gamebutton.cpp

利用UDP写的一个双人网上对战的迷宫游戏!VC

// GameButton.cpp : implementation file
//

#include "stdafx.h"
#include "Game.h"
#include "GameButton.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGameButton

CGameButton::CGameButton()
{
	m_Model=1;
	m_OnMouseUp=0;	//没在上面
	m_Lbdown=FALSE;
}

CGameButton::~CGameButton()
{
}


BEGIN_MESSAGE_MAP(CGameButton, CButton)
	//{{AFX_MSG_MAP(CGameButton)
	ON_WM_MOUSEMOVE()
	ON_WM_ERASEBKGND()
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGameButton message handlers

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

void CGameButton::OnMouseMove(UINT nFlags, CPoint point) 
{
	if ( GetCapture() != this )
	{
		m_OnMouseUp=1;
		SetCapture();
	}
	else
	{
		m_OnMouseUp=0;
		ReleaseCapture();
	}

	Invalidate();
	
	CButton::OnMouseMove(nFlags, point);
}

BOOL CGameButton::OnEraseBkgnd(CDC* pDC) 
{
	// TODO: Add your message handler code here and/or call default
	
	return TRUE;
}

void CGameButton::DrawItem(LPDRAWITEMSTRUCT lpDrawItemStruct) 
{
	CRect rect=lpDrawItemStruct->rcItem;
	CDC dc;
	dc.Attach(lpDrawItemStruct->hDC);

	CDC ds;
	ds.CreateCompatibleDC(&dc);

	CBitmap bits;

	if (  m_Model == 1 )			//单人游戏按钮
	{
		if ( m_OnMouseUp == 0 )		//鼠标不在按钮上面
		{
			bits.LoadBitmap(IDB_DRYX);
		}
		else						//鼠标在按钮上面
		{
			bits.LoadBitmap(IDB_DRYX2);
		}
	}
	if (  m_Model == 2 )			//双人对战按钮
	{
		if ( m_OnMouseUp == 0 )	
		{
			bits.LoadBitmap(IDB_SRDZ);
		}
		else
		{
			bits.LoadBitmap(IDB_SRDZ2);
		}
	}
	if (  m_Model == 3 )			//游戏介绍按钮
	{
		if ( m_OnMouseUp == 0 )
		{
			bits.LoadBitmap(IDB_YXJS);
		}
		else
		{
			bits.LoadBitmap(IDB_YXJS2);
		}
	}
	if (  m_Model == 4 )			//退出游戏按钮
	{
		if ( m_OnMouseUp == 0 )
		{
			bits.LoadBitmap(IDB_TCYX);
		}
		else
		{
			bits.LoadBitmap(IDB_TCYX2);
		}
	}
	if (  m_Model == 5 )			//创建游戏按钮
	{
		if ( m_OnMouseUp == 0 )
		{
			bits.LoadBitmap(IDB_CJYX);
		}
		else
		{
			bits.LoadBitmap(IDB_CJYX2);
		}
	}
	if (  m_Model == 6 )			//加入游戏按钮
	{
		if ( m_OnMouseUp == 0 )
		{
			bits.LoadBitmap(IDB_JRYX);
		}
		else
		{
			bits.LoadBitmap(IDB_JRYX2);
		}
	}

	ds.SelectObject(&bits);
	dc.BitBlt(0,0,rect.Width(),rect.Height(),&ds,0,0,SRCCOPY);
	dc.Detach();
}

void CGameButton::OnLButtonDown(UINT nFlags, CPoint point) 
{
	m_Lbdown = TRUE;
	CButton::OnLButtonDown(nFlags, point);
}