2 * Window related functions
4 * Copyright 1993, 1994 Alexandre Julliard
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
22 #include "wine/port.h"
31 #include "wine/server.h"
32 #include "wine/unicode.h"
34 #include "user_private.h"
37 #include "wine/debug.h"
39 WINE_DEFAULT_DEBUG_CHANNEL(win);
41 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
42 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
44 static DWORD process_layout = ~0u;
46 /**********************************************************************/
48 /* helper for Get/SetWindowLong */
49 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
51 if (size == sizeof(WORD))
54 memcpy( &ret, ptr, sizeof(ret) );
57 else if (size == sizeof(DWORD))
60 memcpy( &ret, ptr, sizeof(ret) );
66 memcpy( &ret, ptr, sizeof(ret) );
71 /* helper for Get/SetWindowLong */
72 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
74 if (size == sizeof(WORD))
77 memcpy( ptr, &newval, sizeof(newval) );
79 else if (size == sizeof(DWORD))
82 memcpy( ptr, &newval, sizeof(newval) );
86 memcpy( ptr, &val, sizeof(val) );
91 static void *user_handles[NB_USER_HANDLES];
93 /***********************************************************************
96 HANDLE alloc_user_handle( struct user_object *ptr, enum user_obj_type type )
100 SERVER_START_REQ( alloc_user_handle )
102 if (!wine_server_call_err( req )) handle = wine_server_ptr_handle( reply->handle );
108 UINT index = USER_HANDLE_TO_INDEX( handle );
110 assert( index < NB_USER_HANDLES );
111 ptr->handle = handle;
113 InterlockedExchangePointer( &user_handles[index], ptr );
119 /***********************************************************************
120 * get_user_handle_ptr
122 void *get_user_handle_ptr( HANDLE handle, enum user_obj_type type )
124 struct user_object *ptr;
125 WORD index = USER_HANDLE_TO_INDEX( handle );
127 if (index >= NB_USER_HANDLES) return NULL;
130 if ((ptr = user_handles[index]))
132 if (ptr->type == type &&
133 ((UINT)(UINT_PTR)ptr->handle == (UINT)(UINT_PTR)handle ||
134 !HIWORD(handle) || HIWORD(handle) == 0xffff))
138 else ptr = OBJ_OTHER_PROCESS;
144 /***********************************************************************
145 * release_user_handle_ptr
147 void release_user_handle_ptr( void *ptr )
149 assert( ptr && ptr != OBJ_OTHER_PROCESS );
154 /***********************************************************************
157 void *free_user_handle( HANDLE handle, enum user_obj_type type )
159 struct user_object *ptr;
160 WORD index = USER_HANDLE_TO_INDEX( handle );
162 if ((ptr = get_user_handle_ptr( handle, type )) && ptr != OBJ_OTHER_PROCESS)
164 SERVER_START_REQ( free_user_handle )
166 req->handle = wine_server_user_handle( handle );
167 if (wine_server_call( req )) ptr = NULL;
168 else InterlockedCompareExchangePointer( &user_handles[index], NULL, ptr );
171 release_user_handle_ptr( ptr );
177 /***********************************************************************
178 * create_window_handle
180 * Create a window handle with the server.
182 static WND *create_window_handle( HWND parent, HWND owner, LPCWSTR name,
183 HINSTANCE instance, BOOL unicode )
187 HWND handle = 0, full_parent = 0, full_owner = 0;
188 struct tagCLASS *class = NULL;
191 SERVER_START_REQ( create_window )
193 req->parent = wine_server_user_handle( parent );
194 req->owner = wine_server_user_handle( owner );
195 req->instance = wine_server_client_ptr( instance );
196 if (!(req->atom = get_int_atom_value( name )) && name)
197 wine_server_add_data( req, name, strlenW(name)*sizeof(WCHAR) );
198 if (!wine_server_call_err( req ))
200 handle = wine_server_ptr_handle( reply->handle );
201 full_parent = wine_server_ptr_handle( reply->parent );
202 full_owner = wine_server_ptr_handle( reply->owner );
203 extra_bytes = reply->extra;
204 class = wine_server_get_ptr( reply->class_ptr );
211 WARN( "error %d creating window\n", GetLastError() );
215 if (!(win = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
216 sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
218 SERVER_START_REQ( destroy_window )
220 req->handle = wine_server_user_handle( handle );
221 wine_server_call( req );
224 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
228 if (!parent) /* if parent is 0 we don't have a desktop window yet */
230 struct user_thread_info *thread_info = get_user_thread_info();
232 if (name == (LPCWSTR)DESKTOP_CLASS_ATOM)
234 if (!thread_info->top_window) thread_info->top_window = full_parent ? full_parent : handle;
235 else assert( full_parent == thread_info->top_window );
236 if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
237 ERR( "failed to create desktop window\n" );
239 else /* HWND_MESSAGE parent */
241 if (!thread_info->msg_window && !full_parent) thread_info->msg_window = handle;
247 index = USER_HANDLE_TO_INDEX(handle);
248 assert( index < NB_USER_HANDLES );
249 win->obj.handle = handle;
250 win->obj.type = USER_WINDOW;
251 win->parent = full_parent;
252 win->owner = full_owner;
254 win->winproc = get_class_winproc( class );
255 win->cbWndExtra = extra_bytes;
256 InterlockedExchangePointer( &user_handles[index], win );
257 if (WINPROC_IsUnicode( win->winproc, unicode )) win->flags |= WIN_ISUNICODE;
262 /***********************************************************************
265 * Free a window handle.
267 static void free_window_handle( HWND hwnd )
269 struct user_object *ptr;
270 WORD index = USER_HANDLE_TO_INDEX(hwnd);
272 if ((ptr = get_user_handle_ptr( hwnd, USER_WINDOW )) && ptr != OBJ_OTHER_PROCESS)
274 SERVER_START_REQ( destroy_window )
276 req->handle = wine_server_user_handle( hwnd );
277 if (wine_server_call_err( req )) ptr = NULL;
278 else InterlockedCompareExchangePointer( &user_handles[index], NULL, ptr );
281 release_user_handle_ptr( ptr );
282 HeapFree( GetProcessHeap(), 0, ptr );
287 /*******************************************************************
288 * list_window_children
290 * Build an array of the children of a given window. The array must be
291 * freed with HeapFree. Returns NULL when no windows are found.
293 static HWND *list_window_children( HDESK desktop, HWND hwnd, LPCWSTR class, DWORD tid )
297 ATOM atom = get_int_atom_value( class );
299 /* empty class is not the same as NULL class */
300 if (!atom && class && !class[0]) return NULL;
306 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
308 SERVER_START_REQ( get_window_children )
310 req->desktop = wine_server_obj_handle( desktop );
311 req->parent = wine_server_user_handle( hwnd );
314 if (!atom && class) wine_server_add_data( req, class, strlenW(class)*sizeof(WCHAR) );
315 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
316 if (!wine_server_call( req )) count = reply->count;
319 if (count && count < size)
321 /* start from the end since HWND is potentially larger than user_handle_t */
322 for (i = count - 1; i >= 0; i--)
323 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
327 HeapFree( GetProcessHeap(), 0, list );
329 size = count + 1; /* restart with a large enough buffer */
335 /*******************************************************************
336 * list_window_parents
338 * Build an array of all parents of a given window, starting with
339 * the immediate parent. The array must be freed with HeapFree.
341 static HWND *list_window_parents( HWND hwnd )
345 int i, pos = 0, size = 16, count = 0;
347 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
352 if (!(win = WIN_GetPtr( current ))) goto empty;
353 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
354 if (win == WND_DESKTOP)
356 if (!pos) goto empty;
360 list[pos] = current = win->parent;
361 WIN_ReleasePtr( win );
362 if (!current) return list;
363 if (++pos == size - 1)
365 /* need to grow the list */
366 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
367 if (!new_list) goto empty;
373 /* at least one parent belongs to another process, have to query the server */
378 SERVER_START_REQ( get_window_parents )
380 req->handle = wine_server_user_handle( hwnd );
381 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
382 if (!wine_server_call( req )) count = reply->count;
385 if (!count) goto empty;
388 /* start from the end since HWND is potentially larger than user_handle_t */
389 for (i = count - 1; i >= 0; i--)
390 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
394 HeapFree( GetProcessHeap(), 0, list );
396 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
400 HeapFree( GetProcessHeap(), 0, list );
405 /*******************************************************************
408 static void send_parent_notify( HWND hwnd, UINT msg )
410 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
411 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
413 HWND parent = GetParent(hwnd);
414 if (parent && parent != GetDesktopWindow())
415 SendMessageW( parent, WM_PARENTNOTIFY,
416 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
421 /*******************************************************************
422 * get_server_window_text
424 * Retrieve the window text from the server.
426 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
430 SERVER_START_REQ( get_window_text )
432 req->handle = wine_server_user_handle( hwnd );
433 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
434 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
437 text[len / sizeof(WCHAR)] = 0;
441 /*******************************************************************
442 * get_hwnd_message_parent
444 * Return the parent for HWND_MESSAGE windows.
446 HWND get_hwnd_message_parent(void)
448 struct user_thread_info *thread_info = get_user_thread_info();
450 if (!thread_info->msg_window) GetDesktopWindow(); /* trigger creation */
451 return thread_info->msg_window;
455 /*******************************************************************
458 * Check if window is the desktop or the HWND_MESSAGE top parent.
460 BOOL is_desktop_window( HWND hwnd )
462 struct user_thread_info *thread_info = get_user_thread_info();
464 if (!hwnd) return FALSE;
465 if (hwnd == thread_info->top_window) return TRUE;
466 if (hwnd == thread_info->msg_window) return TRUE;
468 if (!HIWORD(hwnd) || HIWORD(hwnd) == 0xffff)
470 if (LOWORD(thread_info->top_window) == LOWORD(hwnd)) return TRUE;
471 if (LOWORD(thread_info->msg_window) == LOWORD(hwnd)) return TRUE;
477 /***********************************************************************
480 * Return a pointer to the WND structure if local to the process,
481 * or WND_OTHER_PROCESS if handle may be valid in other process.
482 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
484 WND *WIN_GetPtr( HWND hwnd )
488 if ((ptr = get_user_handle_ptr( hwnd, USER_WINDOW )) == WND_OTHER_PROCESS)
490 if (is_desktop_window( hwnd )) ptr = WND_DESKTOP;
496 /***********************************************************************
497 * WIN_IsCurrentProcess
499 * Check whether a given window belongs to the current process (and return the full handle).
501 HWND WIN_IsCurrentProcess( HWND hwnd )
506 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
507 ret = ptr->obj.handle;
508 WIN_ReleasePtr( ptr );
513 /***********************************************************************
514 * WIN_IsCurrentThread
516 * Check whether a given window belongs to the current thread (and return the full handle).
518 HWND WIN_IsCurrentThread( HWND hwnd )
523 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
524 if (ptr->tid == GetCurrentThreadId()) ret = ptr->obj.handle;
525 WIN_ReleasePtr( ptr );
530 /***********************************************************************
533 * Convert a possibly truncated window handle to a full 32-bit handle.
535 HWND WIN_GetFullHandle( HWND hwnd )
539 if (!hwnd || (ULONG_PTR)hwnd >> 16) return hwnd;
540 if (LOWORD(hwnd) <= 1 || LOWORD(hwnd) == 0xffff) return hwnd;
541 /* do sign extension for -2 and -3 */
542 if (LOWORD(hwnd) >= (WORD)-3) return (HWND)(LONG_PTR)(INT16)LOWORD(hwnd);
544 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
546 if (ptr == WND_DESKTOP)
548 if (LOWORD(hwnd) == LOWORD(GetDesktopWindow())) return GetDesktopWindow();
549 else return get_hwnd_message_parent();
552 if (ptr != WND_OTHER_PROCESS)
554 hwnd = ptr->obj.handle;
555 WIN_ReleasePtr( ptr );
557 else /* may belong to another process */
559 SERVER_START_REQ( get_window_info )
561 req->handle = wine_server_user_handle( hwnd );
562 if (!wine_server_call_err( req )) hwnd = wine_server_ptr_handle( reply->full_handle );
570 /***********************************************************************
573 * Change the owner of a window.
575 HWND WIN_SetOwner( HWND hwnd, HWND owner )
577 WND *win = WIN_GetPtr( hwnd );
580 if (!win || win == WND_DESKTOP) return 0;
581 if (win == WND_OTHER_PROCESS)
583 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
586 SERVER_START_REQ( set_window_owner )
588 req->handle = wine_server_user_handle( hwnd );
589 req->owner = wine_server_user_handle( owner );
590 if (!wine_server_call( req ))
592 win->owner = wine_server_ptr_handle( reply->full_owner );
593 ret = wine_server_ptr_handle( reply->prev_owner );
597 WIN_ReleasePtr( win );
602 /***********************************************************************
605 * Change the style of a window.
607 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
611 WND *win = WIN_GetPtr( hwnd );
613 if (!win || win == WND_DESKTOP) return 0;
614 if (win == WND_OTHER_PROCESS)
617 ERR( "cannot set style %x/%x on other process window %p\n",
618 set_bits, clear_bits, hwnd );
621 style.styleOld = win->dwStyle;
622 style.styleNew = (win->dwStyle | set_bits) & ~clear_bits;
623 if (style.styleNew == style.styleOld)
625 WIN_ReleasePtr( win );
626 return style.styleNew;
628 SERVER_START_REQ( set_window_info )
630 req->handle = wine_server_user_handle( hwnd );
631 req->flags = SET_WIN_STYLE;
632 req->style = style.styleNew;
633 req->extra_offset = -1;
634 if ((ok = !wine_server_call( req )))
636 style.styleOld = reply->old_style;
637 win->dwStyle = style.styleNew;
641 WIN_ReleasePtr( win );
644 USER_Driver->pSetWindowStyle( hwnd, GWL_STYLE, &style );
645 if ((style.styleOld ^ style.styleNew) & WS_VISIBLE) invalidate_dce( hwnd, NULL );
647 return style.styleOld;
651 /***********************************************************************
654 * Get the window and client rectangles.
656 BOOL WIN_GetRectangles( HWND hwnd, enum coords_relative relative, RECT *rectWindow, RECT *rectClient )
658 WND *win = WIN_GetPtr( hwnd );
663 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
666 if (win == WND_DESKTOP)
669 rect.left = rect.top = 0;
670 if (hwnd == get_hwnd_message_parent())
677 rect.right = GetSystemMetrics(SM_CXSCREEN);
678 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
680 if (rectWindow) *rectWindow = rect;
681 if (rectClient) *rectClient = rect;
684 if (win != WND_OTHER_PROCESS)
686 RECT window_rect = win->rectWindow, client_rect = win->rectClient;
691 OffsetRect( &window_rect, -win->rectClient.left, -win->rectClient.top );
692 OffsetRect( &client_rect, -win->rectClient.left, -win->rectClient.top );
693 if (win->dwExStyle & WS_EX_LAYOUTRTL)
694 mirror_rect( &win->rectClient, &window_rect );
697 OffsetRect( &window_rect, -win->rectWindow.left, -win->rectWindow.top );
698 OffsetRect( &client_rect, -win->rectWindow.left, -win->rectWindow.top );
699 if (win->dwExStyle & WS_EX_LAYOUTRTL)
700 mirror_rect( &win->rectWindow, &client_rect );
705 WND *parent = WIN_GetPtr( win->parent );
706 if (parent == WND_DESKTOP) break;
707 if (!parent || parent == WND_OTHER_PROCESS)
709 WIN_ReleasePtr( win );
712 if (parent->flags & WIN_CHILDREN_MOVED)
714 WIN_ReleasePtr( parent );
715 WIN_ReleasePtr( win );
718 if (parent->dwExStyle & WS_EX_LAYOUTRTL)
720 mirror_rect( &parent->rectClient, &window_rect );
721 mirror_rect( &parent->rectClient, &client_rect );
723 WIN_ReleasePtr( parent );
729 WND *parent = WIN_GetPtr( win->parent );
730 if (parent == WND_DESKTOP) break;
731 if (!parent || parent == WND_OTHER_PROCESS)
733 WIN_ReleasePtr( win );
736 WIN_ReleasePtr( win );
737 if (parent->flags & WIN_CHILDREN_MOVED)
739 WIN_ReleasePtr( parent );
745 OffsetRect( &window_rect, win->rectClient.left, win->rectClient.top );
746 OffsetRect( &client_rect, win->rectClient.left, win->rectClient.top );
751 if (rectWindow) *rectWindow = window_rect;
752 if (rectClient) *rectClient = client_rect;
753 WIN_ReleasePtr( win );
758 SERVER_START_REQ( get_window_rectangles )
760 req->handle = wine_server_user_handle( hwnd );
761 req->relative = relative;
762 if ((ret = !wine_server_call_err( req )))
766 rectWindow->left = reply->window.left;
767 rectWindow->top = reply->window.top;
768 rectWindow->right = reply->window.right;
769 rectWindow->bottom = reply->window.bottom;
773 rectClient->left = reply->client.left;
774 rectClient->top = reply->client.top;
775 rectClient->right = reply->client.right;
776 rectClient->bottom = reply->client.bottom;
785 /***********************************************************************
788 * Destroy storage associated to a window. "Internals" p.358
790 LRESULT WIN_DestroyWindow( HWND hwnd )
794 HMENU menu = 0, sys_menu;
797 TRACE("%p\n", hwnd );
799 /* free child windows */
800 if ((list = WIN_ListChildren( hwnd )))
803 for (i = 0; list[i]; i++)
805 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
806 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
808 HeapFree( GetProcessHeap(), 0, list );
811 /* Unlink now so we won't bother with the children later on */
812 SERVER_START_REQ( set_parent )
814 req->handle = wine_server_user_handle( hwnd );
816 wine_server_call( req );
821 * Send the WM_NCDESTROY to the window being destroyed.
823 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
825 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
827 /* free resources associated with the window */
829 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
830 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
831 menu = (HMENU)wndPtr->wIDmenu;
832 sys_menu = wndPtr->hSysMenu;
833 free_dce( wndPtr->dce, hwnd );
835 icon_title = wndPtr->icon_title;
836 HeapFree( GetProcessHeap(), 0, wndPtr->text );
838 HeapFree( GetProcessHeap(), 0, wndPtr->pScroll );
839 wndPtr->pScroll = NULL;
840 WIN_ReleasePtr( wndPtr );
842 if (icon_title) DestroyWindow( icon_title );
843 if (menu) DestroyMenu( menu );
844 if (sys_menu) DestroyMenu( sys_menu );
846 USER_Driver->pDestroyWindow( hwnd );
848 free_window_handle( hwnd );
853 /***********************************************************************
854 * destroy_thread_window
856 * Destroy a window upon exit of its thread.
858 static void destroy_thread_window( HWND hwnd )
862 HMENU menu = 0, sys_menu = 0;
865 /* free child windows */
867 if ((list = WIN_ListChildren( hwnd )))
870 for (i = 0; list[i]; i++)
872 if (WIN_IsCurrentThread( list[i] )) destroy_thread_window( list[i] );
873 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
875 HeapFree( GetProcessHeap(), 0, list );
878 /* destroy the client-side storage */
880 index = USER_HANDLE_TO_INDEX(hwnd);
881 if (index >= NB_USER_HANDLES) return;
883 if ((wndPtr = user_handles[index]))
885 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD) menu = (HMENU)wndPtr->wIDmenu;
886 sys_menu = wndPtr->hSysMenu;
887 free_dce( wndPtr->dce, hwnd );
888 InterlockedCompareExchangePointer( &user_handles[index], NULL, wndPtr );
892 HeapFree( GetProcessHeap(), 0, wndPtr );
893 if (menu) DestroyMenu( menu );
894 if (sys_menu) DestroyMenu( sys_menu );
898 /***********************************************************************
899 * destroy_thread_child_windows
901 * Destroy child windows upon exit of its thread.
