www.pudn.com > execellentPlayer.rar > SlideButton.cpp

// SlideButton.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "MyPlayer.h" 
#include "SlideButton.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
#define ID_TIP  1 
///////////////////////////////////////////////////////////////////////////// 
// CSlideButton 
 
CSlideButton::CSlideButton() 
{ 
 
} 
 
CSlideButton::~CSlideButton() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CSlideButton, CButton) 
	//{{AFX_MSG_MAP(CSlideButton) 
	ON_WM_SETCURSOR() 
	ON_WM_LBUTTONDOWN() 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CSlideButton message handlers 
 
void CSlideButton::SetBitmap(UINT nBkgnd, UINT nSlide) 
{ 
	m_nBkgnd=nBkgnd; 
	nSlide=m_nSlide; 
	Invalidate(); 
} 
 
void CSlideButton::SetDefaultCursor() 
{ 
	m_hCursor=LoadCursor(NULL,MAKEINTRESOURCE(32649)); 
} 
 
void CSlideButton::SetRange(UINT nMin, UINT nMax) 
{ 
	m_nMin=nMin; 
	m_nMax=nMax; 
	AdjustPosition(); 
	Invalidate(); 
} 
 
void CSlideButton::SetSlidePos(UINT nPos) 
{ 
	m_nCurrentPos=nPos; 
	Invalidate(); 
} 
 
void CSlideButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct)  
{ 
	// TODO: Add your code to draw the specified item 
	CDC*pDC; 
	pDC=CDC::FromHandle(lpDrawItemStruct->hDC); 
	DrawBackground(pDC); 
	DrawSlide(pDC); 
} 
 
void CSlideButton::PreSubclassWindow()  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	SetDefaultCursor(); 
	 
	CRect rect; 
	GetClientRect(&rect); 
	m_ToolTip.Create(this); 
	m_ToolTip.SetDelayTime(100); 
	m_ToolTip.SetMaxTipWidth(200); 
	m_ToolTip.AddTool(this,"",rect,ID_TIP); 
 
	CButton::PreSubclassWindow(); 
} 
 
BOOL CSlideButton::PreTranslateMessage(MSG* pMsg)  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	m_ToolTip.RelayEvent(pMsg); 
	return CButton::PreTranslateMessage(pMsg); 
} 
 
BOOL CSlideButton::OnSetCursor(CWnd* pWnd, UINT nHitTest, UINT message)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if(m_hCursor!=NULL){ 
		::SetCursor(m_hCursor); 
		return TRUE; 
	} 
	return FALSE; 
} 
 
void CSlideButton::SetButtonCursor(HCURSOR hCursor) 
{ 
   m_hCursor=hCursor; 
} 
 
void CSlideButton::DrawBackground(CDC*pDC) 
{ 
	CDC MemDC;     
	CBitmap bitmap; 
	BITMAP m_bitmap; 
 
	bitmap.LoadBitmap(m_nBkgnd); 
	bitmap.GetBitmap(&m_bitmap); 
 
	MemDC.CreateCompatibleDC(pDC); 
	MemDC.SelectObject(&bitmap); 
 
	pDC->BitBlt(0,0,m_bitmap.bmWidth,m_bitmap.bmHeight,&MemDC, 
		0,0,SRCCOPY); 
 
	bitmap.DeleteObject(); 
	MemDC.DeleteDC(); 
} 
 
void CSlideButton::DrawSlide(CDC *pDC) 
{ 
	CRect rect; 
	GetClientRect(&rect); 
	int nWidth=rect.Width(); 
    	 
	CBitmap bitmap; 
	BITMAP m_bitmap; 
	CDC MemDC; 
 
	bitmap.LoadBitmap(m_nSlide); 
	bitmap.GetBitmap(&m_bitmap); 
 
	nWidth-=m_bitmap.bmWidth; 
	int x=(int)(((float)nWidth/(float)(m_nMax-m_nMin))*(m_nCurrentPos-m_nMin)); 
    if(x<0) 
		x=0; 
 
	MemDC.CreateCompatibleDC(pDC); 
	MemDC.SelectObject(&bitmap); 
 
	pDC->BitBlt(x,0,m_bitmap.bmWidth,m_bitmap.bmHeight, 
		&MemDC,0,0,SRCCOPY); 
 
	bitmap.DeleteObject(); 
	MemDC.DeleteDC(); 
 
	m_nWidth=nWidth; 
} 
 
void CSlideButton::SetToolTipText(CString strText) 
{ 
	m_ToolTip.UpdateTipText(strText,this,ID_TIP); 
} 
 
void CSlideButton::Init(UINT nBkgndID, UINT nSlideID, UINT nMax, UINT nMin, CString strTipText) 
{ 
	m_nBkgnd=nBkgndID; 
	m_nSlide=nSlideID; 
	m_nMax=nMax; 
	m_nMin=nMin; 
	m_ToolTip.UpdateTipText(strTipText,this,ID_TIP); 
	m_nCurrentPos=m_nMin; 
	pWndParent=GetParent(); 
	AdjustPosition(); 
} 
 
void CSlideButton::Init(UINT nBkgndID, UINT nSlideID, CString strTipText) 
{ 
	m_nBkgnd=nBkgndID; 
	m_nSlide=nSlideID; 
	m_nMax=100; 
	m_nMin=1; 
	m_ToolTip.UpdateTipText(strTipText,this,ID_TIP); 
	m_nCurrentPos=m_nMin; 
	pWndParent=GetParent(); 
	AdjustPosition(); 
} 
 
UINT CSlideButton::GetSlidePos() 
{ 
   return m_nCurrentPos; 
} 
 
void CSlideButton::AdjustPosition() 
{ 
	CRect rect; 
	CBitmap bitmap; 
	BITMAP m_bitmap; 
 
	bitmap.LoadBitmap(m_nBkgnd); 
	bitmap.GetBitmap(&m_bitmap); 
 
	GetWindowRect(&rect); 
	pWndParent->ScreenToClient(&rect); 
	rect.right=rect.left+m_bitmap.bmWidth; 
	rect.bottom=rect.top+m_bitmap.bmHeight; 
	MoveWindow(&rect,TRUE); 
 
	bitmap.DeleteObject(); 
   
} 
 
void CSlideButton::OnLButtonDown(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	CRect rect; 
	GetClientRect(&rect); 
	if(rect.PtInRect(point)){ 
		m_nCurrentPos=(UINT)((float)point.x/(float)m_nWidth*(m_nMax-m_nMin))+m_nMin; 
	} 
	CButton::OnLButtonDown(nFlags, point); 
} 
 
void CSlideButton::GetRange(UINT &nMax, UINT &nMin) 
{ 
  nMax=m_nMax; 
  nMin=m_nMin; 
}