gongchengview.cpp

在visualC++中对菜单资源的使用

// gongchengView.cpp : implementation of the CGongchengView class
//

#include "stdafx.h"
#include "gongcheng.h"

#include "gongchengDoc.h"
#include "gongchengView.h"
#include "InputDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CGongchengView

IMPLEMENT_DYNCREATE(CGongchengView, CView)

BEGIN_MESSAGE_MAP(CGongchengView, CView)
	//{{AFX_MSG_MAP(CGongchengView)
	ON_COMMAND(ID_OPER_SHOW, OnOperShow)
	ON_UPDATE_COMMAND_UI(ID_OPER_SHOW, OnUpdateOperShow)
	ON_COMMAND(ID_OPER_STRING, OnOperString)
	//}}AFX_MSG_MAP
	// Standard printing commands
	ON_COMMAND(ID_FILE_PRINT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_DIRECT, CView::OnFilePrint)
	ON_COMMAND(ID_FILE_PRINT_PREVIEW, CView::OnFilePrintPreview)
	ON_COMMAND_RANGE(ID_OPER_RED,ID_OPER_BLUE,OnOperColorChange)	//消息处理函数
	ON_UPDATE_COMMAND_UI_RANGE(ID_OPER_RED,ID_OPER_BLUE,OnUpdateOperColorChange)
	ON_WM_RBUTTONDOWN()
    ON_COMMAND(ID_POP_SHOW, OnOperShow) //消息响应
    ON_UPDATE_COMMAND_UI(ID_POP_SHOW,  OnUpdateOperShow)
    ON_COMMAND_RANGE(ID_POP_RED,ID_POP_BLUE,OnPopColorChange)
    ON_UPDATE_COMMAND_UI_RANGE(ID_POP_RED,ID_POP_BLUE,OnUpdatePopColorChange)


END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CGongchengView construction/destruction

CGongchengView::CGongchengView()
{
	// TODO: add construction code here
	m_nColors[0] = RGB(255,0,0);
	m_nColors[1] = RGB(0,255,0);
	m_nColors[2] = RGB(0,0,255);
	m_nColorIndex = 0;
	m_strShow = "Hello World!";
	m_bShow = TRUE; 
	m_PopMenu.LoadMenu(IDR_MENU_POP);  // 创建并加载菜单资源


}

CGongchengView::~CGongchengView()
{
	m_PopMenu.DestroyMenu();              // 释放菜单资源
}

BOOL CGongchengView::PreCreateWindow(CREATESTRUCT& cs)
{
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CGongchengView drawing

void CGongchengView::OnDraw(CDC* pDC)
{
	CGongchengDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here
	if(m_bShow)
	{	
		pDC->SetTextColor(m_nColors[m_nColorIndex]); 
					// 设置输出字符串颜色
	    pDC->TextOut(100,100,m_strShow);   // 输出字符串
	}
	
	CDC dcMemory;                    	// 创建内存缓冲DC
    dcMemory.CreateCompatibleDC(pDC);
    CBitmap bmp1;                   	 // 加载256位图
    bmp1.LoadBitmap(IDB_BITMAP_256);
    BITMAP bmpInfo1;
    bmp1.GetBitmap(&bmpInfo1);       // 获得位图的尺寸
    CBitmap* pOldBitmap1 = dcMemory.SelectObject(&bmp1);
				 // 选择位图到内存缓冲设备中
    pDC->BitBlt(250,0,bmpInfo1.bmWidth,bmpInfo1.bmHeight,&dcMemory,0,0,SRCCOPY);	 // 绘制到屏幕

	CBitmap bmp2;   
    bmp2.LoadBitmap(IDB_BITMAP_24bit); // 加载24位位图
    BITMAP bmpInfo2;
    bmp2.GetBitmap(&bmpInfo2);
    CBitmap* pOldBitmap2 = dcMemory.SelectObject(&bmp2);
    pDC->BitBlt(570,0,bmpInfo2.bmWidth,bmpInfo2.bmHeight, &dcMemory,0,0,SRCCOPY);
    dcMemory.SelectObject(pOldBitmap2);					// 恢复设备中原来的位图


