ex14dlg.cpp

来自「一些VC++的经典实例」· C++ 代码 · 共 271 行

// ex14Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "ex14.h"
#include "ex14Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CEx14Dlg dialog

CEx14Dlg::CEx14Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEx14Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEx14Dlg)
	m_str = _T("");
	m_str="测试一下CEdit控件的功能";
	m_tag=FALSE;
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CEx14Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEx14Dlg)
	DDX_Control(pDX, IDC_COMBO1, m_ComboBox);
	DDX_Control(pDX, IDC_PIC, m_icon);
	DDX_Text(pDX, IDC_EDIT1, m_str);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEx14Dlg, CDialog)
	//{{AFX_MSG_MAP(CEx14Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_PIC, OnPic)
	ON_BN_CLICKED(IDC_RADIO1, OnRadio1)
	ON_BN_CLICKED(IDC_RADIO2, OnRadio2)
	ON_BN_CLICKED(IDC_RADIO3, OnRadio3)
	ON_CBN_CLOSEUP(IDC_COMBO1, OnCloseupCombo1)
	ON_BN_CLICKED(ID_START, OnStart)
	ON_WM_TIMER()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CEx14Dlg message handlers

BOOL CEx14Dlg::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
	GetDlgItem(IDC_EDIT1)->EnableWindow(FALSE);
	UpdateData(FALSE);
	m_ComboBox.AddString("九寨沟");
	m_ComboBox.AddString("青城山");
	m_ComboBox.AddString("日月潭");
	m_ComboBox.AddString("颐和园");
	m_ComboBox.SetCurSel(1);
	CProgressCtrl * pProgress=(CProgressCtrl *)GetDlgItem(IDC_PROGRESS1);
	pProgress->SetRange(0,100);
	pProgress->SetPos(0);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEx14Dlg::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 CEx14Dlg::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 CEx14Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

/*void CEx14Dlg::OnOK() 
{
	// TODO: Add extra validation here
	
	//CDialog::OnOK();
	UpdateData(TRUE);
	AfxMessageBox("现在确定键不能退出对话框!");
}*/

void CEx14Dlg::OnPic() 
{
	// TODO: Add your control notification handler code here
	if(m_tag==FALSE)
	{
		m_icon.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON2));
		m_tag=TRUE;
	}
	else
	{
		m_icon.SetIcon(AfxGetApp()->LoadIcon(IDI_ICON1));
		m_tag=FALSE;
	}
}

void CEx14Dlg::OnRadio1() 
{
	// TODO: Add your control notification handler code here
	GetDlgItem(IDC_EDIT1)->EnableWindow(TRUE);
	GetDlgItem(IDC_EDIT1)->ShowWindow(SW_SHOW);

	UpdateData(FALSE);
}

void CEx14Dlg::OnRadio2() 
{
	// TODO: Add your control notification handler code here
	GetDlgItem(IDC_EDIT1)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDIT1)->ShowWindow(SW_SHOW);
	
	UpdateData(FALSE);	
}

void CEx14Dlg::OnRadio3() 
{
	// TODO: Add your control notification handler code here
	GetDlgItem(IDC_EDIT1)->EnableWindow(FALSE);
	GetDlgItem(IDC_EDIT1)->ShowWindow(SW_HIDE);
	
	UpdateData(FALSE);	
}

void CEx14Dlg::OnCloseupCombo1() 
{
	// TODO: Add your control notification handler code here
	m_str.Empty();
	m_str="运行关闭下拉菜单函数";
	OnRadio1();
	UpdateData(FALSE);
}

void CEx14Dlg::OnStart() 
{
	// TODO: Add your control notification handler code here
	m_timer=SetTimer(1,100,NULL);
}

void CEx14Dlg::OnTimer(UINT nIDEvent)
{
	// TODO: Add your control notification handler code here
    CProgressCtrl * pProgress=(CProgressCtrl *)GetDlgItem(IDC_PROGRESS1);
	pProgress->SetPos(++m_Progress);
	
	if(m_Progress%5==0)
		OnPic();
	if(m_Progress>=100)
		KillTimer(m_timer);
}