endif // SDL_x11xfixes_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11xinput2.c

@@ -0,0 +1,829 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11pen.h"
+#include "SDL_x11video.h"
+#include "SDL_x11xinput2.h"
+#include "../../events/SDL_events_c.h"
+#include "../../events/SDL_mouse_c.h"
+#include "../../events/SDL_pen_c.h"
+#include "../../events/SDL_touch_c.h"
+
+#define MAX_AXIS 16
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+static bool xinput2_initialized;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+static bool xinput2_multitouch_supported;
+#endif
+
+/* Opcode returned X11_XQueryExtension
+ * It will be used in event processing
+ * to know that the event came from
+ * this extension */
+static int xinput2_opcode;
+
+static void parse_valuators(const double *input_values, const unsigned char *mask, int mask_len,
+                            double *output_values, int output_values_len)
+{
+    int i = 0, z = 0;
+    int top = mask_len * 8;
+    if (top > MAX_AXIS) {
+        top = MAX_AXIS;
+    }
+
+    SDL_memset(output_values, 0, output_values_len * sizeof(double));
+    for (; i < top && z < output_values_len; i++) {
+        if (XIMaskIsSet(mask, i)) {
+            const int value = (int)*input_values;
+            output_values[z] = value;
+            input_values++;
+        }
+        z++;
+    }
+}
+
+static int query_xinput2_version(Display *display, int major, int minor)
+{
+    // We don't care if this fails, so long as it sets major/minor on it's way out the door.
+    X11_XIQueryVersion(display, &major, &minor);
+    return (major * 1000) + minor;
+}
+
+static bool xinput2_version_atleast(const int version, const int wantmajor, const int wantminor)
+{
+    return version >= ((wantmajor * 1000) + wantminor);
+}
+
+static SDL_WindowData *xinput2_get_sdlwindowdata(SDL_VideoData *videodata, Window window)
+{
+    int i;
+    for (i = 0; i < videodata->numwindows; i++) {
+        SDL_WindowData *d = videodata->windowlist[i];
+        if (d->xwindow == window) {
+            return d;
+        }
+    }
+    return NULL;
+}
+
+static SDL_Window *xinput2_get_sdlwindow(SDL_VideoData *videodata, Window window)
+{
+    const SDL_WindowData *windowdata = xinput2_get_sdlwindowdata(videodata, window);
+    return windowdata ? windowdata->window : NULL;
+}
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+static void xinput2_normalize_touch_coordinates(SDL_Window *window, double in_x, double in_y, float *out_x, float *out_y)
+{
+    if (window) {
+        if (window->w == 1) {
+            *out_x = 0.5f;
+        } else {
+            *out_x = (float)in_x / (window->w - 1);
+        }
+        if (window->h == 1) {
+            *out_y = 0.5f;
+        } else {
+            *out_y = (float)in_y / (window->h - 1);
+        }
+    } else {
+        // couldn't find the window...
+        *out_x = (float)in_x;
+        *out_y = (float)in_y;
+    }
+}
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2
+
+bool X11_InitXinput2(SDL_VideoDevice *_this)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+    SDL_VideoData *data = _this->internal;
+
+    int version = 0;
+    XIEventMask eventmask;
+    unsigned char mask[4] = { 0, 0, 0, 0 };
+    int event, err;
+
+    /* XInput2 is required for relative mouse mode, so you probably want to leave this enabled */
+    if (!SDL_GetHintBoolean("SDL_VIDEO_X11_XINPUT2", true)) {
+        return false;
+    }
+
+    /*
+     * Initialize XInput 2
+     * According to http://who-t.blogspot.com/2009/05/xi2-recipes-part-1.html its better
+     * to inform Xserver what version of Xinput we support.The server will store the version we support.
+     * "As XI2 progresses it becomes important that you use this call as the server may treat the client
+     * differently depending on the supported version".
+     *
+     * FIXME:event and err are not needed but if not passed X11_XQueryExtension returns SegmentationFault
+     */
+    if (!SDL_X11_HAVE_XINPUT2 ||
+        !X11_XQueryExtension(data->display, "XInputExtension", &xinput2_opcode, &event, &err)) {
+        return false; // X server does not have XInput at all
+    }
+
+    // We need at least 2.2 for Multitouch, 2.0 otherwise.
+    version = query_xinput2_version(data->display, 2, 2);
+    if (!xinput2_version_atleast(version, 2, 0)) {
+        return false; // X server does not support the version we want at all.
+    }
+
+    xinput2_initialized = true;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH // Multitouch needs XInput 2.2
+    xinput2_multitouch_supported = xinput2_version_atleast(version, 2, 2);
+#endif
+
+    // Enable raw motion events for this display
+    SDL_zero(eventmask);
+    SDL_zeroa(mask);
+    eventmask.deviceid = XIAllMasterDevices;
+    eventmask.mask_len = sizeof(mask);
+    eventmask.mask = mask;
+
+    XISetMask(mask, XI_RawMotion);
+    XISetMask(mask, XI_RawButtonPress);
+    XISetMask(mask, XI_RawButtonRelease);
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    // Enable raw touch events if supported
+    if (X11_Xinput2IsMultitouchSupported()) {
+        XISetMask(mask, XI_RawTouchBegin);
+        XISetMask(mask, XI_RawTouchUpdate);
+        XISetMask(mask, XI_RawTouchEnd);
+    }
+#endif
+
+    X11_XISelectEvents(data->display, DefaultRootWindow(data->display), &eventmask, 1);
+
+    SDL_zero(eventmask);
+    SDL_zeroa(mask);
+    eventmask.deviceid = XIAllDevices;
+    eventmask.mask_len = sizeof(mask);
+    eventmask.mask = mask;
+
+    XISetMask(mask, XI_HierarchyChanged);
+    X11_XISelectEvents(data->display, DefaultRootWindow(data->display), &eventmask, 1);
+
+    X11_Xinput2UpdateDevices(_this, true);
+
+    return true;
+#else
+    return false;
+#endif
+}
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+// xi2 device went away? take it out of the list.
+static void xinput2_remove_device_info(SDL_VideoData *videodata, const int device_id)
+{
+    SDL_XInput2DeviceInfo *prev = NULL;
+    SDL_XInput2DeviceInfo *devinfo;
+
+    for (devinfo = videodata->mouse_device_info; devinfo; devinfo = devinfo->next) {
+        if (devinfo->device_id == device_id) {
+            SDL_assert((devinfo == videodata->mouse_device_info) == (prev == NULL));
+            if (!prev) {
+                videodata->mouse_device_info = devinfo->next;
+            } else {
+                prev->next = devinfo->next;
+            }
+            SDL_free(devinfo);
+            return;
+        }
+        prev = devinfo;
+    }
+}
+
+static SDL_XInput2DeviceInfo *xinput2_get_device_info(SDL_VideoData *videodata, const int device_id)
+{
+    // cache device info as we see new devices.
+    SDL_XInput2DeviceInfo *prev = NULL;
+    SDL_XInput2DeviceInfo *devinfo;
+    XIDeviceInfo *xidevinfo;
+    int axis = 0;
+    int i;
+
+    for (devinfo = videodata->mouse_device_info; devinfo; devinfo = devinfo->next) {
+        if (devinfo->device_id == device_id) {
+            SDL_assert((devinfo == videodata->mouse_device_info) == (prev == NULL));
+            if (prev) { // move this to the front of the list, assuming we'll get more from this one.
+                prev->next = devinfo->next;
+                devinfo->next = videodata->mouse_device_info;
+                videodata->mouse_device_info = devinfo;
+            }
+            return devinfo;
+        }
+        prev = devinfo;
+    }
+
+    // don't know about this device yet, query and cache it.
+    devinfo = (SDL_XInput2DeviceInfo *)SDL_calloc(1, sizeof(SDL_XInput2DeviceInfo));
+    if (!devinfo) {
+        return NULL;
+    }
+
+    xidevinfo = X11_XIQueryDevice(videodata->display, device_id, &i);
+    if (!xidevinfo) {
+        SDL_free(devinfo);
+        return NULL;
+    }
+
+    devinfo->device_id = device_id;
+
+    /* !!! FIXME: this is sort of hacky because we only care about the first two axes we see, but any given
+       !!! FIXME:  axis could be relative or absolute, and they might not even be the X and Y axes!
+       !!! FIXME:  But we go on, for now. Maybe we need a more robust mouse API in SDL3... */
+    for (i = 0; i < xidevinfo->num_classes; i++) {
+        const XIValuatorClassInfo *v = (const XIValuatorClassInfo *)xidevinfo->classes[i];
+        if (v->type == XIValuatorClass) {
+            devinfo->relative[axis] = (v->mode == XIModeRelative);
+            devinfo->minval[axis] = v->min;
+            devinfo->maxval[axis] = v->max;
+            if (++axis >= 2) {
+                break;
+            }
+        }
+    }
+
+    X11_XIFreeDeviceInfo(xidevinfo);
+
+    devinfo->next = videodata->mouse_device_info;
+    videodata->mouse_device_info = devinfo;
+
+    return devinfo;
+}
+#endif
+
+void X11_HandleXinput2Event(SDL_VideoDevice *_this, XGenericEventCookie *cookie)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+    SDL_VideoData *videodata = _this->internal;
+
+    if (cookie->extension != xinput2_opcode) {
+        return;
+    }
+
+    switch (cookie->evtype) {
+    case XI_HierarchyChanged:
+    {
+        const XIHierarchyEvent *hierev = (const XIHierarchyEvent *)cookie->data;
+        int i;
+        for (i = 0; i < hierev->num_info; i++) {
+            // pen stuff...
+            if ((hierev->info[i].flags & (XISlaveRemoved | XIDeviceDisabled)) != 0) {
+                X11_RemovePenByDeviceID(hierev->info[i].deviceid);  // it's okay if this thing isn't actually a pen, it'll handle it.
+            } else if ((hierev->info[i].flags & (XISlaveAdded | XIDeviceEnabled)) != 0) {
+                X11_MaybeAddPenByDeviceID(_this, hierev->info[i].deviceid);  // this will do more checks to make sure this is valid.
+            }
+
+            // not pen stuff...
+            if (hierev->info[i].flags & XISlaveRemoved) {
+                xinput2_remove_device_info(videodata, hierev->info[i].deviceid);
+            }
+        }
+        videodata->xinput_hierarchy_changed = true;
+    } break;
+
+    // !!! FIXME: the pen code used to rescan all devices here, but we can do this device-by-device with XI_HierarchyChanged. When do these events fire and why?
+    //case XI_PropertyEvent:
+    //case XI_DeviceChanged:
+
+    case XI_RawMotion:
+    {
+        const XIRawEvent *rawev = (const XIRawEvent *)cookie->data;
+        const bool is_pen = X11_FindPenByDeviceID(rawev->sourceid) != NULL;
+        SDL_Mouse *mouse = SDL_GetMouse();
+        SDL_XInput2DeviceInfo *devinfo;
+        double coords[2];
+        double processed_coords[2];
+        int i;
+        Uint64 timestamp = X11_GetEventTimestamp(rawev->time);
+
+        videodata->global_mouse_changed = true;
+        if (is_pen) {
+            break; // Pens check for XI_Motion instead
+        }
+
+        devinfo = xinput2_get_device_info(videodata, rawev->deviceid);
+        if (!devinfo) {
+            break; // oh well.
+        }
+
+        parse_valuators(rawev->raw_values, rawev->valuators.mask,
+                        rawev->valuators.mask_len, coords, 2);
+
+        for (i = 0; i < 2; i++) {
+            if (devinfo->relative[i]) {
+                processed_coords[i] = coords[i];
+            } else {
+                processed_coords[i] = devinfo->prev_coords[i] - coords[i]; // convert absolute to relative
+            }
+        }
+
+        // Relative mouse motion is delivered to the window with keyboard focus
+        if (mouse->relative_mode && SDL_GetKeyboardFocus()) {
+            SDL_SendMouseMotion(timestamp, mouse->focus, (SDL_MouseID)rawev->sourceid, true, (float)processed_coords[0], (float)processed_coords[1]);
+        }
+
+        devinfo->prev_coords[0] = coords[0];
+        devinfo->prev_coords[1] = coords[1];
+    } break;
+
+    case XI_KeyPress:
+    case XI_KeyRelease:
+    {
+        const XIDeviceEvent *xev = (const XIDeviceEvent *)cookie->data;
+        SDL_WindowData *windowdata = X11_FindWindow(_this, xev->event);
+        XEvent xevent;
+
+        if (xev->deviceid != xev->sourceid) {
+            // Discard events from "Master" devices to avoid duplicates.
+            break;
+        }
+
+        if (cookie->evtype == XI_KeyPress) {
+            xevent.type = KeyPress;
+        } else {
+            xevent.type = KeyRelease;
+        }
+        xevent.xkey.serial = xev->serial;
+        xevent.xkey.send_event = xev->send_event;
+        xevent.xkey.display = xev->display;
+        xevent.xkey.window = xev->event;
+        xevent.xkey.root = xev->root;
+        xevent.xkey.subwindow = xev->child;
+        xevent.xkey.time = xev->time;
+        xevent.xkey.x = (int)xev->event_x;
+        xevent.xkey.y = (int)xev->event_y;
+        xevent.xkey.x_root = (int)xev->root_x;
+        xevent.xkey.y_root = (int)xev->root_y;
+        xevent.xkey.state = xev->mods.effective;
+        xevent.xkey.keycode = xev->detail;
+        xevent.xkey.same_screen = 1;
+
+        X11_HandleKeyEvent(_this, windowdata, (SDL_KeyboardID)xev->sourceid, &xevent);
+    } break;
+
+    case XI_RawButtonPress:
+    case XI_RawButtonRelease:
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    case XI_RawTouchBegin:
+    case XI_RawTouchUpdate:
+    case XI_RawTouchEnd:
+#endif
+    {
+        videodata->global_mouse_changed = true;
+    } break;
+
+    case XI_ButtonPress:
+    case XI_ButtonRelease:
+    {
+        const XIDeviceEvent *xev = (const XIDeviceEvent *)cookie->data;
+        X11_PenHandle *pen = X11_FindPenByDeviceID(xev->deviceid);
+        const int button = xev->detail;
+        const bool down = (cookie->evtype == XI_ButtonPress);
+
+        if (pen) {
+            // Only report button event; if there was also pen movement / pressure changes, we expect an XI_Motion event first anyway.
+            SDL_Window *window = xinput2_get_sdlwindow(videodata, xev->event);
+            if (button == 1) { // button 1 is the pen tip
+                SDL_SendPenTouch(0, pen->pen, window, pen->is_eraser, down);
+            } else {
+                SDL_SendPenButton(0, pen->pen, window, button - 1, down);
+            }
+        } else {
+            // Otherwise assume a regular mouse
+            SDL_WindowData *windowdata = xinput2_get_sdlwindowdata(videodata, xev->event);
+
+            if (xev->deviceid != xev->sourceid) {
+                // Discard events from "Master" devices to avoid duplicates.
+                break;
+            }
+
+            if (down) {
+                X11_HandleButtonPress(_this, windowdata, (SDL_MouseID)xev->sourceid, button,
+                                      (float)xev->event_x, (float)xev->event_y, xev->time);
+            } else {
+                X11_HandleButtonRelease(_this, windowdata, (SDL_MouseID)xev->sourceid, button, xev->time);
+            }
+        }
+    } break;
+
+    /* Register to receive XI_Motion (which deactivates MotionNotify), so that we can distinguish
+       real mouse motions from synthetic ones, for multitouch and pen support. */
+    case XI_Motion:
+    {
+        const XIDeviceEvent *xev = (const XIDeviceEvent *)cookie->data;
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+        bool pointer_emulated = ((xev->flags & XIPointerEmulated) != 0);
+#else
+        bool pointer_emulated = false;
+#endif
+
+        videodata->global_mouse_changed = true;
+
+        X11_PenHandle *pen = X11_FindPenByDeviceID(xev->deviceid);
+        if (pen) {
+            if (xev->deviceid != xev->sourceid) {
+                // Discard events from "Master" devices to avoid duplicates.
+                break;
+            }
+
+            SDL_Window *window = xinput2_get_sdlwindow(videodata, xev->event);
+            SDL_SendPenMotion(0, pen->pen, window, (float) xev->event_x, (float) xev->event_y);
+
+            float axes[SDL_PEN_AXIS_COUNT];
+            X11_PenAxesFromValuators(pen, xev->valuators.values, xev->valuators.mask, xev->valuators.mask_len, axes);
+
+            for (int i = 0; i < SDL_arraysize(axes); i++) {
+                if (pen->valuator_for_axis[i] != SDL_X11_PEN_AXIS_VALUATOR_MISSING) {
+                    SDL_SendPenAxis(0, pen->pen, window, (SDL_PenAxis) i, axes[i]);
+                }
+            }
+        } else if (!pointer_emulated && xev->deviceid == videodata->xinput_master_pointer_device) {
+            // Use the master device for non-relative motion, as the slave devices can seemingly lag behind.
+            SDL_Mouse *mouse = SDL_GetMouse();
+            if (!mouse->relative_mode) {
+                SDL_Window *window = xinput2_get_sdlwindow(videodata, xev->event);
+                if (window) {
+                    X11_ProcessHitTest(_this, window->internal, (float)xev->event_x, (float)xev->event_y, false);
+                    SDL_SendMouseMotion(0, window, SDL_GLOBAL_MOUSE_ID, false, (float)xev->event_x, (float)xev->event_y);
+                }
+            }
+        }
+    } break;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    case XI_TouchBegin:
+    {
+        const XIDeviceEvent *xev = (const XIDeviceEvent *)cookie->data;
+        float x, y;
+        SDL_Window *window = xinput2_get_sdlwindow(videodata, xev->event);
+        xinput2_normalize_touch_coordinates(window, xev->event_x, xev->event_y, &x, &y);
+        SDL_SendTouch(0, xev->sourceid, xev->detail, window, SDL_EVENT_FINGER_DOWN, x, y, 1.0);
+    } break;
+
+    case XI_TouchEnd:
+    {
+        const XIDeviceEvent *xev = (const XIDeviceEvent *)cookie->data;
+        float x, y;
+        SDL_Window *window = xinput2_get_sdlwindow(videodata, xev->event);
+        xinput2_normalize_touch_coordinates(window, xev->event_x, xev->event_y, &x, &y);
+        SDL_SendTouch(0, xev->sourceid, xev->detail, window, SDL_EVENT_FINGER_UP, x, y, 1.0);
+    } break;
+
+    case XI_TouchUpdate:
+    {
+        const XIDeviceEvent *xev = (const XIDeviceEvent *)cookie->data;
+        float x, y;
+        SDL_Window *window = xinput2_get_sdlwindow(videodata, xev->event);
+        xinput2_normalize_touch_coordinates(window, xev->event_x, xev->event_y, &x, &y);
+        SDL_SendTouchMotion(0, xev->sourceid, xev->detail, window, x, y, 1.0);
+    } break;
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    }
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2
+}
+
+void X11_InitXinput2Multitouch(SDL_VideoDevice *_this)
+{
+}
+
+void X11_Xinput2SelectTouch(SDL_VideoDevice *_this, SDL_Window *window)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    SDL_VideoData *data = NULL;
+    XIEventMask eventmask;
+    unsigned char mask[4] = { 0, 0, 0, 0 };
+    SDL_WindowData *window_data = NULL;
+
+    if (!X11_Xinput2IsMultitouchSupported()) {
+        return;
+    }
+
+    data = _this->internal;
+    window_data = window->internal;
+
+    eventmask.deviceid = XIAllMasterDevices;
+    eventmask.mask_len = sizeof(mask);
+    eventmask.mask = mask;
+
+    XISetMask(mask, XI_TouchBegin);
+    XISetMask(mask, XI_TouchUpdate);
+    XISetMask(mask, XI_TouchEnd);
+    XISetMask(mask, XI_Motion);
+
+    X11_XISelectEvents(data->display, window_data->xwindow, &eventmask, 1);
+#endif
+}
+
+bool X11_Xinput2IsInitialized(void)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+    return xinput2_initialized;
+#else
+    return false;
+#endif
+}
+
+bool X11_Xinput2SelectMouseAndKeyboard(SDL_VideoDevice *_this, SDL_Window *window)
+{
+    SDL_WindowData *windowdata = window->internal;
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+    const SDL_VideoData *data = _this->internal;
+
+    if (X11_Xinput2IsInitialized()) {
+        XIEventMask eventmask;
+        unsigned char mask[4] = { 0, 0, 0, 0 };
+
+        eventmask.mask_len = sizeof(mask);
+        eventmask.mask = mask;
+        eventmask.deviceid = XIAllDevices;
+
+// This is not enabled by default because these events are only delivered to the window with mouse focus, not keyboard focus
+#ifdef USE_XINPUT2_KEYBOARD
+        XISetMask(mask, XI_KeyPress);
+        XISetMask(mask, XI_KeyRelease);
+        windowdata->xinput2_keyboard_enabled = true;
+#endif
+
+        XISetMask(mask, XI_ButtonPress);
+        XISetMask(mask, XI_ButtonRelease);
+        XISetMask(mask, XI_Motion);
+        windowdata->xinput2_mouse_enabled = true;
+
+        XISetMask(mask, XI_Enter);
+        XISetMask(mask, XI_Leave);
+
+        // Hotplugging:
+        XISetMask(mask, XI_DeviceChanged);
+        XISetMask(mask, XI_HierarchyChanged);
+        XISetMask(mask, XI_PropertyEvent); // E.g., when swapping tablet pens
+
+        if (X11_XISelectEvents(data->display, windowdata->xwindow, &eventmask, 1) != Success) {
+            SDL_LogWarn(SDL_LOG_CATEGORY_INPUT, "Could not enable XInput2 event handling");
+            windowdata->xinput2_keyboard_enabled = false;
+            windowdata->xinput2_mouse_enabled = false;
+        }
+    }
+#endif
+
+    if (windowdata->xinput2_keyboard_enabled || windowdata->xinput2_mouse_enabled) {
+        return true;
+    }
+    return false;
+}
+
+bool X11_Xinput2IsMultitouchSupported(void)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    return xinput2_initialized && xinput2_multitouch_supported;
+#else
+    return true;
+#endif
+}
+
+void X11_Xinput2GrabTouch(SDL_VideoDevice *_this, SDL_Window *window)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+
+    unsigned char mask[4] = { 0, 0, 0, 0 };
+    XIGrabModifiers mods;
+    XIEventMask eventmask;
+
+    if (!X11_Xinput2IsMultitouchSupported()) {
+        return;
+    }
+
+    mods.modifiers = XIAnyModifier;
+    mods.status = 0;
+
+    eventmask.deviceid = XIAllDevices;
+    eventmask.mask_len = sizeof(mask);
+    eventmask.mask = mask;
+
+    XISetMask(eventmask.mask, XI_TouchBegin);
+    XISetMask(eventmask.mask, XI_TouchUpdate);
+    XISetMask(eventmask.mask, XI_TouchEnd);
+    XISetMask(eventmask.mask, XI_Motion);
+
+    X11_XIGrabTouchBegin(display, XIAllDevices, data->xwindow, True, &eventmask, 1, &mods);
+#endif
+}
+
+void X11_Xinput2UngrabTouch(SDL_VideoDevice *_this, SDL_Window *window)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+
+    XIGrabModifiers mods;
+
+    if (!X11_Xinput2IsMultitouchSupported()) {
+        return;
+    }
+
+    mods.modifiers = XIAnyModifier;
+    mods.status = 0;
+
+    X11_XIUngrabTouchBegin(display, XIAllDevices, data->xwindow, 1, &mods);
+#endif
+}
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+
+static void AddDeviceID(Uint32 deviceID, Uint32 **list, int *count)
+{
+    int new_count = (*count + 1);
+    Uint32 *new_list = (Uint32 *)SDL_realloc(*list, new_count * sizeof(*new_list));
+    if (!new_list) {
+        // Oh well, we'll drop this one
+        return;
+    }
+    new_list[new_count - 1] = deviceID;
+
+    *count = new_count;
+    *list = new_list;
+}
+
+static bool HasDeviceID(Uint32 deviceID, const Uint32 *list, int count)
+{
+    for (int i = 0; i < count; ++i) {
+        if (deviceID == list[i]) {
+            return true;
+        }
+    }
+    return false;
+}
+
+static void AddDeviceID64(Uint64 deviceID, Uint64 **list, int *count)
+{
+    int new_count = (*count + 1);
+    Uint64 *new_list = (Uint64 *)SDL_realloc(*list, new_count * sizeof(*new_list));
+    if (!new_list) {
+        // Oh well, we'll drop this one
+        return;
+    }
+    new_list[new_count - 1] = deviceID;
+
+    *count = new_count;
+    *list = new_list;
+}
+
+static bool HasDeviceID64(Uint64 deviceID, const Uint64 *list, int count)
+{
+    for (int i = 0; i < count; ++i) {
+        if (deviceID == list[i]) {
+            return true;
+        }
+    }
+    return false;
+}
+
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2
+
+void X11_Xinput2UpdateDevices(SDL_VideoDevice *_this, bool initial_check)
+{
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2
+    SDL_VideoData *data = _this->internal;
+    XIDeviceInfo *info;
+    int ndevices;
+    int old_keyboard_count = 0;
+    SDL_KeyboardID *old_keyboards = NULL;
+    int new_keyboard_count = 0;
+    SDL_KeyboardID *new_keyboards = NULL;
+    int old_mouse_count = 0;
+    SDL_MouseID *old_mice = NULL;
+    int new_mouse_count = 0;
+    SDL_MouseID *new_mice = NULL;
+    int old_touch_count = 0;
+    Uint64 *old_touch_devices = NULL;
+    int new_touch_count = 0;
+    Uint64 *new_touch_devices = NULL;
+    bool send_event = !initial_check;
+
+    SDL_assert(X11_Xinput2IsInitialized());
+
+    info = X11_XIQueryDevice(data->display, XIAllDevices, &ndevices);
+
+    old_keyboards = SDL_GetKeyboards(&old_keyboard_count);
+    old_mice = SDL_GetMice(&old_mouse_count);
+    old_touch_devices = SDL_GetTouchDevices(&old_touch_count);
+
+    for (int i = 0; i < ndevices; i++) {
+        XIDeviceInfo *dev = &info[i];
+
+        switch (dev->use) {
+        case XIMasterKeyboard:
+        case XISlaveKeyboard:
+            {
+                SDL_KeyboardID keyboardID = (SDL_KeyboardID)dev->deviceid;
+                AddDeviceID(keyboardID, &new_keyboards, &new_keyboard_count);
+                if (!HasDeviceID(keyboardID, old_keyboards, old_keyboard_count)) {
+                    SDL_AddKeyboard(keyboardID, dev->name, send_event);
+                }
+            }
+            break;
+        case XIMasterPointer:
+            data->xinput_master_pointer_device = dev->deviceid;
+            SDL_FALLTHROUGH;
+        case XISlavePointer:
+            {
+                SDL_MouseID mouseID = (SDL_MouseID)dev->deviceid;
+                AddDeviceID(mouseID, &new_mice, &new_mouse_count);
+                if (!HasDeviceID(mouseID, old_mice, old_mouse_count)) {
+                    SDL_AddMouse(mouseID, dev->name, send_event);
+                }
+            }
+            break;
+        default:
+            break;
+        }
+
+#ifdef SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+        for (int j = 0; j < dev->num_classes; j++) {
+            Uint64 touchID;
+            SDL_TouchDeviceType touchType;
+            XIAnyClassInfo *class = dev->classes[j];
+            XITouchClassInfo *t = (XITouchClassInfo *)class;
+
+            // Only touch devices
+            if (class->type != XITouchClass) {
+                continue;
+            }
+
+            touchID = (Uint64)t->sourceid;
+            AddDeviceID64(touchID, &new_touch_devices, &new_touch_count);
+            if (!HasDeviceID64(touchID, old_touch_devices, old_touch_count)) {
+                if (t->mode == XIDependentTouch) {
+                    touchType = SDL_TOUCH_DEVICE_INDIRECT_RELATIVE;
+                } else { // XIDirectTouch
+                    touchType = SDL_TOUCH_DEVICE_DIRECT;
+                }
+                SDL_AddTouch(touchID, touchType, dev->name);
+            }
+        }
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2_SUPPORTS_MULTITOUCH
+    }
+
+    for (int i = old_keyboard_count; i--;) {
+        if (!HasDeviceID(old_keyboards[i], new_keyboards, new_keyboard_count)) {
+            SDL_RemoveKeyboard(old_keyboards[i], send_event);
+        }
+    }
+
+    for (int i = old_mouse_count; i--;) {
+        if (!HasDeviceID(old_mice[i], new_mice, new_mouse_count)) {
+            SDL_RemoveMouse(old_mice[i], send_event);
+        }
+    }
+
+    for (int i = old_touch_count; i--;) {
+        if (!HasDeviceID64(old_touch_devices[i], new_touch_devices, new_touch_count)) {
+            SDL_DelTouch(old_touch_devices[i]);
+        }
+    }
+
+    SDL_free(old_keyboards);
+    SDL_free(new_keyboards);
+    SDL_free(old_mice);
+    SDL_free(new_mice);
+    SDL_free(old_touch_devices);
+    SDL_free(new_touch_devices);
+
+    X11_XIFreeDeviceInfo(info);
+
+#endif // SDL_VIDEO_DRIVER_X11_XINPUT2
+}
+
+#endif // SDL_VIDEO_DRIVER_X11

vendor/sdl-3.2.10/src/video/x11/SDL_x11xinput2.h

@@ -0,0 +1,44 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifndef SDL_x11xinput2_h_
+#define SDL_x11xinput2_h_
+
+#ifndef SDL_VIDEO_DRIVER_X11_SUPPORTS_GENERIC_EVENTS
+/* Define XGenericEventCookie as forward declaration when
+ *xinput2 is not available in order to compile */
+struct XGenericEventCookie;
+typedef struct XGenericEventCookie XGenericEventCookie;
+#endif
+
+extern bool X11_InitXinput2(SDL_VideoDevice *_this);
+extern void X11_InitXinput2Multitouch(SDL_VideoDevice *_this);
+extern void X11_HandleXinput2Event(SDL_VideoDevice *_this, XGenericEventCookie *cookie);
+extern bool X11_Xinput2IsInitialized(void);
+extern bool X11_Xinput2IsMultitouchSupported(void);
+extern void X11_Xinput2SelectTouch(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_Xinput2GrabTouch(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_Xinput2UngrabTouch(SDL_VideoDevice *_this, SDL_Window *window);
+extern bool X11_Xinput2SelectMouseAndKeyboard(SDL_VideoDevice *_this, SDL_Window *window);
+extern void X11_Xinput2UpdateDevices(SDL_VideoDevice *_this, bool initial_check);
+
+#endif // SDL_x11xinput2_h_

vendor/sdl-3.2.10/src/video/x11/SDL_x11xsync.c

@@ -0,0 +1,148 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#if defined(SDL_VIDEO_DRIVER_X11) && defined(SDL_VIDEO_DRIVER_X11_XSYNC)
+
+#include "SDL_x11video.h"
+#include "SDL_x11xsync.h"
+
+static int xsync_initialized = 0;
+
+static int query_xsync_version(Display *display, int major, int minor)
+{
+    /* We don't care if this fails, so long as it sets major/minor on it's way out the door. */
+    X11_XSyncInitialize(display, &major, &minor);
+    return (major * 1000) + minor;
+}
+
+static bool xsync_version_atleast(const int version, const int wantmajor, const int wantminor)
+{
+    return version >= ((wantmajor * 1000) + wantminor);
+}
+
+void X11_InitXsync(SDL_VideoDevice *_this)
+{
+    SDL_VideoData *data =  _this->internal;
+
+    int version = 0;
+    int event, error;
+    int sync_opcode;
+
+    if (!SDL_X11_HAVE_XSYNC ||
+        !X11_XQueryExtension(data->display, "SYNC", &sync_opcode, &event, &error)) {
+        return;
+    }
+
+    /* We need at least 5.0 for barriers. */
+    version = query_xsync_version(data->display, 5, 0);
+    if (!xsync_version_atleast(version, 3, 0)) {
+        return; /* X server does not support the version we want at all. */
+    }
+
+    xsync_initialized = 1;
+}
+
+int X11_XsyncIsInitialized(void)
+{
+    return xsync_initialized;
+}
+
+int X11_InitResizeSync(SDL_Window *window)
+{
+    SDL_assert(window != NULL);
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+    Atom counter_prop = data->videodata->atoms._NET_WM_SYNC_REQUEST_COUNTER;
+    XSyncCounter counter;
+    CARD32 counter_id;
+
+    if (!X11_XsyncIsInitialized()){
+        return SDL_Unsupported();
+    }
+
+    counter = X11_XSyncCreateCounter(display, (XSyncValue){0, 0});
+    data->resize_counter = counter;
+    data->resize_id.lo = 0;
+    data->resize_id.hi = 0;
+    data->resize_in_progress = false;
+
+    if (counter == None){
+        return SDL_Unsupported();
+    }
+
+    counter_id = counter;
+    X11_XChangeProperty(display, data->xwindow, counter_prop, XA_CARDINAL, 32,
+                        PropModeReplace, (unsigned char *)&counter_id, 1);
+
+    return 0;
+}
+
+void X11_TermResizeSync(SDL_Window *window)
+{
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+    Atom counter_prop = data->videodata->atoms._NET_WM_SYNC_REQUEST_COUNTER;
+    XSyncCounter counter = data->resize_counter;
+
+    X11_XDeleteProperty(display, data->xwindow, counter_prop);
+    if (counter != None) {
+        X11_XSyncDestroyCounter(display, counter);
+    }
+}
+
+void X11_HandleSyncRequest(SDL_Window *window, XClientMessageEvent *event)
+{
+    SDL_WindowData *data = window->internal;
+
+    data->resize_id.lo = event->data.l[2];
+    data->resize_id.hi = event->data.l[3];
+    data->resize_in_progress = false;
+}
+
+void X11_HandleConfigure(SDL_Window *window, XConfigureEvent *event)
+{
+    SDL_WindowData *data = window->internal;
+
+    if (data->resize_id.lo || data->resize_id.hi) {
+        data->resize_in_progress = true;
+    }
+}
+
+void X11_HandlePresent(SDL_Window *window)
+{
+    SDL_WindowData *data = window->internal;
+    Display *display = data->videodata->display;
+    XSyncCounter counter = data->resize_counter;
+
+    if ((counter == None) || (!data->resize_in_progress)) {
+        return;
+    }
+
+    X11_XSyncSetCounter(display, counter, data->resize_id);
+
+    data->resize_id.lo = 0;
+    data->resize_id.hi = 0;
+    data->resize_in_progress = false;
+}
+
+#endif /* SDL_VIDEO_DRIVER_X11 && SDL_VIDEO_DRIVER_X11_XSYNC */

vendor/sdl-3.2.10/src/video/x11/SDL_x11xsync.h

@@ -0,0 +1,39 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+
+#include "SDL_internal.h"
+
+#ifndef SDL_x11xsync_h_
+#define SDL_x11xsync_h_
+
+#ifdef SDL_VIDEO_DRIVER_X11_XSYNC
+
+extern void X11_InitXsync(SDL_VideoDevice *_this);
+extern int X11_XsyncIsInitialized(void);
+int X11_InitResizeSync(SDL_Window *window);
+void X11_TermResizeSync(SDL_Window *window);
+void X11_HandleSyncRequest(SDL_Window *window, XClientMessageEvent *event);
+void X11_HandleConfigure(SDL_Window *window, XConfigureEvent *event);
+void X11_HandlePresent(SDL_Window *window);
+
+#endif /* SDL_VIDEO_DRIVER_X11_XSYNC */
+
+#endif /* SDL_x11xsync_h_ */

vendor/sdl-3.2.10/src/video/x11/edid-parse.c

@@ -0,0 +1,753 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Author: Soren Sandmann <sandmann@redhat.com> */
+#include "SDL_internal.h"
+
+#include "edid.h"
+#include <stdlib.h>
+#include <string.h>
+#include <math.h>
+#include <stdio.h>
+
+#define TRUE 1
+#define FALSE 0
+
+static int
+get_bit (int in, int bit)
+{
+    return (in & (1 << bit)) >> bit;
+}
+
+static int
+get_bits (int in, int begin, int end)
+{
+    int mask = (1 << (end - begin + 1)) - 1;
+    
+    return (in >> begin) & mask;
+}
+
+static int
+decode_header (const uchar *edid)
+{
+    if (SDL_memcmp (edid, "\x00\xff\xff\xff\xff\xff\xff\x00", 8) == 0)
+	return TRUE;
+    return FALSE;
+}
+
+static int
+decode_vendor_and_product_identification (const uchar *edid, MonitorInfo *info)
+{
+    int is_model_year;
+    
+    /* Manufacturer Code */
+    info->manufacturer_code[0]  = get_bits (edid[0x08], 2, 6);
+    info->manufacturer_code[1]  = get_bits (edid[0x08], 0, 1) << 3;
+    info->manufacturer_code[1] |= get_bits (edid[0x09], 5, 7);
+    info->manufacturer_code[2]  = get_bits (edid[0x09], 0, 4);
+    info->manufacturer_code[3]  = '\0';
+    
+    info->manufacturer_code[0] += 'A' - 1;
+    info->manufacturer_code[1] += 'A' - 1;
+    info->manufacturer_code[2] += 'A' - 1;
+
+    /* Product Code */
+    info->product_code = edid[0x0b] << 8 | edid[0x0a];
+
+    /* Serial Number */
+    info->serial_number =
+	edid[0x0c] | edid[0x0d] << 8 | edid[0x0e] << 16 | (Uint32)edid[0x0f] << 24;
+
+    /* Week and Year */
+    is_model_year = FALSE;
+    switch (edid[0x10])
+    {
+    case 0x00:
+	info->production_week = -1;
+	break;
+
+    case 0xff:
+	info->production_week = -1;
+	is_model_year = TRUE;
+	break;
+
+    default:
+	info->production_week = edid[0x10];
+	break;
+    }
+
+    if (is_model_year)
+    {
+	info->production_year = -1;
+	info->model_year = 1990 + edid[0x11];
+    }
+    else
+    {
+	info->production_year = 1990 + edid[0x11];
+	info->model_year = -1;
+    }
+
+    return TRUE;
+}
+
+static int
+decode_edid_version (const uchar *edid, MonitorInfo *info)
+{
+    info->major_version = edid[0x12];
+    info->minor_version = edid[0x13];
+
+    return TRUE;
+}
+
+static int
+decode_display_parameters (const uchar *edid, MonitorInfo *info)
+{
+    /* Digital vs Analog */
+    info->is_digital = get_bit (edid[0x14], 7);
+
+    if (info->is_digital)
+    {
+	int bits;
+	
+	static const int bit_depth[8] =
+	{
+	    -1, 6, 8, 10, 12, 14, 16, -1
+	};
+
+	static const Interface interfaces[6] =
+	{
+	    UNDEFINED, DVI, HDMI_A, HDMI_B, MDDI, DISPLAY_PORT
+	};
+
+	bits = get_bits (edid[0x14], 4, 6);
+	info->ad.digital.bits_per_primary = bit_depth[bits];
+
+	bits = get_bits (edid[0x14], 0, 3);
+	
+	if (bits <= 5)
+	    info->ad.digital.interface = interfaces[bits];
+	else
+	    info->ad.digital.interface = UNDEFINED;
+    }
+    else
+    {
+	int bits = get_bits (edid[0x14], 5, 6);
+	
+	static const double levels[][3] =
+	{
+	    { 0.7,   0.3,    1.0 },
+	    { 0.714, 0.286,  1.0 },
+	    { 1.0,   0.4,    1.4 },
+	    { 0.7,   0.0,    0.7 },
+	};
+
+	info->ad.analog.video_signal_level = levels[bits][0];
+	info->ad.analog.sync_signal_level = levels[bits][1];
+	info->ad.analog.total_signal_level = levels[bits][2];
+
+	info->ad.analog.blank_to_black = get_bit (edid[0x14], 4);
+
+	info->ad.analog.separate_hv_sync = get_bit (edid[0x14], 3);
+	info->ad.analog.composite_sync_on_h = get_bit (edid[0x14], 2);
+	info->ad.analog.composite_sync_on_green = get_bit (edid[0x14], 1);
+
+	info->ad.analog.serration_on_vsync = get_bit (edid[0x14], 0);
+    }
+
+    /* Screen Size / Aspect Ratio */
+    if (edid[0x15] == 0 && edid[0x16] == 0)
+    {
+	info->width_mm = -1;
+	info->height_mm = -1;
+	info->aspect_ratio = -1.0;
+    }
+    else if (edid[0x16] == 0)
+    {
+	info->width_mm = -1;
+	info->height_mm = -1; 
+	info->aspect_ratio = 100.0 / (edid[0x15] + 99);
+    }
+    else if (edid[0x15] == 0)
+    {
+	info->width_mm = -1;
+	info->height_mm = -1;
+	info->aspect_ratio = 100.0 / (edid[0x16] + 99);
+	info->aspect_ratio = 1/info->aspect_ratio; /* portrait */
+    }
+    else
+    {
+	info->width_mm = 10 * edid[0x15];
+	info->height_mm = 10 * edid[0x16];
+    }
+
+    /* Gamma */
+    if (edid[0x17] == 0xFF)
+	info->gamma = -1.0;
+    else
+	info->gamma = (edid[0x17] + 100.0) / 100.0;
+
+    /* Features */
+    info->standby = get_bit (edid[0x18], 7);
+    info->suspend = get_bit (edid[0x18], 6);
+    info->active_off = get_bit (edid[0x18], 5);
+
+    if (info->is_digital)
+    {
+	info->ad.digital.rgb444 = TRUE;
+	if (get_bit (edid[0x18], 3))
+	    info->ad.digital.ycrcb444 = 1;
+	if (get_bit (edid[0x18], 4))
+	    info->ad.digital.ycrcb422 = 1;
+    }
+    else
+    {
+	int bits = get_bits (edid[0x18], 3, 4);
+	ColorType color_type[4] =
+	{
+	    MONOCHROME, RGB, OTHER_COLOR, UNDEFINED_COLOR
+	};
+
+	info->ad.analog.color_type = color_type[bits];
+    }
+
+    info->srgb_is_standard = get_bit (edid[0x18], 2);
+
+    /* In 1.3 this is called "has preferred timing" */
+    info->preferred_timing_includes_native = get_bit (edid[0x18], 1);
+
+    /* FIXME: In 1.3 this indicates whether the monitor accepts GTF */
+    info->continuous_frequency = get_bit (edid[0x18], 0);
+    return TRUE;
+}
+
+static double
+decode_fraction (int high, int low)
+{
+    double result = 0.0;
+    int i;
+
+    high = (high << 2) | low;
+
+    for (i = 0; i < 10; ++i)
+	result += get_bit (high, i) * SDL_pow (2, i - 10);
+
+    return result;
+}
+
+static int
+decode_color_characteristics (const uchar *edid, MonitorInfo *info)
+{
+    info->red_x = decode_fraction (edid[0x1b], get_bits (edid[0x19], 6, 7));
+    info->red_y = decode_fraction (edid[0x1c], get_bits (edid[0x19], 5, 4));
+    info->green_x = decode_fraction (edid[0x1d], get_bits (edid[0x19], 2, 3));
+    info->green_y = decode_fraction (edid[0x1e], get_bits (edid[0x19], 0, 1));
+    info->blue_x = decode_fraction (edid[0x1f], get_bits (edid[0x1a], 6, 7));
+    info->blue_y = decode_fraction (edid[0x20], get_bits (edid[0x1a], 4, 5));
+    info->white_x = decode_fraction (edid[0x21], get_bits (edid[0x1a], 2, 3));
+    info->white_y = decode_fraction (edid[0x22], get_bits (edid[0x1a], 0, 1));
+
+    return TRUE;
+}
+
+static int
+decode_established_timings (const uchar *edid, MonitorInfo *info)
+{
+    static const Timing established[][8] = 
+    {
+	{
+	    { 800, 600, 60 },
+	    { 800, 600, 56 },
+	    { 640, 480, 75 },
+	    { 640, 480, 72 },
+	    { 640, 480, 67 },
+	    { 640, 480, 60 },
+	    { 720, 400, 88 },
+	    { 720, 400, 70 }
+	},
+	{
+	    { 1280, 1024, 75 },
+	    { 1024, 768, 75 },
+	    { 1024, 768, 70 },
+	    { 1024, 768, 60 },
+	    { 1024, 768, 87 },
+	    { 832, 624, 75 },
+	    { 800, 600, 75 },
+	    { 800, 600, 72 }
+	},
+	{
+	    { 0, 0, 0 },
+	    { 0, 0, 0 },
+	    { 0, 0, 0 },
+	    { 0, 0, 0 },
+	    { 0, 0, 0 },
+	    { 0, 0, 0 },
+	    { 0, 0, 0 },
+	    { 1152, 870, 75 }
+	},
+    };
+
+    int i, j, idx;
+
+    idx = 0;
+    for (i = 0; i < 3; ++i)
+    {
+	for (j = 0; j < 8; ++j)
+	{
+	    int byte = edid[0x23 + i];
+
+	    if (get_bit (byte, j) && established[i][j].frequency != 0)
+		info->established[idx++] = established[i][j];
+	}
+    }
+    return TRUE;
+}
+
+static int
+decode_standard_timings (const uchar *edid, MonitorInfo *info)
+{
+    int i;
+    
+    for (i = 0; i < 8; i++)
+    {
+	int first = edid[0x26 + 2 * i];
+	int second = edid[0x27 + 2 * i];
+
+	if (first != 0x01 && second != 0x01)
+	{
+	    int w = 8 * (first + 31);
+	    int h = 0;
+
+	    switch (get_bits (second, 6, 7))
+	    {
+	    case 0x00: h = (w / 16) * 10; break;
+	    case 0x01: h = (w / 4) * 3; break;
+	    case 0x02: h = (w / 5) * 4; break;
+	    case 0x03: h = (w / 16) * 9; break;
+	    }
+
+	    info->standard[i].width = w;
+	    info->standard[i].height = h;
+	    info->standard[i].frequency = get_bits (second, 0, 5) + 60;
+	}
+    }
+    
+    return TRUE;
+}
+
+static void
+decode_lf_string (const uchar *s, int n_chars, char *result)
+{
+    int i;
+    for (i = 0; i < n_chars; ++i)
+    {
+	if (s[i] == 0x0a)
+	{
+	    *result++ = '\0';
+	    break;
+	}
+	else if (s[i] == 0x00)
+	{
+	    /* Convert embedded 0's to spaces */
+	    *result++ = ' ';
+	}
+	else
+	{
+	    *result++ = s[i];
+	}
+    }
+}
+
+static void
+decode_display_descriptor (const uchar *desc,
+			   MonitorInfo *info)
+{
+    switch (desc[0x03])
+    {
+    case 0xFC:
+	decode_lf_string (desc + 5, 13, info->dsc_product_name);
+	break;
+    case 0xFF:
+	decode_lf_string (desc + 5, 13, info->dsc_serial_number);
+	break;
+    case 0xFE:
+	decode_lf_string (desc + 5, 13, info->dsc_string);
+	break;
+    case 0xFD:
+	/* Range Limits */
+	break;
+    case 0xFB:
+	/* Color Point */
+	break;
+    case 0xFA:
+	/* Timing Identifications */
+	break;
+    case 0xF9:
+	/* Color Management */
+	break;
+    case 0xF8:
+	/* Timing Codes */
+	break;
+    case 0xF7:
+	/* Established Timings */
+	break;
+    case 0x10:
+	break;
+    }
+}
+
+static void
+decode_detailed_timing (const uchar *timing,
+			DetailedTiming *detailed)
+{
+    int bits;
+    StereoType stereo[] =
+    {
+	NO_STEREO, NO_STEREO, FIELD_RIGHT, FIELD_LEFT,
+	TWO_WAY_RIGHT_ON_EVEN, TWO_WAY_LEFT_ON_EVEN,
+	FOUR_WAY_INTERLEAVED, SIDE_BY_SIDE
+    };
+    
+    detailed->pixel_clock = (timing[0x00] | timing[0x01] << 8) * 10000;
+    detailed->h_addr = timing[0x02] | ((timing[0x04] & 0xf0) << 4);
