mybutton.cpp

其他人不需帐号就可自由下载此源码 实现了一个类似金山杀毒软件的界面

// MyButton.cpp : implementation file
//

#include "stdafx.h"
#include "DialogTest7.h"
#include "MyButton.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif

/////////////////////////////////////////////////////////////////////////////
// CMyButton

CMyButton::CMyButton()
{
	m_bIsMouseMove = FALSE;
}

CMyButton::~CMyButton()
{
}


BEGIN_MESSAGE_MAP(CMyButton, CButton)
	//{{AFX_MSG_MAP(CMyButton)
	ON_WM_MOUSEMOVE()
	ON_CONTROL_REFLECT(BN_CLICKED, OnClicked)
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMyButton message handlers
void CMyButton::PreSubclassWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
	ModifyStyle(0, BS_OWNERDRAW);

	CButton::PreSubclassWindow();
}

void CMyButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default

	if( !m_bIsMouseMove )
	{
		m_bIsMouseMove = TRUE;
		Invalidate();
		
		TRACKMOUSEEVENT trackmouseevent;
		trackmouseevent.cbSize = sizeof(trackmouseevent);
		trackmouseevent.dwFlags = TME_LEAVE ;
		trackmouseevent.hwndTrack = GetSafeHwnd();
		trackmouseevent.dwHoverTime = HOVER_DEFAULT;
		_TrackMouseEvent(&trackmouseevent);
	}
	
	CButton::OnMouseMove(nFlags, point);
}


#define WM_MOUSEOFFBUTTON  WM_USER+101 
LONG CMyButton::OnMouseLeave(WPARAM wParam, LPARAM lParam)
{
	m_bIsMouseMove = FALSE;
	::PostMessage(GetParent()->GetSafeHwnd(), WM_MOUSEOFFBUTTON, 0, 0);
	Invalidate();

	return 0;
}

#define WM_MOUSEONBUTTON  WM_USER+100 
void CMyButton::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)//select
	{
		m_bIsMouseMove = FALSE;

		DrawSelectedState(rc, pDC);
	}
	else //Normal
	{
		DrawNormalState(rc, pDC);
	}

	if (m_bIsMouseMove)//hover on the button
	{
		DrawFocusState(rc, pDC);
		::PostMessage(GetParent()->GetSafeHwnd(), WM_MOUSEONBUTTON, 0, 0);

	}
	
	pDC->DrawText(strText, strText.GetLength(), 
		&lpDrawItemStruct->rcItem, 
		DT_SINGLELINE|DT_VCENTER|DT_CENTER);
	
}


void CMyButton::DrawNormalState(CRect rc, CDC *pDC)
{

	//DrawFrame(rc, pDC);
//	DrawFace(rc, RGB(223, 233, 255), RGB(0, 128, 255), pDC);
//	DrawFrame(rc, RGB(230, 230, 230), RGB(128, 128, 128), pDC);
//	pDC->SetTextColor(RGB(255, 255, 255));
	pDC->DrawState(CPoint(0, 0), CSize(rc.Width(), rc.Height()),
					m_bmNormal, DSS_NORMAL);

}

void CMyButton::DrawSelectedState(CRect rc, CDC *pDC)
{

//	DrawFace(rc, RGB(255, 255, 255), RGB(0, 255, 128), pDC);
//	DrawFrame(rc, RGB(255, 255, 128), RGB(0, 255, 255), pDC);
//	pDC->SetTextColor(RGB(0, 128, 128));
	pDC->DrawState(CPoint(0, 0), CSize(rc.Width(), rc.Height()),
					m_bmSelect, DSS_NORMAL);
		
}


void CMyButton::DrawFocusState(CRect rc, CDC *pDC)
{
//	DrawFace(rc, RGB(255, 255, 255), RGB(128, 255, 128), pDC);
//	DrawFrame(rc, RGB(255, 255, 255), RGB(128, 255, 128), pDC);
//	pDC->SetTextColor(RGB(0, 128, 255));
	pDC->DrawState(CPoint(0, 0), CSize(rc.Width(), rc.Height()),
					m_bmFocuse, DSS_NORMAL);
}



void CMyButton::DrawFace(CRect &rc, COLORREF clrTopRight, COLORREF clrBottomLeft,
						 CDC* pDC)
{

	CPen Pen;
	CPen* pOldPen = pDC->SelectObject(&Pen);
	
	int R,G, B;
	R = (GetRValue(clrTopRight) - GetRValue(clrBottomLeft)) / rc.Height();
	G = (GetGValue(clrTopRight) - GetGValue(clrBottomLeft)) / rc.Height();
	B = (GetBValue(clrTopRight) - GetBValue(clrBottomLeft)) / rc.Height();
	
	int nColR = GetRValue(clrTopRight); 
	int	nColG = GetGValue(clrTopRight);
	int	nColB = GetBValue(clrTopRight);
	COLORREF clrColMax = clrTopRight > clrBottomLeft ? clrTopRight  : clrBottomLeft;
	COLORREF clrColMin = clrTopRight > clrBottomLeft ? clrBottomLeft: clrTopRight;

	for(int i=0; i<rc.Height(); i++)
	{
		nColR -= R;
		nColG -= G;
		nColB -= B;

		
		Pen.CreatePen(PS_SOLID, 1, RGB(nColR, nColG, nColB));
				
		pDC->SelectObject(&Pen);
		
		pDC->MoveTo(rc.left, rc.top+i);
		pDC->LineTo(rc.right, rc.top+i);

		Pen.DeleteObject();
	}

	pDC->SelectObject(pOldPen);

}

void CMyButton::DrawFrame(CRect& rc, COLORREF clrTopRight, COLORREF clrBottomLeft,
						  CDC* pDC)
{
	CBrush NullBrush;
	NullBrush.CreateStockObject(NULL_BRUSH);
	CBrush* pOldBrush = pDC->SelectObject(&NullBrush);

	CPen Pen;
	Pen.CreatePen(PS_SOLID, 1, RGB(0, 64, 128));
	CPen* pOldPen = pDC->SelectObject(&Pen);
	
	pDC->RoundRect(rc, CPoint(3, 3) );
	rc.DeflateRect(1, 1, 1, 1); 
	pDC->Draw3dRect(rc, clrTopRight, clrBottomLeft);

	pDC->SelectObject(pOldPen);
	pDC->SelectObject(pOldBrush);
}


void CMyButton::SetBitmaps(UINT nNormal, UINT nSelect, UINT nFocuse)
{
	m_bmNormal.LoadBitmap(nNormal);
	m_bmSelect.LoadBitmap(nSelect);
	m_bmFocuse.LoadBitmap(nFocuse);
}

void CMyButton::OnClicked() 
{
	// TODO: Add your control notification handler code here
	
}