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 );
722 SERVER_START_REQ( get_window_rectangles )
724 req->handle = wine_server_user_handle( hwnd );
725 req->relative = relative;
726 if ((ret = !wine_server_call_err( req )))
730 rectWindow->left = reply->window.left;
731 rectWindow->top = reply->window.top;
732 rectWindow->right = reply->window.right;
733 rectWindow->bottom = reply->window.bottom;
737 rectClient->left = reply->client.left;
738 rectClient->top = reply->client.top;
739 rectClient->right = reply->client.right;
740 rectClient->bottom = reply->client.bottom;
749 /***********************************************************************
752 * Destroy storage associated to a window. "Internals" p.358
754 LRESULT WIN_DestroyWindow( HWND hwnd )
758 HMENU menu = 0, sys_menu;
761 TRACE("%p\n", hwnd );
763 /* free child windows */
764 if ((list = WIN_ListChildren( hwnd )))
767 for (i = 0; list[i]; i++)
769 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
770 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
772 HeapFree( GetProcessHeap(), 0, list );
775 /* Unlink now so we won't bother with the children later on */
776 SERVER_START_REQ( set_parent )
778 req->handle = wine_server_user_handle( hwnd );
780 wine_server_call( req );
785 * Send the WM_NCDESTROY to the window being destroyed.
787 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
789 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
791 /* free resources associated with the window */
793 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
794 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
795 menu = (HMENU)wndPtr->wIDmenu;
796 sys_menu = wndPtr->hSysMenu;
797 free_dce( wndPtr->dce, hwnd );
799 icon_title = wndPtr->icon_title;
800 HeapFree( GetProcessHeap(), 0, wndPtr->text );
802 HeapFree( GetProcessHeap(), 0, wndPtr->pScroll );
803 wndPtr->pScroll = NULL;
804 WIN_ReleasePtr( wndPtr );
806 if (icon_title) DestroyWindow( icon_title );
807 if (menu) DestroyMenu( menu );
808 if (sys_menu) DestroyMenu( sys_menu );
810 USER_Driver->pDestroyWindow( hwnd );
812 free_window_handle( hwnd );
817 /***********************************************************************
818 * destroy_thread_window
820 * Destroy a window upon exit of its thread.
822 static void destroy_thread_window( HWND hwnd )
826 HMENU menu = 0, sys_menu = 0;
829 /* free child windows */
831 if ((list = WIN_ListChildren( hwnd )))
834 for (i = 0; list[i]; i++)
836 if (WIN_IsCurrentThread( list[i] )) destroy_thread_window( list[i] );
837 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
839 HeapFree( GetProcessHeap(), 0, list );
842 /* destroy the client-side storage */
844 index = USER_HANDLE_TO_INDEX(hwnd);
845 if (index >= NB_USER_HANDLES) return;
847 if ((wndPtr = user_handles[index]))
849 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD) menu = (HMENU)wndPtr->wIDmenu;
850 sys_menu = wndPtr->hSysMenu;
851 free_dce( wndPtr->dce, hwnd );
852 InterlockedCompareExchangePointer( &user_handles[index], NULL, wndPtr );
856 HeapFree( GetProcessHeap(), 0, wndPtr );
857 if (menu) DestroyMenu( menu );
858 if (sys_menu) DestroyMenu( sys_menu );
862 /***********************************************************************
863 * destroy_thread_child_windows
865 * Destroy child windows upon exit of its thread.
867 static void destroy_thread_child_windows( HWND hwnd )
872 if (WIN_IsCurrentThread( hwnd ))
874 destroy_thread_window( hwnd );
876 else if ((list = WIN_ListChildren( hwnd )))
878 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
879 HeapFree( GetProcessHeap(), 0, list );
884 /***********************************************************************
885 * WIN_DestroyThreadWindows
887 * Destroy all children of 'wnd' owned by the current thread.
889 void WIN_DestroyThreadWindows( HWND hwnd )
894 if (!(list = WIN_ListChildren( hwnd ))) return;
896 /* reset owners of top-level windows */
897 for (i = 0; list[i]; i++)
899 if (!WIN_IsCurrentThread( list[i] ))
901 HWND owner = GetWindow( list[i], GW_OWNER );
902 if (owner && WIN_IsCurrentThread( owner )) WIN_SetOwner( list[i], 0 );
906 for (i = 0; list[i]; i++) destroy_thread_child_windows( list[i] );
907 HeapFree( GetProcessHeap(), 0, list );
911 /***********************************************************************
914 * Fix the coordinates - Helper for WIN_CreateWindowEx.
915 * returns default show mode in sw.
917 static void WIN_FixCoordinates( CREATESTRUCTW *cs, INT *sw)
919 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == (SHORT)0x8000)
922 if (cs->dwExStyle & WS_EX_MDICHILD)
926 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
927 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
929 TRACE("MDI child id %04x\n", id);
932 if (cs->style & (WS_CHILD | WS_POPUP))
934 if (cs->dwExStyle & WS_EX_MDICHILD)
936 if (IS_DEFAULT(cs->x))
941 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
942 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
946 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
947 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
950 else /* overlapped window */
953 MONITORINFO mon_info;
956 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
958 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
959 mon_info.cbSize = sizeof(mon_info);
960 GetMonitorInfoW( monitor, &mon_info );
961 GetStartupInfoW( &info );
963 if (IS_DEFAULT(cs->x))
965 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
966 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
967 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
970 if (IS_DEFAULT(cs->cx))
972 if (info.dwFlags & STARTF_USESIZE)
974 cs->cx = info.dwXSize;
975 cs->cy = info.dwYSize;
979 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
980 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
983 /* neither x nor cx are default. Check the y values .
984 * In the trace we see Outlook and Outlook Express using
985 * cy set to CW_USEDEFAULT when opening the address book.
987 else if (IS_DEFAULT(cs->cy))
989 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
990 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
996 /***********************************************************************
999 static void dump_window_styles( DWORD style, DWORD exstyle )
1002 if(style & WS_POPUP) TRACE(" WS_POPUP");
1003 if(style & WS_CHILD) TRACE(" WS_CHILD");
1004 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
1005 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
1006 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
1007 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
1008 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
1009 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
1010 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
1013 if(style & WS_BORDER) TRACE(" WS_BORDER");
1014 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
1016 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
1017 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
1018 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
1019 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
1020 if (style & WS_CHILD)
1022 if(style & WS_GROUP) TRACE(" WS_GROUP");
1023 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
1027 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
1028 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
1031 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
1032 #define DUMPED_STYLES \
1052 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
1054 #undef DUMPED_STYLES
1056 TRACE( "exstyle:" );
1057 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
1058 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
1059 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
1060 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
1061 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
1062 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
1063 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
1064 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
1065 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
1066 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
1067 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
1068 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
1069 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
1070 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
1071 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
1072 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
1073 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
1074 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
1075 if(exstyle & WS_EX_LAYOUTRTL) TRACE(" WS_EX_LAYOUTRTL");
1077 #define DUMPED_EX_STYLES \
1078 (WS_EX_DLGMODALFRAME | \
1079 WS_EX_DRAGDETECT | \
1080 WS_EX_NOPARENTNOTIFY | \
1082 WS_EX_ACCEPTFILES | \
1083 WS_EX_TRANSPARENT | \
1085 WS_EX_TOOLWINDOW | \
1086 WS_EX_WINDOWEDGE | \
1087 WS_EX_CLIENTEDGE | \
1088 WS_EX_CONTEXTHELP | \
1090 WS_EX_RTLREADING | \
1091 WS_EX_LEFTSCROLLBAR | \
1092 WS_EX_CONTROLPARENT | \
1093 WS_EX_STATICEDGE | \
1098 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
1100 #undef DUMPED_EX_STYLES
1104 /***********************************************************************
1105 * WIN_CreateWindowEx
1107 * Implementation of CreateWindowEx().
1109 HWND WIN_CreateWindowEx( CREATESTRUCTW *cs, LPCWSTR className, HINSTANCE module, BOOL unicode )
1111 INT cx, cy, style, sw = SW_SHOW;
1115 HWND hwnd, parent, owner, top_child = 0;
1116 MDICREATESTRUCTW mdi_cs;
1117 CBT_CREATEWNDW cbtc;
1120 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
1121 unicode ? debugstr_w(cs->lpszName) : debugstr_a((LPCSTR)cs->lpszName),
1122 debugstr_w(className),
1123 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
1124 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
1125 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
1127 /* Fix the styles for MDI children */
1128 if (cs->dwExStyle & WS_EX_MDICHILD)
1132 wndPtr = WIN_GetPtr(cs->hwndParent);
1133 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
1135 flags = wndPtr->flags;
1136 WIN_ReleasePtr(wndPtr);
1139 if (!(flags & WIN_ISMDICLIENT))
1141 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
1145 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
1146 * MDICREATESTRUCT members have the originally passed values.
1148 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
1149 * have the same layout.
1151 mdi_cs.szClass = cs->lpszClass;
1152 mdi_cs.szTitle = cs->lpszName;
1153 mdi_cs.hOwner = cs->hInstance;
1158 mdi_cs.style = cs->style;
1159 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
1161 cs->lpCreateParams = &mdi_cs;
1163 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
1165 if (cs->style & WS_POPUP)
1167 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
1170 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
1174 cs->style &= ~WS_POPUP;
1175 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
1176 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
1179 top_child = GetWindow(cs->hwndParent, GW_CHILD);
1183 /* Restore current maximized child */
1184 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
1186 TRACE("Restoring current maximized child %p\n", top_child);
1187 if (cs->style & WS_MAXIMIZE)
1189 /* if the new window is maximized don't bother repainting */
1190 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
1191 ShowWindow( top_child, SW_SHOWNORMAL );
1192 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
1194 else ShowWindow( top_child, SW_SHOWNORMAL );
1199 /* Find the parent window */
1201 parent = cs->hwndParent;
1204 if (cs->hwndParent == HWND_MESSAGE)
1206 cs->hwndParent = parent = get_hwnd_message_parent();
1208 else if (cs->hwndParent)
1210 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
1212 parent = GetDesktopWindow();
1213 owner = cs->hwndParent;
1217 DWORD parent_style = GetWindowLongW( parent, GWL_EXSTYLE );
1218 if ((parent_style & WS_EX_LAYOUTRTL) && !(parent_style & WS_EX_NOINHERITLAYOUT))
1219 cs->dwExStyle |= WS_EX_LAYOUTRTL;
1224 static const WCHAR messageW[] = {'M','e','s','s','a','g','e',0};
1226 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1228 WARN("No parent for child window\n" );
1229 SetLastError(ERROR_TLW_WITH_WSCHILD);
1230 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1232 /* are we creating the desktop or HWND_MESSAGE parent itself? */
1233 if (className != (LPCWSTR)DESKTOP_CLASS_ATOM &&
1234 (IS_INTRESOURCE(className) || strcmpiW( className, messageW )))
1235 parent = GetDesktopWindow();
1236 if (process_layout & LAYOUT_RTL) cs->dwExStyle |= WS_EX_LAYOUTRTL;
1239 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1241 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1242 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1243 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1244 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1246 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1248 /* Create the window structure */
1250 if (!(wndPtr = create_window_handle( parent, owner, className, module, unicode )))
1252 hwnd = wndPtr->obj.handle;
1254 /* Fill the window structure */
1256 wndPtr->tid = GetCurrentThreadId();
1257 wndPtr->hInstance = cs->hInstance;
1258 wndPtr->text = NULL;
1259 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1260 wndPtr->dwExStyle = cs->dwExStyle;
1261 wndPtr->wIDmenu = 0;
1262 wndPtr->helpContext = 0;
1263 wndPtr->pScroll = NULL;
1264 wndPtr->userdata = 0;
1266 wndPtr->hIconSmall = 0;
1267 wndPtr->hSysMenu = 0;
1269 wndPtr->min_pos.x = wndPtr->min_pos.y = -1;
1270 wndPtr->max_pos.x = wndPtr->max_pos.y = -1;
1272 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1275 * Correct the window styles.
1277 * It affects only the style loaded into the WIN structure.
1280 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1282 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1283 if (!(wndPtr->dwStyle & WS_POPUP))
1284 wndPtr->dwStyle |= WS_CAPTION;
1288 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1289 * why does the user get to set it?
1292 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1293 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1294 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1296 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1298 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1299 wndPtr->flags |= WIN_NEED_SIZE;
1301 SERVER_START_REQ( set_window_info )
1303 req->handle = wine_server_user_handle( hwnd );
1304 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1305 req->style = wndPtr->dwStyle;
1306 req->ex_style = wndPtr->dwExStyle;
1307 req->instance = wine_server_client_ptr( wndPtr->hInstance );
1308 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1309 req->extra_offset = -1;
1310 wine_server_call( req );
1314 /* Set the window menu */
1316 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1320 if (!MENU_SetMenu(hwnd, cs->hMenu))
1322 WIN_ReleasePtr( wndPtr );
1323 free_window_handle( hwnd );
1329 LPCWSTR menuName = (LPCWSTR)GetClassLongPtrW( hwnd, GCLP_MENUNAME );
1332 cs->hMenu = LoadMenuW( cs->hInstance, menuName );
1333 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1337 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1339 /* call the WH_CBT hook */
1341 /* the window style passed to the hook must be the real window style,
1342 * rather than just the window style that the caller to CreateWindowEx
1343 * passed in, so we have to copy the original CREATESTRUCT and get the
1344 * the real style. */
1346 cbcs.style = wndPtr->dwStyle;
1348 cbtc.hwndInsertAfter = HWND_TOP;
1349 WIN_ReleasePtr( wndPtr );
1350 if (HOOK_CallHooks( WH_CBT, HCBT_CREATEWND, (WPARAM)hwnd, (LPARAM)&cbtc, unicode )) goto failed;
1352 /* send the WM_GETMINMAXINFO message and fix the size if needed */
1356 if ((cs->style & WS_THICKFRAME) || !(cs->style & (WS_POPUP | WS_CHILD)))
1358 POINT maxSize, maxPos, minTrack, maxTrack;
1359 WINPOS_GetMinMaxInfo( hwnd, &maxSize, &maxPos, &minTrack, &maxTrack);
1360 if (maxTrack.x < cx) cx = maxTrack.x;
1361 if (maxTrack.y < cy) cy = maxTrack.y;
1362 if (minTrack.x > cx) cx = minTrack.x;
1363 if (minTrack.y > cy) cy = minTrack.y;
1368 SetRect( &rect, cs->x, cs->y, cs->x + cx, cs->y + cy );
1369 /* check for wraparound */
1370 if (cs->x + cx < cs->x) rect.right = 0x7fffffff;
1371 if (cs->y + cy < cs->y) rect.bottom = 0x7fffffff;
1372 if (!set_window_pos( hwnd, 0, SWP_NOZORDER | SWP_NOACTIVATE, &rect, &rect, NULL )) goto failed;
1374 /* send WM_NCCREATE */
1376 TRACE( "hwnd %p cs %d,%d %dx%d\n", hwnd, cs->x, cs->y, cx, cy );
1378 result = SendMessageW( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1380 result = SendMessageA( hwnd, WM_NCCREATE, 0, (LPARAM)cs );
1383 WARN( "%p: aborted by WM_NCCREATE\n", hwnd );
1387 /* send WM_NCCALCSIZE */
1389 if (WIN_GetRectangles( hwnd, COORDS_PARENT, &rect, NULL ))
1391 /* yes, even if the CBT hook was called with HWND_TOP */
1392 HWND insert_after = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) ? HWND_BOTTOM : HWND_TOP;
1393 RECT client_rect = rect;
1395 /* the rectangle is in screen coords for WM_NCCALCSIZE when wparam is FALSE */
1396 MapWindowPoints( parent, 0, (POINT *)&client_rect, 2 );
1397 SendMessageW( hwnd, WM_NCCALCSIZE, FALSE, (LPARAM)&client_rect );
1398 MapWindowPoints( 0, parent, (POINT *)&client_rect, 2 );
1399 set_window_pos( hwnd, insert_after, SWP_NOACTIVATE, &rect, &client_rect, NULL );
1403 /* send WM_CREATE */
1406 result = SendMessageW( hwnd, WM_CREATE, 0, (LPARAM)cs );
1408 result = SendMessageA( hwnd, WM_CREATE, 0, (LPARAM)cs );
1409 if (result == -1) goto failed;
1411 /* call the driver */
1413 if (!USER_Driver->pCreateWindow( hwnd )) goto failed;
1415 NotifyWinEvent(EVENT_OBJECT_CREATE, hwnd, OBJID_WINDOW, 0);
1417 /* send the size messages */
1419 if (!(wndPtr = WIN_GetPtr( hwnd )) ||
1420 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
1421 if (!(wndPtr->flags & WIN_NEED_SIZE))
1423 WIN_ReleasePtr( wndPtr );
1424 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &rect );
1425 SendMessageW( hwnd, WM_SIZE, SIZE_RESTORED,
1426 MAKELONG(rect.right-rect.left, rect.bottom-rect.top));
1427 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( rect.left, rect.top ) );
1429 else WIN_ReleasePtr( wndPtr );
1431 /* Show the window, maximizing or minimizing if needed */
1433 style = WIN_SetStyle( hwnd, 0, WS_MAXIMIZE | WS_MINIMIZE );
1434 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1437 UINT swFlag = (style & WS_MINIMIZE) ? SW_MINIMIZE : SW_MAXIMIZE;
1439 swFlag = WINPOS_MinMaximize( hwnd, swFlag, &newPos );
1440 swFlag |= SWP_FRAMECHANGED; /* Frame always gets changed */
1441 if (!(style & WS_VISIBLE) || (style & WS_CHILD) || GetActiveWindow()) swFlag |= SWP_NOACTIVATE;
1442 SetWindowPos( hwnd, 0, newPos.left, newPos.top, newPos.right - newPos.left,
1443 newPos.bottom - newPos.top, swFlag );
1446 /* Notify the parent window only */
1448 send_parent_notify( hwnd, WM_CREATE );
1449 if (!IsWindow( hwnd )) return 0;
1451 if (cs->style & WS_VISIBLE)
1453 if (cs->style & WS_MAXIMIZE)
1455 else if (cs->style & WS_MINIMIZE)
1456 sw = SW_SHOWMINIMIZED;
1458 ShowWindow( hwnd, sw );
1459 if (cs->dwExStyle & WS_EX_MDICHILD)
1461 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1462 /* ShowWindow won't activate child windows */
1463 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1467 /* Call WH_SHELL hook */
1469 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1470 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1472 TRACE("created window %p\n", hwnd);
1476 WIN_DestroyWindow( hwnd );
1481 /***********************************************************************
1482 * CreateWindowExA (USER32.@)
1484 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1485 LPCSTR windowName, DWORD style, INT x,
1486 INT y, INT width, INT height,
1487 HWND parent, HMENU menu,
1488 HINSTANCE instance, LPVOID data )
1492 cs.lpCreateParams = data;
1493 cs.hInstance = instance;
1495 cs.hwndParent = parent;
1501 cs.lpszName = windowName;
1502 cs.lpszClass = className;
1503 cs.dwExStyle = exStyle;
1505 if (!IS_INTRESOURCE(className))
1508 if (!MultiByteToWideChar( CP_ACP, 0, className, -1, bufferW, sizeof(bufferW)/sizeof(WCHAR) ))
1510 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, bufferW, instance, FALSE );
1512 /* Note: we rely on the fact that CREATESTRUCTA and */
1513 /* CREATESTRUCTW have the same layout. */
1514 return wow_handlers.create_window( (CREATESTRUCTW *)&cs, (LPCWSTR)className, instance, FALSE );
1518 /***********************************************************************
1519 * CreateWindowExW (USER32.@)
1521 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1522 LPCWSTR 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 return wow_handlers.create_window( &cs, className, instance, TRUE );
1546 /***********************************************************************
1547 * WIN_SendDestroyMsg
1549 static void WIN_SendDestroyMsg( HWND hwnd )
1553 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1555 if (hwnd == info.hwndCaret) DestroyCaret();
1556 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1560 * Send the WM_DESTROY to the window.
1562 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1565 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1566 * make sure that the window still exists when we come back.
1573 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1575 for (i = 0; pWndArray[i]; i++)
1577 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1579 HeapFree( GetProcessHeap(), 0, pWndArray );
1582 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1586 /***********************************************************************
1587 * DestroyWindow (USER32.@)
1589 BOOL WINAPI DestroyWindow( HWND hwnd )
1593 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || is_desktop_window( hwnd ))
1595 SetLastError( ERROR_ACCESS_DENIED );
1599 TRACE("(%p)\n", hwnd);
1603 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1605 if (MENU_IsMenuActive() == hwnd)
1608 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1612 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1613 send_parent_notify( hwnd, WM_DESTROY );
1615 else if (!GetWindow( hwnd, GW_OWNER ))
1617 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1618 /* FIXME: clean up palette - see "Internals" p.352 */
1621 if (!IsWindow(hwnd)) return TRUE;
1623 /* Hide the window */
1624 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1626 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1628 ShowWindow( hwnd, SW_HIDE );
1630 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1631 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1634 if (!IsWindow(hwnd)) return TRUE;
1636 /* Recursively destroy owned windows */
1643 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1646 for (i = 0; list[i]; i++)
1648 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1649 if (WIN_IsCurrentThread( list[i] ))
1651 DestroyWindow( list[i] );
1655 WIN_SetOwner( list[i], 0 );
1657 HeapFree( GetProcessHeap(), 0, list );
1659 if (!got_one) break;
1663 /* Send destroy messages */
1665 WIN_SendDestroyMsg( hwnd );
1666 if (!IsWindow( hwnd )) return TRUE;
1668 if (GetClipboardOwner() == hwnd)
1669 CLIPBOARD_ReleaseOwner();
1671 /* Destroy the window storage */
1673 WIN_DestroyWindow( hwnd );
1678 /***********************************************************************
1679 * CloseWindow (USER32.@)
1681 BOOL WINAPI CloseWindow( HWND hwnd )
1683 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1684 ShowWindow( hwnd, SW_MINIMIZE );
1689 /***********************************************************************
1690 * OpenIcon (USER32.@)
1692 BOOL WINAPI OpenIcon( HWND hwnd )
1694 if (!IsIconic( hwnd )) return FALSE;
1695 ShowWindow( hwnd, SW_SHOWNORMAL );
1700 /***********************************************************************
1701 * FindWindowExW (USER32.@)
1703 HWND WINAPI FindWindowExW( HWND parent, HWND child, LPCWSTR className, LPCWSTR title )
1708 WCHAR *buffer = NULL;
1710 if (!parent && child) parent = GetDesktopWindow();
1711 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
1715 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1716 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1719 if (!(list = list_window_children( 0, parent, className, 0 ))) goto done;
1723 child = WIN_GetFullHandle( child );
1724 while (list[i] && list[i] != child) i++;
1725 if (!list[i]) goto done;
1726 i++; /* start from next window */
1733 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1740 HeapFree( GetProcessHeap(), 0, list );
1741 HeapFree( GetProcessHeap(), 0, buffer );
1747 /***********************************************************************
1748 * FindWindowA (USER32.@)
1750 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1752 HWND ret = FindWindowExA( 0, 0, className, title );
1753 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1758 /***********************************************************************
1759 * FindWindowExA (USER32.@)
1761 HWND WINAPI FindWindowExA( HWND parent, HWND child, LPCSTR className, LPCSTR title )
1763 LPWSTR titleW = NULL;
1768 DWORD len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1769 if (!(titleW = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1770 MultiByteToWideChar( CP_ACP, 0, title, -1, titleW, len );
1773 if (!IS_INTRESOURCE(className))
1776 if (MultiByteToWideChar( CP_ACP, 0, className, -1, classW, sizeof(classW)/sizeof(WCHAR) ))
1777 hwnd = FindWindowExW( parent, child, classW, titleW );
1781 hwnd = FindWindowExW( parent, child, (LPCWSTR)className, titleW );
1784 HeapFree( GetProcessHeap(), 0, titleW );
1789 /***********************************************************************
1790 * FindWindowW (USER32.@)
1792 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1794 return FindWindowExW( 0, 0, className, title );
1798 /**********************************************************************
1799 * GetDesktopWindow (USER32.@)
1801 HWND WINAPI GetDesktopWindow(void)
1803 struct user_thread_info *thread_info = get_user_thread_info();
1805 if (thread_info->top_window) return thread_info->top_window;
1807 SERVER_START_REQ( get_desktop_window )
1810 if (!wine_server_call( req ))
1812 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1813 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1818 if (!thread_info->top_window)
1820 USEROBJECTFLAGS flags;
1821 if (!GetUserObjectInformationW( GetProcessWindowStation(), UOI_FLAGS, &flags,
1822 sizeof(flags), NULL ) || (flags.dwFlags & WSF_VISIBLE))
1824 static const WCHAR explorer[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',0};
1825 static const WCHAR args[] = {' ','/','d','e','s','k','t','o','p',0};
1827 PROCESS_INFORMATION pi;
1828 WCHAR windir[MAX_PATH];
1829 WCHAR app[MAX_PATH + sizeof(explorer)/sizeof(WCHAR)];
1830 WCHAR cmdline[MAX_PATH + (sizeof(explorer) + sizeof(args))/sizeof(WCHAR)];
1833 memset( &si, 0, sizeof(si) );
1835 si.dwFlags = STARTF_USESTDHANDLES;
1838 si.hStdError = GetStdHandle( STD_ERROR_HANDLE );
1840 GetSystemDirectoryW( windir, MAX_PATH );
1841 strcpyW( app, windir );
1842 strcatW( app, explorer );
1843 strcpyW( cmdline, app );
1844 strcatW( cmdline, args );
1846 Wow64DisableWow64FsRedirection( &redir );
1847 if (CreateProcessW( app, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1848 NULL, windir, &si, &pi ))
1850 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1851 WaitForInputIdle( pi.hProcess, 10000 );
1852 CloseHandle( pi.hThread );
1853 CloseHandle( pi.hProcess );
1855 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1856 Wow64RevertWow64FsRedirection( redir );
1858 else TRACE( "not starting explorer since winstation is not visible\n" );
1860 SERVER_START_REQ( get_desktop_window )
1863 if (!wine_server_call( req ))
1865 thread_info->top_window = wine_server_ptr_handle( reply->top_window );
1866 thread_info->msg_window = wine_server_ptr_handle( reply->msg_window );
1872 if (!thread_info->top_window || !USER_Driver->pCreateDesktopWindow( thread_info->top_window ))
1873 ERR( "failed to create desktop window\n" );
1875 return thread_info->top_window;
1879 /*******************************************************************
1880 * EnableWindow (USER32.@)
1882 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1887 if (is_broadcast(hwnd))
1889 SetLastError( ERROR_INVALID_PARAMETER );
1893 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1894 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1898 TRACE("( %p, %d )\n", hwnd, enable);
1900 retvalue = !IsWindowEnabled( hwnd );
1902 if (enable && retvalue)
1904 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1905 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1907 else if (!enable && !retvalue)
1911 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1913 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1915 if (hwnd == GetFocus())
1916 SetFocus( 0 ); /* A disabled window can't have the focus */
1918 capture_wnd = GetCapture();
1919 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1920 ReleaseCapture(); /* A disabled window can't capture the mouse */
1922 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1928 /***********************************************************************
1929 * IsWindowEnabled (USER32.@)
1931 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1933 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1937 /***********************************************************************
1938 * IsWindowUnicode (USER32.@)
1940 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1943 BOOL retvalue = FALSE;
1945 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1947 if (wndPtr == WND_DESKTOP) return TRUE;
1949 if (wndPtr != WND_OTHER_PROCESS)
1951 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1952 WIN_ReleasePtr( wndPtr );
1956 SERVER_START_REQ( get_window_info )
1958 req->handle = wine_server_user_handle( hwnd );
1959 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1967 /**********************************************************************
1970 * Helper function for GetWindowLong().
1972 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1974 LONG_PTR retvalue = 0;
1977 if (offset == GWLP_HWNDPARENT)
1979 HWND parent = GetAncestor( hwnd, GA_PARENT );
1980 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1981 return (ULONG_PTR)parent;
1984 if (!(wndPtr = WIN_GetPtr( hwnd )))
1986 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1990 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1992 if (offset == GWLP_WNDPROC)
1994 SetLastError( ERROR_ACCESS_DENIED );
1997 SERVER_START_REQ( set_window_info )
1999 req->handle = wine_server_user_handle( hwnd );
2000 req->flags = 0; /* don't set anything, just retrieve */
2001 req->extra_offset = (offset >= 0) ? offset : -1;
2002 req->extra_size = (offset >= 0) ? size : 0;
2003 if (!wine_server_call_err( req ))
2007 case GWL_STYLE: retvalue = reply->old_style; break;
2008 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
2009 case GWLP_ID: retvalue = reply->old_id; break;
2010 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wine_server_get_ptr( reply->old_instance ); break;
2011 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
2013 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
2014 else SetLastError( ERROR_INVALID_INDEX );
2023 /* now we have a valid wndPtr */
2027 if (offset > (int)(wndPtr->cbWndExtra - size))
2029 WARN("Invalid offset %d\n", offset );
2030 WIN_ReleasePtr( wndPtr );
2031 SetLastError( ERROR_INVALID_INDEX );
2034 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
2036 /* Special case for dialog window procedure */
2037 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2038 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
2039 WIN_ReleasePtr( wndPtr );
2045 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
2046 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
2047 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
2048 case GWLP_ID: retvalue = wndPtr->wIDmenu; break;
2049 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
2051 /* This looks like a hack only for the edit control (see tests). This makes these controls
2052 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
2053 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
2055 if (wndPtr->winproc == BUILTIN_WINPROC(WINPROC_EDIT) && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
2056 retvalue = (ULONG_PTR)wndPtr->winproc;
2058 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
2061 WARN("Unknown offset %d\n", offset );
2062 SetLastError( ERROR_INVALID_INDEX );
2065 WIN_ReleasePtr(wndPtr);
2070 /**********************************************************************
2073 * Helper function for SetWindowLong().
2075 * 0 is the failure code. However, in the case of failure SetLastError
2076 * must be set to distinguish between a 0 return value and a failure.
2078 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
2082 LONG_PTR retval = 0;
2085 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
2087 if (is_broadcast(hwnd))
2089 SetLastError( ERROR_INVALID_PARAMETER );
2093 if (!(wndPtr = WIN_GetPtr( hwnd )))
2095 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2098 if (wndPtr == WND_DESKTOP)
2100 /* can't change anything on the desktop window */
2101 SetLastError( ERROR_ACCESS_DENIED );
2104 if (wndPtr == WND_OTHER_PROCESS)
2106 if (offset == GWLP_WNDPROC)
2108 SetLastError( ERROR_ACCESS_DENIED );
2111 if (offset > 32767 || offset < -32767)
2113 SetLastError( ERROR_INVALID_INDEX );
2116 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
2119 /* first some special cases */
2123 style.styleOld = wndPtr->dwStyle;
2124 style.styleNew = newval;
2125 WIN_ReleasePtr( wndPtr );
2126 SendMessageW( hwnd, WM_STYLECHANGING, GWL_STYLE, (LPARAM)&style );
2127 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2128 newval = style.styleNew;
2129 /* WS_CLIPSIBLINGS can't be reset on top-level windows */
2130 if (wndPtr->parent == GetDesktopWindow()) newval |= WS_CLIPSIBLINGS;
2133 style.styleOld = wndPtr->dwExStyle;
2134 style.styleNew = newval;
2135 WIN_ReleasePtr( wndPtr );
2136 SendMessageW( hwnd, WM_STYLECHANGING, GWL_EXSTYLE, (LPARAM)&style );
2137 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2138 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
2139 newval = (style.styleNew & ~WS_EX_TOPMOST) | (wndPtr->dwExStyle & WS_EX_TOPMOST);
2140 /* WS_EX_WINDOWEDGE depends on some other styles */
2141 if ((newval & WS_EX_DLGMODALFRAME) || (wndPtr->dwStyle & WS_THICKFRAME))
2142 newval |= WS_EX_WINDOWEDGE;
2143 else if (wndPtr->dwStyle & (WS_CHILD|WS_POPUP))
2144 newval &= ~WS_EX_WINDOWEDGE;
2146 case GWLP_HWNDPARENT:
2147 if (wndPtr->parent == GetDesktopWindow())
2149 WIN_ReleasePtr( wndPtr );
2150 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
2154 WIN_ReleasePtr( wndPtr );
2155 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
2160 UINT old_flags = wndPtr->flags;
2161 retval = WIN_GetWindowLong( hwnd, offset, size, unicode );
2162 proc = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2163 if (proc) wndPtr->winproc = proc;
2164 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
2165 else wndPtr->flags &= ~WIN_ISUNICODE;
2166 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
2168 WIN_ReleasePtr( wndPtr );
2171 /* update is_unicode flag on the server side */
2175 case GWLP_HINSTANCE:
2179 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2180 (size == sizeof(LONG_PTR)) && wndPtr->dlgInfo)
2182 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
2183 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
2184 *ptr = WINPROC_AllocProc( (WNDPROC)newval, unicode );
2185 WIN_ReleasePtr( wndPtr );
2190 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
2192 WARN("Invalid offset %d\n", offset );
2193 WIN_ReleasePtr( wndPtr );
2194 SetLastError( ERROR_INVALID_INDEX );
2197 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
2199 /* already set to the same value */
2200 WIN_ReleasePtr( wndPtr );
2206 SERVER_START_REQ( set_window_info )
2208 req->handle = wine_server_user_handle( hwnd );
2209 req->extra_offset = -1;
2213 req->flags = SET_WIN_STYLE;
2214 req->style = newval;
2217 req->flags = SET_WIN_EXSTYLE;
2218 req->ex_style = newval;
2221 req->flags = SET_WIN_ID;
2224 case GWLP_HINSTANCE:
2225 req->flags = SET_WIN_INSTANCE;
2226 req->instance = wine_server_client_ptr( (void *)newval );
2229 req->flags = SET_WIN_UNICODE;
2230 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
2233 req->flags = SET_WIN_USERDATA;
2234 req->user_data = newval;
2237 req->flags = SET_WIN_EXTRA;
2238 req->extra_offset = offset;
2239 req->extra_size = size;
2240 set_win_data( &req->extra_value, newval, size );
2242 if ((ok = !wine_server_call_err( req )))
2247 wndPtr->dwStyle = newval;
2248 retval = reply->old_style;
2251 wndPtr->dwExStyle = newval;
2252 retval = reply->old_ex_style;
2255 wndPtr->wIDmenu = newval;
2256 retval = reply->old_id;
2258 case GWLP_HINSTANCE:
2259 wndPtr->hInstance = (HINSTANCE)newval;
2260 retval = (ULONG_PTR)wine_server_get_ptr( reply->old_instance );
2265 wndPtr->userdata = newval;
2266 retval = reply->old_user_data;
2269 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2270 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2276 WIN_ReleasePtr( wndPtr );
2280 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2282 style.styleOld = retval;
2283 style.styleNew = newval;
2284 USER_Driver->pSetWindowStyle( hwnd, offset, &style );
2285 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2292 /**********************************************************************
2293 * GetWindowWord (USER32.@)
2295 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2300 case GWLP_HINSTANCE:
2301 case GWLP_HWNDPARENT:
2306 WARN("Invalid offset %d\n", offset );
2307 SetLastError( ERROR_INVALID_INDEX );
2312 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2316 /**********************************************************************
2317 * GetWindowLongA (USER32.@)
2319 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2321 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2325 /**********************************************************************
2326 * GetWindowLongW (USER32.@)
2328 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2330 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2334 /**********************************************************************
2335 * SetWindowWord (USER32.@)
2337 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2342 case GWLP_HINSTANCE:
2343 case GWLP_HWNDPARENT:
2348 WARN("Invalid offset %d\n", offset );
2349 SetLastError( ERROR_INVALID_INDEX );
2354 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2358 /**********************************************************************
2359 * SetWindowLongA (USER32.@)
2361 * See SetWindowLongW.
2363 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2365 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2369 /**********************************************************************
2370 * SetWindowLongW (USER32.@) Set window attribute
2372 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2373 * value in a window's extra memory.
2375 * The _hwnd_ parameter specifies the window. is the handle to a
2376 * window that has extra memory. The _newval_ parameter contains the
2377 * new attribute or extra memory value. If positive, the _offset_
2378 * parameter is the byte-addressed location in the window's extra
2379 * memory to set. If negative, _offset_ specifies the window
2380 * attribute to set, and should be one of the following values:
2382 * GWL_EXSTYLE The window's extended window style
2384 * GWL_STYLE The window's window style.
2386 * GWLP_WNDPROC Pointer to the window's window procedure.
2388 * GWLP_HINSTANCE The window's pplication instance handle.
2390 * GWLP_ID The window's identifier.
2392 * GWLP_USERDATA The window's user-specified data.
2394 * If the window is a dialog box, the _offset_ parameter can be one of
2395 * the following values:
2397 * DWLP_DLGPROC The address of the window's dialog box procedure.
2399 * DWLP_MSGRESULT The return value of a message
2400 * that the dialog box procedure processed.
2402 * DWLP_USER Application specific information.
2406 * If successful, returns the previous value located at _offset_. Otherwise,
2411 * Extra memory for a window class is specified by a nonzero cbWndExtra
2412 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2413 * time of class creation.
2415 * Using GWL_WNDPROC to set a new window procedure effectively creates
2416 * a window subclass. Use CallWindowProc() in the new windows procedure
2417 * to pass messages to the superclass's window procedure.
2419 * The user data is reserved for use by the application which created
2422 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2423 * instead, call the EnableWindow() function to change the window's
2426 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2427 * SetParent() instead.
2430 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2431 * it sends WM_STYLECHANGING before changing the settings
2432 * and WM_STYLECHANGED afterwards.
2433 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2435 LONG WINAPI SetWindowLongW(
2436 HWND hwnd, /* [in] window to alter */
2437 INT offset, /* [in] offset, in bytes, of location to alter */
2438 LONG newval /* [in] new value of location */
2440 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2444 /*******************************************************************
2445 * GetWindowTextA (USER32.@)
2447 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2451 if (!lpString) return 0;
2453 if (WIN_IsCurrentProcess( hwnd ))
2454 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2456 /* when window belongs to other process, don't send a message */
2457 if (nMaxCount <= 0) return 0;
2458 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2459 get_server_window_text( hwnd, buffer, nMaxCount );
2460 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2461 lpString[nMaxCount-1] = 0;
2462 HeapFree( GetProcessHeap(), 0, buffer );
2463 return strlen(lpString);
2467 /*******************************************************************
2468 * InternalGetWindowText (USER32.@)
2470 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2474 if (nMaxCount <= 0) return 0;
2475 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2476 if (win == WND_DESKTOP) lpString[0] = 0;
2477 else if (win != WND_OTHER_PROCESS)
2479 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2480 else lpString[0] = 0;
2481 WIN_ReleasePtr( win );
2485 get_server_window_text( hwnd, lpString, nMaxCount );
2487 return strlenW(lpString);
2491 /*******************************************************************
2492 * GetWindowTextW (USER32.@)
2494 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2496 if (!lpString) return 0;
2498 if (WIN_IsCurrentProcess( hwnd ))
2499 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2501 /* when window belongs to other process, don't send a message */
2502 if (nMaxCount <= 0) return 0;
2503 get_server_window_text( hwnd, lpString, nMaxCount );
2504 return strlenW(lpString);
2508 /*******************************************************************
2509 * SetWindowTextA (USER32.@)
2510 * SetWindowText (USER32.@)
2512 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2514 if (is_broadcast(hwnd))
2516 SetLastError( ERROR_INVALID_PARAMETER );
2519 if (!WIN_IsCurrentProcess( hwnd ))
2520 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2521 debugstr_a(lpString), hwnd );
2522 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2526 /*******************************************************************
2527 * SetWindowTextW (USER32.@)
2529 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2531 if (is_broadcast(hwnd))
2533 SetLastError( ERROR_INVALID_PARAMETER );
2536 if (!WIN_IsCurrentProcess( hwnd ))
2537 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2538 debugstr_w(lpString), hwnd );
2539 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2543 /*******************************************************************
2544 * GetWindowTextLengthA (USER32.@)
2546 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2548 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2551 /*******************************************************************
2552 * GetWindowTextLengthW (USER32.@)
2554 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2556 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2560 /*******************************************************************
2561 * IsWindow (USER32.@)
2563 BOOL WINAPI IsWindow( HWND hwnd )
2568 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2569 if (ptr == WND_DESKTOP) return TRUE;
2571 if (ptr != WND_OTHER_PROCESS)
2573 WIN_ReleasePtr( ptr );
2577 /* check other processes */
2578 SERVER_START_REQ( get_window_info )
2580 req->handle = wine_server_user_handle( hwnd );
2581 ret = !wine_server_call_err( req );
2588 /***********************************************************************
2589 * GetWindowThreadProcessId (USER32.@)
2591 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2596 if (!(ptr = WIN_GetPtr( hwnd )))
2598 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2602 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2604 /* got a valid window */
2606 if (process) *process = GetCurrentProcessId();
2607 WIN_ReleasePtr( ptr );
2611 /* check other processes */
2612 SERVER_START_REQ( get_window_info )
2614 req->handle = wine_server_user_handle( hwnd );
2615 if (!wine_server_call_err( req ))
2617 tid = (DWORD)reply->tid;
2618 if (process) *process = (DWORD)reply->pid;
2626 /*****************************************************************
2627 * GetParent (USER32.@)
2629 HWND WINAPI GetParent( HWND hwnd )
2634 if (!(wndPtr = WIN_GetPtr( hwnd )))
2636 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2639 if (wndPtr == WND_DESKTOP) return 0;
2640 if (wndPtr == WND_OTHER_PROCESS)
2642 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2643 if (style & (WS_POPUP | WS_CHILD))
2645 SERVER_START_REQ( get_window_tree )
2647 req->handle = wine_server_user_handle( hwnd );
2648 if (!wine_server_call_err( req ))
2650 if (style & WS_POPUP) retvalue = wine_server_ptr_handle( reply->owner );
2651 else if (style & WS_CHILD) retvalue = wine_server_ptr_handle( reply->parent );
2659 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2660 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2661 WIN_ReleasePtr( wndPtr );
2667 /*****************************************************************
2668 * GetAncestor (USER32.@)
2670 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2673 HWND *list, ret = 0;
2678 if (!(win = WIN_GetPtr( hwnd )))
2680 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2683 if (win == WND_DESKTOP) return 0;
2684 if (win != WND_OTHER_PROCESS)
2687 WIN_ReleasePtr( win );
2689 else /* need to query the server */
2691 SERVER_START_REQ( get_window_tree )
2693 req->handle = wine_server_user_handle( hwnd );
2694 if (!wine_server_call_err( req )) ret = wine_server_ptr_handle( reply->parent );
2701 if (!(list = list_window_parents( hwnd ))) return 0;
2703 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2707 while (list[count]) count++;
2708 ret = list[count - 2]; /* get the one before the desktop */
2710 HeapFree( GetProcessHeap(), 0, list );
2714 if (is_desktop_window( hwnd )) return 0;
2715 ret = WIN_GetFullHandle( hwnd );
2718 HWND parent = GetParent( ret );
2728 /*****************************************************************
2729 * SetParent (USER32.@)
2731 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2734 HWND old_parent = 0;
2739 if (is_broadcast(hwnd) || is_broadcast(parent))
2741 SetLastError(ERROR_INVALID_PARAMETER);
2745 if (!parent) parent = GetDesktopWindow();
2746 else if (parent == HWND_MESSAGE) parent = get_hwnd_message_parent();
2747 else parent = WIN_GetFullHandle( parent );
2749 if (!IsWindow( parent ))
2751 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2755 /* Some applications try to set a child as a parent */
2756 if (IsChild(hwnd, parent))
2758 SetLastError( ERROR_INVALID_PARAMETER );
2762 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2763 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2765 if (full_handle == parent)
2767 SetLastError( ERROR_INVALID_PARAMETER );
2771 /* Windows hides the window first, then shows it again
2772 * including the WM_SHOWWINDOW messages and all */
2773 was_visible = ShowWindow( hwnd, SW_HIDE );
2775 wndPtr = WIN_GetPtr( hwnd );
2776 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2778 SERVER_START_REQ( set_parent )
2780 req->handle = wine_server_user_handle( hwnd );
2781 req->parent = wine_server_user_handle( parent );
2782 if ((ret = !wine_server_call( req )))
2784 old_parent = wine_server_ptr_handle( reply->old_parent );
2785 wndPtr->parent = parent = wine_server_ptr_handle( reply->full_parent );
2790 WIN_ReleasePtr( wndPtr );
2793 USER_Driver->pSetParent( full_handle, parent, old_parent );
2795 /* SetParent additionally needs to make hwnd the topmost window
2796 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2797 WM_WINDOWPOSCHANGED notification messages.
2799 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0,
2800 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2801 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2802 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2808 /*******************************************************************
2809 * IsChild (USER32.@)
2811 BOOL WINAPI IsChild( HWND parent, HWND child )
2813 HWND *list = list_window_parents( child );
2817 if (!list) return FALSE;
2818 parent = WIN_GetFullHandle( parent );
2819 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2820 ret = list[i] && list[i+1];
2821 HeapFree( GetProcessHeap(), 0, list );
2826 /***********************************************************************
2827 * IsWindowVisible (USER32.@)
2829 BOOL WINAPI IsWindowVisible( HWND hwnd )
2835 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2836 if (!(list = list_window_parents( hwnd ))) return TRUE;
2839 for (i = 0; list[i+1]; i++)
2840 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2841 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2843 HeapFree( GetProcessHeap(), 0, list );
2848 /***********************************************************************
2849 * WIN_IsWindowDrawable
2851 * hwnd is drawable when it is visible, all parents are not
2852 * minimized, and it is itself not minimized unless we are
2853 * trying to draw its default class icon.
2855 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2860 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2862 if (!(style & WS_VISIBLE)) return FALSE;
2863 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2865 if (!(list = list_window_parents( hwnd ))) return TRUE;
2868 for (i = 0; list[i+1]; i++)
2869 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2871 retval = !list[i+1] && (list[i] == GetDesktopWindow()); /* top message window isn't visible */
2873 HeapFree( GetProcessHeap(), 0, list );
2878 /*******************************************************************
2879 * GetTopWindow (USER32.@)
2881 HWND WINAPI GetTopWindow( HWND hwnd )
2883 if (!hwnd) hwnd = GetDesktopWindow();
2884 return GetWindow( hwnd, GW_CHILD );
2888 /*******************************************************************
2889 * GetWindow (USER32.@)
2891 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2895 if (rel == GW_OWNER) /* this one may be available locally */
2897 WND *wndPtr = WIN_GetPtr( hwnd );
2900 SetLastError( ERROR_INVALID_HANDLE );
2903 if (wndPtr == WND_DESKTOP) return 0;
2904 if (wndPtr != WND_OTHER_PROCESS)
2906 retval = wndPtr->owner;
2907 WIN_ReleasePtr( wndPtr );
2910 /* else fall through to server call */
2913 SERVER_START_REQ( get_window_tree )
2915 req->handle = wine_server_user_handle( hwnd );
2916 if (!wine_server_call_err( req ))
2921 retval = wine_server_ptr_handle( reply->first_sibling );
2924 retval = wine_server_ptr_handle( reply->last_sibling );
2927 retval = wine_server_ptr_handle( reply->next_sibling );
2930 retval = wine_server_ptr_handle( reply->prev_sibling );
2933 retval = wine_server_ptr_handle( reply->owner );
2936 retval = wine_server_ptr_handle( reply->first_child );
2946 /*******************************************************************
2947 * ShowOwnedPopups (USER32.@)
2949 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2953 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2955 if (!win_array) return TRUE;
2957 while (win_array[count]) count++;
2958 while (--count >= 0)
2960 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2961 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2962 if (pWnd == WND_OTHER_PROCESS) continue;
2965 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2967 WIN_ReleasePtr( pWnd );
2968 /* In Windows, ShowOwnedPopups(TRUE) generates
2969 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2970 * regardless of the state of the owner
2972 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2978 if (pWnd->dwStyle & WS_VISIBLE)
2980 WIN_ReleasePtr( pWnd );
2981 /* In Windows, ShowOwnedPopups(FALSE) generates
2982 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2983 * regardless of the state of the owner
2985 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2989 WIN_ReleasePtr( pWnd );
2991 HeapFree( GetProcessHeap(), 0, win_array );
2996 /*******************************************************************
2997 * GetLastActivePopup (USER32.@)
2999 HWND WINAPI GetLastActivePopup( HWND hwnd )
3003 SERVER_START_REQ( get_window_info )
3005 req->handle = wine_server_user_handle( hwnd );
3006 if (!wine_server_call_err( req )) retval = wine_server_ptr_handle( reply->last_active );
3013 /*******************************************************************
3016 * Build an array of the children of a given window. The array must be
3017 * freed with HeapFree. Returns NULL when no windows are found.
3019 HWND *WIN_ListChildren( HWND hwnd )
3023 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3026 return list_window_children( 0, hwnd, NULL, 0 );
3030 /*******************************************************************
3031 * EnumWindows (USER32.@)
3033 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
3039 USER_CheckNotLock();
3041 /* We have to build a list of all windows first, to avoid */
3042 /* unpleasant side-effects, for instance if the callback */
3043 /* function changes the Z-order of the windows. */
3045 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
3047 /* Now call the callback function for every window */
3049 for (i = 0; list[i]; i++)
3051 /* Make sure that the window still exists */
3052 if (!IsWindow( list[i] )) continue;
3053 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
3055 HeapFree( GetProcessHeap(), 0, list );
3060 /**********************************************************************
3061 * EnumThreadWindows (USER32.@)
3063 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
3069 USER_CheckNotLock();
3071 if (!(list = list_window_children( 0, GetDesktopWindow(), NULL, id ))) return TRUE;
3073 /* Now call the callback function for every window */
3075 for (i = 0; list[i]; i++)
3076 if (!(ret = func( list[i], lParam ))) break;
3077 HeapFree( GetProcessHeap(), 0, list );
3082 /***********************************************************************
3083 * EnumDesktopWindows (USER32.@)
3085 BOOL WINAPI EnumDesktopWindows( HDESK desktop, WNDENUMPROC func, LPARAM lparam )
3090 USER_CheckNotLock();
3092 if (!(list = list_window_children( desktop, 0, NULL, 0 ))) return TRUE;
3094 for (i = 0; list[i]; i++)
3095 if (!func( list[i], lparam )) break;
3096 HeapFree( GetProcessHeap(), 0, list );
3101 /**********************************************************************
3102 * WIN_EnumChildWindows
3104 * Helper function for EnumChildWindows().
3106 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
3111 for ( ; *list; list++)
3113 /* Make sure that the window still exists */
3114 if (!IsWindow( *list )) continue;
3115 /* Build children list first */
3116 childList = WIN_ListChildren( *list );
3118 ret = func( *list, lParam );
3122 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3123 HeapFree( GetProcessHeap(), 0, childList );
3125 if (!ret) return FALSE;
3131 /**********************************************************************
3132 * EnumChildWindows (USER32.@)
3134 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3139 USER_CheckNotLock();
3141 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3142 ret = WIN_EnumChildWindows( list, func, lParam );
3143 HeapFree( GetProcessHeap(), 0, list );
3148 /*******************************************************************
3149 * AnyPopup (USER32.@)
3151 BOOL WINAPI AnyPopup(void)
3155 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3157 if (!list) return FALSE;
3158 for (i = 0; list[i]; i++)
3160 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3162 retvalue = (list[i] != 0);
3163 HeapFree( GetProcessHeap(), 0, list );
3168 /*******************************************************************
3169 * FlashWindow (USER32.@)
3171 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3175 TRACE("%p\n", hWnd);
3177 if (IsIconic( hWnd ))
3179 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3181 wndPtr = WIN_GetPtr(hWnd);
3182 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3183 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3185 wndPtr->flags |= WIN_NCACTIVATED;
3189 wndPtr->flags &= ~WIN_NCACTIVATED;
3191 WIN_ReleasePtr( wndPtr );
3198 wndPtr = WIN_GetPtr(hWnd);
3199 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
3200 hWnd = wndPtr->obj.handle; /* make it a full handle */
3202 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3203 else wparam = (hWnd == GetForegroundWindow());
3205 WIN_ReleasePtr( wndPtr );
3206 SendMessageW( hWnd, WM_NCACTIVATE, wparam, 0 );
3211 /*******************************************************************
3212 * FlashWindowEx (USER32.@)
3214 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3216 FIXME("%p\n", pfwi);
3220 /*******************************************************************
3221 * GetWindowContextHelpId (USER32.@)
3223 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3226 WND *wnd = WIN_GetPtr( hwnd );
3227 if (!wnd || wnd == WND_DESKTOP) return 0;
3228 if (wnd == WND_OTHER_PROCESS)
3230 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3233 retval = wnd->helpContext;
3234 WIN_ReleasePtr( wnd );
3239 /*******************************************************************
3240 * SetWindowContextHelpId (USER32.@)
3242 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3244 WND *wnd = WIN_GetPtr( hwnd );
3245 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3246 if (wnd == WND_OTHER_PROCESS)
3248 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3251 wnd->helpContext = id;
3252 WIN_ReleasePtr( wnd );
3257 /*******************************************************************
3258 * DragDetect (USER32.@)
3260 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3264 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3265 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3267 rect.left = pt.x - wDragWidth;
3268 rect.right = pt.x + wDragWidth;
3270 rect.top = pt.y - wDragHeight;
3271 rect.bottom = pt.y + wDragHeight;
3277 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3279 if( msg.message == WM_LBUTTONUP )
3284 if( msg.message == WM_MOUSEMOVE )
3287 tmp.x = (short)LOWORD(msg.lParam);
3288 tmp.y = (short)HIWORD(msg.lParam);
3289 if( !PtInRect( &rect, tmp ))
3301 /******************************************************************************
3302 * GetWindowModuleFileNameA (USER32.@)
3304 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR module, UINT size )
3309 TRACE( "%p, %p, %u\n", hwnd, module, size );
3311 win = WIN_GetPtr( hwnd );
3312 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3314 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3317 hinst = win->hInstance;
3318 WIN_ReleasePtr( win );
3320 return GetModuleFileNameA( hinst, module, size );
3323 /******************************************************************************
3324 * GetWindowModuleFileNameW (USER32.@)
3326 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR module, UINT size )
3331 TRACE( "%p, %p, %u\n", hwnd, module, size );
3333 win = WIN_GetPtr( hwnd );
3334 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP)
3336 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
3339 hinst = win->hInstance;
3340 WIN_ReleasePtr( win );
3342 return GetModuleFileNameW( hinst, module, size );
3345 /******************************************************************************
3346 * GetWindowInfo (USER32.@)
3348 * Note: tests show that Windows doesn't check cbSize of the structure.
3350 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3352 if (!pwi) return FALSE;
3353 if (!WIN_GetRectangles( hwnd, COORDS_SCREEN, &pwi->rcWindow, &pwi->rcClient )) return FALSE;
3355 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3356 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3357 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3359 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3360 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3362 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3363 pwi->wCreatorVersion = 0x0400;
3368 /******************************************************************************
3369 * SwitchDesktop (USER32.@)
3371 * NOTES: Sets the current input or interactive desktop.
3373 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3375 FIXME("(hwnd %p) stub!\n", hDesktop);
3379 /*****************************************************************************
3380 * SetLayeredWindowAttributes (USER32.@)
3382 BOOL WINAPI SetLayeredWindowAttributes( HWND hwnd, COLORREF key, BYTE alpha, DWORD flags )
3386 TRACE("(%p,%08x,%d,%x): stub!\n", hwnd, key, alpha, flags);
3388 SERVER_START_REQ( set_window_layered_info )
3390 req->handle = wine_server_user_handle( hwnd );
3391 req->color_key = key;
3394 ret = !wine_server_call_err( req );
3398 if (ret) USER_Driver->pSetLayeredWindowAttributes( hwnd, key, alpha, flags );
3404 /*****************************************************************************
3405 * GetLayeredWindowAttributes (USER32.@)
3407 BOOL WINAPI GetLayeredWindowAttributes( HWND hwnd, COLORREF *key, BYTE *alpha, DWORD *flags )
3411 SERVER_START_REQ( get_window_layered_info )
3413 req->handle = wine_server_user_handle( hwnd );
3414 if ((ret = !wine_server_call_err( req )))
3416 if (key) *key = reply->color_key;
3417 if (alpha) *alpha = reply->alpha;
3418 if (flags) *flags = reply->flags;
3427 /*****************************************************************************
3428 * UpdateLayeredWindowIndirect (USER32.@)
3430 BOOL WINAPI UpdateLayeredWindowIndirect( HWND hwnd, const UPDATELAYEREDWINDOWINFO *info )
3434 if (!(info->dwFlags & ULW_EX_NORESIZE) && (info->pptDst || info->psize))
3436 int x = 0, y = 0, cx = 0, cy = 0;
3437 DWORD flags = SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_NOREDRAW | SWP_NOSENDCHANGING;
3441 x = info->pptDst->x;
3442 y = info->pptDst->y;
3443 flags &= ~SWP_NOMOVE;
3447 cx = info->psize->cx;
3448 cy = info->psize->cy;
3449 flags &= ~SWP_NOSIZE;
3451 TRACE( "moving window %p pos %d,%d %dx%d\n", hwnd, x, y, cx, cy );
3452 SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
3457 HDC hdc = GetWindowDC( hwnd );
3464 GetWindowRect( hwnd, &rect );
3465 OffsetRect( &rect, -rect.left, -rect.top);
3468 x = info->pptSrc->x;
3469 y = info->pptSrc->y;
3472 if (!info->prcDirty || (info->prcDirty && IntersectRect(&rect, &rect, info->prcDirty)))
3474 TRACE( "copying window %p pos %d,%d\n", hwnd, x, y );
3475 BitBlt( hdc, rect.left, rect.top, rect.right, rect.bottom,
3476 info->hdcSrc, rect.left + x, rect.top + y, SRCCOPY );
3478 ReleaseDC( hwnd, hdc );
3482 if (info->pblend && !(info->dwFlags & ULW_OPAQUE)) alpha = info->pblend->SourceConstantAlpha;
3483 TRACE( "setting window %p alpha %u\n", hwnd, alpha );
3484 USER_Driver->pSetLayeredWindowAttributes( hwnd, info->crKey, alpha,
3485 info->dwFlags & (LWA_ALPHA | LWA_COLORKEY) );
3490 /*****************************************************************************
3491 * UpdateLayeredWindow (USER32.@)
3493 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3494 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3497 UPDATELAYEREDWINDOWINFO info;
3499 info.cbSize = sizeof(info);
3500 info.hdcDst = hdcDst;
3501 info.pptDst = pptDst;
3503 info.hdcSrc = hdcSrc;
3504 info.pptSrc = pptSrc;
3506 info.pblend = pblend;
3507 info.dwFlags = dwFlags;
3508 info.prcDirty = NULL;
3509 return UpdateLayeredWindowIndirect( hwnd, &info );
3513 /******************************************************************************
3514 * GetProcessDefaultLayout [USER32.@]
3516 * Gets the default layout for parentless windows.
3518 BOOL WINAPI GetProcessDefaultLayout( DWORD *layout )
3522 SetLastError( ERROR_NOACCESS );
3525 *layout = process_layout;
3530 /******************************************************************************
3531 * SetProcessDefaultLayout [USER32.@]
3533 * Sets the default layout for parentless windows.
3535 BOOL WINAPI SetProcessDefaultLayout( DWORD layout )
3537 process_layout = layout;
3542 /* 64bit versions */
3544 #ifdef GetWindowLongPtrW
3545 #undef GetWindowLongPtrW
3548 #ifdef GetWindowLongPtrA
3549 #undef GetWindowLongPtrA
3552 #ifdef SetWindowLongPtrW
3553 #undef SetWindowLongPtrW
3556 #ifdef SetWindowLongPtrA
3557 #undef SetWindowLongPtrA
3560 /*****************************************************************************
3561 * GetWindowLongPtrW (USER32.@)
3563 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3565 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3568 /*****************************************************************************
3569 * GetWindowLongPtrA (USER32.@)
3571 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3573 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3576 /*****************************************************************************
3577 * SetWindowLongPtrW (USER32.@)
3579 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3581 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3584 /*****************************************************************************
3585 * SetWindowLongPtrA (USER32.@)
3587 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3589 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );