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 );
743 OffsetRect( &window_rect, win->rectClient.left, win->rectClient.top );
744 OffsetRect( &client_rect, win->rectClient.left, win->rectClient.top );
748 if (rectWindow) *rectWindow = window_rect;
749 if (rectClient) *rectClient = client_rect;
750 WIN_ReleasePtr( win );
755 SERVER_START_REQ( get_window_rectangles )
757 req->handle = wine_server_user_handle( hwnd );
758 req->relative = relative;
759 if ((ret = !wine_server_call_err( req )))
763 rectWindow->left = reply->window.left;
764 rectWindow->top = reply->window.top;
765 rectWindow->right = reply->window.right;
766 rectWindow->bottom = reply->window.bottom;
770 rectClient->left = reply->client.left;
771 rectClient->top = reply->client.top;
772 rectClient->right = reply->client.right;
773 rectClient->bottom = reply->client.bottom;
782 /***********************************************************************
785 * Destroy storage associated to a window. "Internals" p.358
787 LRESULT WIN_DestroyWindow( HWND hwnd )
791 HMENU menu = 0, sys_menu;
794 TRACE("%p\n", hwnd );
796 /* free child windows */
797 if ((list = WIN_ListChildren( hwnd )))
800 for (i = 0; list[i]; i++)
802 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
803 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
805 HeapFree( GetProcessHeap(), 0, list );
808 /* Unlink now so we won't bother with the children later on */
809 SERVER_START_REQ( set_parent )
811 req->handle = wine_server_user_handle( hwnd );
813 wine_server_call( req );
818 * Send the WM_NCDESTROY to the window being destroyed.
820 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
822 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
824 /* free resources associated with the window */
826 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
827 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
828 menu = (HMENU)wndPtr->wIDmenu;
829 sys_menu = wndPtr->hSysMenu;
830 free_dce( wndPtr->dce, hwnd );
832 icon_title = wndPtr->icon_title;
833 HeapFree( GetProcessHeap(), 0, wndPtr->text );
835 HeapFree( GetProcessHeap(), 0, wndPtr->pScroll );
836 wndPtr->pScroll = NULL;
837 WIN_ReleasePtr( wndPtr );
839 if (icon_title) DestroyWindow( icon_title );
840 if (menu) DestroyMenu( menu );
841 if (sys_menu) DestroyMenu( sys_menu );
843 USER_Driver->pDestroyWindow( hwnd );
845 free_window_handle( hwnd );
850 /***********************************************************************
851 * destroy_thread_window
853 * Destroy a window upon exit of its thread.
855 static void destroy_thread_window( HWND hwnd )
859 HMENU menu = 0, sys_menu = 0;
862 /* free child windows */
864 if ((list = WIN_ListChildren( hwnd )))
867 for (i = 0; list[i]; i++)
869 if (WIN_IsCurrentThread( list[i] )) destroy_thread_window( list[i] );
870 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
872 HeapFree( GetProcessHeap(), 0, list );
875 /* destroy the client-side storage */
877 index = USER_HANDLE_TO_INDEX(hwnd);
878 if (index >= NB_USER_HANDLES) return;
880 if ((wndPtr = user_handles[index]))
882 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD) menu = (HMENU)wndPtr->wIDmenu;
883 sys_menu = wndPtr->hSysMenu;
884 free_dce( wndPtr->dce, hwnd );
885 InterlockedCompareExchangePointer( &user_handles[index], NULL, wndPtr );
889 HeapFree( GetProcessHeap(), 0, wndPtr );
890 if (menu) DestroyMenu( menu );
891 if (sys_menu) DestroyMenu( sys_menu );
895 /***********************************************************************
896 * destroy_thread_child_windows
898 * Destroy child windows upon exit of its thread.
900 static void destroy_thread_child_windows( HWND hwnd )
905 if (WIN_IsCurrentThread( hwnd ))
907 destroy_thread_window( hwnd );
909 else if ((list = WIN_ListChildren( hwnd )))
911 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
912 HeapFree( GetProcessHeap(), 0, list );
917 /***********************************************************************
918 * WIN_DestroyThreadWindows
920 * Destroy all children of 'wnd' owned by the current thread.
922 void WIN_DestroyThreadWindows( HWND hwnd )
927 if (!(list = WIN_ListChildren( hwnd ))) return;
929 /* reset owners of top-level windows */
930 for (i = 0; list[i]; i++)
932 if (!WIN_IsCurrentThread( list[i] ))
934 HWND owner = GetWindow( list[i], GW_OWNER );
935 if (owner && WIN_IsCurrentThread( owner )) WIN_SetOwner( list[i], 0 );
939 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
940 HeapFree( GetProcessHeap(), 0, list );
944 /***********************************************************************
947 * Fix the coordinates - Helper for WIN_CreateWindowEx.
948 * returns default show mode in sw.
950 static void WIN_FixCoordinates( CREATESTRUCTW *cs, INT *sw)
952 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == (SHORT)0x8000)
955 if (cs->dwExStyle & WS_EX_MDICHILD)
959 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
960 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
962 TRACE("MDI child id %04x\n", id);
965 if (cs->style & (WS_CHILD | WS_POPUP))
967 if (cs->dwExStyle & WS_EX_MDICHILD)
969 if (IS_DEFAULT(cs->x))
974 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
975 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
979 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
980 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
983 else /* overlapped window */
986 MONITORINFO mon_info;
989 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
991 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
992 mon_info.cbSize = sizeof(mon_info);
993 GetMonitorInfoW( monitor, &mon_info );
994 GetStartupInfoW( &info );
996 if (IS_DEFAULT(cs->x))
998 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
999 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
1000 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
1003 if (IS_DEFAULT(cs->cx))
1005 if (info.dwFlags & STARTF_USESIZE)
1007 cs->cx = info.dwXSize;
1008 cs->cy = info.dwYSize;
1012 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
1013 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
1016 /* neither x nor cx are default. Check the y values .
1017 * In the trace we see Outlook and Outlook Express using
1018 * cy set to CW_USEDEFAULT when opening the address book.
1020 else if (IS_DEFAULT(cs->cy))
1022 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
1023 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
1029 /***********************************************************************
1030 * dump_window_styles
1032 static void dump_window_styles( DWORD style, DWORD exstyle )
1035 if(style & WS_POPUP) TRACE(" WS_POPUP");
1036 if(style & WS_CHILD) TRACE(" WS_CHILD");
1037 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
1038 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
1039 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
1040 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
1041 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
1042 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
1043 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
1046 if(style & WS_BORDER) TRACE(" WS_BORDER");
1047 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
1049 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
1050 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
1051 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
1052 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
1053 if (style & WS_CHILD)
1055 if(style & WS_GROUP) TRACE(" WS_GROUP");
1056 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
1060 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
1061 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
1064 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
1065 #define DUMPED_STYLES \
1085 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
1087 #undef DUMPED_STYLES
1089 TRACE( "exstyle:" );
1090 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
1091 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
1092 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
1093 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
1094 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
1095 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
1096 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
1097 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
1098 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
1099 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
1100 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
1101 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
1102 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
1103 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
1104 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
1105 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
1106 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
1107 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
1108 if(exstyle & WS_EX_LAYOUTRTL) TRACE(" WS_EX_LAYOUTRTL");
1110 #define DUMPED_EX_STYLES \
1111 (WS_EX_DLGMODALFRAME | \
1112 WS_EX_DRAGDETECT | \
1113 WS_EX_NOPARENTNOTIFY | \
1115 WS_EX_ACCEPTFILES | \
1116 WS_EX_TRANSPARENT | \
1118 WS_EX_TOOLWINDOW | \
1119 WS_EX_WINDOWEDGE | \
1120 WS_EX_CLIENTEDGE | \
1121 WS_EX_CONTEXTHELP | \
1123 WS_EX_RTLREADING | \
1124 WS_EX_LEFTSCROLLBAR | \
1125 WS_EX_CONTROLPARENT | \
1126 WS_EX_STATICEDGE | \
1131 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
1133 #undef DUMPED_EX_STYLES
1137 /***********************************************************************
1138 * WIN_CreateWindowEx
1140 * Implementation of CreateWindowEx().
1142 HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode )
1144 INT cx, cy, style, sw = SW_SHOW;
1148 HWND hwnd, parent, owner, top_child = 0;
1149 MDICREATESTRUCTW mdi_cs;
1150 CBT_CREATEWNDW cbtc;
1153 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
1154 unicode ? debugstr_w(cs->lpszName) : debugstr_a((LPCSTR)cs->lpszName),
1155 debugstr_w(className),
1156 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
1157 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
1158 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
1160 /* Fix the styles for MDI children */
1161 if (cs->dwExStyle & WS_EX_MDICHILD)
1165 wndPtr = WIN_GetPtr(cs->hwndParent);
1166 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
1168 flags = wndPtr->flags;
1169 WIN_ReleasePtr(wndPtr);
1172 if (!(flags & WIN_ISMDICLIENT))
1174 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
1178 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
1179 * MDICREATESTRUCT members have the originally passed values.
1181 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
1182 * have the same layout.
1184 mdi_cs.szClass = cs->lpszClass;
1185 mdi_cs.szTitle = cs->lpszName;
1186 mdi_cs.hOwner = cs->hInstance;
1191 mdi_cs.style = cs->style;
1192 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
1194 cs->lpCreateParams = &mdi_cs;
1196 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
1198 if (cs->style & WS_POPUP)
1200 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
1203 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
1207 cs->style &= ~WS_POPUP;
1208 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
1209 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
1212 top_child = GetWindow(cs->hwndParent, GW_CHILD);
1216 /* Restore current maximized child */
1217 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
1219 TRACE("Restoring current maximized child %p\n", top_child);
1220 if (cs->style & WS_MAXIMIZE)
1222 /* if the new window is maximized don't bother repainting */
1223 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
1224 ShowWindow( top_child, SW_SHOWNORMAL );
1225 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
1227 else ShowWindow( top_child, SW_SHOWNORMAL );
1232 /* Find the parent window */
1234 parent = cs->hwndParent;
1237 if (cs->hwndParent == HWND_MESSAGE)
1239 cs->hwndParent = parent = get_hwnd_message_parent();
1241 else if (cs->hwndParent)
1243 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
1245 parent = GetDesktopWindow();
1246 owner = cs->hwndParent;
1250 DWORD parent_style = GetWindowLongW( parent, GWL_EXSTYLE );
1251 if ((parent_style & WS_EX_LAYOUTRTL) && !(parent_style & WS_EX_NOINHERITLAYOUT))
1252 cs->dwExStyle |= WS_EX_LAYOUTRTL;
1257 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
1259 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1261 WARN("No parent for child window\n" );
1262 SetLastError(ERROR_TLW_WITH_WSCHILD);
1263 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1265 /* are we creating the desktop or HWND_MESSAGE parent itself? */
1266 if (className != (LPCWSTR)DESKTOP_CLASS_ATOM &&
1267 (IS_INTRESOURCE(className) || strcmpiW( className, messageW )))
1270 GetProcessDefaultLayout( &layout );
1271 if (layout & LAYOUT_RTL) cs->dwExStyle |= WS_EX_LAYOUTRTL;
1272 parent = GetDesktopWindow();
1276 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1278 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1279 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1280 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1281 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1283 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1285 /* Create the window structure */
1287 if (!(wndPtr = create_window_handle( parent, owner, className, module, unicode )))
1289 hwnd = wndPtr->obj.handle;
1291 /* Fill the window structure */
1293 wndPtr->tid = GetCurrentThreadId();
1294 wndPtr->hInstance = cs->hInstance;
1295 wndPtr->text = NULL;
1296 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1297 wndPtr->dwExStyle = cs->dwExStyle;
1298 wndPtr->wIDmenu = 0;
1299 wndPtr->helpContext = 0;
1300 wndPtr->pScroll = NULL;
1301 wndPtr->userdata = 0;
1303 wndPtr->hIconSmall = 0;
1304 wndPtr->hSysMenu = 0;
1306 wndPtr->min_pos.x = wndPtr->min_pos.y = -1;
1307 wndPtr->max_pos.x = wndPtr->max_pos.y = -1;
1309 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1312 * Correct the window styles.
1314 * It affects only the style loaded into the WIN structure.
1317 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1319 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1320 if (!(wndPtr->dwStyle & WS_POPUP))
1321 wndPtr->dwStyle |= WS_CAPTION;
1325 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1326 * why does the user get to set it?
1329 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1330 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1331 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1333 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1335 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1336 wndPtr->flags |= WIN_NEED_SIZE;
1338 SERVER_START_REQ( set_window_info )
1340 req->handle = wine_server_user_handle( hwnd );
1341 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1342 req->style = wndPtr->dwStyle;
1343 req->ex_style = wndPtr->dwExStyle;
1344 req->instance = wine_server_client_ptr( wndPtr->hInstance );
1345 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1346 req->extra_offset = -1;
1347 wine_server_call( req );
1351 /* Set the window menu */
1353 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1357 if (!MENU_SetMenu(hwnd, cs->hMenu))
1359 WIN_ReleasePtr( wndPtr );
1360 free_window_handle( hwnd );
1366 LPCWSTR menuName = (LPCWSTR)GetClassLongPtrW( hwnd, GCLP_MENUNAME );
1369 cs->hMenu = LoadMenuW( cs->hInstance, menuName );
1370 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1374 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1376 /* call the WH_CBT hook */
1378 /* the window style passed to the hook must be the real window style,
1379 * rather than just the window style that the caller to CreateWindowEx
1380 * passed in, so we have to copy the original CREATESTRUCT and get the
1381 * the real style. */
1383 cbcs.style = wndPtr->dwStyle;
1385 cbtc.hwndInsertAfter = HWND_TOP;
1386 WIN_ReleasePtr( wndPtr );
1387 if (HOOK_CallHooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc, unicode )) goto failed;
1389 /* send the WM_GETMINMAXINFO message and fix the size if needed */
1393 if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD)))
1395 POINT maxSize, maxPos, minTrack, maxTrack;
1396 WINPOS_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack);
1397 if (maxTrack.x < cx) cx = maxTrack.x;
1398 if (maxTrack.y < cy) cy = maxTrack.y;
1399 if (minTrack.x > cx) cx = minTrack.x;
1400 if (minTrack.y > cy) cy = minTrack.y;
1405 SetRect( &rect, cs->x, cs->y, cs->x + cx, cs->y + cy );
1406 /* check for wraparound */
1407 if (cs->x + cx < cs->x) rect.right = 0x7fffffff;
1408 if (cs->y + cy < cs->y) rect.bottom = 0x7fffffff;
1409 if (!set_window_pos( hwnd, 0, SWP_NOZORDER | SWP_NOACTIVATE, &rect, &rect, NULL )) goto failed;
1411 /* send WM_NCCREATE */
1413 TRACE( "hwnd %p cs %d,%d %dx%d\n", hwnd, cs->x, cs->y, cx, cy );
1415 result = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1417 result = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1420 WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
1424 /* send WM_NCCALCSIZE */
1426 if (WIN_GetRectangles( hwnd, COORDS_PARENT, &rect, NULL ))
1428 /* yes, even if the CBT hook was called with HWND_TOP */
1429 HWND insert_after = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
1430 RECT client_rect = rect;
1432 /* the rectangle is in screen coords for WM_NCCALCSIZE when wparam is FALSE */
1433 MapWindowPoints( parent, 0, (POINT *)&client_rect, 2 );
1434 SendMessageW( hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&client_rect );