+    detailed->h_blank = timing[0x03] | ((timing[0x04] & 0x0f) << 8);
+    detailed->v_addr = timing[0x05] | ((timing[0x07] & 0xf0) << 4);
+    detailed->v_blank = timing[0x06] | ((timing[0x07] & 0x0f) << 8);
+    detailed->h_front_porch = timing[0x08] | get_bits (timing[0x0b], 6, 7) << 8;
+    detailed->h_sync = timing[0x09] | get_bits (timing[0x0b], 4, 5) << 8;
+    detailed->v_front_porch =
+	get_bits (timing[0x0a], 4, 7) | get_bits (timing[0x0b], 2, 3) << 4;
+    detailed->v_sync =
+	get_bits (timing[0x0a], 0, 3) | get_bits (timing[0x0b], 0, 1) << 4;
+    detailed->width_mm =  timing[0x0c] | get_bits (timing[0x0e], 4, 7) << 8;
+    detailed->height_mm = timing[0x0d] | get_bits (timing[0x0e], 0, 3) << 8;
+    detailed->right_border = timing[0x0f];
+    detailed->top_border = timing[0x10];
+
+    detailed->interlaced = get_bit (timing[0x11], 7);
+
+    /* Stereo */
+    bits = get_bits (timing[0x11], 5, 6) << 1 | get_bit (timing[0x11], 0);
+    detailed->stereo = stereo[bits];
+
+    /* Sync */
+    bits = timing[0x11];
+
+    detailed->digital_sync = get_bit (bits, 4);
+    if (detailed->digital_sync)
+    {
+	detailed->ad.digital.composite = !get_bit (bits, 3);
+
+	if (detailed->ad.digital.composite)
+	{
+	    detailed->ad.digital.serrations = get_bit (bits, 2);
+	    detailed->ad.digital.negative_vsync = FALSE;
+	}
+	else
+	{
+	    detailed->ad.digital.serrations = FALSE;
+	    detailed->ad.digital.negative_vsync = !get_bit (bits, 2);
+	}
+
+	detailed->ad.digital.negative_hsync = !get_bit (bits, 0);
+    }
+    else
+    {
+	detailed->ad.analog.bipolar = get_bit (bits, 3);
+	detailed->ad.analog.serrations = get_bit (bits, 2);
+	detailed->ad.analog.sync_on_green = !get_bit (bits, 1);
+    }
+}
+
+static int
+decode_descriptors (const uchar *edid, MonitorInfo *info)
+{
+    int i;
+    int timing_idx;
+    
+    timing_idx = 0;
+    
+    for (i = 0; i < 4; ++i)
+    {
+	int index = 0x36 + i * 18;
+
+	if (edid[index + 0] == 0x00 && edid[index + 1] == 0x00)
+	{
+	    decode_display_descriptor (edid + index, info);
+	}
+	else
+	{
+	    decode_detailed_timing (
+		edid + index, &(info->detailed_timings[timing_idx++]));
+	}
+    }
+
+    info->n_detailed_timings = timing_idx;
+
+    return TRUE;
+}
+
+static void
+decode_check_sum (const uchar *edid,
+		  MonitorInfo *info)
+{
+    int i;
+    uchar check = 0;
+
+    for (i = 0; i < 128; ++i)
+	check += edid[i];
+
+    info->checksum = check;
+}
+
+MonitorInfo *
+decode_edid (const uchar *edid)
+{
+    MonitorInfo *info = SDL_calloc (1, sizeof (MonitorInfo));
+
+    decode_check_sum (edid, info);
+    
+    if (!decode_header (edid) ||
+        !decode_vendor_and_product_identification (edid, info) ||
+        !decode_edid_version (edid, info) ||
+        !decode_display_parameters (edid, info) ||
+        !decode_color_characteristics (edid, info) ||
+        !decode_established_timings (edid, info) ||
+        !decode_standard_timings (edid, info) ||
+        !decode_descriptors (edid, info)) {
+        SDL_free(info);
+        return NULL;
+    }
+    
+    return info;
+}
+
+static const char *
+yesno (int v)
+{
+    return v? "yes" : "no";
+}
+
+void
+dump_monitor_info (MonitorInfo *info)
+{
+    int i;
+    
+    printf ("Checksum: %d (%s)\n",
+	    info->checksum, info->checksum? "incorrect" : "correct");
+    printf ("Manufacturer Code: %s\n", info->manufacturer_code);
+    printf ("Product Code: 0x%x\n", info->product_code);
+    printf ("Serial Number: %u\n", info->serial_number);
+    
+    if (info->production_week != -1)
+	printf ("Production Week: %d\n", info->production_week);
+    else
+	printf ("Production Week: unspecified\n");
+    
+    if (info->production_year != -1)
+	printf ("Production Year: %d\n", info->production_year);
+    else
+	printf ("Production Year: unspecified\n");
+    
+    if (info->model_year != -1)
+	printf ("Model Year: %d\n", info->model_year);
+    else
+	printf ("Model Year: unspecified\n");
+    
+    printf ("EDID revision: %d.%d\n", info->major_version, info->minor_version);
+    
+    printf ("Display is %s\n", info->is_digital? "digital" : "analog");
+    if (info->is_digital)
+    {
+	const char *interface;
+	if (info->ad.digital.bits_per_primary != -1)
+	    printf ("Bits Per Primary: %d\n", info->ad.digital.bits_per_primary);
+	else
+	    printf ("Bits Per Primary: undefined\n");
+	
+	switch (info->ad.digital.interface)
+	{
+	case DVI: interface = "DVI"; break;
+	case HDMI_A: interface = "HDMI-a"; break;
+	case HDMI_B: interface = "HDMI-b"; break;
+	case MDDI: interface = "MDDI"; break;
+	case DISPLAY_PORT: interface = "DisplayPort"; break;
+	case UNDEFINED: interface = "undefined"; break;
+	default: interface = "unknown"; break;
+	}
+	printf ("Interface: %s\n", interface);
+	
+	printf ("RGB 4:4:4: %s\n", yesno (info->ad.digital.rgb444));
+	printf ("YCrCb 4:4:4: %s\n", yesno (info->ad.digital.ycrcb444));
+	printf ("YCrCb 4:2:2: %s\n", yesno (info->ad.digital.ycrcb422));
+    }
+    else
+    {
+       const char *s;
+	printf ("Video Signal Level: %f\n", info->ad.analog.video_signal_level);
+	printf ("Sync Signal Level: %f\n", info->ad.analog.sync_signal_level);
+	printf ("Total Signal Level: %f\n", info->ad.analog.total_signal_level);
+	
+	printf ("Blank to Black: %s\n",
+		yesno (info->ad.analog.blank_to_black));
+	printf ("Separate HV Sync: %s\n",
+		yesno (info->ad.analog.separate_hv_sync));
+	printf ("Composite Sync on H: %s\n",
+		yesno (info->ad.analog.composite_sync_on_h));
+	printf ("Serration on VSync: %s\n",
+		yesno (info->ad.analog.serration_on_vsync));
+	
+	switch (info->ad.analog.color_type)
+	{
+	case UNDEFINED_COLOR: s = "undefined"; break;
+	case MONOCHROME: s = "monochrome"; break;
+	case RGB: s = "rgb"; break;
+	case OTHER_COLOR: s = "other color"; break;
+	default: s = "unknown"; break;
+	}
+	
+	printf ("Color: %s\n", s);
+    }
+    
+    if (info->width_mm == -1)
+	printf ("Width: undefined\n");
+    else
+	printf ("Width: %d mm\n", info->width_mm);
+    
+    if (info->height_mm == -1)
+	printf ("Height: undefined\n");
+    else
+	printf ("Height: %d mm\n", info->height_mm);
+    
+    if (info->aspect_ratio > 0)
+	printf ("Aspect Ratio: %f\n", info->aspect_ratio);
+    else
+	printf ("Aspect Ratio: undefined\n");
+    
+    if (info->gamma >= 0)
+	printf ("Gamma: %f\n", info->gamma);
+    else
+	printf ("Gamma: undefined\n");
+    
+    printf ("Standby: %s\n", yesno (info->standby));
+    printf ("Suspend: %s\n", yesno (info->suspend));
+    printf ("Active Off: %s\n", yesno (info->active_off));
+    
+    printf ("SRGB is Standard: %s\n", yesno (info->srgb_is_standard));
+    printf ("Preferred Timing Includes Native: %s\n",
+	    yesno (info->preferred_timing_includes_native));
+    printf ("Continuous Frequency: %s\n", yesno (info->continuous_frequency));
+    
+    printf ("Red X: %f\n", info->red_x);
+    printf ("Red Y: %f\n", info->red_y);
+    printf ("Green X: %f\n", info->green_x);
+    printf ("Green Y: %f\n", info->green_y);
+    printf ("Blue X: %f\n", info->blue_x);
+    printf ("Blue Y: %f\n", info->blue_y);
+    printf ("White X: %f\n", info->white_x);
+    printf ("White Y: %f\n", info->white_y);
+    
+    printf ("Established Timings:\n");
+    
+    for (i = 0; i < 24; ++i)
+    {
+	Timing *timing = &(info->established[i]);
+	
+	if (timing->frequency == 0)
+	    break;
+	
+	printf ("  %d x %d @ %d Hz\n",
+		timing->width, timing->height, timing->frequency);
+	
+    }
+    
+    printf ("Standard Timings:\n");
+    for (i = 0; i < 8; ++i)
+    {
+	Timing *timing = &(info->standard[i]);
+	
+	if (timing->frequency == 0)
+	    break;
+	
+	printf ("  %d x %d @ %d Hz\n",
+		timing->width, timing->height, timing->frequency);
+    }
+    
+    for (i = 0; i < info->n_detailed_timings; ++i)
+    {
+	DetailedTiming *timing = &(info->detailed_timings[i]);
+	const char *s;
+	
+	printf ("Timing%s: \n",
+		(i == 0 && info->preferred_timing_includes_native)?
+		" (Preferred)" : "");
+	printf ("  Pixel Clock: %d\n", timing->pixel_clock);
+	printf ("  H Addressable: %d\n", timing->h_addr);
+	printf ("  H Blank: %d\n", timing->h_blank);
+	printf ("  H Front Porch: %d\n", timing->h_front_porch);
+	printf ("  H Sync: %d\n", timing->h_sync);
+	printf ("  V Addressable: %d\n", timing->v_addr);
+	printf ("  V Blank: %d\n", timing->v_blank);
+	printf ("  V Front Porch: %d\n", timing->v_front_porch);
+	printf ("  V Sync: %d\n", timing->v_sync);
+	printf ("  Width: %d mm\n", timing->width_mm);
+	printf ("  Height: %d mm\n", timing->height_mm);
+	printf ("  Right Border: %d\n", timing->right_border);
+	printf ("  Top Border: %d\n", timing->top_border);
+	switch (timing->stereo)
+	{
+	default:
+	case NO_STEREO:   s = "No Stereo"; break;
+	case FIELD_RIGHT: s = "Field Sequential, Right on Sync"; break;
+	case FIELD_LEFT:  s = "Field Sequential, Left on Sync"; break;
+	case TWO_WAY_RIGHT_ON_EVEN: s = "Two-way, Right on Even"; break;
+	case TWO_WAY_LEFT_ON_EVEN:  s = "Two-way, Left on Even"; break;
+	case FOUR_WAY_INTERLEAVED:  s = "Four-way Interleaved"; break;
+	case SIDE_BY_SIDE:          s = "Side-by-Side"; break;
+	}
+	printf ("  Stereo: %s\n", s);
+	
+	if (timing->digital_sync)
+	{
+	    printf ("  Digital Sync:\n");
+	    printf ("    composite: %s\n", yesno (timing->ad.digital.composite));
+	    printf ("    serrations: %s\n", yesno (timing->ad.digital.serrations));
+	    printf ("    negative vsync: %s\n",
+		    yesno (timing->ad.digital.negative_vsync));
+	    printf ("    negative hsync: %s\n",
+		    yesno (timing->ad.digital.negative_hsync));
+	}
+	else
+	{
+	    printf ("  Analog Sync:\n");
+	    printf ("    bipolar: %s\n", yesno (timing->ad.analog.bipolar));
+	    printf ("    serrations: %s\n", yesno (timing->ad.analog.serrations));
+	    printf ("    sync on green: %s\n", yesno (
+			timing->ad.analog.sync_on_green));
+	}
+    }
+    
+    printf ("Detailed Product information:\n");
+    printf ("  Product Name: %s\n", info->dsc_product_name);
+    printf ("  Serial Number: %s\n", info->dsc_serial_number);
+    printf ("  Unspecified String: %s\n", info->dsc_string);
+}
+

