yctbitmapbutton.cpp

简易的日期控件

// yctBitmapButton.cpp : implementation file
//

#include "stdafx.h"
#include "MyButtonDlg.h"
#include "yctBitmapButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CyctBitmapButton

CyctBitmapButton::CyctBitmapButton(): m_fIsInit(FALSE)
{
}

CyctBitmapButton::~CyctBitmapButton()
{

}


BEGIN_MESSAGE_MAP(CyctBitmapButton, CButton)
	//{{AFX_MSG_MAP(CyctBitmapButton)
	ON_WM_MOUSEMOVE()
	ON_WM_LBUTTONDOWN()
	ON_WM_LBUTTONUP()
	ON_WM_DESTROY()
	ON_WM_CREATE()
	ON_WM_SETFOCUS()
	//}}AFX_MSG_MAP
	ON_MESSAGE(WM_MOUSELEAVE, OnMouseLeave)//手工添加
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CyctBitmapButton message handlers

void CyctBitmapButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	if(m_MouseState.GetCurState() == _mouse_out)
	{
		SetBitmap(m_hIn);
		return;
	}
  
	//当鼠标离开时触发WM_MOUSELEAVE事件
	TRACKMOUSEEVENT   tme;   
    tme.cbSize = sizeof(tme);   
    tme.dwFlags = TME_LEAVE;   
    tme.hwndTrack = m_hWnd;   
    tme.dwHoverTime = HOVER_DEFAULT;
    ::TrackMouseEvent(&tme);
	
	CButton::OnMouseMove(nFlags, point);
}

void CyctBitmapButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	SetBitmap(m_hDown);	

	CButton::OnLButtonDown(nFlags, point);
}

void CyctBitmapButton::OnLButtonUp(UINT nFlags, CPoint point) 
{
	SetBitmap(m_hIn);

	CButton::OnLButtonUp(nFlags, point);
}

int CyctBitmapButton::Init()
{
//（窗口建立后的）初始化

	m_hIn      = ::LoadBitmap(::AfxGetInstanceHandle(),MAKEINTRESOURCE(IDB_BITMAP_IN));
	m_hOut     = ::LoadBitmap(::AfxGetInstanceHandle(),MAKEINTRESOURCE(IDB_BITMAP_OUT));
	m_hDown    = ::LoadBitmap(::AfxGetInstanceHandle(),MAKEINTRESOURCE(IDB_BITMAP_DOWN));

	ASSERT(m_hIn != NULL);
	ASSERT(m_hOut != NULL);
	ASSERT(m_hDown != NULL);
	
	//SetButtonStyle( BS_BITMAP | GetButtonStyle() );
	ModifyStyle(0,BS_BITMAP);//增加BS_BITMAP风格
	SetBitmap(m_hOut);

	return 0;
}

void CyctBitmapButton::OnDestroy() 
{
	CButton::OnDestroy();

	//卸载Bitmap资源
#ifdef _DEBUG
	ASSERT(0 != DeleteObject(m_hIn));
	ASSERT(0 != DeleteObject(m_hOut));
	ASSERT(0 != DeleteObject(m_hDown));
#else
	DeleteObject(m_hIn);
	DeleteObject(m_hOut);
	DeleteObject(m_hPutdown);
#endif	
}

void CyctBitmapButton::PreSubclassWindow() 
{
	//初始化
	if(!m_fIsInit)
	{
		//AfxMessageBox(_T("CyctBitmapButton::PreSubclassWindow"));
		Init();
		m_fIsInit = TRUE;
	}

	CButton::PreSubclassWindow();
}

int CyctBitmapButton::OnCreate(LPCREATESTRUCT lpCreateStruct) 
{
	if (CButton::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	//初始化
	if(!m_fIsInit)
	{
		//AfxMessageBox(_T("CyctBitmapButton::OnCreate"));
		Init();
		m_fIsInit = TRUE;
	}	
	return 0;
}

LRESULT CyctBitmapButton::OnMouseLeave(WPARAM wParam, LPARAM lParam)   
{ 
	SetBitmap(m_hOut);

	return 0;   
}  

HBITMAP CyctBitmapButton::SetBitmap(HBITMAP hBitmap)
{
//设置按钮的位图

	ASSERT(m_hIn == hBitmap || m_hOut == hBitmap || m_hDown == hBitmap);
	if(m_hIn == hBitmap)
		m_MouseState.SetCurState( _mouse_in );
	else if(m_hOut == hBitmap)
		m_MouseState.SetCurState(_mouse_out );
	else if(m_hDown == hBitmap)
		m_MouseState.SetCurState( _mouse_down );

	return CButton::SetBitmap(hBitmap);
}


void CyctBitmapButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
//
	// TODO: Add your code to draw the specified item
	ASSERT(FALSE);
	
}

void CyctBitmapButton::OnSetFocus(CWnd* pOldWnd) 
{
//使函数体为空，去掉了虚框

	//CButton::OnSetFocus(pOldWnd);
	
	// TODO: Add your message handler code here
	
}