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Add chat input history navigation with Up/Down arrows

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Up arrow in the chat input field recalls previously sent messages.
Down arrow moves forward through history; going past the end clears input.
History stores up to 50 unique entries and resets position after each send.
This commit is contained in:
Kelsi 2026-03-11 23:06:24 -07:00
parent e002266607
commit 682cb8d44b
2 changed files with 55 additions and 2 deletions
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4
include/ui/game_screen.hpp
View file

@ -50,6 +50,10 @@ private:
int lastChatType = 0; // Track chat type changes
bool chatInputMoveCursorToEnd = false;
// Chat sent-message history (Up/Down arrow recall)
std::vector<std::string> chatSentHistory_;
int chatHistoryIdx_ = -1; // -1 = not browsing history
// Chat tabs
int activeChatTab_ = 0;
struct ChatTab {

53
src/ui/game_screen.cpp
View file

@ -1541,17 +1541,50 @@ void GameScreen::renderChatWindow(game::GameHandler& gameHandler) {
auto inputCallback = [](ImGuiInputTextCallbackData* data) -> int {
auto* self = static_cast<GameScreen*>(data->UserData);
if (self && self->chatInputMoveCursorToEnd) {
if (!self) return 0;
// Cursor-to-end after channel switch
if (self->chatInputMoveCursorToEnd) {
int len = static_cast<int>(std::strlen(data->Buf));
data->CursorPos = len;
data->SelectionStart = len;
data->SelectionEnd = len;
self->chatInputMoveCursorToEnd = false;
}
// Up/Down arrow: cycle through sent message history
if (data->EventFlag == ImGuiInputTextFlags_CallbackHistory) {
const int histSize = static_cast<int>(self->chatSentHistory_.size());
if (histSize == 0) return 0;
if (data->EventKey == ImGuiKey_UpArrow) {
// Go back in history
if (self->chatHistoryIdx_ == -1)
self->chatHistoryIdx_ = histSize - 1;
else if (self->chatHistoryIdx_ > 0)
--self->chatHistoryIdx_;
} else if (data->EventKey == ImGuiKey_DownArrow) {
if (self->chatHistoryIdx_ == -1) return 0;
++self->chatHistoryIdx_;
if (self->chatHistoryIdx_ >= histSize) {
self->chatHistoryIdx_ = -1;
data->DeleteChars(0, data->BufTextLen);
return 0;
}
}
if (self->chatHistoryIdx_ >= 0 && self->chatHistoryIdx_ < histSize) {
const std::string& entry = self->chatSentHistory_[self->chatHistoryIdx_];
data->DeleteChars(0, data->BufTextLen);
data->InsertChars(0, entry.c_str());
}
}
return 0;
};
ImGuiInputTextFlags inputFlags = ImGuiInputTextFlags_EnterReturnsTrue | ImGuiInputTextFlags_CallbackAlways;
ImGuiInputTextFlags inputFlags = ImGuiInputTextFlags_EnterReturnsTrue |
ImGuiInputTextFlags_CallbackAlways |
ImGuiInputTextFlags_CallbackHistory;
if (ImGui::InputText("##ChatInput", chatInputBuffer, sizeof(chatInputBuffer), inputFlags, inputCallback, this)) {
sendChatMessage(gameHandler);
// Close chat input on send so movement keys work immediately.
@ -2786,6 +2819,22 @@ void GameScreen::renderFocusFrame(game::GameHandler& gameHandler) {
void GameScreen::sendChatMessage(game::GameHandler& gameHandler) {
if (strlen(chatInputBuffer) > 0) {
std::string input(chatInputBuffer);
// Save to sent-message history (skip pure whitespace, cap at 50 entries)
{
bool allSpace = true;
for (char c : input) { if (!std::isspace(static_cast<unsigned char>(c))) { allSpace = false; break; } }
if (!allSpace) {
// Remove duplicate of last entry if identical
if (chatSentHistory_.empty() || chatSentHistory_.back() != input) {
chatSentHistory_.push_back(input);
if (chatSentHistory_.size() > 50)
chatSentHistory_.erase(chatSentHistory_.begin());
}
}
}
chatHistoryIdx_ = -1; // reset browsing position after send
game::ChatType type = game::ChatType::SAY;
std::string message = input;
std::string target;