wndcontrolview.cpp

MFC下对窗口属性的操作控制的例子

// WndControlView.cpp : implementation of the CWndControlView class
//

#include "stdafx.h"
#include "WndControl.h"

#include "WndControlDoc.h"
#include "WndControlView.h"
#include "HotSnapDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CWndControlView

IMPLEMENT_DYNCREATE(CWndControlView, CView)

BEGIN_MESSAGE_MAP(CWndControlView, CView)
	//{{AFX_MSG_MAP(CWndControlView)
	ON_COMMAND(ID_WNDCONTROL_ICON, OnWndcontrolIcon)
	ON_COMMAND(ID_WNDCONTROL_CAPTION, OnWndcontrolCaption)
	ON_WM_ERASEBKGND()
	ON_COMMAND(ID_WNDCONTROL_BKCLR, OnWndcontrolBkclr)
	ON_COMMAND(ID_WNDCONTROL_TOP, OnWndcontrolTop)
	ON_COMMAND(ID_WNDCONTROL_MOVE, OnWndcontrolMove)
	ON_WM_LBUTTONDOWN()
	ON_COMMAND(ID_WNDCONTROL_CHILDICON, OnWndcontrolChildicon)
	ON_UPDATE_COMMAND_UI(ID_WNDCONTROL_TOP, OnUpdateWndcontrolTop)
	ON_COMMAND(ID_WNDCONTROL_HOTSNAP, OnWndcontrolHotsnap)
	//}}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()

/////////////////////////////////////////////////////////////////////////////
// CWndControlView construction/destruction

CWndControlView::CWndControlView()
{
	m_rgbBack = RGB(128 , 0 , 128);
	m_bMoveOnView = FALSE;
	m_bTopMost = FALSE;
}

CWndControlView::~CWndControlView()
{
}

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

	return CView::PreCreateWindow(cs);
}

/////////////////////////////////////////////////////////////////////////////
// CWndControlView drawing

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

/////////////////////////////////////////////////////////////////////////////
// CWndControlView printing

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CWndControlView diagnostics

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

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

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

/////////////////////////////////////////////////////////////////////////////
// CWndControlView message handlers

void CWndControlView::OnWndcontrolIcon() 
{
	HICON hIcon=AfxGetApp() ->LoadIcon(IDI_ICON);
	ASSERT(hIcon);
	AfxGetMainWnd() ->SendMessage(WM_SETICON ,TRUE,(LPARAM)hIcon);	
}

void CWndControlView::OnWndcontrolCaption() 
{
	AfxGetMainWnd()->SetWindowText("新的标题");
	GetParent()->SetWindowText("新的标题");
}

BOOL CWndControlView::OnEraseBkgnd(CDC* pDC) 
{
	// 创建一个新的刷子
	CBrush Brush (m_rgbBack);
	// 把刷子选入设备环境
	CBrush* pOldBrush = pDC->SelectObject (&Brush);
	// 获得需要檫除背景的区域
	CRect reClip;
	pDC->GetClipBox(&reClip);
	//重绘该区域
	pDC->PatBlt(reClip.left , reClip.top , reClip.Width () , reClip.Height() , PATCOPY);
	//释放刷子
	pDC->SelectObject (pOldBrush);
	return TRUE;
}

void CWndControlView::OnWndcontrolBkclr() 
{
     m_rgbBack = RGB(0,255,0);
	 
	 Invalidate();
}

void CWndControlView::OnWndcontrolTop() 
{     
	if (!m_bTopMost)
	{
		AfxGetMainWnd()->SetWindowPos(&CWnd::wndTopMost,0,0,0,0, SWP_NOMOVE | SWP_NOSIZE);
		m_bTopMost = TRUE;
	}
	else
	{
		AfxGetMainWnd()->SetWindowPos(&wndNoTopMost,0,0,0,0,SWP_NOMOVE | SWP_NOSIZE);
		m_bTopMost = FALSE;
	}	
}

void CWndControlView::OnWndcontrolMove() 
{
	if (!m_bMoveOnView)
		m_bMoveOnView = TRUE;
	else
		m_bMoveOnView = FALSE;
}

void CWndControlView::OnLButtonDown(UINT nFlags, CPoint point) 
{
	if (m_bMoveOnView)
	{
		GetParentFrame()->PostMessage(WM_NCLBUTTONDOWN,HTCAPTION,MAKELPARAM (point.x,point.y));
	}
	else
		CView::OnLButtonDown(nFlags, point);
}

void CWndControlView::OnWndcontrolChildicon() 
{
	HICON hIcon = AfxGetApp()->LoadIcon(IDI_CHILD);
	ASSERT(hIcon);
	GetParent()->SendMessage(WM_SETICON,TRUE,(LPARAM)hIcon);
}



void CWndControlView::OnUpdateWndcontrolTop(CCmdUI* pCmdUI) 
{
	pCmdUI->SetCheck(m_bTopMost);	
}



void CWndControlView::OnWndcontrolHotsnap() 
{
	CHotSnapDlg dlg;
	dlg.DoModal();
}