clipboarddlg.cpp

剪贴板查看程序,系统开发的良好工具

// ClipboardDlg.cpp : implementation file
//

#include "stdafx.h"
#include "Clipboard.h"
#include "ClipboardDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CClipboardDlg dialog

CClipboardDlg::CClipboardDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CClipboardDlg::IDD, pParent)
{   hNext = NULL;
    hClipboardData = NULL;
	//{{AFX_DATA_INIT(CClipboardDlg)
	m_strContent = _T("");
	m_strFileName = _T("g:\\Clipboard.txt");
	m_bAutoStore = FALSE;

	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CClipboardDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CClipboardDlg)
	DDX_Control(pDX, IDC_CHECK, m_ctrCheck);
	DDX_Control(pDX, IDC_EDIT_FILE, m_ctrFileName);
	DDX_Text(pDX, IDC_EDIT_CONTENT, m_strContent);
	DDX_Text(pDX, IDC_EDIT_FILE, m_strFileName);
	DDX_Check(pDX, IDC_CHECK, m_bAutoStore);
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CClipboardDlg, CDialog)
	//{{AFX_MSG_MAP(CClipboardDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_CHANGECBCHAIN()
	ON_WM_DRAWCLIPBOARD()
	ON_WM_DESTROY()
	ON_BN_CLICKED(IDC_BUTTON_STORE, OnButtonStore)
	//}}AFX_MSG_MAP	
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CClipboardDlg message handlers

BOOL CClipboardDlg::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
	hNext = SetClipboardViewer();                  //MFC,将本程序加入到剪贴板查看链表
    //hNext=::SetClipboardViewer(this->m_hWnd);    //API,将本程序加入到剪贴板查看链表
	return TRUE;  // return TRUE  unless you set the focus to a control
}

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

//WM_CHANGECBCHAIN消息响应函数
void CClipboardDlg::OnChangeCbChain(HWND hWndRemove, HWND hWndAfter) 
{
	CDialog::OnChangeCbChain(hWndRemove, hWndAfter);
	
	// TODO: Add your message handler code here
	if(hNext == hWndRemove)
	   hNext = hWndAfter;
	else if (hNext)   
	   //将WM_CHANGECBCHAIN消息发送给链表中下一窗口句柄
	   ::SendMessage(hNext, WM_CHANGECBCHAIN, (WPARAM)hWndRemove, (LPARAM)hWndAfter);
}

//WM_DRAWCLIPBOARD消息响应函数
void CClipboardDlg::OnDrawClipboard() 
{
	CDialog::OnDrawClipboard();
	
	if(hNext)
		//将WM_DRAWCLIPBOARD消息发送给链表中下一窗口句柄
		::SendMessage(hNext, WM_DRAWCLIPBOARD,0,0);
	OpenClipboard();                            // 打开剪贴板
	hClipboardData = GetClipboardData(CF_TEXT); // 得到剪贴板中的数据
	m_strContent = (char *)(GlobalLock(hClipboardData));  // 锁定数据
	SetDlgItemText(IDC_EDIT_CONTENT,m_strContent);
	GlobalUnlock(hClipboardData);          // 解除锁定
	CloseClipboard();                      // 关闭剪贴板
	m_bAutoStore = m_ctrCheck.GetCheck();  // 是否自动存盘？
	if(m_bAutoStore)
		OnButtonStore();		
}

//WM_DESTROY消息响应函数
void CClipboardDlg::OnDestroy() 
{
	CDialog::OnDestroy();	

	// 本程序退出剪贴板查看链，本程序在链中位置由下一个程序代替
	ChangeClipboardChain(hNext);                   // MFC函数
    //::ChangeClipboardChain(this->m_hWnd,hNext);  // API函数
}

//“保存”按钮响应函数
void CClipboardDlg::OnButtonStore() 
{
	// TODO: Add your control notification handler code here
	CString temp_text;
	temp_text.Format("\r\n\r\n================\r\n\r\n");
	m_ctrFileName.UpdateData(TRUE);
	GetDlgItemText(IDC_EDIT_CONTENT,m_strContent);
	GetDlgItemText(IDC_EDIT_FILE,m_strFileName);

	//将剪贴板中内容保存到文件
	if(FileFind.FindFile(m_strFileName,0))
	{
		CFile file(m_strFileName,CFile::modeWrite);
		file.SeekToEnd();
		file.Write(m_strContent+temp_text+temp_text,m_strContent.GetLength()+2*temp_text.GetLength());
		file.Close();
	}
	else
	{
		CFile file(m_strFileName,CFile::modeCreate|CFile::modeWrite);
		file.Write(m_strContent+temp_text+temp_text,m_strContent.GetLength()+2*temp_text.GetLength());
		file.Close();
	}
}

void CClipboardDlg::OnOK() 
{
	// TODO: Add extra validation here	
	CDialog::OnOK();
}