1435 MapWindowPoints( 0, parent, (POINT *)&client_rect, 2 );
1436 set_window_pos( hwnd, insert_after, SWP_NOACTIVATE, &rect, &client_rect, NULL );
1440 /* send WM_CREATE */
1443 result = SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs );
1445 result = SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs );
1446 if (result == -1) goto failed;
1448 /* call the driver */
1450 if (!USER_Driver->pCreateWindow( hwnd )) goto failed;
1452 NotifyWinEvent(EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0);
1454 /* send the size messages */
1456 if (!(wndPtr = WIN_GetPtr( hwnd )) ||
1457 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
1458 if (!(wndPtr->flags & WIN_NEED_SIZE))
1460 WIN_ReleasePtr( wndPtr );
1461 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &rect );
1462 SendMessageW( hwnd, WM_SIZE, SIZE_RESTORED,
1463 MAKELONG(rect.right-rect.left, rect.bottom-rect.top));
1464 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( rect.left, rect.top ) );
1466 else WIN_ReleasePtr( wndPtr );
1468 /* Show the window, maximizing or minimizing if needed */
1470 style = WIN_SetStyle( hwnd, 0, WS_MAXIMIZE | WS_MINIMIZE );
1471 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1474 UINT swFlag = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
1476 swFlag = WINPOS_MinMaximize( hwnd, swFlag, &newPos );
1477 swFlag |= SWP_FRAMECHANGED; /* Frame always gets changed */
1478 if (!(style & WS_VISIBLE) || (style & WS_CHILD) || GetActiveWindow()) swFlag |= SWP_NOACTIVATE;
1479 SetWindowPos( hwnd, 0, newPos.left, newPos.top, newPos.right - newPos.left,
1480 newPos.bottom - newPos.top, swFlag );
1483 /* Notify the parent window only */
1485 send_parent_notify( hwnd, WM_CREATE );
1486 if (!IsWindow( hwnd )) return 0;
1488 if (cs->style & WS_VISIBLE)
1490 if (cs->style & WS_MAXIMIZE)
1492 else if (cs->style & WS_MINIMIZE)
1493 sw = SW_SHOWMINIMIZED;
1495 ShowWindow( hwnd, sw );
1496 if (cs->dwExStyle & WS_EX_MDICHILD)
1498 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1499 /* ShowWindow won't activate child windows */
1500 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1504 /* Call WH_SHELL hook */
1506 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1507 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1509 TRACE("created window %p\n", hwnd);
1513 WIN_DestroyWindow( hwnd );
1518 /***********************************************************************
1519 * CreateWindowExA (USER32.@)
1521 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1522 LPCSTR windowName, DWORD style, INT x,
1523 INT y, INT width, INT height,
1524 HWND parent, HMENU menu,
1525 HINSTANCE instance, LPVOID data )
1529 cs.lpCreateParams = data;
1530 cs.hInstance = instance;
1532 cs.hwndParent = parent;
1538 cs.lpszName = windowName;
1539 cs.lpszClass = className;
1540 cs.dwExStyle = exStyle;
1542 if (!IS_INTRESOURCE(className))
1545 if (!MultiByteToWideChar( CP_ACP, 0, className, -1, bufferW, sizeof(bufferW)/sizeof(WCHAR) ))
1547 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, bufferW, instance, FALSE );
1549 /* Note: we rely on the fact that CREATESTRUCTA and */
1550 /* CREATESTRUCTW have the same layout. */
1551 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, (LPCWSTR)className, instance, FALSE );
1555 /***********************************************************************
1556 * CreateWindowExW (USER32.@)
1558 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1559 LPCWSTR windowName, DWORD style, INT x,
1560 INT y, INT width, INT height,
1561 HWND parent, HMENU menu,
1562 HINSTANCE instance, LPVOID data )
1566 cs.lpCreateParams = data;
1567 cs.hInstance = instance;
1569 cs.hwndParent = parent;
1575 cs.lpszName = windowName;
1576 cs.lpszClass = className;
1577 cs.dwExStyle = exStyle;
1579 return wow_handlers.create_window( &cs, className, instance, TRUE );
1583 /***********************************************************************
1584 * WIN_SendDestroyMsg
1586 static void WIN_SendDestroyMsg( HWND hwnd )
1590 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1592 if (hwnd == info.hwndCaret) DestroyCaret();
1593 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1597 * Send the WM_DESTROY to the window.
1599 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1602 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1603 * make sure that the window still exists when we come back.
1610 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1612 for (i = 0; pWndArray[i]; i++)
1614 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1616 HeapFree( GetProcessHeap(), 0, pWndArray );
1619 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1623 /***********************************************************************
1624 * DestroyWindow (USER32.@)
1626 BOOL WINAPI DestroyWindow( HWND hwnd )
1630 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || is_desktop_window( hwnd ))
1632 SetLastError( ERROR_ACCESS_DENIED );
1636 TRACE("(%p)\n", hwnd);
1640 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1642 if (MENU_IsMenuActive() == hwnd)
1645 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1649 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1650 send_parent_notify( hwnd, WM_DESTROY );
1652 else if (!GetWindow( hwnd, GW_OWNER ))
1654 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1655 /* FIXME: clean up palette - see "Internals" p.352 */
1658 if (!IsWindow(hwnd)) return TRUE;
1660 /* Hide the window */
1661 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1663 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1665 ShowWindow( hwnd, SW_HIDE );
1667 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1668 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1671 if (!IsWindow(hwnd)) return TRUE;
1673 /* Recursively destroy owned windows */
1680 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1683 for (i = 0; list[i]; i++)
1685 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1686 if (WIN_IsCurrentThread( list[i] ))
1688 DestroyWindow( list[i] );
1692 WIN_SetOwner( list[i], 0 );
1694 HeapFree( GetProcessHeap(), 0, list );
1696 if (!got_one) break;
1700 /* Send destroy messages */
1702 WIN_SendDestroyMsg( hwnd );
1703 if (!IsWindow( hwnd )) return TRUE;
1705 if (GetClipboardOwner() == hwnd)
1706 CLIPBOARD_ReleaseOwner();
1708 /* Destroy the window storage */
1710 WIN_DestroyWindow( hwnd );
1715 /***********************************************************************
1716 * CloseWindow (USER32.@)
1718 BOOL WINAPI CloseWindow( HWND hwnd )
1720 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1721 ShowWindow( hwnd, SW_MINIMIZE );
1726 /***********************************************************************
1727 * OpenIcon (USER32.@)
1729 BOOL WINAPI OpenIcon( HWND hwnd )
1731 if (!IsIconic( hwnd )) return FALSE;
1732 ShowWindow( hwnd, SW_SHOWNORMAL );
1737 /***********************************************************************
1738 * FindWindowExW (USER32.@)
1740 HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title )
1745 WCHAR *buffer = NULL;
1747 if (!parent && child) parent = GetDesktopWindow();
1748 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
1752 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1753 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1756 if (!(list = list_window_children( 0, parent, className, 0 ))) goto done;
1760 child = WIN_GetFullHandle( child );
1761 while (list[i] && list[i] != child) i++;
1762 if (!list[i]) goto done;
1763 i++; /* start from next window */
1770 if (GetWindowTextW( list[i], buffer, len + 1 ))
1772 if (!strcmpiW( buffer, title )) break;
1776 if (!title[0]) break;
1784 HeapFree( GetProcessHeap(), 0, list );
1785 HeapFree( GetProcessHeap(), 0, buffer );
1791 /***********************************************************************
1792 * FindWindowA (USER32.@)
1794 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1796 HWND ret = FindWindowExA( 0, 0, className, title );