903 static void destroy_thread_child_windows( HWND hwnd )
908 if (WIN_IsCurrentThread( hwnd ))
910 destroy_thread_window( hwnd );
912 else if ((list = WIN_ListChildren( hwnd )))
914 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
915 HeapFree( GetProcessHeap(), 0, list );
920 /***********************************************************************
921 * WIN_DestroyThreadWindows
923 * Destroy all children of 'wnd' owned by the current thread.
925 void WIN_DestroyThreadWindows( HWND hwnd )
930 if (!(list = WIN_ListChildren( hwnd ))) return;
932 /* reset owners of top-level windows */
933 for (i = 0; list[i]; i++)
935 if (!WIN_IsCurrentThread( list[i] ))
937 HWND owner = GetWindow( list[i], GW_OWNER );
938 if (owner && WIN_IsCurrentThread( owner )) WIN_SetOwner( list[i], 0 );
942 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
943 HeapFree( GetProcessHeap(), 0, list );
947 /***********************************************************************
950 * Fix the coordinates - Helper for WIN_CreateWindowEx.
951 * returns default show mode in sw.
953 static void WIN_FixCoordinates( CREATESTRUCTW *cs, INT *sw)
955 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == (SHORT)0x8000)
958 if (cs->dwExStyle & WS_EX_MDICHILD)
962 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
963 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
965 TRACE("MDI child id %04x\n", id);
968 if (cs->style & (WS_CHILD | WS_POPUP))
970 if (cs->dwExStyle & WS_EX_MDICHILD)
972 if (IS_DEFAULT(cs->x))
977 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
978 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
982 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
983 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
986 else /* overlapped window */
989 MONITORINFO mon_info;
992 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
994 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
995 mon_info.cbSize = sizeof(mon_info);
996 GetMonitorInfoW( monitor, &mon_info );
997 GetStartupInfoW( &info );
999 if (IS_DEFAULT(cs->x))
1001 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
1002 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
1003 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
1006 if (IS_DEFAULT(cs->cx))
1008 if (info.dwFlags & STARTF_USESIZE)
1010 cs->cx = info.dwXSize;
1011 cs->cy = info.dwYSize;
1015 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
1016 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
1019 /* neither x nor cx are default. Check the y values .
1020 * In the trace we see Outlook and Outlook Express using
1021 * cy set to CW_USEDEFAULT when opening the address book.
1023 else if (IS_DEFAULT(cs->cy))
1025 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
1026 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
1032 /***********************************************************************
1033 * dump_window_styles
1035 static void dump_window_styles( DWORD style, DWORD exstyle )
1038 if(style & WS_POPUP) TRACE(" WS_POPUP");
1039 if(style & WS_CHILD) TRACE(" WS_CHILD");
1040 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
1041 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
1042 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
1043 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
1044 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
1045 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
1046 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
1049 if(style & WS_BORDER) TRACE(" WS_BORDER");
1050 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
1052 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
1053 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
1054 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
1055 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
1056 if (style & WS_CHILD)
1058 if(style & WS_GROUP) TRACE(" WS_GROUP");
1059 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
1063 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
1064 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
1067 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
1068 #define DUMPED_STYLES \
1088 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
1090 #undef DUMPED_STYLES
1092 TRACE( "exstyle:" );
1093 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
1094 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
1095 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
1096 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
1097 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
1098 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
1099 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
1100 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
1101 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
1102 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
1103 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
1104 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
1105 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
1106 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
1107 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
1108 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
1109 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
1110 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
1111 if(exstyle & WS_EX_LAYOUTRTL) TRACE(" WS_EX_LAYOUTRTL");
1113 #define DUMPED_EX_STYLES \
1114 (WS_EX_DLGMODALFRAME | \
1115 WS_EX_DRAGDETECT | \
1116 WS_EX_NOPARENTNOTIFY | \
1118 WS_EX_ACCEPTFILES | \
1119 WS_EX_TRANSPARENT | \
1121 WS_EX_TOOLWINDOW | \
1122 WS_EX_WINDOWEDGE | \
1123 WS_EX_CLIENTEDGE | \
1124 WS_EX_CONTEXTHELP | \
1126 WS_EX_RTLREADING | \
1127 WS_EX_LEFTSCROLLBAR | \
1128 WS_EX_CONTROLPARENT | \
1129 WS_EX_STATICEDGE | \
1134 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
1136 #undef DUMPED_EX_STYLES
1140 /***********************************************************************
1141 * WIN_CreateWindowEx
1143 * Implementation of CreateWindowEx().
1145 HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode )
1147 INT cx, cy, style, sw = SW_SHOW;
1151 HWND hwnd, parent, owner, top_child = 0;
1152 MDICREATESTRUCTW mdi_cs;
1153 CBT_CREATEWNDW cbtc;
1156 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
1157 unicode ? debugstr_w(cs->lpszName) : debugstr_a((LPCSTR)cs->lpszName),
1158 debugstr_w(className),
1159 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
1160 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
1161 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
1163 /* Fix the styles for MDI children */
1164 if (cs->dwExStyle & WS_EX_MDICHILD)
1168 wndPtr = WIN_GetPtr(cs->hwndParent);
1169 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
1171 flags = wndPtr->flags;
1172 WIN_ReleasePtr(wndPtr);
1175 if (!(flags & WIN_ISMDICLIENT))
1177 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
1181 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
1182 * MDICREATESTRUCT members have the originally passed values.
1184 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
1185 * have the same layout.
1187 mdi_cs.szClass = cs->lpszClass;
1188 mdi_cs.szTitle = cs->lpszName;
1189 mdi_cs.hOwner = cs->hInstance;
1194 mdi_cs.style = cs->style;
1195 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
1197 cs->lpCreateParams = &mdi_cs;
1199 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
1201 if (cs->style & WS_POPUP)
1203 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
1206 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
1210 cs->style &= ~WS_POPUP;
1211 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
1212 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
1215 top_child = GetWindow(cs->hwndParent, GW_CHILD);
1219 /* Restore current maximized child */
1220 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
1222 TRACE("Restoring current maximized child %p\n", top_child);
1223 if (cs->style & WS_MAXIMIZE)
1225 /* if the new window is maximized don't bother repainting */
1226 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
1227 ShowWindow( top_child, SW_SHOWNORMAL );
1228 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
1230 else ShowWindow( top_child, SW_SHOWNORMAL );
1235 /* Find the parent window */
1237 parent = cs->hwndParent;
1240 if (cs->hwndParent == HWND_MESSAGE)
1242 cs->hwndParent = parent = get_hwnd_message_parent();
1244 else if (cs->hwndParent)
1246 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
1248 parent = GetDesktopWindow();
1249 owner = cs->hwndParent;
1253 DWORD parent_style = GetWindowLongW( parent, GWL_EXSTYLE );
1254 if ((parent_style & WS_EX_LAYOUTRTL) && !(parent_style & WS_EX_NOINHERITLAYOUT))
1255 cs->dwExStyle |= WS_EX_LAYOUTRTL;
1260 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
1262 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1264 WARN("No parent for child window\n" );
1265 SetLastError(ERROR_TLW_WITH_WSCHILD);
1266 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1268 /* are we creating the desktop or HWND_MESSAGE parent itself? */
1269 if (className != (LPCWSTR)DESKTOP_CLASS_ATOM &&
1270 (IS_INTRESOURCE(className) || strcmpiW( className, messageW )))
1273 GetProcessDefaultLayout( &layout );
1274 if (layout & LAYOUT_RTL) cs->dwExStyle |= WS_EX_LAYOUTRTL;
1275 parent = GetDesktopWindow();
1279 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1281 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1282 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1283 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1284 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1286 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1288 /* Create the window structure */
1290 if (!(wndPtr = create_window_handle( parent, owner, className, module, unicode )))
1292 hwnd = wndPtr->obj.handle;
1294 /* Fill the window structure */
1296 wndPtr->tid = GetCurrentThreadId();
1297 wndPtr->hInstance = cs->hInstance;
1298 wndPtr->text = NULL;
1299 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1300 wndPtr->dwExStyle = cs->dwExStyle;
1301 wndPtr->wIDmenu = 0;
1302 wndPtr->helpContext = 0;
1303 wndPtr->pScroll = NULL;
1304 wndPtr->userdata = 0;
1306 wndPtr->hIconSmall = 0;
1307 wndPtr->hSysMenu = 0;
1309 wndPtr->min_pos.x = wndPtr->min_pos.y = -1;
1310 wndPtr->max_pos.x = wndPtr->max_pos.y = -1;
1312 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1315 * Correct the window styles.
1317 * It affects only the style loaded into the WIN structure.
1320 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1322 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1323 if (!(wndPtr->dwStyle & WS_POPUP))
1324 wndPtr->dwStyle |= WS_CAPTION;
1328 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1329 * why does the user get to set it?
1332 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1333 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1334 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1336 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1338 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1339 wndPtr->flags |= WIN_NEED_SIZE;
1341 SERVER_START_REQ( set_window_info )
1343 req->handle = wine_server_user_handle( hwnd );
1344 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1345 req->style = wndPtr->dwStyle;
1346 req->ex_style = wndPtr->dwExStyle;
1347 req->instance = wine_server_client_ptr( wndPtr->hInstance );
1348 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1349 req->extra_offset = -1;
1350 wine_server_call( req );
1354 /* Set the window menu */
1356 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1360 if (!MENU_SetMenu(hwnd, cs->hMenu))
1362 WIN_ReleasePtr( wndPtr );
1363 free_window_handle( hwnd );
1369 LPCWSTR menuName = (LPCWSTR)GetClassLongPtrW( hwnd, GCLP_MENUNAME );
1372 cs->hMenu = LoadMenuW( cs->hInstance, menuName );
1373 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1377 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1379 /* call the WH_CBT hook */
1381 /* the window style passed to the hook must be the real window style,
1382 * rather than just the window style that the caller to CreateWindowEx
1383 * passed in, so we have to copy the original CREATESTRUCT and get the
1384 * the real style. */
1386 cbcs.style = wndPtr->dwStyle;
1388 cbtc.hwndInsertAfter = HWND_TOP;
1389 WIN_ReleasePtr( wndPtr );
1390 if (HOOK_CallHooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc, unicode )) goto failed;
1392 /* send the WM_GETMINMAXINFO message and fix the size if needed */
1396 if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD)))
1398 POINT maxSize, maxPos, minTrack, maxTrack;
1399 WINPOS_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack);
1400 if (maxTrack.x < cx) cx = maxTrack.x;
1401 if (maxTrack.y < cy) cy = maxTrack.y;
1402 if (minTrack.x > cx) cx = minTrack.x;
1403 if (minTrack.y > cy) cy = minTrack.y;
1408 SetRect( &rect, cs->x, cs->y, cs->x + cx, cs->y + cy );
1409 /* check for wraparound */
1410 if (cs->x + cx < cs->x) rect.right = 0x7fffffff;
1411 if (cs->y + cy < cs->y) rect.bottom = 0x7fffffff;
1412 if (!set_window_pos( hwnd, 0, SWP_NOZORDER | SWP_NOACTIVATE, &rect, &rect, NULL )) goto failed;
1414 /* send WM_NCCREATE */
1416 TRACE( "hwnd %p cs %d,%d %dx%d\n", hwnd, cs->x, cs->y, cx, cy );
1418 result = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1420 result = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1423 WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
1427 /* send WM_NCCALCSIZE */
1429 if (WIN_GetRectangles( hwnd, COORDS_PARENT, &rect, NULL ))
1431 /* yes, even if the CBT hook was called with HWND_TOP */
1432 HWND insert_after = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
1433 RECT client_rect = rect;
1435 /* the rectangle is in screen coords for WM_NCCALCSIZE when wparam is FALSE */
1436 MapWindowPoints( parent, 0, (POINT *)&client_rect, 2 );
1437 SendMessageW( hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&client_rect );
1438 MapWindowPoints( 0, parent, (POINT *)&client_rect, 2 );
1439 set_window_pos( hwnd, insert_after, SWP_NOACTIVATE, &rect, &client_rect, NULL );
1443 /* send WM_CREATE */
1446 result = SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs );
1448 result = SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs );
1449 if (result == -1) goto failed;
1451 /* call the driver */
1453 if (!USER_Driver->pCreateWindow( hwnd )) goto failed;
1455 NotifyWinEvent(EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0);
1457 /* send the size messages */
1459 if (!(wndPtr = WIN_GetPtr( hwnd )) ||
1460 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
1461 if (!(wndPtr->flags & WIN_NEED_SIZE))
1463 WIN_ReleasePtr( wndPtr );
1464 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &rect );
1465 SendMessageW( hwnd, WM_SIZE, SIZE_RESTORED,
1466 MAKELONG(rect.right-rect.left, rect.bottom-rect.top));
1467 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( rect.left, rect.top ) );
1469 else WIN_ReleasePtr( wndPtr );
1471 /* Show the window, maximizing or minimizing if needed */
1473 style = WIN_SetStyle( hwnd, 0, WS_MAXIMIZE | WS_MINIMIZE );
1474 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1477 UINT swFlag = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
1479 swFlag = WINPOS_MinMaximize( hwnd, swFlag, &newPos );
1480 swFlag |= SWP_FRAMECHANGED; /* Frame always gets changed */
1481 if (!(style & WS_VISIBLE) || (style & WS_CHILD) || GetActiveWindow()) swFlag |= SWP_NOACTIVATE;
1482 SetWindowPos( hwnd, 0, newPos.left, newPos.top, newPos.right - newPos.left,
1483 newPos.bottom - newPos.top, swFlag );
1486 /* Notify the parent window only */
1488 send_parent_notify( hwnd, WM_CREATE );
1489 if (!IsWindow( hwnd )) return 0;
1491 if (cs->style & WS_VISIBLE)
1493 if (cs->style & WS_MAXIMIZE)
1495 else if (cs->style & WS_MINIMIZE)
1496 sw = SW_SHOWMINIMIZED;
1498 ShowWindow( hwnd, sw );
1499 if (cs->dwExStyle & WS_EX_MDICHILD)
1501 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1502 /* ShowWindow won't activate child windows */
1503 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1507 /* Call WH_SHELL hook */
1509 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1510 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1512 TRACE("created window %p\n", hwnd);
1516 WIN_DestroyWindow( hwnd );
1521 /***********************************************************************
1522 * CreateWindowExA (USER32.@)
1524 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1525 LPCSTR windowName, DWORD style, INT x,
1526 INT y, INT width, INT height,
1527 HWND parent, HMENU menu,
1528 HINSTANCE instance, LPVOID data )
1532 cs.lpCreateParams = data;
1533 cs.hInstance = instance;
1535 cs.hwndParent = parent;
1541 cs.lpszName = windowName;
1542 cs.lpszClass = className;
1543 cs.dwExStyle = exStyle;
1545 if (!IS_INTRESOURCE(className))
1548 if (!MultiByteToWideChar( CP_ACP, 0, className, -1, bufferW, sizeof(bufferW)/sizeof(WCHAR) ))
1550 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, bufferW, instance, FALSE );
1552 /* Note: we rely on the fact that CREATESTRUCTA and */
1553 /* CREATESTRUCTW have the same layout. */
1554 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, (LPCWSTR)className, instance, FALSE );
1558 /***********************************************************************
1559 * CreateWindowExW (USER32.@)
1561 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1562 LPCWSTR windowName, DWORD style, INT x,
1563 INT y, INT width, INT height,
1564 HWND parent, HMENU menu,
1565 HINSTANCE instance, LPVOID data )
1569 cs.lpCreateParams = data;
1570 cs.hInstance = instance;
1572 cs.hwndParent = parent;
1578 cs.lpszName = windowName;
1579 cs.lpszClass = className;
1580 cs.dwExStyle = exStyle;
1582 return wow_handlers.create_window( &cs, className, instance, TRUE );
1586 /***********************************************************************
1587 * WIN_SendDestroyMsg
1589 static void WIN_SendDestroyMsg( HWND hwnd )
1593 info.cbSize = sizeof(info);
1594 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1596 if (hwnd == info.hwndCaret) DestroyCaret();
1597 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1601 * Send the WM_DESTROY to the window.
1603 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1606 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1607 * make sure that the window still exists when we come back.
1614 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1616 for (i = 0; pWndArray[i]; i++)
1618 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1620 HeapFree( GetProcessHeap(), 0, pWndArray );
1623 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1627 /***********************************************************************
1628 * DestroyWindow (USER32.@)
1630 BOOL WINAPI DestroyWindow( HWND hwnd )
1634 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || is_desktop_window( hwnd ))
1636 SetLastError( ERROR_ACCESS_DENIED );
1640 TRACE("(%p)\n", hwnd);
1644 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1646 if (MENU_IsMenuActive() == hwnd)
1649 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1653 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1654 send_parent_notify( hwnd, WM_DESTROY );
1656 else if (!GetWindow( hwnd, GW_OWNER ))
1658 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1659 /* FIXME: clean up palette - see "Internals" p.352 */
1662 if (!IsWindow(hwnd)) return TRUE;
1664 /* Hide the window */
1665 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1667 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1669 ShowWindow( hwnd, SW_HIDE );
1671 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1672 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1675 if (!IsWindow(hwnd)) return TRUE;
1677 /* Recursively destroy owned windows */
1684 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1687 for (i = 0; list[i]; i++)
1689 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1690 if (WIN_IsCurrentThread( list[i] ))
1692 DestroyWindow( list[i] );
1696 WIN_SetOwner( list[i], 0 );
1698 HeapFree( GetProcessHeap(), 0, list );
1700 if (!got_one) break;
1704 /* Send destroy messages */
1706 WIN_SendDestroyMsg( hwnd );
1707 if (!IsWindow( hwnd )) return TRUE;
1709 if (GetClipboardOwner() == hwnd)
1710 CLIPBOARD_ReleaseOwner();
1712 /* Destroy the window storage */
1714 WIN_DestroyWindow( hwnd );
1719 /***********************************************************************
1720 * CloseWindow (USER32.@)
1722 BOOL WINAPI CloseWindow( HWND hwnd )
1724 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1725 ShowWindow( hwnd, SW_MINIMIZE );
1730 /***********************************************************************
1731 * OpenIcon (USER32.@)
1733 BOOL WINAPI OpenIcon( HWND hwnd )
1735 if (!IsIconic( hwnd )) return FALSE;
1736 ShowWindow( hwnd, SW_SHOWNORMAL );
1741 /***********************************************************************
1742 * FindWindowExW (USER32.@)
1744 HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title )
1749 WCHAR *buffer = NULL;
1751 if (!parent && child) parent = GetDesktopWindow();
1752 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
1756 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1757 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1760 if (!(list = list_window_children( 0, parent, className, 0 ))) goto done;
1764 child = WIN_GetFullHandle( child );
1765 while (list[i] && list[i] != child) i++;
1766 if (!list[i]) goto done;
1767 i++; /* start from next window */
1774 if (GetWindowTextW( list[i], buffer, len + 1 ))
1776 if (!strcmpiW( buffer, title )) break;
1780 if (!title[0]) break;
1788 HeapFree( GetProcessHeap(), 0, list );
1789 HeapFree( GetProcessHeap(), 0, buffer );
1795 /***********************************************************************
1796 * FindWindowA (USER32.@)
1798 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1800 HWND ret = FindWindowExA( 0, 0, className, title );
1801 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1806 /***********************************************************************
1807 * FindWindowExA (USER32.@)
1809 HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title )
1811 LPWSTR titleW = NULL;
1816 DWORD len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1817 if (!(titleW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1818 MultiByteToWideChar( CP_ACP, 0, title, -1, titleW, len );
1821 if (!IS_INTRESOURCE(className))
1824 if (MultiByteToWideChar( CP_ACP, 0, className, -1, classW, sizeof(classW)/sizeof(WCHAR) ))
1825 hwnd = FindWindowExW( parent, child, classW, titleW );
1829 hwnd = FindWindowExW( parent, child, (LPCWSTR)className, titleW );
1832 HeapFree( GetProcessHeap(), 0, titleW );
1837 /***********************************************************************
1838 * FindWindowW (USER32.@)
1840 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1842 return FindWindowExW( 0, 0, className, title );
1846 /**********************************************************************
1847 * GetDesktopWindow (USER32.@)
1849 HWND WINAPI GetDesktopWindow(void)
1851 struct user_thread_info *thread_info = get_user_thread_info();
1853 if (thread_info->top_window) return thread_info->top_window;
1855 SERVER_START_REQ( get_desktop_window )
1858 if (!wine_server_call( req ))
1860 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1861 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1866 if (!thread_info->top_window)
1868 USEROBJECTFLAGS flags;
1869 if (!GetUserObjectInformationW( GetProcessWindowStation(), UOI_FLAGS, &flags,
1870 sizeof(flags), NULL ) || (flags.dwFlags & WSF_VISIBLE))
1872 static const WCHAR explorer[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',0};
1873 static const WCHAR args[] = {' ','/','d','e','s','k','t','o','p',0};
1875 PROCESS_INFORMATION pi;
1876 WCHAR windir[MAX_PATH];
1877 WCHAR app[MAX_PATH + sizeof(explorer)/sizeof(WCHAR)];
1878 WCHAR cmdline[MAX_PATH + (sizeof(explorer) + sizeof(args))/sizeof(WCHAR)];
1881 memset( &si, 0, sizeof(si) );
1883 si.dwFlags = STARTF_USESTDHANDLES;
1886 si.hStdError = GetStdHandle( STD_ERROR_HANDLE );
1888 GetSystemDirectoryW( windir, MAX_PATH );
1889 strcpyW( app, windir );
1890 strcatW( app, explorer );
1891 strcpyW( cmdline, app );
1892 strcatW( cmdline, args );
1894 Wow64DisableWow64FsRedirection( &redir );
1895 if (CreateProcessW( app, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1896 NULL, windir, &si, &pi ))
1898 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1899 WaitForInputIdle( pi.hProcess, 10000 );
1900 CloseHandle( pi.hThread );
1901 CloseHandle( pi.hProcess );
1903 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1904 Wow64RevertWow64FsRedirection( redir );
1906 else TRACE( "not starting explorer since winstation is not visible\n" );
1908 SERVER_START_REQ( get_desktop_window )
1911 if (!wine_server_call( req ))
1913 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1914 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1920 if (!thread_info->top_window || !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
1921 ERR( "failed to create desktop window\n" );
1923 return thread_info->top_window;
1927 /*******************************************************************
1928 * EnableWindow (USER32.@)
1930 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1935 if (is_broadcast(hwnd))
1937 SetLastError( ERROR_INVALID_PARAMETER );
1941 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1942 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1946 TRACE("( %p, %d )\n", hwnd, enable);
1948 retvalue = !IsWindowEnabled( hwnd );
1950 if (enable && retvalue)
1952 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1953 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1955 else if (!enable && !retvalue)
1959 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1961 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1963 if (hwnd == GetFocus())
1964 SetFocus( 0 ); /* A disabled window can't have the focus */
1966 capture_wnd = GetCapture();
1967 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1968 ReleaseCapture(); /* A disabled window can't capture the mouse */
1970 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1976 /***********************************************************************
1977 * IsWindowEnabled (USER32.@)
1979 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1981 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1985 /***********************************************************************
1986 * IsWindowUnicode (USER32.@)
1988 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1991 BOOL retvalue = FALSE;
1993 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1995 if (wndPtr == WND_DESKTOP) return TRUE;
1997 if (wndPtr != WND_OTHER_PROCESS)
1999 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
2000 WIN_ReleasePtr( wndPtr );
2004 SERVER_START_REQ( get_window_info )
2006 req->handle = wine_server_user_handle( hwnd );
2007 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
2015 /**********************************************************************
2018 * Helper function for GetWindowLong().
2020 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
2022 LONG_PTR retvalue = 0;
2025 if (offset == GWLP_HWNDPARENT)
2027 HWND parent = GetAncestor( hwnd, GA_PARENT );
2028 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
2029 return (ULONG_PTR)parent;
2032 if (!(wndPtr = WIN_GetPtr( hwnd )))
2034 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2038 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2040 if (offset == GWLP_WNDPROC)
2042 SetLastError( ERROR_ACCESS_DENIED );
2045 SERVER_START_REQ( set_window_info )
2047 req->handle = wine_server_user_handle( hwnd );
2048 req->flags = 0; /* don't set anything, just retrieve */
2049 req->extra_offset = (offset >= 0) ? offset : -1;
2050 req->extra_size = (offset >= 0) ? size : 0;
2051 if (!wine_server_call_err( req ))
2055 case GWL_STYLE: retvalue = reply->old_style; break;
2056 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
2057 case GWLP_ID: retvalue = reply->old_id; break;
2058 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wine_server_get_ptr( reply->old_instance ); break;
2059 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
2061 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
2062 else SetLastError( ERROR_INVALID_INDEX );
2071 /* now we have a valid wndPtr */
2075 if (offset > (int)(wndPtr->cbWndExtra - size))
2077 WARN("Invalid offset %d\n", offset );
2078 WIN_ReleasePtr( wndPtr );
2079 SetLastError( ERROR_INVALID_INDEX );
2082 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
2084 /* Special case for dialog window procedure */
2085 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2086 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
2087 WIN_ReleasePtr( wndPtr );
2093 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
2094 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
2095 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
2096 case GWLP_ID: retvalue = wndPtr->wIDmenu; break;
2097 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
2099 /* This looks like a hack only for the edit control (see tests). This makes these controls
2100 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
2101 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
2103 if (wndPtr->winproc == BUILTIN_WINPROC(WINPROC_EDIT) && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
2104 retvalue = (ULONG_PTR)wndPtr->winproc;
2106 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
2109 WARN("Unknown offset %d\n", offset );
2110 SetLastError( ERROR_INVALID_INDEX );
2113 WIN_ReleasePtr(wndPtr);
2118 /**********************************************************************
2121 * Helper function for SetWindowLong().
2123 * 0 is the failure code. However, in the case of failure SetLastError
2124 * must be set to distinguish between a 0 return value and a failure.
2126 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
2130 LONG_PTR retval = 0;
2133 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
2135 if (is_broadcast(hwnd))
2137 SetLastError( ERROR_INVALID_PARAMETER );
2141 if (!(wndPtr = WIN_GetPtr( hwnd )))
2143 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2146 if (wndPtr == WND_DESKTOP)
2148 /* can't change anything on the desktop window */
2149 SetLastError( ERROR_ACCESS_DENIED );
2152 if (wndPtr == WND_OTHER_PROCESS)
2154 if (offset == GWLP_WNDPROC)
2156 SetLastError( ERROR_ACCESS_DENIED );
2159 if (offset > 32767 || offset < -32767)
2161 SetLastError( ERROR_INVALID_INDEX );
2164 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
2167 /* first some special cases */
2171 style.styleOld = wndPtr->dwStyle;
2172 style.styleNew = newval;
2173 WIN_ReleasePtr( wndPtr );
2174 SendMessageW( hwnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM)&style );
2175 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2176 newval = style.styleNew;
2177 /* WS_CLIPSIBLINGS can't be reset on top-level windows */
2178 if (wndPtr->parent == GetDesktopWindow()) newval |= WS_CLIPSIBLINGS;
2181 style.styleOld = wndPtr->dwExStyle;
2182 style.styleNew = newval;
2183 WIN_ReleasePtr( wndPtr );
2184 SendMessageW( hwnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM)&style );
2185 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2186 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
2187 newval = (style.styleNew & ~WS_EX_TOPMOST) | (wndPtr->dwExStyle & WS_EX_TOPMOST);
2188 /* WS_EX_WINDOWEDGE depends on some other styles */
2189 if ((newval & WS_EX_DLGMODALFRAME) || (wndPtr->dwStyle & WS_THICKFRAME))
2190 newval |= WS_EX_WINDOWEDGE;
2191 else if (wndPtr->dwStyle & (WS_CHILD|WS_POPUP))
2192 newval &= ~WS_EX_WINDOWEDGE;
2194 case GWLP_HWNDPARENT:
2195 if (wndPtr->parent == GetDesktopWindow())
2197 WIN_ReleasePtr( wndPtr );
2198 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
2202 WIN_ReleasePtr( wndPtr );
2203 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
2208 UINT old_flags = wndPtr->flags;
2209 retval = WIN_GetWindowLong( hwnd, offset, size, unicode );
2210 proc = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2211 if (proc) wndPtr->winproc = proc;
2212 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
2213 else wndPtr->flags &= ~WIN_ISUNICODE;
2214 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
2216 WIN_ReleasePtr( wndPtr );
2219 /* update is_unicode flag on the server side */
2223 case GWLP_HINSTANCE:
2227 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2228 (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2230 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
2231 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
2232 *ptr = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2233 WIN_ReleasePtr( wndPtr );
2238 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
2240 WARN("Invalid offset %d\n", offset );
2241 WIN_ReleasePtr( wndPtr );
2242 SetLastError( ERROR_INVALID_INDEX );
2245 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
2247 /* already set to the same value */
2248 WIN_ReleasePtr( wndPtr );
2254 SERVER_START_REQ( set_window_info )
2256 req->handle = wine_server_user_handle( hwnd );
2257 req->extra_offset = -1;
2261 req->flags = SET_WIN_STYLE;
2262 req->style = newval;
2265 req->flags = SET_WIN_EXSTYLE;
2266 req->ex_style = newval;
2269 req->flags = SET_WIN_ID;
2272 case GWLP_HINSTANCE:
2273 req->flags = SET_WIN_INSTANCE;
2274 req->instance = wine_server_client_ptr( (void *)newval );
2277 req->flags = SET_WIN_UNICODE;
2278 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
2281 req->flags = SET_WIN_USERDATA;
2282 req->user_data = newval;
2285 req->flags = SET_WIN_EXTRA;
2286 req->extra_offset = offset;
2287 req->extra_size = size;
2288 set_win_data( &req->extra_value, newval, size );
2290 if ((ok = !wine_server_call_err( req )))
2295 wndPtr->dwStyle = newval;
2296 retval = reply->old_style;
2299 wndPtr->dwExStyle = newval;
2300 retval = reply->old_ex_style;
2303 wndPtr->wIDmenu = newval;
2304 retval = reply->old_id;
2306 case GWLP_HINSTANCE:
2307 wndPtr->hInstance = (HINSTANCE)newval;
2308 retval = (ULONG_PTR)wine_server_get_ptr( reply->old_instance );
2313 wndPtr->userdata = newval;
2314 retval = reply->old_user_data;
2317 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2318 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2324 WIN_ReleasePtr( wndPtr );
2328 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2330 style.styleOld = retval;
2331 style.styleNew = newval;
2332 USER_Driver->pSetWindowStyle( hwnd, offset, &style );
2333 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2340 /**********************************************************************
2341 * GetWindowWord (USER32.@)
2343 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2348 case GWLP_HINSTANCE:
2349 case GWLP_HWNDPARENT:
2354 WARN("Invalid offset %d\n", offset );
2355 SetLastError( ERROR_INVALID_INDEX );
2360 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2364 /**********************************************************************
2365 * GetWindowLongA (USER32.@)
2367 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2369 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2373 /**********************************************************************
2374 * GetWindowLongW (USER32.@)
2376 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2378 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2382 /**********************************************************************
2383 * SetWindowWord (USER32.@)
2385 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2390 case GWLP_HINSTANCE:
2391 case GWLP_HWNDPARENT:
2396 WARN("Invalid offset %d\n", offset );
2397 SetLastError( ERROR_INVALID_INDEX );
2402 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2406 /**********************************************************************
2407 * SetWindowLongA (USER32.@)
2409 * See SetWindowLongW.
2411 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2413 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2417 /**********************************************************************
2418 * SetWindowLongW (USER32.@) Set window attribute
2420 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2421 * value in a window's extra memory.
2423 * The _hwnd_ parameter specifies the window. is the handle to a
2424 * window that has extra memory. The _newval_ parameter contains the
2425 * new attribute or extra memory value. If positive, the _offset_
2426 * parameter is the byte-addressed location in the window's extra
2427 * memory to set. If negative, _offset_ specifies the window
2428 * attribute to set, and should be one of the following values:
2430 * GWL_EXSTYLE The window's extended window style
2432 * GWL_STYLE The window's window style.
2434 * GWLP_WNDPROC Pointer to the window's window procedure.
2436 * GWLP_HINSTANCE The window's pplication instance handle.
2438 * GWLP_ID The window's identifier.
2440 * GWLP_USERDATA The window's user-specified data.
2442 * If the window is a dialog box, the _offset_ parameter can be one of
2443 * the following values:
2445 * DWLP_DLGPROC The address of the window's dialog box procedure.
2447 * DWLP_MSGRESULT The return value of a message
2448 * that the dialog box procedure processed.
2450 * DWLP_USER Application specific information.
2454 * If successful, returns the previous value located at _offset_. Otherwise,
2459 * Extra memory for a window class is specified by a nonzero cbWndExtra
2460 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2461 * time of class creation.
2463 * Using GWL_WNDPROC to set a new window procedure effectively creates
2464 * a window subclass. Use CallWindowProc() in the new windows procedure
2465 * to pass messages to the superclass's window procedure.
2467 * The user data is reserved for use by the application which created
2470 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2471 * instead, call the EnableWindow() function to change the window's
2474 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2475 * SetParent() instead.
2478 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2479 * it sends WM_STYLECHANGING before changing the settings
2480 * and WM_STYLECHANGED afterwards.
2481 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2483 LONG WINAPI SetWindowLongW(
2484 HWND hwnd, /* [in] window to alter */
2485 INT offset, /* [in] offset, in bytes, of location to alter */
2486 LONG newval /* [in] new value of location */
2488 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2492 /*******************************************************************
2493 * GetWindowTextA (USER32.@)
2495 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2499 if (!lpString) return 0;
2501 if (WIN_IsCurrentProcess( hwnd ))
2502 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2504 /* when window belongs to other process, don't send a message */
2505 if (nMaxCount <= 0) return 0;
2506 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2507 get_server_window_text( hwnd, buffer, nMaxCount );
2508 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2509 lpString[nMaxCount-1] = 0;
2510 HeapFree( GetProcessHeap(), 0, buffer );
2511 return strlen(lpString);
2515 /*******************************************************************
2516 * InternalGetWindowText (USER32.@)
2518 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2522 if (nMaxCount <= 0) return 0;
2523 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2524 if (win == WND_DESKTOP) lpString[0] = 0;
2525 else if (win != WND_OTHER_PROCESS)
2527 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2528 else lpString[0] = 0;
2529 WIN_ReleasePtr( win );
2533 get_server_window_text( hwnd, lpString, nMaxCount );
2535 return strlenW(lpString);
2539 /*******************************************************************
2540 * GetWindowTextW (USER32.@)
2542 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2544 if (!lpString) return 0;
2546 if (WIN_IsCurrentProcess( hwnd ))
2547 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2549 /* when window belongs to other process, don't send a message */
2550 if (nMaxCount <= 0) return 0;
2551 get_server_window_text( hwnd, lpString, nMaxCount );
2552 return strlenW(lpString);
2556 /*******************************************************************
2557 * SetWindowTextA (USER32.@)
2558 * SetWindowText (USER32.@)
2560 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2562 if (is_broadcast(hwnd))
2564 SetLastError( ERROR_INVALID_PARAMETER );
2567 if (!WIN_IsCurrentProcess( hwnd ))
2568 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2569 debugstr_a(lpString), hwnd );
2570 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2574 /*******************************************************************
2575 * SetWindowTextW (USER32.@)
2577 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2579 if (is_broadcast(hwnd))
2581 SetLastError( ERROR_INVALID_PARAMETER );
2584 if (!WIN_IsCurrentProcess( hwnd ))
2585 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2586 debugstr_w(lpString), hwnd );
2587 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2591 /*******************************************************************
2592 * GetWindowTextLengthA (USER32.@)
2594 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2596 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2599 /*******************************************************************
2600 * GetWindowTextLengthW (USER32.@)
2602 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2604 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2608 /*******************************************************************
2609 * IsWindow (USER32.@)
2611 BOOL WINAPI IsWindow( HWND hwnd )
2616 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2617 if (ptr == WND_DESKTOP) return TRUE;
2619 if (ptr != WND_OTHER_PROCESS)
2621 WIN_ReleasePtr( ptr );
2625 /* check other processes */
2626 SERVER_START_REQ( get_window_info )
2628 req->handle = wine_server_user_handle( hwnd );
2629 ret = !wine_server_call_err( req );
2636 /***********************************************************************
2637 * GetWindowThreadProcessId (USER32.@)
2639 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2644 if (!(ptr = WIN_GetPtr( hwnd )))
2646 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2650 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2652 /* got a valid window */
2654 if (process) *process = GetCurrentProcessId();
2655 WIN_ReleasePtr( ptr );
2659 /* check other processes */
2660 SERVER_START_REQ( get_window_info )
2662 req->handle = wine_server_user_handle( hwnd );
2663 if (!wine_server_call_err( req ))
2665 tid = (DWORD)reply->tid;
2666 if (process) *process = (DWORD)reply->pid;
2674 /*****************************************************************
2675 * GetParent (USER32.@)
2677 HWND WINAPI GetParent( HWND hwnd )
2682 if (!(wndPtr = WIN_GetPtr( hwnd )))
2684 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2687 if (wndPtr == WND_DESKTOP) return 0;
2688 if (wndPtr == WND_OTHER_PROCESS)
2690 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2691 if (style & (WS_POPUP | WS_CHILD))
2693 SERVER_START_REQ( get_window_tree )
2695 req->handle = wine_server_user_handle( hwnd );
2696 if (!wine_server_call_err( req ))
2698 if (style & WS_POPUP) retvalue = wine_server_ptr_handle( reply->owner );
2699 else if (style & WS_CHILD) retvalue = wine_server_ptr_handle( reply->parent );
2707 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2708 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2709 WIN_ReleasePtr( wndPtr );
2715 /*****************************************************************
2716 * GetAncestor (USER32.@)
2718 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2721 HWND *list, ret = 0;
2726 if (!(win = WIN_GetPtr( hwnd )))
2728 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2731 if (win == WND_DESKTOP) return 0;
2732 if (win != WND_OTHER_PROCESS)
2735 WIN_ReleasePtr( win );
2737 else /* need to query the server */
2739 SERVER_START_REQ( get_window_tree )
2741 req->handle = wine_server_user_handle( hwnd );
2742 if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->parent );
2749 if (!(list = list_window_parents( hwnd ))) return 0;
2751 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2755 while (list[count]) count++;
2756 ret = list[count - 2]; /* get the one before the desktop */
2758 HeapFree( GetProcessHeap(), 0, list );
2762 if (is_desktop_window( hwnd )) return 0;
2763 ret = WIN_GetFullHandle( hwnd );
2766 HWND parent = GetParent( ret );
2776 /*****************************************************************
2777 * SetParent (USER32.@)
2779 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2782 HWND old_parent = 0;
2787 if (is_broadcast(hwnd) || is_broadcast(parent))
2789 SetLastError(ERROR_INVALID_PARAMETER);
2793 if (!parent) parent = GetDesktopWindow();
2794 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
2795 else parent = WIN_GetFullHandle( parent );
2797 if (!IsWindow( parent ))
2799 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2803 /* Some applications try to set a child as a parent */
2804 if (IsChild(hwnd, parent))
2806 SetLastError( ERROR_INVALID_PARAMETER );
2810 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2811 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2813 if (full_handle == parent)
2815 SetLastError( ERROR_INVALID_PARAMETER );
2819 /* Windows hides the window first, then shows it again
2820 * including the WM_SHOWWINDOW messages and all */
2821 was_visible = ShowWindow( hwnd, SW_HIDE );
2823 wndPtr = WIN_GetPtr( hwnd );
2824 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2826 SERVER_START_REQ( set_parent )
2828 req->handle = wine_server_user_handle( hwnd );
2829 req->parent = wine_server_user_handle( parent );
2830 if ((ret = !wine_server_call( req )))
2832 old_parent = wine_server_ptr_handle( reply->old_parent );
2833 wndPtr->parent = parent = wine_server_ptr_handle( reply->full_parent );
2838 WIN_ReleasePtr( wndPtr );
2841 USER_Driver->pSetParent( full_handle, parent, old_parent );
2843 /* SetParent additionally needs to make hwnd the topmost window
2844 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2845 WM_WINDOWPOSCHANGED notification messages.
2847 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0,
2848 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2849 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2850 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2856 /*******************************************************************
2857 * IsChild (USER32.@)
2859 BOOL WINAPI IsChild( HWND parent, HWND child )
2861 HWND *list = list_window_parents( child );
2865 if (!list) return FALSE;
2866 parent = WIN_GetFullHandle( parent );
2867 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2868 ret = list[i] && list[i+1];
2869 HeapFree( GetProcessHeap(), 0, list );
2874 /***********************************************************************
2875 * IsWindowVisible (USER32.@)
2877 BOOL WINAPI IsWindowVisible( HWND hwnd )
2883 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2884 if (!(list = list_window_parents( hwnd ))) return TRUE;
2887 for (i = 0; list[i+1]; i++)
2888 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2889 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2891 HeapFree( GetProcessHeap(), 0, list );
2896 /***********************************************************************
2897 * WIN_IsWindowDrawable
2899 * hwnd is drawable when it is visible, all parents are not
2900 * minimized, and it is itself not minimized unless we are
2901 * trying to draw its default class icon.
2903 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2908 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2910 if (!(style & WS_VISIBLE)) return FALSE;
2911 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2913 if (!(list = list_window_parents( hwnd ))) return TRUE;
2916 for (i = 0; list[i+1]; i++)
2917 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2919 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2921 HeapFree( GetProcessHeap(), 0, list );
2926 /*******************************************************************
2927 * GetTopWindow (USER32.@)
2929 HWND WINAPI GetTopWindow( HWND hwnd )
2931 if (!hwnd) hwnd = GetDesktopWindow();
2932 return GetWindow( hwnd, GW_CHILD );
2936 /*******************************************************************
2937 * GetWindow (USER32.@)
2939 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2943 if (rel == GW_OWNER) /* this one may be available locally */
2945 WND *wndPtr = WIN_GetPtr( hwnd );
2948 SetLastError( ERROR_INVALID_HANDLE );
2951 if (wndPtr == WND_DESKTOP) return 0;
2952 if (wndPtr != WND_OTHER_PROCESS)
2954 retval = wndPtr->owner;
2955 WIN_ReleasePtr( wndPtr );
2958 /* else fall through to server call */
2961 SERVER_START_REQ( get_window_tree )
2963 req->handle = wine_server_user_handle( hwnd );
2964 if (!wine_server_call_err( req ))
2969 retval = wine_server_ptr_handle( reply->first_sibling );
2972 retval = wine_server_ptr_handle( reply->last_sibling );
2975 retval = wine_server_ptr_handle( reply->next_sibling );
2978 retval = wine_server_ptr_handle( reply->prev_sibling );
2981 retval = wine_server_ptr_handle( reply->owner );
2984 retval = wine_server_ptr_handle( reply->first_child );
2994 /*******************************************************************
2995 * ShowOwnedPopups (USER32.@)
2997 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
3001 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
3003 if (!win_array) return TRUE;
3005 while (win_array[count]) count++;
3006 while (--count >= 0)
3008 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
3009 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
3010 if (pWnd == WND_OTHER_PROCESS) continue;
3013 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
3015 WIN_ReleasePtr( pWnd );
3016 /* In Windows, ShowOwnedPopups(TRUE) generates
3017 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
3018 * regardless of the state of the owner
3020 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
3026 if (pWnd->dwStyle & WS_VISIBLE)
3028 WIN_ReleasePtr( pWnd );
3029 /* In Windows, ShowOwnedPopups(FALSE) generates
3030 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
3031 * regardless of the state of the owner
3033 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
3037 WIN_ReleasePtr( pWnd );
3039 HeapFree( GetProcessHeap(), 0, win_array );
3044 /*******************************************************************
3045 * GetLastActivePopup (USER32.@)
3047 HWND WINAPI GetLastActivePopup( HWND hwnd )
3051 SERVER_START_REQ( get_window_info )
3053 req->handle = wine_server_user_handle( hwnd );
3054 if (!wine_server_call_err( req )) retval = wine_server_ptr_handle( reply->last_active );
3061 /*******************************************************************
3064 * Build an array of the children of a given window. The array must be
3065 * freed with HeapFree. Returns NULL when no windows are found.
3067 HWND *WIN_ListChildren( HWND hwnd )
3071 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3074 return list_window_children( 0, hwnd, NULL, 0 );
3078 /*******************************************************************
3079 * EnumWindows (USER32.@)
3081 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
3087 USER_CheckNotLock();
3089 /* We have to build a list of all windows first, to avoid */
3090 /* unpleasant side-effects, for instance if the callback */
3091 /* function changes the Z-order of the windows. */
3093 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
3095 /* Now call the callback function for every window */
3097 for (i = 0; list[i]; i++)
3099 /* Make sure that the window still exists */
3100 if (!IsWindow( list[i] )) continue;
3101 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
3103 HeapFree( GetProcessHeap(), 0, list );
3108 /**********************************************************************
3109 * EnumThreadWindows (USER32.@)
3111 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
3117 USER_CheckNotLock();
3119 if (!(list = list_window_children( 0, GetDesktopWindow(), NULL, id ))) return TRUE;
3121 /* Now call the callback function for every window */
3123 for (i = 0; list[i]; i++)
3124 if (!(ret = func( list[i], lParam ))) break;
3125 HeapFree( GetProcessHeap(), 0, list );
3130 /***********************************************************************
3131 * EnumDesktopWindows (USER32.@)
3133 BOOL WINAPI EnumDesktopWindows( HDESK desktop, WNDENUMPROC func, LPARAM lparam )
3138 USER_CheckNotLock();
3140 if (!(list = list_window_children( desktop, 0, NULL, 0 ))) return TRUE;
3142 for (i = 0; list[i]; i++)
3143 if (!func( list[i], lparam )) break;
3144 HeapFree( GetProcessHeap(), 0, list );
3149 /**********************************************************************
3150 * WIN_EnumChildWindows
3152 * Helper function for EnumChildWindows().
3154 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
3159 for ( ; *list; list++)
3161 /* Make sure that the window still exists */
3162 if (!IsWindow( *list )) continue;
3163 /* Build children list first */
3164 childList = WIN_ListChildren( *list );
3166 ret = func( *list, lParam );
3170 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3171 HeapFree( GetProcessHeap(), 0, childList );
3173 if (!ret) return FALSE;
3179 /**********************************************************************
3180 * EnumChildWindows (USER32.@)
3182 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3187 USER_CheckNotLock();
3189 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3190 ret = WIN_EnumChildWindows( list, func, lParam );
3191 HeapFree( GetProcessHeap(), 0, list );
3196 /*******************************************************************
3197 * AnyPopup (USER32.@)
3199 BOOL WINAPI AnyPopup(void)
3203 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3205 if (!list) return FALSE;
3206 for (i = 0; list[i]; i++)
3208 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3210 retvalue = (list[i] != 0);
3211 HeapFree( GetProcessHeap(), 0, list );
3216 /*******************************************************************
3217 * FlashWindow (USER32.@)
3219 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3223 TRACE("%p\n", hWnd);
3225 if (IsIconic( hWnd ))
3227 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3229 wndPtr = WIN_GetPtr(hWnd);
3230 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3231 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3233 wndPtr->flags |= WIN_NCACTIVATED;
3237 wndPtr->flags &= ~WIN_NCACTIVATED;
3239 WIN_ReleasePtr( wndPtr );
3246 wndPtr = WIN_GetPtr(hWnd);
3247 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3248 hWnd = wndPtr->obj.handle; /* make it a full handle */
3250 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3251 else wparam = (hWnd == GetForegroundWindow());
3253 WIN_ReleasePtr( wndPtr );
3254 SendMessageW( hWnd, WM_NCACTIVATE, wparam, 0 );
3259 /*******************************************************************
3260 * FlashWindowEx (USER32.@)
3262 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3264 FIXME("%p\n", pfwi);
3268 /*******************************************************************
3269 * GetWindowContextHelpId (USER32.@)
3271 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3274 WND *wnd = WIN_GetPtr( hwnd );
3275 if (!wnd || wnd == WND_DESKTOP) return 0;
3276 if (wnd == WND_OTHER_PROCESS)
3278 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3281 retval = wnd->helpContext;
3282 WIN_ReleasePtr( wnd );
3287 /*******************************************************************
3288 * SetWindowContextHelpId (USER32.@)
3290 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3292 WND *wnd = WIN_GetPtr( hwnd );
3293 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3294 if (wnd == WND_OTHER_PROCESS)
3296 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3299 wnd->helpContext = id;
3300 WIN_ReleasePtr( wnd );
3305 /*******************************************************************
3306 * DragDetect (USER32.@)
3308 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3312 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3313 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3315 rect.left = pt.x - wDragWidth;
3316 rect.right = pt.x + wDragWidth;
3318 rect.top = pt.y - wDragHeight;
3319 rect.bottom = pt.y + wDragHeight;
3325 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3327 if( msg.message == WM_LBUTTONUP )
3332 if( msg.message == WM_MOUSEMOVE )
3335 tmp.x = (short)LOWORD(msg.lParam);
3336 tmp.y = (short)HIWORD(msg.lParam);
3337 if( !PtInRect( &rect, tmp ))
3349 /******************************************************************************
3350 * GetWindowModuleFileNameA (USER32.@)
3352 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR module, UINT size )
3357 TRACE( "%p, %p, %u\n", hwnd, module, size );
3359 win = WIN_GetPtr( hwnd );
3360 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3362 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3365 hinst = win->hInstance;
3366 WIN_ReleasePtr( win );
3368 return GetModuleFileNameA( hinst, module, size );
3371 /******************************************************************************
3372 * GetWindowModuleFileNameW (USER32.@)
3374 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR module, UINT size )
3379 TRACE( "%p, %p, %u\n", hwnd, module, size );
3381 win = WIN_GetPtr( hwnd );
3382 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3384 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3387 hinst = win->hInstance;
3388 WIN_ReleasePtr( win );
3390 return GetModuleFileNameW( hinst, module, size );
3393 /******************************************************************************
3394 * GetWindowInfo (USER32.@)
3396 * Note: tests show that Windows doesn't check cbSize of the structure.
3398 BOOL WINAPI DECLSPEC_HOTPATCH GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3400 if (!pwi) return FALSE;
3401 if (!WIN_GetRectangles( hwnd, COORDS_SCREEN, &pwi->rcWindow, &pwi->rcClient )) return FALSE;
3403 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3404 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3405 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3407 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3408 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3410 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3411 pwi->wCreatorVersion = 0x0400;
3416 /******************************************************************************
3417 * SwitchDesktop (USER32.@)
3419 * NOTES: Sets the current input or interactive desktop.
3421 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3423 FIXME("(hwnd %p) stub!\n", hDesktop);
3427 /*****************************************************************************
3428 * SetLayeredWindowAttributes (USER32.@)
3430 BOOL WINAPI SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
3434 TRACE("(%p,%08x,%d,%x): stub!\n", hwnd, key, alpha, flags);
3436 SERVER_START_REQ( set_window_layered_info )
3438 req->handle = wine_server_user_handle( hwnd );
3439 req->color_key = key;
3442 ret = !wine_server_call_err( req );
3446 if (ret) USER_Driver->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
3452 /*****************************************************************************
3453 * GetLayeredWindowAttributes (USER32.@)
3455 BOOL WINAPI GetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags )
3459 SERVER_START_REQ( get_window_layered_info )
3461 req->handle = wine_server_user_handle( hwnd );
3462 if ((ret = !wine_server_call_err( req )))
3464 if (key) *key = reply->color_key;
3465 if (alpha) *alpha = reply->alpha;
3466 if (flags) *flags = reply->flags;
3475 /*****************************************************************************
3476 * UpdateLayeredWindowIndirect (USER32.@)
3478 BOOL WINAPI UpdateLayeredWindowIndirect( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info )
3482 if (!(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED) ||
3483 GetLayeredWindowAttributes( hwnd, NULL, NULL, NULL ))
3485 SetLastError( ERROR_INVALID_PARAMETER );
3489 if (!(info->dwFlags & ULW_EX_NORESIZE) && (info->pptDst || info->psize))
3491 int x = 0, y = 0, cx = 0, cy = 0;
3492 DWORD flags = SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW | SWP_NOSENDCHANGING;
3496 x = info->pptDst->x;
3497 y = info->pptDst->y;
3498 flags &= ~SWP_NOMOVE;
3502 cx = info->psize->cx;
3503 cy = info->psize->cy;
3504 flags &= ~SWP_NOSIZE;
3506 TRACE( "moving window %p pos %d,%d %dx%d\n", hwnd, x, y, cx, cy );
3507 SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
3512 HDC hdc = GetWindowDC( hwnd );
3519 GetWindowRect( hwnd, &rect );
3520 OffsetRect( &rect, -rect.left, -rect.top);
3523 x = info->pptSrc->x;
3524 y = info->pptSrc->y;
3527 if (!info->prcDirty || (info->prcDirty && IntersectRect(&rect, &rect, info->prcDirty)))
3529 TRACE( "copying window %p pos %d,%d\n", hwnd, x, y );
3530 BitBlt( hdc, rect.left, rect.top, rect.right, rect.bottom,
3531 info->hdcSrc, rect.left + x, rect.top + y, SRCCOPY );
3533 ReleaseDC( hwnd, hdc );
3537 if (info->pblend && !(info->dwFlags & ULW_OPAQUE)) alpha = info->pblend->SourceConstantAlpha;
3538 TRACE( "setting window %p alpha %u\n", hwnd, alpha );
3539 USER_Driver->pSetLayeredWindowAttributes( hwnd, info->crKey, alpha,
3540 info->dwFlags & (LWA_ALPHA | LWA_COLORKEY) );
3545 /*****************************************************************************
3546 * UpdateLayeredWindow (USER32.@)
3548 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3549 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3552 UPDATELAYEREDWINDOWINFO info;
3554 info.cbSize = sizeof(info);
3555 info.hdcDst = hdcDst;
3556 info.pptDst = pptDst;
3558 info.hdcSrc = hdcSrc;
3559 info.pptSrc = pptSrc;
3561 info.pblend = pblend;
3562 info.dwFlags = dwFlags;
3563 info.prcDirty = NULL;
3564 return UpdateLayeredWindowIndirect( hwnd, &info );
3568 /******************************************************************************
3569 * GetProcessDefaultLayout [USER32.@]
3571 * Gets the default layout for parentless windows.
3573 BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
3577 SetLastError( ERROR_NOACCESS );
3580 if (process_layout == ~0u)
3582 static const WCHAR translationW[] = { '\\','V','a','r','F','i','l','e','I','n','f','o',
3583 '\\','T','r','a','n','s','l','a','t','i','o','n', 0 };
3584 static const WCHAR filedescW[] = { '\\','S','t','r','i','n','g','F','i','l','e','I','n','f','o',
3585 '\\','%','0','4','x','%','0','4','x',
3586 '\\','F','i','l','e','D','e','s','c','r','i','p','t','i','o','n',0 };
3587 WCHAR *str, buffer[MAX_PATH];
3588 DWORD i, len, version_layout = 0;
3589 DWORD user_lang = GetUserDefaultLangID();
3593 GetModuleFileNameW( 0, buffer, MAX_PATH );
3594 if (!(len = GetFileVersionInfoSizeW( buffer, NULL ))) goto done;
3595 if (!(data = HeapAlloc( GetProcessHeap(), 0, len ))) goto done;
3596 if (!GetFileVersionInfoW( buffer, 0, len, data )) goto done;
3597 if (!VerQueryValueW( data, translationW, (void **)&languages, &len ) || !len) goto done;
3599 len /= sizeof(DWORD);
3600 for (i = 0; i < len; i++) if (LOWORD(languages[i]) == user_lang) break;
3601 if (i == len) /* try neutral language */
3602 for (i = 0; i < len; i++)
3603 if (LOWORD(languages[i]) == MAKELANGID( PRIMARYLANGID(user_lang), SUBLANG_NEUTRAL )) break;
3604 if (i == len) i = 0; /* default to the first one */
3606 sprintfW( buffer, filedescW, LOWORD(languages[i]), HIWORD(languages[i]) );
3607 if (!VerQueryValueW( data, buffer, (void **)&str, &len )) goto done;
3608 TRACE( "found description %s\n", debugstr_w( str ));
3609 if (str[0] == 0x200e && str[1] == 0x200e) version_layout = LAYOUT_RTL;
3612 HeapFree( GetProcessHeap(), 0, data );
3613 process_layout = version_layout;
3615 *layout = process_layout;
3620 /******************************************************************************
3621 * SetProcessDefaultLayout [USER32.@]
3623 * Sets the default layout for parentless windows.
3625 BOOL WINAPI SetProcessDefaultLayout( DWORD layout )
3627 process_layout = layout;
3632 /* 64bit versions */
3634 #ifdef GetWindowLongPtrW
3635 #undef GetWindowLongPtrW
3638 #ifdef GetWindowLongPtrA
3639 #undef GetWindowLongPtrA
3642 #ifdef SetWindowLongPtrW
3643 #undef SetWindowLongPtrW
3646 #ifdef SetWindowLongPtrA
3647 #undef SetWindowLongPtrA
3650 /*****************************************************************************
3651 * GetWindowLongPtrW (USER32.@)
3653 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3655 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3658 /*****************************************************************************
3659 * GetWindowLongPtrA (USER32.@)
3661 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3663 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3666 /*****************************************************************************
3667 * SetWindowLongPtrW (USER32.@)
3669 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3671 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3674 /*****************************************************************************
3675 * SetWindowLongPtrA (USER32.@)
3677 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3679 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );