ex050205dlg.cpp

来自「深入浅出Visual C++入门进阶与应用实例 随书光盘 作者 何志丹」· C++ 代码 · 共 233 行

// Ex050205Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Ex050205.h"
#include "Ex050205Dlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx050205Dlg dialog

CEx050205Dlg::CEx050205Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEx050205Dlg::IDD, pParent)
{
	m_bkBrush.CreateSolidBrush(RGB(0,0,255));
	//{{AFX_DATA_INIT(CEx050205Dlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEx050205Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEx050205Dlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEx050205Dlg, CDialog)
	//{{AFX_MSG_MAP(CEx050205Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CTLCOLOR()
	ON_WM_ERASEBKGND()
	ON_WM_NCPAINT()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx050205Dlg message handlers

BOOL CEx050205Dlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEx050205Dlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CEx050205Dlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CEx050205Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

HBRUSH CEx050205Dlg::OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor) 
{
	HBRUSH hbr = CDialog::OnCtlColor(pDC, pWnd, nCtlColor);
	
	if(CTLCOLOR_DLG == nCtlColor)
	{
		return NULL ;
	}
	else if(CTLCOLOR_EDIT == nCtlColor)
	{//根据控件类型设置颜色
		pDC->SetTextColor(RGB(255,0,0));
		pDC->SetBkColor(RGB(0,255,0));		
		return (HBRUSH)m_bkBrush ;
	}
	
	if(IDC_GROUP == pWnd->GetDlgCtrlID())
	{
		CString strText ;
		pWnd->GetWindowText(strText);
		pDC->SetTextColor(RGB(0,255,0));
	}
	
	return hbr;
}

BOOL CEx050205Dlg::OnEraseBkgnd(CDC* pDC) 
{//设置对话框的背景色
	CRect r ;
	GetClientRect(&r);
	CBrush brush(RGB(188,197,230));
	
	pDC->FillRect(r,&brush);
	return true;
}

void CEx050205Dlg::OnNcPaint() 
{
	//取得窗口的大小
	CDC *pDC = GetWindowDC();
	CRect rWindow;
	GetWindowRect(rWindow);
	rWindow -= CSize(rWindow.left,rWindow.top);
	
	//绘第一层
	pDC->FillRect(rWindow,&CBrush(RGB(0,255,0)));
	
	//绘第二层
	rWindow.DeflateRect(1,1);
	pDC->FillRect(rWindow,&CBrush(RGB(0,0,255)));
	
	//输出标题
	CString szTitle;
	GetWindowText(szTitle);
	pDC->SetBkMode(TRANSPARENT);
	pDC->TextOut(GetSystemMetrics(SM_CXFRAME),GetSystemMetrics(SM_CYFRAME),szTitle);
	
	ReleaseDC(pDC);
}