www.pudn.com > myXPButton_net.zip > ButtonXp.cpp

// ButtonXp.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "ButtonXp.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CButtonXp 
 
CButtonXp::CButtonXp():m_bOver(FALSE) 
{ 
} 
 
CButtonXp::~CButtonXp() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CButtonXp, CButton) 
	//{{AFX_MSG_MAP(CButtonXp) 
	ON_WM_MOUSEMOVE() 
	ON_MESSAGE(WM_MOUSELEAVE,OnMouseOut) 
	//}}AFX_MSG_MAP 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CButtonXp message handlers 
 
void CButtonXp::DrawItem(LPDRAWITEMSTRUCT lpDIS)  
{ 
	// TODO: Add your code to draw the specified item 
	CDC	*pDC =CDC::FromHandle(lpDIS->hDC); 
 
	CRect	rtControl(lpDIS->rcItem); 
 
	CPen	pen,*old_pen; 
	CBrush	brush,*old_brush; 
	CString  strText; 
	 
	HFONT hOldFont = (HFONT)pDC->SelectObject ((HFONT)::GetStockObject (DEFAULT_GUI_FONT)); 
 
	UINT	state =lpDIS->itemState; 
 
	if(state & ODS_FOCUS) 
	{ 
		rtControl.DeflateRect(1,1);	//拥有焦点矩形变小 
	} 
 
	if((state & ODS_DISABLED) || 
		(!MouseOver() &&!(state & ODS_SELECTED))) 
	{ 
		//普通状态、禁用、拥有焦点三种情况下 
		pen.CreatePen (PS_SOLID, 1, ::GetSysColor(COLOR_3DSHADOW)); 
		brush.CreateSolidBrush(HLS_TRANSFORM(::GetSysColor(COLOR_3DFACE),-10,0)); 
	} 
	else 
	{ 
		COLORREF	crBorder =::GetSysColor(COLOR_HIGHLIGHT); 
 
		pen.CreatePen(PS_SOLID, 1, crBorder); 
 
		if( state & ODS_SELECTED) 
		{ 
			//按钮按下时 
			brush.CreateSolidBrush(HLS_TRANSFORM(crBorder,+50,-50)); 
			 
			pDC->SetTextColor(RGB(240,240,240)); 
		} 
		else 
		{ 
			//鼠标在区域内	 
			brush.CreateSolidBrush(HLS_TRANSFORM(crBorder,+80,-66)); 
			pDC->SetTextColor(::GetSysColor(COLOR_BTNTEXT)); 
		} 
	} 
 
	if(state &ODS_DISABLED) 
		pDC->SetTextColor(::GetSysColor(COLOR_GRAYTEXT));//灰色字：禁用状态 
	else if(state & ODS_SELECTED) 
		pDC->SetTextColor(RGB(240,240,240));	//白色字：PUSH状态 
	else if(MouseOver())	 
		pDC->SetTextColor(0);	//黑色字：热感应状态 
	else 
		pDC->SetTextColor(::GetSysColor(COLOR_BTNTEXT));	//黑色字：普通状态	 
 
	old_brush=pDC->SelectObject(&brush); 
	old_pen  =pDC->SelectObject(&pen); 
 
	pDC->Rectangle(rtControl); 
	pDC->SetBkMode(TRANSPARENT); 
	GetWindowText(strText); 
	pDC->DrawText(strText,rtControl,DT_SINGLELINE|DT_CENTER|DT_VCENTER); 
 
 
	if(state & ODS_FOCUS) 
	{ 
		rtControl.DeflateRect(3,3); 
		pDC->DrawFocusRect(rtControl); 
	} 
 
	pDC->SelectObject(old_pen); 
	pDC->SelectObject(old_brush); 
	pDC->SelectObject(hOldFont); 
} 
 
void CButtonXp::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if(m_bOver ==FALSE) 
	{ 
		//鼠标在按钮之上 
		m_bOver =TRUE; 
 
		//按钮重绘 
		InvalidateRect(NULL,FALSE); 
 
		//跟踪鼠标 
		//当鼠标离开按钮区域会收到WM_MOUSELEAVE,该消息直接调用OnMouseOut() 
		TRACKMOUSEEVENT	tme; 
		tme.cbSize =sizeof(TRACKMOUSEEVENT); 
		tme.dwFlags =TME_LEAVE; 
		tme.dwHoverTime=0; 
		tme.hwndTrack =m_hWnd; 
		::TrackMouseEvent(&tme); 
	} 
	CButton::OnMouseMove(nFlags, point); 
} 
void CButtonXp::OnMouseOut () 
{ 
	//鼠标已离开按钮区域 
    m_bOver =FALSE; 
 
	//重绘按钮 
	InvalidateRect(NULL,FALSE); 
	 
} 
 
void CButtonXp::PreSubclassWindow()  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	ModifyStyle(0,BS_OWNERDRAW); 
 
	CButton::PreSubclassWindow(); 
} 
///////////////////////////////////////////////////// 
//返回鼠标是否在按钮区域内 
BOOL CButtonXp::MouseOver() 
{ 
	return m_bOver; 
}