1797 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1802 /***********************************************************************
1803 * FindWindowExA (USER32.@)
1805 HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title )
1807 LPWSTR titleW = NULL;
1812 DWORD len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1813 if (!(titleW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1814 MultiByteToWideChar( CP_ACP, 0, title, -1, titleW, len );
1817 if (!IS_INTRESOURCE(className))
1820 if (MultiByteToWideChar( CP_ACP, 0, className, -1, classW, sizeof(classW)/sizeof(WCHAR) ))
1821 hwnd = FindWindowExW( parent, child, classW, titleW );
1825 hwnd = FindWindowExW( parent, child, (LPCWSTR)className, titleW );
1828 HeapFree( GetProcessHeap(), 0, titleW );
1833 /***********************************************************************
1834 * FindWindowW (USER32.@)
1836 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1838 return FindWindowExW( 0, 0, className, title );
1842 /**********************************************************************
1843 * GetDesktopWindow (USER32.@)
1845 HWND WINAPI GetDesktopWindow(void)
1847 struct user_thread_info *thread_info = get_user_thread_info();
1849 if (thread_info->top_window) return thread_info->top_window;
1851 SERVER_START_REQ( get_desktop_window )
1854 if (!wine_server_call( req ))
1856 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1857 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1862 if (!thread_info->top_window)
1864 USEROBJECTFLAGS flags;
1865 if (!GetUserObjectInformationW( GetProcessWindowStation(), UOI_FLAGS, &flags,
1866 sizeof(flags), NULL ) || (flags.dwFlags & WSF_VISIBLE))
1868 static const WCHAR explorer[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',0};
1869 static const WCHAR args[] = {' ','/','d','e','s','k','t','o','p',0};
1871 PROCESS_INFORMATION pi;
1872 WCHAR windir[MAX_PATH];
1873 WCHAR app[MAX_PATH + sizeof(explorer)/sizeof(WCHAR)];
1874 WCHAR cmdline[MAX_PATH + (sizeof(explorer) + sizeof(args))/sizeof(WCHAR)];
1877 memset( &si, 0, sizeof(si) );
1879 si.dwFlags = STARTF_USESTDHANDLES;
1882 si.hStdError = GetStdHandle( STD_ERROR_HANDLE );
1884 GetSystemDirectoryW( windir, MAX_PATH );
1885 strcpyW( app, windir );
1886 strcatW( app, explorer );
1887 strcpyW( cmdline, app );
1888 strcatW( cmdline, args );
1890 Wow64DisableWow64FsRedirection( &redir );
1891 if (CreateProcessW( app, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1892 NULL, windir, &si, &pi ))
1894 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1895 WaitForInputIdle( pi.hProcess, 10000 );
1896 CloseHandle( pi.hThread );
1897 CloseHandle( pi.hProcess );
1899 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1900 Wow64RevertWow64FsRedirection( redir );
1902 else TRACE( "not starting explorer since winstation is not visible\n" );
1904 SERVER_START_REQ( get_desktop_window )
1907 if (!wine_server_call( req ))
1909 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1910 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1916 if (!thread_info->top_window || !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
1917 ERR( "failed to create desktop window\n" );
1919 return thread_info->top_window;
1923 /*******************************************************************
1924 * EnableWindow (USER32.@)
1926 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1931 if (is_broadcast(hwnd))
1933 SetLastError( ERROR_INVALID_PARAMETER );
1937 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1938 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1942 TRACE("( %p, %d )\n", hwnd, enable);
1944 retvalue = !IsWindowEnabled( hwnd );
1946 if (enable && retvalue)
1948 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1949 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1951 else if (!enable && !retvalue)
1955 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1957 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1959 if (hwnd == GetFocus())
1960 SetFocus( 0 ); /* A disabled window can't have the focus */
1962 capture_wnd = GetCapture();
1963 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1964 ReleaseCapture(); /* A disabled window can't capture the mouse */
1966 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1972 /***********************************************************************
1973 * IsWindowEnabled (USER32.@)
1975 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1977 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1981 /***********************************************************************
1982 * IsWindowUnicode (USER32.@)
1984 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1987 BOOL retvalue = FALSE;
1989 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1991 if (wndPtr == WND_DESKTOP) return TRUE;
1993 if (wndPtr != WND_OTHER_PROCESS)
1995 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1996 WIN_ReleasePtr( wndPtr );
2000 SERVER_START_REQ( get_window_info )
2002 req->handle = wine_server_user_handle( hwnd );
2003 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
2011 /**********************************************************************
2014 * Helper function for GetWindowLong().
2016 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
2018 LONG_PTR retvalue = 0;
2021 if (offset == GWLP_HWNDPARENT)
2023 HWND parent = GetAncestor( hwnd, GA_PARENT );
2024 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
2025 return (ULONG_PTR)parent;
2028 if (!(wndPtr = WIN_GetPtr( hwnd )))
2030 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2034 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
2036 if (offset == GWLP_WNDPROC)
2038 SetLastError( ERROR_ACCESS_DENIED );
2041 SERVER_START_REQ( set_window_info )
2043 req->handle = wine_server_user_handle( hwnd );
2044 req->flags = 0; /* don't set anything, just retrieve */
2045 req->extra_offset = (offset >= 0) ? offset : -1;
2046 req->extra_size = (offset >= 0) ? size : 0;
2047 if (!wine_server_call_err( req ))
2051 case GWL_STYLE: retvalue = reply->old_style; break;
2052 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
2053 case GWLP_ID: retvalue = reply->old_id; break;
2054 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wine_server_get_ptr( reply->old_instance ); break;
2055 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
2057 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
2058 else SetLastError( ERROR_INVALID_INDEX );
2067 /* now we have a valid wndPtr */
2071 if (offset > (int)(wndPtr->cbWndExtra - size))
2073 WARN("Invalid offset %d\n", offset );
2074 WIN_ReleasePtr( wndPtr );
2075 SetLastError( ERROR_INVALID_INDEX );
2078 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
2080 /* Special case for dialog window procedure */
2081 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2082 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
2083 WIN_ReleasePtr( wndPtr );
2089 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
2090 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
2091 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
2092 case GWLP_ID: retvalue = wndPtr->wIDmenu; break;
2093 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
2095 /* This looks like a hack only for the edit control (see tests). This makes these controls
2096 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
2097 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
2099 if (wndPtr->winproc == BUILTIN_WINPROC(WINPROC_EDIT) && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
2100 retvalue = (ULONG_PTR)wndPtr->winproc;
2102 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
2105 WARN("Unknown offset %d\n", offset );
2106 SetLastError( ERROR_INVALID_INDEX );
2109 WIN_ReleasePtr(wndPtr);
2114 /**********************************************************************
2117 * Helper function for SetWindowLong().
2119 * 0 is the failure code. However, in the case of failure SetLastError
2120 * must be set to distinguish between a 0 return value and a failure.