vendor/sdl-3.2.10/src/video/x11/edid.h

@@ -0,0 +1,191 @@
+/*
+ * Copyright 2007 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+/* Author: Soren Sandmann <sandmann@redhat.com> */
+
+typedef unsigned char uchar;
+typedef struct MonitorInfo MonitorInfo;
+typedef struct Timing Timing;
+typedef struct DetailedTiming DetailedTiming;
+
+typedef enum
+{
+    UNDEFINED,
+    DVI,
+    HDMI_A,
+    HDMI_B,
+    MDDI,
+    DISPLAY_PORT
+} Interface;
+
+typedef enum
+{
+    UNDEFINED_COLOR,
+    MONOCHROME,
+    RGB,
+    OTHER_COLOR
+} ColorType;
+
+typedef enum
+{
+    NO_STEREO,
+    FIELD_RIGHT,
+    FIELD_LEFT,
+    TWO_WAY_RIGHT_ON_EVEN,
+    TWO_WAY_LEFT_ON_EVEN,
+    FOUR_WAY_INTERLEAVED,
+    SIDE_BY_SIDE
+} StereoType;
+
+struct Timing
+{
+    int width;
+    int height;
+    int frequency;
+};
+
+struct DetailedTiming
+{
+    int pixel_clock;
+    int h_addr;
+    int h_blank;
+    int h_sync;
+    int h_front_porch;
+    int v_addr;
+    int v_blank;
+    int v_sync;
+    int v_front_porch;
+    int width_mm;
+    int height_mm;
+    int right_border;
+    int top_border;
+    int interlaced;
+    StereoType stereo;
+
+    int digital_sync;
+    union
+    {
+        struct
+        {
+            int bipolar;
+            int serrations;
+            int sync_on_green;
+        } analog;
+
+        struct
+        {
+            int composite;
+            int serrations;
+            int negative_vsync;
+            int negative_hsync;
+        } digital;
+    } ad;
+};
+
+struct MonitorInfo
+{
+    int checksum;
+    char manufacturer_code[4];
+    int product_code;
+    unsigned int serial_number;
+
+    int production_week; // -1 if not specified
+    int production_year; // -1 if not specified
+    int model_year;      // -1 if not specified
+
+    int major_version;
+    int minor_version;
+
+    int is_digital;
+
+    union
+    {
+        struct
+        {
+            int bits_per_primary;
+            Interface interface;
+            int rgb444;
+            int ycrcb444;
+            int ycrcb422;
+        } digital;
+
+        struct
+        {
+            double video_signal_level;
+            double sync_signal_level;
+            double total_signal_level;
+
+            int blank_to_black;
+
+            int separate_hv_sync;
+            int composite_sync_on_h;
+            int composite_sync_on_green;
+            int serration_on_vsync;
+            ColorType color_type;
+        } analog;
+    } ad;
+
+    int width_mm;        // -1 if not specified
+    int height_mm;       // -1 if not specified
+    double aspect_ratio; // -1.0 if not specififed
+
+    double gamma; // -1.0 if not specified
+
+    int standby;
+    int suspend;
+    int active_off;
+
+    int srgb_is_standard;
+    int preferred_timing_includes_native;
+    int continuous_frequency;
+
+    double red_x;
+    double red_y;
+    double green_x;
+    double green_y;
+    double blue_x;
+    double blue_y;
+    double white_x;
+    double white_y;
+
+    Timing established[24]; // Terminated by 0x0x0
+    Timing standard[8];
+
+    int n_detailed_timings;
+    DetailedTiming detailed_timings[4]; /* If monitor has a preferred
+                                         * mode, it is the first one
+                                         * (whether it has, is
+                                         * determined by the
+                                         * preferred_timing_includes
+                                         * bit.
+                                         */
+
+    // Optional product description
+    char dsc_serial_number[14];
+    char dsc_product_name[14];
+    char dsc_string[14]; // Unspecified ASCII data
+};
+
+MonitorInfo *decode_edid(const uchar *data);
+void dump_monitor_info(MonitorInfo *info);
+char *make_display_name(const char *output_name,
+                        const MonitorInfo *info);

vendor/sdl-3.2.10/src/video/x11/xsettings-client.c

@@ -0,0 +1,859 @@
+/*
+ * Copyright © 2001, 2007 Red Hat, Inc.
+ * Copyright 2024 Igalia S.L.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Red Hat not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  Red Hat makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author:  Owen Taylor, Red Hat, Inc.
+ */
+
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_X11
+
+#include "SDL_x11video.h"
+
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "xsettings-client.h"
+
+struct _XSettingsClient
+{
+  Display *display;
+  int screen;
+  XSettingsNotifyFunc notify;
+  XSettingsWatchFunc watch;
+  void *cb_data;
+
+  XSettingsGrabFunc grab;
+  XSettingsGrabFunc ungrab;
+
+  Window manager_window;
+  Atom manager_atom;
+  Atom selection_atom;
+  Atom xsettings_atom;
+
+  XSettingsList *settings;
+};
+
+static void
+notify_changes (XSettingsClient *client,
+                XSettingsList   *old_list)
+{
+  XSettingsList *old_iter = old_list;
+  XSettingsList *new_iter = client->settings;
+
+  if (!client->notify)
+    return;
+
+  while (old_iter || new_iter)
+    {
+      int cmp;
+
+      if (old_iter && new_iter)
+        cmp = strcmp (old_iter->setting->name, new_iter->setting->name);
+      else if (old_iter)
+        cmp = -1;
+      else
+        cmp = 1;
+
+      if (cmp < 0)
+        {
+          client->notify (old_iter->setting->name,
+                          XSETTINGS_ACTION_DELETED,
+                          NULL,
+                          client->cb_data);
+        }
+      else if (cmp == 0)
+        {
+          if (!xsettings_setting_equal (old_iter->setting,
+                                        new_iter->setting))
+            client->notify (old_iter->setting->name,
+                            XSETTINGS_ACTION_CHANGED,
+                            new_iter->setting,
+                            client->cb_data);
+        }
+      else
+        {
+          client->notify (new_iter->setting->name,
+                          XSETTINGS_ACTION_NEW,
+                          new_iter->setting,
+                          client->cb_data);
+        }
+
+      if (old_iter)
+        old_iter = old_iter->next;
+      if (new_iter)
+        new_iter = new_iter->next;
+    }
+}
+
+static int
+ignore_errors (Display *display, XErrorEvent *event)
+{
+  return True;
+}
+
+static char local_byte_order = '\0';
+
+#define BYTES_LEFT(buffer) ((buffer)->data + (buffer)->len - (buffer)->pos)
+
+static XSettingsResult
+fetch_card16 (XSettingsBuffer *buffer,
+              CARD16          *result)
+{
+  CARD16 x;
+
+  if (BYTES_LEFT (buffer) < 2)
+    return XSETTINGS_ACCESS;
+
+  x = *(CARD16 *)buffer->pos;
+  buffer->pos += 2;
+
+  if (buffer->byte_order == local_byte_order)
+    *result = x;
+  else
+    *result = (x << 8) | (x >> 8);
+
+  return XSETTINGS_SUCCESS;
+}
+
+static XSettingsResult
+fetch_ushort (XSettingsBuffer *buffer,
+              unsigned short  *result)
+{
+  CARD16 x;
+  XSettingsResult r;
+
+  r = fetch_card16 (buffer, &x);
+  if (r == XSETTINGS_SUCCESS)
+    *result = x;
+
+  return r;
+}
+
+static XSettingsResult
+fetch_card32 (XSettingsBuffer *buffer,
+              CARD32          *result)
+{
+  CARD32 x;
+
+  if (BYTES_LEFT (buffer) < 4)
+    return XSETTINGS_ACCESS;
+
+  x = *(CARD32 *)buffer->pos;
+  buffer->pos += 4;
+
+  if (buffer->byte_order == local_byte_order)
+    *result = x;
+  else
+    *result = (x << 24) | ((x & 0xff00) << 8) | ((x & 0xff0000) >> 8) | (x >> 24);
+
+  return XSETTINGS_SUCCESS;
+}
+
+static XSettingsResult
+fetch_card8 (XSettingsBuffer *buffer,
+             CARD8           *result)
+{
+  if (BYTES_LEFT (buffer) < 1)
+    return XSETTINGS_ACCESS;
+
+  *result = *(CARD8 *)buffer->pos;
+  buffer->pos += 1;
+
+  return XSETTINGS_SUCCESS;
+}
+
+#define XSETTINGS_PAD(n,m) ((n + m - 1) & (~(m-1)))
+
+static XSettingsList *
+parse_settings (unsigned char *data,
+                size_t         len)
+{
+  XSettingsBuffer buffer;
+  XSettingsResult result = XSETTINGS_SUCCESS;
+  XSettingsList *settings = NULL;
+  CARD32 serial;
+  CARD32 n_entries;
+  CARD32 i;
+  XSettingsSetting *setting = NULL;
+  char buffer_byte_order = '\0';
+
+  local_byte_order = xsettings_byte_order ();
+
+  buffer.pos = buffer.data = data;
+  buffer.len = len;
+  buffer.byte_order = '\0';
+
+  result = fetch_card8 (&buffer, (unsigned char *) &buffer_byte_order);
+  if (buffer_byte_order != MSBFirst &&
+      buffer_byte_order != LSBFirst)
+    {
+      fprintf (stderr, "Invalid byte order in XSETTINGS property\n");
+      result = XSETTINGS_FAILED;
+      goto out;
+    }
+
+  buffer.byte_order = buffer_byte_order;
+  buffer.pos += 3;
+
+  result = fetch_card32 (&buffer, &serial);
+  if (result != XSETTINGS_SUCCESS)
+    goto out;
+
+  result = fetch_card32 (&buffer, &n_entries);
+  if (result != XSETTINGS_SUCCESS)
+    goto out;
+
+  for (i = 0; i < n_entries; i++)
+    {
+      CARD8 type;
+      CARD16 name_len;
+      CARD32 v_int;
+      size_t pad_len;
+
+      result = fetch_card8 (&buffer, &type);
+      if (result != XSETTINGS_SUCCESS)
+        goto out;
+
+      buffer.pos += 1;
+
+      result = fetch_card16 (&buffer, &name_len);
+      if (result != XSETTINGS_SUCCESS)
+        goto out;
+
+      pad_len = XSETTINGS_PAD(name_len, 4);
+      if (BYTES_LEFT (&buffer) < pad_len)
+        {
+          result = XSETTINGS_ACCESS;
+          goto out;
+        }
+
+      setting = malloc (sizeof *setting);
+      if (!setting)
+        {
+          result = XSETTINGS_NO_MEM;
+          goto out;
+        }
+      setting->type = XSETTINGS_TYPE_INT; /* No allocated memory */
+
+      setting->name = malloc (name_len + 1);
+      if (!setting->name)
+        {
+          result = XSETTINGS_NO_MEM;
+          goto out;
+        }
+
+      memcpy (setting->name, buffer.pos, name_len);
+      setting->name[name_len] = '\0';
+      buffer.pos += pad_len;
+
+      result = fetch_card32 (&buffer, &v_int);
+      if (result != XSETTINGS_SUCCESS)
+        goto out;
+      setting->last_change_serial = v_int;
+
+      switch (type)
+        {
+        case XSETTINGS_TYPE_INT:
+          result = fetch_card32 (&buffer, &v_int);
+          if (result != XSETTINGS_SUCCESS)
+            goto out;
+
+          setting->data.v_int = (INT32)v_int;
+          break;
+        case XSETTINGS_TYPE_STRING:
+          result = fetch_card32 (&buffer, &v_int);
+          if (result != XSETTINGS_SUCCESS)
+            goto out;
+
+          pad_len = XSETTINGS_PAD (v_int, 4);
+          if (v_int + 1 == 0 || /* Guard against wrap-around */
+              BYTES_LEFT (&buffer) < pad_len)
+            {
+              result = XSETTINGS_ACCESS;
+              goto out;
+            }
+
+          setting->data.v_string = malloc (v_int + 1);
+          if (!setting->data.v_string)
+            {
+              result = XSETTINGS_NO_MEM;
+              goto out;
+            }
+
+          memcpy (setting->data.v_string, buffer.pos, v_int);
+          setting->data.v_string[v_int] = '\0';
+          buffer.pos += pad_len;
+
+          break;
+        case XSETTINGS_TYPE_COLOR:
+          result = fetch_ushort (&buffer, &setting->data.v_color.red);
+          if (result != XSETTINGS_SUCCESS)
+            goto out;
+          result = fetch_ushort (&buffer, &setting->data.v_color.green);
+          if (result != XSETTINGS_SUCCESS)
+            goto out;
+          result = fetch_ushort (&buffer, &setting->data.v_color.blue);
+          if (result != XSETTINGS_SUCCESS)
+            goto out;
+          result = fetch_ushort (&buffer, &setting->data.v_color.alpha);
+          if (result != XSETTINGS_SUCCESS)
+            goto out;
+
+          break;
+        default:
+          /* Quietly ignore unknown types */
+          break;
+        }
+
+      setting->type = type;
+
+      result = xsettings_list_insert (&settings, setting);
+      if (result != XSETTINGS_SUCCESS)
+        goto out;
+
+      setting = NULL;
+    }
+
+ out:
+
+  if (result != XSETTINGS_SUCCESS)
+    {
+      switch (result)
+        {
+        case XSETTINGS_NO_MEM:
+          fprintf(stderr, "Out of memory reading XSETTINGS property\n");
+          break;
+        case XSETTINGS_ACCESS:
+          fprintf(stderr, "Invalid XSETTINGS property (read off end)\n");
+          break;
+        case XSETTINGS_DUPLICATE_ENTRY:
+          fprintf (stderr, "Duplicate XSETTINGS entry for '%s'\n", setting->name);
+          SDL_FALLTHROUGH;
+        case XSETTINGS_FAILED:
+          SDL_FALLTHROUGH;
+        case XSETTINGS_SUCCESS:
+          SDL_FALLTHROUGH;
+        case XSETTINGS_NO_ENTRY:
+          break;
+        }
+
+      if (setting)
+        xsettings_setting_free (setting);
+
+      xsettings_list_free (settings);
+      settings = NULL;
+
+    }
+
+  return settings;
+}
+
+static void
+read_settings (XSettingsClient *client)
+{
+  Atom type;
+  int format;
+  unsigned long n_items;
+  unsigned long bytes_after;
+  unsigned char *data;
+  int result;
+
+  int (*old_handler) (Display *, XErrorEvent *);
+
+  XSettingsList *old_list = client->settings;
+
+  client->settings = NULL;
+
+  if (client->manager_window)
+    {
+      old_handler = X11_XSetErrorHandler (ignore_errors);
+      result = X11_XGetWindowProperty (client->display, client->manager_window,
+                                       client->xsettings_atom, 0, LONG_MAX,
+                                       False, client->xsettings_atom,
+                                       &type, &format, &n_items, &bytes_after, &data);
+      X11_XSetErrorHandler (old_handler);
+
+      if (result == Success && type != None)
+        {
+          if (type != client->xsettings_atom)
+            {
+              fprintf (stderr, "Invalid type for XSETTINGS property");
+            }
+          else if (format != 8)
+            {
+              fprintf (stderr, "Invalid format for XSETTINGS property %d", format);
+            }
+          else
+            client->settings = parse_settings (data, n_items);
+
+          X11_XFree (data);
+        }
+    }
+
+  notify_changes (client, old_list);
+  xsettings_list_free (old_list);
+}
+
+static void
+add_events (Display *display,
+            Window   window,
+            long     mask)
+{
+  XWindowAttributes attr;
+
+  X11_XGetWindowAttributes (display, window, &attr);
+  X11_XSelectInput (display, window, attr.your_event_mask | mask);
+}
+
+static void
+check_manager_window (XSettingsClient *client)
+{
+  if (client->manager_window && client->watch)
+    client->watch (client->manager_window, False, 0, client->cb_data);
+
+  if (client->grab)
+    client->grab (client->display);
+  else
+    X11_XGrabServer (client->display);
+
+  client->manager_window = X11_XGetSelectionOwner (client->display,
+                                                   client->selection_atom);
+  if (client->manager_window)
+    X11_XSelectInput (client->display, client->manager_window,
+                      PropertyChangeMask | StructureNotifyMask);
+
+  if (client->ungrab)
+    client->ungrab (client->display);
+  else
+    X11_XUngrabServer (client->display);
+
+  X11_XFlush (client->display);
+
+  if (client->manager_window && client->watch)
+    {
+      if (!client->watch (client->manager_window, True,
+                          PropertyChangeMask | StructureNotifyMask,
+                          client->cb_data))
+        {
+          /* Inability to watch the window probably means that it was destroyed
+           * after we ungrabbed
+           */
+          client->manager_window = None;
+          return;
+        }
+    }
+
+
+  read_settings (client);
+}
+
+XSettingsClient *
+xsettings_client_new (Display             *display,
+                      int                  screen,
+                      XSettingsNotifyFunc  notify,
+                      XSettingsWatchFunc   watch,
+                      void                *cb_data)
+{
+  return xsettings_client_new_with_grab_funcs (display, screen, notify, watch, cb_data,
+                                               NULL, NULL);
+}
+
+XSettingsClient *
+xsettings_client_new_with_grab_funcs (Display             *display,
+                                      int                  screen,
+                                      XSettingsNotifyFunc  notify,
+                                      XSettingsWatchFunc   watch,
+                                      void                *cb_data,
+                                      XSettingsGrabFunc    grab,
+                                      XSettingsGrabFunc    ungrab)
+{
+  XSettingsClient *client;
+  char buffer[256];
+  char *atom_names[3];
+  Atom atoms[3];
+
+  client = malloc (sizeof *client);
+  if (!client)
+    return NULL;
+
+  client->display = display;
+  client->screen = screen;
+  client->notify = notify;
+  client->watch = watch;
+  client->cb_data = cb_data;
+  client->grab = grab;
+  client->ungrab = ungrab;
+
+  client->manager_window = None;
+  client->settings = NULL;
+
+  sprintf(buffer, "_XSETTINGS_S%d", screen);
+  atom_names[0] = buffer;
+  atom_names[1] = "_XSETTINGS_SETTINGS";
+  atom_names[2] = "MANAGER";
+
+#ifdef HAVE_XINTERNATOMS
+  XInternAtoms (display, atom_names, 3, False, atoms);
+#else
+  atoms[0] = X11_XInternAtom (display, atom_names[0], False);
+  atoms[1] = X11_XInternAtom (display, atom_names[1], False);
+  atoms[2] = X11_XInternAtom (display, atom_names[2], False);
+#endif
+
+  client->selection_atom = atoms[0];
+  client->xsettings_atom = atoms[1];
+  client->manager_atom = atoms[2];
+
+  /* Select on StructureNotify so we get MANAGER events
+   */
+  add_events (display, RootWindow (display, screen), StructureNotifyMask);
+
+  if (client->watch)
+    client->watch (RootWindow (display, screen), True, StructureNotifyMask,
+                   client->cb_data);
+
+  check_manager_window (client);
+
+  return client;
+}
+
+
+void
+xsettings_client_set_grab_func   (XSettingsClient      *client,
+                                  XSettingsGrabFunc     grab)
+{
+  client->grab = grab;
+}
+
+void
+xsettings_client_set_ungrab_func (XSettingsClient      *client,
+                                  XSettingsGrabFunc     ungrab)
+{
+  client->ungrab = ungrab;
+}
+
+void
+xsettings_client_destroy (XSettingsClient *client)
+{
+  if (client->watch)
+    client->watch (RootWindow (client->display, client->screen),
+                   False, 0, client->cb_data);
+  if (client->manager_window && client->watch)
+    client->watch (client->manager_window, False, 0, client->cb_data);
+
+  xsettings_list_free (client->settings);
+  free (client);
+}
+
+XSettingsResult
+xsettings_client_get_setting (XSettingsClient   *client,
+                              const char        *name,
+                              XSettingsSetting **setting)
+{
+  XSettingsSetting *search = xsettings_list_lookup (client->settings, name);
+  if (search)
+    {
+      *setting = xsettings_setting_copy (search);
+      return *setting ? XSETTINGS_SUCCESS : XSETTINGS_NO_MEM;
+    }
+  else
+    return XSETTINGS_NO_ENTRY;
+}
+
+Bool
+xsettings_client_process_event (XSettingsClient *client,
+                                const XEvent    *xev)
+{
+  /* The checks here will not unlikely cause us to reread
+   * the properties from the manager window a number of
+   * times when the manager changes from A->B. But manager changes
+   * are going to be pretty rare.
+   */
+  if (xev->xany.window == RootWindow (client->display, client->screen))
+    {
+      if (xev->xany.type == ClientMessage &&
+          xev->xclient.message_type == client->manager_atom &&
+          xev->xclient.data.l[1] == client->selection_atom)
+        {
+          check_manager_window (client);
+          return True;
+        }
+    }
+  else if (xev->xany.window == client->manager_window)
+    {
+      if (xev->xany.type == DestroyNotify)
+        {
+          check_manager_window (client);
+          return False;
+        }
+      else if (xev->xany.type == PropertyNotify)
+        {
+          read_settings (client);
+          return True;
+        }
+    }
+
+  return False;
+}
+
+XSettingsSetting *
+xsettings_setting_copy (XSettingsSetting *setting)
+{
+  XSettingsSetting *result;
+  size_t str_len;
+
+  result = malloc (sizeof *result);
+  if (!result)
+    return NULL;
+
+  str_len = strlen (setting->name);
+  result->name = malloc (str_len + 1);
+  if (!result->name)
+    goto err;
+
+  memcpy (result->name, setting->name, str_len + 1);
+
+  result->type = setting->type;
+
+  switch (setting->type)
+    {
+    case XSETTINGS_TYPE_INT:
+      result->data.v_int = setting->data.v_int;
+      break;
+    case XSETTINGS_TYPE_COLOR:
+      result->data.v_color = setting->data.v_color;
+      break;
+    case XSETTINGS_TYPE_STRING:
+      str_len = strlen (setting->data.v_string);
+      result->data.v_string = malloc (str_len + 1);
+      if (!result->data.v_string)
+        goto err;
+
+      memcpy (result->data.v_string, setting->data.v_string, str_len + 1);
+      break;
+    }
+
+  result->last_change_serial = setting->last_change_serial;
+
+  return result;
+
+ err:
+  if (result->name)
+    free (result->name);
+  free (result);
+
+  return NULL;
+}
+
+XSettingsList *
+xsettings_list_copy (XSettingsList *list)
+{
+  XSettingsList *new = NULL;
+  XSettingsList *old_iter = list;
+  XSettingsList *new_iter = NULL;
+
+  while (old_iter)
+    {
+      XSettingsList *new_node;
+
+      new_node = malloc (sizeof *new_node);
+      if (!new_node)
+        goto error;
+
+      new_node->setting = xsettings_setting_copy (old_iter->setting);
+      if (!new_node->setting)
+        {
+          free (new_node);
+          goto error;
+        }
+
+      if (new_iter)
+        new_iter->next = new_node;
+      else
+        {
+          new = new_node;
+          new->next = NULL;
+        }
+
+
+      new_iter = new_node;
+
+      old_iter = old_iter->next;
+    }
+
+  return new;
+
+ error:
+  xsettings_list_free (new);
+  return NULL;
+}
+
+int
+xsettings_setting_equal (XSettingsSetting *setting_a,
+                         XSettingsSetting *setting_b)
+{
+  if (setting_a->type != setting_b->type)
+    return 0;
+
+  if (strcmp (setting_a->name, setting_b->name) != 0)
+    return 0;
+
+  switch (setting_a->type)
+    {
+    case XSETTINGS_TYPE_INT:
+      return setting_a->data.v_int == setting_b->data.v_int;
+    case XSETTINGS_TYPE_COLOR:
+      return (setting_a->data.v_color.red == setting_b->data.v_color.red &&
+              setting_a->data.v_color.green == setting_b->data.v_color.green &&
+              setting_a->data.v_color.blue == setting_b->data.v_color.blue &&
+              setting_a->data.v_color.alpha == setting_b->data.v_color.alpha);
+    case XSETTINGS_TYPE_STRING:
+      return strcmp (setting_a->data.v_string, setting_b->data.v_string) == 0;
+    }
+
+  return 0;
+}
+
+void
+xsettings_setting_free (XSettingsSetting *setting)
+{
+  if (setting->type == XSETTINGS_TYPE_STRING)
+    free (setting->data.v_string);
+
+  if (setting->name)
+    free (setting->name);
+
+  free (setting);
+}
+
+void
+xsettings_list_free (XSettingsList *list)
+{
+  while (list)
+    {
+      XSettingsList *next = list->next;
+
+      xsettings_setting_free (list->setting);
+      free (list);
+
+      list = next;
+    }
+}
+
+XSettingsResult
+xsettings_list_insert (XSettingsList    **list,
+                       XSettingsSetting  *setting)
+{
+  XSettingsList *node;
+  XSettingsList *iter;
+  XSettingsList *last = NULL;
+
+  node = malloc (sizeof *node);
+  if (!node)
+    return XSETTINGS_NO_MEM;
+  node->setting = setting;
+
+  iter = *list;
+  while (iter)
+    {
+      int cmp = strcmp (setting->name, iter->setting->name);
+
+      if (cmp < 0)
+        break;
+      else if (cmp == 0)
+        {
+          free (node);
+          return XSETTINGS_DUPLICATE_ENTRY;
+        }
+
+      last = iter;
+      iter = iter->next;
+    }
+
+  if (last)
+    last->next = node;
+  else
+    *list = node;
+
+  node->next = iter;
+
+  return XSETTINGS_SUCCESS;
+}
+
+XSettingsResult
+xsettings_list_delete (XSettingsList **list,
+                       const char     *name)
+{
+  XSettingsList *iter;
+  XSettingsList *last = NULL;
+
+  iter = *list;
+  while (iter)
+    {
+      if (strcmp (name, iter->setting->name) == 0)
+        {
+          if (last)
+            last->next = iter->next;
+          else
+            *list = iter->next;
+
+          xsettings_setting_free (iter->setting);
+          free (iter);
+
+          return XSETTINGS_SUCCESS;
+        }
+
+      last = iter;
+      iter = iter->next;
+    }
+
+  return XSETTINGS_FAILED;
+}
+
+XSettingsSetting *
+xsettings_list_lookup (XSettingsList *list,
+                       const char    *name)
+{
+  XSettingsList *iter;
+
+  iter = list;
+  while (iter)
+    {
+      if (strcmp (name, iter->setting->name) == 0)
+        return iter->setting;
+
+      iter = iter->next;
+    }
+
+  return NULL;
+}
+
+char
+xsettings_byte_order (void)
+{
+  CARD32 myint = 0x01020304;
+  return (*(char *)&myint == 1) ? MSBFirst : LSBFirst;
+}
+
+#endif /* SDL_VIDEO_DRIVER_X11 */

vendor/sdl-3.2.10/src/video/x11/xsettings-client.h

@@ -0,0 +1,153 @@
+/*
+ * Copyright © 2001, 2007 Red Hat, Inc.
+ * Copyright 2024 Igalia S.L.
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of Red Hat not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission.  Red Hat makes no representations about the
+ * suitability of this software for any purpose.  It is provided "as is"
+ * without express or implied warranty.
+ *
+ * RED HAT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL RED HAT
+ * BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
+ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ *
+ * Author:  Owen Taylor, Red Hat, Inc.
+ */
+#ifndef XSETTINGS_CLIENT_H
+#define XSETTINGS_CLIENT_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+typedef struct _XSettingsBuffer  XSettingsBuffer;
+typedef struct _XSettingsColor   XSettingsColor;
+typedef struct _XSettingsList    XSettingsList;
+typedef struct _XSettingsSetting XSettingsSetting;
+
+/* Types of settings possible. Enum values correspond to
+ * protocol values.
+ */
+typedef enum
+{
+  XSETTINGS_TYPE_INT     = 0,
+  XSETTINGS_TYPE_STRING  = 1,
+  XSETTINGS_TYPE_COLOR   = 2
+} XSettingsType;
+
+typedef enum
+{
+  XSETTINGS_SUCCESS,
+  XSETTINGS_NO_MEM,
+  XSETTINGS_ACCESS,
+  XSETTINGS_FAILED,
+  XSETTINGS_NO_ENTRY,
+  XSETTINGS_DUPLICATE_ENTRY
+} XSettingsResult;
+
+struct _XSettingsBuffer
+{
+  char byte_order;
+  size_t len;
+  unsigned char *data;
+  unsigned char *pos;
+};
+
+struct _XSettingsColor
+{
+  unsigned short red, green, blue, alpha;
+};
+
+struct _XSettingsList
+{
+  XSettingsSetting *setting;
+  XSettingsList *next;
+};
+
+struct _XSettingsSetting
+{
+  char *name;
+  XSettingsType type;
+
+  union {
+    int v_int;
+    char *v_string;
+    XSettingsColor v_color;
+  } data;
+
+  unsigned long last_change_serial;
+};
+
+XSettingsSetting *xsettings_setting_copy  (XSettingsSetting *setting);
+void              xsettings_setting_free  (XSettingsSetting *setting);
+int               xsettings_setting_equal (XSettingsSetting *setting_a,
+                                           XSettingsSetting *setting_b);
+
+void              xsettings_list_free   (XSettingsList     *list);
+XSettingsList    *xsettings_list_copy   (XSettingsList     *list);
+XSettingsResult   xsettings_list_insert (XSettingsList    **list,
+                                         XSettingsSetting  *setting);
+XSettingsSetting *xsettings_list_lookup (XSettingsList     *list,
+                                         const char        *name);
+XSettingsResult   xsettings_list_delete (XSettingsList    **list,
+                                         const char        *name);
+
+char xsettings_byte_order (void);
+
+#define XSETTINGS_PAD(n,m) ((n + m - 1) & (~(m-1)))
+
+typedef struct _XSettingsClient XSettingsClient;
+
+typedef enum
+{
+  XSETTINGS_ACTION_NEW,
+  XSETTINGS_ACTION_CHANGED,
+  XSETTINGS_ACTION_DELETED
+} XSettingsAction;
+
+typedef void (*XSettingsNotifyFunc) (const char       *name,
+                                     XSettingsAction   action,
+                                     XSettingsSetting *setting,
+                                     void             *cb_data);
+typedef Bool (*XSettingsWatchFunc)  (Window            window,
+                                     Bool              is_start,
+                                     long              mask,
+                                     void             *cb_data);
+typedef void (*XSettingsGrabFunc)   (Display          *display);
+
+XSettingsClient *xsettings_client_new             (Display             *display,
+                                                   int                  screen,
+                                                   XSettingsNotifyFunc  notify,
+                                                   XSettingsWatchFunc   watch,
+                                                   void                *cb_data);
+XSettingsClient *xsettings_client_new_with_grab_funcs (Display             *display,
+                                                       int                  screen,
+                                                       XSettingsNotifyFunc  notify,
+                                                       XSettingsWatchFunc   watch,
+                                                       void                *cb_data,
+                                                       XSettingsGrabFunc    grab,
+                                                       XSettingsGrabFunc    ungrab);
+void             xsettings_client_set_grab_func   (XSettingsClient     *client,
+                                                   XSettingsGrabFunc    grab);
+void             xsettings_client_set_ungrab_func (XSettingsClient     *client,
+                                                   XSettingsGrabFunc    ungrab);
+void             xsettings_client_destroy         (XSettingsClient     *client);
+Bool             xsettings_client_process_event   (XSettingsClient     *client,
+                                                   const XEvent        *xev);
+XSettingsResult  xsettings_client_get_setting     (XSettingsClient     *client,
+                                                   const char          *name,
+                                                   XSettingsSetting   **setting);
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* XSETTINGS_CLIENT_H */