listctrldemodlg.cpp

Visual_C++[1].NET_Bible1 Visual_C++宝典书中的全部源码

// ListCtrlDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ListCtrlDemo.h"
#include "ListCtrlDemoDlg.h"

#include "about.h"

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

/////////////////////////////////////////////////////////////////////////////
// CListCtrlDemoDlg dialog

CListCtrlDemoDlg::CListCtrlDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CListCtrlDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CListCtrlDemoDlg)
		// 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 CListCtrlDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CListCtrlDemoDlg)
	DDX_Control(pDX, IDC_LIST1, m_listCtrl);
	DDX_Control(pDX, IDC_RBTN_VIEW_LARGE_ICON, m_rbtnLargeIcons);
	DDX_Control(pDX, IDC_RBTN_VIEW_SMALL_ICON, m_rbtnSmallIcons);
	DDX_Control(pDX, IDC_RBTN_VIEW_LIST, m_rbtnList);
	DDX_Control(pDX, IDC_RBTN_VIEW_REPORT, m_rbtnReport);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CListCtrlDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CListCtrlDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_BN_CLICKED(ID_APP_ABOUT, OnAbout)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_RBTN_VIEW_LARGE_ICON, OnRbtnViewLargeIcon)
	ON_BN_CLICKED(IDC_RBTN_VIEW_LIST, OnRbtnViewList)
	ON_BN_CLICKED(IDC_RBTN_VIEW_REPORT, OnRbtnViewReport)
	ON_BN_CLICKED(IDC_RBTN_VIEW_SMALL_ICON, OnRbtnViewSmallIcon)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CListCtrlDemoDlg message handlers

BOOL CListCtrlDemoDlg::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
	
	// large icon image list
	m_imageListLargeIcons.Create(IDB_LARGE_IMAGES, 17, 1, RGB(255,255,255));
	m_listCtrl.SetImageList(&m_imageListLargeIcons, LVSIL_NORMAL);

	// small icon image list 
	m_imageListSmallIcons.Create(IDB_SMALL_IMAGES, 17, 1, RGB(255,255,255));
	m_listCtrl.SetImageList(&m_imageListSmallIcons, LVSIL_SMALL);

	static struct
	{
		LPTSTR szColText;
		UINT uiFormat;
	} columns[] = {
		_T("Col 1"), LVCFMT_LEFT,
		_T("Col 2"), LVCFMT_CENTER,
		_T("Col 3"), LVCFMT_RIGHT
	};

	for (int i = 0; i < sizeof columns / sizeof columns [0]; i++)
	{
		m_listCtrl.InsertColumn(i, columns[i].szColText, columns[i].uiFormat);
	}

  m_rbtnReport.SetCheck(TRUE);
	OnRbtnViewReport();


CHeaderCtrl* pHeader = 
 (CHeaderCtrl*)m_listCtrl.GetDlgItem(0);
ASSERT(pHeader);
if (pHeader)
{
 // turn off redraw until the columns have all 
 // been resized
 m_listCtrl.SetRedraw(FALSE);

 // get the nbr of columns
 int iNbrOfColumns = pHeader->GetItemCount();

  int iNbrOfCols = GetColumnCount();
  for (int iCurrCol = 0; 
   iCurrCol < iNbrOfCols; 
   iCurrCol++)
  {
   m_listCtrl.SetColumnWidth(iCurrCol,
    LVSCW_AUTOSIZE);

   int nCurrWidth =
    m_listCtrl.GetColumnWidth(iCurrCol);

   m_listCtrl.SetColumnWidth(iCurrCol,
    LVSCW_AUTOSIZE_USEHEADER);

   int nColHdrWidth =
    m_listCtrl.GetColumnWidth(iCurrCol);

   m_listCtrl.SetColumnWidth(iCurrCol, 
    max(nCurrWidth, nColHdrWidth));
  }

  // now that col sizing is finished,
  // invalidate so that the control is repainted
  m_listCtrl.SetRedraw(TRUE);
  m_listCtrl.Invalidate();
 }

	static struct
	{
		LPTSTR szCol1;
		LPTSTR szCol2;
		LPTSTR szCol3;
	} rows [] = {
		"A1", "A2", "A3",
		"B1", "B2", "B3",
		"C1", "C2", "C3"
	};

	for (int iCurrRow = 0; iCurrRow < sizeof rows / sizeof rows[0]; iCurrRow++)
	{
		m_listCtrl.InsertItem(iCurrRow, rows[iCurrRow].szCol1, 0);
		m_listCtrl.SetItemText(iCurrRow, 1, rows[iCurrRow].szCol2);
		m_listCtrl.SetItemText(iCurrRow, 2, rows[iCurrRow].szCol3);
	}

	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CListCtrlDemoDlg::OnAbout()
{
 CAboutDlg().DoModal();
}

void CListCtrlDemoDlg::AddColumn(CString strColumnName, int nFormat /* LVCFMT_LEFT */, int iColumn /* = -1 */)
{
	CClientDC dc(this);

	if (-1 == iColumn)
	{
		iColumn = GetColumnCount();
	}

	CSize size = dc.GetTextExtent(strColumnName);
	m_listCtrl.InsertColumn(iColumn, strColumnName, nFormat, size.cx, iColumn);
}

void CListCtrlDemoDlg::ResizeColumns() 
{
	m_listCtrl.SetRedraw(FALSE);

	int iNbrOfCols = GetColumnCount();
	for (int iCurrCol = 0; iCurrCol < iNbrOfCols; iCurrCol++)
	{
		m_listCtrl.SetColumnWidth(iCurrCol, LVSCW_AUTOSIZE);
		int nCurrWidth = m_listCtrl.GetColumnWidth(iCurrCol);

		m_listCtrl.SetColumnWidth(iCurrCol, LVSCW_AUTOSIZE_USEHEADER);
		int nColHdrWidth = m_listCtrl.GetColumnWidth(iCurrCol);

		m_listCtrl.SetColumnWidth(iCurrCol, max(nCurrWidth, nColHdrWidth));
	}
	m_listCtrl.SetRedraw(TRUE);
	m_listCtrl.Invalidate();
}

int CListCtrlDemoDlg::GetColumnCount()
{
	int iNbrOfColumns = -1;

	CHeaderCtrl* pHeader = (CHeaderCtrl*)m_listCtrl.GetDlgItem(0);
	ASSERT(pHeader);
	if (pHeader)
	{
		iNbrOfColumns = pHeader->GetItemCount();
	}

	return iNbrOfColumns;
}

void CListCtrlDemoDlg::OnRbtnViewLargeIcon() 
{
	m_listCtrl.SetView(LVS_ICON);	
}

void CListCtrlDemoDlg::OnRbtnViewList() 
{
	m_listCtrl.SetView(LVS_LIST);	
}

void CListCtrlDemoDlg::OnRbtnViewReport() 
{
	m_listCtrl.SetView(LVS_REPORT);	
}

void CListCtrlDemoDlg::OnRbtnViewSmallIcon() 
{
	m_listCtrl.SetView(LVS_SMALLICON);	
}