exam1_1_13dlg.cpp

深入剖析Visual C++编程技术及应用实例

// Exam1_1_13Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "Exam1_1_13.h"
#include "Exam1_1_13Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CExam1_1_13Dlg dialog

#define NUM_COLUMNS 2

static _TCHAR *_gszColumnLabel[NUM_COLUMNS] =
{
	_T("用户名"),_T("Email地址")
};

static int _gnColumnFmt[NUM_COLUMNS] =
{
	LVCFMT_LEFT, LVCFMT_LEFT
};

static int _gnColumnWidth[NUM_COLUMNS] =
{
	70,100
};

#define USERS 3
static CString _szUserList[USERS] = 
{
	"adam",
	"herbert",
	"aban"
};

static CString _szEmailList[USERS] = 
{
	"[e-mail]",
	"[e-mail]",
	"[e-mail]"
};

CExam1_1_13Dlg::CExam1_1_13Dlg(CWnd* pParent /*=NULL*/)
	: CDialog(CExam1_1_13Dlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CExam1_1_13Dlg)
		// 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 CExam1_1_13Dlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CExam1_1_13Dlg)
	DDX_Control(pDX, IDC_LISTUSERS, m_listUsers);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CExam1_1_13Dlg, CDialog)
	//{{AFX_MSG_MAP(CExam1_1_13Dlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_AUTOSIZE, OnAutosize)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CExam1_1_13Dlg message handlers

BOOL CExam1_1_13Dlg::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
	int				i;
	LV_COLUMN		lvc;
	LV_ITEM			lvi;

	m_imagelist.Create(IDB_BITMAPUSERS,16,0,RGB(255,255,255));
	ASSERT(m_listUsers.GetImageList(LVSIL_SMALL   ) == NULL);
	m_listUsers.SetImageList(&m_imagelist, LVSIL_SMALL);
	ASSERT(m_listUsers.GetImageList(LVSIL_SMALL   ) == &m_imagelist);
	
	lvc.mask = LVCF_FMT | LVCF_WIDTH | LVCF_TEXT | LVCF_SUBITEM;
	for(i = 0; i<NUM_COLUMNS; i++)
	{
		lvc.iSubItem = i;
		lvc.pszText = _gszColumnLabel[i];
		lvc.cx = _gnColumnWidth[i];
		lvc.fmt = _gnColumnFmt[i];
		m_listUsers.InsertColumn(i,&lvc);
	}
	
	m_uCount = 0;
	for(i =0; i<USERS; i++)
	{
		lvi.mask = LVIF_TEXT | LVIF_IMAGE | LVIF_STATE;
		lvi.iItem = m_uCount;
		lvi.iSubItem = 0;
		lvi.pszText = (char *)(LPCTSTR)_szUserList[i];
		lvi.iImage = 0;
		lvi.stateMask = LVIS_STATEIMAGEMASK;
		lvi.state = INDEXTOSTATEIMAGEMASK(1);
		m_listUsers.InsertItem(&lvi);
		m_listUsers.SetItemText(m_uCount,1,(char *)(LPCTSTR)_szEmailList[i]);
		m_uCount++;
	}
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CExam1_1_13Dlg::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 CExam1_1_13Dlg::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 CExam1_1_13Dlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CExam1_1_13Dlg::OnAutosize() 
{
	int maxwidth = m_listUsers.GetColumnWidth(1);
	CRect rect;
	CString str;

	for(int i=0; i<m_listUsers.GetItemCount(); i++)
	{
		int w;
		str = m_listUsers.GetItemText(i, 1);
		w = m_listUsers.GetStringWidth(str);
		if(maxwidth < w)
			maxwidth = w;
	}
	m_listUsers.SetColumnWidth(1, maxwidth+maxwidth/3);
	Invalidate();
}