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"
37 #include "user_private.h"
40 #include "wine/debug.h"
42 WINE_DEFAULT_DEBUG_CHANNEL(win);
44 #define NB_USER_HANDLES ((LAST_USER_HANDLE - FIRST_USER_HANDLE + 1) >> 1)
45 #define USER_HANDLE_TO_INDEX(hwnd) ((LOWORD(hwnd) - FIRST_USER_HANDLE) >> 1)
47 /**********************************************************************/
49 /* helper for Get/SetWindowLong */
50 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
52 if (size == sizeof(WORD))
55 memcpy( &ret, ptr, sizeof(ret) );
58 else if (size == sizeof(DWORD))
61 memcpy( &ret, ptr, sizeof(ret) );
67 memcpy( &ret, ptr, sizeof(ret) );
72 /* helper for Get/SetWindowLong */
73 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
75 if (size == sizeof(WORD))
78 memcpy( ptr, &newval, sizeof(newval) );
80 else if (size == sizeof(DWORD))
83 memcpy( ptr, &newval, sizeof(newval) );
87 memcpy( ptr, &val, sizeof(val) );
92 static void *user_handles[NB_USER_HANDLES];
94 /***********************************************************************
95 * create_window_handle
97 * Create a window handle with the server.
99 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
100 HINSTANCE instance, BOOL unicode )
104 HWND full_parent = 0, full_owner = 0;
105 struct tagCLASS *class = NULL;
106 user_handle_t handle = 0;
109 /* if 16-bit instance, map to module handle */
110 if (instance && !HIWORD(instance))
111 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
113 SERVER_START_REQ( create_window )
115 req->parent = parent;
118 req->instance = instance;
119 if (!wine_server_call_err( req ))
121 handle = reply->handle;
122 full_parent = reply->parent;
123 full_owner = reply->owner;
124 extra_bytes = reply->extra;
125 class = reply->class_ptr;
132 WARN( "error %ld creating window\n", GetLastError() );
136 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
138 SERVER_START_REQ( destroy_window )
140 req->handle = handle;
141 wine_server_call( req );
144 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
148 if (!parent) /* if parent is 0 we don't have a desktop window yet */
150 struct user_thread_info *thread_info = get_user_thread_info();
152 assert( !thread_info->desktop );
153 thread_info->desktop = full_parent ? full_parent : handle;
154 if (full_parent && !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
155 ERR( "failed to create desktop window\n" );
160 index = USER_HANDLE_TO_INDEX(handle);
161 assert( index < NB_USER_HANDLES );
162 user_handles[index] = win;
163 win->hwndSelf = handle;
164 win->parent = full_parent;
165 win->owner = full_owner;
166 win->dwMagic = WND_MAGIC;
168 win->cbWndExtra = extra_bytes;
169 memset( win->wExtra, 0, extra_bytes );
170 CLASS_AddWindow( class, win, unicode );
175 /***********************************************************************
178 * Free a window handle.
180 static WND *free_window_handle( HWND hwnd )
183 WORD index = USER_HANDLE_TO_INDEX(hwnd);
185 if (index >= NB_USER_HANDLES) return NULL;
187 if ((ptr = user_handles[index]))
189 SERVER_START_REQ( destroy_window )
192 if (!wine_server_call_err( req ))
194 user_handles[index] = NULL;
203 HeapFree( GetProcessHeap(), 0, ptr );
208 /*******************************************************************
209 * list_window_children
211 * Build an array of the children of a given window. The array must be
212 * freed with HeapFree. Returns NULL when no windows are found.
214 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
223 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
225 SERVER_START_REQ( get_window_children )
230 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
231 if (!wine_server_call( req )) count = reply->count;
234 if (count && count < size)
239 HeapFree( GetProcessHeap(), 0, list );
241 size = count + 1; /* restart with a large enough buffer */
247 /*******************************************************************
248 * list_window_parents
250 * Build an array of all parents of a given window, starting with
251 * the immediate parent. The array must be freed with HeapFree.
253 static HWND *list_window_parents( HWND hwnd )
257 int pos = 0, size = 16, count = 0;
259 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
264 if (!(win = WIN_GetPtr( current ))) goto empty;
265 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
266 if (win == WND_DESKTOP)
268 if (!pos) goto empty;
272 list[pos] = current = win->parent;
273 WIN_ReleasePtr( win );
274 if (++pos == size - 1)
276 /* need to grow the list */
277 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
278 if (!new_list) goto empty;
284 /* at least one parent belongs to another process, have to query the server */
289 SERVER_START_REQ( get_window_parents )
292 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
293 if (!wine_server_call( req )) count = reply->count;
296 if (!count) goto empty;
302 HeapFree( GetProcessHeap(), 0, list );
304 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
308 HeapFree( GetProcessHeap(), 0, list );
313 /*******************************************************************
316 static void send_parent_notify( HWND hwnd, UINT msg )
318 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
319 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
321 HWND parent = GetParent(hwnd);
322 if (parent && parent != GetDesktopWindow())
323 SendMessageW( parent, WM_PARENTNOTIFY,
324 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
329 /*******************************************************************
330 * get_server_window_text
332 * Retrieve the window text from the server.
334 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
338 SERVER_START_REQ( get_window_text )
341 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
342 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
345 text[len / sizeof(WCHAR)] = 0;
349 /***********************************************************************
352 * Return a pointer to the WND structure if local to the process,
353 * or WND_OTHER_PROCESS if handle may be valid in other process.
354 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
356 WND *WIN_GetPtr( HWND hwnd )
359 WORD index = USER_HANDLE_TO_INDEX(hwnd);
361 if (index >= NB_USER_HANDLES) return NULL;
364 if ((ptr = user_handles[index]))
366 if (ptr->dwMagic == WND_MAGIC &&
367 (hwnd == ptr->hwndSelf || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff))
371 else if (index == USER_HANDLE_TO_INDEX(GetDesktopWindow()))
373 if (hwnd == GetDesktopWindow() || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff) ptr = WND_DESKTOP;
376 else ptr = WND_OTHER_PROCESS;
382 /***********************************************************************
383 * WIN_IsCurrentProcess
385 * Check whether a given window belongs to the current process (and return the full handle).
387 HWND WIN_IsCurrentProcess( HWND hwnd )
392 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
394 WIN_ReleasePtr( ptr );
399 /***********************************************************************
400 * WIN_IsCurrentThread
402 * Check whether a given window belongs to the current thread (and return the full handle).
404 HWND WIN_IsCurrentThread( HWND hwnd )
409 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
410 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
411 WIN_ReleasePtr( ptr );
416 /***********************************************************************
419 * Convert a 16-bit window handle to a full 32-bit handle.
421 HWND WIN_Handle32( HWND16 hwnd16 )
424 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
426 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
427 /* do sign extension for -2 and -3 */
428 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
430 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
432 if (ptr == WND_DESKTOP) return GetDesktopWindow();
434 if (ptr != WND_OTHER_PROCESS)
436 hwnd = ptr->hwndSelf;
437 WIN_ReleasePtr( ptr );
439 else /* may belong to another process */
441 SERVER_START_REQ( get_window_info )
444 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
452 /***********************************************************************
455 * Change the owner of a window.
457 HWND WIN_SetOwner( HWND hwnd, HWND owner )
459 WND *win = WIN_GetPtr( hwnd );
462 if (!win || win == WND_DESKTOP) return 0;
463 if (win == WND_OTHER_PROCESS)
465 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
468 SERVER_START_REQ( set_window_owner )
472 if (!wine_server_call( req ))
474 win->owner = reply->full_owner;
475 ret = reply->prev_owner;
479 WIN_ReleasePtr( win );
484 /***********************************************************************
487 * Change the style of a window.
489 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
492 ULONG new_style, old_style = 0;
493 WND *win = WIN_GetPtr( hwnd );
495 if (!win || win == WND_DESKTOP) return 0;
496 if (win == WND_OTHER_PROCESS)
499 ERR( "cannot set style %lx/%lx on other process window %p\n",
500 set_bits, clear_bits, hwnd );
503 new_style = (win->dwStyle | set_bits) & ~clear_bits;
504 if (new_style == win->dwStyle)
506 WIN_ReleasePtr( win );
509 SERVER_START_REQ( set_window_info )
512 req->flags = SET_WIN_STYLE;
513 req->style = new_style;
514 req->extra_offset = -1;
515 if ((ok = !wine_server_call( req )))
517 old_style = reply->old_style;
518 win->dwStyle = new_style;
522 WIN_ReleasePtr( win );
523 if (ok) USER_Driver->pSetWindowStyle( hwnd, old_style );
528 /***********************************************************************
531 * Get the window and client rectangles.
533 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
535 WND *win = WIN_GetPtr( hwnd );
538 if (!win) return FALSE;
539 if (win == WND_DESKTOP)
542 rect.left = rect.top = 0;
543 rect.right = GetSystemMetrics(SM_CXSCREEN);
544 rect.bottom = GetSystemMetrics(SM_CYSCREEN);
545 if (rectWindow) *rectWindow = rect;
546 if (rectClient) *rectClient = rect;
548 else if (win == WND_OTHER_PROCESS)
550 SERVER_START_REQ( get_window_rectangles )
553 if ((ret = !wine_server_call( req )))
557 rectWindow->left = reply->window.left;
558 rectWindow->top = reply->window.top;
559 rectWindow->right = reply->window.right;
560 rectWindow->bottom = reply->window.bottom;
564 rectClient->left = reply->client.left;
565 rectClient->top = reply->client.top;
566 rectClient->right = reply->client.right;
567 rectClient->bottom = reply->client.bottom;
575 if (rectWindow) *rectWindow = win->rectWindow;
576 if (rectClient) *rectClient = win->rectClient;
577 WIN_ReleasePtr( win );
583 /***********************************************************************
586 * Destroy storage associated to a window. "Internals" p.358
588 LRESULT WIN_DestroyWindow( HWND hwnd )
592 HMENU menu = 0, sys_menu;
594 TRACE("%p\n", hwnd );
596 /* free child windows */
597 if ((list = WIN_ListChildren( hwnd )))
600 for (i = 0; list[i]; i++)
602 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
603 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
605 HeapFree( GetProcessHeap(), 0, list );
608 /* Unlink now so we won't bother with the children later on */
609 SERVER_START_REQ( set_parent )
613 wine_server_call( req );
618 * Send the WM_NCDESTROY to the window being destroyed.
620 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
622 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
624 WINPOS_CheckInternalPos( hwnd );
626 /* free resources associated with the window */
628 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
629 if (!(wndPtr->dwStyle & WS_CHILD)) 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.
646 * Return TRUE if something was done.
648 void WIN_DestroyThreadWindows( HWND hwnd )
653 if (!(list = WIN_ListChildren( hwnd ))) return;
654 for (i = 0; list[i]; i++)
656 if (WIN_IsCurrentThread( list[i] ))
657 DestroyWindow( list[i] );
659 WIN_DestroyThreadWindows( list[i] );
661 HeapFree( GetProcessHeap(), 0, list );
665 /***********************************************************************
668 * Fix the coordinates - Helper for WIN_CreateWindowEx.
669 * returns default show mode in sw.
670 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
672 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
676 if (cs->dwExStyle & WS_EX_MDICHILD)
680 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
681 if (!(cs->style & WS_POPUP)) cs->hMenu = (HMENU)id;
683 TRACE("MDI child id %04x\n", id);
686 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
687 cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
689 if (cs->style & (WS_CHILD | WS_POPUP))
691 if (cs->dwExStyle & WS_EX_MDICHILD)
693 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
698 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16 || !cs->cx)
700 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16 || !cs->cy)
705 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
707 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
711 else /* overlapped window */
715 GetStartupInfoW( &info );
717 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
719 /* Never believe Microsoft's documentation... CreateWindowEx doc says
720 * that if an overlapped window is created with WS_VISIBLE style bit
721 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
722 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
725 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
726 * 2) it does not ignore the y parameter as the docs claim; instead, it
727 * uses it as second parameter to ShowWindow() unless y is either
728 * CW_USEDEFAULT or CW_USEDEFAULT16.
730 * The fact that we didn't do 2) caused bogus windows pop up when wine
731 * was running apps that were using this obscure feature. Example -
732 * calc.exe that comes with Win98 (only Win98, it's different from
733 * the one that comes with Win95 and NT)
735 if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
736 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
737 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
740 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
742 if (info.dwFlags & STARTF_USESIZE)
744 cs->cx = info.dwXSize;
745 cs->cy = info.dwYSize;
747 else /* if no other hint from the app, pick 3/4 of the screen real estate */
750 SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
751 cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
752 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
755 /* Handle case where only the cy values is set to default */
756 else if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16)
759 SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
760 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
766 /* neither x nor cx are default. Check the y values .
767 * In the trace we see Outlook and Outlook Express using
768 * cy set to CW_USEDEFAULT when opening the address book.
770 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
772 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
773 SystemParametersInfoW( SPI_GETWORKAREA, 0, &r, 0);
774 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
779 /***********************************************************************
782 static void dump_window_styles( DWORD style, DWORD exstyle )
785 if(style & WS_POPUP) TRACE(" WS_POPUP");
786 if(style & WS_CHILD) TRACE(" WS_CHILD");
787 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
788 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
789 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
790 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
791 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
792 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
793 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
796 if(style & WS_BORDER) TRACE(" WS_BORDER");
797 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
799 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
800 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
801 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
802 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
803 if (style & WS_CHILD)
805 if(style & WS_GROUP) TRACE(" WS_GROUP");
806 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
810 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
811 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
814 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
815 #define DUMPED_STYLES \
835 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
840 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
841 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
842 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
843 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
844 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
845 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
846 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
847 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
848 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
849 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
850 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
851 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
852 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
853 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
854 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
855 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
856 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
857 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
859 #define DUMPED_EX_STYLES \
860 (WS_EX_DLGMODALFRAME | \
862 WS_EX_NOPARENTNOTIFY | \
864 WS_EX_ACCEPTFILES | \
865 WS_EX_TRANSPARENT | \
870 WS_EX_CONTEXTHELP | \
873 WS_EX_LEFTSCROLLBAR | \
874 WS_EX_CONTROLPARENT | \
879 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
881 #undef DUMPED_EX_STYLES
885 /***********************************************************************
888 * Implementation of CreateWindowEx().
890 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom, UINT flags )
894 HWND hwnd, parent, owner, top_child = 0;
895 BOOL unicode = (flags & WIN_ISUNICODE) != 0;
896 MDICREATESTRUCTA mdi_cs;
898 TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
899 unicode ? debugstr_w((LPCWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
900 unicode ? debugstr_w((LPCWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
901 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
902 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
903 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
905 /* Fix the styles for MDI children */
906 if (cs->dwExStyle & WS_EX_MDICHILD)
910 wndPtr = WIN_GetPtr(cs->hwndParent);
911 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
913 flags = wndPtr->flags;
914 WIN_ReleasePtr(wndPtr);
917 if (!(flags & WIN_ISMDICLIENT))
919 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
923 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
924 * MDICREATESTRUCT members have the originally passed values.
926 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
927 * have the same layout.
929 mdi_cs.szClass = cs->lpszClass;
930 mdi_cs.szTitle = cs->lpszName;
931 mdi_cs.hOwner = cs->hInstance;
936 mdi_cs.style = cs->style;
937 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
939 cs->lpCreateParams = (LPVOID)&mdi_cs;
941 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
943 if (cs->style & WS_POPUP)
945 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
948 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
952 cs->style &= ~WS_POPUP;
953 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
954 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
957 top_child = GetWindow(cs->hwndParent, GW_CHILD);
961 /* Restore current maximized child */
962 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
964 TRACE("Restoring current maximized child %p\n", top_child);
965 SendMessageW( top_child, WM_SETREDRAW, FALSE, 0 );
966 ShowWindow(top_child, SW_RESTORE);
967 SendMessageW( top_child, WM_SETREDRAW, TRUE, 0 );
972 /* Find the parent window */
974 parent = cs->hwndParent;
977 if (cs->hwndParent == HWND_MESSAGE)
979 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
980 * message window (style: WS_POPUP|WS_DISABLED)
982 FIXME("Parent is HWND_MESSAGE\n");
983 parent = GetDesktopWindow();
985 else if (cs->hwndParent)
987 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
989 parent = GetDesktopWindow();
990 owner = cs->hwndParent;
995 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
997 WARN("No parent for child window\n" );
998 SetLastError(ERROR_TLW_WITH_WSCHILD);
999 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1001 if (classAtom != LOWORD(DESKTOP_CLASS_ATOM)) /* are we creating the desktop itself? */
1002 parent = GetDesktopWindow();
1005 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1007 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1008 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1009 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1010 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1012 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1014 /* Create the window structure */
1016 if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, unicode )))
1018 hwnd = wndPtr->hwndSelf;
1020 /* Fill the window structure */
1022 wndPtr->tid = GetCurrentThreadId();
1023 wndPtr->hInstance = cs->hInstance;
1024 wndPtr->text = NULL;
1025 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1026 wndPtr->dwExStyle = cs->dwExStyle;
1027 wndPtr->wIDmenu = 0;
1028 wndPtr->helpContext = 0;
1029 wndPtr->pVScroll = NULL;
1030 wndPtr->pHScroll = NULL;
1031 wndPtr->userdata = 0;
1033 wndPtr->hIconSmall = 0;
1034 wndPtr->hSysMenu = 0;
1035 wndPtr->flags |= (flags & WIN_ISWIN32);
1037 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1040 * Correct the window styles.
1042 * It affects only the style loaded into the WIN structure.
1045 if (!(wndPtr->dwStyle & WS_CHILD))
1047 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1048 if (!(wndPtr->dwStyle & WS_POPUP))
1049 wndPtr->dwStyle |= WS_CAPTION;
1053 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1054 * why does the user get to set it?
1057 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1058 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1059 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1061 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1063 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1064 wndPtr->flags |= WIN_NEED_SIZE;
1066 SERVER_START_REQ( set_window_info )
1069 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE | SET_WIN_UNICODE;
1070 req->style = wndPtr->dwStyle;
1071 req->ex_style = wndPtr->dwExStyle;
1072 req->instance = (void *)wndPtr->hInstance;
1073 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1074 req->extra_offset = -1;
1075 wine_server_call( req );
1079 /* Set the window menu */
1081 if (!(wndPtr->dwStyle & WS_CHILD))
1085 if (!MENU_SetMenu(hwnd, cs->hMenu))
1087 WIN_ReleasePtr( wndPtr );
1088 free_window_handle( hwnd );
1094 LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
1097 if (!cs->hInstance || HIWORD(cs->hInstance))
1098 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1100 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1102 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1106 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1107 WIN_ReleasePtr( wndPtr );
1109 if (!USER_Driver->pCreateWindow( hwnd, cs, unicode))
1111 WIN_DestroyWindow( hwnd );
1115 /* Notify the parent window only */
1117 send_parent_notify( hwnd, WM_CREATE );
1118 if (!IsWindow( hwnd )) return 0;
1120 if (cs->style & WS_VISIBLE)
1122 if (cs->style & WS_MAXIMIZE)
1124 else if (cs->style & WS_MINIMIZE)
1125 sw = SW_SHOWMINIMIZED;
1127 ShowWindow( hwnd, sw );
1128 if (cs->dwExStyle & WS_EX_MDICHILD)
1130 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1131 /* ShowWindow won't activate child windows */
1132 SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_SHOWWINDOW | SWP_NOMOVE | SWP_NOSIZE );
1136 /* Call WH_SHELL hook */
1138 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1139 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1141 TRACE("created window %p\n", hwnd);
1146 /***********************************************************************
1147 * CreateWindow (USER.41)
1149 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1150 DWORD style, INT16 x, INT16 y, INT16 width,
1151 INT16 height, HWND16 parent, HMENU16 menu,
1152 HINSTANCE16 instance, LPVOID data )
1154 return CreateWindowEx16( 0, className, windowName, style,
1155 x, y, width, height, parent, menu, instance, data );
1159 /***********************************************************************
1160 * CreateWindowEx (USER.452)
1162 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1163 LPCSTR windowName, DWORD style, INT16 x,
1164 INT16 y, INT16 width, INT16 height,
1165 HWND16 parent, HMENU16 menu,
1166 HINSTANCE16 instance, LPVOID data )
1172 /* Find the class atom */
1174 if (HIWORD(className))
1176 if (!(classAtom = GlobalFindAtomA( className )))
1178 ERR( "bad class name %s\n", debugstr_a(className) );
1184 classAtom = LOWORD(className);
1185 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1187 ERR( "bad atom %x\n", classAtom);
1193 /* Fix the coordinates */
1195 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1196 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1197 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1198 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1200 /* Create the window */
1202 cs.lpCreateParams = data;
1203 cs.hInstance = HINSTANCE_32(instance);
1204 cs.hMenu = HMENU_32(menu);
1205 cs.hwndParent = WIN_Handle32( parent );
1207 cs.lpszName = windowName;
1208 cs.lpszClass = className;
1209 cs.dwExStyle = exStyle;
1211 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, 0 ));
1215 /***********************************************************************
1216 * CreateWindowExA (USER32.@)
1218 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1219 LPCSTR windowName, DWORD style, INT x,
1220 INT y, INT width, INT height,
1221 HWND parent, HMENU menu,
1222 HINSTANCE instance, LPVOID data )
1228 /* Find the class atom */
1230 if (HIWORD(className))
1232 if (!(classAtom = GlobalFindAtomA( className )))
1234 ERR( "bad class name %s\n", debugstr_a(className) );
1240 classAtom = LOWORD(className);
1241 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1243 ERR( "bad atom %x\n", classAtom);
1249 /* Create the window */
1251 cs.lpCreateParams = data;
1252 cs.hInstance = instance;
1254 cs.hwndParent = parent;
1260 cs.lpszName = windowName;
1261 cs.lpszClass = className;
1262 cs.dwExStyle = exStyle;
1264 return WIN_CreateWindowEx( &cs, classAtom, WIN_ISWIN32 );
1268 /***********************************************************************
1269 * CreateWindowExW (USER32.@)
1271 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1272 LPCWSTR windowName, DWORD style, INT x,
1273 INT y, INT width, INT height,
1274 HWND parent, HMENU menu,
1275 HINSTANCE instance, LPVOID data )
1281 /* Find the class atom */
1283 if (HIWORD(className))
1285 if (!(classAtom = GlobalFindAtomW( className )))
1287 ERR( "bad class name %s\n", debugstr_w(className) );
1293 classAtom = LOWORD(className);
1294 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1296 ERR( "bad atom %x\n", classAtom);
1302 /* Create the window */
1304 cs.lpCreateParams = data;
1305 cs.hInstance = instance;
1307 cs.hwndParent = parent;
1313 cs.lpszName = windowName;
1314 cs.lpszClass = className;
1315 cs.dwExStyle = exStyle;
1317 /* Note: we rely on the fact that CREATESTRUCTA and */
1318 /* CREATESTRUCTW have the same layout. */
1319 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_ISWIN32 | WIN_ISUNICODE );
1323 /***********************************************************************
1324 * WIN_SendDestroyMsg
1326 static void WIN_SendDestroyMsg( HWND hwnd )
1330 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1332 if (hwnd == info.hwndCaret) DestroyCaret();
1333 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1337 * Send the WM_DESTROY to the window.
1339 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1342 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1343 * make sure that the window still exists when we come back.
1350 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1352 for (i = 0; pWndArray[i]; i++)
1354 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1356 HeapFree( GetProcessHeap(), 0, pWndArray );
1359 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1363 /***********************************************************************
1364 * DestroyWindow (USER32.@)
1366 BOOL WINAPI DestroyWindow( HWND hwnd )
1370 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1372 SetLastError( ERROR_ACCESS_DENIED );
1376 TRACE("(%p)\n", hwnd);
1380 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1382 if (MENU_IsMenuActive() == hwnd)
1385 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1389 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1390 send_parent_notify( hwnd, WM_DESTROY );
1392 else if (!GetWindow( hwnd, GW_OWNER ))
1394 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1395 /* FIXME: clean up palette - see "Internals" p.352 */
1398 if (!IsWindow(hwnd)) return TRUE;
1400 /* Hide the window */
1401 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1403 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1405 ShowWindow( hwnd, SW_HIDE );
1407 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1408 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1411 if (!IsWindow(hwnd)) return TRUE;
1413 /* Recursively destroy owned windows */
1420 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1423 for (i = 0; list[i]; i++)
1425 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1426 if (WIN_IsCurrentThread( list[i] ))
1428 DestroyWindow( list[i] );
1432 WIN_SetOwner( list[i], 0 );
1434 HeapFree( GetProcessHeap(), 0, list );
1436 if (!got_one) break;
1440 /* Send destroy messages */
1442 WIN_SendDestroyMsg( hwnd );
1443 if (!IsWindow( hwnd )) return TRUE;
1445 if (GetClipboardOwner() == hwnd)
1446 CLIPBOARD_ReleaseOwner();
1448 /* Destroy the window storage */
1450 WIN_DestroyWindow( hwnd );
1455 /***********************************************************************
1456 * CloseWindow (USER32.@)
1458 BOOL WINAPI CloseWindow( HWND hwnd )
1460 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1461 ShowWindow( hwnd, SW_MINIMIZE );
1466 /***********************************************************************
1467 * OpenIcon (USER32.@)
1469 BOOL WINAPI OpenIcon( HWND hwnd )
1471 if (!IsIconic( hwnd )) return FALSE;
1472 ShowWindow( hwnd, SW_SHOWNORMAL );
1477 /***********************************************************************
1480 * Implementation of FindWindow() and FindWindowEx().
1482 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1487 WCHAR *buffer = NULL;
1489 if (!parent) parent = GetDesktopWindow();
1492 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1493 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1496 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1500 child = WIN_GetFullHandle( child );
1501 while (list[i] && list[i] != child) i++;
1502 if (!list[i]) goto done;
1503 i++; /* start from next window */
1510 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1517 HeapFree( GetProcessHeap(), 0, list );
1518 HeapFree( GetProcessHeap(), 0, buffer );
1524 /***********************************************************************
1525 * FindWindowA (USER32.@)
1527 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1529 HWND ret = FindWindowExA( 0, 0, className, title );
1530 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1535 /***********************************************************************
1536 * FindWindowExA (USER32.@)
1538 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1539 LPCSTR className, LPCSTR title )
1548 /* If the atom doesn't exist, then no class */
1549 /* with this name exists either. */
1550 if (!(atom = GlobalFindAtomA( className )))
1552 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1556 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1558 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1559 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1560 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1561 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1562 HeapFree( GetProcessHeap(), 0, buffer );
1567 /***********************************************************************
1568 * FindWindowExW (USER32.@)
1570 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1571 LPCWSTR className, LPCWSTR title )
1577 /* If the atom doesn't exist, then no class */
1578 /* with this name exists either. */
1579 if (!(atom = GlobalFindAtomW( className )))
1581 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1585 return WIN_FindWindow( parent, child, atom, title );
1589 /***********************************************************************
1590 * FindWindowW (USER32.@)
1592 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1594 return FindWindowExW( 0, 0, className, title );
1598 /**********************************************************************
1599 * GetDesktopWindow (USER32.@)
1601 HWND WINAPI GetDesktopWindow(void)
1603 struct user_thread_info *thread_info = get_user_thread_info();
1605 if (thread_info->desktop) return thread_info->desktop;
1607 SERVER_START_REQ( get_desktop_window )
1610 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1614 if (!thread_info->desktop)
1616 static const WCHAR command_line[] = {'\\','e','x','p','l','o','r','e','r','.','e','x','e',' ','/','d','e','s','k','t','o','p',0};
1618 PROCESS_INFORMATION pi;
1619 WCHAR cmdline[MAX_PATH + sizeof(command_line)/sizeof(WCHAR)];
1621 memset( &si, 0, sizeof(si) );
1623 GetSystemDirectoryW( cmdline, MAX_PATH );
1624 lstrcatW( cmdline, command_line );
1625 if (CreateProcessW( NULL, cmdline, NULL, NULL, FALSE, DETACHED_PROCESS,
1626 NULL, NULL, &si, &pi ))
1628 TRACE( "started explorer pid %04lx tid %04lx\n", pi.dwProcessId, pi.dwThreadId );
1629 WaitForInputIdle( pi.hProcess, 10000 );
1630 CloseHandle( pi.hThread );
1631 CloseHandle( pi.hProcess );
1634 else WARN( "failed to start explorer, err %ld\n", GetLastError() );
1636 SERVER_START_REQ( get_desktop_window )
1639 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1644 if (!thread_info->desktop || !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
1645 ERR( "failed to create desktop window\n" );
1647 return thread_info->desktop;
1651 /*******************************************************************
1652 * EnableWindow (USER32.@)
1654 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1659 if (is_broadcast(hwnd))
1661 SetLastError( ERROR_INVALID_PARAMETER );
1665 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1666 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1670 TRACE("( %p, %d )\n", hwnd, enable);
1672 retvalue = !IsWindowEnabled( hwnd );
1674 if (enable && retvalue)
1676 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1677 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1679 else if (!enable && !retvalue)
1683 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1685 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1687 if (hwnd == GetFocus())
1688 SetFocus( 0 ); /* A disabled window can't have the focus */
1690 capture_wnd = GetCapture();
1691 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1692 ReleaseCapture(); /* A disabled window can't capture the mouse */
1694 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1700 /***********************************************************************
1701 * IsWindowEnabled (USER32.@)
1703 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1705 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1709 /***********************************************************************
1710 * IsWindowUnicode (USER32.@)
1712 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1715 BOOL retvalue = FALSE;
1717 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1719 if (wndPtr == WND_DESKTOP) return TRUE;
1721 if (wndPtr != WND_OTHER_PROCESS)
1723 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1724 WIN_ReleasePtr( wndPtr );
1728 SERVER_START_REQ( get_window_info )
1731 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1739 /**********************************************************************
1742 * Helper function for GetWindowLong().
1744 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1746 LONG_PTR retvalue = 0;
1749 if (offset == GWLP_HWNDPARENT)
1751 HWND parent = GetAncestor( hwnd, GA_PARENT );
1752 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1753 return (ULONG_PTR)parent;
1756 if (!(wndPtr = WIN_GetPtr( hwnd )))
1758 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1762 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1764 if (offset == GWLP_WNDPROC)
1766 SetLastError( ERROR_ACCESS_DENIED );
1769 SERVER_START_REQ( set_window_info )
1772 req->flags = 0; /* don't set anything, just retrieve */
1773 req->extra_offset = (offset >= 0) ? offset : -1;
1774 req->extra_size = (offset >= 0) ? size : 0;
1775 if (!wine_server_call_err( req ))
1779 case GWL_STYLE: retvalue = reply->old_style; break;
1780 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1781 case GWLP_ID: retvalue = reply->old_id; break;
1782 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1783 case GWLP_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
1785 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
1786 else SetLastError( ERROR_INVALID_INDEX );
1795 /* now we have a valid wndPtr */
1799 if (offset > (int)(wndPtr->cbWndExtra - size))
1801 WARN("Invalid offset %d\n", offset );
1802 WIN_ReleasePtr( wndPtr );
1803 SetLastError( ERROR_INVALID_INDEX );
1806 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
1808 /* Special case for dialog window procedure */
1809 if ((offset == DWLP_DLGPROC) && (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1810 retvalue = (LONG_PTR)WINPROC_GetProc( (WNDPROC)retvalue, unicode );
1811 WIN_ReleasePtr( wndPtr );
1817 case GWLP_USERDATA: retvalue = wndPtr->userdata; break;
1818 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1819 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1820 case GWLP_ID: retvalue = (ULONG_PTR)wndPtr->wIDmenu; break;
1821 case GWLP_WNDPROC: retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode ); break;
1822 case GWLP_HINSTANCE: retvalue = (ULONG_PTR)wndPtr->hInstance; break;
1824 WARN("Unknown offset %d\n", offset );
1825 SetLastError( ERROR_INVALID_INDEX );
1828 WIN_ReleasePtr(wndPtr);
1833 /**********************************************************************
1836 * Helper function for SetWindowLong().
1838 * 0 is the failure code. However, in the case of failure SetLastError
1839 * must be set to distinguish between a 0 return value and a failure.
1841 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
1845 LONG_PTR retval = 0;
1848 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
1850 if (is_broadcast(hwnd))
1852 SetLastError( ERROR_INVALID_PARAMETER );
1856 if (!(wndPtr = WIN_GetPtr( hwnd )))
1858 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1861 if (wndPtr == WND_DESKTOP)
1863 /* can't change anything on the desktop window */
1864 SetLastError( ERROR_ACCESS_DENIED );
1867 if (wndPtr == WND_OTHER_PROCESS)
1869 if (offset == GWLP_WNDPROC)
1871 SetLastError( ERROR_ACCESS_DENIED );
1874 if (offset > 32767 || offset < -32767)
1876 SetLastError( ERROR_INVALID_INDEX );
1879 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
1882 /* first some special cases */
1888 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
1889 style.styleNew = newval;
1890 WIN_ReleasePtr( wndPtr );
1891 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
1892 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1893 newval = style.styleNew;
1895 case GWLP_HWNDPARENT:
1896 if (wndPtr->parent == GetDesktopWindow())
1898 WIN_ReleasePtr( wndPtr );
1899 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1903 WIN_ReleasePtr( wndPtr );
1904 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1909 UINT old_flags = wndPtr->flags;
1910 retval = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
1911 if (unicode) proc = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1912 else proc = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1913 if (proc) wndPtr->winproc = proc;
1914 if (WINPROC_IsUnicode( proc, unicode )) wndPtr->flags |= WIN_ISUNICODE;
1915 else wndPtr->flags &= ~WIN_ISUNICODE;
1916 if (!((old_flags ^ wndPtr->flags) & WIN_ISUNICODE))
1918 WIN_ReleasePtr( wndPtr );
1921 /* update is_unicode flag on the server side */
1925 case GWLP_HINSTANCE:
1929 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
1930 (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1932 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWLP_DLGPROC);
1933 retval = (ULONG_PTR)WINPROC_GetProc( *ptr, unicode );
1934 if (unicode) *ptr = WINPROC_AllocProc( NULL, (WNDPROC)newval );
1935 else *ptr = WINPROC_AllocProc( (WNDPROC)newval, NULL );
1936 WIN_ReleasePtr( wndPtr );
1941 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
1943 WARN("Invalid offset %d\n", offset );
1944 WIN_ReleasePtr( wndPtr );
1945 SetLastError( ERROR_INVALID_INDEX );
1948 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
1950 /* already set to the same value */
1951 WIN_ReleasePtr( wndPtr );
1957 SERVER_START_REQ( set_window_info )
1960 req->extra_offset = -1;
1964 req->flags = SET_WIN_STYLE;
1965 req->style = newval;
1968 req->flags = SET_WIN_EXSTYLE;
1969 req->ex_style = newval;
1972 req->flags = SET_WIN_ID;
1975 case GWLP_HINSTANCE:
1976 req->flags = SET_WIN_INSTANCE;
1977 req->instance = (void *)newval;
1980 req->flags = SET_WIN_UNICODE;
1981 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1984 req->flags = SET_WIN_USERDATA;
1985 req->user_data = (void *)newval;
1988 req->flags = SET_WIN_EXTRA;
1989 req->extra_offset = offset;
1990 req->extra_size = size;
1991 set_win_data( &req->extra_value, newval, size );
1993 if ((ok = !wine_server_call_err( req )))
1998 wndPtr->dwStyle = newval;
1999 retval = reply->old_style;
2002 wndPtr->dwExStyle = newval;
2003 retval = reply->old_ex_style;
2006 wndPtr->wIDmenu = newval;
2007 retval = reply->old_id;
2009 case GWLP_HINSTANCE:
2010 wndPtr->hInstance = (HINSTANCE)newval;
2011 retval = (ULONG_PTR)reply->old_instance;
2016 wndPtr->userdata = newval;
2017 retval = (ULONG_PTR)reply->old_user_data;
2020 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2021 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2027 WIN_ReleasePtr( wndPtr );
2031 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2033 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2034 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2040 /**********************************************************************
2041 * GetWindowLong (USER.135)
2043 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2047 BOOL is_winproc = (offset == GWLP_WNDPROC);
2051 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2053 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2056 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2058 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2061 * Some programs try to access last element from 16 bit
2062 * code using illegal offset value. Hopefully this is
2063 * what those programs really expect.
2065 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2067 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2068 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2073 WARN("Invalid offset %d\n", offset );
2074 WIN_ReleasePtr( wndPtr );
2075 SetLastError( ERROR_INVALID_INDEX );
2079 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2080 WIN_ReleasePtr( wndPtr );
2083 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2084 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2089 /**********************************************************************
2090 * GetWindowWord (USER32.@)
2092 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2097 case GWLP_HINSTANCE:
2098 case GWLP_HWNDPARENT:
2103 WARN("Invalid offset %d\n", offset );
2104 SetLastError( ERROR_INVALID_INDEX );
2109 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2113 /**********************************************************************
2114 * GetWindowLongA (USER32.@)
2116 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2118 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2122 /**********************************************************************
2123 * GetWindowLongW (USER32.@)
2125 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2127 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2131 /**********************************************************************
2132 * SetWindowLong (USER.136)
2134 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2137 BOOL is_winproc = (offset == GWLP_WNDPROC);
2139 if (offset == DWLP_DLGPROC)
2141 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2143 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2146 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2148 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2149 (wndPtr->flags & WIN_ISDIALOG));
2150 WIN_ReleasePtr( wndPtr );
2156 WNDPROC new_proc = WINPROC_AllocProc16( (WNDPROC16)newval );
2157 WNDPROC old_proc = (WNDPROC)SetWindowLongA( WIN_Handle32(hwnd), offset, (LONG_PTR)new_proc );
2158 return (LONG)WINPROC_GetProc16( (WNDPROC)old_proc, FALSE );
2160 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2164 /**********************************************************************
2165 * SetWindowWord (USER32.@)
2167 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2172 case GWLP_HINSTANCE:
2173 case GWLP_HWNDPARENT:
2178 WARN("Invalid offset %d\n", offset );
2179 SetLastError( ERROR_INVALID_INDEX );
2184 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2188 /**********************************************************************
2189 * SetWindowLongA (USER32.@)
2191 * See SetWindowLongW.
2193 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2195 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2199 /**********************************************************************
2200 * SetWindowLongW (USER32.@) Set window attribute
2202 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2203 * value in a window's extra memory.
2205 * The _hwnd_ parameter specifies the window. is the handle to a
2206 * window that has extra memory. The _newval_ parameter contains the
2207 * new attribute or extra memory value. If positive, the _offset_
2208 * parameter is the byte-addressed location in the window's extra
2209 * memory to set. If negative, _offset_ specifies the window
2210 * attribute to set, and should be one of the following values:
2212 * GWL_EXSTYLE The window's extended window style
2214 * GWL_STYLE The window's window style.
2216 * GWLP_WNDPROC Pointer to the window's window procedure.
2218 * GWLP_HINSTANCE The window's pplication instance handle.
2220 * GWLP_ID The window's identifier.
2222 * GWLP_USERDATA The window's user-specified data.
2224 * If the window is a dialog box, the _offset_ parameter can be one of
2225 * the following values:
2227 * DWLP_DLGPROC The address of the window's dialog box procedure.
2229 * DWLP_MSGRESULT The return value of a message
2230 * that the dialog box procedure processed.
2232 * DWLP_USER Application specific information.
2236 * If successful, returns the previous value located at _offset_. Otherwise,
2241 * Extra memory for a window class is specified by a nonzero cbWndExtra
2242 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2243 * time of class creation.
2245 * Using GWL_WNDPROC to set a new window procedure effectively creates
2246 * a window subclass. Use CallWindowProc() in the new windows procedure
2247 * to pass messages to the superclass's window procedure.
2249 * The user data is reserved for use by the application which created
2252 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2253 * instead, call the EnableWindow() function to change the window's
2256 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2257 * SetParent() instead.
2260 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2261 * it sends WM_STYLECHANGING before changing the settings
2262 * and WM_STYLECHANGED afterwards.
2263 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2265 LONG WINAPI SetWindowLongW(
2266 HWND hwnd, /* [in] window to alter */
2267 INT offset, /* [in] offset, in bytes, of location to alter */
2268 LONG newval /* [in] new value of location */
2270 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2274 /*******************************************************************
2275 * GetWindowTextA (USER32.@)
2277 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2281 if (!lpString) return 0;
2283 if (WIN_IsCurrentProcess( hwnd ))
2284 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2286 /* when window belongs to other process, don't send a message */
2287 if (nMaxCount <= 0) return 0;
2288 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2289 get_server_window_text( hwnd, buffer, nMaxCount );
2290 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2291 lpString[nMaxCount-1] = 0;
2292 HeapFree( GetProcessHeap(), 0, buffer );
2293 return strlen(lpString);
2297 /*******************************************************************
2298 * InternalGetWindowText (USER32.@)
2300 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2304 if (nMaxCount <= 0) return 0;
2305 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2306 if (win == WND_DESKTOP) lpString[0] = 0;
2307 else if (win != WND_OTHER_PROCESS)
2309 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2310 else lpString[0] = 0;
2311 WIN_ReleasePtr( win );
2315 get_server_window_text( hwnd, lpString, nMaxCount );
2317 return strlenW(lpString);
2321 /*******************************************************************
2322 * GetWindowTextW (USER32.@)
2324 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2326 if (!lpString) return 0;
2328 if (WIN_IsCurrentProcess( hwnd ))
2329 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2331 /* when window belongs to other process, don't send a message */
2332 if (nMaxCount <= 0) return 0;
2333 get_server_window_text( hwnd, lpString, nMaxCount );
2334 return strlenW(lpString);
2338 /*******************************************************************
2339 * SetWindowTextA (USER32.@)
2340 * SetWindowText (USER32.@)
2342 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2344 if (is_broadcast(hwnd))
2346 SetLastError( ERROR_INVALID_PARAMETER );
2349 if (!WIN_IsCurrentProcess( hwnd ))
2350 FIXME( "setting text %s of other process window %p should not use SendMessage\n",
2351 debugstr_a(lpString), hwnd );
2352 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2356 /*******************************************************************
2357 * SetWindowTextW (USER32.@)
2359 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2361 if (is_broadcast(hwnd))
2363 SetLastError( ERROR_INVALID_PARAMETER );
2366 if (!WIN_IsCurrentProcess( hwnd ))
2367 FIXME( "setting text %s of other process window %p should not use SendMessage\n",
2368 debugstr_w(lpString), hwnd );
2369 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2373 /*******************************************************************
2374 * GetWindowTextLengthA (USER32.@)
2376 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2378 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2381 /*******************************************************************
2382 * GetWindowTextLengthW (USER32.@)
2384 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2386 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2390 /*******************************************************************
2391 * IsWindow (USER32.@)
2393 BOOL WINAPI IsWindow( HWND hwnd )
2398 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2399 if (ptr == WND_DESKTOP) return TRUE;
2401 if (ptr != WND_OTHER_PROCESS)
2403 WIN_ReleasePtr( ptr );
2407 /* check other processes */
2408 SERVER_START_REQ( get_window_info )
2411 ret = !wine_server_call_err( req );
2418 /***********************************************************************
2419 * GetWindowThreadProcessId (USER32.@)
2421 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2426 if (!(ptr = WIN_GetPtr( hwnd )))
2428 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2432 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2434 /* got a valid window */
2436 if (process) *process = GetCurrentProcessId();
2437 WIN_ReleasePtr( ptr );
2441 /* check other processes */
2442 SERVER_START_REQ( get_window_info )
2445 if (!wine_server_call_err( req ))
2447 tid = (DWORD)reply->tid;
2448 if (process) *process = (DWORD)reply->pid;
2456 /*****************************************************************
2457 * GetParent (USER32.@)
2459 HWND WINAPI GetParent( HWND hwnd )
2464 if (!(wndPtr = WIN_GetPtr( hwnd )))
2466 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2469 if (wndPtr == WND_DESKTOP) return 0;
2470 if (wndPtr == WND_OTHER_PROCESS)
2472 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2473 if (style & (WS_POPUP | WS_CHILD))
2475 SERVER_START_REQ( get_window_tree )
2478 if (!wine_server_call_err( req ))
2480 if (style & WS_POPUP) retvalue = reply->owner;
2481 else if (style & WS_CHILD) retvalue = reply->parent;
2489 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2490 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2491 WIN_ReleasePtr( wndPtr );
2497 /*****************************************************************
2498 * GetAncestor (USER32.@)
2500 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2503 HWND *list, ret = 0;
2508 if (!(win = WIN_GetPtr( hwnd )))
2510 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2513 if (win == WND_DESKTOP) return 0;
2514 if (win != WND_OTHER_PROCESS)
2517 WIN_ReleasePtr( win );
2519 else /* need to query the server */
2521 SERVER_START_REQ( get_window_tree )
2524 if (!wine_server_call_err( req )) ret = reply->parent;
2531 if (!(list = list_window_parents( hwnd ))) return 0;
2533 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2537 while (list[count]) count++;
2538 ret = list[count - 2]; /* get the one before the desktop */
2540 HeapFree( GetProcessHeap(), 0, list );
2544 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2547 HWND parent = GetParent( ret );
2557 /*****************************************************************
2558 * SetParent (USER32.@)
2560 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2564 if (is_broadcast(hwnd) || is_broadcast(parent))
2566 SetLastError(ERROR_INVALID_PARAMETER);
2570 if (!parent) parent = GetDesktopWindow();
2571 else parent = WIN_GetFullHandle( parent );
2573 if (!IsWindow( parent ))
2575 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2579 /* Some applications try to set a child as a parent */
2580 if (IsChild(hwnd, parent))
2582 SetLastError( ERROR_INVALID_PARAMETER );
2586 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2587 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2589 return USER_Driver->pSetParent( full_handle, parent );
2593 /*******************************************************************
2594 * IsChild (USER32.@)
2596 BOOL WINAPI IsChild( HWND parent, HWND child )
2598 HWND *list = list_window_parents( child );
2602 if (!list) return FALSE;
2603 parent = WIN_GetFullHandle( parent );
2604 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2605 ret = (list[i] != 0);
2606 HeapFree( GetProcessHeap(), 0, list );
2611 /***********************************************************************
2612 * IsWindowVisible (USER32.@)
2614 BOOL WINAPI IsWindowVisible( HWND hwnd )
2620 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2621 if (!(list = list_window_parents( hwnd ))) return TRUE;
2622 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2624 for (i = 0; list[i+1]; i++)
2625 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2626 retval = !list[i+1];
2628 HeapFree( GetProcessHeap(), 0, list );
2633 /***********************************************************************
2634 * WIN_IsWindowDrawable
2636 * hwnd is drawable when it is visible, all parents are not
2637 * minimized, and it is itself not minimized unless we are
2638 * trying to draw its default class icon.
2640 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2645 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2647 if (!(style & WS_VISIBLE)) return FALSE;
2648 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2650 if (!(list = list_window_parents( hwnd ))) return TRUE;
2651 if (list[0] && list[1]) /* desktop window is considered always visible so we don't check it */
2653 for (i = 0; list[i+1]; i++)
2654 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2656 retval = !list[i+1];
2658 HeapFree( GetProcessHeap(), 0, list );
2663 /*******************************************************************
2664 * GetTopWindow (USER32.@)
2666 HWND WINAPI GetTopWindow( HWND hwnd )
2668 if (!hwnd) hwnd = GetDesktopWindow();
2669 return GetWindow( hwnd, GW_CHILD );
2673 /*******************************************************************
2674 * GetWindow (USER32.@)
2676 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2680 if (rel == GW_OWNER) /* this one may be available locally */
2682 WND *wndPtr = WIN_GetPtr( hwnd );
2685 SetLastError( ERROR_INVALID_HANDLE );
2688 if (wndPtr == WND_DESKTOP) return 0;
2689 if (wndPtr != WND_OTHER_PROCESS)
2691 retval = wndPtr->owner;
2692 WIN_ReleasePtr( wndPtr );
2695 /* else fall through to server call */
2698 SERVER_START_REQ( get_window_tree )
2701 if (!wine_server_call_err( req ))
2706 retval = reply->first_sibling;
2709 retval = reply->last_sibling;
2712 retval = reply->next_sibling;
2715 retval = reply->prev_sibling;
2718 retval = reply->owner;
2721 retval = reply->first_child;
2731 /*******************************************************************
2732 * ShowOwnedPopups (USER32.@)
2734 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2738 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2740 if (!win_array) return TRUE;
2742 while (win_array[count]) count++;
2743 while (--count >= 0)
2745 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2746 if (!(pWnd = WIN_GetPtr( win_array[count] ))) continue;
2747 if (pWnd == WND_OTHER_PROCESS) continue;
2750 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2752 WIN_ReleasePtr( pWnd );
2753 /* In Windows, ShowOwnedPopups(TRUE) generates
2754 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2755 * regardless of the state of the owner
2757 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2763 if (pWnd->dwStyle & WS_VISIBLE)
2765 WIN_ReleasePtr( pWnd );
2766 /* In Windows, ShowOwnedPopups(FALSE) generates
2767 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2768 * regardless of the state of the owner
2770 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2774 WIN_ReleasePtr( pWnd );
2776 HeapFree( GetProcessHeap(), 0, win_array );
2781 /*******************************************************************
2782 * GetLastActivePopup (USER32.@)
2784 HWND WINAPI GetLastActivePopup( HWND hwnd )
2788 SERVER_START_REQ( get_window_info )
2791 if (!wine_server_call_err( req )) retval = reply->last_active;
2798 /*******************************************************************
2801 * Build an array of the children of a given window. The array must be
2802 * freed with HeapFree. Returns NULL when no windows are found.
2804 HWND *WIN_ListChildren( HWND hwnd )
2806 return list_window_children( hwnd, 0, 0 );
2810 /*******************************************************************
2811 * EnumWindows (USER32.@)
2813 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2819 USER_CheckNotLock();
2821 /* We have to build a list of all windows first, to avoid */
2822 /* unpleasant side-effects, for instance if the callback */
2823 /* function changes the Z-order of the windows. */
2825 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2827 /* Now call the callback function for every window */
2829 for (i = 0; list[i]; i++)
2831 /* Make sure that the window still exists */
2832 if (!IsWindow( list[i] )) continue;
2833 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2835 HeapFree( GetProcessHeap(), 0, list );
2840 /**********************************************************************
2841 * EnumThreadWindows (USER32.@)
2843 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2848 USER_CheckNotLock();
2850 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2852 /* Now call the callback function for every window */
2854 for (i = 0; list[i]; i++)
2855 if (!func( list[i], lParam )) break;
2856 HeapFree( GetProcessHeap(), 0, list );
2861 /**********************************************************************
2862 * WIN_EnumChildWindows
2864 * Helper function for EnumChildWindows().
2866 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2871 for ( ; *list; list++)
2873 /* Make sure that the window still exists */
2874 if (!IsWindow( *list )) continue;
2875 /* Build children list first */
2876 childList = WIN_ListChildren( *list );
2878 ret = func( *list, lParam );
2882 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2883 HeapFree( GetProcessHeap(), 0, childList );
2885 if (!ret) return FALSE;
2891 /**********************************************************************
2892 * EnumChildWindows (USER32.@)
2894 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2899 USER_CheckNotLock();
2901 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2902 ret = WIN_EnumChildWindows( list, func, lParam );
2903 HeapFree( GetProcessHeap(), 0, list );
2908 /*******************************************************************
2909 * AnyPopup (USER.52)
2911 BOOL16 WINAPI AnyPopup16(void)
2917 /*******************************************************************
2918 * AnyPopup (USER32.@)
2920 BOOL WINAPI AnyPopup(void)
2924 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2926 if (!list) return FALSE;
2927 for (i = 0; list[i]; i++)
2929 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2931 retvalue = (list[i] != 0);
2932 HeapFree( GetProcessHeap(), 0, list );
2937 /*******************************************************************
2938 * FlashWindow (USER32.@)
2940 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2944 TRACE("%p\n", hWnd);
2946 if (IsIconic( hWnd ))
2948 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2950 wndPtr = WIN_GetPtr(hWnd);
2951 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2952 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2954 wndPtr->flags |= WIN_NCACTIVATED;
2958 wndPtr->flags &= ~WIN_NCACTIVATED;
2960 WIN_ReleasePtr( wndPtr );
2967 wndPtr = WIN_GetPtr(hWnd);
2968 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2969 hWnd = wndPtr->hwndSelf; /* make it a full handle */
2971 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2972 else wparam = (hWnd == GetForegroundWindow());
2974 WIN_ReleasePtr( wndPtr );
2975 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2980 /*******************************************************************
2981 * FlashWindowEx (USER32.@)
2983 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
2985 FIXME("%p\n", pfwi);
2989 /*******************************************************************
2990 * GetWindowContextHelpId (USER32.@)
2992 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
2995 WND *wnd = WIN_GetPtr( hwnd );
2996 if (!wnd || wnd == WND_DESKTOP) return 0;
2997 if (wnd == WND_OTHER_PROCESS)
2999 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3002 retval = wnd->helpContext;
3003 WIN_ReleasePtr( wnd );
3008 /*******************************************************************
3009 * SetWindowContextHelpId (USER32.@)
3011 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3013 WND *wnd = WIN_GetPtr( hwnd );
3014 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3015 if (wnd == WND_OTHER_PROCESS)
3017 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3020 wnd->helpContext = id;
3021 WIN_ReleasePtr( wnd );
3026 /*******************************************************************
3027 * DragDetect (USER32.@)
3029 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3033 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3034 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3036 rect.left = pt.x - wDragWidth;
3037 rect.right = pt.x + wDragWidth;
3039 rect.top = pt.y - wDragHeight;
3040 rect.bottom = pt.y + wDragHeight;
3046 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3048 if( msg.message == WM_LBUTTONUP )
3053 if( msg.message == WM_MOUSEMOVE )
3056 tmp.x = LOWORD(msg.lParam);
3057 tmp.y = HIWORD(msg.lParam);
3058 if( !PtInRect( &rect, tmp ))
3070 /******************************************************************************
3071 * GetWindowModuleFileNameA (USER32.@)
3073 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3075 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3076 hwnd, lpszFileName, cchFileNameMax);
3080 /******************************************************************************
3081 * GetWindowModuleFileNameW (USER32.@)
3083 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3085 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3086 hwnd, lpszFileName, cchFileNameMax);
3090 /******************************************************************************
3091 * GetWindowInfo (USER32.@)
3093 * Note: tests show that Windows doesn't check cbSize of the structure.
3095 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3097 if (!pwi) return FALSE;
3098 if (!IsWindow(hwnd)) return FALSE;
3100 GetWindowRect(hwnd, &pwi->rcWindow);
3101 GetClientRect(hwnd, &pwi->rcClient);
3102 /* translate to screen coordinates */
3103 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3105 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3106 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3107 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3109 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3110 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3112 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3113 pwi->wCreatorVersion = 0x0400;
3118 /******************************************************************************
3119 * SwitchDesktop (USER32.@)
3121 * NOTES: Sets the current input or interactive desktop.
3123 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3125 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3129 /*****************************************************************************
3130 * SetLayeredWindowAttributes (USER32.@)
3132 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3133 BYTE bAlpha, DWORD dwFlags )
3135 FIXME("(%p,0x%.8lx,%d,%ld): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3139 /*****************************************************************************
3140 * UpdateLayeredWindow (USER32.@)
3142 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3143 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3146 FIXME("(%p,%p,%p,%p,%p,%p,0x%08lx,%p,%ld): stub!\n",
3147 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3151 /* 64bit versions */
3153 #ifdef GetWindowLongPtrW
3154 #undef GetWindowLongPtrW
3157 #ifdef GetWindowLongPtrA
3158 #undef GetWindowLongPtrA
3161 #ifdef SetWindowLongPtrW
3162 #undef SetWindowLongPtrW
3165 #ifdef SetWindowLongPtrA
3166 #undef SetWindowLongPtrA
3169 /*****************************************************************************
3170 * GetWindowLongPtrW (USER32.@)
3172 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3174 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3177 /*****************************************************************************
3178 * GetWindowLongPtrA (USER32.@)
3180 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3182 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3185 /*****************************************************************************
3186 * SetWindowLongPtrW (USER32.@)
3188 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3190 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3193 /*****************************************************************************
3194 * SetWindowLongPtrA (USER32.@)
3196 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3198 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );