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 struct notify_data  /* platform-independent format for NOTIFYICONDATA */
  42 {
  43     LONG  hWnd;
  44     UINT  uID;
  45     UINT  uFlags;
  46     UINT  uCallbackMessage;
  47     WCHAR szTip[128];
  48     DWORD dwState;
  49     DWORD dwStateMask;
  50     WCHAR szInfo[256];
  51     union {
  52         UINT uTimeout;
  53         UINT uVersion;
  54     } u;
  55     WCHAR szInfoTitle[64];
  56     DWORD dwInfoFlags;
  57     GUID  guidItem;
  58     /* data for the icon bitmap */
  59     UINT width;
  60     UINT height;
  61     UINT planes;
  62     UINT bpp;
  63 };
  64
  65 /*************************************************************************
  66  * Shell_NotifyIcon                     [SHELL32.296]
  67  * Shell_NotifyIconA                    [SHELL32.297]
  68  */
  69 BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
  70 {
  71     NOTIFYICONDATAW nidW;
  72     INT cbSize;
  73
  74     /* Validate the cbSize as Windows XP does */
  75     if (pnid->cbSize != NOTIFYICONDATAA_V1_SIZE &&
  76         pnid->cbSize != NOTIFYICONDATAA_V2_SIZE &&
  77         pnid->cbSize != NOTIFYICONDATAA_V3_SIZE &&
  78         pnid->cbSize != sizeof(NOTIFYICONDATAA))
  79     {
  80         WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
  81             pnid->cbSize, NOTIFYICONDATAA_V1_SIZE);
  82         cbSize = NOTIFYICONDATAA_V1_SIZE;
  83     }
  84     else
  85         cbSize = pnid->cbSize;
  86
  87     ZeroMemory(&nidW, sizeof(nidW));
  88     nidW.cbSize = sizeof(nidW);
  89     nidW.hWnd   = pnid->hWnd;
  90     nidW.uID    = pnid->uID;
  91     nidW.uFlags = pnid->uFlags;
  92     nidW.uCallbackMessage = pnid->uCallbackMessage;
  93     nidW.hIcon  = pnid->hIcon;
  94
  95     /* szTip */
  96     if (pnid->uFlags & NIF_TIP)
  97         MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, sizeof(nidW.szTip)/sizeof(WCHAR));
  98
  99     if (cbSize >= NOTIFYICONDATAA_V2_SIZE)
 100     {
 101         nidW.dwState      = pnid->dwState;
 102         nidW.dwStateMask  = pnid->dwStateMask;
 103
 104         /* szInfo, szInfoTitle */
 105         if (pnid->uFlags & NIF_INFO)
 106         {
 107             MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1,  nidW.szInfo, sizeof(nidW.szInfo)/sizeof(WCHAR));
 108             MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, sizeof(nidW.szInfoTitle)/sizeof(WCHAR));
 109         }
 110
 111         nidW.u.uTimeout = pnid->u.uTimeout;
 112         nidW.dwInfoFlags = pnid->dwInfoFlags;
 113     }
 114
 115     if (cbSize >= NOTIFYICONDATAA_V3_SIZE)
 116         nidW.guidItem = pnid->guidItem;
 117
 118     if (cbSize >= sizeof(NOTIFYICONDATAA))
 119         nidW.hBalloonIcon = pnid->hBalloonIcon;
 120     return Shell_NotifyIconW(dwMessage, &nidW);
 121 }
 122
 123 /*************************************************************************
 124  * Shell_NotifyIconW                    [SHELL32.298]
 125  */
 126 BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
 127 {
 128     HWND tray;
 129     COPYDATASTRUCT cds;
 130     struct notify_data data_buffer;
 131     struct notify_data *data = &data_buffer;
 132     BOOL ret;
 133
 134     TRACE("dwMessage = %d, nid->cbSize=%d\n", dwMessage, nid->cbSize);
 135
 136     /* Validate the cbSize so that WM_COPYDATA doesn't crash the application */
 137     if (nid->cbSize != NOTIFYICONDATAW_V1_SIZE &&
 138         nid->cbSize != NOTIFYICONDATAW_V2_SIZE &&
 139         nid->cbSize != NOTIFYICONDATAW_V3_SIZE &&
 140         nid->cbSize != sizeof(NOTIFYICONDATAW))
 141     {
 142         NOTIFYICONDATAW newNid;
 143
 144         WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
 145             nid->cbSize, NOTIFYICONDATAW_V1_SIZE);
 146         CopyMemory(&newNid, nid, NOTIFYICONDATAW_V1_SIZE);
 147         newNid.cbSize = NOTIFYICONDATAW_V1_SIZE;
 148         return Shell_NotifyIconW(dwMessage, &newNid);
 149     }
 150
 151     tray = FindWindowExW(0, NULL, classname, NULL);
 152     if (!tray) return FALSE;
 153
 154     cds.dwData = dwMessage;
 155     cds.cbData = sizeof(*data);
 156     memset( data, 0, sizeof(*data) );
 157
 158     /* FIXME: if statement only needed because we don't support interprocess
 159      * icon handles */
 160     if (nid->uFlags & NIF_ICON)
 161     {
 162         ICONINFO iconinfo;
 163         BITMAP bmMask;
 164         BITMAP bmColour;
 165         LONG cbMaskBits;
 166         LONG cbColourBits = 0;
 167         char *buffer;
 168
 169         if (!GetIconInfo(nid->hIcon, &iconinfo))
 170             goto noicon;
 171
 172         if (!GetObjectW(iconinfo.hbmMask, sizeof(bmMask), &bmMask) ||
 173             (iconinfo.hbmColor && !GetObjectW(iconinfo.hbmColor, sizeof(bmColour), &bmColour)))
 174         {
 175             DeleteObject(iconinfo.hbmMask);
 176             if (iconinfo.hbmColor) DeleteObject(iconinfo.hbmColor);
 177             goto noicon;
 178         }
 179
 180         cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel + 15) / 16 * 2;
 181         if (iconinfo.hbmColor)
 182             cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel + 15) / 16 * 2;
 183         cds.cbData = sizeof(*data) + cbMaskBits + cbColourBits;
 184         buffer = HeapAlloc(GetProcessHeap(), 0, cds.cbData);
 185         if (!buffer)
 186         {
 187             DeleteObject(iconinfo.hbmMask);
 188             if (iconinfo.hbmColor) DeleteObject(iconinfo.hbmColor);
 189             return FALSE;
 190         }
 191
 192         data = (struct notify_data *)buffer;
 193         memset( data, 0, sizeof(*data) );
 194         buffer += sizeof(*data);
 195         GetBitmapBits(iconinfo.hbmMask, cbMaskBits, buffer);
 196         if (!iconinfo.hbmColor)
 197         {
 198             data->width  = bmMask.bmWidth;
 199             data->height = bmMask.bmHeight / 2;
 200             data->planes = 1;
 201             data->bpp    = 1;
 202         }
 203         else
 204         {
 205             data->width  = bmColour.bmWidth;
 206             data->height = bmColour.bmHeight;
 207             data->planes = bmColour.bmPlanes;
 208             data->bpp    = bmColour.bmBitsPixel;
 209             buffer += cbMaskBits;
 210             GetBitmapBits(iconinfo.hbmColor, cbColourBits, buffer);
 211             DeleteObject(iconinfo.hbmColor);
 212         }
 213         DeleteObject(iconinfo.hbmMask);
 214     }
 215
 216 noicon:
 217     data->hWnd   = HandleToLong( nid->hWnd );
 218     data->uID    = nid->uID;
 219     data->uFlags = nid->uFlags;
 220     if (data->uFlags & NIF_MESSAGE)
 221         data->uCallbackMessage = nid->uCallbackMessage;
 222     if (data->uFlags & NIF_TIP)
 223         lstrcpynW( data->szTip, nid->szTip, sizeof(data->szTip)/sizeof(WCHAR) );
 224     if (data->uFlags & NIF_STATE)
 225     {
 226         data->dwState     = nid->dwState;
 227         data->dwStateMask = nid->dwStateMask;
 228     }
 229     if (data->uFlags & NIF_INFO)
 230     {
 231         lstrcpynW( data->szInfo, nid->szInfo, sizeof(data->szInfo)/sizeof(WCHAR) );
 232         lstrcpynW( data->szInfoTitle, nid->szInfoTitle, sizeof(data->szInfoTitle)/sizeof(WCHAR) );
 233         data->u.uTimeout  = nid->u.uTimeout;
 234         data->dwInfoFlags = nid->dwInfoFlags;
 235     }
 236     if (data->uFlags & NIF_GUID)
 237         data->guidItem = nid->guidItem;
 238     /* FIXME: balloon icon */
 239
 240     cds.lpData = data;
 241     ret = SendMessageW(tray, WM_COPYDATA, (WPARAM)nid->hWnd, (LPARAM)&cds);
 242     if (data != &data_buffer) HeapFree( GetProcessHeap(), 0, data );
 243     return ret;
 244 }