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
  25 #include <stdarg.h>
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wingdi.h"
  30 #include "winnls.h"
  31 #include "winuser.h"
  32 #include "shellapi.h"
  33 #include "shell32_main.h"
  34
  35 #include "wine/debug.h"
  36 #include "wine/heap.h"
  37
  38 WINE_DEFAULT_DEBUG_CHANNEL(systray);
  39
  40 static const WCHAR classname[] = /* Shell_TrayWnd */ {'S','h','e','l','l','_','T','r','a','y','W','n','d','\0'};
  41
  42 struct notify_data  /* platform-independent format for NOTIFYICONDATA */
  43 {
  44     LONG  hWnd;
  45     UINT  uID;
  46     UINT  uFlags;
  47     UINT  uCallbackMessage;
  48     WCHAR szTip[128];
  49     DWORD dwState;
  50     DWORD dwStateMask;
  51     WCHAR szInfo[256];
  52     union {
  53         UINT uTimeout;
  54         UINT uVersion;
  55     } u;
  56     WCHAR szInfoTitle[64];
  57     DWORD dwInfoFlags;
  58     GUID  guidItem;
  59     /* data for the icon bitmap */
  60     UINT width;
  61     UINT height;
  62     UINT planes;
  63     UINT bpp;
  64 };
  65
  66 /*************************************************************************
  67  * Shell_NotifyIcon                     [SHELL32.296]
  68  * Shell_NotifyIconA                    [SHELL32.297]
  69  */
  70 BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
  71 {
  72     NOTIFYICONDATAW nidW;
  73     INT cbSize;
  74
  75     /* Validate the cbSize as Windows XP does */
  76     if (pnid->cbSize != NOTIFYICONDATAA_V1_SIZE &&
  77         pnid->cbSize != NOTIFYICONDATAA_V2_SIZE &&
  78         pnid->cbSize != NOTIFYICONDATAA_V3_SIZE &&
  79         pnid->cbSize != sizeof(NOTIFYICONDATAA))
  80     {
  81         WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
  82             pnid->cbSize, NOTIFYICONDATAA_V1_SIZE);
  83         cbSize = NOTIFYICONDATAA_V1_SIZE;
  84     }
  85     else
  86         cbSize = pnid->cbSize;
  87
  88     ZeroMemory(&nidW, sizeof(nidW));
  89     nidW.cbSize = sizeof(nidW);
  90     nidW.hWnd   = pnid->hWnd;
  91     nidW.uID    = pnid->uID;
  92     nidW.uFlags = pnid->uFlags;
  93     nidW.uCallbackMessage = pnid->uCallbackMessage;
  94     nidW.hIcon  = pnid->hIcon;
  95
  96     /* szTip */
  97     if (pnid->uFlags & NIF_TIP)
  98         MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, ARRAY_SIZE(nidW.szTip));
  99
 100     if (cbSize >= NOTIFYICONDATAA_V2_SIZE)
 101     {
 102         nidW.dwState      = pnid->dwState;
 103         nidW.dwStateMask  = pnid->dwStateMask;
 104
 105         /* szInfo, szInfoTitle */
 106         if (pnid->uFlags & NIF_INFO)
 107         {
 108             MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1,  nidW.szInfo, ARRAY_SIZE(nidW.szInfo));
 109             MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, ARRAY_SIZE(nidW.szInfoTitle));
 110         }
 111
 112         nidW.u.uTimeout = pnid->u.uTimeout;
 113         nidW.dwInfoFlags = pnid->dwInfoFlags;
 114     }
 115
 116     if (cbSize >= NOTIFYICONDATAA_V3_SIZE)
 117         nidW.guidItem = pnid->guidItem;
 118
 119     if (cbSize >= sizeof(NOTIFYICONDATAA))
 120         nidW.hBalloonIcon = pnid->hBalloonIcon;
 121     return Shell_NotifyIconW(dwMessage, &nidW);
 122 }
 123
 124 /*************************************************************************
 125  * Shell_NotifyIconW                    [SHELL32.298]
 126  */
 127 BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
 128 {
 129     HWND tray;
 130     COPYDATASTRUCT cds;
 131     struct notify_data data_buffer;
 132     struct notify_data *data = &data_buffer;
 133     BOOL ret;
 134
 135     TRACE("dwMessage = %d, nid->cbSize=%d\n", dwMessage, nid->cbSize);
 136
 137     /* Validate the cbSize so that WM_COPYDATA doesn't crash the application */
 138     if (nid->cbSize != NOTIFYICONDATAW_V1_SIZE &&
 139         nid->cbSize != NOTIFYICONDATAW_V2_SIZE &&
 140         nid->cbSize != NOTIFYICONDATAW_V3_SIZE &&
 141         nid->cbSize != sizeof(NOTIFYICONDATAW))
 142     {
 143         NOTIFYICONDATAW newNid;
 144
 145         WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
 146             nid->cbSize, NOTIFYICONDATAW_V1_SIZE);
 147         CopyMemory(&newNid, nid, NOTIFYICONDATAW_V1_SIZE);
