123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
/*
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* SHAppBarMessage implementation
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*
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* Copyright 2008 Vincent Povirk for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "shellapi.h"
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#include "winuser.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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WINE_DEFAULT_DEBUG_CHANNEL(appbar);
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struct appbar_cmd
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{
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HANDLE return_map;
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DWORD return_process;
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APPBARDATA abd;
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};
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struct appbar_response
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{
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UINT_PTR result;
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APPBARDATA abd;
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};
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/*************************************************************************
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* SHAppBarMessage [SHELL32.@]
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*/
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UINT_PTR WINAPI SHAppBarMessage(DWORD msg, PAPPBARDATA data)
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{
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struct appbar_cmd command;
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struct appbar_response* response;
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HANDLE return_map;
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LPVOID return_view;
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HWND appbarmsg_window;
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COPYDATASTRUCT cds;
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DWORD_PTR msg_result;
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static const WCHAR classname[] = {'W','i','n','e','A','p','p','B','a','r',0};
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UINT_PTR ret = 0;
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TRACE("msg=%d, data={cb=%d, hwnd=%p, callback=%x, edge=%d, rc=%s, lparam=%lx}\n",
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msg, data->cbSize, data->hWnd, data->uCallbackMessage, data->uEdge,
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wine_dbgstr_rect(&data->rc), data->lParam);
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if (data->cbSize < sizeof(APPBARDATA))
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{
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WARN("data at %p is too small\n", data);
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return FALSE;
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}
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command.abd = *data;
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return_map = CreateFileMappingW(INVALID_HANDLE_VALUE, 0, PAGE_READWRITE, 0, sizeof(struct appbar_response), NULL);
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if (return_map == NULL)
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{
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ERR("couldn't create file mapping\n");
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return 0;
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}
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command.return_map = return_map;
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command.return_process = GetCurrentProcessId();
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appbarmsg_window = FindWindowW(classname, NULL);
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if (appbarmsg_window == NULL)
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{
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ERR("couldn't find appbar window\n");
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CloseHandle(return_map);
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return 0;
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}
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cds.dwData = msg;
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cds.cbData = sizeof(command);
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cds.lpData = &command;
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SendMessageTimeoutW(appbarmsg_window, WM_COPYDATA, (WPARAM)data->hWnd, (LPARAM)&cds, SMTO_BLOCK, INFINITE, &msg_result);
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return_view = MapViewOfFile(return_map, FILE_MAP_READ, 0, 0, sizeof(struct appbar_response));
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if (return_view == NULL)
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{
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ERR("MapViewOfFile failed\n");
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CloseHandle(return_map);
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return 0;
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}
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response = (struct appbar_response*)return_view;
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ret = response->result;
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*data = response->abd;
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UnmapViewOfFile(return_view);
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CloseHandle(return_map);
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return ret;
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}
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