2122 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
2126 LONG_PTR retval = 0;
2129 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
2131 if (is_broadcast(hwnd))
2133 SetLastError( ERROR_INVALID_PARAMETER );
2137 if (!(wndPtr = WIN_GetPtr( hwnd )))
2139 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2142 if (wndPtr == WND_DESKTOP)
2144 /* can't change anything on the desktop window */
2145 SetLastError( ERROR_ACCESS_DENIED );
2148 if (wndPtr == WND_OTHER_PROCESS)
2150 if (offset == GWLP_WNDPROC)
2152 SetLastError( ERROR_ACCESS_DENIED );
2155 if (offset > 32767 || offset < -32767)
2157 SetLastError( ERROR_INVALID_INDEX );
2160 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
2163 /* first some special cases */
2167 style.styleOld = wndPtr->dwStyle;
2168 style.styleNew = newval;
2169 WIN_ReleasePtr( wndPtr );
2170 SendMessageW( hwnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM)&style );
2171 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2172 newval = style.styleNew;
2173 /* WS_CLIPSIBLINGS can't be reset on top-level windows */
2174 if (wndPtr->parent == GetDesktopWindow()) newval |= WS_CLIPSIBLINGS;
2177 style.styleOld = wndPtr->dwExStyle;
2178 style.styleNew = newval;
2179 WIN_ReleasePtr( wndPtr );
2180 SendMessageW( hwnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM)&style );
2181 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2182 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
2183 newval = (style.styleNew & ~WS_EX_TOPMOST) | (wndPtr->dwExStyle & WS_EX_TOPMOST);
2184 /* WS_EX_WINDOWEDGE depends on some other styles */
2185 if ((newval & WS_EX_DLGMODALFRAME) || (wndPtr->dwStyle & WS_THICKFRAME))
2186 newval |= WS_EX_WINDOWEDGE;
2187 else if (wndPtr->dwStyle & (WS_CHILD|WS_POPUP))
2188 newval &= ~WS_EX_WINDOWEDGE;
2190 case GWLP_HWNDPARENT:
2191 if (wndPtr->parent == GetDesktopWindow())
2193 WIN_ReleasePtr( wndPtr );
2194 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
2198 WIN_ReleasePtr( wndPtr );
2199 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
2204 UINT old_flags = wndPtr->flags;
2205 retval = WIN_GetWindowLong( hwnd, offset, size, unicode );
2206 proc = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2207 if (proc) wndPtr->winproc = proc;
2208 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
2209 else wndPtr->flags &= ~WIN_ISUNICODE;
2210 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
2212 WIN_ReleasePtr( wndPtr );
2215 /* update is_unicode flag on the server side */
2219 case GWLP_HINSTANCE:
2223 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2224 (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2226 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
2227 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
2228 *ptr = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2229 WIN_ReleasePtr( wndPtr );
2234 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
2236 WARN("Invalid offset %d\n", offset );
2237 WIN_ReleasePtr( wndPtr );
2238 SetLastError( ERROR_INVALID_INDEX );
2241 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
2243 /* already set to the same value */
2244 WIN_ReleasePtr( wndPtr );
2250 SERVER_START_REQ( set_window_info )
2252 req->handle = wine_server_user_handle( hwnd );
2253 req->extra_offset = -1;
2257 req->flags = SET_WIN_STYLE;
2258 req->style = newval;
2261 req->flags = SET_WIN_EXSTYLE;
2262 req->ex_style = newval;
2265 req->flags = SET_WIN_ID;
2268 case GWLP_HINSTANCE:
2269 req->flags = SET_WIN_INSTANCE;
2270 req->instance = wine_server_client_ptr( (void *)newval );
2273 req->flags = SET_WIN_UNICODE;
2274 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
2277 req->flags = SET_WIN_USERDATA;
2278 req->user_data = newval;
2281 req->flags = SET_WIN_EXTRA;
2282 req->extra_offset = offset;
2283 req->extra_size = size;
2284 set_win_data( &req->extra_value, newval, size );
2286 if ((ok = !wine_server_call_err( req )))
2291 wndPtr->dwStyle = newval;
2292 retval = reply->old_style;
2295 wndPtr->dwExStyle = newval;
2296 retval = reply->old_ex_style;
2299 wndPtr->wIDmenu = newval;
2300 retval = reply->old_id;
2302 case GWLP_HINSTANCE:
2303 wndPtr->hInstance = (HINSTANCE)newval;
2304 retval = (ULONG_PTR)wine_server_get_ptr( reply->old_instance );
2309 wndPtr->userdata = newval;
2310 retval = reply->old_user_data;
2313 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2314 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2320 WIN_ReleasePtr( wndPtr );
2324 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2326 style.styleOld = retval;
2327 style.styleNew = newval;
2328 USER_Driver->pSetWindowStyle( hwnd, offset, &style );
2329 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2336 /**********************************************************************
2337 * GetWindowWord (USER32.@)
2339 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2344 case GWLP_HINSTANCE:
2345 case GWLP_HWNDPARENT:
2350 WARN("Invalid offset %d\n", offset );
2351 SetLastError( ERROR_INVALID_INDEX );
2356 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2360 /**********************************************************************
2361 * GetWindowLongA (USER32.@)
2363 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2365 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2369 /**********************************************************************
2370 * GetWindowLongW (USER32.@)
2372 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2374 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2378 /**********************************************************************
2379 * SetWindowWord (USER32.@)
2381 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2386 case GWLP_HINSTANCE:
2387 case GWLP_HWNDPARENT:
2392 WARN("Invalid offset %d\n", offset );
2393 SetLastError( ERROR_INVALID_INDEX );
2398 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2402 /**********************************************************************
2403 * SetWindowLongA (USER32.@)
2405 * See SetWindowLongW.
2407 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2409 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2413 /**********************************************************************
2414 * SetWindowLongW (USER32.@) Set window attribute
2416 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2417 * value in a window's extra memory.
2419 * The _hwnd_ parameter specifies the window. is the handle to a
2420 * window that has extra memory. The _newval_ parameter contains the
2421 * new attribute or extra memory value. If positive, the _offset_
2422 * parameter is the byte-addressed location in the window's extra
2423 * memory to set. If negative, _offset_ specifies the window
2424 * attribute to set, and should be one of the following values:
2426 * GWL_EXSTYLE The window's extended window style
2428 * GWL_STYLE The window's window style.
2430 * GWLP_WNDPROC Pointer to the window's window procedure.
2432 * GWLP_HINSTANCE The window's pplication instance handle.
2434 * GWLP_ID The window's identifier.
2436 * GWLP_USERDATA The window's user-specified data.
2438 * If the window is a dialog box, the _offset_ parameter can be one of
2439 * the following values:
2441 * DWLP_DLGPROC The address of the window's dialog box procedure.
2443 * DWLP_MSGRESULT The return value of a message
2444 * that the dialog box procedure processed.
2446 * DWLP_USER Application specific information.
2450 * If successful, returns the previous value located at _offset_. Otherwise,
2455 * Extra memory for a window class is specified by a nonzero cbWndExtra
2456 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2457 * time of class creation.
2459 * Using GWL_WNDPROC to set a new window procedure effectively creates
2460 * a window subclass. Use CallWindowProc() in the new windows procedure
2461 * to pass messages to the superclass's window procedure.
2463 * The user data is reserved for use by the application which created
2466 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2467 * instead, call the EnableWindow() function to change the window's
2470 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2471 * SetParent() instead.
2474 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2475 * it sends WM_STYLECHANGING before changing the settings
2476 * and WM_STYLECHANGED afterwards.