 148         newNid.cbSize = NOTIFYICONDATAW_V1_SIZE;
 149         return Shell_NotifyIconW(dwMessage, &newNid);
 150     }
 151
 152     tray = FindWindowExW(0, NULL, classname, NULL);
 153     if (!tray) return FALSE;
 154
 155     cds.dwData = dwMessage;
 156     cds.cbData = sizeof(*data);
 157     memset( data, 0, sizeof(*data) );
 158
 159     /* FIXME: if statement only needed because we don't support interprocess
 160      * icon handles */
 161     if (nid->uFlags & NIF_ICON)
 162     {
 163         ICONINFO iconinfo;
 164         BITMAP bmMask;
 165         BITMAP bmColour;
 166         LONG cbMaskBits;
 167         LONG cbColourBits = 0;
 168         char *buffer;
 169
 170         if (!GetIconInfo(nid->hIcon, &iconinfo))
 171             goto noicon;
 172
 173         if (!GetObjectW(iconinfo.hbmMask, sizeof(bmMask), &bmMask) ||
 174             (iconinfo.hbmColor && !GetObjectW(iconinfo.hbmColor, sizeof(bmColour), &bmColour)))
 175         {
 176             DeleteObject(iconinfo.hbmMask);
 177             if (iconinfo.hbmColor) DeleteObject(iconinfo.hbmColor);
 178             goto noicon;
 179         }
 180
 181         cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel + 15) / 16 * 2;
 182         if (iconinfo.hbmColor)
 183             cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel + 15) / 16 * 2;
 184         cds.cbData = sizeof(*data) + cbMaskBits + cbColourBits;
 185         buffer = heap_alloc(cds.cbData);
 186         if (!buffer)
 187         {
 188             DeleteObject(iconinfo.hbmMask);
 189             if (iconinfo.hbmColor) DeleteObject(iconinfo.hbmColor);
 190             return FALSE;
 191         }
 192
 193         data = (struct notify_data *)buffer;
 194         memset( data, 0, sizeof(*data) );
 195         buffer += sizeof(*data);
 196         GetBitmapBits(iconinfo.hbmMask, cbMaskBits, buffer);
 197         if (!iconinfo.hbmColor)
 198         {
 199             data->width  = bmMask.bmWidth;
 200             data->height = bmMask.bmHeight / 2;
 201             data->planes = 1;
 202             data->bpp    = 1;
 203         }
 204         else
 205         {
 206             data->width  = bmColour.bmWidth;
 207             data->height = bmColour.bmHeight;
 208             data->planes = bmColour.bmPlanes;
 209             data->bpp    = bmColour.bmBitsPixel;
 210             buffer += cbMaskBits;
 211             GetBitmapBits(iconinfo.hbmColor, cbColourBits, buffer);
 212             DeleteObject(iconinfo.hbmColor);
 213         }
 214         DeleteObject(iconinfo.hbmMask);
 215     }
 216
 217 noicon:
 218     data->hWnd   = HandleToLong( nid->hWnd );
 219     data->uID    = nid->uID;
 220     data->uFlags = nid->uFlags;
 221     if (data->uFlags & NIF_MESSAGE)
 222         data->uCallbackMessage = nid->uCallbackMessage;
 223     if (data->uFlags & NIF_TIP)
 224         lstrcpynW( data->szTip, nid->szTip, ARRAY_SIZE(data->szTip));
 225     if (data->uFlags & NIF_STATE)
 226     {
 227         data->dwState     = nid->dwState;
 228         data->dwStateMask = nid->dwStateMask;
 229     }
 230     if (data->uFlags & NIF_INFO)
 231     {
 232         lstrcpynW( data->szInfo, nid->szInfo, ARRAY_SIZE(data->szInfo) );
 233         lstrcpynW( data->szInfoTitle, nid->szInfoTitle, ARRAY_SIZE(data->szInfoTitle));
 234         data->u.uTimeout  = nid->u.uTimeout;
 235         data->dwInfoFlags = nid->dwInfoFlags;
 236     }
 237     if (data->uFlags & NIF_GUID)
 238         data->guidItem = nid->guidItem;
 239     if (dwMessage == NIM_SETVERSION)
 240         data->u.uVersion = nid->u.uVersion;
 241     /* FIXME: balloon icon */
 242
 243     cds.lpData = data;
 244     ret = SendMessageW(tray, WM_COPYDATA, (WPARAM)nid->hWnd, (LPARAM)&cds);
 245     if (data != &data_buffer) heap_free( data );
 246     return ret;
 247 }
 248
 249 /*************************************************************************
 250  * Shell_NotifyIconGetRect              [SHELL32.@]
 251  */
 252 HRESULT WINAPI Shell_NotifyIconGetRect(const NOTIFYICONIDENTIFIER* identifier, RECT* icon_location)
 253 {
 254     FIXME("stub (%p) (%p)\n", identifier, icon_location);
 255     return E_NOTIMPL;
 256 }