Re: Using WM_LBUTTONUP

From: Gizmo (Gizmo_at_discussions.microsoft.com)
Date: 02/07/05 

Date: Mon, 7 Feb 2005 07:19:02 -0800

I put all the code, It will be more simple for me to explain. I've tried to
modify the sample program, I've added an icon on the dialog box. And now I
wanna tap on that icon to turn off my PPC. The name of the icon is IDC_CLOSE.
I've placed 2 comments on the code //Here...
Thanks

#include "stdafx.h"

#define TRAY_NOTIFYICON WM_USER + 2001
#define WMO_PALMTRAYAPP WM_USER + 2002
#define ID_TRAY 5000

// === Function Prototypes
====================================================

BOOL WINAPI MainDlgProc(
    HWND,
    UINT,
    WPARAM,
    LPARAM
    );

// === Global Variables
=======================================================

HINSTANCE g_hInst;

BOOL g_bWinHide = FALSE;
BOOL g_bPalmTrayAppActive = FALSE;

// Tray Icons and Notification ------------------------------

BOOL TrayMessage(
    HWND hwnd,
    DWORD dwMessage,
    UINT uID,
    HICON hIcon,
    PTSTR pszTip
    )
{
  BOOL res = FALSE;
  NOTIFYICONDATA tnd;
  
  tnd.cbSize = sizeof(NOTIFYICONDATA);
  tnd.hWnd = hwnd;
  tnd.uID = uID;
  tnd.uFlags = NIF_MESSAGE|NIF_ICON;
  tnd.uCallbackMessage = TRAY_NOTIFYICON;
  tnd.hIcon = hIcon;
  tnd.szTip[0] = '\0';
  
  res = Shell_NotifyIcon(dwMessage, &tnd);
  return res;
}

void TrayIconDelete(
    HWND hwnd,
    UINT uID,
    HICON hIcon,
    PTSTR pszTip
    )
{
    TrayMessage(hwnd, NIM_DELETE, uID, hIcon, NULL);
}

void TrayIconModify(
    HWND hwnd,
    UINT uID,
    HICON hIcon,
    PTSTR pszTip
    )
{
    //animate icons
    TrayMessage(hwnd, NIM_MODIFY, uID, hIcon, NULL);
}

void TrayIconAdd(
    HWND hwnd,
    UINT uID,
    HICON hIcon,
    PTSTR pszTip
    )
{
    TrayMessage(hwnd, NIM_ADD, uID, hIcon, NULL);
}

// === Application Entry Point
================================================

int APIENTRY WinMain(
    HINSTANCE hInstance,
    HINSTANCE hPrev,
    LPTSTR lpCmdLine,
    int nShowCmd
    )
{
    int retcode;

    g_hInst = hInstance; // Save instance handle in global
    InitCommonControls();

    retcode = DialogBox( g_hInst, MAKEINTRESOURCE(IDD_PALMTRAYAPP), NULL,
(DLGPROC)MainDlgProc );

    return(retcode);
}

// === Main Window (dialog) Proc
==============================================
BOOL WINAPI MainDlgProc(
    HWND hDlg,
    UINT Msg,
    WPARAM wParam,
    LPARAM lParam
    )
{
    switch (Msg)
    {

    case WM_CLOSE:
        //Clean up on Close and remove tray icons
        TrayIconDelete(hDlg, ID_TRAY, LoadIcon( g_hInst,
MAKEINTRESOURCE(IDI_ICON2) ), NULL);
        EndDialog(hDlg, TRUE);
        return(TRUE);

    case WM_INITDIALOG:
        //On Pocket PC devices you normally create all Dialog's as
fullscreen dialog's
        // with an OK button in the upper corner.
        SHINITDLGINFO shidi;
        
        // Create a Done button and size it.
         shidi.hDlg = hDlg;
        
        //initialzes the dialog based on the dwFlags parameter
        SHInitDialog(&shidi);
        //Set Tray Icon
        TrayIconAdd(hDlg, ID_TRAY, LoadIcon(g_hInst,
MAKEINTRESOURCE(IDI_ICON2)), NULL);
        SetForegroundWindow(hDlg); // make us come to the front
        return(TRUE);
  
         case WM_LBUTTONUP:
         MessageBox( NULL, NULL, NULL, NULL); //Here I've added my code

        case WM_COMMAND:
        switch (GET_WM_COMMAND_ID(wParam,lParam))
        {

        case IDCANCEL:
            g_bPalmTrayAppActive = FALSE;
            TrayIconDelete(hDlg, ID_TRAY, LoadIcon( g_hInst,
MAKEINTRESOURCE(IDI_ICON2) ), NULL);
            EndDialog( hDlg, TRUE );
            return(TRUE);
            break;
                
        case IDOK:
            //Hide window
            if (FALSE == g_bWinHide)
            {
                ShowWindow(hDlg, SW_HIDE);
                g_bWinHide = TRUE;
            }
            //Active state
            PostMessage(hDlg, WM_COMMAND, (WPARAM)WMO_PALMTRAYAPP, 0);
            return(TRUE);
            break;
        }

                
        case TRAY_NOTIFYICON:
        switch (lParam)
        {
        case WM_LBUTTONDOWN: //Here I've found the example, intercept the
tap on the icon
            if (ID_TRAY == wParam)
            {
                g_bPalmTrayAppActive = FALSE;
                if (TRUE == g_bWinHide)
                {
                    ShowWindow(hDlg, SW_SHOW);
                    SetForegroundWindow(hDlg); // make us come to the front
                    g_bWinHide = FALSE;
                }
                else
                {
                    g_bWinHide = TRUE;
                }
            }
            break;
        }

        break;
  
    }
    return( FALSE );
}

"Michael J. Salamone [eMVP]" wrote:

> You're calling Shell_NotifyIcon to add your tray items?
>
> In the NOTIFYICONDATA structure passed to Shell_NotifyIcon is a field called
> uCallbackMessage. That is the message (application defined) you will
> receive when there is an icon event, not WM_LBUTTONUP.
> --
>
> Michael Salamone [eMVP]
> Entrek Software, Inc.
> www.entrek.com
>
>
>
> "Gizmo" <Gizmo@discussions.microsoft.com> wrote in message
> news:EBC4037D-CB1C-42F9-9A60-C110B18C3306@microsoft.com...
> > Hi,
> > I'm writing a small app with Embedded Visual C++, I need to handle a
> > message
> > when I tap over tree Icons or Immages. I've started from the demo of
> > TrayApp
> > Sample code.
> > I've write the code after the WM_INITDIALOG
> >
> > case WM_LBUTTONUP:
> > MessageBox( NULL, NULL, NULL, NULL); //Only for testing
> >
> > It works on the entire of the dialog box and i need to use only on the 3
> > icons.
> > Can anybody help me? Please be patient I'm new with C++
> > Thanks
>
>
>

Loading