149 lines
4.6 KiB
C
149 lines
4.6 KiB
C
/*
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* Window related functions
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*
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* Copyright 1993, 1994 Alexandre Julliard
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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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#if 0
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#pragma makedep unix
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#endif
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#include "ntstatus.h"
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#define WIN32_NO_STATUS
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#include "win32u_private.h"
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#include "wine/server.h"
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/***********************************************************************
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* NtUserGetProp (win32u.@)
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*
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* NOTE Native allows only ATOMs as the second argument. We allow strings
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* to save extra server call in GetPropW.
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*/
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HANDLE WINAPI NtUserGetProp( HWND hwnd, const WCHAR *str )
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{
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ULONG_PTR ret = 0;
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SERVER_START_REQ( get_window_property )
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{
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req->window = wine_server_user_handle( hwnd );
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if (IS_INTRESOURCE(str)) req->atom = LOWORD(str);
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else wine_server_add_data( req, str, lstrlenW(str) * sizeof(WCHAR) );
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if (!wine_server_call_err( req )) ret = reply->data;
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}
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SERVER_END_REQ;
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return (HANDLE)ret;
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}
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/*****************************************************************************
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* NtUserSetProp (win32u.@)
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*
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* NOTE Native allows only ATOMs as the second argument. We allow strings
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* to save extra server call in SetPropW.
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*/
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BOOL WINAPI NtUserSetProp( HWND hwnd, const WCHAR *str, HANDLE handle )
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{
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BOOL ret;
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SERVER_START_REQ( set_window_property )
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{
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req->window = wine_server_user_handle( hwnd );
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req->data = (ULONG_PTR)handle;
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if (IS_INTRESOURCE(str)) req->atom = LOWORD(str);
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else wine_server_add_data( req, str, lstrlenW(str) * sizeof(WCHAR) );
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ret = !wine_server_call_err( req );
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}
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SERVER_END_REQ;
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return ret;
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}
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/***********************************************************************
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* NtUserRemoveProp (win32u.@)
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*
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* NOTE Native allows only ATOMs as the second argument. We allow strings
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* to save extra server call in RemovePropW.
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*/
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HANDLE WINAPI NtUserRemoveProp( HWND hwnd, const WCHAR *str )
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{
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ULONG_PTR ret = 0;
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SERVER_START_REQ( remove_window_property )
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{
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req->window = wine_server_user_handle( hwnd );
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if (IS_INTRESOURCE(str)) req->atom = LOWORD(str);
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else wine_server_add_data( req, str, lstrlenW(str) * sizeof(WCHAR) );
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if (!wine_server_call_err( req )) ret = reply->data;
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}
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SERVER_END_REQ;
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return (HANDLE)ret;
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}
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/*****************************************************************************
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* NtUserGetLayeredWindowAttributes (win32u.@)
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*/
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BOOL WINAPI NtUserGetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags )
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{
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BOOL ret;
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SERVER_START_REQ( get_window_layered_info )
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{
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req->handle = wine_server_user_handle( hwnd );
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if ((ret = !wine_server_call_err( req )))
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{
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if (key) *key = reply->color_key;
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if (alpha) *alpha = reply->alpha;
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if (flags) *flags = reply->flags;
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}
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}
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SERVER_END_REQ;
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return ret;
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}
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/*****************************************************************************
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* NtUserBuildHwndList (win32u.@)
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*/
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NTSTATUS WINAPI NtUserBuildHwndList( HDESK desktop, ULONG unk2, ULONG unk3, ULONG unk4,
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ULONG thread_id, ULONG count, HWND *buffer, ULONG *size )
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{
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user_handle_t *list = (user_handle_t *)buffer;
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int i;
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NTSTATUS status;
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SERVER_START_REQ( get_window_children )
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{
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req->desktop = wine_server_obj_handle( desktop );
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req->tid = thread_id;
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if (count) wine_server_set_reply( req, list, (count - 1) * sizeof(user_handle_t) );
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status = wine_server_call( req );
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if (status && status != STATUS_BUFFER_TOO_SMALL) return status;
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*size = reply->count + 1;
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}
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SERVER_END_REQ;
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if (*size > count) return STATUS_BUFFER_TOO_SMALL;
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/* start from the end since HWND is potentially larger than user_handle_t */
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for (i = *size - 2; i >= 0; i--)
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buffer[i] = wine_server_ptr_handle( list[i] );
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buffer[*size - 1] = HWND_BOTTOM;
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return STATUS_SUCCESS;
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}
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