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"
30 #include "wine/server.h"
31 #include "wine/unicode.h"
33 #include "user_private.h"
36 #include "wine/debug.h"
38 WINE_DEFAULT_DEBUG_CHANNEL(win);
40 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
41 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
43 static DWORD process_layout;
45 /**********************************************************************/
47 /* helper for Get/SetWindowLong */
48 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
50 if (size == sizeof(WORD))
53 memcpy( &ret, ptr, sizeof(ret) );
56 else if (size == sizeof(DWORD))
59 memcpy( &ret, ptr, sizeof(ret) );
65 memcpy( &ret, ptr, sizeof(ret) );
70 /* helper for Get/SetWindowLong */
71 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
73 if (size == sizeof(WORD))
76 memcpy( ptr, &newval, sizeof(newval) );
78 else if (size == sizeof(DWORD))
81 memcpy( ptr, &newval, sizeof(newval) );
85 memcpy( ptr, &val, sizeof(val) );
90 static void *user_handles[NB_USER_HANDLES];
92 /***********************************************************************
95 HANDLE alloc_user_handle( struct user_object *ptr, enum user_obj_type type )
99 SERVER_START_REQ( alloc_user_handle )
101 if (!wine_server_call_err( req )) handle = wine_server_ptr_handle( reply->handle );
107 UINT index = USER_HANDLE_TO_INDEX( handle );
109 assert( index < NB_USER_HANDLES );
110 ptr->handle = handle;
112 InterlockedExchangePointer( &user_handles[index], ptr );
118 /***********************************************************************
119 * get_user_handle_ptr
121 void *get_user_handle_ptr( HANDLE handle, enum user_obj_type type )
123 struct user_object *ptr;
124 WORD index = USER_HANDLE_TO_INDEX( handle );
126 if (index >= NB_USER_HANDLES) return NULL;
129 if ((ptr = user_handles[index]))
131 if (ptr->type == type &&
132 ((UINT)(UINT_PTR)ptr->handle == (UINT)(UINT_PTR)handle ||
133 !HIWORD(handle) || HIWORD(handle) == 0xffff))
137 else ptr = OBJ_OTHER_PROCESS;
143 /***********************************************************************
144 * release_user_handle_ptr
146 void release_user_handle_ptr( void *ptr )
148 assert( ptr && ptr != OBJ_OTHER_PROCESS );
153 /***********************************************************************
156 void *free_user_handle( HANDLE handle, enum user_obj_type type )
158 struct user_object *ptr;
159 WORD index = USER_HANDLE_TO_INDEX( handle );
161 if ((ptr = get_user_handle_ptr( handle, type )) && ptr != OBJ_OTHER_PROCESS)
163 SERVER_START_REQ( free_user_handle )
165 req->handle = wine_server_user_handle( handle );
166 if (wine_server_call( req )) ptr = NULL;
167 else InterlockedCompareExchangePointer( &user_handles[index], NULL, ptr );
170 release_user_handle_ptr( ptr );
176 /***********************************************************************
177 * create_window_handle
179 * Create a window handle with the server.
181 static WND *create_window_handle( HWND parent, HWND owner, LPCWSTR name,
182 HINSTANCE instance, BOOL unicode )
186 HWND handle = 0, full_parent = 0, full_owner = 0;
187 struct tagCLASS *class = NULL;
190 SERVER_START_REQ( create_window )
192 req->parent = wine_server_user_handle( parent );
193 req->owner = wine_server_user_handle( owner );
194 req->instance = wine_server_client_ptr( instance );
195 if (!(req->atom = get_int_atom_value( name )) && name)
196 wine_server_add_data( req, name, strlenW(name)*sizeof(WCHAR) );
197 if (!wine_server_call_err( req ))
199 handle = wine_server_ptr_handle( reply->handle );
200 full_parent = wine_server_ptr_handle( reply->parent );
201 full_owner = wine_server_ptr_handle( reply->owner );
202 extra_bytes = reply->extra;
203 class = wine_server_get_ptr( reply->class_ptr );
210 WARN( "error %d creating window\n", GetLastError() );
214 if (!(win = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
215 sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
217 SERVER_START_REQ( destroy_window )
219 req->handle = wine_server_user_handle( handle );
220 wine_server_call( req );
223 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
227 if (!parent) /* if parent is 0 we don't have a desktop window yet */
229 struct user_thread_info *thread_info = get_user_thread_info();
231 if (name == (LPCWSTR)DESKTOP_CLASS_ATOM)
233 if (!thread_info->top_window) thread_info->top_window = full_parent ? full_parent : handle;
234 else assert( full_parent == thread_info->top_window );
235 if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
236 ERR( "failed to create desktop window\n" );
238 else /* HWND_MESSAGE parent */
240 if (!thread_info->msg_window && !full_parent) thread_info->msg_window = handle;
246 index = USER_HANDLE_TO_INDEX(handle);
247 assert( index < NB_USER_HANDLES );
248 win->obj.handle = handle;
249 win->obj.type = USER_WINDOW;
250 win->parent = full_parent;
251 win->owner = full_owner;
253 win->winproc = get_class_winproc( class );
254 win->cbWndExtra = extra_bytes;
255 InterlockedExchangePointer( &user_handles[index], win );
256 if (WINPROC_IsUnicode( win->winproc, unicode )) win->flags |= WIN_ISUNICODE;
261 /***********************************************************************
264 * Free a window handle.
266 static void free_window_handle( HWND hwnd )
268 struct user_object *ptr;
269 WORD index = USER_HANDLE_TO_INDEX(hwnd);
271 if ((ptr = get_user_handle_ptr( hwnd, USER_WINDOW )) && ptr != OBJ_OTHER_PROCESS)
273 SERVER_START_REQ( destroy_window )
275 req->handle = wine_server_user_handle( hwnd );
276 if (wine_server_call_err( req )) ptr = NULL;
277 else InterlockedCompareExchangePointer( &user_handles[index], NULL, ptr );
280 release_user_handle_ptr( ptr );
281 HeapFree( GetProcessHeap(), 0, ptr );
286 /*******************************************************************
287 * list_window_children
289 * Build an array of the children of a given window. The array must be
290 * freed with HeapFree. Returns NULL when no windows are found.
292 static HWND *list_window_children( HDESK desktop, HWND hwnd, LPCWSTR class, DWORD tid )
296 ATOM atom = get_int_atom_value( class );
298 /* empty class is not the same as NULL class */
299 if (!atom && class && !class[0]) return NULL;
305 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
307 SERVER_START_REQ( get_window_children )
309 req->desktop = wine_server_obj_handle( desktop );
310 req->parent = wine_server_user_handle( hwnd );
313 if (!atom && class) wine_server_add_data( req, class, strlenW(class)*sizeof(WCHAR) );
314 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
315 if (!wine_server_call( req )) count = reply->count;
318 if (count && count < size)
320 /* start from the end since HWND is potentially larger than user_handle_t */
321 for (i = count - 1; i >= 0; i--)
322 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
326 HeapFree( GetProcessHeap(), 0, list );
328 size = count + 1; /* restart with a large enough buffer */
334 /*******************************************************************
335 * list_window_parents
337 * Build an array of all parents of a given window, starting with
338 * the immediate parent. The array must be freed with HeapFree.
340 static HWND *list_window_parents( HWND hwnd )
344 int i, pos = 0, size = 16, count = 0;
346 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
351 if (!(win = WIN_GetPtr( current ))) goto empty;
352 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
353 if (win == WND_DESKTOP)
355 if (!pos) goto empty;
359 list[pos] = current = win->parent;
360 WIN_ReleasePtr( win );
361 if (!current) return list;
362 if (++pos == size - 1)
364 /* need to grow the list */
365 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
366 if (!new_list) goto empty;
372 /* at least one parent belongs to another process, have to query the server */
377 SERVER_START_REQ( get_window_parents )
379 req->handle = wine_server_user_handle( hwnd );
380 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
381 if (!wine_server_call( req )) count = reply->count;
384 if (!count) goto empty;
387 /* start from the end since HWND is potentially larger than user_handle_t */
388 for (i = count - 1; i >= 0; i--)
389 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
393 HeapFree( GetProcessHeap(), 0, list );
395 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
399 HeapFree( GetProcessHeap(), 0, list );
404 /*******************************************************************
407 static void send_parent_notify( HWND hwnd, UINT msg )
409 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
410 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
412 HWND parent = GetParent(hwnd);
413 if (parent && parent != GetDesktopWindow())
414 SendMessageW( parent, WM_PARENTNOTIFY,
415 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
420 /*******************************************************************
421 * get_server_window_text
423 * Retrieve the window text from the server.
425 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
429 SERVER_START_REQ( get_window_text )
431 req->handle = wine_server_user_handle( hwnd );
432 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
433 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
436 text[len / sizeof(WCHAR)] = 0;
440 /*******************************************************************
441 * get_hwnd_message_parent
443 * Return the parent for HWND_MESSAGE windows.
445 HWND get_hwnd_message_parent(void)
447 struct user_thread_info *thread_info = get_user_thread_info();
449 if (!thread_info->msg_window) GetDesktopWindow(); /* trigger creation */
450 return thread_info->msg_window;
454 /*******************************************************************
457 * Check if window is the desktop or the HWND_MESSAGE top parent.
