VC++实现小托盘的处理

本是古典何须时尚 2022-01-11 16:21 233阅读 0赞

// 实验一Dlg.cpp : implementation file
    //
    
    #include "stdafx.h"
    #include "实验一.h"
    #include "实验一Dlg.h"
    
    //添加的头文件
    #include "shlwapi.h"
    #define WM_NOTIFYICON	WM_USER+1
    
    //
    #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()
    
    /
    // CMyDlg dialog
    
    CMyDlg::CMyDlg(CWnd* pParent /*=NULL*/)
    	: CDialog(CMyDlg::IDD, pParent)
    {
    	//{
       {AFX_DATA_INIT(CMyDlg)
    		// 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 CMyDlg::DoDataExchange(CDataExchange* pDX)
    {
    	CDialog::DoDataExchange(pDX);
    	//{
       {AFX_DATA_MAP(CMyDlg)
    		// NOTE: the ClassWizard will add DDX and DDV calls here
    	//}}AFX_DATA_MAP
    }
    
    BEGIN_MESSAGE_MAP(CMyDlg, CDialog)
    	//{
       {AFX_MSG_MAP(CMyDlg)
    	ON_WM_SYSCOMMAND()
    	ON_WM_PAINT()
    	ON_WM_QUERYDRAGICON()
    	ON_BN_CLICKED(IDC_BUTTON1, OnButton1)
    	ON_MESSAGE(WM_NOTIFYICON, OnNotifyIcon)   //消息映射部分加入
    	ON_COMMAND(ID_SHOW, OnShow)        //执行定义的函数
    	ON_COMMAND(ID_EXIT, OnExit)
    	//}}AFX_MSG_MAP
    END_MESSAGE_MAP()
    
    /
    // CMyDlg message handlers
    
    BOOL CMyDlg::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
    	
    	//初始化NOTIFYICONDATA结构
    
    	m_Nid.cbSize = sizeof(NOTIFYICONDATA);
    	m_Nid.hWnd = m_hWnd;
    	m_Nid.uID = 100;
    	m_Nid.uFlags = NIF_ICON | NIF_MESSAGE | NIF_TIP;
    	m_Nid.uCallbackMessage = WM_NOTIFYICON;
    	m_Nid.hIcon = (HICON)LoadImage(AfxGetInstanceHandle(), 
    		MAKEINTRESOURCE(IDR_MAINFRAME), IMAGE_ICON, 16, 16, NULL);
    	StrCpy(m_Nid.szTip, _T("Demo"));
    	
    	return TRUE;  // return TRUE  unless you set the focus to a control
    }
    
    void CMyDlg::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 CMyDlg::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 CMyDlg::OnQueryDragIcon()
    {
    	return (HCURSOR) m_hIcon;
    }
    
    void CMyDlg::OnButton1() 
    {
    	// TODO: Add your control notification handler code here
    	//隐藏窗口
    	ShowWindow(SW_HIDE);
    	
    	//在任务栏中添加图标 
    	Shell_NotifyIcon(NIM_ADD, &m_Nid);
    }
    
    void CMyDlg::OnNotifyIcon(WPARAM wParam, LPARAM lParam)
    {
    	if (wParam == 100)
    	{
    		if (lParam == WM_LBUTTONDBLCLK)      //当点击左键的时候
    		{
    			//删除任务栏中的图标 
    			Shell_NotifyIcon(NIM_DELETE, &m_Nid);
    			//显示窗口
    			ShowWindow(SW_SHOWNORMAL);
    			UpdateWindow();
    		}
    
    		else 
    	if (lParam == WM_RBUTTONDOWN || lParam == WM_LBUTTONDOWN)  //当点击右键的时候
    		{
    			//显示快捷子菜单
    			CMenu menu; 
    			if (!menu.LoadMenu(IDR_MENU1))
    			{
    				return;
    			}
    			CPoint point; 
    			GetCursorPos(&point); 
    			SetForegroundWindow();
    			CMenu* pSubMenu = menu.GetSubMenu(0);
    			if (pSubMenu == NULL)
    			{
    				return;
    			}
    			pSubMenu->TrackPopupMenu(TPM_LEFTBUTTON | TPM_RIGHTBUTTON, 
    				point.x, point.y, this, NULL); 
    			PostMessage(WM_NULL, 0, 0);  
    		}
    	}
    }
    
    void CMyDlg::OnShow()   //菜单项的显示实现
    {
    	//删除任务栏中的图标 
    	Shell_NotifyIcon(NIM_DELETE , &m_Nid);
    	//显示窗口
    	ShowWindow(SW_SHOWNORMAL);
    	UpdateWindow();
    }
    
    void CMyDlg::OnExit()     //菜单项的退出实现
    {
    	//删除任务栏中的图标 
    	Shell_NotifyIcon(NIM_DELETE, &m_Nid);
    	//关闭窗口
    	SendMessage(WM_CLOSE);
    }