colorbuttondlg.cpp

C++编程实践与技巧一书各章节的源码

// ColorButtonDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ColorButton.h"
#include "ColorButtonDlg.h"


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif
const COLORREF CLOUDBLUE = RGB(128, 184, 223);
	const COLORREF WHITE = RGB(255, 255, 255);
	const COLORREF BLACK = RGB(1, 1, 1);
	const COLORREF DKGRAY = RGB(128, 128, 128);

/////////////////////////////////////////////////////////////////////////////
// CColorButtonDlg dialog

CColorButtonDlg::CColorButtonDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CColorButtonDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CColorButtonDlg)
		// 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 CColorButtonDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CColorButtonDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CColorButtonDlg, CDialog)
	//{{AFX_MSG_MAP(CColorButtonDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CColorButtonDlg message handlers

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

	// 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
	VERIFY(m_btn1.Attach(IDOK, this, CLOUDBLUE, DKGRAY, WHITE));
    VERIFY(m_btn2.Attach(IDCANCEL, this, DKGRAY, WHITE));

	
	// TODO: Add extra initialization here
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

// 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 CColorButtonDlg::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 CColorButtonDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}