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/winbase16.h"
31 #include "wine/winuser16.h"
33 #include "wine/server.h"
34 #include "wine/unicode.h"
36 #include "user_private.h"
39 #include "wine/debug.h"
41 WINE_DEFAULT_DEBUG_CHANNEL(win);
43 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
44 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
46 /**********************************************************************/
48 /* helper for Get/SetWindowLong */
49 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
51 if (size == sizeof(WORD))
54 memcpy( &ret, ptr, sizeof(ret) );
57 else if (size == sizeof(DWORD))
60 memcpy( &ret, ptr, sizeof(ret) );
66 memcpy( &ret, ptr, sizeof(ret) );
71 /* helper for Get/SetWindowLong */
72 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
74 if (size == sizeof(WORD))
77 memcpy( ptr, &newval, sizeof(newval) );
79 else if (size == sizeof(DWORD))
82 memcpy( ptr, &newval, sizeof(newval) );
86 memcpy( ptr, &val, sizeof(val) );
91 static void *user_handles[NB_USER_HANDLES];
93 /***********************************************************************
94 * create_window_handle
96 * Create a window handle with the server.
98 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
99 HINSTANCE instance, BOOL unicode )
103 HWND full_parent = 0, full_owner = 0;
104 struct tagCLASS *class = NULL;
105 user_handle_t handle = 0;
108 /* if 16-bit instance, map to module handle */
109 if (instance && !HIWORD(instance))
110 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
112 SERVER_START_REQ( create_window )
114 req->parent = parent;
117 req->instance = instance;
118 if (!wine_server_call_err( req ))
120 handle = reply->handle;
121 full_parent = reply->parent;
122 full_owner = reply->owner;
123 extra_bytes = reply->extra;
124 class = reply->class_ptr;
131 WARN( "error %d creating window\n", GetLastError() );
135 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
137 SERVER_START_REQ( destroy_window )
139 req->handle = handle;
140 wine_server_call( req );
143 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
147 if (!parent) /* if parent is 0 we don't have a desktop window yet */
149 struct user_thread_info *thread_info = get_user_thread_info();
151 assert( !thread_info->desktop );
152 thread_info->desktop = full_parent ? full_parent : handle;
153 if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
154 ERR( "failed to create desktop window\n" );
159 index = USER_HANDLE_TO_INDEX(handle);
160 assert( index < NB_USER_HANDLES );
161 user_handles[index] = win;
162 win->hwndSelf = handle;
163 win->parent = full_parent;
164 win->owner = full_owner;
165 win->dwMagic = WND_MAGIC;
167 win->cbWndExtra = extra_bytes;
168 memset( win->wExtra, 0, extra_bytes );
169 CLASS_AddWindow( class, win, unicode );
174 /***********************************************************************
177 * Free a window handle.
179 static WND *free_window_handle( HWND hwnd )
182 WORD index = USER_HANDLE_TO_INDEX(hwnd);
184 if (index >= NB_USER_HANDLES) return NULL;
186 if ((ptr = user_handles[index]))
188 SERVER_START_REQ( destroy_window )
191 if (!wine_server_call_err( req ))
193 user_handles[index] = NULL;
202 HeapFree( GetProcessHeap(), 0, ptr );
207 /*******************************************************************
208 * list_window_children
210 * Build an array of the children of a given window. The array must be
211 * freed with HeapFree. Returns NULL when no windows are found.
213 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
222 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
224 SERVER_START_REQ( get_window_children )
229 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
230 if (!wine_server_call( req )) count = reply->count;
233 if (count && count < size)
238 HeapFree( GetProcessHeap(), 0, list );
240 size = count + 1; /* restart with a large enough buffer */
246 /*******************************************************************
247 * list_window_parents
249 * Build an array of all parents of a given window, starting with
250 * the immediate parent. The array must be freed with HeapFree.
252 static HWND *list_window_parents( HWND hwnd )
256 int pos = 0, size = 16, count = 0;
258 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
263 if (!(win = WIN_GetPtr( current ))) goto empty;
264 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
265 if (win == WND_DESKTOP)
267 if (!pos) goto empty;
271 list[pos] = current = win->parent;
272 WIN_ReleasePtr( win );
273 if (++pos == size - 1)
275 /* need to grow the list */
276 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
277 if (!new_list) goto empty;
283 /* at least one parent belongs to another process, have to query the server */
288 SERVER_START_REQ( get_window_parents )
291 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
292 if (!wine_server_call( req )) count = reply->count;
295 if (!count) goto empty;
301 HeapFree( GetProcessHeap(), 0, list );
303 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
307 HeapFree( GetProcessHeap(), 0, list );
312 /*******************************************************************
315 static void send_parent_notify( HWND hwnd, UINT msg )
317 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
318 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
320 HWND parent = GetParent(hwnd);
321 if (parent && parent != GetDesktopWindow())
322 SendMessageW( parent, WM_PARENTNOTIFY,
323 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
328 /*******************************************************************
329 * get_server_window_text
331 * Retrieve the window text from the server.
333 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
337 SERVER_START_REQ( get_window_text )
340 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
341 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
344 text[len / sizeof(WCHAR)] = 0;
348 /***********************************************************************
351 * Return a pointer to the WND structure if local to the process,
352 * or WND_OTHER_PROCESS if handle may be valid in other process.
353 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
355 WND *WIN_GetPtr( HWND hwnd )
358 WORD index = USER_HANDLE_TO_INDEX(hwnd);
360 if (index >= NB_USER_HANDLES) return NULL;
363 if ((ptr = user_handles[index]))
365 if (ptr->dwMagic == WND_MAGIC &&
366 (hwnd == ptr->hwndSelf || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff))
370 else if (index == USER_HANDLE_TO_INDEX(GetDesktopWindow()))
372 if (hwnd == GetDesktopWindow() || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff) ptr = WND_DESKTOP;
375 else ptr = WND_OTHER_PROCESS;
381 /***********************************************************************
382 * WIN_IsCurrentProcess
384 * Check whether a given window belongs to the current process (and return the full handle).
386 HWND WIN_IsCurrentProcess( HWND hwnd )
391 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
393 WIN_ReleasePtr( ptr );
398 /***********************************************************************
399 * WIN_IsCurrentThread
401 * Check whether a given window belongs to the current thread (and return the full handle).
403 HWND WIN_IsCurrentThread( HWND hwnd )
408 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
409 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
410 WIN_ReleasePtr( ptr );
415 /***********************************************************************
418 * Convert a 16-bit window handle to a full 32-bit handle.
420 HWND WIN_Handle32( HWND16 hwnd16 )
423 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
425 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
426 /* do sign extension for -2 and -3 */
427 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
429 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
431 if (ptr == WND_DESKTOP) return GetDesktopWindow();
433 if (ptr != WND_OTHER_PROCESS)
435 hwnd = ptr->hwndSelf;
436 WIN_ReleasePtr( ptr );
438 else /* may belong to another process */
440 SERVER_START_REQ( get_window_info )
443 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
451 /***********************************************************************
454 * Change the owner of a window.
456 HWND WIN_SetOwner( HWND hwnd, HWND owner )
458 WND *win = WIN_GetPtr( hwnd );
461 if (!win || win == WND_DESKTOP) return 0;
462 if (win == WND_OTHER_PROCESS)
464 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
467 SERVER_START_REQ( set_window_owner )
471 if (!wine_server_call( req ))
473 win->owner = reply->full_owner;
474 ret = reply->prev_owner;
478 WIN_ReleasePtr( win );
483 /***********************************************************************
486 * Change the style of a window.
488 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
491 ULONG new_style, old_style = 0;
492 WND *win = WIN_GetPtr( hwnd );
494 if (!win || win == WND_DESKTOP) return 0;
495 if (win == WND_OTHER_PROCESS)
498 ERR( "cannot set style %x/%x on other process window %p\n",
499 set_bits, clear_bits, hwnd );
502 new_style = (win->dwStyle | set_bits) & ~clear_bits;
503 if (new_style == win->dwStyle)
505 WIN_ReleasePtr( win );
508 SERVER_START_REQ( set_window_info )
511 req->flags = SET_WIN_STYLE;
512 req->style = new_style;
513 req->extra_offset = -1;
514 if ((ok = !wine_server_call( req )))
516 old_style = reply->old_style;
517 win->dwStyle = new_style;
521 WIN_ReleasePtr( win );
522 if (ok) USER_Driver->pSetWindowStyle( hwnd, old_style );
527 /***********************************************************************
530 * Get the window and client rectangles.
532 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
534 WND *win = WIN_GetPtr( hwnd );
537 if (!win) return FALSE;
538 if (win == WND_DESKTOP)
541 rect.left = rect.top = 0;
542 rect.right = GetSystemMetrics(SM_CXSCREEN);
543 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
544 if (rectWindow) *rectWindow = rect;
545 if (rectClient) *rectClient = rect;
547 else if (win == WND_OTHER_PROCESS)
549 SERVER_START_REQ( get_window_rectangles )
552 if ((ret = !wine_server_call( req )))
556 rectWindow->left = reply->window.left;
557 rectWindow->top = reply->window.top;
558 rectWindow->right = reply->window.right;
559 rectWindow->bottom = reply->window.bottom;
563 rectClient->left = reply->client.left;
564 rectClient->top = reply->client.top;
565 rectClient->right = reply->client.right;
566 rectClient->bottom = reply->client.bottom;
574 if (rectWindow) *rectWindow = win->rectWindow;
575 if (rectClient) *rectClient = win->rectClient;
576 WIN_ReleasePtr( win );
582 /***********************************************************************
585 * Destroy storage associated to a window. "Internals" p.358
587 LRESULT WIN_DestroyWindow( HWND hwnd )
591 HMENU menu = 0, sys_menu;
593 TRACE("%p\n", hwnd );
595 /* free child windows */
596 if ((list = WIN_ListChildren( hwnd )))
599 for (i = 0; list[i]; i++)
601 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
602 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
604 HeapFree( GetProcessHeap(), 0, list );
607 /* Unlink now so we won't bother with the children later on */
608 SERVER_START_REQ( set_parent )
612 wine_server_call( req );
617 * Send the WM_NCDESTROY to the window being destroyed.
619 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
621 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
623 WINPOS_CheckInternalPos( hwnd );
625 /* free resources associated with the window */
627 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
628 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
629 menu = (HMENU)wndPtr->wIDmenu;
630 sys_menu = wndPtr->hSysMenu;
631 WIN_ReleasePtr( wndPtr );
633 if (menu) DestroyMenu( menu );
634 if (sys_menu) DestroyMenu( sys_menu );
636 USER_Driver->pDestroyWindow( hwnd );
638 free_window_handle( hwnd );
642 /***********************************************************************
643 * WIN_DestroyThreadWindows
645 * Destroy all children of 'wnd' owned by the current thread.
647 void WIN_DestroyThreadWindows( HWND hwnd )
652 if (!(list = WIN_ListChildren( hwnd ))) return;
653 for (i = 0; list[i]; i++)
655 if (WIN_IsCurrentThread( list[i] ))
656 DestroyWindow( list[i] );
658 WIN_DestroyThreadWindows( list[i] );
660 HeapFree( GetProcessHeap(), 0, list );
664 /***********************************************************************
667 * Fix the coordinates - Helper for WIN_CreateWindowEx.
668 * returns default show mode in sw.
670 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
672 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == CW_USEDEFAULT16)
675 if (cs->dwExStyle & WS_EX_MDICHILD)
679 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
680 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
682 TRACE("MDI child id %04x\n", id);
685 if (cs->style & (WS_CHILD | WS_POPUP))
687 if (cs->dwExStyle & WS_EX_MDICHILD)
689 if (IS_DEFAULT(cs->x))
694 if (IS_DEFAULT(cs->cx) || !cs->cx) cs->cx = pos[1].x;
695 if (IS_DEFAULT(cs->cy) || !cs->cy) cs->cy = pos[1].y;
699 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
700 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
703 else /* overlapped window */
706 MONITORINFO mon_info;
709 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
711 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
712 mon_info.cbSize = sizeof(mon_info);
713 GetMonitorInfoW( monitor, &mon_info );
714 GetStartupInfoW( &info );
716 if (IS_DEFAULT(cs->x))
718 if (!IS_DEFAULT(cs->y)) *sw = cs->y;
719 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : mon_info.rcWork.left;
720 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : mon_info.rcWork.top;
723 if (IS_DEFAULT(cs->cx))
725 if (info.dwFlags & STARTF_USESIZE)
727 cs->cx = info.dwXSize;
728 cs->cy = info.dwYSize;
732 cs->cx = (mon_info.rcWork.right - mon_info.rcWork.left) * 3 / 4 - cs->x;
733 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
736 /* neither x nor cx are default. Check the y values .
737 * In the trace we see Outlook and Outlook Express using
738 * cy set to CW_USEDEFAULT when opening the address book.
740 else if (IS_DEFAULT(cs->cy))
742 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
743 cs->cy = (mon_info.rcWork.bottom - mon_info.rcWork.top) * 3 / 4 - cs->y;
749 /***********************************************************************
752 static void dump_window_styles( DWORD style, DWORD exstyle )
755 if(style & WS_POPUP) TRACE(" WS_POPUP");
756 if(style & WS_CHILD) TRACE(" WS_CHILD");
757 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
758 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
759 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
760 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
761 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
762 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
763 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
766 if(style & WS_BORDER) TRACE(" WS_BORDER");
767 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
769 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
770 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
771 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
772 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
773 if (style & WS_CHILD)
775 if(style & WS_GROUP) TRACE(" WS_GROUP");
776 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
780 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
781 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
784 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
785 #define DUMPED_STYLES \
805 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
810 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
811 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
812 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
813 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
814 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
815 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
816 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
817 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
818 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
819 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
820 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
821 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
822 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
823 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
824 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
825 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
826 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
827 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
829 #define DUMPED_EX_STYLES \
830 (WS_EX_DLGMODALFRAME | \
832 WS_EX_NOPARENTNOTIFY | \
834 WS_EX_ACCEPTFILES | \
835 WS_EX_TRANSPARENT | \
840 WS_EX_CONTEXTHELP | \
843 WS_EX_LEFTSCROLLBAR | \
844 WS_EX_CONTROLPARENT | \
849 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
851 #undef DUMPED_EX_STYLES
855 /***********************************************************************
858 * Implementation of CreateWindowEx().
860 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom, UINT flags )
864 HWND hwnd, parent, owner, top_child = 0;
865 BOOL unicode = (flags & WIN_ISUNICODE) != 0;
866 MDICREATESTRUCTA mdi_cs;
868 TRACE("%s %s ex=%08x style=%08x %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
869 unicode ? debugstr_w((LPCWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
870 unicode ? debugstr_w((LPCWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
871 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
872 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
873 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
875 /* Fix the styles for MDI children */
876 if (cs->dwExStyle & WS_EX_MDICHILD)
880 wndPtr = WIN_GetPtr(cs->hwndParent);
881 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
883 flags = wndPtr->flags;
884 WIN_ReleasePtr(wndPtr);
887 if (!(flags & WIN_ISMDICLIENT))
889 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
893 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
894 * MDICREATESTRUCT members have the originally passed values.
896 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
897 * have the same layout.
899 mdi_cs.szClass = cs->lpszClass;
900 mdi_cs.szTitle = cs->lpszName;
901 mdi_cs.hOwner = cs->hInstance;
906 mdi_cs.style = cs->style;
907 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
909 cs->lpCreateParams = (LPVOID)&mdi_cs;
911 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
913 if (cs->style & WS_POPUP)
915 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
918 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
922 cs->style &= ~WS_POPUP;
923 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
924 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
927 top_child = GetWindow(cs->hwndParent, GW_CHILD);
931 /* Restore current maximized child */
932 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
934 TRACE("Restoring current maximized child %p\n", top_child);
935 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
936 ShowWindow( top_child, SW_SHOWNORMAL );
937 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
942 /* Find the parent window */
944 parent = cs->hwndParent;
947 if (cs->hwndParent == HWND_MESSAGE)
949 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
950 * message window (style: WS_POPUP|WS_DISABLED)
952 FIXME("Parent is HWND_MESSAGE\n");
953 parent = GetDesktopWindow();
955 else if (cs->hwndParent)
957 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
959 parent = GetDesktopWindow();
960 owner = cs->hwndParent;
965 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
967 WARN("No parent for child window\n" );
968 SetLastError(ERROR_TLW_WITH_WSCHILD);
969 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
971 if (classAtom != LOWORD(DESKTOP_CLASS_ATOM)) /* are we creating the desktop itself? */
972 parent = GetDesktopWindow();
975 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
977 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
978 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
979 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
980 cs->dwExStyle |= WS_EX_WINDOWEDGE;
982 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
984 /* Create the window structure */
986 if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, unicode )))
988 hwnd = wndPtr->hwndSelf;
990 /* Fill the window structure */
992 wndPtr->tid = GetCurrentThreadId();
993 wndPtr->hInstance = cs->hInstance;
995 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
996 wndPtr->dwExStyle = cs->dwExStyle;
998 wndPtr->helpContext = 0;
999 wndPtr->pVScroll = NULL;
1000 wndPtr->pHScroll = NULL;
1001 wndPtr->userdata = 0;
1003 wndPtr->hIconSmall = 0;
1004 wndPtr->hSysMenu = 0;
1005 wndPtr->flags |= (flags & WIN_ISWIN32);
1007 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1010 * Correct the window styles.
1012 * It affects only the style loaded into the WIN structure.
1015 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1017 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1018 if (!(wndPtr->dwStyle & WS_POPUP))
1019 wndPtr->dwStyle |= WS_CAPTION;
1023 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1024 * why does the user get to set it?
1027 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1028 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1029 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1031 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1033 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1034 wndPtr->flags |= WIN_NEED_SIZE;
1036 SERVER_START_REQ( set_window_info )
1039 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1040 req->style = wndPtr->dwStyle;
1041 req->ex_style = wndPtr->dwExStyle;
1042 req->instance = (void *)wndPtr->hInstance;
1043 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1044 req->extra_offset = -1;
1045 wine_server_call( req );
1049 /* Set the window menu */
1051 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1055 if (!MENU_SetMenu(hwnd, cs->hMenu))
1057 WIN_ReleasePtr( wndPtr );
1058 free_window_handle( hwnd );
1064 LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
1067 if (!cs->hInstance || HIWORD(cs->hInstance))
1068 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1070 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1072 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1076 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1077 WIN_ReleasePtr( wndPtr );
1079 if (!USER_Driver->pCreateWindow( hwnd, cs, unicode))
1081 WIN_DestroyWindow( hwnd );
1085 /* Notify the parent window only */
1087 send_parent_notify( hwnd, WM_CREATE );
1088 if (!IsWindow( hwnd )) return 0;
1090 if (cs->style & WS_VISIBLE)
1092 if (cs->style & WS_MAXIMIZE)
1094 else if (cs->style & WS_MINIMIZE)
1095 sw = SW_SHOWMINIMIZED;
1097 ShowWindow( hwnd, sw );
1098 if (cs->dwExStyle & WS_EX_MDICHILD)
1100 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1101 /* ShowWindow won't activate child windows */
1102 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1106 /* Call WH_SHELL hook */
1108 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1109 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1111 TRACE("created window %p\n", hwnd);
1116 /***********************************************************************
1117 * CreateWindow (USER.41)
1119 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1120 DWORD style, INT16 x, INT16 y, INT16 width,
1121 INT16 height, HWND16 parent, HMENU16 menu,
1122 HINSTANCE16 instance, LPVOID data )
1124 return CreateWindowEx16( 0, className, windowName, style,
1125 x, y, width, height, parent, menu, instance, data );
1129 /***********************************************************************
1130 * CreateWindowEx (USER.452)
1132 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1133 LPCSTR windowName, DWORD style, INT16 x,
1134 INT16 y, INT16 width, INT16 height,
1135 HWND16 parent, HMENU16 menu,
1136 HINSTANCE16 instance, LPVOID data )
1142 /* Find the class atom */
1144 if (HIWORD(className))
1146 if (!(classAtom = GlobalFindAtomA( className )))
1148 ERR( "bad class name %s\n", debugstr_a(className) );
1154 classAtom = LOWORD(className);
1155 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1157 ERR( "bad atom %x\n", classAtom);
1163 /* Fix the coordinates */
1165 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1166 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1167 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1168 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1170 /* Create the window */
1172 cs.lpCreateParams = data;
1173 cs.hInstance = HINSTANCE_32(instance);
1174 cs.hMenu = HMENU_32(menu);
1175 cs.hwndParent = WIN_Handle32( parent );
1177 cs.lpszName = windowName;
1178 cs.lpszClass = className;
1179 cs.dwExStyle = exStyle;
1181 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, 0 ));
1185 /***********************************************************************
1186 * CreateWindowExA (USER32.@)
1188 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1189 LPCSTR windowName, DWORD style, INT x,
1190 INT y, INT width, INT height,
1191 HWND parent, HMENU menu,
1192 HINSTANCE instance, LPVOID data )
1198 /* Find the class atom */
1200 if (HIWORD(className))
1202 if (!(classAtom = GlobalFindAtomA( className )))
1204 ERR( "bad class name %s\n", debugstr_a(className) );
1210 classAtom = LOWORD(className);
1211 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1213 ERR( "bad atom %x\n", classAtom);
1219 /* Create the window */
1221 cs.lpCreateParams = data;
1222 cs.hInstance = instance;
1224 cs.hwndParent = parent;
1230 cs.lpszName = windowName;
1231 cs.lpszClass = className;
1232 cs.dwExStyle = exStyle;
1234 return WIN_CreateWindowEx( &cs, classAtom, WIN_ISWIN32 );
1238 /***********************************************************************
1239 * CreateWindowExW (USER32.@)
1241 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1242 LPCWSTR windowName, DWORD style, INT x,
1243 INT y, INT width, INT height,
1244 HWND parent, HMENU menu,
1245 HINSTANCE instance, LPVOID data )
1251 /* Find the class atom */
1253 if (HIWORD(className))
1255 if (!(classAtom = GlobalFindAtomW( className )))
1257 ERR( "bad class name %s\n", debugstr_w(className) );
1263 classAtom = LOWORD(className);
1264 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1266 ERR( "bad atom %x\n", classAtom);
1272 /* Create the window */
1274 cs.lpCreateParams = data;
1275 cs.hInstance = instance;
1277 cs.hwndParent = parent;
1283 cs.lpszName = windowName;
1284 cs.lpszClass = className;
1285 cs.dwExStyle = exStyle;
1287 /* Note: we rely on the fact that CREATESTRUCTA and */
1288 /* CREATESTRUCTW have the same layout. */
1289 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_ISWIN32 | WIN_ISUNICODE );
1293 /***********************************************************************
1294 * WIN_SendDestroyMsg
1296 static void WIN_SendDestroyMsg( HWND hwnd )
1300 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1302 if (hwnd == info.hwndCaret) DestroyCaret();
1303 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1307 * Send the WM_DESTROY to the window.
1309 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1312 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1313 * make sure that the window still exists when we come back.
1320 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1322 for (i = 0; pWndArray[i]; i++)
1324 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1326 HeapFree( GetProcessHeap(), 0, pWndArray );
1329 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1333 /***********************************************************************
1334 * DestroyWindow (USER32.@)
1336 BOOL WINAPI DestroyWindow( HWND hwnd )
1340 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1342 SetLastError( ERROR_ACCESS_DENIED );
1346 TRACE("(%p)\n", hwnd);
1350 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1352 if (MENU_IsMenuActive() == hwnd)
1355 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1359 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1360 send_parent_notify( hwnd, WM_DESTROY );
1362 else if (!GetWindow( hwnd, GW_OWNER ))
1364 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1365 /* FIXME: clean up palette - see "Internals" p.352 */
1368 if (!IsWindow(hwnd)) return TRUE;
1370 /* Hide the window */
1371 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1373 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1375 ShowWindow( hwnd, SW_HIDE );
1377 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1378 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1381 if (!IsWindow(hwnd)) return TRUE;
1383 /* Recursively destroy owned windows */
1390 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1393 for (i = 0; list[i]; i++)
1395 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1396 if (WIN_IsCurrentThread( list[i] ))
1398 DestroyWindow( list[i] );
1402 WIN_SetOwner( list[i], 0 );
1404 HeapFree( GetProcessHeap(), 0, list );
1406 if (!got_one) break;
1410 /* Send destroy messages */
1412 WIN_SendDestroyMsg( hwnd );
1413 if (!IsWindow( hwnd )) return TRUE;
1415 if (GetClipboardOwner() == hwnd)
1416 CLIPBOARD_ReleaseOwner();
1418 /* Destroy the window storage */
1420 WIN_DestroyWindow( hwnd );
1425 /***********************************************************************
1426 * CloseWindow (USER32.@)
1428 BOOL WINAPI CloseWindow( HWND hwnd )
1430 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1431 ShowWindow( hwnd, SW_MINIMIZE );
1436 /***********************************************************************
1437 * OpenIcon (USER32.@)
1439 BOOL WINAPI OpenIcon( HWND hwnd )
1441 if (!IsIconic( hwnd )) return FALSE;
1442 ShowWindow( hwnd, SW_SHOWNORMAL );
1447 /***********************************************************************
1450 * Implementation of FindWindow() and FindWindowEx().
1452 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1457 WCHAR *buffer = NULL;
1459 if (!parent) parent = GetDesktopWindow();
1462 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1463 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1466 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1470 child = WIN_GetFullHandle( child );
1471 while (list[i] && list[i] != child) i++;
1472 if (!list[i]) goto done;
1473 i++; /* start from next window */
1480 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1487 HeapFree( GetProcessHeap(), 0, list );
1488 HeapFree( GetProcessHeap(), 0, buffer );
1494 /***********************************************************************
1495 * FindWindowA (USER32.@)
1497 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1499 HWND ret = FindWindowExA( 0, 0, className, title );
1500 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1505 /***********************************************************************
1506 * FindWindowExA (USER32.@)
1508 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1509 LPCSTR className, LPCSTR title )
1518 /* If the atom doesn't exist, then no class */
1519 /* with this name exists either. */
1520 if (!(atom = GlobalFindAtomA( className )))
1522 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1526 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1528 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1529 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1530 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1531 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1532 HeapFree( GetProcessHeap(), 0, buffer );
1537 /***********************************************************************
1538 * FindWindowExW (USER32.@)
1540 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1541 LPCWSTR className, LPCWSTR title )
1547 /* If the atom doesn't exist, then no class */
1548 /* with this name exists either. */
1549 if (!(atom = GlobalFindAtomW( className )))
1551 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1555 return WIN_FindWindow( parent, child, atom, title );
1559 /***********************************************************************
1560 * FindWindowW (USER32.@)
1562 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1564 return FindWindowExW( 0, 0, className, title );
1568 /**********************************************************************
1569 * GetDesktopWindow (USER32.@)
1571 HWND WINAPI GetDesktopWindow(void)
1573 struct user_thread_info *thread_info = get_user_thread_info();
1575 if (thread_info->desktop) return thread_info->desktop;
1577 SERVER_START_REQ( get_desktop_window )
1580 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1584 if (!thread_info->desktop)
1586 static const WCHAR command_line[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',' ','/','d','e','s','k','t','o','p',0};
1588 PROCESS_INFORMATION pi;
1589 WCHAR cmdline[MAX_PATH + sizeof(command_line)/sizeof(WCHAR)];
1591 memset( &si, 0, sizeof(si) );
1593 GetSystemDirectoryW( cmdline, MAX_PATH );
1594 lstrcatW( cmdline, command_line );
1595 if (CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1596 NULL, NULL, &si, &pi ))
1598 TRACE( "started explorer pid %04x tid %04x\n", pi.dwProcessId, pi.dwThreadId );
1599 WaitForInputIdle( pi.hProcess, 10000 );
1600 CloseHandle( pi.hThread );
1601 CloseHandle( pi.hProcess );
1604 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1606 SERVER_START_REQ( get_desktop_window )
1609 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1614 if (!thread_info->desktop || !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
1615 ERR( "failed to create desktop window\n" );
1617 return thread_info->desktop;
1621 /*******************************************************************
1622 * EnableWindow (USER32.@)
1624 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1629 if (is_broadcast(hwnd))
1631 SetLastError( ERROR_INVALID_PARAMETER );
1635 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1636 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1640 TRACE("( %p, %d )\n", hwnd, enable);
1642 retvalue = !IsWindowEnabled( hwnd );
1644 if (enable && retvalue)
1646 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1647 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1649 else if (!enable && !retvalue)
1653 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1655 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1657 if (hwnd == GetFocus())
1658 SetFocus( 0 ); /* A disabled window can't have the focus */
1660 capture_wnd = GetCapture();
1661 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1662 ReleaseCapture(); /* A disabled window can't capture the mouse */
1664 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1670 /***********************************************************************
1671 * IsWindowEnabled (USER32.@)
1673 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1675 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1679 /***********************************************************************
1680 * IsWindowUnicode (USER32.@)
1682 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1685 BOOL retvalue = FALSE;
1687 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1689 if (wndPtr == WND_DESKTOP) return TRUE;
1691 if (wndPtr != WND_OTHER_PROCESS)
1693 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1694 WIN_ReleasePtr( wndPtr );
1698 SERVER_START_REQ( get_window_info )
1701 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1709 /**********************************************************************
1712 * Helper function for GetWindowLong().
1714 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1716 LONG_PTR retvalue = 0;
1719 if (offset == GWLP_HWNDPARENT)
1721 HWND parent = GetAncestor( hwnd, GA_PARENT );
1722 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1723 return (ULONG_PTR)parent;
1726 if (!(wndPtr = WIN_GetPtr( hwnd )))
1728 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1732 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1734 if (offset == GWLP_WNDPROC)
1736 SetLastError( ERROR_ACCESS_DENIED );
1739 SERVER_START_REQ( set_window_info )
1742 req->flags = 0; /* don't set anything, just retrieve */
1743 req->extra_offset = (offset >= 0) ? offset : -1;
1744 req->extra_size = (offset >= 0) ? size : 0;
1745 if (!wine_server_call_err( req ))
1749 case GWL_STYLE: retvalue = reply->old_style; break;
1750 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1751 case GWLP_ID: retvalue = reply->old_id; break;
1752 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1753 case GWLP_USERDATA: retvalue = reply->old_user_data; break;
1755 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
1756 else SetLastError( ERROR_INVALID_INDEX );
1765 /* now we have a valid wndPtr */
1769 if (offset > (int)(wndPtr->cbWndExtra - size))
1771 WARN("Invalid offset %d\n", offset );
1772 WIN_ReleasePtr( wndPtr );
1773 SetLastError( ERROR_INVALID_INDEX );
1776 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
1778 /* Special case for dialog window procedure */
1779 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1780 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
1781 WIN_ReleasePtr( wndPtr );
1787 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
1788 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1789 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1790 case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break;
1791 case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode ); break;
1792 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1794 WARN("Unknown offset %d\n", offset );
1795 SetLastError( ERROR_INVALID_INDEX );
1798 WIN_ReleasePtr(wndPtr);
1803 /**********************************************************************
1806 * Helper function for SetWindowLong().
1808 * 0 is the failure code. However, in the case of failure SetLastError
1809 * must be set to distinguish between a 0 return value and a failure.
1811 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
1815 LONG_PTR retval = 0;
1818 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
1820 if (is_broadcast(hwnd))
1822 SetLastError( ERROR_INVALID_PARAMETER );
1826 if (!(wndPtr = WIN_GetPtr( hwnd )))
1828 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1831 if (wndPtr == WND_DESKTOP)
1833 /* can't change anything on the desktop window */
1834 SetLastError( ERROR_ACCESS_DENIED );
1837 if (wndPtr == WND_OTHER_PROCESS)
1839 if (offset == GWLP_WNDPROC)
1841 SetLastError( ERROR_ACCESS_DENIED );
1844 if (offset > 32767 || offset < -32767)
1846 SetLastError( ERROR_INVALID_INDEX );
1849 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
1852 /* first some special cases */
1858 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
1859 style.styleNew = newval;
1860 WIN_ReleasePtr( wndPtr );
1861 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
1862 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1863 newval = style.styleNew;
1865 case GWLP_HWNDPARENT:
1866 if (wndPtr->parent == GetDesktopWindow())
1868 WIN_ReleasePtr( wndPtr );
1869 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1873 WIN_ReleasePtr( wndPtr );
1874 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1879 UINT old_flags = wndPtr->flags;
1880 retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
1881 if (unicode) proc = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1882 else proc = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1883 if (proc) wndPtr->winproc = proc;
1884 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
1885 else wndPtr->flags &= ~WIN_ISUNICODE;
1886 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
1888 WIN_ReleasePtr( wndPtr );
1891 /* update is_unicode flag on the server side */
1895 case GWLP_HINSTANCE:
1899 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
1900 (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1902 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
1903 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
1904 if (unicode) *ptr = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1905 else *ptr = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1906 WIN_ReleasePtr( wndPtr );
1911 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
1913 WARN("Invalid offset %d\n", offset );
1914 WIN_ReleasePtr( wndPtr );
1915 SetLastError( ERROR_INVALID_INDEX );
1918 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
1920 /* already set to the same value */
1921 WIN_ReleasePtr( wndPtr );
1927 SERVER_START_REQ( set_window_info )
1930 req->extra_offset = -1;
1934 req->flags = SET_WIN_STYLE;
1935 req->style = newval;
1938 req->flags = SET_WIN_EXSTYLE;
1939 req->ex_style = newval;
1942 req->flags = SET_WIN_ID;
1945 case GWLP_HINSTANCE:
1946 req->flags = SET_WIN_INSTANCE;
1947 req->instance = (void *)newval;
1950 req->flags = SET_WIN_UNICODE;
1951 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1954 req->flags = SET_WIN_USERDATA;
1955 req->user_data = newval;
1958 req->flags = SET_WIN_EXTRA;
1959 req->extra_offset = offset;
1960 req->extra_size = size;
1961 set_win_data( &req->extra_value, newval, size );
1963 if ((ok = !wine_server_call_err( req )))
1968 wndPtr->dwStyle = newval;
1969 retval = reply->old_style;
1972 wndPtr->dwExStyle = newval;
1973 retval = reply->old_ex_style;
1976 wndPtr->wIDmenu = newval;
1977 retval = reply->old_id;
1979 case GWLP_HINSTANCE:
1980 wndPtr->hInstance = (HINSTANCE)newval;
1981 retval = (ULONG_PTR)reply->old_instance;
1986 wndPtr->userdata = newval;
1987 retval = reply->old_user_data;
1990 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
1991 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
1997 WIN_ReleasePtr( wndPtr );
2001 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2003 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2004 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2010 /**********************************************************************
2011 * GetWindowLong (USER.135)
2013 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2017 BOOL is_winproc = (offset == GWLP_WNDPROC);
2021 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2023 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2026 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2028 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2031 * Some programs try to access last element from 16 bit
2032 * code using illegal offset value. Hopefully this is
2033 * what those programs really expect.
2035 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2037 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2038 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2043 WARN("Invalid offset %d\n", offset );
2044 WIN_ReleasePtr( wndPtr );
2045 SetLastError( ERROR_INVALID_INDEX );
2049 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2050 WIN_ReleasePtr( wndPtr );
2053 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2054 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2059 /**********************************************************************
2060 * GetWindowWord (USER32.@)
2062 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2067 case GWLP_HINSTANCE:
2068 case GWLP_HWNDPARENT:
2073 WARN("Invalid offset %d\n", offset );
2074 SetLastError( ERROR_INVALID_INDEX );
2079 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2083 /**********************************************************************
2084 * GetWindowLongA (USER32.@)
2086 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2088 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2092 /**********************************************************************
2093 * GetWindowLongW (USER32.@)
2095 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2097 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2101 /**********************************************************************
2102 * SetWindowLong (USER.136)
2104 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2107 BOOL is_winproc = (offset == GWLP_WNDPROC);
2109 if (offset == DWLP_DLGPROC)
2111 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2113 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2116 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2118 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2119 (wndPtr->flags & WIN_ISDIALOG));
2120 WIN_ReleasePtr( wndPtr );
2126 WNDPROC new_proc = WINPROC_AllocProc16( (WNDPROC16)newval );
2127 WNDPROC old_proc = (WNDPROC)SetWindowLongPtrA( WIN_Handle32(hwnd), offset, (LONG_PTR)new_proc );
2128 return (LONG)WINPROC_GetProc16( (WNDPROC)old_proc, FALSE );
2130 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2134 /**********************************************************************
2135 * SetWindowWord (USER32.@)
2137 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2142 case GWLP_HINSTANCE:
2143 case GWLP_HWNDPARENT:
2148 WARN("Invalid offset %d\n", offset );
2149 SetLastError( ERROR_INVALID_INDEX );
2154 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2158 /**********************************************************************
2159 * SetWindowLongA (USER32.@)
2161 * See SetWindowLongW.
2163 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2165 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2169 /**********************************************************************
2170 * SetWindowLongW (USER32.@) Set window attribute
2172 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2173 * value in a window's extra memory.
2175 * The _hwnd_ parameter specifies the window. is the handle to a
2176 * window that has extra memory. The _newval_ parameter contains the
2177 * new attribute or extra memory value. If positive, the _offset_
2178 * parameter is the byte-addressed location in the window's extra
2179 * memory to set. If negative, _offset_ specifies the window
2180 * attribute to set, and should be one of the following values:
2182 * GWL_EXSTYLE The window's extended window style
2184 * GWL_STYLE The window's window style.
2186 * GWLP_WNDPROC Pointer to the window's window procedure.
2188 * GWLP_HINSTANCE The window's pplication instance handle.
2190 * GWLP_ID The window's identifier.
2192 * GWLP_USERDATA The window's user-specified data.
2194 * If the window is a dialog box, the _offset_ parameter can be one of
2195 * the following values:
2197 * DWLP_DLGPROC The address of the window's dialog box procedure.
2199 * DWLP_MSGRESULT The return value of a message
2200 * that the dialog box procedure processed.
2202 * DWLP_USER Application specific information.
2206 * If successful, returns the previous value located at _offset_. Otherwise,
2211 * Extra memory for a window class is specified by a nonzero cbWndExtra
2212 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2213 * time of class creation.
2215 * Using GWL_WNDPROC to set a new window procedure effectively creates
2216 * a window subclass. Use CallWindowProc() in the new windows procedure
2217 * to pass messages to the superclass's window procedure.
2219 * The user data is reserved for use by the application which created
2222 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2223 * instead, call the EnableWindow() function to change the window's
2226 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2227 * SetParent() instead.
2230 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2231 * it sends WM_STYLECHANGING before changing the settings
2232 * and WM_STYLECHANGED afterwards.
2233 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2235 LONG WINAPI SetWindowLongW(
2236 HWND hwnd, /* [in] window to alter */
2237 INT offset, /* [in] offset, in bytes, of location to alter */
2238 LONG newval /* [in] new value of location */
2240 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2244 /*******************************************************************
2245 * GetWindowTextA (USER32.@)
2247 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2251 if (!lpString) return 0;
2253 if (WIN_IsCurrentProcess( hwnd ))
2254 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2256 /* when window belongs to other process, don't send a message */
2257 if (nMaxCount <= 0) return 0;
2258 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2259 get_server_window_text( hwnd, buffer, nMaxCount );
2260 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2261 lpString[nMaxCount-1] = 0;
2262 HeapFree( GetProcessHeap(), 0, buffer );
2263 return strlen(lpString);
2267 /*******************************************************************
2268 * InternalGetWindowText (USER32.@)
2270 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2274 if (nMaxCount <= 0) return 0;
2275 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2276 if (win == WND_DESKTOP) lpString[0] = 0;
2277 else if (win != WND_OTHER_PROCESS)
2279 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2280 else lpString[0] = 0;
2281 WIN_ReleasePtr( win );
2285 get_server_window_text( hwnd, lpString, nMaxCount );
2287 return strlenW(lpString);
2291 /*******************************************************************
2292 * GetWindowTextW (USER32.@)
2294 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2296 if (!lpString) return 0;
2298 if (WIN_IsCurrentProcess( hwnd ))
2299 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2301 /* when window belongs to other process, don't send a message */
2302 if (nMaxCount <= 0) return 0;
2303 get_server_window_text( hwnd, lpString, nMaxCount );
2304 return strlenW(lpString);
2308 /*******************************************************************
2309 * SetWindowTextA (USER32.@)
2310 * SetWindowText (USER32.@)
2312 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2314 if (is_broadcast(hwnd))
2316 SetLastError( ERROR_INVALID_PARAMETER );
2319 if (!WIN_IsCurrentProcess( hwnd ))
2320 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2321 debugstr_a(lpString), hwnd );
2322 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2326 /*******************************************************************
2327 * SetWindowTextW (USER32.@)
2329 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2331 if (is_broadcast(hwnd))
2333 SetLastError( ERROR_INVALID_PARAMETER );
2336 if (!WIN_IsCurrentProcess( hwnd ))
2337 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2338 debugstr_w(lpString), hwnd );
2339 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2343 /*******************************************************************
2344 * GetWindowTextLengthA (USER32.@)
2346 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2348 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2351 /*******************************************************************
2352 * GetWindowTextLengthW (USER32.@)
2354 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2356 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2360 /*******************************************************************
2361 * IsWindow (USER32.@)
2363 BOOL WINAPI IsWindow( HWND hwnd )
2368 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2369 if (ptr == WND_DESKTOP) return TRUE;
2371 if (ptr != WND_OTHER_PROCESS)
2373 WIN_ReleasePtr( ptr );
2377 /* check other processes */
2378 SERVER_START_REQ( get_window_info )
2381 ret = !wine_server_call_err( req );
2388 /***********************************************************************
2389 * GetWindowThreadProcessId (USER32.@)
2391 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2396 if (!(ptr = WIN_GetPtr( hwnd )))
2398 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2402 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2404 /* got a valid window */
2406 if (process) *process = GetCurrentProcessId();
2407 WIN_ReleasePtr( ptr );
2411 /* check other processes */
2412 SERVER_START_REQ( get_window_info )
2415 if (!wine_server_call_err( req ))
2417 tid = (DWORD)reply->tid;
2418 if (process) *process = (DWORD)reply->pid;
2426 /*****************************************************************
2427 * GetParent (USER32.@)
2429 HWND WINAPI GetParent( HWND hwnd )
2434 if (!(wndPtr = WIN_GetPtr( hwnd )))
2436 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2439 if (wndPtr == WND_DESKTOP) return 0;
2440 if (wndPtr == WND_OTHER_PROCESS)
2442 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2443 if (style & (WS_POPUP | WS_CHILD))
2445 SERVER_START_REQ( get_window_tree )
2448 if (!wine_server_call_err( req ))
2450 if (style & WS_POPUP) retvalue = reply->owner;
2451 else if (style & WS_CHILD) retvalue = reply->parent;
2459 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2460 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2461 WIN_ReleasePtr( wndPtr );
2467 /*****************************************************************
2468 * GetAncestor (USER32.@)
2470 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2473 HWND *list, ret = 0;
2478 if (!(win = WIN_GetPtr( hwnd )))
2480 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2483 if (win == WND_DESKTOP) return 0;
2484 if (win != WND_OTHER_PROCESS)
2487 WIN_ReleasePtr( win );
2489 else /* need to query the server */
2491 SERVER_START_REQ( get_window_tree )
2494 if (!wine_server_call_err( req )) ret = reply->parent;
2501 if (!(list = list_window_parents( hwnd ))) return 0;
2503 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2507 while (list[count]) count++;
2508 ret = list[count - 2]; /* get the one before the desktop */
2510 HeapFree( GetProcessHeap(), 0, list );
2514 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2517 HWND parent = GetParent( ret );
2527 /*****************************************************************
2528 * SetParent (USER32.@)
2530 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2533 HWND old_parent = 0;
2538 if (is_broadcast(hwnd) || is_broadcast(parent))
2540 SetLastError(ERROR_INVALID_PARAMETER);
2544 if (!parent) parent = GetDesktopWindow();
2545 else parent = WIN_GetFullHandle( parent );
2547 if (!IsWindow( parent ))
2549 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2553 /* Some applications try to set a child as a parent */
2554 if (IsChild(hwnd, parent))
2556 SetLastError( ERROR_INVALID_PARAMETER );
2560 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2561 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2563 /* Windows hides the window first, then shows it again
2564 * including the WM_SHOWWINDOW messages and all */
2565 was_visible = ShowWindow( hwnd, SW_HIDE );
2567 wndPtr = WIN_GetPtr( hwnd );
2568 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2570 SERVER_START_REQ( set_parent )
2573 req->parent = parent;
2574 if ((ret = !wine_server_call( req )))
2576 old_parent = reply->old_parent;
2577 wndPtr->parent = parent = reply->full_parent;
2582 WIN_ReleasePtr( wndPtr );
2585 USER_Driver->pSetParent( full_handle, parent, old_parent );
2587 /* SetParent additionally needs to make hwnd the topmost window
2588 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2589 WM_WINDOWPOSCHANGED notification messages.
2591 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2592 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2593 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2594 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2600 /*******************************************************************
2601 * IsChild (USER32.@)
2603 BOOL WINAPI IsChild( HWND parent, HWND child )
2605 HWND *list = list_window_parents( child );
2609 if (!list) return FALSE;
2610 parent = WIN_GetFullHandle( parent );
2611 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2612 ret = list[i] && list[i+1];
2613 HeapFree( GetProcessHeap(), 0, list );
2618 /***********************************************************************
2619 * IsWindowVisible (USER32.@)
2621 BOOL WINAPI IsWindowVisible( HWND hwnd )
2627 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2628 if (!(list = list_window_parents( hwnd ))) return TRUE;
2629 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2631 for (i = 0; list[i+1]; i++)
2632 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2633 retval = !list[i+1];
2635 HeapFree( GetProcessHeap(), 0, list );
2640 /***********************************************************************
2641 * WIN_IsWindowDrawable
2643 * hwnd is drawable when it is visible, all parents are not
2644 * minimized, and it is itself not minimized unless we are
2645 * trying to draw its default class icon.
2647 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2652 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2654 if (!(style & WS_VISIBLE)) return FALSE;
2655 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2657 if (!(list = list_window_parents( hwnd ))) return TRUE;
2658 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2660 for (i = 0; list[i+1]; i++)
2661 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2663 retval = !list[i+1];
2665 HeapFree( GetProcessHeap(), 0, list );
2670 /*******************************************************************
2671 * GetTopWindow (USER32.@)
2673 HWND WINAPI GetTopWindow( HWND hwnd )
2675 if (!hwnd) hwnd = GetDesktopWindow();
2676 return GetWindow( hwnd, GW_CHILD );
2680 /*******************************************************************
2681 * GetWindow (USER32.@)
2683 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2687 if (rel == GW_OWNER) /* this one may be available locally */
2689 WND *wndPtr = WIN_GetPtr( hwnd );
2692 SetLastError( ERROR_INVALID_HANDLE );
2695 if (wndPtr == WND_DESKTOP) return 0;
2696 if (wndPtr != WND_OTHER_PROCESS)
2698 retval = wndPtr->owner;
2699 WIN_ReleasePtr( wndPtr );
2702 /* else fall through to server call */
2705 SERVER_START_REQ( get_window_tree )
2708 if (!wine_server_call_err( req ))
2713 retval = reply->first_sibling;
2716 retval = reply->last_sibling;
2719 retval = reply->next_sibling;
2722 retval = reply->prev_sibling;
2725 retval = reply->owner;
2728 retval = reply->first_child;
2738 /*******************************************************************
2739 * ShowOwnedPopups (USER32.@)
2741 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2745 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2747 if (!win_array) return TRUE;
2749 while (win_array[count]) count++;
2750 while (--count >= 0)
2752 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2753 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2754 if (pWnd == WND_OTHER_PROCESS) continue;
2757 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2759 WIN_ReleasePtr( pWnd );
2760 /* In Windows, ShowOwnedPopups(TRUE) generates
2761 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2762 * regardless of the state of the owner
2764 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2770 if (pWnd->dwStyle & WS_VISIBLE)
2772 WIN_ReleasePtr( pWnd );
2773 /* In Windows, ShowOwnedPopups(FALSE) generates
2774 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2775 * regardless of the state of the owner
2777 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2781 WIN_ReleasePtr( pWnd );
2783 HeapFree( GetProcessHeap(), 0, win_array );
2788 /*******************************************************************
2789 * GetLastActivePopup (USER32.@)
2791 HWND WINAPI GetLastActivePopup( HWND hwnd )
2795 SERVER_START_REQ( get_window_info )
2798 if (!wine_server_call_err( req )) retval = reply->last_active;
2805 /*******************************************************************
2808 * Build an array of the children of a given window. The array must be
2809 * freed with HeapFree. Returns NULL when no windows are found.
2811 HWND *WIN_ListChildren( HWND hwnd )
2813 return list_window_children( hwnd, 0, 0 );
2817 /*******************************************************************
2818 * EnumWindows (USER32.@)
2820 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2826 USER_CheckNotLock();
2828 /* We have to build a list of all windows first, to avoid */
2829 /* unpleasant side-effects, for instance if the callback */
2830 /* function changes the Z-order of the windows. */
2832 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2834 /* Now call the callback function for every window */
2836 for (i = 0; list[i]; i++)
2838 /* Make sure that the window still exists */
2839 if (!IsWindow( list[i] )) continue;
2840 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2842 HeapFree( GetProcessHeap(), 0, list );
2847 /**********************************************************************
2848 * EnumThreadWindows (USER32.@)
2850 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2855 USER_CheckNotLock();
2857 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2859 /* Now call the callback function for every window */
2861 for (i = 0; list[i]; i++)
2862 if (!func( list[i], lParam )) break;
2863 HeapFree( GetProcessHeap(), 0, list );
2868 /**********************************************************************
2869 * WIN_EnumChildWindows
2871 * Helper function for EnumChildWindows().
2873 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2878 for ( ; *list; list++)
2880 /* Make sure that the window still exists */
2881 if (!IsWindow( *list )) continue;
2882 /* Build children list first */
2883 childList = WIN_ListChildren( *list );
2885 ret = func( *list, lParam );
2889 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2890 HeapFree( GetProcessHeap(), 0, childList );
2892 if (!ret) return FALSE;
2898 /**********************************************************************
2899 * EnumChildWindows (USER32.@)
2901 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2906 USER_CheckNotLock();
2908 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2909 ret = WIN_EnumChildWindows( list, func, lParam );
2910 HeapFree( GetProcessHeap(), 0, list );
2915 /*******************************************************************
2916 * AnyPopup (USER.52)
2918 BOOL16 WINAPI AnyPopup16(void)
2924 /*******************************************************************
2925 * AnyPopup (USER32.@)
2927 BOOL WINAPI AnyPopup(void)
2931 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2933 if (!list) return FALSE;
2934 for (i = 0; list[i]; i++)
2936 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2938 retvalue = (list[i] != 0);
2939 HeapFree( GetProcessHeap(), 0, list );
2944 /*******************************************************************
2945 * FlashWindow (USER32.@)
2947 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2951 TRACE("%p\n", hWnd);
2953 if (IsIconic( hWnd ))
2955 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2957 wndPtr = WIN_GetPtr(hWnd);
2958 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2959 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2961 wndPtr->flags |= WIN_NCACTIVATED;
2965 wndPtr->flags &= ~WIN_NCACTIVATED;
2967 WIN_ReleasePtr( wndPtr );
2974 wndPtr = WIN_GetPtr(hWnd);
2975 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2976 hWnd = wndPtr->hwndSelf; /* make it a full handle */
2978 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2979 else wparam = (hWnd == GetForegroundWindow());
2981 WIN_ReleasePtr( wndPtr );
2982 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2987 /*******************************************************************
2988 * FlashWindowEx (USER32.@)
2990 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
2992 FIXME("%p\n", pfwi);
2996 /*******************************************************************
2997 * GetWindowContextHelpId (USER32.@)
2999 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3002 WND *wnd = WIN_GetPtr( hwnd );
3003 if (!wnd || wnd == WND_DESKTOP) return 0;
3004 if (wnd == WND_OTHER_PROCESS)
3006 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3009 retval = wnd->helpContext;
3010 WIN_ReleasePtr( wnd );
3015 /*******************************************************************
3016 * SetWindowContextHelpId (USER32.@)
3018 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3020 WND *wnd = WIN_GetPtr( hwnd );
3021 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3022 if (wnd == WND_OTHER_PROCESS)
3024 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3027 wnd->helpContext = id;
3028 WIN_ReleasePtr( wnd );
3033 /*******************************************************************
3034 * DragDetect (USER32.@)
3036 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3040 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3041 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3043 rect.left = pt.x - wDragWidth;
3044 rect.right = pt.x + wDragWidth;
3046 rect.top = pt.y - wDragHeight;
3047 rect.bottom = pt.y + wDragHeight;
3053 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3055 if( msg.message == WM_LBUTTONUP )
3060 if( msg.message == WM_MOUSEMOVE )
3063 tmp.x = (short)LOWORD(msg.lParam);
3064 tmp.y = (short)HIWORD(msg.lParam);
3065 if( !PtInRect( &rect, tmp ))
3077 /******************************************************************************
3078 * GetWindowModuleFileNameA (USER32.@)
3080 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3082 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3083 hwnd, lpszFileName, cchFileNameMax);
3087 /******************************************************************************
3088 * GetWindowModuleFileNameW (USER32.@)
3090 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3092 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3093 hwnd, lpszFileName, cchFileNameMax);
3097 /******************************************************************************
3098 * GetWindowInfo (USER32.@)
3100 * Note: tests show that Windows doesn't check cbSize of the structure.
3102 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3104 if (!pwi) return FALSE;
3105 if (!IsWindow(hwnd)) return FALSE;
3107 GetWindowRect(hwnd, &pwi->rcWindow);
3108 GetClientRect(hwnd, &pwi->rcClient);
3109 /* translate to screen coordinates */
3110 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3112 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3113 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3114 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3116 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3117 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3119 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3120 pwi->wCreatorVersion = 0x0400;
3125 /******************************************************************************
3126 * SwitchDesktop (USER32.@)
3128 * NOTES: Sets the current input or interactive desktop.
3130 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3132 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3136 /*****************************************************************************
3137 * SetLayeredWindowAttributes (USER32.@)
3139 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3140 BYTE bAlpha, DWORD dwFlags )
3142 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3146 /*****************************************************************************
3147 * UpdateLayeredWindow (USER32.@)
3149 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3150 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3157 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3158 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3163 /* 64bit versions */
3165 #ifdef GetWindowLongPtrW
3166 #undef GetWindowLongPtrW
3169 #ifdef GetWindowLongPtrA
3170 #undef GetWindowLongPtrA
3173 #ifdef SetWindowLongPtrW
3174 #undef SetWindowLongPtrW
3177 #ifdef SetWindowLongPtrA
3178 #undef SetWindowLongPtrA
3181 /*****************************************************************************
3182 * GetWindowLongPtrW (USER32.@)
3184 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3186 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3189 /*****************************************************************************
3190 * GetWindowLongPtrA (USER32.@)
3192 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3194 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3197 /*****************************************************************************
3198 * SetWindowLongPtrW (USER32.@)
3200 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3202 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3205 /*****************************************************************************
3206 * SetWindowLongPtrA (USER32.@)
3208 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3210 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );