timerview.cpp

一个控制字符移动的MFC程序

// TimerView.cpp : implementation of the CTimerView clasa
//

#include "stdafx.h"
#include "Timer.h"
#include<stdlib.h>

#include "TimerDoc.h"
#include "TimerView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTimerView

IMPLEMENT_DYNCREATE(CTimerView, CView)

BEGIN_MESSAGE_MAP(CTimerView, CView)
	//{{AFX_MSG_MAP(CTimerView)
	ON_COMMAND(ID_MOVE, OnMove)
	ON_COMMAND(ID_BEGIN, OnBegin)
	ON_COMMAND(ID_QUIT, OnQuit)
	ON_COMMAND(ID_STOP, OnStop)
	ON_COMMAND(ID_FONT, OnFont)
	ON_WM_TIMER()
	ON_WM_RBUTTONDOWN()
	ON_UPDATE_COMMAND_UI(ID_FONT, OnUpdateFont)
	ON_UPDATE_COMMAND_UI(ID_MOVE, OnUpdateMove)
	ON_UPDATE_COMMAND_UI(ID_BEGIN, OnUpdateBegin)
	ON_UPDATE_COMMAND_UI(ID_QUIT, OnUpdateQuit)
	ON_UPDATE_COMMAND_UI(ID_STOP, OnUpdateStop)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CTimerView construction/destruction

CTimerView::CTimerView()
{
	// TODO: add construction code here
	x=0;
	y=0;
	n=0;
	red=0;
	green=0;
	blue=0;
	height=0;
	width=0;
	desW=1024; 
	desH=531;
	w=200;
	h=200;
	distance=1;
	speed=20;
	h2=0;
	w2=0;
	flag=false;
	m_nType=0;
	s="hello";

}

CTimerView::~CTimerView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTimerView drawing

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

	CFont myfont, *oldfont;
	LOGFONT font;
	memset(&font,0,sizeof(LOGFONT));
	int m,w1,h1;
	 
	m=n;
	w1=w;
	h1=h;
	RECT re;	
	GetClientRect(&re);

	desW=re.right-re.left;
	desH=re.bottom-re.top;

	font.lfHeight=height;
	font.lfWidth=width;
	myfont.CreateFontIndirect(&font);
	oldfont=pDC->SelectObject(&myfont);

	TEXTMETRIC tm;
	pDC->GetTextMetrics(&tm);
	h2=tm.tmHeight;
	w2=tm.tmAveCharWidth;


	pDC->SetTextColor(RGB(red,green,blue));		
	pDC->TextOut(x,y,s);
	x=x+distance;

	if(flag)
	{
		x=0;
		flag=false;
	}
	
	if(w1-x-m*w2<distance)       //当字符长度，移动距离及x坐标之和大于边界宽时，故字符最右端不一定能接触到边界
	{
		y=rand()%h1;
		if(y+h2>h1)
			y=h1-h2;
		x=0;		
	}
}

/////////////////////////////////////////////////////////////////////////////
// CTimerView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTimerView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTimerView message handlers

void CTimerView::OnMove() 
{
	// TODO: Add your command handler code here

	CSportDlg pDialog2;
	pDialog2.m_w=w;
	pDialog2.m_h=h;
	pDialog2.m_distance=distance;
	pDialog2.m_speed=speed;
	if(pDialog2.DoModal()==IDOK)
	{
		w=pDialog2.m_w;
		h=pDialog2.m_h;	

		if(w>desW&&h>desH)
		{
			AfxMessageBox("对不起，你所输入的运动区域水平宽度和垂直高度均超出了原有的边界，请重输！程序已自动恢复边界值！");
			w=desW;
			h=desH;
		}
		if(w<100&&h<100)
		{
			AfxMessageBox("对不起，你所输入的运动区域水平宽度和垂直高度可能太小，某些时候会引起不必要的错误！请重输！程序已自动恢复最小值！");
			w=100;
			h=100;
		}

		if(w<100&&w>0)
		{
			AfxMessageBox("对不起，你所输入的运动区域水平宽度可能太小，某些时候会引起不必要的错误！请重输！程序已自动恢复最小值！");
			w=100;
		}
		if(w>desW)
		{
			AfxMessageBox("对不起，你所输入的运动区域水平宽度超出了原有的边界，请重输！程序已自动恢复边界值！");
			w=desW;
		}

		if(h<100&&h>0)
		{
			AfxMessageBox("对不起，你所输入的运动区域垂直高度可能太小，某些时候会引起不必要的错误！请重输！程序已自动恢复最小值！");
			h=100;
		}
		if(h>desH)
		{
			AfxMessageBox("对不起，你所输入的运动区域垂直高度超出了原有的边界，请重输！程序已自动恢复边界值！");
			h=desH;
		}
		if(h<0)
		{
			AfxMessageBox("对不起，你所输入的运动区域垂直高度数值不符合要求！请重输！程序已自动恢复最小值！");
			h=100;
		}		
		if(w<0)
		{
			AfxMessageBox("对不起，你所输入的运动区域水平宽度数值不符合要求！请重输！程序已自动恢复最小值！");
			w=100;
		}
		distance=pDialog2.m_distance;
		speed=pDialog2.m_speed;
	}	
	m_nType=2;

}

void CTimerView::OnBegin() 
{
	// TODO: Add your command handler code here	
	SetTimer(1,speed,NULL);
	m_nType=3;
	Invalidate();
}

void CTimerView::OnQuit() 
{
	// TODO: Add your command handler code here
	KillTimer(1);
	m_nType=4;
	Invalidate();
}

void CTimerView::OnStop() 
{
	// TODO: Add your command handler code here
	KillTimer(1);
	x=0;
	y=0;
	flag=true;
	m_nType=5;
	Invalidate();	
}

void CTimerView::OnFont() 
{
	// TODO: Add your command handler code here
	CInputDlg pDialog1;	
	pDialog1.m_word=s;
	pDialog1.m_red=red;
	pDialog1.m_green=green;
	pDialog1.m_blue=blue;
	pDialog1.m_height=height;
	pDialog1.m_width=width;
	if(pDialog1.DoModal()==IDOK)	
	{
		s=pDialog1.m_word;
		red=pDialog1.m_red;
		green=pDialog1.m_green;
		blue=pDialog1.m_blue;
		height=pDialog1.m_height;
		width=pDialog1.m_width;
		n=s.GetLength();
		
		Invalidate(); 
	}
		m_nType=1;
}

void CTimerView::OnTimer(UINT nIDEvent) 
{
	// TODO: Add your message handler code here and/or call default
	Invalidate();
	
	CView::OnTimer(nIDEvent);
}



void CTimerView::OnRButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CMenu menu;										//定义菜单
	menu.LoadMenu(IDR_POPUPMENU);					//载入浮动菜单资源
	CMenu* pM=menu.GetSubMenu(0);						//菜单的第一项作为浮动菜单
	CPoint pt;
	GetCursorPos(&pt);											//获得鼠标位置
	pM->TrackPopupMenu(TPM_LEFTALIGN,pt.x,pt.y,this);			//弹出浮动菜单	
	CView::OnRButtonDown(nFlags, point);
	
	
	CView::OnRButtonDown(nFlags, point);
}

void CTimerView::OnUpdateFont(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nType==1);
	
}

void CTimerView::OnUpdateMove(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nType==2);
	
}

void CTimerView::OnUpdateBegin(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nType==3);
	
}

void CTimerView::OnUpdateQuit(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nType==4);
	
}

void CTimerView::OnUpdateStop(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->SetCheck(m_nType==5);
	
}