touchview.cpp

有关win32应用程序编程和wince应用程序编程的很全面

// touchView.cpp : implementation of the CTouchView class
//

#include "stdafx.h"
#include "touch.h"

#include "touchDoc.h"
#include "touchView.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTouchView

IMPLEMENT_DYNCREATE(CTouchView, CView)

BEGIN_MESSAGE_MAP(CTouchView, CView)
	//{{AFX_MSG_MAP(CTouchView)
	ON_WM_LBUTTONDOWN()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTouchView construction/destruction

CTouchView::CTouchView()
{
	// TODO: add construction code here

}

CTouchView::~CTouchView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CTouchView drawing

void CTouchView::OnDraw(CDC* pDC)
{
	CTouchDoc* pDoc = GetDocument();
	ASSERT_VALID(pDoc);

	// TODO: add draw code for native data here
}

/////////////////////////////////////////////////////////////////////////////
// CTouchView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CTouchView message handlers

void CTouchView::DrawCross()
{
	CClientDC dc(this);
	dc.MoveTo(m_rect.left+15,m_rect.top);
	dc.LineTo(m_rect.left+15,m_rect.bottom);
	dc.MoveTo(m_rect.left,m_rect.top+15);
	dc.LineTo(m_rect.right,m_rect.top+15);
}

void CTouchView::OnPrepareDC(CDC* pDC, CPrintInfo* pInfo) 
{
	// TODO: Add your specialized code here and/or call the base class
	CRect r;
	GetClientRect(&r);
	CPoint point(r.Width()/2,r.Height()/2);
	m_rect = CRect(point.x-15,point.y-15,point.x+15,point.y+15);
	DrawCross();

	CView::OnPrepareDC(pDC, pInfo);
}

void CTouchView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	// TODO: Add your message handler code here and/or call default
	CClientDC dc(this);
	int i=0;
	CRect r;
	GetClientRect(&r);
	if(m_rect.PtInRect(point))
	{
		while(m_rect.top>0)
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.top-=5;
			m_rect.bottom-=5;
			for(i=0;i<400000;i++);
			DrawCross();
		}
		while(m_rect.left>0)
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.left-=5;
			m_rect.right-=5;			
			for(i=0;i<400000;i++);
			DrawCross();
		}
		while(m_rect.bottom<r.Height())
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.top+=5;
			m_rect.bottom+=5;
			for(i=0;i<400000;i++);
			DrawCross();
		}
		while(m_rect.right<r.Width())
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.left+=5;
			m_rect.right+=5;
			for(i=0;i<400000;i++);
			DrawCross();
		}
		while(m_rect.top>0)
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.top-=5;
			m_rect.bottom-=5;
			for(i=0;i<400000;i++);
			DrawCross();
		}
		while(m_rect.left>r.Width()/2-15)
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.left-=5;
			m_rect.right-=5;
			for(i=0;i<400000;i++);
			DrawCross();
		}
		while(m_rect.bottom<r.Height()/2+15)
		{
			dc.FillSolidRect(&m_rect,RGB(255,255,255));
			m_rect.top+=5;
			m_rect.bottom+=5;
			for(i=0;i<400000;i++);
			DrawCross();
		}
		MessageBox(_T("Touch Screen Test OK"));
	}

	CView::OnLButtonDown(nFlags, point);
}