dlls/shell32/systray.c

   1 /*
   2  * Systray handling
   3  *
   4  * Copyright 1999 Kai Morich    <kai.morich@bigfoot.de>
   5  * Copyright 2004 Mike Hearn, for CodeWeavers
   6  * Copyright 2005 Robert Shearman
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  21  */
  22
  23 #define NONAMELESSUNION
  24 #define NONAMELESSSTRUCT
  25
  26 #include <stdarg.h>
  27
  28 #include "windef.h"
  29 #include "winbase.h"
  30 #include "wingdi.h"
  31 #include "winnls.h"
  32 #include "winuser.h"
  33 #include "shellapi.h"
  34
  35 #include "wine/debug.h"
  36
  37 WINE_DEFAULT_DEBUG_CHANNEL(systray);
  38
  39 const static WCHAR classname[] = /* Shell_TrayWnd */ {'S','h','e','l','l','_','T','r','a','y','W','n','d','\0'};
  40
  41 /*************************************************************************
  42  * Shell_NotifyIcon                     [SHELL32.296]
  43  * Shell_NotifyIconA                    [SHELL32.297]
  44  */
  45 BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
  46 {
  47     NOTIFYICONDATAW nidW;
  48
  49     nidW.cbSize = sizeof(nidW);
  50     nidW.hWnd   = pnid->hWnd;
  51     nidW.uID    = pnid->uID;
  52     nidW.uFlags = pnid->uFlags;
  53     nidW.uCallbackMessage = pnid->uCallbackMessage;
  54     nidW.hIcon  = pnid->hIcon;
  55
  56     /* szTip */
  57     MultiByteToWideChar(CP_ACP, 0, pnid->szTip, sizeof(pnid->szTip), nidW.szTip, sizeof(nidW.szTip));
  58
  59     nidW.dwState      = pnid->dwState;
  60     nidW.dwStateMask  = pnid->dwStateMask;
  61
  62     /* szInfo */
  63     MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, sizeof(pnid->szInfo),  nidW.szInfo, sizeof(nidW.szInfo));
  64
  65     nidW.u.uTimeout = pnid->u.uTimeout;
  66
  67     /* szInfoTitle */
  68     MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, sizeof(pnid->szInfoTitle), nidW.szInfoTitle, sizeof(nidW.szInfoTitle));
  69
  70     nidW.dwInfoFlags = pnid->dwInfoFlags;
  71
  72     return Shell_NotifyIconW(dwMessage, &nidW);
  73 }
  74
  75 /*************************************************************************
  76  * Shell_NotifyIconW                    [SHELL32.298]
  77  */
  78 BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
  79 {
  80     HWND tray;
  81     COPYDATASTRUCT cds;
  82
  83     TRACE("dwMessage = %ld\n", dwMessage);
  84
  85     tray = FindWindowExW(0, NULL, classname, NULL);
  86     if (!tray) return FALSE;
  87
  88     cds.dwData = dwMessage;
  89
  90     /* FIXME: if statement only needed because we don't support interprocess
  91      * icon handles */
  92     if (nid->uFlags & NIF_ICON)
  93     {
  94         ICONINFO iconinfo;
  95         char *buffer;
  96         BITMAP bmMask;
  97         BITMAP bmColour;
  98         LONG cbMaskBits;
  99         LONG cbColourBits;
 100
 101         if (!GetIconInfo(nid->hIcon, &iconinfo))
 102             goto noicon;
 103
 104         if (!GetObjectW(iconinfo.hbmMask, sizeof(bmMask), &bmMask) ||
 105             !GetObjectW(iconinfo.hbmColor, sizeof(bmColour), &bmColour))
 106         {
 107             DeleteObject(iconinfo.hbmMask);
 108             DeleteObject(iconinfo.hbmColor);
 109             goto noicon;
 110         }
 111
 112         cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel) / 8;
 113         cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel) / 8;
 114         cds.cbData = sizeof(*nid) + 2*sizeof(BITMAP) + cbMaskBits + cbColourBits;
 115         buffer = HeapAlloc(GetProcessHeap(), 0, cds.cbData);
 116         if (!buffer)
 117         {
 118             DeleteObject(iconinfo.hbmMask);
 119             DeleteObject(iconinfo.hbmColor);
 120             return FALSE;
 121         }
 122         cds.lpData = buffer;
 123
 124         memcpy(buffer, nid, sizeof(*nid));
 125         buffer += sizeof(*nid);
 126         memcpy(buffer, &bmMask, sizeof(bmMask));
 127         buffer += sizeof(bmMask);
 128         memcpy(buffer, &bmColour, sizeof(bmColour));
 129         buffer += sizeof(bmColour);
 130         GetBitmapBits(iconinfo.hbmMask, cbMaskBits, buffer);
 131         buffer += cbMaskBits;
 132         GetBitmapBits(iconinfo.hbmColor, cbColourBits, buffer);
 133         buffer += cbColourBits;
 134
 135         DeleteObject(iconinfo.hbmMask);
 136         DeleteObject(iconinfo.hbmColor);
 137     }
 138     else
 139     {
 140 noicon:
 141         cds.cbData = sizeof(*nid);
 142         cds.lpData = nid;
 143     }
 144
 145     SendMessageW(tray, WM_COPYDATA, (WPARAM)nid->hWnd, (LPARAM)&cds);
 146
 147     /* FIXME: if statement only needed because we don't support interprocess
 148      * icon handles */
 149     if (nid->uFlags & NIF_ICON)
 150         HeapFree(GetProcessHeap(), 0, cds.lpData);
 151
 152     return TRUE;
 153 }