www.gusucode.com > VC++在combox列表框控件中添加图标-源码程序 > VC++在combox列表框控件中添加图标-源码程序/code/BitmapKeyed.cpp
//Download by http://www.NewXing.com //============================================================================================ // //============================================================================================ #include "stdafx.h" #include "BitmapKeyed.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif #define TOOLTIP_ID 1 //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- IMPLEMENT_DYNCREATE(CBitmapKeyed, CBitmap) //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- BEGIN_MESSAGE_MAP(CBitmapKeyed, CStatic) //{{AFX_MSG_MAP(CBitmapKeyed) ON_WM_CREATE() ON_WM_PAINT() //}}AFX_MSG_MAP ON_WM_NCHITTEST() END_MESSAGE_MAP() //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- UINT CBitmapKeyed::OnNcHitTest(CPoint /*point*/) { return HTCLIENT; } //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- void CBitmapKeyed::Init (CWnd *pParent, int nIDC, int idBitmap, int idBitmapKey) { if (nIDC) pParent->GetDlgItem(nIDC)->ShowWindow(false); Bitmap.DeleteObject (); BitmapKey.DeleteObject (); Bitmap.LoadBitmap(idBitmap); BitmapKey.LoadBitmap(idBitmapKey); if (nIDC) { CRect rect; pParent->GetDlgItem(nIDC)->GetWindowRect(&rect); pParent->ScreenToClient (&rect); DestroyWindow(); Create ("a", WS_VISIBLE|WS_CHILD, rect, pParent, nIDC); } // Create the tooltip if (m_tooltipOverride!="") { CRect rect; GetClientRect(rect); m_ToolTip.Create(this); m_ToolTip.SendMessage(TTM_SETMAXTIPWIDTH, 0, 400); m_ToolTip.AddTool(this, m_tooltipOverride, rect, TOOLTIP_ID); } } //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- int CBitmapKeyed::OnCreate(LPCREATESTRUCT lpCreateStruct) { if (CStatic::OnCreate(lpCreateStruct) == -1) return -1; SetWindowSize(); // resize appropriately return 0; } //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- void CBitmapKeyed::OnPaint(void) { CPaintDC dc(this); CDC dcImage; if (!dcImage.CreateCompatibleDC(&dc)) return; BITMAP bm; Bitmap.GetBitmap(&bm); // Bild zeichnen CBitmap* pOldBitmap = dcImage.SelectObject(&BitmapKey); dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCAND); dcImage.SelectObject(&Bitmap); dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCPAINT); dcImage.SelectObject(pOldBitmap); } //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- void CBitmapKeyed::PreSubclassWindow() { ModifyStyle(0, BS_OWNERDRAW); // Make it owner drawn CStatic::PreSubclassWindow(); SetWindowSize(); // resize appropriately } //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- void CBitmapKeyed::SetWindowSize() { // Get size dimensions of edges CSize MarginSize(::GetSystemMetrics(SM_CXEDGE), ::GetSystemMetrics(SM_CYEDGE)); // Get window size CRect rect; GetWindowRect(rect); CWnd* pParent = GetParent(); if (pParent) pParent->ScreenToClient(rect); // Set window size at least as wide as 2 arrows, and as high as arrow + margins int nWidth = max(rect.Width(), rect.Height()); MoveWindow(rect.left, rect.top, nWidth, rect.Height(), TRUE); // Get the new coords of this window GetWindowRect(rect); ScreenToClient(rect); } //-------------------------------------------------------------------------------------------- // //-------------------------------------------------------------------------------------------- BOOL CBitmapKeyed::PreTranslateMessage(MSG* pMsg) { if (m_tooltipOverride!="" && m_ToolTip.GetSafeHwnd()) m_ToolTip.RelayEvent(pMsg); return CStatic::PreTranslateMessage(pMsg); }