}

/////////////////////////////////////////////////////////////////////////////
// CGongchengView printing

BOOL CGongchengView::OnPreparePrinting(CPrintInfo* pInfo)
{
	// default preparation
	return DoPreparePrinting(pInfo);
}

void CGongchengView::OnBeginPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add extra initialization before printing
}

void CGongchengView::OnEndPrinting(CDC* /*pDC*/, CPrintInfo* /*pInfo*/)
{
	// TODO: add cleanup after printing
}

/////////////////////////////////////////////////////////////////////////////
// CGongchengView diagnostics

#ifdef _DEBUG
void CGongchengView::AssertValid() const
{
	CView::AssertValid();
}

void CGongchengView::Dump(CDumpContext& dc) const
{
	CView::Dump(dc);
}

CGongchengDoc* CGongchengView::GetDocument() // non-debug version is inline
{
	ASSERT(m_pDocument->IsKindOf(RUNTIME_CLASS(CGongchengDoc)));
	return (CGongchengDoc*)m_pDocument;
}
#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CGongchengView message handlers

void CGongchengView::OnOperShow() 
{
	// TODO: Add your command handler code here
	m_bShow = !m_bShow;
    Invalidate();	// 强制程序重新窗口
	
}

void CGongchengView::OnUpdateOperShow(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_bShow);

	
}

void CGongchengView::OnOperColorChange(WORD nID)
{	
	m_nColorIndex = nID-ID_OPER_RED;
	Invalidate(); 

}

void CGongchengView::OnUpdateOperColorChange(CCmdUI * pCmdUI)
{
   pCmdUI->SetRadio(m_nColorIndex==(pCmdUI->m_nID - ID_OPER_RED));
}

void CGongchengView::OnRButtonDown(UINT nFlags, CPoint point) 
{
	m_pPop=m_PopMenu.GetSubMenu(0); //获得第一个子菜单
    UINT nCheck = m_bShow?MF_CHECKED:MF_UNCHECKED;	 			// 更新【Show】的check状态
    m_pPop->CheckMenuItem(ID_POP_SHOW,MF_BYCOMMAND|nCheck);
	if(m_nColorIndex==0)
	{
		m_pPop->CheckMenuItem(ID_POP_RED,MF_CHECKED);
        m_pPop->CheckMenuItem(ID_POP_BLUE,MF_UNCHECKED);
	    m_pPop->CheckMenuItem(ID_POP_GREEN,MF_UNCHECKED);
	}
	if(m_nColorIndex==1)
	{
		m_pPop->CheckMenuItem(ID_POP_RED,MF_UNCHECKED);
        m_pPop->CheckMenuItem(ID_POP_GREEN,MF_CHECKED);
	    m_pPop->CheckMenuItem(ID_POP_BLUE,MF_UNCHECKED);
	}
	if(m_nColorIndex==2)
	{
		m_pPop->CheckMenuItem(ID_POP_RED,MF_UNCHECKED);
        m_pPop->CheckMenuItem(ID_POP_GREEN,MF_UNCHECKED);
	    m_pPop->CheckMenuItem(ID_POP_BLUE,MF_CHECKED);
	}
    ClientToScreen(&point); //将坐标由客户坐标转化为屏幕坐标
    m_pPop->TrackPopupMenu(TPM_LEFTALIGN,point.x,point.y,this);
						// 显示Pop-up菜单
    CView::OnRButtonDown(nFlags, point);
} 

void CGongchengView ::OnPopColorChange(WORD nID)
{	
	m_nColorIndex = nID-ID_POP_RED;
	Invalidate(); 
}

void CGongchengView ::OnUpdatePopColorChange(CCmdUI * pCmdUI)
{
    pCmdUI->SetRadio(m_nColorIndex==(pCmdUI->m_nID - ID_POP_RED));

}

void CGongchengView::OnOperString() 
{
	// TODO: Add your command handler code here
	CInputDlg dlgInput;	             // 声明对话框变量
    if(dlgInput.DoModal() == IDOK)  // 如果用户点击OK按钮
	{   
		m_strShow = dlgInput.m_strInput;	// 更改字符串
	    Invalidate();	                	// 强制重绘
	}  
}