2477 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2479 LONG WINAPI SetWindowLongW(
2480 HWND hwnd, /* [in] window to alter */
2481 INT offset, /* [in] offset, in bytes, of location to alter */
2482 LONG newval /* [in] new value of location */
2484 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2488 /*******************************************************************
2489 * GetWindowTextA (USER32.@)
2491 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2495 if (!lpString) return 0;
2497 if (WIN_IsCurrentProcess( hwnd ))
2498 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2500 /* when window belongs to other process, don't send a message */
2501 if (nMaxCount <= 0) return 0;
2502 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2503 get_server_window_text( hwnd, buffer, nMaxCount );
2504 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2505 lpString[nMaxCount-1] = 0;
2506 HeapFree( GetProcessHeap(), 0, buffer );
2507 return strlen(lpString);
2511 /*******************************************************************
2512 * InternalGetWindowText (USER32.@)
2514 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2518 if (nMaxCount <= 0) return 0;
2519 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2520 if (win == WND_DESKTOP) lpString[0] = 0;
2521 else if (win != WND_OTHER_PROCESS)
2523 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2524 else lpString[0] = 0;
2525 WIN_ReleasePtr( win );
2529 get_server_window_text( hwnd, lpString, nMaxCount );
2531 return strlenW(lpString);
2535 /*******************************************************************
2536 * GetWindowTextW (USER32.@)
2538 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2540 if (!lpString) return 0;
2542 if (WIN_IsCurrentProcess( hwnd ))
2543 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2545 /* when window belongs to other process, don't send a message */
2546 if (nMaxCount <= 0) return 0;
2547 get_server_window_text( hwnd, lpString, nMaxCount );
2548 return strlenW(lpString);
2552 /*******************************************************************
2553 * SetWindowTextA (USER32.@)
2554 * SetWindowText (USER32.@)
2556 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2558 if (is_broadcast(hwnd))
2560 SetLastError( ERROR_INVALID_PARAMETER );
2563 if (!WIN_IsCurrentProcess( hwnd ))
2564 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2565 debugstr_a(lpString), hwnd );
2566 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2570 /*******************************************************************
2571 * SetWindowTextW (USER32.@)
2573 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2575 if (is_broadcast(hwnd))
2577 SetLastError( ERROR_INVALID_PARAMETER );
2580 if (!WIN_IsCurrentProcess( hwnd ))
2581 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2582 debugstr_w(lpString), hwnd );
2583 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2587 /*******************************************************************
2588 * GetWindowTextLengthA (USER32.@)
2590 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2592 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2595 /*******************************************************************
2596 * GetWindowTextLengthW (USER32.@)
2598 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2600 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2604 /*******************************************************************
2605 * IsWindow (USER32.@)
2607 BOOL WINAPI IsWindow( HWND hwnd )
2612 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2613 if (ptr == WND_DESKTOP) return TRUE;
2615 if (ptr != WND_OTHER_PROCESS)
2617 WIN_ReleasePtr( ptr );
2621 /* check other processes */
2622 SERVER_START_REQ( get_window_info )
2624 req->handle = wine_server_user_handle( hwnd );
2625 ret = !wine_server_call_err( req );
2632 /***********************************************************************
2633 * GetWindowThreadProcessId (USER32.@)
2635 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2640 if (!(ptr = WIN_GetPtr( hwnd )))
2642 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2646 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2648 /* got a valid window */
2650 if (process) *process = GetCurrentProcessId();
2651 WIN_ReleasePtr( ptr );
2655 /* check other processes */
2656 SERVER_START_REQ( get_window_info )
2658 req->handle = wine_server_user_handle( hwnd );
2659 if (!wine_server_call_err( req ))
2661 tid = (DWORD)reply->tid;
2662 if (process) *process = (DWORD)reply->pid;
2670 /*****************************************************************
2671 * GetParent (USER32.@)
2673 HWND WINAPI GetParent( HWND hwnd )
2678 if (!(wndPtr = WIN_GetPtr( hwnd )))
2680 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2683 if (wndPtr == WND_DESKTOP) return 0;
2684 if (wndPtr == WND_OTHER_PROCESS)
2686 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2687 if (style & (WS_POPUP | WS_CHILD))
2689 SERVER_START_REQ( get_window_tree )
2691 req->handle = wine_server_user_handle( hwnd );
2692 if (!wine_server_call_err( req ))
2694 if (style & WS_POPUP) retvalue = wine_server_ptr_handle( reply->owner );
2695 else if (style & WS_CHILD) retvalue = wine_server_ptr_handle( reply->parent );
2703 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2704 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2705 WIN_ReleasePtr( wndPtr );
2711 /*****************************************************************
2712 * GetAncestor (USER32.@)
2714 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2717 HWND *list, ret = 0;
2722 if (!(win = WIN_GetPtr( hwnd )))
2724 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2727 if (win == WND_DESKTOP) return 0;
2728 if (win != WND_OTHER_PROCESS)
2731 WIN_ReleasePtr( win );
2733 else /* need to query the server */
2735 SERVER_START_REQ( get_window_tree )
2737 req->handle = wine_server_user_handle( hwnd );
2738 if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->parent );
2745 if (!(list = list_window_parents( hwnd ))) return 0;
2747 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2751 while (list[count]) count++;
2752 ret = list[count - 2]; /* get the one before the desktop */
2754 HeapFree( GetProcessHeap(), 0, list );
2758 if (is_desktop_window( hwnd )) return 0;
2759 ret = WIN_GetFullHandle( hwnd );
2762 HWND parent = GetParent( ret );
2772 /*****************************************************************
2773 * SetParent (USER32.@)
2775 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2778 HWND old_parent = 0;
2783 if (is_broadcast(hwnd) || is_broadcast(parent))
2785 SetLastError(ERROR_INVALID_PARAMETER);
2789 if (!parent) parent = GetDesktopWindow();
2790 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
2791 else parent = WIN_GetFullHandle( parent );
2793 if (!IsWindow( parent ))
2795 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2799 /* Some applications try to set a child as a parent */
2800 if (IsChild(hwnd, parent))
2802 SetLastError( ERROR_INVALID_PARAMETER );
2806 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2807 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2809 if (full_handle == parent)
2811 SetLastError( ERROR_INVALID_PARAMETER );
2815 /* Windows hides the window first, then shows it again
2816 * including the WM_SHOWWINDOW messages and all */
2817 was_visible = ShowWindow( hwnd, SW_HIDE );
2819 wndPtr = WIN_GetPtr( hwnd );
2820 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2822 SERVER_START_REQ( set_parent )
2824 req->handle = wine_server_user_handle( hwnd );
2825 req->parent = wine_server_user_handle( parent );
2826 if ((ret = !wine_server_call( req )))
2828 old_parent = wine_server_ptr_handle( reply->old_parent );
2829 wndPtr->parent = parent = wine_server_ptr_handle( reply->full_parent );
2834 WIN_ReleasePtr( wndPtr );
2837 USER_Driver->pSetParent( full_handle, parent, old_parent );
2839 /* SetParent additionally needs to make hwnd the topmost window
2840 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2841 WM_WINDOWPOSCHANGED notification messages.
2843 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0,
2844 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2845 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2846 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2852 /*******************************************************************
2853 * IsChild (USER32.@)
2855 BOOL WINAPI IsChild( HWND parent, HWND child )
2857 HWND *list = list_window_parents( child );
2861 if (!list) return FALSE;
2862 parent = WIN_GetFullHandle( parent );
2863 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2864 ret = list[i] && list[i+1];
2865 HeapFree( GetProcessHeap(), 0, list );
2870 /***********************************************************************
2871 * IsWindowVisible (USER32.@)
2873 BOOL WINAPI IsWindowVisible( HWND hwnd )
2879 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2880 if (!(list = list_window_parents( hwnd ))) return TRUE;
2883 for (i = 0; list[i+1]; i++)
2884 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2885 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2887 HeapFree( GetProcessHeap(), 0, list );
2892 /***********************************************************************
2893 * WIN_IsWindowDrawable
2895 * hwnd is drawable when it is visible, all parents are not
2896 * minimized, and it is itself not minimized unless we are
2897 * trying to draw its default class icon.
2899 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2904 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2906 if (!(style & WS_VISIBLE)) return FALSE;
2907 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2909 if (!(list = list_window_parents( hwnd ))) return TRUE;
2912 for (i = 0; list[i+1]; i++)
2913 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2915 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2917 HeapFree( GetProcessHeap(), 0, list );
2922 /*******************************************************************
2923 * GetTopWindow (USER32.@)
2925 HWND WINAPI GetTopWindow( HWND hwnd )
2927 if (!hwnd) hwnd = GetDesktopWindow();
2928 return GetWindow( hwnd, GW_CHILD );
2932 /*******************************************************************
2933 * GetWindow (USER32.@)
2935 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2939 if (rel == GW_OWNER) /* this one may be available locally */
2941 WND *wndPtr = WIN_GetPtr( hwnd );
2944 SetLastError( ERROR_INVALID_HANDLE );
2947 if (wndPtr == WND_DESKTOP) return 0;
2948 if (wndPtr != WND_OTHER_PROCESS)
2950 retval = wndPtr->owner;
2951 WIN_ReleasePtr( wndPtr );
2954 /* else fall through to server call */
2957 SERVER_START_REQ( get_window_tree )
2959 req->handle = wine_server_user_handle( hwnd );
2960 if (!wine_server_call_err( req ))
2965 retval = wine_server_ptr_handle( reply->first_sibling );
2968 retval = wine_server_ptr_handle( reply->last_sibling );
2971 retval = wine_server_ptr_handle( reply->next_sibling );
2974 retval = wine_server_ptr_handle( reply->prev_sibling );
2977 retval = wine_server_ptr_handle( reply->owner );
2980 retval = wine_server_ptr_handle( reply->first_child );
2990 /*******************************************************************
2991 * ShowOwnedPopups (USER32.@)
2993 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2997 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2999 if (!win_array) return TRUE;
3001 while (win_array[count]) count++;
3002 while (--count >= 0)
3004 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
3005 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
3006 if (pWnd == WND_OTHER_PROCESS) continue;
3009 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
3011 WIN_ReleasePtr( pWnd );
3012 /* In Windows, ShowOwnedPopups(TRUE) generates
3013 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
3014 * regardless of the state of the owner
3016 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
3022 if (pWnd->dwStyle & WS_VISIBLE)
3024 WIN_ReleasePtr( pWnd );
3025 /* In Windows, ShowOwnedPopups(FALSE) generates
3026 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
3027 * regardless of the state of the owner
3029 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
3033 WIN_ReleasePtr( pWnd );
3035 HeapFree( GetProcessHeap(), 0, win_array );
3040 /*******************************************************************
3041 * GetLastActivePopup (USER32.@)
3043 HWND WINAPI GetLastActivePopup( HWND hwnd )
3047 SERVER_START_REQ( get_window_info )
3049 req->handle = wine_server_user_handle( hwnd );
3050 if (!wine_server_call_err( req )) retval = wine_server_ptr_handle( reply->last_active );
3057 /*******************************************************************
3060 * Build an array of the children of a given window. The array must be
3061 * freed with HeapFree. Returns NULL when no windows are found.
3063 HWND *WIN_ListChildren( HWND hwnd )
3067 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3070 return list_window_children( 0, hwnd, NULL, 0 );
3074 /*******************************************************************
3075 * EnumWindows (USER32.@)
3077 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
3083 USER_CheckNotLock();
3085 /* We have to build a list of all windows first, to avoid */
3086 /* unpleasant side-effects, for instance if the callback */
3087 /* function changes the Z-order of the windows. */
3089 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
3091 /* Now call the callback function for every window */
3093 for (i = 0; list[i]; i++)
3095 /* Make sure that the window still exists */
3096 if (!IsWindow( list[i] )) continue;
3097 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
3099 HeapFree( GetProcessHeap(), 0, list );
3104 /**********************************************************************
3105 * EnumThreadWindows (USER32.@)
3107 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
3113 USER_CheckNotLock();
3115 if (!(list = list_window_children( 0, GetDesktopWindow(), NULL, id ))) return TRUE;
3117 /* Now call the callback function for every window */
3119 for (i = 0; list[i]; i++)
3120 if (!(ret = func( list[i], lParam ))) break;
3121 HeapFree( GetProcessHeap(), 0, list );
3126 /***********************************************************************
3127 * EnumDesktopWindows (USER32.@)
3129 BOOL WINAPI EnumDesktopWindows( HDESK desktop, WNDENUMPROC func, LPARAM lparam )
3134 USER_CheckNotLock();
3136 if (!(list = list_window_children( desktop, 0, NULL, 0 ))) return TRUE;
3138 for (i = 0; list[i]; i++)
3139 if (!func( list[i], lparam )) break;
3140 HeapFree( GetProcessHeap(), 0, list );
3145 /**********************************************************************
3146 * WIN_EnumChildWindows
3148 * Helper function for EnumChildWindows().
3150 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
3155 for ( ; *list; list++)
3157 /* Make sure that the window still exists */
3158 if (!IsWindow( *list )) continue;
3159 /* Build children list first */
3160 childList = WIN_ListChildren( *list );
3162 ret = func( *list, lParam );
3166 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3167 HeapFree( GetProcessHeap(), 0, childList );
3169 if (!ret) return FALSE;
3175 /**********************************************************************
3176 * EnumChildWindows (USER32.@)
3178 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3183 USER_CheckNotLock();
3185 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3186 ret = WIN_EnumChildWindows( list, func, lParam );
3187 HeapFree( GetProcessHeap(), 0, list );
3192 /*******************************************************************
3193 * AnyPopup (USER32.@)
3195 BOOL WINAPI AnyPopup(void)
3199 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3201 if (!list) return FALSE;
3202 for (i = 0; list[i]; i++)
3204 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3206 retvalue = (list[i] != 0);
3207 HeapFree( GetProcessHeap(), 0, list );
3212 /*******************************************************************
3213 * FlashWindow (USER32.@)
3215 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3219 TRACE("%p\n", hWnd);
3221 if (IsIconic( hWnd ))
3223 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3225 wndPtr = WIN_GetPtr(hWnd);
3226 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3227 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3229 wndPtr->flags |= WIN_NCACTIVATED;
3233 wndPtr->flags &= ~WIN_NCACTIVATED;
3235 WIN_ReleasePtr( wndPtr );
3242 wndPtr = WIN_GetPtr(hWnd);
3243 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3244 hWnd = wndPtr->obj.handle; /* make it a full handle */
3246 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3247 else wparam = (hWnd == GetForegroundWindow());
3249 WIN_ReleasePtr( wndPtr );
3250 SendMessageW( hWnd, WM_NCACTIVATE, wparam, 0 );
3255 /*******************************************************************
3256 * FlashWindowEx (USER32.@)
3258 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3260 FIXME("%p\n", pfwi);
3264 /*******************************************************************
3265 * GetWindowContextHelpId (USER32.@)
3267 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3270 WND *wnd = WIN_GetPtr( hwnd );
3271 if (!wnd || wnd == WND_DESKTOP) return 0;
3272 if (wnd == WND_OTHER_PROCESS)
3274 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3277 retval = wnd->helpContext;
3278 WIN_ReleasePtr( wnd );
3283 /*******************************************************************
3284 * SetWindowContextHelpId (USER32.@)
3286 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3288 WND *wnd = WIN_GetPtr( hwnd );
3289 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3290 if (wnd == WND_OTHER_PROCESS)
3292 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3295 wnd->helpContext = id;
3296 WIN_ReleasePtr( wnd );
3301 /*******************************************************************
3302 * DragDetect (USER32.@)
3304 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3308 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3309 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3311 rect.left = pt.x - wDragWidth;
3312 rect.right = pt.x + wDragWidth;
3314 rect.top = pt.y - wDragHeight;
3315 rect.bottom = pt.y + wDragHeight;
3321 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3323 if( msg.message == WM_LBUTTONUP )
3328 if( msg.message == WM_MOUSEMOVE )
3331 tmp.x = (short)LOWORD(msg.lParam);
3332 tmp.y = (short)HIWORD(msg.lParam);
3333 if( !PtInRect( &rect, tmp ))
3345 /******************************************************************************
3346 * GetWindowModuleFileNameA (USER32.@)
3348 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR module, UINT size )
3353 TRACE( "%p, %p, %u\n", hwnd, module, size );
3355 win = WIN_GetPtr( hwnd );
3356 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3358 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3361 hinst = win->hInstance;
3362 WIN_ReleasePtr( win );
3364 return GetModuleFileNameA( hinst, module, size );
3367 /******************************************************************************
3368 * GetWindowModuleFileNameW (USER32.@)
3370 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR module, UINT size )
3375 TRACE( "%p, %p, %u\n", hwnd, module, size );
3377 win = WIN_GetPtr( hwnd );
3378 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3380 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3383 hinst = win->hInstance;
3384 WIN_ReleasePtr( win );
3386 return GetModuleFileNameW( hinst, module, size );
3389 /******************************************************************************
3390 * GetWindowInfo (USER32.@)
3392 * Note: tests show that Windows doesn't check cbSize of the structure.
3394 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3396 if (!pwi) return FALSE;
3397 if (!WIN_GetRectangles( hwnd, COORDS_SCREEN, &pwi->rcWindow, &pwi->rcClient )) return FALSE;
3399 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3400 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3401 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3403 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3404 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3406 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3407 pwi->wCreatorVersion = 0x0400;
3412 /******************************************************************************
3413 * SwitchDesktop (USER32.@)
3415 * NOTES: Sets the current input or interactive desktop.
3417 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3419 FIXME("(hwnd %p) stub!\n", hDesktop);
3423 /*****************************************************************************
3424 * SetLayeredWindowAttributes (USER32.@)
3426 BOOL WINAPI SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
3430 TRACE("(%p,%08x,%d,%x): stub!\n", hwnd, key, alpha, flags);
3432 SERVER_START_REQ( set_window_layered_info )
3434 req->handle = wine_server_user_handle( hwnd );
3435 req->color_key = key;
3438 ret = !wine_server_call_err( req );
3442 if (ret) USER_Driver->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
3448 /*****************************************************************************
3449 * GetLayeredWindowAttributes (USER32.@)
3451 BOOL WINAPI GetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags )
3455 SERVER_START_REQ( get_window_layered_info )
3457 req->handle = wine_server_user_handle( hwnd );
3458 if ((ret = !wine_server_call_err( req )))
3460 if (key) *key = reply->color_key;
3461 if (alpha) *alpha = reply->alpha;
3462 if (flags) *flags = reply->flags;
3471 /*****************************************************************************
3472 * UpdateLayeredWindowIndirect (USER32.@)
3474 BOOL WINAPI UpdateLayeredWindowIndirect( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info )
3478 if (!(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_LAYERED) ||
3479 GetLayeredWindowAttributes( hwnd, NULL, NULL, NULL ))
3481 SetLastError( ERROR_INVALID_PARAMETER );
3485 if (!(info->dwFlags & ULW_EX_NORESIZE) && (info->pptDst || info->psize))
3487 int x = 0, y = 0, cx = 0, cy = 0;
3488 DWORD flags = SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW | SWP_NOSENDCHANGING;
3492 x = info->pptDst->x;
3493 y = info->pptDst->y;
3494 flags &= ~SWP_NOMOVE;
3498 cx = info->psize->cx;
3499 cy = info->psize->cy;
3500 flags &= ~SWP_NOSIZE;
3502 TRACE( "moving window %p pos %d,%d %dx%d\n", hwnd, x, y, cx, cy );
3503 SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
3508 HDC hdc = GetWindowDC( hwnd );
3515 GetWindowRect( hwnd, &rect );
3516 OffsetRect( &rect, -rect.left, -rect.top);
3519 x = info->pptSrc->x;
3520 y = info->pptSrc->y;
3523 if (!info->prcDirty || (info->prcDirty && IntersectRect(&rect, &rect, info->prcDirty)))
3525 TRACE( "copying window %p pos %d,%d\n", hwnd, x, y );
3526 BitBlt( hdc, rect.left, rect.top, rect.right, rect.bottom,
3527 info->hdcSrc, rect.left + x, rect.top + y, SRCCOPY );
3529 ReleaseDC( hwnd, hdc );
3533 if (info->pblend && !(info->dwFlags & ULW_OPAQUE)) alpha = info->pblend->SourceConstantAlpha;
3534 TRACE( "setting window %p alpha %u\n", hwnd, alpha );
3535 USER_Driver->pSetLayeredWindowAttributes( hwnd, info->crKey, alpha,
3536 info->dwFlags & (LWA_ALPHA | LWA_COLORKEY) );
3541 /*****************************************************************************
3542 * UpdateLayeredWindow (USER32.@)
3544 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3545 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3548 UPDATELAYEREDWINDOWINFO info;
3550 info.cbSize = sizeof(info);
3551 info.hdcDst = hdcDst;
3552 info.pptDst = pptDst;
3554 info.hdcSrc = hdcSrc;
3555 info.pptSrc = pptSrc;
3557 info.pblend = pblend;
3558 info.dwFlags = dwFlags;
3559 info.prcDirty = NULL;
3560 return UpdateLayeredWindowIndirect( hwnd, &info );
3564 /******************************************************************************
3565 * GetProcessDefaultLayout [USER32.@]
3567 * Gets the default layout for parentless windows.
3569 BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
3573 SetLastError( ERROR_NOACCESS );
3576 if (process_layout == ~0u)
3578 static const WCHAR translationW[] = { '\\','V','a','r','F','i','l','e','I','n','f','o',
3579 '\\','T','r','a','n','s','l','a','t','i','o','n', 0 };
3580 static const WCHAR filedescW[] = { '\\','S','t','r','i','n','g','F','i','l','e','I','n','f','o',
3581 '\\','%','0','4','x','%','0','4','x',
3582 '\\','F','i','l','e','D','e','s','c','r','i','p','t','i','o','n',0 };
3583 WCHAR *str, buffer[MAX_PATH];
3584 DWORD i, len, version_layout = 0;
3585 DWORD user_lang = GetUserDefaultLangID();
3589 GetModuleFileNameW( 0, buffer, MAX_PATH );
3590 if (!(len = GetFileVersionInfoSizeW( buffer, NULL ))) goto done;
3591 if (!(data = HeapAlloc( GetProcessHeap(), 0, len ))) goto done;
3592 if (!GetFileVersionInfoW( buffer, 0, len, data )) goto done;
3593 if (!VerQueryValueW( data, translationW, (void **)&languages, &len ) || !len) goto done;
3595 len /= sizeof(DWORD);
3596 for (i = 0; i < len; i++) if (LOWORD(languages[i]) == user_lang) break;
3597 if (i == len) /* try neutral language */
3598 for (i = 0; i < len; i++)
3599 if (LOWORD(languages[i]) == MAKELANGID( PRIMARYLANGID(user_lang), SUBLANG_NEUTRAL )) break;
3600 if (i == len) i = 0; /* default to the first one */
3602 sprintfW( buffer, filedescW, LOWORD(languages[i]), HIWORD(languages[i]) );
3603 if (!VerQueryValueW( data, buffer, (void **)&str, &len )) goto done;
3604 TRACE( "found description %s\n", debugstr_w( str ));
3605 if (str[0] == 0x200e && str[1] == 0x200e) version_layout = LAYOUT_RTL;
3608 HeapFree( GetProcessHeap(), 0, data );
3609 process_layout = version_layout;
3611 *layout = process_layout;
3616 /******************************************************************************
3617 * SetProcessDefaultLayout [USER32.@]
3619 * Sets the default layout for parentless windows.
3621 BOOL WINAPI SetProcessDefaultLayout( DWORD layout )
3623 process_layout = layout;
3628 /* 64bit versions */
3630 #ifdef GetWindowLongPtrW
3631 #undef GetWindowLongPtrW
3634 #ifdef GetWindowLongPtrA
3635 #undef GetWindowLongPtrA
3638 #ifdef SetWindowLongPtrW
3639 #undef SetWindowLongPtrW
3642 #ifdef SetWindowLongPtrA
3643 #undef SetWindowLongPtrA
3646 /*****************************************************************************
3647 * GetWindowLongPtrW (USER32.@)
3649 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3651 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3654 /*****************************************************************************
3655 * GetWindowLongPtrA (USER32.@)
3657 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3659 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3662 /*****************************************************************************
3663 * SetWindowLongPtrW (USER32.@)
3665 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3667 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3670 /*****************************************************************************
3671 * SetWindowLongPtrA (USER32.@)
3673 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3675 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );