www.pudn.com > 1223456.rar > XPButton.cpp

//==================================================================== 
//==============XP Style Button============= 
//Author	Ma811 
//Date		2002-7-19 
//Version	0.50 
//E-mail	ma811@yeah.net 
//==================================================================== 
//////////////////////////////////////////////////////////////////// 
// XPButton.cpp : implementation file 
// 
 
#include "stdafx.h" 
#include "XPButton.h" 
 
#ifdef _DEBUG 
#define new DEBUG_NEW 
#undef THIS_FILE 
static char THIS_FILE[] = __FILE__; 
#endif 
 
///////////////////////////////////////////////////////////////////////////// 
// CXPButton 
 
CXPButton::CXPButton() 
{ 
	m_bIsMouseMove = 0; 
 
	m_NormalTextColor	= RGB(255, 255, 255); 
	m_SelectTextColor	= RGB(255, 255, 255); 
	m_ActiveTextColor	= RGB(255, 255, 255); 
 
	m_ActiveColor		= RGB(255, 120, 80); 
 
	m_NormalColorTop	= RGB(255, 255, 255); 
	m_NormalColorBottom = RGB(0, 128, 255); 
 
	m_FrameColor		= RGB(0, 64, 128); 
	m_FrameHeight		= RGB(230, 230, 230); 
	m_FrameShadow		= RGB(128, 128, 128); 
} 
 
CXPButton::~CXPButton() 
{ 
} 
 
 
BEGIN_MESSAGE_MAP(CXPButton, CButton) 
	//{{AFX_MSG_MAP(CXPButton) 
	ON_WM_MOUSEMOVE() 
	//}}AFX_MSG_MAP 
	ON_MESSAGE(WM_MOUSELEAVE,OnMouseLeave) 
END_MESSAGE_MAP() 
 
///////////////////////////////////////////////////////////////////////////// 
// CXPButton message handlers 
 
void CXPButton::DrawItem( LPDRAWITEMSTRUCT lpDrawItemStruct ) 
{ 
	//* 
	CDC* pDC      = CDC::FromHandle(lpDrawItemStruct->hDC); 
	DWORD nState  = lpDrawItemStruct->itemState; 
	DWORD nAction = lpDrawItemStruct->itemAction;  
	CRect rc	  = lpDrawItemStruct->rcItem; 
	UINT uStyle   = DFCS_BUTTONPUSH; 
 
	pDC->SetBkMode(TRANSPARENT); 
	CString strText; 
	GetWindowText(strText); 
 
	if( nState & ODS_SELECTED ) 
	{ 
		m_bIsMouseMove = 0; 
 
		DrawFace(m_NormalColorBottom, m_NormalColorTop, rc, rc, pDC); 
		DrawFrame(m_FrameShadow, m_FrameShadow, m_FrameColor, rc, pDC);	 
		//pDC->Draw3dRect(rc, RGB(0,0,0), RGB(0,0,0)); 
 
		pDC->SetTextColor(m_SelectTextColor); 
	} 
	else //Normal 
	{ 
		DrawFace(m_NormalColorTop, m_NormalColorBottom, rc, rc, pDC); 
		DrawFrame(m_FrameHeight, m_FrameShadow, m_FrameColor, rc, pDC); 
 
		pDC->SetTextColor(m_NormalTextColor); 
	} 
 
	if( m_bIsMouseMove ) 
	{ 
		CRect rc2(rc); 
		rc2.DeflateRect(2, 2, 2, 2); 
 
		DrawFace(RGB(GetRValue(m_ActiveColor), GetGValue(m_ActiveColor)+100, GetBValue(m_ActiveColor)+100), 
			m_ActiveColor, rc, rc, pDC); 
		DrawFace(m_NormalColorTop, m_NormalColorBottom, rc2, rc, pDC); 
 
		CBrush NullBrush; 
		NullBrush.CreateStockObject(NULL_BRUSH); 
		CBrush* pOldBrush = pDC->SelectObject(&NullBrush); 
		 
		CPen Pen; 
		Pen.CreatePen(PS_SOLID, 1, m_FrameColor); 
		CPen* pOldPen = pDC->SelectObject(&Pen); 
		rc.InflateRect(1,1,1,1); 
		pDC->RoundRect(rc, CPoint(3, 3)); 
		//rc.DeflateRect(1, 1, 1, 1);  
		//pDC->Draw3dRect(rc, HeightLight, ShadowLight); 
		 
		pDC->SelectObject(pOldPen); 
		pDC->SelectObject(pOldBrush); 
 
		pDC->SetTextColor(m_ActiveTextColor); 
	} 
	 
	pDC->DrawText(strText, strText.GetLength(),  
		&lpDrawItemStruct->rcItem, DT_SINGLELINE|DT_VCENTER|DT_CENTER); 
	//*/// 
} 
 
void CXPButton::OnMouseMove(UINT nFlags, CPoint point)  
{ 
	// TODO: Add your message handler code here and/or call default 
	if( m_bIsMouseMove == 0 ) 
	{ 
		m_bIsMouseMove = 1; 
		Invalidate(); 
		 
		TRACKMOUSEEVENT trackmouseevent; 
		trackmouseevent.cbSize = sizeof(trackmouseevent); 
		trackmouseevent.dwFlags = TME_LEAVE; 
		trackmouseevent.hwndTrack = GetSafeHwnd(); 
		trackmouseevent.dwHoverTime = HOVER_DEFAULT; 
		_TrackMouseEvent(&trackmouseevent); 
	} 
	 
	CButton::OnMouseMove(nFlags, point); 
} 
 
LONG CXPButton::OnMouseLeave(WPARAM, LPARAM) 
{ 
	m_bIsMouseMove = 0; 
	Invalidate(); 
 
	return 0; 
} 
 
void CXPButton::PreSubclassWindow()  
{ 
	// TODO: Add your specialized code here and/or call the base class 
	UINT nBS = GetButtonStyle(); 
 
	// Add BS_OWNERDRAW style 
	SetButtonStyle(nBS | BS_OWNERDRAW); 
 
	CButton::PreSubclassWindow(); 
} 
 
void CXPButton::DrawFace(COLORREF Top, COLORREF Bottom, CRect& rc, CRect CalRc, CDC* pDC) 
{ 
	CPen Pen; 
	CPen* pOldPen = pDC->SelectObject(&Pen); 
	 
	int R, G, B; 
	R = (GetRValue(Top) - GetRValue(Bottom)) / CalRc.Height(); 
	G = (GetGValue(Top) - GetGValue(Bottom)) / CalRc.Height(); 
	B = (GetBValue(Top) - GetBValue(Bottom)) / CalRc.Height(); 
	 
	//R = R>0 ? R : -R; 
	//G = G>0 ? G : -G; 
	//B = B>0 ? B : -B; 
 
	int ColR = GetRValue(Top), ColG = GetGValue(Top), ColB = GetBValue(Top); 
	COLORREF ColMax = Top > Bottom ? Top : Bottom; 
	COLORREF ColMin = Top > Bottom ? Bottom: Top; 
 
	for(int i=0; i= GetRValue(ColMax) || ColR <= GetRValue(ColMin) || 
			ColG >= GetGValue(ColMax) || ColG <= GetGValue(ColMin) || 
			ColB >= GetBValue(ColMax) || ColB <= GetBValue(ColMin) ) 
		{ 
			R = G = B = 0; 
		}///*/ 
 
 
		Pen.DeleteObject(); 
		Pen.CreatePen(PS_SOLID, 1, RGB(ColR, ColG, ColB)); 
				 
		pDC->SelectObject(&Pen); 
		 
		pDC->MoveTo(rc.left, rc.top+i); 
		pDC->LineTo(rc.right, rc.top+i); 
	} 
 
	pDC->SelectObject(pOldPen); 
} 
 
void CXPButton::DrawFrame(COLORREF HeightLight, COLORREF ShadowLight, COLORREF FrameColor, CRect& rc, CDC* pDC) 
{ 
	CBrush NullBrush; 
	NullBrush.CreateStockObject(NULL_BRUSH); 
	CBrush* pOldBrush = pDC->SelectObject(&NullBrush); 
 
	CPen Pen; 
	Pen.CreatePen(PS_SOLID, 1, FrameColor); 
	CPen* pOldPen = pDC->SelectObject(&Pen); 
	 
	pDC->RoundRect(rc, CPoint(3, 3)); 
	rc.DeflateRect(1, 1, 1, 1);  
	pDC->Draw3dRect(rc, HeightLight, ShadowLight); 
 
	pDC->SelectObject(pOldPen); 
	pDC->SelectObject(pOldBrush); 
}