traydlg.cpp

C++编程实践与技巧一书各章节的源码

// trayDlg.cpp : implementation file
//

#include "stdafx.h"
#include "tray.h"
#include "trayDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CTrayDlg dialog

CTrayDlg::CTrayDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CTrayDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CTrayDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	//修改前
	strcpy(lpszTipBefore,"系统任务栏通知区图标演示_修改前");
	strcpy(lpszTipAfter,"系统任务栏通知区图标演示_修改后");
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CTrayDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CTrayDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CTrayDlg, CDialog)
	//{{AFX_MSG_MAP(CTrayDlg)
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_BN_CLICKED(IDC_HIDE, OnHide)
	ON_MESSAGE(TESTWM_NOTIFYICON,OnTestNotifyIcon)
	ON_WM_SYSCOMMAND()
	ON_BN_CLICKED(IDC_MODIFY, OnModify)
	ON_BN_CLICKED(IDC_DELETE, OnDelete)
	ON_COMMAND(ID_SUBMENU1, OnSubmenu1)
	ON_COMMAND(ID_SUBMENU2, OnSubmenu2)
	ON_COMMAND(ID_EXIT, OnExit)
	ON_WM_DESTROY()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CTrayDlg message handlers

BOOL CTrayDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

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

// 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 CTrayDlg::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 CTrayDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

int CTrayDlg::TrayAddIcon()
{
	BOOL res;
    NOTIFYICONDATA tnid;
	HICON hicon;
	hicon=LoadIcon(AfxGetApp()->m_hInstance,MAKEINTRESOURCE(IDI_ICONBEFORE));
    tnid.cbSize = sizeof(NOTIFYICONDATA);
    tnid.hWnd = GetSafeHwnd();
    tnid.uID = DEMOICON;
    tnid.uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE;
    tnid.uCallbackMessage = TESTWM_NOTIFYICON;
    tnid.hIcon = hicon; 
    if (lpszTipBefore)
     lstrcpyn(tnid.szTip, lpszTipBefore, sizeof(tnid.szTip));
    else
     tnid.szTip[0]='\0';
    res=Shell_NotifyIcon(NIM_ADD, &tnid);
    if (hicon)
    DestroyIcon(hicon);
    return res;
    
}

int CTrayDlg::TrayDeleteIcon()
{

	BOOL res;
    NOTIFYICONDATA tnid;
	HICON hicon;
	hicon=LoadIcon(AfxGetApp()->m_hInstance,MAKEINTRESOURCE(IDR_MAINFRAME));
    tnid.cbSize = sizeof(NOTIFYICONDATA);
    tnid.hWnd = GetSafeHwnd();
    tnid.uID = DEMOICON;
    res=Shell_NotifyIcon(NIM_DELETE, &tnid);
    return res;
}

int CTrayDlg::TrayModifyIcon()
{
	BOOL res;
    NOTIFYICONDATA tnid;
	HICON hicon;
	hicon=LoadIcon(AfxGetApp()->m_hInstance,MAKEINTRESOURCE(IDI_ICONAFTER));
    tnid.cbSize = sizeof(NOTIFYICONDATA);
    tnid.hWnd = GetSafeHwnd();
    tnid.uID = DEMOICON;
    tnid.uFlags = NIF_ICON | NIF_TIP | NIF_MESSAGE;
    tnid.uCallbackMessage = TESTWM_NOTIFYICON;
    tnid.hIcon = hicon; 
    if (lpszTipAfter)
     lstrcpyn(tnid.szTip, lpszTipAfter,sizeof(tnid.szTip));
    else
     tnid.szTip[0]='\0';
    res=Shell_NotifyIcon(NIM_MODIFY, &tnid);
    if (hicon)
    DestroyIcon(hicon);
    return res;
}

void CTrayDlg::OnHide() 
{
	TrayAddIcon();
	ShowWindow(SW_HIDE);	
}

LRESULT CTrayDlg::OnTestNotifyIcon(WPARAM wParam,LPARAM lParam)
{
	switch(lParam)
	{
	case WM_LBUTTONDBLCLK:
		if(wParam==DEMOICON)
		{
			ShowWindow(SW_SHOW);
		}
		break;
	case WM_RBUTTONDOWN:
		if(wParam=DEMOICON)
		{
			CMenu *pm1,m2;
			CPoint pp(LOWORD(lParam),HIWORD(lParam));
			m2.LoadMenu(IDR_MENU1);
			pm1=m2.GetSubMenu(0);
			ClientToScreen(&pp);
			pm1->TrackPopupMenu(
				TPM_RIGHTALIGN|TPM_LEFTBUTTON,
				pp.x,
				GetSystemMetrics(SM_CYSCREEN)-50,
				this);
		}
			break;
	default:
		break;
	}

	return 0L;
}

void CTrayDlg::OnModify() 
{
	TrayModifyIcon();
}

void CTrayDlg::OnDelete() 
{
	TrayDeleteIcon();	
}

void CTrayDlg::OnSubmenu1() 
{
	AfxMessageBox("这是菜单项一");
}

void CTrayDlg::OnSubmenu2() 
{
	AfxMessageBox("这是菜单项二");
}

void CTrayDlg::OnExit() 
{
	EndDialog(TRUE);
}

void CTrayDlg::OnDestroy() 
{
	CDialog::OnDestroy();
	TrayDeleteIcon();	
	
}
void CTrayDlg::OnSysCommand(UINT nID, LPARAM lParam )
    {
    if (nID==SC_MINIMIZE )
    {
     ShowWindow(SW_HIDE );
    }
    else
     CTrayDlg::OnSysCommand(nID, lParam );
    }