动画按钮类

class CAviButton : public CButton
{
// Construction
public:
 CAviButton();

// Attributes
public:
 UINT m_AviID;//AVI资源ID
// Operations
public:
 

// Overrides
 // ClassWizard generated virtual function overrides
 //{{AFX_VIRTUAL(CAviButton)
 public:
 virtual BOOL Create(LPCTSTR lpszClassName, LPCTSTR lpszWindowName, DWORD dwStyle, const RECT& rect, CWnd* pParentWnd, UINT nID, CCreateContext* pContext = NULL);
 virtual void DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct);
 //}}AFX_VIRTUAL

// Implementation
public:
 virtual ~CAviButton();
 void LoadAVI(UINT nAviID);//加载AVI资源

 // Generated message map functions
protected:
 //{{AFX_MSG(CAviButton)
 afx_msg void OnMouseMove(UINT nFlags, CPoint point);
 //}}AFX_MSG
 CAnimateCtrl m_AnimateCtrl;//动画控件
    BOOL m_bPlaying;//播放控制
 void DrawButton(CDC* pDC, UINT nState, CRect rect);
 DECLARE_MESSAGE_MAP()
};

 

 

 

CAviButton::CAviButton()
{
 m_AviID = 0;
    m_bPlaying = FALSE;
}

CAviButton::~CAviButton()
{
}

BEGIN_MESSAGE_MAP(CAviButton, CButton)
 //{{AFX_MSG_MAP(CAviButton)
 ON_WM_MOUSEMOVE()
 //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CAviButton message handlers

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::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)
{
 // TODO: Add your code to draw the specified item
 CRect rect;
    GetClientRect(rect);//获取按钮的尺寸
    if (!::IsWindow(m_AnimateCtrl))
    {
       m_AnimateCtrl.Create(WS_CHILD |WS_VISIBLE,rect,this,0);//创建动画按钮控件
       m_AnimateCtrl.Open(m_AviID);
       m_AnimateCtrl.GetClientRect(rect);
       VERIFY(SetWindowPos(NULL, -1, -1, rect.Width()+4, rect.Height()+4,
  SWP_NOMOVE|SWP_NOZORDER|SWP_NOREDRAW|SWP_NOACTIVATE));
       rect.OffsetRect(2,2); 
       m_AnimateCtrl.MoveWindow(rect); //设置动画控件的位置
    }
    CDC* pDC = CDC::FromHandle(lpDrawItemStruct->hDC);//按钮控件DC
 UINT nState = lpDrawItemStruct->itemState;
    CRect buttonRect;
    GetClientRect(buttonRect);
   if (IsWindowEnabled())
  nState &= ~ODS_DISABLED;
 else
  nState |= ODS_DISABLED;
    DrawButton(pDC, nState, buttonRect);//绘制按钮的边界 
}

void CAviButton::LoadAVI(UINT nAviID)
{
    m_AviID =nAviID;
}

void CAviButton::OnMouseMove(UINT nFlags, CPoint point)
{
 // TODO: Add your message handler code here and/or call default
 ClientToScreen(&point);
 CRect rcWindow;
 GetWindowRect(rcWindow);
 BOOL bNewMouseOverButton = rcWindow.PtInRect(point);//确定鼠标在按钮区域内
    unsigned long nROnly = ES_READONLY;
    BOOL bTest = (GetStyle() &  nROnly) != nROnly;
 if (bNewMouseOverButton && IsWindowEnabled() && bTest)
    {
        if (::IsWindow(m_AnimateCtrl) && !m_bPlaying)
        {
            m_AnimateCtrl.Play(0,-1,1);//播放动画
            m_bPlaying = TRUE;
            SetCapture();//捕捉鼠标
        }
  else
  {
   m_bPlaying = FALSE;
  }
    }
    else//为只读按钮
    {
        m_bPlaying = FALSE;
        ReleaseCapture();//释放鼠标
    } 
 CButton::OnMouseMove(nFlags, point);
}
//绘制按钮边界
void CAviButton::DrawButton(CDC* pDC, UINT nState, CRect rect)
{
    COLORREF upCol,downCol,edgeCol;
    edgeCol=RGB(0,0,0);
    BOOL bRevers = FALSE;
 if ((nState & ODS_SELECTED) == ODS_SELECTED)//按钮被按下
 {
  //  Pressed
        upCol=RGB(0,0,0);
        edgeCol=RGB(128,128,128);
        downCol=RGB(0,0,0);
        bRevers = TRUE;
    }
 else
    {   // 正常状态
        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 );
    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;
    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) pen2.DeleteObject();
        pen2Created = FALSE;
    if (pen1Created = pen1.CreatePen(PS_SOLID, 1, edgeCol))
        pOldPen = pDC->SelectObject( &pen1 );

    if (bRevers)
    {
        pDC->MoveTo(1,rect.Height()-2);
        pDC->LineTo(1,1);                                                            
        pDC->LineTo(rect.Width()-2,1);
    }
    else
    {
        pDC->MoveTo(rect.Width()-1,0);
        pDC->LineTo(rect.Width()-1,rect.Height()-1);
        pDC->LineTo(-1,rect.Height()-1);
    }

    if (pen1Created) pen1.DeleteObject();
        pen1Created = FALSE;

    if (pOldPen != NULL) pDC->SelectObject( pOldPen );

}