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/*
* SHAppBarMessage implementation
*
* Copyright 2008 Vincent Povirk for CodeWeavers
*
* 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
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "winerror.h"
#include "shellapi.h"
#include "winuser.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(appbar);
struct appbar_data_msg /* platform-independent data */
{
ULONG hWnd;
UINT uCallbackMessage;
UINT uEdge;
RECT rc;
ULONGLONG lParam;
};
struct appbar_cmd
{
ULONG return_map;
DWORD return_process;
struct appbar_data_msg abd;
};
struct appbar_response
{
ULONGLONG result;
struct appbar_data_msg abd;
};
/*************************************************************************
* SHAppBarMessage [SHELL32.@]
*/
UINT_PTR WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
{
struct appbar_cmd command;
struct appbar_response* response;
HANDLE return_map;
LPVOID return_view;
HWND appbarmsg_window;
COPYDATASTRUCT cds;
DWORD_PTR msg_result;
static const WCHAR classname[] = {'W','i','n','e','A','p','p','B','a','r',0};
UINT_PTR ret = 0;
TRACE("msg=%d, data={cb=%d, hwnd=%p}\n", msg, data->cbSize, data->hWnd);
/* These members are message dependent */
switch(msg)
{
case ABM_NEW:
TRACE("callback: %x\n", data->uCallbackMessage);
break;
case ABM_GETAUTOHIDEBAR:
TRACE("edge: %d\n", data->uEdge);
break;
case ABM_QUERYPOS:
case ABM_SETPOS:
TRACE("edge: %d, rc: %s\n", data->uEdge, wine_dbgstr_rect(&data->rc));
break;
case ABM_GETTASKBARPOS:
TRACE("rc: %s\n", wine_dbgstr_rect(&data->rc));
break;
case ABM_SETAUTOHIDEBAR:
TRACE("edge: %d, lParam: %lx\n", data->uEdge, data->lParam);
break;
default:
FIXME("unknown msg: %d\n", msg);
break;
}
if (data->cbSize < sizeof(APPBARDATA))
{
WARN("data at %p is too small\n", data);
return FALSE;
}
command.abd.hWnd = HandleToLong( data->hWnd );
command.abd.uCallbackMessage = data->uCallbackMessage;
command.abd.uEdge = data->uEdge;
command.abd.rc = data->rc;
command.abd.lParam = data->lParam;
return_map = CreateFileMappingW(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, sizeof(struct appbar_response), NULL);
if (return_map == NULL)
{
ERR("couldn't create file mapping\n");
return 0;
}
command.return_map = HandleToUlong( return_map );
command.return_process = GetCurrentProcessId();
appbarmsg_window = FindWindowW(classname, NULL);
if (appbarmsg_window == NULL)
{
ERR("couldn't find appbar window\n");
CloseHandle(return_map);
return 0;
}
cds.dwData = msg;
cds.cbData = sizeof(command);
cds.lpData = &command;
SendMessageTimeoutW(appbarmsg_window, WM_COPYDATA, (WPARAM)data->hWnd, (LPARAM)&cds, SMTO_BLOCK, INFINITE, &msg_result);
return_view = MapViewOfFile(return_map, FILE_MAP_READ, 0, 0, sizeof(struct appbar_response));
if (return_view == NULL)
{
ERR("MapViewOfFile failed\n");
CloseHandle(return_map);
return 0;
}
response = return_view;
ret = response->result;
if (ret)
{
data->hWnd = UlongToHandle( response->abd.hWnd );
data->uCallbackMessage = response->abd.uCallbackMessage;
data->uEdge = response->abd.uEdge;
data->rc = response->abd.rc;
data->lParam = response->abd.lParam;
}
UnmapViewOfFile(return_view);
CloseHandle(return_map);
return ret;
}
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