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三、实现代码
| /////////////////////////////// AviButton.h : header file #if !defined(AFX_AVIBUTTON_H__5E20D4EF_864E_11D7_886E_F16C81CD642B__INCLUDED_) #define AFX_AVIBUTTON_H__5E20D4EF_864E_11D7_886E_F16C81CD642B__INCLUDED_ #if _MSC_VER > 1000 #pragma once #endif // _MSC_VER > 1000 class CAviButton : public CButton { // Construction public: CAviButton(); public: UINT m_nAviID; CAnimateCtrl AnimateCtrl; BOOL bPlaying; void LoadAvi(UINT nAviID); void DrawButton(CDC* pDC, UINT nState, CRect rect); // Overrides // ClassWizard generated virtual function overrides //{{AFX_VIRTUAL(CAviButton) public: virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct); virtual BOOL Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext = NULL); //}}AFX_VIRTUAL // Implementation public: virtual ~CAviButton(); // Generated message map functions protected: //{{AFX_MSG(CAviButton) afx_msg void OnMouseMove(UINT nFlags, CPoint point); //}}AFX_MSG DECLARE_MESSAGE_MAP() }; #endif ////////////////////////////CAviButton.CPP文件； #include "stdafx.h" #include "TestAviButton.h" #include "AviButton.h" #ifdef _DEBUG #define new DEBUG_NEW #undef THIS_FILE static char THIS_FILE[] = __FILE__; #endif CAviButton::CAviButton() { m_nAviID = 0; bPlaying = FALSE; } CAviButton::~CAviButton() {} void CAviButton::LoadAvi(UINT nAviID) { m_nAviID =nAviID; } BEGIN_MESSAGE_MAP(CAviButton, CButton) //{{AFX_MSG_MAP(CAviButton) ON_WM_MOUSEMOVE() //}}AFX_MSG_MAP END_MESSAGE_MAP() ///////////////////// CAviButton message handlers void CAviButton::DrawButton(CDC *pDC, UINT nState, CRect rect) { COLORREF upCol,downCol,edgeCol; edgeCol=RGB(0,0,0); //设置按钮边缘的初始化颜色； if ((nState & ODS_SELECTED) == ODS_SELECTED) { //设置按钮被按下时按钮的颜色 upCol=RGB(0,0,0); edgeCol=RGB(128,128,128); downCol=RGB(0,0,0); } else { //设置按钮正常时按钮的颜色 upCol=RGB(255,255,255); downCol=RGB(128,128,128); } CPen* pOldPen = NULL; BOOL pen1Created; CPen pen1; BOOL pen2Created; CPen pen2; if (pen1Created = pen1.CreatePen(PS_SOLID, 1, upCol)) pOldPen = pDC->SelectObject( &pen1 ); //画左上边缘 pDC->MoveTo(1,rect.Height()-1); pDC->LineTo(1,1); pDC->LineTo(rect.Width()-1,1); pDC->MoveTo(0,rect.Height()-1); pDC->LineTo(0,0); pDC->LineTo(rect.Width()-1,0); if (pen2Created = pen2.CreatePen(PS_SOLID, 1, downCol)) pDC->SelectObject( &pen2 ); if (pen1Created) { pen1.DeleteObject(); pen1Created = FALSE; } //画右下边缘 pDC->MoveTo(rect.Width()-1,0); pDC->LineTo(rect.Width()-1,rect.Height()-1); pDC->LineTo(0,rect.Height()-1); pDC->MoveTo(rect.Width()-2,1); pDC->LineTo(rect.Width()-2,rect.Height()-2); pDC->LineTo(0,rect.Height()-2); if (pen2Created)//删除"pen2"画笔对象 { pen2.DeleteObject(); pen2Created = FALSE; } if (pen1Created = pen1.CreatePen(PS_SOLID, 1, edgeCol)) pOldPen = pDC->SelectObject( &pen1 ); if (pen1Created) { pen1.DeleteObject(); pen1Created = FALSE; } if (pOldPen != NULL) pDC->SelectObject( pOldPen ); } void CAviButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) { // TODO: Add your code to draw the specified item CRect rect; GetClientRect(rect); if (!::IsWindow(AnimateCtrl)) { //在按钮上生成一个动画控件 AnimateCtrl.Create(WS_CHILD |WS_VISIBLE,rect,this,0); //打开avi文件并显示第一帧 AnimateCtrl.Open(m_nAviID); AnimateCtrl.GetClientRect(rect); } CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC); UINT nState = lpDrawItemStruct->itemState; CRect buttonRect; GetClientRect(buttonRect); //绘制按钮 DrawButton(pDC, nState, buttonRect); } BOOL CAviButton::Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext) { // TODO: Add your specialized code here and/or call the base class return CWnd::Create(lpszClassName, lpszWindowName, dwStyle, rect, pParentWnd, nID, pContext); } void CAviButton::OnMouseMove(UINT nFlags, CPoint point) { // TODO: Add your message handler code here and/or call default ClientToScreen(&point); CRect rcWindow; GetWindowRect(rcWindow); //判断鼠标是否经过按钮 BOOL bNewMouseOverButton = rcWindow.PtInRect(point); if (bNewMouseOverButton && IsWindowEnabled() ) { if (::IsWindow(AnimateCtrl) && !bPlaying) { AnimateCtrl.Play(0,-1,1); bPlaying = TRUE; SetCapture(); } } else { bPlaying = FALSE; ReleaseCapture(); } CButton::OnMouseMove(nFlags, point); } ///////////////////////////////// BOOL CTestAviButtonDlg::OnInitDialog() { CDialog::OnInitDialog(); …………………//此处代码省略； m_AviButton.LoadAvi(IDR_AVI); return TRUE; // return TRUE unless you set the focus to a control } |
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