// MenuDemoView.cpp : implementation of the CMenuDemoView class
//

#include "stdafx.h"
#include "MenuDemo.h"

#include "MenuDemoDoc.h"
#include "MenuDemoView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView

IMPLEMENT_DYNCREATE(CMenuDemoView, CView)

BEGIN_MESSAGE_MAP(CMenuDemoView, CView)
	//{{AFX_MSG_MAP(CMenuDemoView)
	ON_COMMAND(ID_MENURUN, OnMenurun)
	ON_UPDATE_COMMAND_UI(ID_MENURUN, OnUpdateMenurun)
	ON_COMMAND(ID_MENUPOUSE, OnMenupouse)
	ON_UPDATE_COMMAND_UI(ID_MENUPOUSE, OnUpdateMenupouse)
	ON_COMMAND(IDS_ID_MENUSTOP, OnMenustop)//"停止程序"菜單項(xiàng)消息映射宏
	ON_WM_RBUTTONDOWN()
	//}}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)
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView construction/destruction

CMenuDemoView::CMenuDemoView()
{
	// TODO: add construction code here
	IsRun=false;
	IsPause=false;
	Isinit=true;
	Newstart=true;
	m_CheckBitmap.LoadBitmap(IDB_STAR);
}

CMenuDemoView::~CMenuDemoView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView drawing

void CMenuDemoView::OnDraw(CDC* pDC)
{
	CMenuDemoDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);
	// TODO: add draw code for native data here

   // Associate bitmaps with the "Test" menu item. 
		CWnd *pWnd=AfxGetApp( )->GetMainWnd( );			//獲得窗口指針
	CMenu * pMenu=pWnd->GetMenu( );					//獲得menu指針
   
   CMenu* submenu = pMenu->GetSubMenu(5);
   ASSERT(submenu->SetMenuItemBitmaps(ID_MENURUN, MF_BYCOMMAND, 
      &m_CheckBitmap, &m_CheckBitmap));
}

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CMenuDemoView message handlers

void CMenuDemoView::OnMenurun() 
{
	// TODO: Add your command handler code here
	IsPause=false;
	IsRun=true;
	CClientDC dc(this);									//獲得DC
	dc.TextOut(30,40,"運(yùn)行菜單項(xiàng)響應(yīng)，程序正在運(yùn)行中!");//輸出文本
	if(Newstart)
	{
		CWnd *pWnd=AfxGetApp( )->GetMainWnd( );			//獲得窗口指針
		CMenu * pMenu=pWnd->GetMenu( );					//獲得menu指針
		pMenu=pMenu->GetSubMenu(5);						//獲得菜單項(xiàng)("操作"項(xiàng))
		pMenu->AppendMenu(MF_SEPARATOR);				//增加分隔符
		//增加菜單項(xiàng)"停止程序(&S)"
		pMenu->AppendMenu(MF_STRING,IDS_ID_MENUSTOP,"停止程序(&S)"); 
		Newstart=false;									//改變條件變量
	}
}

void CMenuDemoView::OnUpdateMenurun(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if(IsRun)
	{
		pCmdUI->SetText("運(yùn)行中");//更改菜單項(xiàng)標(biāo)題
		pCmdUI->Enable(false);//菜單項(xiàng)無(wú)效
		pCmdUI->SetCheck(false);//菜單項(xiàng)標(biāo)記取消
	}
	else
	{
		pCmdUI->SetText("運(yùn)行");//恢復(fù)菜單項(xiàng)標(biāo)題
		pCmdUI->Enable(true);//菜單項(xiàng)生效
		pCmdUI->SetCheck(true);//菜單項(xiàng)標(biāo)記恢復(fù)

	}
	
}

void CMenuDemoView::OnMenupouse() 
{
	// TODO: Add your command handler code here
	IsPause=true;
	IsRun=false;
	CClientDC dc(this);									//獲得DC
	dc.TextOut(30,40,"暫停菜單項(xiàng)響應(yīng)，程序正在暫停中!");//輸出文本

}

void CMenuDemoView::OnUpdateMenupouse(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	if(Isinit)//程序第一次啟動(dòng)
	{
		pCmdUI->Enable(false);//暫停菜單項(xiàng)無(wú)效
		Isinit=false;
	}
	else
	{
		if(IsPause)//暫停菜單項(xiàng)執(zhí)行
		{
			pCmdUI->SetText("暫停中");//更改菜單項(xiàng)標(biāo)題
			pCmdUI->Enable(false);//菜單項(xiàng)無(wú)效
			pCmdUI->SetCheck(false);//菜單項(xiàng)標(biāo)記取消
		}
		else
		{
			pCmdUI->SetText("暫停");//恢復(fù)菜單項(xiàng)標(biāo)題
			pCmdUI->Enable(true);//菜單項(xiàng)生效
			pCmdUI->SetCheck(true);//菜單項(xiàng)標(biāo)記恢復(fù)
		}
	}
	
}
void CMenuDemoView::OnMenustop() //"停止程序"菜單項(xiàng)消息映射函數(shù)
{
	// TODO: Add your command handler code here
	IsPause=true;
	IsRun=false;
	CClientDC dc(this);	//獲得DC
	dc.TextOut(30,40,"停止菜單項(xiàng)響應(yīng)，程序已經(jīng)被停止!");//輸出文本

	CWnd *pWnd=AfxGetApp( )->GetMainWnd( );			//獲得窗口指針
	CMenu * pMenu=pWnd->GetMenu( );					//獲得menu指針
	CMenu* submenu = pMenu->GetSubMenu(5);//獲取“命令”菜單項(xiàng)
	submenu->RemoveMenu(3, MF_BYPOSITION);//將“停止程序”菜單項(xiàng)刪除
	submenu->RemoveMenu(2, MF_BYPOSITION);//將分隔符刪除
	Newstart=true;									//改變條件變量
}


void CMenuDemoView::OnRButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CWnd *pWnd=AfxGetApp( )->GetMainWnd( );			//獲得窗口指針
	CMenu * pMenu=pWnd->GetMenu( );					//獲得menu指針
	CMenu* submenu = pMenu->GetSubMenu(5);//獲取“命令”菜單項(xiàng)
	CPoint pt;
	GetCursorPos(&pt);//獲得鼠標(biāo)位置
	submenu->TrackPopupMenu(TPM_LEFTALIGN,pt.x,pt.y,this);		//彈出浮動(dòng)菜單	
	CView::OnRButtonDown(nFlags, point);
}