Sweden-Number/dlls/shell32/systray.c

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/*
* Systray handling
*
* Copyright 1999 Kai Morich <kai.morich@bigfoot.de>
* Copyright 2004 Mike Hearn, for CodeWeavers
* Copyright 2005 Robert Shearman
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include <stdarg.h>
#include "windef.h"
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#include "winbase.h"
#include "wingdi.h"
#include "winnls.h"
#include "winuser.h"
#include "shellapi.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(systray);
static const WCHAR classname[] = /* Shell_TrayWnd */ {'S','h','e','l','l','_','T','r','a','y','W','n','d','\0'};
/*************************************************************************
* Shell_NotifyIcon [SHELL32.296]
* Shell_NotifyIconA [SHELL32.297]
*/
BOOL WINAPI Shell_NotifyIconA(DWORD dwMessage, PNOTIFYICONDATAA pnid)
{
NOTIFYICONDATAW nidW;
INT cbSize;
/* Validate the cbSize as Windows XP does */
if (pnid->cbSize != NOTIFYICONDATAA_V1_SIZE &&
pnid->cbSize != NOTIFYICONDATAA_V2_SIZE &&
pnid->cbSize != NOTIFYICONDATAA_V3_SIZE &&
pnid->cbSize != sizeof(NOTIFYICONDATAA))
{
WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
pnid->cbSize, NOTIFYICONDATAA_V1_SIZE);
cbSize = NOTIFYICONDATAA_V1_SIZE;
}
else
cbSize = pnid->cbSize;
ZeroMemory(&nidW, sizeof(nidW));
nidW.cbSize = sizeof(nidW);
nidW.hWnd = pnid->hWnd;
nidW.uID = pnid->uID;
nidW.uFlags = pnid->uFlags;
nidW.uCallbackMessage = pnid->uCallbackMessage;
nidW.hIcon = pnid->hIcon;
/* szTip */
if (pnid->uFlags & NIF_TIP)
MultiByteToWideChar(CP_ACP, 0, pnid->szTip, -1, nidW.szTip, sizeof(nidW.szTip)/sizeof(WCHAR));
if (cbSize >= NOTIFYICONDATAA_V2_SIZE)
{
nidW.dwState = pnid->dwState;
nidW.dwStateMask = pnid->dwStateMask;
/* szInfo, szInfoTitle */
if (pnid->uFlags & NIF_INFO)
{
MultiByteToWideChar(CP_ACP, 0, pnid->szInfo, -1, nidW.szInfo, sizeof(nidW.szInfo)/sizeof(WCHAR));
MultiByteToWideChar(CP_ACP, 0, pnid->szInfoTitle, -1, nidW.szInfoTitle, sizeof(nidW.szInfoTitle)/sizeof(WCHAR));
}
nidW.u.uTimeout = pnid->u.uTimeout;
nidW.dwInfoFlags = pnid->dwInfoFlags;
}
if (cbSize >= NOTIFYICONDATAA_V3_SIZE)
nidW.guidItem = pnid->guidItem;
if (cbSize >= sizeof(NOTIFYICONDATAA))
nidW.hBalloonIcon = pnid->hBalloonIcon;
return Shell_NotifyIconW(dwMessage, &nidW);
}
/*************************************************************************
* Shell_NotifyIconW [SHELL32.298]
*/
BOOL WINAPI Shell_NotifyIconW(DWORD dwMessage, PNOTIFYICONDATAW nid)
{
HWND tray;
COPYDATASTRUCT cds;
char *buffer = NULL;
TRACE("dwMessage = %d, nid->cbSize=%d\n", dwMessage, nid->cbSize);
/* Validate the cbSize so that WM_COPYDATA doesn't crash the application */
if (nid->cbSize != NOTIFYICONDATAW_V1_SIZE &&
nid->cbSize != NOTIFYICONDATAW_V2_SIZE &&
nid->cbSize != NOTIFYICONDATAW_V3_SIZE &&
nid->cbSize != sizeof(NOTIFYICONDATAW))
{
NOTIFYICONDATAW newNid;
WARN("Invalid cbSize (%d) - using only Win95 fields (size=%d)\n",
nid->cbSize, NOTIFYICONDATAW_V1_SIZE);
CopyMemory(&newNid, nid, NOTIFYICONDATAW_V1_SIZE);
newNid.cbSize = NOTIFYICONDATAW_V1_SIZE;
return Shell_NotifyIconW(dwMessage, &newNid);
}
tray = FindWindowExW(0, NULL, classname, NULL);
if (!tray) return FALSE;
cds.dwData = dwMessage;
/* FIXME: if statement only needed because we don't support interprocess
* icon handles */
if (nid->uFlags & NIF_ICON)
{
ICONINFO iconinfo;
BITMAP bmMask;
BITMAP bmColour;
LONG cbMaskBits;
LONG cbColourBits;
if (!GetIconInfo(nid->hIcon, &iconinfo))
goto noicon;
if (!GetObjectW(iconinfo.hbmMask, sizeof(bmMask), &bmMask) ||
!GetObjectW(iconinfo.hbmColor, sizeof(bmColour), &bmColour))
{
DeleteObject(iconinfo.hbmMask);
DeleteObject(iconinfo.hbmColor);
goto noicon;
}
cbMaskBits = (bmMask.bmPlanes * bmMask.bmWidth * bmMask.bmHeight * bmMask.bmBitsPixel) / 8;
cbColourBits = (bmColour.bmPlanes * bmColour.bmWidth * bmColour.bmHeight * bmColour.bmBitsPixel) / 8;
cds.cbData = nid->cbSize + 2*sizeof(BITMAP) + cbMaskBits + cbColourBits;
buffer = HeapAlloc(GetProcessHeap(), 0, cds.cbData);
if (!buffer)
{
DeleteObject(iconinfo.hbmMask);
DeleteObject(iconinfo.hbmColor);
return FALSE;
}
cds.lpData = buffer;
memcpy(buffer, nid, nid->cbSize);
buffer += nid->cbSize;
memcpy(buffer, &bmMask, sizeof(bmMask));
buffer += sizeof(bmMask);
memcpy(buffer, &bmColour, sizeof(bmColour));
buffer += sizeof(bmColour);
GetBitmapBits(iconinfo.hbmMask, cbMaskBits, buffer);
buffer += cbMaskBits;
GetBitmapBits(iconinfo.hbmColor, cbColourBits, buffer);
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/* Reset pointer to allocated block so it can be freed later.
* Note that cds.lpData cannot be passed to HeapFree since it
* points to nid when no icon info is found. */
buffer = cds.lpData;
DeleteObject(iconinfo.hbmMask);
DeleteObject(iconinfo.hbmColor);
}
else
{
noicon:
cds.cbData = nid->cbSize;
cds.lpData = nid;
}
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SendMessageW(tray, WM_COPYDATA, (WPARAM)nid->hWnd, (LPARAM)&cds);
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/* FIXME: if statement only needed because we don't support interprocess
* icon handles */
HeapFree(GetProcessHeap(), 0, buffer);
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return TRUE;
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}