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 /* WS_EX_TOPMOST can only be changed through SetWindowPos */
1949 newval = (newval & ~WS_EX_TOPMOST) | (wndPtr->dwExStyle & WS_EX_TOPMOST);
1950 req->ex_style = newval;
1953 req->flags = SET_WIN_ID;
1956 case GWLP_HINSTANCE:
1957 req->flags = SET_WIN_INSTANCE;
1958 req->instance = (void *)newval;
1961 req->flags = SET_WIN_UNICODE;
1962 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1965 req->flags = SET_WIN_USERDATA;
1966 req->user_data = newval;
1969 req->flags = SET_WIN_EXTRA;
1970 req->extra_offset = offset;
1971 req->extra_size = size;
1972 set_win_data( &req->extra_value, newval, size );
1974 if ((ok = !wine_server_call_err( req )))
1979 wndPtr->dwStyle = newval;
1980 retval = reply->old_style;
1983 wndPtr->dwExStyle = newval;
1984 retval = reply->old_ex_style;
1987 wndPtr->wIDmenu = newval;
1988 retval = reply->old_id;
1990 case GWLP_HINSTANCE:
1991 wndPtr->hInstance = (HINSTANCE)newval;
1992 retval = (ULONG_PTR)reply->old_instance;
1997 wndPtr->userdata = newval;
1998 retval = reply->old_user_data;
2001 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2002 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2008 WIN_ReleasePtr( wndPtr );
2012 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2014 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2015 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2021 /**********************************************************************
2022 * GetWindowLong (USER.135)
2024 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2028 BOOL is_winproc = (offset == GWLP_WNDPROC);
2032 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2034 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2037 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2039 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2042 * Some programs try to access last element from 16 bit
2043 * code using illegal offset value. Hopefully this is
2044 * what those programs really expect.
2046 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2048 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2049 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2054 WARN("Invalid offset %d\n", offset );
2055 WIN_ReleasePtr( wndPtr );
2056 SetLastError( ERROR_INVALID_INDEX );
2060 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2061 WIN_ReleasePtr( wndPtr );
2064 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2065 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2070 /**********************************************************************
2071 * GetWindowWord (USER32.@)
2073 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2078 case GWLP_HINSTANCE:
2079 case GWLP_HWNDPARENT:
2084 WARN("Invalid offset %d\n", offset );
2085 SetLastError( ERROR_INVALID_INDEX );
2090 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2094 /**********************************************************************
2095 * GetWindowLongA (USER32.@)
2097 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2099 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2103 /**********************************************************************
2104 * GetWindowLongW (USER32.@)
2106 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2108 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2112 /**********************************************************************
2113 * SetWindowLong (USER.136)
2115 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2118 BOOL is_winproc = (offset == GWLP_WNDPROC);
2120 if (offset == DWLP_DLGPROC)
2122 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2124 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2127 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2129 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2130 (wndPtr->flags & WIN_ISDIALOG));
2131 WIN_ReleasePtr( wndPtr );
2137 WNDPROC new_proc = WINPROC_AllocProc16( (WNDPROC16)newval );
2138 WNDPROC old_proc = (WNDPROC)SetWindowLongPtrA( WIN_Handle32(hwnd), offset, (LONG_PTR)new_proc );
2139 return (LONG)WINPROC_GetProc16( (WNDPROC)old_proc, FALSE );
2141 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2145 /**********************************************************************
2146 * SetWindowWord (USER32.@)
2148 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2153 case GWLP_HINSTANCE:
2154 case GWLP_HWNDPARENT:
2159 WARN("Invalid offset %d\n", offset );
2160 SetLastError( ERROR_INVALID_INDEX );
2165 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2169 /**********************************************************************
2170 * SetWindowLongA (USER32.@)
2172 * See SetWindowLongW.
2174 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2176 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2180 /**********************************************************************
2181 * SetWindowLongW (USER32.@) Set window attribute
2183 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2184 * value in a window's extra memory.
2186 * The _hwnd_ parameter specifies the window. is the handle to a
2187 * window that has extra memory. The _newval_ parameter contains the
2188 * new attribute or extra memory value. If positive, the _offset_
2189 * parameter is the byte-addressed location in the window's extra
2190 * memory to set. If negative, _offset_ specifies the window
2191 * attribute to set, and should be one of the following values:
2193 * GWL_EXSTYLE The window's extended window style
2195 * GWL_STYLE The window's window style.
2197 * GWLP_WNDPROC Pointer to the window's window procedure.
2199 * GWLP_HINSTANCE The window's pplication instance handle.
2201 * GWLP_ID The window's identifier.
2203 * GWLP_USERDATA The window's user-specified data.
2205 * If the window is a dialog box, the _offset_ parameter can be one of
2206 * the following values:
2208 * DWLP_DLGPROC The address of the window's dialog box procedure.
2210 * DWLP_MSGRESULT The return value of a message
2211 * that the dialog box procedure processed.
2213 * DWLP_USER Application specific information.
2217 * If successful, returns the previous value located at _offset_. Otherwise,
2222 * Extra memory for a window class is specified by a nonzero cbWndExtra
2223 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2224 * time of class creation.
2226 * Using GWL_WNDPROC to set a new window procedure effectively creates
2227 * a window subclass. Use CallWindowProc() in the new windows procedure
2228 * to pass messages to the superclass's window procedure.
2230 * The user data is reserved for use by the application which created
2233 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2234 * instead, call the EnableWindow() function to change the window's
2237 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2238 * SetParent() instead.
2241 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2242 * it sends WM_STYLECHANGING before changing the settings
2243 * and WM_STYLECHANGED afterwards.
2244 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2246 LONG WINAPI SetWindowLongW(
2247 HWND hwnd, /* [in] window to alter */
2248 INT offset, /* [in] offset, in bytes, of location to alter */
2249 LONG newval /* [in] new value of location */
2251 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2255 /*******************************************************************
2256 * GetWindowTextA (USER32.@)
2258 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2262 if (!lpString) return 0;
2264 if (WIN_IsCurrentProcess( hwnd ))
2265 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2267 /* when window belongs to other process, don't send a message */
2268 if (nMaxCount <= 0) return 0;
2269 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2270 get_server_window_text( hwnd, buffer, nMaxCount );
2271 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2272 lpString[nMaxCount-1] = 0;
2273 HeapFree( GetProcessHeap(), 0, buffer );
2274 return strlen(lpString);
2278 /*******************************************************************
2279 * InternalGetWindowText (USER32.@)
2281 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2285 if (nMaxCount <= 0) return 0;
2286 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2287 if (win == WND_DESKTOP) lpString[0] = 0;
2288 else if (win != WND_OTHER_PROCESS)
2290 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2291 else lpString[0] = 0;
2292 WIN_ReleasePtr( win );
2296 get_server_window_text( hwnd, lpString, nMaxCount );
2298 return strlenW(lpString);
2302 /*******************************************************************
2303 * GetWindowTextW (USER32.@)
2305 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2307 if (!lpString) return 0;
2309 if (WIN_IsCurrentProcess( hwnd ))
2310 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2312 /* when window belongs to other process, don't send a message */
2313 if (nMaxCount <= 0) return 0;
2314 get_server_window_text( hwnd, lpString, nMaxCount );
2315 return strlenW(lpString);
2319 /*******************************************************************
2320 * SetWindowTextA (USER32.@)
2321 * SetWindowText (USER32.@)
2323 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2325 if (is_broadcast(hwnd))
2327 SetLastError( ERROR_INVALID_PARAMETER );
2330 if (!WIN_IsCurrentProcess( hwnd ))
2331 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2332 debugstr_a(lpString), hwnd );
2333 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2337 /*******************************************************************
2338 * SetWindowTextW (USER32.@)
2340 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2342 if (is_broadcast(hwnd))
2344 SetLastError( ERROR_INVALID_PARAMETER );
2347 if (!WIN_IsCurrentProcess( hwnd ))
2348 WARN( "setting text %s of other process window %p should not use SendMessage\n",
2349 debugstr_w(lpString), hwnd );
2350 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2354 /*******************************************************************
2355 * GetWindowTextLengthA (USER32.@)
2357 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2359 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2362 /*******************************************************************
2363 * GetWindowTextLengthW (USER32.@)
2365 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2367 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2371 /*******************************************************************
2372 * IsWindow (USER32.@)
2374 BOOL WINAPI IsWindow( HWND hwnd )
2379 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2380 if (ptr == WND_DESKTOP) return TRUE;
2382 if (ptr != WND_OTHER_PROCESS)
2384 WIN_ReleasePtr( ptr );
2388 /* check other processes */
2389 SERVER_START_REQ( get_window_info )
2392 ret = !wine_server_call_err( req );
2399 /***********************************************************************
2400 * GetWindowThreadProcessId (USER32.@)
2402 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2407 if (!(ptr = WIN_GetPtr( hwnd )))
2409 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2413 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2415 /* got a valid window */
2417 if (process) *process = GetCurrentProcessId();
2418 WIN_ReleasePtr( ptr );
2422 /* check other processes */
2423 SERVER_START_REQ( get_window_info )
2426 if (!wine_server_call_err( req ))
2428 tid = (DWORD)reply->tid;
2429 if (process) *process = (DWORD)reply->pid;
2437 /*****************************************************************
2438 * GetParent (USER32.@)
2440 HWND WINAPI GetParent( HWND hwnd )
2445 if (!(wndPtr = WIN_GetPtr( hwnd )))
2447 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2450 if (wndPtr == WND_DESKTOP) return 0;
2451 if (wndPtr == WND_OTHER_PROCESS)
2453 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2454 if (style & (WS_POPUP | WS_CHILD))
2456 SERVER_START_REQ( get_window_tree )
2459 if (!wine_server_call_err( req ))
2461 if (style & WS_POPUP) retvalue = reply->owner;
2462 else if (style & WS_CHILD) retvalue = reply->parent;
2470 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2471 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2472 WIN_ReleasePtr( wndPtr );
2478 /*****************************************************************
2479 * GetAncestor (USER32.@)
2481 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2484 HWND *list, ret = 0;
2489 if (!(win = WIN_GetPtr( hwnd )))
2491 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2494 if (win == WND_DESKTOP) return 0;
2495 if (win != WND_OTHER_PROCESS)
2498 WIN_ReleasePtr( win );
2500 else /* need to query the server */
2502 SERVER_START_REQ( get_window_tree )
2505 if (!wine_server_call_err( req )) ret = reply->parent;
2512 if (!(list = list_window_parents( hwnd ))) return 0;
2514 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2518 while (list[count]) count++;
2519 ret = list[count - 2]; /* get the one before the desktop */
2521 HeapFree( GetProcessHeap(), 0, list );
2525 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2528 HWND parent = GetParent( ret );
2538 /*****************************************************************
2539 * SetParent (USER32.@)
2541 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2544 HWND old_parent = 0;
2549 if (is_broadcast(hwnd) || is_broadcast(parent))
2551 SetLastError(ERROR_INVALID_PARAMETER);
2555 if (!parent) parent = GetDesktopWindow();
2556 else parent = WIN_GetFullHandle( parent );
2558 if (!IsWindow( parent ))
2560 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2564 /* Some applications try to set a child as a parent */
2565 if (IsChild(hwnd, parent))
2567 SetLastError( ERROR_INVALID_PARAMETER );
2571 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2572 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2574 /* Windows hides the window first, then shows it again
2575 * including the WM_SHOWWINDOW messages and all */
2576 was_visible = ShowWindow( hwnd, SW_HIDE );
2578 wndPtr = WIN_GetPtr( hwnd );
2579 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2581 SERVER_START_REQ( set_parent )
2584 req->parent = parent;
2585 if ((ret = !wine_server_call( req )))
2587 old_parent = reply->old_parent;
2588 wndPtr->parent = parent = reply->full_parent;
2593 WIN_ReleasePtr( wndPtr );
2596 USER_Driver->pSetParent( full_handle, parent, old_parent );
2598 /* SetParent additionally needs to make hwnd the topmost window
2599 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2600 WM_WINDOWPOSCHANGED notification messages.
2602 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2603 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2604 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2605 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2611 /*******************************************************************
2612 * IsChild (USER32.@)
2614 BOOL WINAPI IsChild( HWND parent, HWND child )
2616 HWND *list = list_window_parents( child );
2620 if (!list) return FALSE;
2621 parent = WIN_GetFullHandle( parent );
2622 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2623 ret = list[i] && list[i+1];
2624 HeapFree( GetProcessHeap(), 0, list );
2629 /***********************************************************************
2630 * IsWindowVisible (USER32.@)
2632 BOOL WINAPI IsWindowVisible( HWND hwnd )
2638 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2639 if (!(list = list_window_parents( hwnd ))) return TRUE;
2640 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2642 for (i = 0; list[i+1]; i++)
2643 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2644 retval = !list[i+1];
2646 HeapFree( GetProcessHeap(), 0, list );
2651 /***********************************************************************
2652 * WIN_IsWindowDrawable
2654 * hwnd is drawable when it is visible, all parents are not
2655 * minimized, and it is itself not minimized unless we are
2656 * trying to draw its default class icon.
2658 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2663 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2665 if (!(style & WS_VISIBLE)) return FALSE;
2666 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2668 if (!(list = list_window_parents( hwnd ))) return TRUE;
2669 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2671 for (i = 0; list[i+1]; i++)
2672 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2674 retval = !list[i+1];
2676 HeapFree( GetProcessHeap(), 0, list );
2681 /*******************************************************************
2682 * GetTopWindow (USER32.@)
2684 HWND WINAPI GetTopWindow( HWND hwnd )
2686 if (!hwnd) hwnd = GetDesktopWindow();
2687 return GetWindow( hwnd, GW_CHILD );
2691 /*******************************************************************
2692 * GetWindow (USER32.@)
2694 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2698 if (rel == GW_OWNER) /* this one may be available locally */
2700 WND *wndPtr = WIN_GetPtr( hwnd );
2703 SetLastError( ERROR_INVALID_HANDLE );
2706 if (wndPtr == WND_DESKTOP) return 0;
2707 if (wndPtr != WND_OTHER_PROCESS)
2709 retval = wndPtr->owner;
2710 WIN_ReleasePtr( wndPtr );
2713 /* else fall through to server call */
2716 SERVER_START_REQ( get_window_tree )
2719 if (!wine_server_call_err( req ))
2724 retval = reply->first_sibling;
2727 retval = reply->last_sibling;
2730 retval = reply->next_sibling;
2733 retval = reply->prev_sibling;
2736 retval = reply->owner;
2739 retval = reply->first_child;
2749 /*******************************************************************
2750 * ShowOwnedPopups (USER32.@)
2752 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2756 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2758 if (!win_array) return TRUE;
2760 while (win_array[count]) count++;
2761 while (--count >= 0)
2763 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2764 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2765 if (pWnd == WND_OTHER_PROCESS) continue;
2768 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2770 WIN_ReleasePtr( pWnd );
2771 /* In Windows, ShowOwnedPopups(TRUE) generates
2772 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2773 * regardless of the state of the owner
2775 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2781 if (pWnd->dwStyle & WS_VISIBLE)
2783 WIN_ReleasePtr( pWnd );
2784 /* In Windows, ShowOwnedPopups(FALSE) generates
2785 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2786 * regardless of the state of the owner
2788 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2792 WIN_ReleasePtr( pWnd );
2794 HeapFree( GetProcessHeap(), 0, win_array );
2799 /*******************************************************************
2800 * GetLastActivePopup (USER32.@)
2802 HWND WINAPI GetLastActivePopup( HWND hwnd )
2806 SERVER_START_REQ( get_window_info )
2809 if (!wine_server_call_err( req )) retval = reply->last_active;
2816 /*******************************************************************
2819 * Build an array of the children of a given window. The array must be
2820 * freed with HeapFree. Returns NULL when no windows are found.
2822 HWND *WIN_ListChildren( HWND hwnd )
2824 return list_window_children( hwnd, 0, 0 );
2828 /*******************************************************************
2829 * EnumWindows (USER32.@)
2831 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2837 USER_CheckNotLock();
2839 /* We have to build a list of all windows first, to avoid */
2840 /* unpleasant side-effects, for instance if the callback */
2841 /* function changes the Z-order of the windows. */
2843 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2845 /* Now call the callback function for every window */
2847 for (i = 0; list[i]; i++)
2849 /* Make sure that the window still exists */
2850 if (!IsWindow( list[i] )) continue;
2851 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2853 HeapFree( GetProcessHeap(), 0, list );
2858 /**********************************************************************
2859 * EnumThreadWindows (USER32.@)
2861 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2866 USER_CheckNotLock();
2868 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2870 /* Now call the callback function for every window */
2872 for (i = 0; list[i]; i++)
2873 if (!func( list[i], lParam )) break;
2874 HeapFree( GetProcessHeap(), 0, list );
2879 /**********************************************************************
2880 * WIN_EnumChildWindows
2882 * Helper function for EnumChildWindows().
2884 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2889 for ( ; *list; list++)
2891 /* Make sure that the window still exists */
2892 if (!IsWindow( *list )) continue;
2893 /* Build children list first */
2894 childList = WIN_ListChildren( *list );
2896 ret = func( *list, lParam );
2900 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2901 HeapFree( GetProcessHeap(), 0, childList );
2903 if (!ret) return FALSE;
2909 /**********************************************************************
2910 * EnumChildWindows (USER32.@)
2912 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2917 USER_CheckNotLock();
2919 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2920 ret = WIN_EnumChildWindows( list, func, lParam );
2921 HeapFree( GetProcessHeap(), 0, list );
2926 /*******************************************************************
2927 * AnyPopup (USER.52)
2929 BOOL16 WINAPI AnyPopup16(void)
2935 /*******************************************************************
2936 * AnyPopup (USER32.@)
2938 BOOL WINAPI AnyPopup(void)
2942 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2944 if (!list) return FALSE;
2945 for (i = 0; list[i]; i++)
2947 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2949 retvalue = (list[i] != 0);
2950 HeapFree( GetProcessHeap(), 0, list );
2955 /*******************************************************************
2956 * FlashWindow (USER32.@)
2958 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2962 TRACE("%p\n", hWnd);
2964 if (IsIconic( hWnd ))
2966 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2968 wndPtr = WIN_GetPtr(hWnd);
2969 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2970 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2972 wndPtr->flags |= WIN_NCACTIVATED;
2976 wndPtr->flags &= ~WIN_NCACTIVATED;
2978 WIN_ReleasePtr( wndPtr );
2985 wndPtr = WIN_GetPtr(hWnd);
2986 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2987 hWnd = wndPtr->hwndSelf; /* make it a full handle */
2989 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2990 else wparam = (hWnd == GetForegroundWindow());
2992 WIN_ReleasePtr( wndPtr );
2993 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2998 /*******************************************************************
2999 * FlashWindowEx (USER32.@)
3001 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3003 FIXME("%p\n", pfwi);
3007 /*******************************************************************
3008 * GetWindowContextHelpId (USER32.@)
3010 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3013 WND *wnd = WIN_GetPtr( hwnd );
3014 if (!wnd || wnd == WND_DESKTOP) return 0;
3015 if (wnd == WND_OTHER_PROCESS)
3017 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3020 retval = wnd->helpContext;
3021 WIN_ReleasePtr( wnd );
3026 /*******************************************************************
3027 * SetWindowContextHelpId (USER32.@)
3029 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3031 WND *wnd = WIN_GetPtr( hwnd );
3032 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3033 if (wnd == WND_OTHER_PROCESS)
3035 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3038 wnd->helpContext = id;
3039 WIN_ReleasePtr( wnd );
3044 /*******************************************************************
3045 * DragDetect (USER32.@)
3047 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3051 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3052 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3054 rect.left = pt.x - wDragWidth;
3055 rect.right = pt.x + wDragWidth;
3057 rect.top = pt.y - wDragHeight;
3058 rect.bottom = pt.y + wDragHeight;
3064 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3066 if( msg.message == WM_LBUTTONUP )
3071 if( msg.message == WM_MOUSEMOVE )
3074 tmp.x = (short)LOWORD(msg.lParam);
3075 tmp.y = (short)HIWORD(msg.lParam);
3076 if( !PtInRect( &rect, tmp ))
3088 /******************************************************************************
3089 * GetWindowModuleFileNameA (USER32.@)
3091 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3093 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3094 hwnd, lpszFileName, cchFileNameMax);
3098 /******************************************************************************
3099 * GetWindowModuleFileNameW (USER32.@)
3101 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3103 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3104 hwnd, lpszFileName, cchFileNameMax);
3108 /******************************************************************************
3109 * GetWindowInfo (USER32.@)
3111 * Note: tests show that Windows doesn't check cbSize of the structure.
3113 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3115 if (!pwi) return FALSE;
3116 if (!IsWindow(hwnd)) return FALSE;
3118 GetWindowRect(hwnd, &pwi->rcWindow);
3119 GetClientRect(hwnd, &pwi->rcClient);
3120 /* translate to screen coordinates */
3121 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3123 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3124 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3125 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3127 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3128 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3130 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3131 pwi->wCreatorVersion = 0x0400;
3136 /******************************************************************************
3137 * SwitchDesktop (USER32.@)
3139 * NOTES: Sets the current input or interactive desktop.
3141 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3143 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3147 /*****************************************************************************
3148 * SetLayeredWindowAttributes (USER32.@)
3150 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3151 BYTE bAlpha, DWORD dwFlags )
3153 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3157 /*****************************************************************************
3158 * UpdateLayeredWindow (USER32.@)
3160 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3161 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3168 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3169 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3174 /* 64bit versions */
3176 #ifdef GetWindowLongPtrW
3177 #undef GetWindowLongPtrW
3180 #ifdef GetWindowLongPtrA
3181 #undef GetWindowLongPtrA
3184 #ifdef SetWindowLongPtrW
3185 #undef SetWindowLongPtrW
3188 #ifdef SetWindowLongPtrA
3189 #undef SetWindowLongPtrA
3192 /*****************************************************************************
3193 * GetWindowLongPtrW (USER32.@)
3195 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3197 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3200 /*****************************************************************************
3201 * GetWindowLongPtrA (USER32.@)
3203 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3205 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3208 /*****************************************************************************
3209 * SetWindowLongPtrW (USER32.@)
3211 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3213 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3216 /*****************************************************************************
3217 * SetWindowLongPtrA (USER32.@)
3219 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3221 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );