161 lines
4.2 KiB
C++
161 lines
4.2 KiB
C++
// StateTreeCtrl.cpp : implementation file
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//
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// This file is a part of the XTREME TOOLKIT PRO MFC class library.
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// (c)1998-2008 Codejock Software, All Rights Reserved.
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//
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// THIS SOURCE FILE IS THE PROPERTY OF CODEJOCK SOFTWARE AND IS NOT TO BE
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// RE-DISTRIBUTED BY ANY MEANS WHATSOEVER WITHOUT THE EXPRESSED WRITTEN
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// CONSENT OF CODEJOCK SOFTWARE.
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//
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// THIS SOURCE CODE CAN ONLY BE USED UNDER THE TERMS AND CONDITIONS OUTLINED
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// IN THE XTREME TOOLKIT PRO LICENSE AGREEMENT. CODEJOCK SOFTWARE GRANTS TO
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// YOU (ONE SOFTWARE DEVELOPER) THE LIMITED RIGHT TO USE THIS SOFTWARE ON A
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// SINGLE COMPUTER.
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//
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// CONTACT INFORMATION:
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// support@codejock.com
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// http://www.codejock.com
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//
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/////////////////////////////////////////////////////////////////////////////
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#include "stdafx.h"
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#include "treectrl.h"
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#include "SelectTreeCtrl.h"
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#include "StateTreeCtrl.h"
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#ifdef _DEBUG
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#define new DEBUG_NEW
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#undef THIS_FILE
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static char THIS_FILE[] = __FILE__;
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#endif
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/////////////////////////////////////////////////////////////////////////////
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// CStateTreeCtrl
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CStateTreeCtrl::CStateTreeCtrl()
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{
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m_hCursor = theApp.LoadCursor(IDC_CHECK);
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m_hCursorNone = theApp.LoadCursor(IDC_CHECK_NONE);
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}
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CStateTreeCtrl::~CStateTreeCtrl()
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{
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if (m_hCursor != NULL) {
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::DestroyCursor(m_hCursor);
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}
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if (m_hCursorNone != NULL) {
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::DestroyCursor(m_hCursorNone);
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}
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}
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BEGIN_MESSAGE_MAP(CStateTreeCtrl, CSelectTreeCtrl)
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//{{AFX_MSG_MAP(CStateTreeCtrl)
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ON_WM_SETCURSOR()
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ON_WM_LBUTTONDOWN()
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ON_WM_KEYDOWN()
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//}}AFX_MSG_MAP
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END_MESSAGE_MAP()
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/////////////////////////////////////////////////////////////////////////////
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// CStateTreeCtrl message handlers
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void CStateTreeCtrl::PreSubclassWindow()
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{
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CSelectTreeCtrl::PreSubclassWindow();
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m_ilStateImages.Create(IDB_STATE_IMAGES, 13, 1, RGB(255,255,255));
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SetImageList(&m_ilStateImages, TVSIL_STATE);
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}
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HTREEITEM CStateTreeCtrl::InsertItemState(LPCTSTR lpszItem, int nImage, int nSelectedImage, int nState/*=STATE_DISABLED*/, HTREEITEM hParent/*=TVI_ROOT*/, HTREEITEM hInsertAfter/*=TVI_LAST*/)
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{
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TV_INSERTSTRUCT tvis;
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tvis.hParent = hParent;
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tvis.hInsertAfter = hInsertAfter;
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tvis.item.mask = TVIF_TEXT | TVIF_STATE | TVIF_IMAGE | TVIF_SELECTEDIMAGE;
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tvis.item.stateMask = TVIS_STATEIMAGEMASK;
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tvis.item.state = INDEXTOSTATEIMAGEMASK(1);
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tvis.item.pszText = (TCHAR*)lpszItem;
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tvis.item.cchTextMax = (int)_tcslen(lpszItem);
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tvis.item.iImage = nImage;
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tvis.item.iSelectedImage = nSelectedImage;
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HTREEITEM hItem = CTreeCtrl::InsertItem(&tvis);
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SetItemState(hItem, INDEXTOSTATEIMAGEMASK(nState), TVIS_STATEIMAGEMASK);
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return hItem;
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}
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int CStateTreeCtrl::GetItemCheck(HTREEITEM hItem) const
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{
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return (hItem == NULL)? STATE_NONE: (GetItemState(hItem, TVIS_STATEIMAGEMASK)>>12);
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}
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BOOL CStateTreeCtrl::SetItemCheck(HTREEITEM hItem, int nState)
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{
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return SetItemState(hItem, INDEXTOSTATEIMAGEMASK(nState), TVIS_STATEIMAGEMASK);
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}
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BOOL CStateTreeCtrl::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)
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{
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CPoint point;
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::GetCursorPos(&point);
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ScreenToClient(&point);
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UINT uFlags;
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HTREEITEM hItem = HitTest(point, &uFlags);
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if (hItem && TVHT_ONITEMSTATEICON == uFlags)
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{
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int iImage = GetItemCheck(hItem);
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if (iImage == STATE_DISABLED || iImage == STATE_NONE) {
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::SetCursor(m_hCursorNone);
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}
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else {
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::SetCursor(m_hCursor);
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}
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return TRUE;
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}
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return CSelectTreeCtrl::OnSetCursor(pWnd, nHitTest, message);
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}
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void CStateTreeCtrl::OnLButtonDown(UINT nFlags, CPoint point)
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{
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TVHITTESTINFO tvHitTest;
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tvHitTest.pt = point;
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HTREEITEM hItem = HitTest(&tvHitTest);
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if (hItem != NULL)
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{
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if (ToggleCheckState(hItem, tvHitTest.flags))
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{
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return;
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}
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}
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CSelectTreeCtrl::OnLButtonDown(nFlags, point);
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}
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void CStateTreeCtrl::OnKeyDown(UINT nChar, UINT nRepCnt, UINT nFlags)
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{
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if (nChar == VK_SPACE) {
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ToggleCheckState(GetSelectedItem(), TVHT_ONITEMSTATEICON);
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}
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CSelectTreeCtrl::OnKeyDown(nChar, nRepCnt, nFlags);
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}
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BOOL CStateTreeCtrl::ToggleCheckState(HTREEITEM hItem, UINT uFlags)
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{
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BOOL bOnStateIcon = ((uFlags & TVHT_ONITEMSTATEICON) == TVHT_ONITEMSTATEICON);
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if ((bOnStateIcon == FALSE) || (hItem == NULL)) {
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return FALSE;
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}
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int nState = GetItemCheck(hItem)+1;
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if (nState > STATE_INTERMEDIATE)
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nState = STATE_UNCHECKED;
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return SetItemCheck(hItem, nState);
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}
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