459 BOOL is_desktop_window( HWND hwnd )
461 struct user_thread_info *thread_info = get_user_thread_info();
463 if (!hwnd) return FALSE;
464 if (hwnd == thread_info->top_window) return TRUE;
465 if (hwnd == thread_info->msg_window) return TRUE;
467 if (!HIWORD(hwnd) || HIWORD(hwnd) == 0xffff)
469 if (LOWORD(thread_info->top_window) == LOWORD(hwnd)) return TRUE;
470 if (LOWORD(thread_info->msg_window) == LOWORD(hwnd)) return TRUE;
476 /***********************************************************************
479 * Return a pointer to the WND structure if local to the process,
480 * or WND_OTHER_PROCESS if handle may be valid in other process.
481 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
483 WND *WIN_GetPtr( HWND hwnd )
487 if ((ptr = get_user_handle_ptr( hwnd, USER_WINDOW )) == WND_OTHER_PROCESS)
489 if (is_desktop_window( hwnd )) ptr = WND_DESKTOP;
495 /***********************************************************************
496 * WIN_IsCurrentProcess
498 * Check whether a given window belongs to the current process (and return the full handle).
500 HWND WIN_IsCurrentProcess( HWND hwnd )
505 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
506 ret = ptr->obj.handle;
507 WIN_ReleasePtr( ptr );
512 /***********************************************************************
513 * WIN_IsCurrentThread
515 * Check whether a given window belongs to the current thread (and return the full handle).
517 HWND WIN_IsCurrentThread( HWND hwnd )
522 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
523 if (ptr->tid == GetCurrentThreadId()) ret = ptr->obj.handle;
524 WIN_ReleasePtr( ptr );
529 /***********************************************************************
532 * Convert a possibly truncated window handle to a full 32-bit handle.
534 HWND WIN_GetFullHandle( HWND hwnd )
538 if (!hwnd || (ULONG_PTR)hwnd >> 16) return hwnd;
539 if (LOWORD(hwnd) <= 1 || LOWORD(hwnd) == 0xffff) return hwnd;
540 /* do sign extension for -2 and -3 */
541 if (LOWORD(hwnd) >= (WORD)-3) return (HWND)(LONG_PTR)(INT16)LOWORD(hwnd);
543 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
545 if (ptr == WND_DESKTOP)
547 if (LOWORD(hwnd) == LOWORD(GetDesktopWindow())) return GetDesktopWindow();
548 else return get_hwnd_message_parent();
551 if (ptr != WND_OTHER_PROCESS)
553 hwnd = ptr->obj.handle;
554 WIN_ReleasePtr( ptr );
556 else /* may belong to another process */
558 SERVER_START_REQ( get_window_info )
560 req->handle = wine_server_user_handle( hwnd );
561 if (!wine_server_call_err( req )) hwnd = wine_server_ptr_handle( reply->full_handle );
569 /***********************************************************************
572 * Change the owner of a window.
574 HWND WIN_SetOwner( HWND hwnd, HWND owner )
576 WND *win = WIN_GetPtr( hwnd );
579 if (!win || win == WND_DESKTOP) return 0;
580 if (win == WND_OTHER_PROCESS)
582 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
585 SERVER_START_REQ( set_window_owner )
587 req->handle = wine_server_user_handle( hwnd );
588 req->owner = wine_server_user_handle( owner );
589 if (!wine_server_call( req ))
591 win->owner = wine_server_ptr_handle( reply->full_owner );
592 ret = wine_server_ptr_handle( reply->prev_owner );
596 WIN_ReleasePtr( win );
601 /***********************************************************************
604 * Change the style of a window.
606 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
610 WND *win = WIN_GetPtr( hwnd );
612 if (!win || win == WND_DESKTOP) return 0;
613 if (win == WND_OTHER_PROCESS)
616 ERR( "cannot set style %x/%x on other process window %p\n",
617 set_bits, clear_bits, hwnd );
620 style.styleOld = win->dwStyle;
621 style.styleNew = (win->dwStyle | set_bits) & ~clear_bits;
622 if (style.styleNew == style.styleOld)
624 WIN_ReleasePtr( win );
625 return style.styleNew;
627 SERVER_START_REQ( set_window_info )
629 req->handle = wine_server_user_handle( hwnd );
630 req->flags = SET_WIN_STYLE;
631 req->style = style.styleNew;
632 req->extra_offset = -1;
633 if ((ok = !wine_server_call( req )))
635 style.styleOld = reply->old_style;
636 win->dwStyle = style.styleNew;
640 WIN_ReleasePtr( win );
643 USER_Driver->pSetWindowStyle( hwnd, GWL_STYLE, &style );
644 if ((style.styleOld ^ style.styleNew) & WS_VISIBLE) invalidate_dce( hwnd, NULL );
646 return style.styleOld;
650 /***********************************************************************
653 * Get the window and client rectangles.
655 BOOL WIN_GetRectangles( HWND hwnd, enum coords_relative relative, RECT *rectWindow, RECT *rectClient )
657 WND *win = WIN_GetPtr( hwnd );
662 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
665 if (win == WND_DESKTOP)
668 rect.left = rect.top = 0;
669 if (hwnd == get_hwnd_message_parent())
676 rect.right = GetSystemMetrics(SM_CXSCREEN);
677 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
679 if (rectWindow) *rectWindow = rect;
680 if (rectClient) *rectClient = rect;
683 if (win != WND_OTHER_PROCESS)
685 RECT window_rect = win->rectWindow, client_rect = win->rectClient;
690 OffsetRect( &window_rect, -win->rectClient.left, -win->rectClient.top );
691 OffsetRect( &client_rect, -win->rectClient.left, -win->rectClient.top );
694 OffsetRect( &window_rect, -win->rectWindow.left, -win->rectWindow.top );
695 OffsetRect( &client_rect, -win->rectWindow.left, -win->rectWindow.top );
702 WND *parent = WIN_GetPtr( win->parent );
703 if (parent == WND_DESKTOP) break;
704 if (!parent || parent == WND_OTHER_PROCESS)
706 WIN_ReleasePtr( win );
709 WIN_ReleasePtr( win );
711 OffsetRect( &window_rect, win->rectClient.left, win->rectClient.top );
712 OffsetRect( &client_rect, win->rectClient.left, win->rectClient.top );
716 if (rectWindow) *rectWindow = window_rect;
717 if (rectClient) *rectClient = client_rect;
718 WIN_ReleasePtr( win );
723 SERVER_START_REQ( get_window_rectangles )
725 req->handle = wine_server_user_handle( hwnd );
726 req->relative = relative;
727 if ((ret = !wine_server_call_err( req )))
731 rectWindow->left = reply->window.left;
732 rectWindow->top = reply->window.top;
733 rectWindow->right = reply->window.right;
734 rectWindow->bottom = reply->window.bottom;
738 rectClient->left = reply->client.left;
739 rectClient->top = reply->client.top;
740 rectClient->right = reply->client.right;
741 rectClient->bottom = reply->client.bottom;
750 /***********************************************************************
753 * Destroy storage associated to a window. "Internals" p.358
755 LRESULT WIN_DestroyWindow( HWND hwnd )
759 HMENU menu = 0, sys_menu;
762 TRACE("%p\n", hwnd );
764 /* free child windows */
765 if ((list = WIN_ListChildren( hwnd )))
768 for (i = 0; list[i]; i++)
770 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
771 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
773 HeapFree( GetProcessHeap(), 0, list );
776 /* Unlink now so we won't bother with the children later on */
777 SERVER_START_REQ( set_parent )
779 req->handle = wine_server_user_handle( hwnd );
781 wine_server_call( req );
786 * Send the WM_NCDESTROY to the window being destroyed.
788 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
790 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
792 /* free resources associated with the window */
794 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
795 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
796 menu = (HMENU)wndPtr->wIDmenu;
797 sys_menu = wndPtr->hSysMenu;
798 free_dce( wndPtr->dce, hwnd );
800 icon_title = wndPtr->icon_title;
801 HeapFree( GetProcessHeap(), 0, wndPtr->text );
803 HeapFree( GetProcessHeap(), 0, wndPtr->pScroll );
804 wndPtr->pScroll = NULL;
805 WIN_ReleasePtr( wndPtr );
807 if (icon_title) DestroyWindow( icon_title );
808 if (menu) DestroyMenu( menu );
809 if (sys_menu) DestroyMenu( sys_menu );
811 USER_Driver->pDestroyWindow( hwnd );
813 free_window_handle( hwnd );
818 /***********************************************************************
819 * destroy_thread_window
821 * Destroy a window upon exit of its thread.
823 static void destroy_thread_window( HWND hwnd )
827 HMENU menu = 0, sys_menu = 0;
830 /* free child windows */
832 if ((list = WIN_ListChildren( hwnd )))
835 for (i = 0; list[i]; i++)
837 if (WIN_IsCurrentThread( list[i] )) destroy_thread_window( list[i] );
838 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
840 HeapFree( GetProcessHeap(), 0, list );
843 /* destroy the client-side storage */
845 index = USER_HANDLE_TO_INDEX(hwnd);
846 if (index >= NB_USER_HANDLES) return;
848 if ((wndPtr = user_handles[index]))
850 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD) menu = (HMENU)wndPtr->wIDmenu;
851 sys_menu = wndPtr->hSysMenu;
852 free_dce( wndPtr->dce, hwnd );
853 InterlockedCompareExchangePointer( &user_handles[index], NULL, wndPtr );
857 HeapFree( GetProcessHeap(), 0, wndPtr );
858 if (menu) DestroyMenu( menu );
859 if (sys_menu) DestroyMenu( sys_menu );
863 /***********************************************************************
864 * destroy_thread_child_windows
866 * Destroy child windows upon exit of its thread.
868 static void destroy_thread_child_windows( HWND hwnd )
873 if (WIN_IsCurrentThread( hwnd ))
875 destroy_thread_window( hwnd );
877 else if ((list = WIN_ListChildren( hwnd )))
879 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
880 HeapFree( GetProcessHeap(), 0, list );
885 /***********************************************************************
886 * WIN_DestroyThreadWindows
888 * Destroy all children of 'wnd' owned by the current thread.
890 void WIN_DestroyThreadWindows( HWND hwnd )
895 if (!(list = WIN_ListChildren( hwnd ))) return;
897 /* reset owners of top-level windows */
898 for (i = 0; list[i]; i++)
900 if (!WIN_IsCurrentThread( list[i] ))
902 HWND owner = GetWindow( list[i], GW_OWNER );
903 if (owner && WIN_IsCurrentThread( owner )) WIN_SetOwner( list[i], 0 );
907 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
908 HeapFree( GetProcessHeap(), 0, list );
912 /***********************************************************************
915 * Fix the coordinates - Helper for WIN_CreateWindowEx.
916 * returns default show mode in sw.
918 static void WIN_FixCoordinates( CREATESTRUCTW *cs, INT *sw)
920 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == (SHORT)0x8000)
923 if (cs->dwExStyle & WS_EX_MDICHILD)
927 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
928 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
930 TRACE("MDI child id %04x\n", id);
933 if (cs->style & (WS_CHILD | WS_POPUP))
935 if (cs->dwExStyle & WS_EX_MDICHILD)
937 if (IS_DEFAULT(cs->x))
942 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
943 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
947 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
948 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
951 else /* overlapped window */
954 MONITORINFO mon_info;
957 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
959 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
960 mon_info.cbSize = sizeof(mon_info);
961 GetMonitorInfoW( monitor, &mon_info );
962 GetStartupInfoW( &info );
964 if (IS_DEFAULT(cs->x))
966 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
967 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
968 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
971 if (IS_DEFAULT(cs->cx))
973 if (info.dwFlags & STARTF_USESIZE)
975 cs->cx = info.dwXSize;
976 cs->cy = info.dwYSize;
980 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
981 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
984 /* neither x nor cx are default. Check the y values .
985 * In the trace we see Outlook and Outlook Express using
986 * cy set to CW_USEDEFAULT when opening the address book.
988 else if (IS_DEFAULT(cs->cy))
990 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
991 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
997 /***********************************************************************
1000 static void dump_window_styles( DWORD style, DWORD exstyle )
1003 if(style & WS_POPUP) TRACE(" WS_POPUP");
1004 if(style & WS_CHILD) TRACE(" WS_CHILD");
1005 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
1006 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
1007 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
1008 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
1009 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
1010 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
1011 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
1014 if(style & WS_BORDER) TRACE(" WS_BORDER");
1015 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
1017 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
1018 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
1019 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
1020 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
1021 if (style & WS_CHILD)
1023 if(style & WS_GROUP) TRACE(" WS_GROUP");
1024 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
1028 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
1029 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
1032 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
1033 #define DUMPED_STYLES \
1053 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
1055 #undef DUMPED_STYLES
1057 TRACE( "exstyle:" );
1058 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
1059 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
1060 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
1061 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
1062 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
1063 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
1064 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
1065 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
1066 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
1067 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
1068 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
1069 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
1070 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
1071 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
1072 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
1073 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
1074 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
1075 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
1076 if(exstyle & WS_EX_LAYOUTRTL) TRACE(" WS_EX_LAYOUTRTL");
1078 #define DUMPED_EX_STYLES \
1079 (WS_EX_DLGMODALFRAME | \
1080 WS_EX_DRAGDETECT | \
1081 WS_EX_NOPARENTNOTIFY | \
1083 WS_EX_ACCEPTFILES | \
1084 WS_EX_TRANSPARENT | \
1086 WS_EX_TOOLWINDOW | \
1087 WS_EX_WINDOWEDGE | \
1088 WS_EX_CLIENTEDGE | \
1089 WS_EX_CONTEXTHELP | \
1091 WS_EX_RTLREADING | \
1092 WS_EX_LEFTSCROLLBAR | \
1093 WS_EX_CONTROLPARENT | \
1094 WS_EX_STATICEDGE | \
1099 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
1101 #undef DUMPED_EX_STYLES
1105 /***********************************************************************
1106 * WIN_CreateWindowEx
1108 * Implementation of CreateWindowEx().
1110 HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode )
1112 INT cx, cy, style, sw = SW_SHOW;
1116 HWND hwnd, parent, owner, top_child = 0;
1117 MDICREATESTRUCTW mdi_cs;
1118 CBT_CREATEWNDW cbtc;
1121 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
1122 unicode ? debugstr_w(cs->lpszName) : debugstr_a((LPCSTR)cs->lpszName),
1123 debugstr_w(className),
1124 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
1125 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
1126 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
1128 /* Fix the styles for MDI children */
1129 if (cs->dwExStyle & WS_EX_MDICHILD)
1133 wndPtr = WIN_GetPtr(cs->hwndParent);
1134 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
1136 flags = wndPtr->flags;
1137 WIN_ReleasePtr(wndPtr);
1140 if (!(flags & WIN_ISMDICLIENT))
1142 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
1146 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
1147 * MDICREATESTRUCT members have the originally passed values.
1149 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
1150 * have the same layout.
1152 mdi_cs.szClass = cs->lpszClass;
1153 mdi_cs.szTitle = cs->lpszName;
1154 mdi_cs.hOwner = cs->hInstance;
1159 mdi_cs.style = cs->style;
1160 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
1162 cs->lpCreateParams = &mdi_cs;
1164 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
1166 if (cs->style & WS_POPUP)
1168 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
1171 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
1175 cs->style &= ~WS_POPUP;
1176 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
1177 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
1180 top_child = GetWindow(cs->hwndParent, GW_CHILD);
1184 /* Restore current maximized child */
1185 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
1187 TRACE("Restoring current maximized child %p\n", top_child);
1188 if (cs->style & WS_MAXIMIZE)
1190 /* if the new window is maximized don't bother repainting */
1191 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
1192 ShowWindow( top_child, SW_SHOWNORMAL );
1193 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
1195 else ShowWindow( top_child, SW_SHOWNORMAL );
1200 /* Find the parent window */
1202 parent = cs->hwndParent;
1205 if (cs->hwndParent == HWND_MESSAGE)
1207 cs->hwndParent = parent = get_hwnd_message_parent();
1209 else if (cs->hwndParent)
1211 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
1213 parent = GetDesktopWindow();
1214 owner = cs->hwndParent;
1218 DWORD parent_style = GetWindowLongW( parent, GWL_EXSTYLE );
1219 if ((parent_style & WS_EX_LAYOUTRTL) && !(parent_style & WS_EX_NOINHERITLAYOUT))
1220 cs->dwExStyle |= WS_EX_LAYOUTRTL;
1225 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
1227 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1229 WARN("No parent for child window\n" );
1230 SetLastError(ERROR_TLW_WITH_WSCHILD);
1231 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1233 /* are we creating the desktop or HWND_MESSAGE parent itself? */
1234 if (className != (LPCWSTR)DESKTOP_CLASS_ATOM &&
1235 (IS_INTRESOURCE(className) || strcmpiW( className, messageW )))
1237 parent = GetDesktopWindow();
1238 if (process_layout & LAYOUT_RTL) cs->dwExStyle |= WS_EX_LAYOUTRTL;
1242 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1244 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1245 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1246 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1247 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1249 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1251 /* Create the window structure */
1253 if (!(wndPtr = create_window_handle( parent, owner, className, module, unicode )))
1255 hwnd = wndPtr->obj.handle;
1257 /* Fill the window structure */
1259 wndPtr->tid = GetCurrentThreadId();
1260 wndPtr->hInstance = cs->hInstance;
1261 wndPtr->text = NULL;
1262 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1263 wndPtr->dwExStyle = cs->dwExStyle;
1264 wndPtr->wIDmenu = 0;
1265 wndPtr->helpContext = 0;
1266 wndPtr->pScroll = NULL;
1267 wndPtr->userdata = 0;
1269 wndPtr->hIconSmall = 0;
1270 wndPtr->hSysMenu = 0;
1272 wndPtr->min_pos.x = wndPtr->min_pos.y = -1;
1273 wndPtr->max_pos.x = wndPtr->max_pos.y = -1;
1275 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1278 * Correct the window styles.
1280 * It affects only the style loaded into the WIN structure.
1283 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1285 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1286 if (!(wndPtr->dwStyle & WS_POPUP))
1287 wndPtr->dwStyle |= WS_CAPTION;
1291 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1292 * why does the user get to set it?
1295 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1296 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1297 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1299 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1301 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1302 wndPtr->flags |= WIN_NEED_SIZE;
1304 SERVER_START_REQ( set_window_info )
1306 req->handle = wine_server_user_handle( hwnd );
1307 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1308 req->style = wndPtr->dwStyle;
1309 req->ex_style = wndPtr->dwExStyle;
1310 req->instance = wine_server_client_ptr( wndPtr->hInstance );
1311 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1312 req->extra_offset = -1;
1313 wine_server_call( req );
1317 /* Set the window menu */
1319 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1323 if (!MENU_SetMenu(hwnd, cs->hMenu))
1325 WIN_ReleasePtr( wndPtr );
1326 free_window_handle( hwnd );
1332 LPCWSTR menuName = (LPCWSTR)GetClassLongPtrW( hwnd, GCLP_MENUNAME );
1335 cs->hMenu = LoadMenuW( cs->hInstance, menuName );
1336 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1340 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1342 /* call the WH_CBT hook */
1344 /* the window style passed to the hook must be the real window style,
1345 * rather than just the window style that the caller to CreateWindowEx
1346 * passed in, so we have to copy the original CREATESTRUCT and get the
1347 * the real style. */
1349 cbcs.style = wndPtr->dwStyle;
1351 cbtc.hwndInsertAfter = HWND_TOP;
1352 WIN_ReleasePtr( wndPtr );
1353 if (HOOK_CallHooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc, unicode )) goto failed;
1355 /* send the WM_GETMINMAXINFO message and fix the size if needed */
1359 if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD)))
1361 POINT maxSize, maxPos, minTrack, maxTrack;
1362 WINPOS_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack);
1363 if (maxTrack.x < cx) cx = maxTrack.x;
1364 if (maxTrack.y < cy) cy = maxTrack.y;
1365 if (minTrack.x > cx) cx = minTrack.x;
1366 if (minTrack.y > cy) cy = minTrack.y;
1371 SetRect( &rect, cs->x, cs->y, cs->x + cx, cs->y + cy );
1372 /* check for wraparound */
1373 if (cs->x + cx < cs->x) rect.right = 0x7fffffff;
1374 if (cs->y + cy < cs->y) rect.bottom = 0x7fffffff;
1375 if (!set_window_pos( hwnd, 0, SWP_NOZORDER | SWP_NOACTIVATE, &rect, &rect, NULL )) goto failed;
1377 /* send WM_NCCREATE */
1379 TRACE( "hwnd %p cs %d,%d %dx%d\n", hwnd, cs->x, cs->y, cx, cy );
1381 result = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1383 result = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1386 WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
1390 /* send WM_NCCALCSIZE */
1392 if (WIN_GetRectangles( hwnd, COORDS_PARENT, &rect, NULL ))
1394 /* yes, even if the CBT hook was called with HWND_TOP */
1395 HWND insert_after = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
1396 RECT client_rect = rect;
1398 /* the rectangle is in screen coords for WM_NCCALCSIZE when wparam is FALSE */
1399 MapWindowPoints( parent, 0, (POINT *)&client_rect, 2 );
1400 SendMessageW( hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&client_rect );
1401 MapWindowPoints( 0, parent, (POINT *)&client_rect, 2 );
1402 set_window_pos( hwnd, insert_after, SWP_NOACTIVATE, &rect, &client_rect, NULL );
1406 /* send WM_CREATE */
1409 result = SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs );
1411 result = SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs );
1412 if (result == -1) goto failed;
1414 /* call the driver */
1416 if (!USER_Driver->pCreateWindow( hwnd )) goto failed;
1418 NotifyWinEvent(EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0);
1420 /* send the size messages */
1422 if (!(wndPtr = WIN_GetPtr( hwnd )) ||
1423 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
1424 if (!(wndPtr->flags & WIN_NEED_SIZE))
1426 WIN_ReleasePtr( wndPtr );
1427 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &rect );
1428 SendMessageW( hwnd, WM_SIZE, SIZE_RESTORED,
1429 MAKELONG(rect.right-rect.left, rect.bottom-rect.top));
1430 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( rect.left, rect.top ) );
1432 else WIN_ReleasePtr( wndPtr );
1434 /* Show the window, maximizing or minimizing if needed */
1436 style = WIN_SetStyle( hwnd, 0, WS_MAXIMIZE | WS_MINIMIZE );
1437 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1440 UINT swFlag = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
1442 swFlag = WINPOS_MinMaximize( hwnd, swFlag, &newPos );
1443 swFlag |= SWP_FRAMECHANGED; /* Frame always gets changed */
1444 if (!(style & WS_VISIBLE) || (style & WS_CHILD) || GetActiveWindow()) swFlag |= SWP_NOACTIVATE;
1445 SetWindowPos( hwnd, 0, newPos.left, newPos.top, newPos.right - newPos.left,
1446 newPos.bottom - newPos.top, swFlag );
1449 /* Notify the parent window only */
1451 send_parent_notify( hwnd, WM_CREATE );
1452 if (!IsWindow( hwnd )) return 0;
1454 if (cs->style & WS_VISIBLE)
1456 if (cs->style & WS_MAXIMIZE)
1458 else if (cs->style & WS_MINIMIZE)
1459 sw = SW_SHOWMINIMIZED;
1461 ShowWindow( hwnd, sw );
1462 if (cs->dwExStyle & WS_EX_MDICHILD)
1464 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1465 /* ShowWindow won't activate child windows */
1466 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1470 /* Call WH_SHELL hook */
1472 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1473 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1475 TRACE("created window %p\n", hwnd);
1479 WIN_DestroyWindow( hwnd );
1484 /***********************************************************************
1485 * CreateWindowExA (USER32.@)
1487 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1488 LPCSTR windowName, DWORD style, INT x,
1489 INT y, INT width, INT height,
1490 HWND parent, HMENU menu,
1491 HINSTANCE instance, LPVOID data )
1495 cs.lpCreateParams = data;
1496 cs.hInstance = instance;
1498 cs.hwndParent = parent;
1504 cs.lpszName = windowName;
1505 cs.lpszClass = className;
1506 cs.dwExStyle = exStyle;
1508 if (!IS_INTRESOURCE(className))
1511 if (!MultiByteToWideChar( CP_ACP, 0, className, -1, bufferW, sizeof(bufferW)/sizeof(WCHAR) ))
1513 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, bufferW, instance, FALSE );
1515 /* Note: we rely on the fact that CREATESTRUCTA and */
1516 /* CREATESTRUCTW have the same layout. */
1517 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, (LPCWSTR)className, instance, FALSE );
1521 /***********************************************************************
1522 * CreateWindowExW (USER32.@)
1524 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1525 LPCWSTR 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 return wow_handlers.create_window( &cs, className, instance, TRUE );
1549 /***********************************************************************
1550 * WIN_SendDestroyMsg
1552 static void WIN_SendDestroyMsg( HWND hwnd )
1556 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1558 if (hwnd == info.hwndCaret) DestroyCaret();
1559 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1563 * Send the WM_DESTROY to the window.
1565 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1568 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1569 * make sure that the window still exists when we come back.
1576 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1578 for (i = 0; pWndArray[i]; i++)
1580 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1582 HeapFree( GetProcessHeap(), 0, pWndArray );
1585 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1589 /***********************************************************************
1590 * DestroyWindow (USER32.@)
1592 BOOL WINAPI DestroyWindow( HWND hwnd )
1596 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || is_desktop_window( hwnd ))
1598 SetLastError( ERROR_ACCESS_DENIED );
1602 TRACE("(%p)\n", hwnd);
1606 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1608 if (MENU_IsMenuActive() == hwnd)
1611 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1615 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1616 send_parent_notify( hwnd, WM_DESTROY );
1618 else if (!GetWindow( hwnd, GW_OWNER ))
1620 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1621 /* FIXME: clean up palette - see "Internals" p.352 */
1624 if (!IsWindow(hwnd)) return TRUE;
1626 /* Hide the window */
1627 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1629 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1631 ShowWindow( hwnd, SW_HIDE );
1633 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1634 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1637 if (!IsWindow(hwnd)) return TRUE;
1639 /* Recursively destroy owned windows */
1646 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1649 for (i = 0; list[i]; i++)
1651 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1652 if (WIN_IsCurrentThread( list[i] ))
1654 DestroyWindow( list[i] );
1658 WIN_SetOwner( list[i], 0 );
1660 HeapFree( GetProcessHeap(), 0, list );
1662 if (!got_one) break;
1666 /* Send destroy messages */
1668 WIN_SendDestroyMsg( hwnd );
1669 if (!IsWindow( hwnd )) return TRUE;
1671 if (GetClipboardOwner() == hwnd)
1672 CLIPBOARD_ReleaseOwner();
1674 /* Destroy the window storage */
1676 WIN_DestroyWindow( hwnd );
1681 /***********************************************************************
1682 * CloseWindow (USER32.@)
1684 BOOL WINAPI CloseWindow( HWND hwnd )
1686 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1687 ShowWindow( hwnd, SW_MINIMIZE );
1692 /***********************************************************************
1693 * OpenIcon (USER32.@)
1695 BOOL WINAPI OpenIcon( HWND hwnd )
1697 if (!IsIconic( hwnd )) return FALSE;
1698 ShowWindow( hwnd, SW_SHOWNORMAL );
1703 /***********************************************************************
1704 * FindWindowExW (USER32.@)
1706 HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title )
1711 WCHAR *buffer = NULL;
1713 if (!parent && child) parent = GetDesktopWindow();
1714 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
1718 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1719 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1722 if (!(list = list_window_children( 0, parent, className, 0 ))) goto done;
1726 child = WIN_GetFullHandle( child );
1727 while (list[i] && list[i] != child) i++;
1728 if (!list[i]) goto done;
1729 i++; /* start from next window */
1736 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1743 HeapFree( GetProcessHeap(), 0, list );
1744 HeapFree( GetProcessHeap(), 0, buffer );
1750 /***********************************************************************
1751 * FindWindowA (USER32.@)
1753 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1755 HWND ret = FindWindowExA( 0, 0, className, title );
1756 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1761 /***********************************************************************
1762 * FindWindowExA (USER32.@)
1764 HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title )
1766 LPWSTR titleW = NULL;
1771 DWORD len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1772 if (!(titleW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1773 MultiByteToWideChar( CP_ACP, 0, title, -1, titleW, len );
1776 if (!IS_INTRESOURCE(className))
1779 if (MultiByteToWideChar( CP_ACP, 0, className, -1, classW, sizeof(classW)/sizeof(WCHAR) ))
1780 hwnd = FindWindowExW( parent, child, classW, titleW );
1784 hwnd = FindWindowExW( parent, child, (LPCWSTR)className, titleW );
1787 HeapFree( GetProcessHeap(), 0, titleW );
1792 /***********************************************************************
1793 * FindWindowW (USER32.@)
1795 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1797 return FindWindowExW( 0, 0, className, title );
1801 /**********************************************************************
1802 * GetDesktopWindow (USER32.@)
1804 HWND WINAPI GetDesktopWindow(void)
1806 struct user_thread_info *thread_info = get_user_thread_info();
1808 if (thread_info->top_window) return thread_info->top_window;
1810 SERVER_START_REQ( get_desktop_window )
1813 if (!wine_server_call( req ))
1815 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1816 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1821 if (!thread_info->top_window)
1823 USEROBJECTFLAGS flags;
1824 if (!GetUserObjectInformationW( GetProcessWindowStation(), UOI_FLAGS, &flags,
1825 sizeof(flags), NULL ) || (flags.dwFlags & WSF_VISIBLE))
1827 static const WCHAR explorer[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',0};
1828 static const WCHAR args[] = {' ','/','d','e','s','k','t','o','p',0};
1830 PROCESS_INFORMATION pi;
1831 WCHAR windir[MAX_PATH];
1832 WCHAR app[MAX_PATH + sizeof(explorer)/sizeof(WCHAR)];
1833 WCHAR cmdline[MAX_PATH + (sizeof(explorer) + sizeof(args))/sizeof(WCHAR)];
1836 memset( &si, 0, sizeof(si) );
1838 si.dwFlags = STARTF_USESTDHANDLES;
1841 si.hStdError = GetStdHandle( STD_ERROR_HANDLE );
1843 GetSystemDirectoryW( windir, MAX_PATH );
1844 strcpyW( app, windir );
1845 strcatW( app, explorer );
1846 strcpyW( cmdline, app );
1847 strcatW( cmdline, args );
1849 Wow64DisableWow64FsRedirection( &redir );
1850 if (CreateProcessW( app, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1851 NULL, windir, &si, &pi ))
1853 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1854 WaitForInputIdle( pi.hProcess, 10000 );
1855 CloseHandle( pi.hThread );
1856 CloseHandle( pi.hProcess );
1858 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1859 Wow64RevertWow64FsRedirection( redir );
1861 else TRACE( "not starting explorer since winstation is not visible\n" );
1863 SERVER_START_REQ( get_desktop_window )
1866 if (!wine_server_call( req ))
1868 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1869 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1875 if (!thread_info->top_window || !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
1876 ERR( "failed to create desktop window\n" );
1878 return thread_info->top_window;
1882 /*******************************************************************
1883 * EnableWindow (USER32.@)
1885 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1890 if (is_broadcast(hwnd))
1892 SetLastError( ERROR_INVALID_PARAMETER );
1896 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1897 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1901 TRACE("( %p, %d )\n", hwnd, enable);
1903 retvalue = !IsWindowEnabled( hwnd );
1905 if (enable && retvalue)
1907 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1908 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1910 else if (!enable && !retvalue)
1914 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1916 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1918 if (hwnd == GetFocus())
1919 SetFocus( 0 ); /* A disabled window can't have the focus */
1921 capture_wnd = GetCapture();
1922 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1923 ReleaseCapture(); /* A disabled window can't capture the mouse */
1925 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1931 /***********************************************************************
1932 * IsWindowEnabled (USER32.@)
1934 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1936 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1940 /***********************************************************************
1941 * IsWindowUnicode (USER32.@)
1943 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1946 BOOL retvalue = FALSE;
1948 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1950 if (wndPtr == WND_DESKTOP) return TRUE;
1952 if (wndPtr != WND_OTHER_PROCESS)
1954 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1955 WIN_ReleasePtr( wndPtr );
1959 SERVER_START_REQ( get_window_info )
1961 req->handle = wine_server_user_handle( hwnd );
1962 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1970 /**********************************************************************
1973 * Helper function for GetWindowLong().
1975 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1977 LONG_PTR retvalue = 0;
1980 if (offset == GWLP_HWNDPARENT)
1982 HWND parent = GetAncestor( hwnd, GA_PARENT );
1983 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1984 return (ULONG_PTR)parent;
1987 if (!(wndPtr = WIN_GetPtr( hwnd )))
1989 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1993 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1995 if (offset == GWLP_WNDPROC)
1997 SetLastError( ERROR_ACCESS_DENIED );
2000 SERVER_START_REQ( set_window_info )
2002 req->handle = wine_server_user_handle( hwnd );
2003 req->flags = 0; /* don't set anything, just retrieve */
2004 req->extra_offset = (offset >= 0) ? offset : -1;
2005 req->extra_size = (offset >= 0) ? size : 0;
2006 if (!wine_server_call_err( req ))
2010 case GWL_STYLE: retvalue = reply->old_style; break;
2011 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
2012 case GWLP_ID: retvalue = reply->old_id; break;
2013 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wine_server_get_ptr( reply->old_instance ); break;
2014 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
2016 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
2017 else SetLastError( ERROR_INVALID_INDEX );
2026 /* now we have a valid wndPtr */
2030 if (offset > (int)(wndPtr->cbWndExtra - size))
2032 WARN("Invalid offset %d\n", offset );
2033 WIN_ReleasePtr( wndPtr );
2034 SetLastError( ERROR_INVALID_INDEX );
2037 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
2039 /* Special case for dialog window procedure */
2040 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2041 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
2042 WIN_ReleasePtr( wndPtr );
2048 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
2049 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
2050 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
2051 case GWLP_ID: retvalue = wndPtr->wIDmenu; break;
2052 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
2054 /* This looks like a hack only for the edit control (see tests). This makes these controls
2055 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
2056 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
2058 if (wndPtr->winproc == BUILTIN_WINPROC(WINPROC_EDIT) && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
2059 retvalue = (ULONG_PTR)wndPtr->winproc;
2061 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
2064 WARN("Unknown offset %d\n", offset );
2065 SetLastError( ERROR_INVALID_INDEX );
2068 WIN_ReleasePtr(wndPtr);
2073 /**********************************************************************
2076 * Helper function for SetWindowLong().
2078 * 0 is the failure code. However, in the case of failure SetLastError
2079 * must be set to distinguish between a 0 return value and a failure.
2081 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
2085 LONG_PTR retval = 0;
2088 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
2090 if (is_broadcast(hwnd))
2092 SetLastError( ERROR_INVALID_PARAMETER );
2096 if (!(wndPtr = WIN_GetPtr( hwnd )))
2098 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2101 if (wndPtr == WND_DESKTOP)
2103 /* can't change anything on the desktop window */
2104 SetLastError( ERROR_ACCESS_DENIED );
2107 if (wndPtr == WND_OTHER_PROCESS)
2109 if (offset == GWLP_WNDPROC)
2111 SetLastError( ERROR_ACCESS_DENIED );
2114 if (offset > 32767 || offset < -32767)
2116 SetLastError( ERROR_INVALID_INDEX );
2119 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
2122 /* first some special cases */
2126 style.styleOld = wndPtr->dwStyle;
2127 style.styleNew = newval;
2128 WIN_ReleasePtr( wndPtr );
2129 SendMessageW( hwnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM)&style );
2130 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2131 newval = style.styleNew;
2132 /* WS_CLIPSIBLINGS can't be reset on top-level windows */
2133 if (wndPtr->parent == GetDesktopWindow()) newval |= WS_CLIPSIBLINGS;
2136 style.styleOld = wndPtr->dwExStyle;
2137 style.styleNew = newval;
2138 WIN_ReleasePtr( wndPtr );
2139 SendMessageW( hwnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM)&style );
2140 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2141 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
2142 newval = (style.styleNew & ~WS_EX_TOPMOST) | (wndPtr->dwExStyle & WS_EX_TOPMOST);
2143 /* WS_EX_WINDOWEDGE depends on some other styles */
2144 if ((newval & WS_EX_DLGMODALFRAME) || (wndPtr->dwStyle & WS_THICKFRAME))
2145 newval |= WS_EX_WINDOWEDGE;
2146 else if (wndPtr->dwStyle & (WS_CHILD|WS_POPUP))
2147 newval &= ~WS_EX_WINDOWEDGE;
2149 case GWLP_HWNDPARENT:
2150 if (wndPtr->parent == GetDesktopWindow())
2152 WIN_ReleasePtr( wndPtr );
2153 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
2157 WIN_ReleasePtr( wndPtr );
2158 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
2163 UINT old_flags = wndPtr->flags;
2164 retval = WIN_GetWindowLong( hwnd, offset, size, unicode );
2165 proc = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2166 if (proc) wndPtr->winproc = proc;
2167 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
2168 else wndPtr->flags &= ~WIN_ISUNICODE;
2169 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
2171 WIN_ReleasePtr( wndPtr );
2174 /* update is_unicode flag on the server side */
2178 case GWLP_HINSTANCE:
2182 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2183 (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2185 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
2186 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
2187 *ptr = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2188 WIN_ReleasePtr( wndPtr );
2193 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
2195 WARN("Invalid offset %d\n", offset );
2196 WIN_ReleasePtr( wndPtr );
2197 SetLastError( ERROR_INVALID_INDEX );
2200 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
2202 /* already set to the same value */
2203 WIN_ReleasePtr( wndPtr );
2209 SERVER_START_REQ( set_window_info )
2211 req->handle = wine_server_user_handle( hwnd );
2212 req->extra_offset = -1;
2216 req->flags = SET_WIN_STYLE;
2217 req->style = newval;
2220 req->flags = SET_WIN_EXSTYLE;
2221 req->ex_style = newval;
2224 req->flags = SET_WIN_ID;
2227 case GWLP_HINSTANCE:
2228 req->flags = SET_WIN_INSTANCE;
2229 req->instance = wine_server_client_ptr( (void *)newval );
2232 req->flags = SET_WIN_UNICODE;
2233 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
2236 req->flags = SET_WIN_USERDATA;
2237 req->user_data = newval;
2240 req->flags = SET_WIN_EXTRA;
2241 req->extra_offset = offset;
2242 req->extra_size = size;
2243 set_win_data( &req->extra_value, newval, size );
2245 if ((ok = !wine_server_call_err( req )))
2250 wndPtr->dwStyle = newval;
2251 retval = reply->old_style;
2254 wndPtr->dwExStyle = newval;
2255 retval = reply->old_ex_style;
2258 wndPtr->wIDmenu = newval;
2259 retval = reply->old_id;
2261 case GWLP_HINSTANCE:
2262 wndPtr->hInstance = (HINSTANCE)newval;
2263 retval = (ULONG_PTR)wine_server_get_ptr( reply->old_instance );
2268 wndPtr->userdata = newval;
2269 retval = reply->old_user_data;
2272 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2273 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2279 WIN_ReleasePtr( wndPtr );
2283 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2285 style.styleOld = retval;
2286 style.styleNew = newval;
2287 USER_Driver->pSetWindowStyle( hwnd, offset, &style );
2288 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2295 /**********************************************************************
2296 * GetWindowWord (USER32.@)
2298 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2303 case GWLP_HINSTANCE:
2304 case GWLP_HWNDPARENT:
2309 WARN("Invalid offset %d\n", offset );
2310 SetLastError( ERROR_INVALID_INDEX );
2315 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2319 /**********************************************************************
2320 * GetWindowLongA (USER32.@)
2322 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2324 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2328 /**********************************************************************
2329 * GetWindowLongW (USER32.@)
2331 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2333 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2337 /**********************************************************************
2338 * SetWindowWord (USER32.@)
2340 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2345 case GWLP_HINSTANCE:
2346 case GWLP_HWNDPARENT:
2351 WARN("Invalid offset %d\n", offset );
2352 SetLastError( ERROR_INVALID_INDEX );
2357 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2361 /**********************************************************************
2362 * SetWindowLongA (USER32.@)
2364 * See SetWindowLongW.
2366 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2368 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2372 /**********************************************************************
2373 * SetWindowLongW (USER32.@) Set window attribute
2375 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2376 * value in a window's extra memory.
2378 * The _hwnd_ parameter specifies the window. is the handle to a
2379 * window that has extra memory. The _newval_ parameter contains the
2380 * new attribute or extra memory value. If positive, the _offset_
2381 * parameter is the byte-addressed location in the window's extra
2382 * memory to set. If negative, _offset_ specifies the window
2383 * attribute to set, and should be one of the following values:
2385 * GWL_EXSTYLE The window's extended window style
2387 * GWL_STYLE The window's window style.
2389 * GWLP_WNDPROC Pointer to the window's window procedure.
2391 * GWLP_HINSTANCE The window's pplication instance handle.
2393 * GWLP_ID The window's identifier.
2395 * GWLP_USERDATA The window's user-specified data.
2397 * If the window is a dialog box, the _offset_ parameter can be one of
2398 * the following values:
2400 * DWLP_DLGPROC The address of the window's dialog box procedure.
2402 * DWLP_MSGRESULT The return value of a message
2403 * that the dialog box procedure processed.
2405 * DWLP_USER Application specific information.
2409 * If successful, returns the previous value located at _offset_. Otherwise,
2414 * Extra memory for a window class is specified by a nonzero cbWndExtra
2415 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2416 * time of class creation.
2418 * Using GWL_WNDPROC to set a new window procedure effectively creates
2419 * a window subclass. Use CallWindowProc() in the new windows procedure
2420 * to pass messages to the superclass's window procedure.
2422 * The user data is reserved for use by the application which created
2425 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2426 * instead, call the EnableWindow() function to change the window's
2429 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2430 * SetParent() instead.
2433 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2434 * it sends WM_STYLECHANGING before changing the settings
2435 * and WM_STYLECHANGED afterwards.
2436 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2438 LONG WINAPI SetWindowLongW(
2439 HWND hwnd, /* [in] window to alter */
2440 INT offset, /* [in] offset, in bytes, of location to alter */
2441 LONG newval /* [in] new value of location */
2443 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2447 /*******************************************************************
2448 * GetWindowTextA (USER32.@)
2450 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2454 if (!lpString) return 0;
2456 if (WIN_IsCurrentProcess( hwnd ))
2457 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2459 /* when window belongs to other process, don't send a message */
2460 if (nMaxCount <= 0) return 0;
2461 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2462 get_server_window_text( hwnd, buffer, nMaxCount );
2463 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2464 lpString[nMaxCount-1] = 0;
2465 HeapFree( GetProcessHeap(), 0, buffer );
2466 return strlen(lpString);
2470 /*******************************************************************
2471 * InternalGetWindowText (USER32.@)
2473 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2477 if (nMaxCount <= 0) return 0;
2478 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2479 if (win == WND_DESKTOP) lpString[0] = 0;
2480 else if (win != WND_OTHER_PROCESS)
2482 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2483 else lpString[0] = 0;
2484 WIN_ReleasePtr( win );
2488 get_server_window_text( hwnd, lpString, nMaxCount );
2490 return strlenW(lpString);
2494 /*******************************************************************
2495 * GetWindowTextW (USER32.@)
2497 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2499 if (!lpString) return 0;
2501 if (WIN_IsCurrentProcess( hwnd ))
2502 return (INT)SendMessageW( 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 get_server_window_text( hwnd, lpString, nMaxCount );
2507 return strlenW(lpString);
2511 /*******************************************************************
2512 * SetWindowTextA (USER32.@)
2513 * SetWindowText (USER32.@)
2515 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2517 if (is_broadcast(hwnd))
2519 SetLastError( ERROR_INVALID_PARAMETER );
2522 if (!WIN_IsCurrentProcess( hwnd ))
2523 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2524 debugstr_a(lpString), hwnd );
2525 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2529 /*******************************************************************
2530 * SetWindowTextW (USER32.@)
2532 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2534 if (is_broadcast(hwnd))
2536 SetLastError( ERROR_INVALID_PARAMETER );
2539 if (!WIN_IsCurrentProcess( hwnd ))
2540 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2541 debugstr_w(lpString), hwnd );
2542 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2546 /*******************************************************************
2547 * GetWindowTextLengthA (USER32.@)
2549 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2551 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2554 /*******************************************************************
2555 * GetWindowTextLengthW (USER32.@)
2557 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2559 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2563 /*******************************************************************
2564 * IsWindow (USER32.@)
2566 BOOL WINAPI IsWindow( HWND hwnd )
2571 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2572 if (ptr == WND_DESKTOP) return TRUE;
2574 if (ptr != WND_OTHER_PROCESS)
2576 WIN_ReleasePtr( ptr );
2580 /* check other processes */
2581 SERVER_START_REQ( get_window_info )
2583 req->handle = wine_server_user_handle( hwnd );
2584 ret = !wine_server_call_err( req );
2591 /***********************************************************************
2592 * GetWindowThreadProcessId (USER32.@)
2594 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2599 if (!(ptr = WIN_GetPtr( hwnd )))
2601 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2605 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2607 /* got a valid window */
2609 if (process) *process = GetCurrentProcessId();
2610 WIN_ReleasePtr( ptr );
2614 /* check other processes */
2615 SERVER_START_REQ( get_window_info )
2617 req->handle = wine_server_user_handle( hwnd );
2618 if (!wine_server_call_err( req ))
2620 tid = (DWORD)reply->tid;
2621 if (process) *process = (DWORD)reply->pid;
2629 /*****************************************************************
2630 * GetParent (USER32.@)
2632 HWND WINAPI GetParent( HWND hwnd )
2637 if (!(wndPtr = WIN_GetPtr( hwnd )))
2639 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2642 if (wndPtr == WND_DESKTOP) return 0;
2643 if (wndPtr == WND_OTHER_PROCESS)
2645 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2646 if (style & (WS_POPUP | WS_CHILD))
2648 SERVER_START_REQ( get_window_tree )
2650 req->handle = wine_server_user_handle( hwnd );
2651 if (!wine_server_call_err( req ))
2653 if (style & WS_POPUP) retvalue = wine_server_ptr_handle( reply->owner );
2654 else if (style & WS_CHILD) retvalue = wine_server_ptr_handle( reply->parent );
2662 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2663 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2664 WIN_ReleasePtr( wndPtr );
2670 /*****************************************************************
2671 * GetAncestor (USER32.@)
2673 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2676 HWND *list, ret = 0;
2681 if (!(win = WIN_GetPtr( hwnd )))
2683 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2686 if (win == WND_DESKTOP) return 0;
2687 if (win != WND_OTHER_PROCESS)
2690 WIN_ReleasePtr( win );
2692 else /* need to query the server */
2694 SERVER_START_REQ( get_window_tree )
2696 req->handle = wine_server_user_handle( hwnd );
2697 if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->parent );
2704 if (!(list = list_window_parents( hwnd ))) return 0;
2706 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2710 while (list[count]) count++;
2711 ret = list[count - 2]; /* get the one before the desktop */
2713 HeapFree( GetProcessHeap(), 0, list );
2717 if (is_desktop_window( hwnd )) return 0;
2718 ret = WIN_GetFullHandle( hwnd );
2721 HWND parent = GetParent( ret );
2731 /*****************************************************************
2732 * SetParent (USER32.@)
2734 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2737 HWND old_parent = 0;
2742 if (is_broadcast(hwnd) || is_broadcast(parent))
2744 SetLastError(ERROR_INVALID_PARAMETER);
2748 if (!parent) parent = GetDesktopWindow();
2749 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
2750 else parent = WIN_GetFullHandle( parent );
2752 if (!IsWindow( parent ))
2754 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2758 /* Some applications try to set a child as a parent */
2759 if (IsChild(hwnd, parent))
2761 SetLastError( ERROR_INVALID_PARAMETER );
2765 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2766 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2768 if (full_handle == parent)
2770 SetLastError( ERROR_INVALID_PARAMETER );
2774 /* Windows hides the window first, then shows it again
2775 * including the WM_SHOWWINDOW messages and all */
2776 was_visible = ShowWindow( hwnd, SW_HIDE );
2778 wndPtr = WIN_GetPtr( hwnd );
2779 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2781 SERVER_START_REQ( set_parent )
2783 req->handle = wine_server_user_handle( hwnd );
2784 req->parent = wine_server_user_handle( parent );
2785 if ((ret = !wine_server_call( req )))
2787 old_parent = wine_server_ptr_handle( reply->old_parent );
2788 wndPtr->parent = parent = wine_server_ptr_handle( reply->full_parent );
2793 WIN_ReleasePtr( wndPtr );
2796 USER_Driver->pSetParent( full_handle, parent, old_parent );
2798 /* SetParent additionally needs to make hwnd the topmost window
2799 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2800 WM_WINDOWPOSCHANGED notification messages.
2802 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0,
2803 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2804 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2805 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2811 /*******************************************************************
2812 * IsChild (USER32.@)
2814 BOOL WINAPI IsChild( HWND parent, HWND child )
2816 HWND *list = list_window_parents( child );
2820 if (!list) return FALSE;
2821 parent = WIN_GetFullHandle( parent );
2822 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2823 ret = list[i] && list[i+1];
2824 HeapFree( GetProcessHeap(), 0, list );
2829 /***********************************************************************
2830 * IsWindowVisible (USER32.@)
2832 BOOL WINAPI IsWindowVisible( HWND hwnd )
2838 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2839 if (!(list = list_window_parents( hwnd ))) return TRUE;
2842 for (i = 0; list[i+1]; i++)
2843 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2844 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2846 HeapFree( GetProcessHeap(), 0, list );
2851 /***********************************************************************
2852 * WIN_IsWindowDrawable
2854 * hwnd is drawable when it is visible, all parents are not
2855 * minimized, and it is itself not minimized unless we are
2856 * trying to draw its default class icon.
2858 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2863 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2865 if (!(style & WS_VISIBLE)) return FALSE;
2866 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2868 if (!(list = list_window_parents( hwnd ))) return TRUE;
2871 for (i = 0; list[i+1]; i++)
2872 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2874 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2876 HeapFree( GetProcessHeap(), 0, list );
2881 /*******************************************************************
2882 * GetTopWindow (USER32.@)
2884 HWND WINAPI GetTopWindow( HWND hwnd )
2886 if (!hwnd) hwnd = GetDesktopWindow();
2887 return GetWindow( hwnd, GW_CHILD );
2891 /*******************************************************************
2892 * GetWindow (USER32.@)
2894 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2898 if (rel == GW_OWNER) /* this one may be available locally */
2900 WND *wndPtr = WIN_GetPtr( hwnd );
2903 SetLastError( ERROR_INVALID_HANDLE );
2906 if (wndPtr == WND_DESKTOP) return 0;
2907 if (wndPtr != WND_OTHER_PROCESS)
2909 retval = wndPtr->owner;
2910 WIN_ReleasePtr( wndPtr );
2913 /* else fall through to server call */
2916 SERVER_START_REQ( get_window_tree )
2918 req->handle = wine_server_user_handle( hwnd );
2919 if (!wine_server_call_err( req ))
2924 retval = wine_server_ptr_handle( reply->first_sibling );
2927 retval = wine_server_ptr_handle( reply->last_sibling );
2930 retval = wine_server_ptr_handle( reply->next_sibling );
2933 retval = wine_server_ptr_handle( reply->prev_sibling );
2936 retval = wine_server_ptr_handle( reply->owner );
2939 retval = wine_server_ptr_handle( reply->first_child );
2949 /*******************************************************************
2950 * ShowOwnedPopups (USER32.@)
2952 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2956 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2958 if (!win_array) return TRUE;
2960 while (win_array[count]) count++;
2961 while (--count >= 0)
2963 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2964 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2965 if (pWnd == WND_OTHER_PROCESS) continue;
2968 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2970 WIN_ReleasePtr( pWnd );
2971 /* In Windows, ShowOwnedPopups(TRUE) generates
2972 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2973 * regardless of the state of the owner
2975 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2981 if (pWnd->dwStyle & WS_VISIBLE)
2983 WIN_ReleasePtr( pWnd );
2984 /* In Windows, ShowOwnedPopups(FALSE) generates
2985 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2986 * regardless of the state of the owner
2988 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2992 WIN_ReleasePtr( pWnd );
2994 HeapFree( GetProcessHeap(), 0, win_array );
2999 /*******************************************************************
3000 * GetLastActivePopup (USER32.@)
3002 HWND WINAPI GetLastActivePopup( HWND hwnd )
3006 SERVER_START_REQ( get_window_info )
3008 req->handle = wine_server_user_handle( hwnd );
3009 if (!wine_server_call_err( req )) retval = wine_server_ptr_handle( reply->last_active );
3016 /*******************************************************************
3019 * Build an array of the children of a given window. The array must be
3020 * freed with HeapFree. Returns NULL when no windows are found.
3022 HWND *WIN_ListChildren( HWND hwnd )
3026 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3029 return list_window_children( 0, hwnd, NULL, 0 );
3033 /*******************************************************************
3034 * EnumWindows (USER32.@)
3036 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
3042 USER_CheckNotLock();
3044 /* We have to build a list of all windows first, to avoid */
3045 /* unpleasant side-effects, for instance if the callback */
3046 /* function changes the Z-order of the windows. */
3048 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
3050 /* Now call the callback function for every window */
3052 for (i = 0; list[i]; i++)
3054 /* Make sure that the window still exists */
3055 if (!IsWindow( list[i] )) continue;
3056 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
3058 HeapFree( GetProcessHeap(), 0, list );
3063 /**********************************************************************
3064 * EnumThreadWindows (USER32.@)
3066 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
3072 USER_CheckNotLock();
3074 if (!(list = list_window_children( 0, GetDesktopWindow(), NULL, id ))) return TRUE;
3076 /* Now call the callback function for every window */
3078 for (i = 0; list[i]; i++)
3079 if (!(ret = func( list[i], lParam ))) break;
3080 HeapFree( GetProcessHeap(), 0, list );
3085 /***********************************************************************
3086 * EnumDesktopWindows (USER32.@)
3088 BOOL WINAPI EnumDesktopWindows( HDESK desktop, WNDENUMPROC func, LPARAM lparam )
3093 USER_CheckNotLock();
3095 if (!(list = list_window_children( desktop, 0, NULL, 0 ))) return TRUE;
3097 for (i = 0; list[i]; i++)
3098 if (!func( list[i], lparam )) break;
3099 HeapFree( GetProcessHeap(), 0, list );
3104 /**********************************************************************
3105 * WIN_EnumChildWindows
3107 * Helper function for EnumChildWindows().
3109 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
3114 for ( ; *list; list++)
3116 /* Make sure that the window still exists */
3117 if (!IsWindow( *list )) continue;
3118 /* Build children list first */
3119 childList = WIN_ListChildren( *list );
3121 ret = func( *list, lParam );
3125 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3126 HeapFree( GetProcessHeap(), 0, childList );
3128 if (!ret) return FALSE;
3134 /**********************************************************************
3135 * EnumChildWindows (USER32.@)
3137 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3142 USER_CheckNotLock();
3144 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3145 ret = WIN_EnumChildWindows( list, func, lParam );
3146 HeapFree( GetProcessHeap(), 0, list );
3151 /*******************************************************************
3152 * AnyPopup (USER32.@)
3154 BOOL WINAPI AnyPopup(void)
3158 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3160 if (!list) return FALSE;
3161 for (i = 0; list[i]; i++)
3163 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3165 retvalue = (list[i] != 0);
3166 HeapFree( GetProcessHeap(), 0, list );
3171 /*******************************************************************
3172 * FlashWindow (USER32.@)
3174 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3178 TRACE("%p\n", hWnd);
3180 if (IsIconic( hWnd ))
3182 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3184 wndPtr = WIN_GetPtr(hWnd);
3185 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3186 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3188 wndPtr->flags |= WIN_NCACTIVATED;
3192 wndPtr->flags &= ~WIN_NCACTIVATED;
3194 WIN_ReleasePtr( wndPtr );
3201 wndPtr = WIN_GetPtr(hWnd);
3202 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3203 hWnd = wndPtr->obj.handle; /* make it a full handle */
3205 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3206 else wparam = (hWnd == GetForegroundWindow());
3208 WIN_ReleasePtr( wndPtr );
3209 SendMessageW( hWnd, WM_NCACTIVATE, wparam, 0 );
3214 /*******************************************************************
3215 * FlashWindowEx (USER32.@)
3217 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3219 FIXME("%p\n", pfwi);
3223 /*******************************************************************
3224 * GetWindowContextHelpId (USER32.@)
3226 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3229 WND *wnd = WIN_GetPtr( hwnd );
3230 if (!wnd || wnd == WND_DESKTOP) return 0;
3231 if (wnd == WND_OTHER_PROCESS)
3233 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3236 retval = wnd->helpContext;
3237 WIN_ReleasePtr( wnd );
3242 /*******************************************************************
3243 * SetWindowContextHelpId (USER32.@)
3245 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3247 WND *wnd = WIN_GetPtr( hwnd );
3248 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3249 if (wnd == WND_OTHER_PROCESS)
3251 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3254 wnd->helpContext = id;
3255 WIN_ReleasePtr( wnd );
3260 /*******************************************************************
3261 * DragDetect (USER32.@)
3263 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3267 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3268 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3270 rect.left = pt.x - wDragWidth;
3271 rect.right = pt.x + wDragWidth;
3273 rect.top = pt.y - wDragHeight;
3274 rect.bottom = pt.y + wDragHeight;
3280 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3282 if( msg.message == WM_LBUTTONUP )
3287 if( msg.message == WM_MOUSEMOVE )
3290 tmp.x = (short)LOWORD(msg.lParam);
3291 tmp.y = (short)HIWORD(msg.lParam);
3292 if( !PtInRect( &rect, tmp ))
3304 /******************************************************************************
3305 * GetWindowModuleFileNameA (USER32.@)
3307 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR module, UINT size )
3312 TRACE( "%p, %p, %u\n", hwnd, module, size );
3314 win = WIN_GetPtr( hwnd );
3315 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3317 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3320 hinst = win->hInstance;
3321 WIN_ReleasePtr( win );
3323 return GetModuleFileNameA( hinst, module, size );
3326 /******************************************************************************
3327 * GetWindowModuleFileNameW (USER32.@)
3329 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR module, UINT size )
3334 TRACE( "%p, %p, %u\n", hwnd, module, size );
3336 win = WIN_GetPtr( hwnd );
3337 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3339 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3342 hinst = win->hInstance;
3343 WIN_ReleasePtr( win );
3345 return GetModuleFileNameW( hinst, module, size );
3348 /******************************************************************************
3349 * GetWindowInfo (USER32.@)
3351 * Note: tests show that Windows doesn't check cbSize of the structure.
3353 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3355 if (!pwi) return FALSE;
3356 if (!WIN_GetRectangles( hwnd, COORDS_SCREEN, &pwi->rcWindow, &pwi->rcClient )) return FALSE;
3358 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3359 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3360 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3362 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3363 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3365 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3366 pwi->wCreatorVersion = 0x0400;
3371 /******************************************************************************
3372 * SwitchDesktop (USER32.@)
3374 * NOTES: Sets the current input or interactive desktop.
3376 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3378 FIXME("(hwnd %p) stub!\n", hDesktop);
3382 /*****************************************************************************
3383 * SetLayeredWindowAttributes (USER32.@)
3385 BOOL WINAPI SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
3389 TRACE("(%p,%08x,%d,%x): stub!\n", hwnd, key, alpha, flags);
3391 SERVER_START_REQ( set_window_layered_info )
3393 req->handle = wine_server_user_handle( hwnd );
3394 req->color_key = key;
3397 ret = !wine_server_call_err( req );
3401 if (ret) USER_Driver->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
3407 /*****************************************************************************
3408 * GetLayeredWindowAttributes (USER32.@)
3410 BOOL WINAPI GetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags )
3414 SERVER_START_REQ( get_window_layered_info )
3416 req->handle = wine_server_user_handle( hwnd );
3417 if ((ret = !wine_server_call_err( req )))
3419 if (key) *key = reply->color_key;
3420 if (alpha) *alpha = reply->alpha;
3421 if (flags) *flags = reply->flags;
3430 /*****************************************************************************
3431 * UpdateLayeredWindowIndirect (USER32.@)
3433 BOOL WINAPI UpdateLayeredWindowIndirect( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info )
3437 if (!(info->dwFlags & ULW_EX_NORESIZE) && (info->pptDst || info->psize))
3439 int x = 0, y = 0, cx = 0, cy = 0;
3440 DWORD flags = SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW | SWP_NOSENDCHANGING;
3444 x = info->pptDst->x;
3445 y = info->pptDst->y;
3446 flags &= ~SWP_NOMOVE;
3450 cx = info->psize->cx;
3451 cy = info->psize->cy;
3452 flags &= ~SWP_NOSIZE;
3454 TRACE( "moving window %p pos %d,%d %dx%d\n", hwnd, x, y, cx, cy );
3455 SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
3460 HDC hdc = GetWindowDC( hwnd );
3467 GetWindowRect( hwnd, &rect );
3468 OffsetRect( &rect, -rect.left, -rect.top);
3471 x = info->pptSrc->x;
3472 y = info->pptSrc->y;
3475 if (!info->prcDirty || (info->prcDirty && IntersectRect(&rect, &rect, info->prcDirty)))
3477 TRACE( "copying window %p pos %d,%d\n", hwnd, x, y );
3478 BitBlt( hdc, rect.left, rect.top, rect.right, rect.bottom,
3479 info->hdcSrc, rect.left + x, rect.top + y, SRCCOPY );
3481 ReleaseDC( hwnd, hdc );
3485 if (info->pblend && !(info->dwFlags & ULW_OPAQUE)) alpha = info->pblend->SourceConstantAlpha;
3486 TRACE( "setting window %p alpha %u\n", hwnd, alpha );
3487 USER_Driver->pSetLayeredWindowAttributes( hwnd, info->crKey, alpha,
3488 info->dwFlags & (LWA_ALPHA | LWA_COLORKEY) );
3493 /*****************************************************************************
3494 * UpdateLayeredWindow (USER32.@)
3496 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3497 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3500 UPDATELAYEREDWINDOWINFO info;
3502 info.cbSize = sizeof(info);
3503 info.hdcDst = hdcDst;
3504 info.pptDst = pptDst;
3506 info.hdcSrc = hdcSrc;
3507 info.pptSrc = pptSrc;
3509 info.pblend = pblend;
3510 info.dwFlags = dwFlags;
3511 info.prcDirty = NULL;
3512 return UpdateLayeredWindowIndirect( hwnd, &info );
3516 /******************************************************************************
3517 * GetProcessDefaultLayout [USER32.@]
3519 * Gets the default layout for parentless windows.
3521 BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
3525 SetLastError( ERROR_NOACCESS );
3528 *layout = process_layout;
3533 /******************************************************************************
3534 * SetProcessDefaultLayout [USER32.@]
3536 * Sets the default layout for parentless windows.
3538 BOOL WINAPI SetProcessDefaultLayout( DWORD layout )
3540 process_layout = layout;
3545 /* 64bit versions */
3547 #ifdef GetWindowLongPtrW
3548 #undef GetWindowLongPtrW
3551 #ifdef GetWindowLongPtrA
3552 #undef GetWindowLongPtrA
3555 #ifdef SetWindowLongPtrW
3556 #undef SetWindowLongPtrW
3559 #ifdef SetWindowLongPtrA
3560 #undef SetWindowLongPtrA
3563 /*****************************************************************************
3564 * GetWindowLongPtrW (USER32.@)
3566 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3568 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3571 /*****************************************************************************
3572 * GetWindowLongPtrA (USER32.@)
3574 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3576 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3579 /*****************************************************************************
3580 * SetWindowLongPtrW (USER32.@)
3582 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3584 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3587 /*****************************************************************************
3588 * SetWindowLongPtrA (USER32.@)
3590 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3592 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );