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 if (!thread_info->desktop) thread_info->desktop = full_parent ? full_parent : handle;
152 else assert( full_parent == thread_info->desktop );
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_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1793 /* This looks like a hack only for the edit control (see tests). This makes these controls
1794 * more tolerant to A/W mismatches. The lack of W->A->W conversion for such a mismatch suggests
1795 * that the hack is in GetWindowLongPtr[AW], not in winprocs.
1797 if (wndPtr->winproc == EDIT_winproc_handle && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
1798 retvalue = (ULONG_PTR)wndPtr->winproc;
1800 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
1803 WARN("Unknown offset %d\n", offset );
1804 SetLastError( ERROR_INVALID_INDEX );
1807 WIN_ReleasePtr(wndPtr);
1812 /**********************************************************************
1815 * Helper function for SetWindowLong().
1817 * 0 is the failure code. However, in the case of failure SetLastError
1818 * must be set to distinguish between a 0 return value and a failure.
1820 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
1824 LONG_PTR retval = 0;
1827 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
1829 if (is_broadcast(hwnd))
1831 SetLastError( ERROR_INVALID_PARAMETER );
1835 if (!(wndPtr = WIN_GetPtr( hwnd )))
1837 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1840 if (wndPtr == WND_DESKTOP)
1842 /* can't change anything on the desktop window */
1843 SetLastError( ERROR_ACCESS_DENIED );
1846 if (wndPtr == WND_OTHER_PROCESS)
1848 if (offset == GWLP_WNDPROC)
1850 SetLastError( ERROR_ACCESS_DENIED );
1853 if (offset > 32767 || offset < -32767)
1855 SetLastError( ERROR_INVALID_INDEX );
1858 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
1861 /* first some special cases */
1867 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
1868 style.styleNew = newval;
1869 WIN_ReleasePtr( wndPtr );
1870 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
1871 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1872 newval = style.styleNew;
1874 case GWLP_HWNDPARENT:
1875 if (wndPtr->parent == GetDesktopWindow())
1877 WIN_ReleasePtr( wndPtr );
1878 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1882 WIN_ReleasePtr( wndPtr );
1883 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1888 UINT old_flags = wndPtr->flags;
1889 retval = WIN_GetWindowLong( hwnd, offset, size, unicode );
1890 if (unicode) proc = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1891 else proc = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1892 if (proc) wndPtr->winproc = proc;
1893 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
1894 else wndPtr->flags &= ~WIN_ISUNICODE;
1895 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
1897 WIN_ReleasePtr( wndPtr );
1900 /* update is_unicode flag on the server side */
1904 case GWLP_HINSTANCE:
1908 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
1909 (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1911 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
1912 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
1913 if (unicode) *ptr = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1914 else *ptr = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1915 WIN_ReleasePtr( wndPtr );
1920 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
1922 WARN("Invalid offset %d\n", offset );
1923 WIN_ReleasePtr( wndPtr );
1924 SetLastError( ERROR_INVALID_INDEX );
1927 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
1929 /* already set to the same value */
1930 WIN_ReleasePtr( wndPtr );
1936 SERVER_START_REQ( set_window_info )
1939 req->extra_offset = -1;
1943 req->flags = SET_WIN_STYLE;
1944 req->style = newval;
1947 req->flags = SET_WIN_EXSTYLE;
1948 req->ex_style = newval;
1951 req->flags = SET_WIN_ID;
1954 case GWLP_HINSTANCE:
1955 req->flags = SET_WIN_INSTANCE;
1956 req->instance = (void *)newval;
1959 req->flags = SET_WIN_UNICODE;
1960 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1963 req->flags = SET_WIN_USERDATA;
1964 req->user_data = newval;
1967 req->flags = SET_WIN_EXTRA;
1968 req->extra_offset = offset;
1969 req->extra_size = size;
1970 set_win_data( &req->extra_value, newval, size );
1972 if ((ok = !wine_server_call_err( req )))
1977 wndPtr->dwStyle = newval;
1978 retval = reply->old_style;
1981 wndPtr->dwExStyle = newval;
1982 retval = reply->old_ex_style;
1985 wndPtr->wIDmenu = newval;
1986 retval = reply->old_id;
1988 case GWLP_HINSTANCE:
1989 wndPtr->hInstance = (HINSTANCE)newval;
1990 retval = (ULONG_PTR)reply->old_instance;
1995 wndPtr->userdata = newval;
1996 retval = reply->old_user_data;
1999 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2000 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2006 WIN_ReleasePtr( wndPtr );
2010 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2012 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2013 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2019 /**********************************************************************
2020 * GetWindowLong (USER.135)
2022 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2026 BOOL is_winproc = (offset == GWLP_WNDPROC);
2030 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2032 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2035 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2037 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2040 * Some programs try to access last element from 16 bit
2041 * code using illegal offset value. Hopefully this is
2042 * what those programs really expect.
2044 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2046 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2047 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2052 WARN("Invalid offset %d\n", offset );
2053 WIN_ReleasePtr( wndPtr );
2054 SetLastError( ERROR_INVALID_INDEX );
2058 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2059 WIN_ReleasePtr( wndPtr );
2062 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2063 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2068 /**********************************************************************
2069 * GetWindowWord (USER32.@)
2071 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2076 case GWLP_HINSTANCE:
2077 case GWLP_HWNDPARENT:
2082 WARN("Invalid offset %d\n", offset );
2083 SetLastError( ERROR_INVALID_INDEX );
2088 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2092 /**********************************************************************
2093 * GetWindowLongA (USER32.@)
2095 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2097 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2101 /**********************************************************************
2102 * GetWindowLongW (USER32.@)
2104 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2106 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2110 /**********************************************************************
2111 * SetWindowLong (USER.136)
2113 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2116 BOOL is_winproc = (offset == GWLP_WNDPROC);
2118 if (offset == DWLP_DLGPROC)
2120 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2122 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2125 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2127 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2128 (wndPtr->flags & WIN_ISDIALOG));
2129 WIN_ReleasePtr( wndPtr );
2135 WNDPROC new_proc = WINPROC_AllocProc16( (WNDPROC16)newval );
2136 WNDPROC old_proc = (WNDPROC)SetWindowLongPtrA( WIN_Handle32(hwnd), offset, (LONG_PTR)new_proc );
2137 return (LONG)WINPROC_GetProc16( (WNDPROC)old_proc, FALSE );
2139 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2143 /**********************************************************************
2144 * SetWindowWord (USER32.@)
2146 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2151 case GWLP_HINSTANCE:
2152 case GWLP_HWNDPARENT:
2157 WARN("Invalid offset %d\n", offset );
2158 SetLastError( ERROR_INVALID_INDEX );
2163 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2167 /**********************************************************************
2168 * SetWindowLongA (USER32.@)
2170 * See SetWindowLongW.
2172 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2174 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2178 /**********************************************************************
2179 * SetWindowLongW (USER32.@) Set window attribute
2181 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2182 * value in a window's extra memory.
2184 * The _hwnd_ parameter specifies the window. is the handle to a
2185 * window that has extra memory. The _newval_ parameter contains the
2186 * new attribute or extra memory value. If positive, the _offset_
2187 * parameter is the byte-addressed location in the window's extra
2188 * memory to set. If negative, _offset_ specifies the window
2189 * attribute to set, and should be one of the following values:
2191 * GWL_EXSTYLE The window's extended window style
2193 * GWL_STYLE The window's window style.
2195 * GWLP_WNDPROC Pointer to the window's window procedure.
2197 * GWLP_HINSTANCE The window's pplication instance handle.
2199 * GWLP_ID The window's identifier.
2201 * GWLP_USERDATA The window's user-specified data.
2203 * If the window is a dialog box, the _offset_ parameter can be one of
2204 * the following values:
2206 * DWLP_DLGPROC The address of the window's dialog box procedure.
2208 * DWLP_MSGRESULT The return value of a message
2209 * that the dialog box procedure processed.
2211 * DWLP_USER Application specific information.
2215 * If successful, returns the previous value located at _offset_. Otherwise,
2220 * Extra memory for a window class is specified by a nonzero cbWndExtra
2221 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2222 * time of class creation.
2224 * Using GWL_WNDPROC to set a new window procedure effectively creates
2225 * a window subclass. Use CallWindowProc() in the new windows procedure
2226 * to pass messages to the superclass's window procedure.
2228 * The user data is reserved for use by the application which created
2231 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2232 * instead, call the EnableWindow() function to change the window's
2235 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2236 * SetParent() instead.
2239 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2240 * it sends WM_STYLECHANGING before changing the settings
2241 * and WM_STYLECHANGED afterwards.
2242 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2244 LONG WINAPI SetWindowLongW(
2245 HWND hwnd, /* [in] window to alter */
2246 INT offset, /* [in] offset, in bytes, of location to alter */
2247 LONG newval /* [in] new value of location */
2249 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2253 /*******************************************************************
2254 * GetWindowTextA (USER32.@)
2256 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2260 if (!lpString) return 0;
2262 if (WIN_IsCurrentProcess( hwnd ))
2263 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2265 /* when window belongs to other process, don't send a message */
2266 if (nMaxCount <= 0) return 0;
2267 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2268 get_server_window_text( hwnd, buffer, nMaxCount );
2269 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2270 lpString[nMaxCount-1] = 0;
2271 HeapFree( GetProcessHeap(), 0, buffer );
2272 return strlen(lpString);
2276 /*******************************************************************
2277 * InternalGetWindowText (USER32.@)
2279 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2283 if (nMaxCount <= 0) return 0;
2284 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2285 if (win == WND_DESKTOP) lpString[0] = 0;
2286 else if (win != WND_OTHER_PROCESS)
2288 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2289 else lpString[0] = 0;
2290 WIN_ReleasePtr( win );
2294 get_server_window_text( hwnd, lpString, nMaxCount );
2296 return strlenW(lpString);
2300 /*******************************************************************
2301 * GetWindowTextW (USER32.@)
2303 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2305 if (!lpString) return 0;
2307 if (WIN_IsCurrentProcess( hwnd ))
2308 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2310 /* when window belongs to other process, don't send a message */
2311 if (nMaxCount <= 0) return 0;
2312 get_server_window_text( hwnd, lpString, nMaxCount );
2313 return strlenW(lpString);
2317 /*******************************************************************
2318 * SetWindowTextA (USER32.@)
2319 * SetWindowText (USER32.@)
2321 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2323 if (is_broadcast(hwnd))
2325 SetLastError( ERROR_INVALID_PARAMETER );
2328 if (!WIN_IsCurrentProcess( hwnd ))
2329 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2330 debugstr_a(lpString), hwnd );
2331 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2335 /*******************************************************************
2336 * SetWindowTextW (USER32.@)
2338 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2340 if (is_broadcast(hwnd))
2342 SetLastError( ERROR_INVALID_PARAMETER );
2345 if (!WIN_IsCurrentProcess( hwnd ))
2346 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2347 debugstr_w(lpString), hwnd );
2348 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2352 /*******************************************************************
2353 * GetWindowTextLengthA (USER32.@)
2355 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2357 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2360 /*******************************************************************
2361 * GetWindowTextLengthW (USER32.@)
2363 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2365 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2369 /*******************************************************************
2370 * IsWindow (USER32.@)
2372 BOOL WINAPI IsWindow( HWND hwnd )
2377 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2378 if (ptr == WND_DESKTOP) return TRUE;
2380 if (ptr != WND_OTHER_PROCESS)
2382 WIN_ReleasePtr( ptr );
2386 /* check other processes */
2387 SERVER_START_REQ( get_window_info )
2390 ret = !wine_server_call_err( req );
2397 /***********************************************************************
2398 * GetWindowThreadProcessId (USER32.@)
2400 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2405 if (!(ptr = WIN_GetPtr( hwnd )))
2407 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2411 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2413 /* got a valid window */
2415 if (process) *process = GetCurrentProcessId();
2416 WIN_ReleasePtr( ptr );
2420 /* check other processes */
2421 SERVER_START_REQ( get_window_info )
2424 if (!wine_server_call_err( req ))
2426 tid = (DWORD)reply->tid;
2427 if (process) *process = (DWORD)reply->pid;
2435 /*****************************************************************
2436 * GetParent (USER32.@)
2438 HWND WINAPI GetParent( HWND hwnd )
2443 if (!(wndPtr = WIN_GetPtr( hwnd )))
2445 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2448 if (wndPtr == WND_DESKTOP) return 0;
2449 if (wndPtr == WND_OTHER_PROCESS)
2451 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2452 if (style & (WS_POPUP | WS_CHILD))
2454 SERVER_START_REQ( get_window_tree )
2457 if (!wine_server_call_err( req ))
2459 if (style & WS_POPUP) retvalue = reply->owner;
2460 else if (style & WS_CHILD) retvalue = reply->parent;
2468 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2469 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2470 WIN_ReleasePtr( wndPtr );
2476 /*****************************************************************
2477 * GetAncestor (USER32.@)
2479 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2482 HWND *list, ret = 0;
2487 if (!(win = WIN_GetPtr( hwnd )))
2489 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2492 if (win == WND_DESKTOP) return 0;
2493 if (win != WND_OTHER_PROCESS)
2496 WIN_ReleasePtr( win );
2498 else /* need to query the server */
2500 SERVER_START_REQ( get_window_tree )
2503 if (!wine_server_call_err( req )) ret = reply->parent;
2510 if (!(list = list_window_parents( hwnd ))) return 0;
2512 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2516 while (list[count]) count++;
2517 ret = list[count - 2]; /* get the one before the desktop */
2519 HeapFree( GetProcessHeap(), 0, list );
2523 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2526 HWND parent = GetParent( ret );
2536 /*****************************************************************
2537 * SetParent (USER32.@)
2539 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2542 HWND old_parent = 0;
2547 if (is_broadcast(hwnd) || is_broadcast(parent))
2549 SetLastError(ERROR_INVALID_PARAMETER);
2553 if (!parent) parent = GetDesktopWindow();
2554 else parent = WIN_GetFullHandle( parent );
2556 if (!IsWindow( parent ))
2558 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2562 /* Some applications try to set a child as a parent */
2563 if (IsChild(hwnd, parent))
2565 SetLastError( ERROR_INVALID_PARAMETER );
2569 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2570 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2572 /* Windows hides the window first, then shows it again
2573 * including the WM_SHOWWINDOW messages and all */
2574 was_visible = ShowWindow( hwnd, SW_HIDE );
2576 wndPtr = WIN_GetPtr( hwnd );
2577 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2579 SERVER_START_REQ( set_parent )
2582 req->parent = parent;
2583 if ((ret = !wine_server_call( req )))
2585 old_parent = reply->old_parent;
2586 wndPtr->parent = parent = reply->full_parent;
2591 WIN_ReleasePtr( wndPtr );
2594 USER_Driver->pSetParent( full_handle, parent, old_parent );
2596 /* SetParent additionally needs to make hwnd the topmost window
2597 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2598 WM_WINDOWPOSCHANGED notification messages.
2600 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2601 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2602 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2603 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2609 /*******************************************************************
2610 * IsChild (USER32.@)
2612 BOOL WINAPI IsChild( HWND parent, HWND child )
2614 HWND *list = list_window_parents( child );
2618 if (!list) return FALSE;
2619 parent = WIN_GetFullHandle( parent );
2620 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2621 ret = list[i] && list[i+1];
2622 HeapFree( GetProcessHeap(), 0, list );
2627 /***********************************************************************
2628 * IsWindowVisible (USER32.@)
2630 BOOL WINAPI IsWindowVisible( HWND hwnd )
2636 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2637 if (!(list = list_window_parents( hwnd ))) return TRUE;
2638 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2640 for (i = 0; list[i+1]; i++)
2641 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2642 retval = !list[i+1];
2644 HeapFree( GetProcessHeap(), 0, list );
2649 /***********************************************************************
2650 * WIN_IsWindowDrawable
2652 * hwnd is drawable when it is visible, all parents are not
2653 * minimized, and it is itself not minimized unless we are
2654 * trying to draw its default class icon.
2656 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2661 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2663 if (!(style & WS_VISIBLE)) return FALSE;
2664 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2666 if (!(list = list_window_parents( hwnd ))) return TRUE;
2667 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2669 for (i = 0; list[i+1]; i++)
2670 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2672 retval = !list[i+1];
2674 HeapFree( GetProcessHeap(), 0, list );
2679 /*******************************************************************
2680 * GetTopWindow (USER32.@)
2682 HWND WINAPI GetTopWindow( HWND hwnd )
2684 if (!hwnd) hwnd = GetDesktopWindow();
2685 return GetWindow( hwnd, GW_CHILD );
2689 /*******************************************************************
2690 * GetWindow (USER32.@)
2692 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2696 if (rel == GW_OWNER) /* this one may be available locally */
2698 WND *wndPtr = WIN_GetPtr( hwnd );
2701 SetLastError( ERROR_INVALID_HANDLE );
2704 if (wndPtr == WND_DESKTOP) return 0;
2705 if (wndPtr != WND_OTHER_PROCESS)
2707 retval = wndPtr->owner;
2708 WIN_ReleasePtr( wndPtr );
2711 /* else fall through to server call */
2714 SERVER_START_REQ( get_window_tree )
2717 if (!wine_server_call_err( req ))
2722 retval = reply->first_sibling;
2725 retval = reply->last_sibling;
2728 retval = reply->next_sibling;
2731 retval = reply->prev_sibling;
2734 retval = reply->owner;
2737 retval = reply->first_child;
2747 /*******************************************************************
2748 * ShowOwnedPopups (USER32.@)
2750 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2754 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2756 if (!win_array) return TRUE;
2758 while (win_array[count]) count++;
2759 while (--count >= 0)
2761 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2762 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2763 if (pWnd == WND_OTHER_PROCESS) continue;
2766 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2768 WIN_ReleasePtr( pWnd );
2769 /* In Windows, ShowOwnedPopups(TRUE) generates
2770 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2771 * regardless of the state of the owner
2773 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2779 if (pWnd->dwStyle & WS_VISIBLE)
2781 WIN_ReleasePtr( pWnd );
2782 /* In Windows, ShowOwnedPopups(FALSE) generates
2783 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2784 * regardless of the state of the owner
2786 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2790 WIN_ReleasePtr( pWnd );
2792 HeapFree( GetProcessHeap(), 0, win_array );
2797 /*******************************************************************
2798 * GetLastActivePopup (USER32.@)
2800 HWND WINAPI GetLastActivePopup( HWND hwnd )
2804 SERVER_START_REQ( get_window_info )
2807 if (!wine_server_call_err( req )) retval = reply->last_active;
2814 /*******************************************************************
2817 * Build an array of the children of a given window. The array must be
2818 * freed with HeapFree. Returns NULL when no windows are found.
2820 HWND *WIN_ListChildren( HWND hwnd )
2822 return list_window_children( hwnd, 0, 0 );
2826 /*******************************************************************
2827 * EnumWindows (USER32.@)
2829 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2835 USER_CheckNotLock();
2837 /* We have to build a list of all windows first, to avoid */
2838 /* unpleasant side-effects, for instance if the callback */
2839 /* function changes the Z-order of the windows. */
2841 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2843 /* Now call the callback function for every window */
2845 for (i = 0; list[i]; i++)
2847 /* Make sure that the window still exists */
2848 if (!IsWindow( list[i] )) continue;
2849 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2851 HeapFree( GetProcessHeap(), 0, list );
2856 /**********************************************************************
2857 * EnumThreadWindows (USER32.@)
2859 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2864 USER_CheckNotLock();
2866 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2868 /* Now call the callback function for every window */
2870 for (i = 0; list[i]; i++)
2871 if (!func( list[i], lParam )) break;
2872 HeapFree( GetProcessHeap(), 0, list );
2877 /**********************************************************************
2878 * WIN_EnumChildWindows
2880 * Helper function for EnumChildWindows().
2882 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2887 for ( ; *list; list++)
2889 /* Make sure that the window still exists */
2890 if (!IsWindow( *list )) continue;
2891 /* Build children list first */
2892 childList = WIN_ListChildren( *list );
2894 ret = func( *list, lParam );
2898 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2899 HeapFree( GetProcessHeap(), 0, childList );
2901 if (!ret) return FALSE;
2907 /**********************************************************************
2908 * EnumChildWindows (USER32.@)
2910 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2915 USER_CheckNotLock();
2917 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2918 ret = WIN_EnumChildWindows( list, func, lParam );
2919 HeapFree( GetProcessHeap(), 0, list );
2924 /*******************************************************************
2925 * AnyPopup (USER.52)
2927 BOOL16 WINAPI AnyPopup16(void)
2933 /*******************************************************************
2934 * AnyPopup (USER32.@)
2936 BOOL WINAPI AnyPopup(void)
2940 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2942 if (!list) return FALSE;
2943 for (i = 0; list[i]; i++)
2945 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2947 retvalue = (list[i] != 0);
2948 HeapFree( GetProcessHeap(), 0, list );
2953 /*******************************************************************
2954 * FlashWindow (USER32.@)
2956 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2960 TRACE("%p\n", hWnd);
2962 if (IsIconic( hWnd ))
2964 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2966 wndPtr = WIN_GetPtr(hWnd);
2967 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2968 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2970 wndPtr->flags |= WIN_NCACTIVATED;
2974 wndPtr->flags &= ~WIN_NCACTIVATED;
2976 WIN_ReleasePtr( wndPtr );
2983 wndPtr = WIN_GetPtr(hWnd);
2984 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2985 hWnd = wndPtr->hwndSelf; /* make it a full handle */
2987 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2988 else wparam = (hWnd == GetForegroundWindow());
2990 WIN_ReleasePtr( wndPtr );
2991 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2996 /*******************************************************************
2997 * FlashWindowEx (USER32.@)
2999 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3001 FIXME("%p\n", pfwi);
3005 /*******************************************************************
3006 * GetWindowContextHelpId (USER32.@)
3008 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3011 WND *wnd = WIN_GetPtr( hwnd );
3012 if (!wnd || wnd == WND_DESKTOP) return 0;
3013 if (wnd == WND_OTHER_PROCESS)
3015 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3018 retval = wnd->helpContext;
3019 WIN_ReleasePtr( wnd );
3024 /*******************************************************************
3025 * SetWindowContextHelpId (USER32.@)
3027 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3029 WND *wnd = WIN_GetPtr( hwnd );
3030 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3031 if (wnd == WND_OTHER_PROCESS)
3033 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3036 wnd->helpContext = id;
3037 WIN_ReleasePtr( wnd );
3042 /*******************************************************************
3043 * DragDetect (USER32.@)
3045 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3049 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3050 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3052 rect.left = pt.x - wDragWidth;
3053 rect.right = pt.x + wDragWidth;
3055 rect.top = pt.y - wDragHeight;
3056 rect.bottom = pt.y + wDragHeight;
3062 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3064 if( msg.message == WM_LBUTTONUP )
3069 if( msg.message == WM_MOUSEMOVE )
3072 tmp.x = (short)LOWORD(msg.lParam);
3073 tmp.y = (short)HIWORD(msg.lParam);
3074 if( !PtInRect( &rect, tmp ))
3086 /******************************************************************************
3087 * GetWindowModuleFileNameA (USER32.@)
3089 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3091 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3092 hwnd, lpszFileName, cchFileNameMax);
3096 /******************************************************************************
3097 * GetWindowModuleFileNameW (USER32.@)
3099 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3101 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3102 hwnd, lpszFileName, cchFileNameMax);
3106 /******************************************************************************
3107 * GetWindowInfo (USER32.@)
3109 * Note: tests show that Windows doesn't check cbSize of the structure.
3111 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3113 if (!pwi) return FALSE;
3114 if (!IsWindow(hwnd)) return FALSE;
3116 GetWindowRect(hwnd, &pwi->rcWindow);
3117 GetClientRect(hwnd, &pwi->rcClient);
3118 /* translate to screen coordinates */
3119 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3121 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3122 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3123 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3125 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3126 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3128 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3129 pwi->wCreatorVersion = 0x0400;
3134 /******************************************************************************
3135 * SwitchDesktop (USER32.@)
3137 * NOTES: Sets the current input or interactive desktop.
3139 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3141 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3145 /*****************************************************************************
3146 * SetLayeredWindowAttributes (USER32.@)
3148 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3149 BYTE bAlpha, DWORD dwFlags )
3151 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3155 /*****************************************************************************
3156 * UpdateLayeredWindow (USER32.@)
3158 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3159 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3166 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3167 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3172 /* 64bit versions */
3174 #ifdef GetWindowLongPtrW
3175 #undef GetWindowLongPtrW
3178 #ifdef GetWindowLongPtrA
3179 #undef GetWindowLongPtrA
3182 #ifdef SetWindowLongPtrW
3183 #undef SetWindowLongPtrW
3186 #ifdef SetWindowLongPtrA
3187 #undef SetWindowLongPtrA
3190 /*****************************************************************************
3191 * GetWindowLongPtrW (USER32.@)
3193 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3195 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3198 /*****************************************************************************
3199 * GetWindowLongPtrA (USER32.@)
3201 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3203 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3206 /*****************************************************************************
3207 * SetWindowLongPtrW (USER32.@)
3209 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3211 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3214 /*****************************************************************************
3215 * SetWindowLongPtrA (USER32.@)
3217 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3219 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );