ctrltestdlg.cpp

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// CtrlTestDlg.cpp : implementation file
//

#include "stdafx.h"
#include "CtrlTest.h"
#include "CtrlTestDlg.h"

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

#define MAX_HISTORY 5
/////////////////////////////////////////////////////////////////////////////
// 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()

/////////////////////////////////////////////////////////////////////////////
// CCtrlTestDlg dialog

CCtrlTestDlg::CCtrlTestDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CCtrlTestDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CCtrlTestDlg)
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CCtrlTestDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CCtrlTestDlg)
	DDX_Control(pDX, IDC_MULTIEDIT, m_MultiEdit);
	DDX_Control(pDX, IDC_COMBOBOX, m_ComboBox);
	DDX_Control(pDX, IDC_SCROLLBAR, m_ScrollBar);
	DDX_Control(pDX, IDC_INDICATOR, m_Indicator);
	DDX_Control(pDX, IDC_LISTBOX, m_ListBox);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CCtrlTestDlg, CDialog)
	//{{AFX_MSG_MAP(CCtrlTestDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	ON_BN_CLICKED(IDC_CLEAR, OnClear)
	ON_CBN_SELCHANGE(IDC_COMBOBOX, OnSelchangeCombobox)
	ON_WM_HSCROLL()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CCtrlTestDlg message handlers

BOOL CCtrlTestDlg::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

	m_ScrollBar.SetScrollRange(0,50);
	m_Indicator.SetWindowText("0");
	m_ComboBox.SetFocus(); //使组合框获得输入焦点

	return FALSE;  // 返回FALSE以表明为某一控件设置了输入焦点
}

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

void CCtrlTestDlg::OnCancel() 
{
	// TODO: Add extra cleanup here
	
	CDialog::OnCancel();
}

void CCtrlTestDlg::OnOK() 
{
	// TODO: Add extra validation here
	int i;
	CString str;
	m_ComboBox.GetWindowText(str);
	m_ListBox.AddString(str);
	i=m_ComboBox.FindString(-1,str);
	if(i>=0)
	{
		m_ComboBox.DeleteString(i);
		m_ComboBox.InsertString(0,str); //将匹配项移到0位置
	}
	else
	{
		m_ComboBox.InsertString(0,str);
		if(m_ComboBox.GetCount()>MAX_HISTORY)
		m_ComboBox.DeleteString(m_ComboBox.GetCount()-1); //删除旧的项
	}

}

void CCtrlTestDlg::OnDelete() 
{
	// TODO: Add your control notification handler code here
	int i,count;
	int *pBuffer;
	count=m_ListBox.GetSelCount();
	if(count<=0)return;
	pBuffer=new int[count];
	m_ListBox.GetSelItems(count,pBuffer);
	for(i=count-1;i>=0;i--) //倒序删除选择项
		m_ListBox.DeleteString(pBuffer[i]);
	delete pBuffer;

}

void CCtrlTestDlg::OnClear() 
{
	// TODO: Add your control notification handler code here
	m_MultiEdit.SetSel(0,-1);
	m_MultiEdit.ReplaceSel("");

}

void CCtrlTestDlg::OnSelchangeCombobox() 
{
	// TODO: Add your control notification handler code here
	int length=m_MultiEdit.GetWindowTextLength();
	CString str;
	m_MultiEdit.SetSel(-1,0);
	m_MultiEdit.SetSel(length,length); //移动插入符到编辑正文的末尾
	m_ComboBox.GetLBText(m_ComboBox.GetCurSel(),str);
	str+=" selected\r\n";
	m_MultiEdit.ReplaceSel(str);

}

void CCtrlTestDlg::OnHScroll(UINT nSBCode, UINT nPos, CScrollBar* pScrollBar) 
{
	// TODO: Add your message handler code here and/or call default
	int nScrollMin,nScrollMax,nScrollPos;
	int nPageSize;
	CString str;
	if(&m_ScrollBar!=pScrollBar)return;
	nScrollPos=m_ScrollBar.GetScrollPos();
	m_ScrollBar.GetScrollRange(&nScrollMin,&nScrollMax);
	nPageSize=(nScrollMax-nScrollMin)/10; //指定页长
	switch(nSBCode)
	{
		case SB_LEFT:
		nScrollPos=nScrollMin;
		break;
		case SB_RIGHT:
		nScrollPos=nScrollMax;
		break;
		case SB_LINELEFT:
		nScrollPos-=1;
		break;
		case SB_LINERIGHT:
		nScrollPos+=1;
		break;
		case SB_PAGELEFT:
		nScrollPos-=nPageSize;
		break;
		case SB_PAGERIGHT:
		nScrollPos+=nPageSize;
		break;
		case SB_THUMBPOSITION:
		nScrollPos=nPos; //由参数nPos获取滚动框的位置
		break;
		case SB_THUMBTRACK:
		nScrollPos=nPos; //由参数nPos获取滚动框的位置
		break;
		default:;
	}
	if(nScrollPos<nScrollMin)nScrollPos=nScrollMin;
	if(nScrollPos>nScrollMax)nScrollPos=nScrollMax;
	if(nScrollPos!=m_ScrollBar.GetScrollPos())
	m_ScrollBar.SetScrollPos(nScrollPos); //设置滚动框的新位置
	str.Format("%d",nScrollPos);
	m_Indicator.SetWindowText(str); //更新静态正文

	CDialog::OnHScroll(nSBCode, nPos, pScrollBar);
}