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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, 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 static const 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     ZeroMemory(&nidW, sizeof(nidW));
  50     nidW.cbSize = sizeof(nidW);
  51     nidW.hWnd   = pnid->hWnd;
  52     nidW.uID    = pnid->uID;
  53     nidW.uFlags = pnid->uFlags;
  54     nidW.uCallbackMessage = pnid->uCallbackMessage;
  55     nidW.hIcon  = pnid->hIcon;
  56
  57     /* szTip */
  58     if (pnid->uFlags & NIF_TIP)
  59         MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, sizeof(nidW.szTip)/sizeof(WCHAR));
  60
  61     if (pnid->cbSize >= NOTIFYICONDATAA_V2_SIZE)
  62     {
  63         nidW.dwState      = pnid->dwState;
  64         nidW.dwStateMask  = pnid->dwStateMask;
  65
  66         /* szInfo, szInfoTitle */
  67         if (pnid->uFlags & NIF_INFO)
  68         {
  69             MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1,  nidW.szInfo, sizeof(nidW.szInfo)/sizeof(WCHAR));
  70             MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, sizeof(nidW.szInfoTitle)/sizeof(WCHAR));
  71         }
  72
  73         nidW.u.uTimeout = pnid->u.uTimeout;
  74         nidW.dwInfoFlags = pnid->dwInfoFlags;
  75     }
  76
  77     if (pnid->cbSize >= NOTIFYICONDATAA_V3_SIZE)
  78         nidW.guidItem = pnid->guidItem;
  79
  80     if (pnid->cbSize >= sizeof(NOTIFYICONDATAA))
  81         nidW.hBalloonIcon = pnid->hBalloonIcon;
  82     return Shell_NotifyIconW(dwMessage, &nidW);
  83 }
  84
  85 /*************************************************************************
  86  * Shell_NotifyIconW                    [SHELL32.298]
  87  */
  88 BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
  89 {
  90     HWND tray;
  91     COPYDATASTRUCT cds;
  92     char *buffer = NULL;
  93
  94     TRACE("dwMessage = %d, nid->cbSize=%d\n", dwMessage, nid->cbSize);
  95
  96     tray = FindWindowExW(0, NULL, classname, NULL);
  97     if (!tray) return FALSE;
  98
  99     cds.dwData = dwMessage;
 100
 101     /* FIXME: if statement only needed because we don't support interprocess
 102      * icon handles */
 103     if (nid->uFlags & NIF_ICON)
 104     {
 105         ICONINFO iconinfo;
 106         BITMAP bmMask;
 107         BITMAP bmColour;
 108         LONG cbMaskBits;
 109         LONG cbColourBits;
 110
 111         if (!GetIconInfo(nid->hIcon, &iconinfo))
 112             goto noicon;
 113
 114         if (!GetObjectW(iconinfo.hbmMask, sizeof(bmMask), &bmMask) ||
 115             !GetObjectW(iconinfo.hbmColor, sizeof(bmColour), &bmColour))
 116         {
 117             DeleteObject(iconinfo.hbmMask);
 118             DeleteObject(iconinfo.hbmColor);
 119             goto noicon;
 120         }
 121
 122         cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel) / 8;
 123         cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel) / 8;
 124         cds.cbData = nid->cbSize + 2*sizeof(BITMAP) + cbMaskBits + cbColourBits;
 125         buffer = HeapAlloc(GetProcessHeap(), 0, cds.cbData);
 126         if (!buffer)
 127         {
 128             DeleteObject(iconinfo.hbmMask);
 129             DeleteObject(iconinfo.hbmColor);
 130             return FALSE;
 131         }
 132         cds.lpData = buffer;
 133
 134         memcpy(buffer, nid, sizeof(*nid));
 135         buffer += nid->cbSize;
 136         memcpy(buffer, &bmMask, sizeof(bmMask));
 137         buffer += sizeof(bmMask);
 138         memcpy(buffer, &bmColour, sizeof(bmColour));
 139         buffer += sizeof(bmColour);
 140         GetBitmapBits(iconinfo.hbmMask, cbMaskBits, buffer);
 141         buffer += cbMaskBits;
 142         GetBitmapBits(iconinfo.hbmColor, cbColourBits, buffer);
 143         buffer += cbColourBits;
 144
 145         DeleteObject(iconinfo.hbmMask);
 146         DeleteObject(iconinfo.hbmColor);
 147     }
 148     else
 149     {
 150 noicon:
 151         cds.cbData = nid->cbSize;
 152         cds.lpData = nid;
 153     }
 154
 155     SendMessageW(tray, WM_COPYDATA, (WPARAM)nid->hWnd, (LPARAM)&cds);
 156
 157     /* FIXME: if statement only needed because we don't support interprocess
 158      * icon handles */
 159     HeapFree(GetProcessHeap(), 0, buffer);
 160
 161     return TRUE;
 162 }