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push ad05fa8ea86b4a1581adad6c24ad723042d385d2
[wine/hacks.git] / dlls / user32 / win.c
blobf6f05121917f98b069b36954ea72f2ab202aff15
1 /*
2 * Window related functions
3 *
4 * Copyright 1993, 1994 Alexandre Julliard
5 *
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.
10 *
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.
15 *
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
19 */
20
21 #include "config.h"
22 #include "wine/port.h"
23
24 #include <assert.h>
25 #include <stdarg.h>
26 #include <stdlib.h>
27 #include <string.h>
28 #include "windef.h"
29 #include "winbase.h"
30 #include "wine/winbase16.h"
31 #include "wine/winuser16.h"
32 #include "wownt32.h"
33 #include "wine/server.h"
34 #include "wine/unicode.h"
35 #include "win.h"
36 #include "user_private.h"
37 #include "controls.h"
38 #include "winerror.h"
39 #include "wine/debug.h"
40
41 WINE_DEFAULT_DEBUG_CHANNEL(win);
42
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)
45
46 /**********************************************************************/
47
48 /* helper for Get/SetWindowLong */
49 static inline LONG_PTR get_win_data( const void *ptr, UINT size )
50 {
51 if (size == sizeof(WORD))
52 {
53 WORD ret;
54 memcpy( &ret, ptr, sizeof(ret) );
55 return ret;
56 }
57 else if (size == sizeof(DWORD))
58 {
59 DWORD ret;
60 memcpy( &ret, ptr, sizeof(ret) );
61 return ret;
62 }
63 else
64 {
65 LONG_PTR ret;
66 memcpy( &ret, ptr, sizeof(ret) );
67 return ret;
68 }
69 }
70
71 /* helper for Get/SetWindowLong */
72 static inline void set_win_data( void *ptr, LONG_PTR val, UINT size )
73 {
74 if (size == sizeof(WORD))
75 {
76 WORD newval = val;
77 memcpy( ptr, &newval, sizeof(newval) );
78 }
79 else if (size == sizeof(DWORD))
80 {
81 DWORD newval = val;
82 memcpy( ptr, &newval, sizeof(newval) );
83 }
84 else
85 {
86 memcpy( ptr, &val, sizeof(val) );
87 }
88 }
89
90
91 static void *user_handles[NB_USER_HANDLES];
92
93 /***********************************************************************
94 * create_window_handle
95 *
96 * Create a window handle with the server.
97 */
98 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
99 HINSTANCE instance, BOOL unicode )
100 {
101 WORD index;
102 WND *win;
103 HWND full_parent = 0, full_owner = 0;
104 struct tagCLASS *class = NULL;
105 user_handle_t handle = 0;
106 int extra_bytes = 0;
107
108 /* if 16-bit instance, map to module handle */
109 if (instance && !HIWORD(instance))
110 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
111
112 SERVER_START_REQ( create_window )
113 {
114 req->parent = parent;
115 req->owner = owner;
116 req->atom = atom;
117 req->instance = instance;
118 if (!wine_server_call_err( req ))
119 {
120 handle = reply->handle;
121 full_parent = reply->parent;
122 full_owner = reply->owner;
123 extra_bytes = reply->extra;
124 class = reply->class_ptr;
125 }
126 }
127 SERVER_END_REQ;
128
129 if (!handle)
130 {
131 WARN( "error %d creating window\n", GetLastError() );
132 return NULL;
133 }
134
135 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
136 {
137 SERVER_START_REQ( destroy_window )
138 {
139 req->handle = handle;
140 wine_server_call( req );
141 }
142 SERVER_END_REQ;
143 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
144 return NULL;
145 }
146
147 if (!parent) /* if parent is 0 we don't have a desktop window yet */
148 {
149 struct user_thread_info *thread_info = get_user_thread_info();
150
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" );
155 }
156
157 USER_Lock();
158
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;
166 win->flags = 0;
167 win->cbWndExtra = extra_bytes;
168 memset( win->wExtra, 0, extra_bytes );
169 CLASS_AddWindow( class, win, unicode );
170 return win;
171 }
172
173
174 /***********************************************************************
175 * free_window_handle
176 *
177 * Free a window handle.
178 */
179 static WND *free_window_handle( HWND hwnd )
180 {
181 WND *ptr;
182 WORD index = USER_HANDLE_TO_INDEX(hwnd);
183
184 if (index >= NB_USER_HANDLES) return NULL;
185 USER_Lock();
186 if ((ptr = user_handles[index]))
187 {
188 SERVER_START_REQ( destroy_window )
189 {
190 req->handle = hwnd;
191 if (!wine_server_call_err( req ))
192 {
193 user_handles[index] = NULL;
194 ptr->dwMagic = 0;
195 }
196 else
197 ptr = NULL;
198 }
199 SERVER_END_REQ;
200 }
201 USER_Unlock();
202 HeapFree( GetProcessHeap(), 0, ptr );
203 return ptr;
204 }
205
206
207 /*******************************************************************
208 * list_window_children
209 *
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.
212 */
213 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
214 {
215 HWND *list;
216 int size = 32;
217
218 for (;;)
219 {
220 int count = 0;
221
222 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
223
224 SERVER_START_REQ( get_window_children )
225 {
226 req->parent = hwnd;
227 req->atom = atom;
228 req->tid = tid;
229 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
230 if (!wine_server_call( req )) count = reply->count;
231 }
232 SERVER_END_REQ;
233 if (count && count < size)
234 {
235 list[count] = 0;
236 return list;
237 }
238 HeapFree( GetProcessHeap(), 0, list );
239 if (!count) break;
240 size = count + 1; /* restart with a large enough buffer */
241 }
242 return NULL;
243 }
244
245
246 /*******************************************************************
247 * list_window_parents
248 *
249 * Build an array of all parents of a given window, starting with
250 * the immediate parent. The array must be freed with HeapFree.
251 */
252 static HWND *list_window_parents( HWND hwnd )
253 {
254 WND *win;
255 HWND current, *list;
256 int pos = 0, size = 16, count = 0;
257
258 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
259
260 current = hwnd;
261 for (;;)
262 {
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)
266 {
267 if (!pos) goto empty;
268 list[pos] = 0;
269 return list;
270 }
271 list[pos] = current = win->parent;
272 WIN_ReleasePtr( win );
273 if (++pos == size - 1)
274 {
275 /* need to grow the list */
276 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
277 if (!new_list) goto empty;
278 list = new_list;
279 size += 16;
280 }
281 }
282
283 /* at least one parent belongs to another process, have to query the server */
284
285 for (;;)
286 {
287 count = 0;
288 SERVER_START_REQ( get_window_parents )
289 {
290 req->handle = hwnd;
291 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
292 if (!wine_server_call( req )) count = reply->count;
293 }
294 SERVER_END_REQ;
295 if (!count) goto empty;
296 if (size > count)
297 {
298 list[count] = 0;
299 return list;
300 }
301 HeapFree( GetProcessHeap(), 0, list );
302 size = count + 1;
303 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
304 }
305
306 empty:
307 HeapFree( GetProcessHeap(), 0, list );
308 return NULL;
309 }
310
311
312 /*******************************************************************
313 * send_parent_notify
314 */
315 static void send_parent_notify( HWND hwnd, UINT msg )
316 {
317 if ((GetWindowLongW( hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD &&
318 !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY))
319 {
320 HWND parent = GetParent(hwnd);
321 if (parent && parent != GetDesktopWindow())
322 SendMessageW( parent, WM_PARENTNOTIFY,
323 MAKEWPARAM( msg, GetWindowLongPtrW( hwnd, GWLP_ID )), (LPARAM)hwnd );
324 }
325 }
326
327
328 /*******************************************************************
329 * get_server_window_text
330 *
331 * Retrieve the window text from the server.
332 */
333 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
334 {
335 size_t len = 0;
336
337 SERVER_START_REQ( get_window_text )
338 {
339 req->handle = hwnd;
340 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
341 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
342 }
343 SERVER_END_REQ;
344 text[len / sizeof(WCHAR)] = 0;
345 }
346
347
348 /***********************************************************************
349 * WIN_GetPtr
350 *
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.
354 */
355 WND *WIN_GetPtr( HWND hwnd )
356 {
357 WND * ptr;
358 WORD index = USER_HANDLE_TO_INDEX(hwnd);
359
360 if (index >= NB_USER_HANDLES) return NULL;
361
362 USER_Lock();
363 if ((ptr = user_handles[index]))
364 {
365 if (ptr->dwMagic == WND_MAGIC &&
366 (hwnd == ptr->hwndSelf || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff))
367 return ptr;
368 ptr = NULL;
369 }
370 else if (index == USER_HANDLE_TO_INDEX(GetDesktopWindow()))
371 {
372 if (hwnd == GetDesktopWindow() || !HIWORD(hwnd) || HIWORD(hwnd) == 0xffff) ptr = WND_DESKTOP;
373 else ptr = NULL;
374 }
375 else ptr = WND_OTHER_PROCESS;
376 USER_Unlock();
377 return ptr;
378 }
379
380
381 /***********************************************************************
382 * WIN_IsCurrentProcess
383 *
384 * Check whether a given window belongs to the current process (and return the full handle).
385 */
386 HWND WIN_IsCurrentProcess( HWND hwnd )
387 {
388 WND *ptr;
389 HWND ret;
390
391 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS || ptr == WND_DESKTOP) return 0;
392 ret = ptr->hwndSelf;
393 WIN_ReleasePtr( ptr );
394 return ret;
395 }
396
397
398 /***********************************************************************
399 * WIN_IsCurrentThread
400 *
401 * Check whether a given window belongs to the current thread (and return the full handle).
402 */
403 HWND WIN_IsCurrentThread( HWND hwnd )
404 {
405 WND *ptr;
406 HWND ret = 0;
407
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 );
411 return ret;
412 }
413
414
415 /***********************************************************************
416 * WIN_Handle32
417 *
418 * Convert a 16-bit window handle to a full 32-bit handle.
419 */
420 HWND WIN_Handle32( HWND16 hwnd16 )
421 {
422 WND *ptr;
423 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
424
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;
428
429 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
430
431 if (ptr == WND_DESKTOP) return GetDesktopWindow();
432
433 if (ptr != WND_OTHER_PROCESS)
434 {
435 hwnd = ptr->hwndSelf;
436 WIN_ReleasePtr( ptr );
437 }
438 else /* may belong to another process */
439 {
440 SERVER_START_REQ( get_window_info )
441 {
442 req->handle = hwnd;
443 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
444 }
445 SERVER_END_REQ;
446 }
447 return hwnd;
448 }
449
450
451 /***********************************************************************
452 * WIN_SetOwner
453 *
454 * Change the owner of a window.
455 */
456 HWND WIN_SetOwner( HWND hwnd, HWND owner )
457 {
458 WND *win = WIN_GetPtr( hwnd );
459 HWND ret = 0;
460
461 if (!win || win == WND_DESKTOP) return 0;
462 if (win == WND_OTHER_PROCESS)
463 {
464 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
465 return 0;
466 }
467 SERVER_START_REQ( set_window_owner )
468 {
469 req->handle = hwnd;
470 req->owner = owner;
471 if (!wine_server_call( req ))
472 {
473 win->owner = reply->full_owner;
474 ret = reply->prev_owner;
475 }
476 }
477 SERVER_END_REQ;
478 WIN_ReleasePtr( win );
479 return ret;
480 }
481
482
483 /***********************************************************************
484 * WIN_SetStyle
485 *
486 * Change the style of a window.
487 */
488 ULONG WIN_SetStyle( HWND hwnd, ULONG set_bits, ULONG clear_bits )
489 {
490 BOOL ok;
491 ULONG new_style, old_style = 0;
492 WND *win = WIN_GetPtr( hwnd );
493
494 if (!win || win == WND_DESKTOP) return 0;
495 if (win == WND_OTHER_PROCESS)
496 {
497 if (IsWindow(hwnd))
498 ERR( "cannot set style %x/%x on other process window %p\n",
499 set_bits, clear_bits, hwnd );
500 return 0;
501 }
502 new_style = (win->dwStyle | set_bits) & ~clear_bits;
503 if (new_style == win->dwStyle)
504 {
505 WIN_ReleasePtr( win );
506 return new_style;
507 }
508 SERVER_START_REQ( set_window_info )
509 {
510 req->handle = hwnd;
511 req->flags = SET_WIN_STYLE;
512 req->style = new_style;
513 req->extra_offset = -1;
514 if ((ok = !wine_server_call( req )))
515 {
516 old_style = reply->old_style;
517 win->dwStyle = new_style;
518 }
519 }
520 SERVER_END_REQ;
521 WIN_ReleasePtr( win );
522 if (ok) USER_Driver->pSetWindowStyle( hwnd, old_style );
523 return old_style;
524 }
525
526
527 /***********************************************************************
528 * WIN_GetRectangles
529 *
530 * Get the window and client rectangles.
531 */
532 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
533 {
534 WND *win = WIN_GetPtr( hwnd );
535 BOOL ret = TRUE;
536
537 if (!win) return FALSE;
538 if (win == WND_DESKTOP)
539 {
540 RECT rect;
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;
546 }
547 else if (win == WND_OTHER_PROCESS)
548 {
549 SERVER_START_REQ( get_window_rectangles )
550 {
551 req->handle = hwnd;
552 if ((ret = !wine_server_call( req )))
553 {
554 if (rectWindow)
555 {
556 rectWindow->left = reply->window.left;
557 rectWindow->top = reply->window.top;
558 rectWindow->right = reply->window.right;
559 rectWindow->bottom = reply->window.bottom;
560 }
561 if (rectClient)
562 {
563 rectClient->left = reply->client.left;
564 rectClient->top = reply->client.top;
565 rectClient->right = reply->client.right;
566 rectClient->bottom = reply->client.bottom;
567 }
568 }
569 }
570 SERVER_END_REQ;
571 }
572 else
573 {
574 if (rectWindow) *rectWindow = win->rectWindow;
575 if (rectClient) *rectClient = win->rectClient;
576 WIN_ReleasePtr( win );
577 }
578 return ret;
579 }
580
581
582 /***********************************************************************
583 * WIN_DestroyWindow
584 *
585 * Destroy storage associated to a window. "Internals" p.358
586 */
587 LRESULT WIN_DestroyWindow( HWND hwnd )
588 {
589 WND *wndPtr;
590 HWND *list;
591 HMENU menu = 0, sys_menu;
592
593 TRACE("%p\n", hwnd );
594
595 /* free child windows */
596 if ((list = WIN_ListChildren( hwnd )))
597 {
598 int i;
599 for (i = 0; list[i]; i++)
600 {
601 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
602 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
603 }
604 HeapFree( GetProcessHeap(), 0, list );
605 }
606
607 /* Unlink now so we won't bother with the children later on */
608 SERVER_START_REQ( set_parent )
609 {
610 req->handle = hwnd;
611 req->parent = 0;
612 wine_server_call( req );
613 }
614 SERVER_END_REQ;
615
616 /*
617 * Send the WM_NCDESTROY to the window being destroyed.
618 */
619 SendMessageW( hwnd, WM_NCDESTROY, 0, 0 );
620
621 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
622
623 WINPOS_CheckInternalPos( hwnd );
624
625 /* free resources associated with the window */
626
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 );
632
633 if (menu) DestroyMenu( menu );
634 if (sys_menu) DestroyMenu( sys_menu );
635
636 USER_Driver->pDestroyWindow( hwnd );
637
638 free_window_handle( hwnd );
639 return 0;
640 }
641
642 /***********************************************************************
643 * WIN_DestroyThreadWindows
644 *
645 * Destroy all children of 'wnd' owned by the current thread.
646 */
647 void WIN_DestroyThreadWindows( HWND hwnd )
648 {
649 HWND *list;
650 int i;
651
652 if (!(list = WIN_ListChildren( hwnd ))) return;
653 for (i = 0; list[i]; i++)
654 {
655 if (WIN_IsCurrentThread( list[i] ))
656 DestroyWindow( list[i] );
657 else
658 WIN_DestroyThreadWindows( list[i] );
659 }
660 HeapFree( GetProcessHeap(), 0, list );
661 }
662
663
664 /***********************************************************************
665 * WIN_FixCoordinates
666 *
667 * Fix the coordinates - Helper for WIN_CreateWindowEx.
668 * returns default show mode in sw.
669 */
670 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
671 {
672 #define IS_DEFAULT(x) ((x) == CW_USEDEFAULT || (x) == CW_USEDEFAULT16)
673 POINT pos[2];
674
675 if (cs->dwExStyle & WS_EX_MDICHILD)
676 {
677 UINT id = 0;
678
679 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0, &id);
680 if (!(cs->style & WS_POPUP)) cs->hMenu = ULongToHandle(id);
681
682 TRACE("MDI child id %04x\n", id);
683 }
684
685 if (cs->style & (WS_CHILD | WS_POPUP))
686 {
687 if (cs->dwExStyle & WS_EX_MDICHILD)
688 {
689 if (IS_DEFAULT(cs->x))
690 {
691 cs->x = pos[0].x;
692 cs->y = pos[0].y;
693 }
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;
696 }
697 else
698 {
699 if (IS_DEFAULT(cs->x)) cs->x = cs->y = 0;
700 if (IS_DEFAULT(cs->cx)) cs->cx = cs->cy = 0;
701 }
702 }
703 else /* overlapped window */
704 {
705 HMONITOR monitor;
706 MONITORINFO mon_info;
707 STARTUPINFOW info;
708
709 if (!IS_DEFAULT(cs->x) && !IS_DEFAULT(cs->cx) && !IS_DEFAULT(cs->cy)) return;
710
711 monitor = MonitorFromWindow( cs->hwndParent, MONITOR_DEFAULTTOPRIMARY );
712 mon_info.cbSize = sizeof(mon_info);
713 GetMonitorInfoW( monitor, &mon_info );
714 GetStartupInfoW( &info );
715
716 if (IS_DEFAULT(cs->x))
717 {
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;
721 }
722
723 if (IS_DEFAULT(cs->cx))
724 {
725 if (info.dwFlags & STARTF_USESIZE)
726 {
727 cs->cx = info.dwXSize;
728 cs->cy = info.dwYSize;
729 }
730 else
731 {
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;
734 }
735 }
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.
739 */
740 else if (IS_DEFAULT(cs->cy))
741 {
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;
744 }
745 }
746 #undef IS_DEFAULT
747 }
748
749 /***********************************************************************
750 * dump_window_styles
751 */
752 static void dump_window_styles( DWORD style, DWORD exstyle )
753 {
754 TRACE( "style:" );
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");
764 else
765 {
766 if(style & WS_BORDER) TRACE(" WS_BORDER");
767 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
768 }
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)
774 {
775 if(style & WS_GROUP) TRACE(" WS_GROUP");
776 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
777 }
778 else
779 {
780 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
781 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
782 }
783
784 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
785 #define DUMPED_STYLES \
786 (WS_POPUP | \
787 WS_CHILD | \
788 WS_MINIMIZE | \
789 WS_VISIBLE | \
790 WS_DISABLED | \
791 WS_CLIPSIBLINGS | \
792 WS_CLIPCHILDREN | \
793 WS_MAXIMIZE | \
794 WS_BORDER | \
795 WS_DLGFRAME | \
796 WS_VSCROLL | \
797 WS_HSCROLL | \
798 WS_SYSMENU | \
799 WS_THICKFRAME | \
800 WS_GROUP | \
801 WS_TABSTOP | \
802 WS_MINIMIZEBOX | \
803 WS_MAXIMIZEBOX)
804
805 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
806 TRACE("\n");
807 #undef DUMPED_STYLES
808
809 TRACE( "exstyle:" );
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");
828
829 #define DUMPED_EX_STYLES \
830 (WS_EX_DLGMODALFRAME | \
831 WS_EX_DRAGDETECT | \
832 WS_EX_NOPARENTNOTIFY | \
833 WS_EX_TOPMOST | \
834 WS_EX_ACCEPTFILES | \
835 WS_EX_TRANSPARENT | \
836 WS_EX_MDICHILD | \
837 WS_EX_TOOLWINDOW | \
838 WS_EX_WINDOWEDGE | \
839 WS_EX_CLIENTEDGE | \
840 WS_EX_CONTEXTHELP | \
841 WS_EX_RIGHT | \
842 WS_EX_RTLREADING | \
843 WS_EX_LEFTSCROLLBAR | \
844 WS_EX_CONTROLPARENT | \
845 WS_EX_STATICEDGE | \
846 WS_EX_APPWINDOW | \
847 WS_EX_LAYERED)
848
849 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
850 TRACE("\n");
851 #undef DUMPED_EX_STYLES
852 }
853
854
855 /***********************************************************************
856 * WIN_CreateWindowEx
857 *
858 * Implementation of CreateWindowEx().
859 */
860 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom, UINT flags )
861 {
862 INT sw = SW_SHOW;
863 WND *wndPtr;
864 HWND hwnd, parent, owner, top_child = 0;
865 BOOL unicode = (flags & WIN_ISUNICODE) != 0;
866 MDICREATESTRUCTA mdi_cs;
867
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 );
874
875 /* Fix the styles for MDI children */
876 if (cs->dwExStyle & WS_EX_MDICHILD)
877 {
878 UINT flags = 0;
879
880 wndPtr = WIN_GetPtr(cs->hwndParent);
881 if (wndPtr && wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
882 {
883 flags = wndPtr->flags;
884 WIN_ReleasePtr(wndPtr);
885 }
886
887 if (!(flags & WIN_ISMDICLIENT))
888 {
889 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
890 return 0;
891 }
892
893 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
894 * MDICREATESTRUCT members have the originally passed values.
895 *
896 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
897 * have the same layout.
898 */
899 mdi_cs.szClass = cs->lpszClass;
900 mdi_cs.szTitle = cs->lpszName;
901 mdi_cs.hOwner = cs->hInstance;
902 mdi_cs.x = cs->x;
903 mdi_cs.y = cs->y;
904 mdi_cs.cx = cs->cx;
905 mdi_cs.cy = cs->cy;
906 mdi_cs.style = cs->style;
907 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
908
909 cs->lpCreateParams = (LPVOID)&mdi_cs;
910
911 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
912 {
913 if (cs->style & WS_POPUP)
914 {
915 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
916 return 0;
917 }
918 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
919 }
920 else
921 {
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;
925 }
926
927 top_child = GetWindow(cs->hwndParent, GW_CHILD);
928
929 if (top_child)
930 {
931 /* Restore current maximized child */
932 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
933 {
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 );
938 }
939 }
940 }
941
942 /* Find the parent window */
943
944 parent = cs->hwndParent;
945 owner = 0;
946
947 if (cs->hwndParent == HWND_MESSAGE)
948 {
949 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
950 * message window (style: WS_POPUP|WS_DISABLED)
951 */
952 FIXME("Parent is HWND_MESSAGE\n");
953 parent = GetDesktopWindow();
954 }
955 else if (cs->hwndParent)
956 {
957 if ((cs->style & (WS_CHILD|WS_POPUP)) != WS_CHILD)
958 {
959 parent = GetDesktopWindow();
960 owner = cs->hwndParent;
961 }
962 }
963 else
964 {
965 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
966 {
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 */
970 }
971 if (classAtom != LOWORD(DESKTOP_CLASS_ATOM)) /* are we creating the desktop itself? */
972 parent = GetDesktopWindow();
973 }
974
975 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
976
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;
981 else
982 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
983
984 /* Create the window structure */
985
986 if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, unicode )))
987 return 0;
988 hwnd = wndPtr->hwndSelf;
989
990 /* Fill the window structure */
991
992 wndPtr->tid = GetCurrentThreadId();
993 wndPtr->hInstance = cs->hInstance;
994 wndPtr->text = NULL;
995 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
996 wndPtr->dwExStyle = cs->dwExStyle;
997 wndPtr->wIDmenu = 0;
998 wndPtr->helpContext = 0;
999 wndPtr->pVScroll = NULL;
1000 wndPtr->pHScroll = NULL;
1001 wndPtr->userdata = 0;
1002 wndPtr->hIcon = 0;
1003 wndPtr->hIconSmall = 0;
1004 wndPtr->hSysMenu = 0;
1005 wndPtr->flags |= (flags & WIN_ISWIN32);
1006
1007 if (wndPtr->dwStyle & WS_SYSMENU) SetSystemMenu( hwnd, 0 );
1008
1009 /*
1010 * Correct the window styles.
1011 *
1012 * It affects only the style loaded into the WIN structure.
1013 */
1014
1015 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1016 {
1017 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1018 if (!(wndPtr->dwStyle & WS_POPUP))
1019 wndPtr->dwStyle |= WS_CAPTION;
1020 }
1021
1022 /*
1023 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1024 * why does the user get to set it?
1025 */
1026
1027 if ((wndPtr->dwExStyle & WS_EX_DLGMODALFRAME) ||
1028 (wndPtr->dwStyle & (WS_DLGFRAME | WS_THICKFRAME)))
1029 wndPtr->dwExStyle |= WS_EX_WINDOWEDGE;
1030 else
1031 wndPtr->dwExStyle &= ~WS_EX_WINDOWEDGE;
1032
1033 if (!(wndPtr->dwStyle & (WS_CHILD | WS_POPUP)))
1034 wndPtr->flags |= WIN_NEED_SIZE;
1035
1036 SERVER_START_REQ( set_window_info )
1037 {
1038 req->handle = hwnd;
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 );
1046 }
1047 SERVER_END_REQ;
1048
1049 /* Set the window menu */
1050
1051 if ((wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) != WS_CHILD)
1052 {
1053 if (cs->hMenu)
1054 {
1055 if (!MENU_SetMenu(hwnd, cs->hMenu))
1056 {
1057 WIN_ReleasePtr( wndPtr );
1058 free_window_handle( hwnd );
1059 return 0;
1060 }
1061 }
1062 else
1063 {
1064 LPCSTR menuName = (LPCSTR)GetClassLongPtrA( hwnd, GCLP_MENUNAME );
1065 if (menuName)
1066 {
1067 if (!cs->hInstance || HIWORD(cs->hInstance))
1068 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1069 else
1070 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1071
1072 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1073 }
1074 }
1075 }
1076 else SetWindowLongPtrW( hwnd, GWLP_ID, (ULONG_PTR)cs->hMenu );
1077 WIN_ReleasePtr( wndPtr );
1078
1079 if (!USER_Driver->pCreateWindow( hwnd, cs, unicode))
1080 {
1081 WIN_DestroyWindow( hwnd );
1082 return 0;
1083 }
1084
1085 /* Notify the parent window only */
1086
1087 send_parent_notify( hwnd, WM_CREATE );
1088 if (!IsWindow( hwnd )) return 0;
1089
1090 if (cs->style & WS_VISIBLE)
1091 {
1092 if (cs->style & WS_MAXIMIZE)
1093 sw = SW_SHOW;
1094 else if (cs->style & WS_MINIMIZE)
1095 sw = SW_SHOWMINIMIZED;
1096
1097 ShowWindow( hwnd, sw );
1098 if (cs->dwExStyle & WS_EX_MDICHILD)
1099 {
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 );
1103 }
1104 }
1105
1106 /* Call WH_SHELL hook */
1107
1108 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1109 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1110
1111 TRACE("created window %p\n", hwnd);
1112 return hwnd;
1113 }
1114
1115
1116 /***********************************************************************
1117 * CreateWindow (USER.41)
1118 */
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 )
1123 {
1124 return CreateWindowEx16( 0, className, windowName, style,
1125 x, y, width, height, parent, menu, instance, data );
1126 }
1127
1128
1129 /***********************************************************************
1130 * CreateWindowEx (USER.452)
1131 */
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 )
1137 {
1138 ATOM classAtom;
1139 CREATESTRUCTA cs;
1140 char buffer[256];
1141
1142 /* Find the class atom */
1143
1144 if (HIWORD(className))
1145 {
1146 if (!(classAtom = GlobalFindAtomA( className )))
1147 {
1148 ERR( "bad class name %s\n", debugstr_a(className) );
1149 return 0;
1150 }
1151 }
1152 else
1153 {
1154 classAtom = LOWORD(className);
1155 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1156 {
1157 ERR( "bad atom %x\n", classAtom);
1158 return 0;
1159 }
1160 className = buffer;
1161 }
1162
1163 /* Fix the coordinates */
1164
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;
1169
1170 /* Create the window */
1171
1172 cs.lpCreateParams = data;
1173 cs.hInstance = HINSTANCE_32(instance);
1174 cs.hMenu = HMENU_32(menu);
1175 cs.hwndParent = WIN_Handle32( parent );
1176 cs.style = style;
1177 cs.lpszName = windowName;
1178 cs.lpszClass = className;
1179 cs.dwExStyle = exStyle;
1180
1181 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, 0 ));
1182 }
1183
1184
1185 /***********************************************************************
1186 * CreateWindowExA (USER32.@)
1187 */
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 )
1193 {
1194 ATOM classAtom;
1195 CREATESTRUCTA cs;
1196 char buffer[256];
1197
1198 /* Find the class atom */
1199
1200 if (HIWORD(className))
1201 {
1202 if (!(classAtom = GlobalFindAtomA( className )))
1203 {
1204 ERR( "bad class name %s\n", debugstr_a(className) );
1205 return 0;
1206 }
1207 }
1208 else
1209 {
1210 classAtom = LOWORD(className);
1211 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1212 {
1213 ERR( "bad atom %x\n", classAtom);
1214 return 0;
1215 }
1216 className = buffer;
1217 }
1218
1219 /* Create the window */
1220
1221 cs.lpCreateParams = data;
1222 cs.hInstance = instance;
1223 cs.hMenu = menu;
1224 cs.hwndParent = parent;
1225 cs.x = x;
1226 cs.y = y;
1227 cs.cx = width;
1228 cs.cy = height;
1229 cs.style = style;
1230 cs.lpszName = windowName;
1231 cs.lpszClass = className;
1232 cs.dwExStyle = exStyle;
1233
1234 return WIN_CreateWindowEx( &cs, classAtom, WIN_ISWIN32 );
1235 }
1236
1237
1238 /***********************************************************************
1239 * CreateWindowExW (USER32.@)
1240 */
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 )
1246 {
1247 ATOM classAtom;
1248 CREATESTRUCTW cs;
1249 WCHAR buffer[256];
1250
1251 /* Find the class atom */
1252
1253 if (HIWORD(className))
1254 {
1255 if (!(classAtom = GlobalFindAtomW( className )))
1256 {
1257 ERR( "bad class name %s\n", debugstr_w(className) );
1258 return 0;
1259 }
1260 }
1261 else
1262 {
1263 classAtom = LOWORD(className);
1264 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1265 {
1266 ERR( "bad atom %x\n", classAtom);
1267 return 0;
1268 }
1269 className = buffer;
1270 }
1271
1272 /* Create the window */
1273
1274 cs.lpCreateParams = data;
1275 cs.hInstance = instance;
1276 cs.hMenu = menu;
1277 cs.hwndParent = parent;
1278 cs.x = x;
1279 cs.y = y;
1280 cs.cx = width;
1281 cs.cy = height;
1282 cs.style = style;
1283 cs.lpszName = windowName;
1284 cs.lpszClass = className;
1285 cs.dwExStyle = exStyle;
1286
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 );
1290 }
1291
1292
1293 /***********************************************************************
1294 * WIN_SendDestroyMsg
1295 */
1296 static void WIN_SendDestroyMsg( HWND hwnd )
1297 {
1298 GUITHREADINFO info;
1299
1300 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1301 {
1302 if (hwnd == info.hwndCaret) DestroyCaret();
1303 if (hwnd == info.hwndActive) WINPOS_ActivateOtherWindow( hwnd );
1304 }
1305
1306 /*
1307 * Send the WM_DESTROY to the window.
1308 */
1309 SendMessageW( hwnd, WM_DESTROY, 0, 0);
1310
1311 /*
1312 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1313 * make sure that the window still exists when we come back.
1314 */
1315 if (IsWindow(hwnd))
1316 {
1317 HWND* pWndArray;
1318 int i;
1319
1320 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1321
1322 for (i = 0; pWndArray[i]; i++)
1323 {
1324 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1325 }
1326 HeapFree( GetProcessHeap(), 0, pWndArray );
1327 }
1328 else
1329 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1330 }
1331
1332
1333 /***********************************************************************
1334 * DestroyWindow (USER32.@)
1335 */
1336 BOOL WINAPI DestroyWindow( HWND hwnd )
1337 {
1338 BOOL is_child;
1339
1340 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1341 {
1342 SetLastError( ERROR_ACCESS_DENIED );
1343 return FALSE;
1344 }
1345
1346 TRACE("(%p)\n", hwnd);
1347
1348 /* Call hooks */
1349
1350 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1351
1352 if (MENU_IsMenuActive() == hwnd)
1353 EndMenu();
1354
1355 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1356
1357 if (is_child)
1358 {
1359 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1360 send_parent_notify( hwnd, WM_DESTROY );
1361 }
1362 else if (!GetWindow( hwnd, GW_OWNER ))
1363 {
1364 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1365 /* FIXME: clean up palette - see "Internals" p.352 */
1366 }
1367
1368 if (!IsWindow(hwnd)) return TRUE;
1369
1370 /* Hide the window */
1371 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)
1372 {
1373 /* Only child windows receive WM_SHOWWINDOW in DestroyWindow() */
1374 if (is_child)
1375 ShowWindow( hwnd, SW_HIDE );
1376 else
1377 SetWindowPos( hwnd, 0, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1378 SWP_NOZORDER | SWP_NOACTIVATE | SWP_HIDEWINDOW );
1379 }
1380
1381 if (!IsWindow(hwnd)) return TRUE;
1382
1383 /* Recursively destroy owned windows */
1384
1385 if (!is_child)
1386 {
1387 for (;;)
1388 {
1389 int i, got_one = 0;
1390 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1391 if (list)
1392 {
1393 for (i = 0; list[i]; i++)
1394 {
1395 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1396 if (WIN_IsCurrentThread( list[i] ))
1397 {
1398 DestroyWindow( list[i] );
1399 got_one = 1;
1400 continue;
1401 }
1402 WIN_SetOwner( list[i], 0 );
1403 }
1404 HeapFree( GetProcessHeap(), 0, list );
1405 }
1406 if (!got_one) break;
1407 }
1408 }
1409
1410 /* Send destroy messages */
1411
1412 WIN_SendDestroyMsg( hwnd );
1413 if (!IsWindow( hwnd )) return TRUE;
1414
1415 if (GetClipboardOwner() == hwnd)
1416 CLIPBOARD_ReleaseOwner();
1417
1418 /* Destroy the window storage */
1419
1420 WIN_DestroyWindow( hwnd );
1421 return TRUE;
1422 }
1423
1424
1425 /***********************************************************************
1426 * CloseWindow (USER32.@)
1427 */
1428 BOOL WINAPI CloseWindow( HWND hwnd )
1429 {
1430 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1431 ShowWindow( hwnd, SW_MINIMIZE );
1432 return TRUE;
1433 }
1434
1435
1436 /***********************************************************************
1437 * OpenIcon (USER32.@)
1438 */
1439 BOOL WINAPI OpenIcon( HWND hwnd )
1440 {
1441 if (!IsIconic( hwnd )) return FALSE;
1442 ShowWindow( hwnd, SW_SHOWNORMAL );
1443 return TRUE;
1444 }
1445
1446
1447 /***********************************************************************
1448 * WIN_FindWindow
1449 *
1450 * Implementation of FindWindow() and FindWindowEx().
1451 */
1452 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1453 {
1454 HWND *list = NULL;
1455 HWND retvalue = 0;
1456 int i = 0, len = 0;
1457 WCHAR *buffer = NULL;
1458
1459 if (!parent) parent = GetDesktopWindow();
1460 if (title)
1461 {
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;
1464 }
1465
1466 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1467
1468 if (child)
1469 {
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 */
1474 }
1475
1476 if (title)
1477 {
1478 while (list[i])
1479 {
1480 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1481 i++;
1482 }
1483 }
1484 retvalue = list[i];
1485
1486 done:
1487 HeapFree( GetProcessHeap(), 0, list );
1488 HeapFree( GetProcessHeap(), 0, buffer );
1489 return retvalue;
1490 }
1491
1492
1493
1494 /***********************************************************************
1495 * FindWindowA (USER32.@)
1496 */
1497 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1498 {
1499 HWND ret = FindWindowExA( 0, 0, className, title );
1500 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1501 return ret;
1502 }
1503
1504
1505 /***********************************************************************
1506 * FindWindowExA (USER32.@)
1507 */
1508 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1509 LPCSTR className, LPCSTR title )
1510 {
1511 ATOM atom = 0;
1512 LPWSTR buffer;
1513 HWND hwnd;
1514 INT len;
1515
1516 if (className)
1517 {
1518 /* If the atom doesn't exist, then no class */
1519 /* with this name exists either. */
1520 if (!(atom = GlobalFindAtomA( className )))
1521 {
1522 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1523 return 0;
1524 }
1525 }
1526 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1527
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 );
1533 return hwnd;
1534 }
1535
1536
1537 /***********************************************************************
1538 * FindWindowExW (USER32.@)
1539 */
1540 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1541 LPCWSTR className, LPCWSTR title )
1542 {
1543 ATOM atom = 0;
1544
1545 if (className)
1546 {
1547 /* If the atom doesn't exist, then no class */
1548 /* with this name exists either. */
1549 if (!(atom = GlobalFindAtomW( className )))
1550 {
1551 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1552 return 0;
1553 }
1554 }
1555 return WIN_FindWindow( parent, child, atom, title );
1556 }
1557
1558
1559 /***********************************************************************
1560 * FindWindowW (USER32.@)
1561 */
1562 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1563 {
1564 return FindWindowExW( 0, 0, className, title );
1565 }
1566
1567
1568 /**********************************************************************
1569 * GetDesktopWindow (USER32.@)
1570 */
1571 HWND WINAPI GetDesktopWindow(void)
1572 {
1573 struct user_thread_info *thread_info = get_user_thread_info();
1574
1575 if (thread_info->desktop) return thread_info->desktop;
1576
1577 SERVER_START_REQ( get_desktop_window )
1578 {
1579 req->force = 0;
1580 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1581 }
1582 SERVER_END_REQ;
1583
1584 if (!thread_info->desktop)
1585 {
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};
1587 STARTUPINFOW si;
1588 PROCESS_INFORMATION pi;
1589 WCHAR cmdline[MAX_PATH + sizeof(command_line)/sizeof(WCHAR)];
1590
1591 memset( &si, 0, sizeof(si) );
1592 si.cb = 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 ))
1597 {
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 );
1602
1603 }
1604 else WARN( "failed to start explorer, err %d\n", GetLastError() );
1605
1606 SERVER_START_REQ( get_desktop_window )
1607 {
1608 req->force = 1;
1609 if (!wine_server_call( req )) thread_info->desktop = reply->handle;
1610 }
1611 SERVER_END_REQ;
1612 }
1613
1614 if (!thread_info->desktop || !USER_Driver->pCreateDesktopWindow( thread_info->desktop ))
1615 ERR( "failed to create desktop window\n" );
1616
1617 return thread_info->desktop;
1618 }
1619
1620
1621 /*******************************************************************
1622 * EnableWindow (USER32.@)
1623 */
1624 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1625 {
1626 BOOL retvalue;
1627 HWND full_handle;
1628
1629 if (is_broadcast(hwnd))
1630 {
1631 SetLastError( ERROR_INVALID_PARAMETER );
1632 return FALSE;
1633 }
1634
1635 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1636 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1637
1638 hwnd = full_handle;
1639
1640 TRACE("( %p, %d )\n", hwnd, enable);
1641
1642 retvalue = !IsWindowEnabled( hwnd );
1643
1644 if (enable && retvalue)
1645 {
1646 WIN_SetStyle( hwnd, 0, WS_DISABLED );
1647 SendMessageW( hwnd, WM_ENABLE, TRUE, 0 );
1648 }
1649 else if (!enable && !retvalue)
1650 {
1651 HWND capture_wnd;
1652
1653 SendMessageW( hwnd, WM_CANCELMODE, 0, 0);
1654
1655 WIN_SetStyle( hwnd, WS_DISABLED, 0 );
1656
1657 if (hwnd == GetFocus())
1658 SetFocus( 0 ); /* A disabled window can't have the focus */
1659
1660 capture_wnd = GetCapture();
1661 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1662 ReleaseCapture(); /* A disabled window can't capture the mouse */
1663
1664 SendMessageW( hwnd, WM_ENABLE, FALSE, 0 );
1665 }
1666 return retvalue;
1667 }
1668
1669
1670 /***********************************************************************
1671 * IsWindowEnabled (USER32.@)
1672 */
1673 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1674 {
1675 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1676 }
1677
1678
1679 /***********************************************************************
1680 * IsWindowUnicode (USER32.@)
1681 */
1682 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1683 {
1684 WND * wndPtr;
1685 BOOL retvalue = FALSE;
1686
1687 if (!(wndPtr = WIN_GetPtr(hwnd))) return FALSE;
1688
1689 if (wndPtr == WND_DESKTOP) return TRUE;
1690
1691 if (wndPtr != WND_OTHER_PROCESS)
1692 {
1693 retvalue = (wndPtr->flags & WIN_ISUNICODE) != 0;
1694 WIN_ReleasePtr( wndPtr );
1695 }
1696 else
1697 {
1698 SERVER_START_REQ( get_window_info )
1699 {
1700 req->handle = hwnd;
1701 if (!wine_server_call_err( req )) retvalue = reply->is_unicode;
1702 }
1703 SERVER_END_REQ;
1704 }
1705 return retvalue;
1706 }
1707
1708
1709 /**********************************************************************
1710 * WIN_GetWindowLong
1711 *
1712 * Helper function for GetWindowLong().
1713 */
1714 static LONG_PTR WIN_GetWindowLong( HWND hwnd, INT offset, UINT size, BOOL unicode )
1715 {
1716 LONG_PTR retvalue = 0;
1717 WND *wndPtr;
1718
1719 if (offset == GWLP_HWNDPARENT)
1720 {
1721 HWND parent = GetAncestor( hwnd, GA_PARENT );
1722 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1723 return (ULONG_PTR)parent;
1724 }
1725
1726 if (!(wndPtr = WIN_GetPtr( hwnd )))
1727 {
1728 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1729 return 0;
1730 }
1731
1732 if (wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP)
1733 {
1734 if (offset == GWLP_WNDPROC)
1735 {
1736 SetLastError( ERROR_ACCESS_DENIED );
1737 return 0;
1738 }
1739 SERVER_START_REQ( set_window_info )
1740 {
1741 req->handle = hwnd;
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 ))
1746 {
1747 switch(offset)
1748 {
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;
1754 default:
1755 if (offset >= 0) retvalue = get_win_data( &reply->old_extra_value, size );
1756 else SetLastError( ERROR_INVALID_INDEX );
1757 break;
1758 }
1759 }
1760 }
1761 SERVER_END_REQ;
1762 return retvalue;
1763 }
1764
1765 /* now we have a valid wndPtr */
1766
1767 if (offset >= 0)
1768 {
1769 if (offset > (int)(wndPtr->cbWndExtra - size))
1770 {
1771 WARN("Invalid offset %d\n", offset );
1772 WIN_ReleasePtr( wndPtr );
1773 SetLastError( ERROR_INVALID_INDEX );
1774 return 0;
1775 }
1776 retvalue = get_win_data( (char *)wndPtr->wExtra + offset, size );
1777
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 );
1782 return retvalue;
1783 }
1784
1785 switch(offset)
1786 {
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;
1792 case GWLP_WNDPROC:
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.
1796 */
1797 if (wndPtr->winproc == EDIT_winproc_handle && (!unicode != !(wndPtr->flags & WIN_ISUNICODE)))
1798 retvalue = (ULONG_PTR)wndPtr->winproc;
1799 else
1800 retvalue = (ULONG_PTR)WINPROC_GetProc( wndPtr->winproc, unicode );
1801 break;
1802 default:
1803 WARN("Unknown offset %d\n", offset );
1804 SetLastError( ERROR_INVALID_INDEX );
1805 break;
1806 }
1807 WIN_ReleasePtr(wndPtr);
1808 return retvalue;
1809 }
1810
1811
1812 /**********************************************************************
1813 * WIN_SetWindowLong
1814 *
1815 * Helper function for SetWindowLong().
1816 *
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.
1819 */
1820 LONG_PTR WIN_SetWindowLong( HWND hwnd, INT offset, UINT size, LONG_PTR newval, BOOL unicode )
1821 {
1822 STYLESTRUCT style;
1823 BOOL ok;
1824 LONG_PTR retval = 0;
1825 WND *wndPtr;
1826
1827 TRACE( "%p %d %lx %c\n", hwnd, offset, newval, unicode ? 'W' : 'A' );
1828
1829 if (is_broadcast(hwnd))
1830 {
1831 SetLastError( ERROR_INVALID_PARAMETER );
1832 return FALSE;
1833 }
1834
1835 if (!(wndPtr = WIN_GetPtr( hwnd )))
1836 {
1837 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1838 return 0;
1839 }
1840 if (wndPtr == WND_DESKTOP)
1841 {
1842 /* can't change anything on the desktop window */
1843 SetLastError( ERROR_ACCESS_DENIED );
1844 return 0;
1845 }
1846 if (wndPtr == WND_OTHER_PROCESS)
1847 {
1848 if (offset == GWLP_WNDPROC)
1849 {
1850 SetLastError( ERROR_ACCESS_DENIED );
1851 return 0;
1852 }
1853 if (offset > 32767 || offset < -32767)
1854 {
1855 SetLastError( ERROR_INVALID_INDEX );
1856 return 0;
1857 }
1858 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, MAKEWPARAM( offset, size ), newval );
1859 }
1860
1861 /* first some special cases */
1862 switch( offset )
1863 {
1864 case GWL_STYLE:
1865 case GWL_EXSTYLE:
1866 style.styleOld =
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;
1873 break;
1874 case GWLP_HWNDPARENT:
1875 if (wndPtr->parent == GetDesktopWindow())
1876 {
1877 WIN_ReleasePtr( wndPtr );
1878 return (ULONG_PTR)WIN_SetOwner( hwnd, (HWND)newval );
1879 }
1880 else
1881 {
1882 WIN_ReleasePtr( wndPtr );
1883 return (ULONG_PTR)SetParent( hwnd, (HWND)newval );
1884 }
1885 case GWLP_WNDPROC:
1886 {
1887 WNDPROC proc;
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))
1896 {
1897 WIN_ReleasePtr( wndPtr );
1898 return retval;
1899 }
1900 /* update is_unicode flag on the server side */
1901 break;
1902 }
1903 case GWLP_ID:
1904 case GWLP_HINSTANCE:
1905 case GWLP_USERDATA:
1906 break;
1907 case DWLP_DLGPROC:
1908 if ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
1909 (size == sizeof(LONG_PTR)) && (wndPtr->flags & WIN_ISDIALOG))
1910 {
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 );
1916 return retval;
1917 }
1918 /* fall through */
1919 default:
1920 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - size))
1921 {
1922 WARN("Invalid offset %d\n", offset );
1923 WIN_ReleasePtr( wndPtr );
1924 SetLastError( ERROR_INVALID_INDEX );
1925 return 0;
1926 }
1927 else if (get_win_data( (char *)wndPtr->wExtra + offset, size ) == newval)
1928 {
1929 /* already set to the same value */
1930 WIN_ReleasePtr( wndPtr );
1931 return newval;
1932 }
1933 break;
1934 }
1935
1936 SERVER_START_REQ( set_window_info )
1937 {
1938 req->handle = hwnd;
1939 req->extra_offset = -1;
1940 switch(offset)
1941 {
1942 case GWL_STYLE:
1943 req->flags = SET_WIN_STYLE;
1944 req->style = newval;
1945 break;
1946 case GWL_EXSTYLE:
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;
1951 break;
1952 case GWLP_ID:
1953 req->flags = SET_WIN_ID;
1954 req->id = newval;
1955 break;
1956 case GWLP_HINSTANCE:
1957 req->flags = SET_WIN_INSTANCE;
1958 req->instance = (void *)newval;
1959 break;
1960 case GWLP_WNDPROC:
1961 req->flags = SET_WIN_UNICODE;
1962 req->is_unicode = (wndPtr->flags & WIN_ISUNICODE) != 0;
1963 break;
1964 case GWLP_USERDATA:
1965 req->flags = SET_WIN_USERDATA;
1966 req->user_data = newval;
1967 break;
1968 default:
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 );
1973 }
1974 if ((ok = !wine_server_call_err( req )))
1975 {
1976 switch(offset)
1977 {
1978 case GWL_STYLE:
1979 wndPtr->dwStyle = newval;
1980 retval = reply->old_style;
1981 break;
1982 case GWL_EXSTYLE:
1983 wndPtr->dwExStyle = newval;
1984 retval = reply->old_ex_style;
1985 break;
1986 case GWLP_ID:
1987 wndPtr->wIDmenu = newval;
1988 retval = reply->old_id;
1989 break;
1990 case GWLP_HINSTANCE:
1991 wndPtr->hInstance = (HINSTANCE)newval;
1992 retval = (ULONG_PTR)reply->old_instance;
1993 break;
1994 case GWLP_WNDPROC:
1995 break;
1996 case GWLP_USERDATA:
1997 wndPtr->userdata = newval;
1998 retval = reply->old_user_data;
1999 break;
2000 default:
2001 retval = get_win_data( (char *)wndPtr->wExtra + offset, size );
2002 set_win_data( (char *)wndPtr->wExtra + offset, newval, size );
2003 break;
2004 }
2005 }
2006 }
2007 SERVER_END_REQ;
2008 WIN_ReleasePtr( wndPtr );
2009
2010 if (!ok) return 0;
2011
2012 if (offset == GWL_STYLE) USER_Driver->pSetWindowStyle( hwnd, retval );
2013
2014 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2015 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2016
2017 return retval;
2018 }
2019
2020
2021 /**********************************************************************
2022 * GetWindowLong (USER.135)
2023 */
2024 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2025 {
2026 WND *wndPtr;
2027 LONG_PTR retvalue;
2028 BOOL is_winproc = (offset == GWLP_WNDPROC);
2029
2030 if (offset >= 0)
2031 {
2032 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2033 {
2034 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2035 return 0;
2036 }
2037 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2038 {
2039 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2040 {
2041 /*
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.
2045 */
2046 if (wndPtr->cbWndExtra >= 4 && offset == wndPtr->cbWndExtra - sizeof(WORD))
2047 {
2048 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2049 ERR( "- replaced invalid offset %d with %d\n", offset, offset2 );
2050 offset = offset2;
2051 }
2052 else
2053 {
2054 WARN("Invalid offset %d\n", offset );
2055 WIN_ReleasePtr( wndPtr );
2056 SetLastError( ERROR_INVALID_INDEX );
2057 return 0;
2058 }
2059 }
2060 is_winproc = ((offset == DWLP_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG));
2061 WIN_ReleasePtr( wndPtr );
2062 }
2063 }
2064 retvalue = GetWindowLongA( WIN_Handle32(hwnd), offset );
2065 if (is_winproc) retvalue = (LONG_PTR)WINPROC_GetProc16( (WNDPROC)retvalue, FALSE );
2066 return retvalue;
2067 }
2068
2069
2070 /**********************************************************************
2071 * GetWindowWord (USER32.@)
2072 */
2073 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
2074 {
2075 switch(offset)
2076 {
2077 case GWLP_ID:
2078 case GWLP_HINSTANCE:
2079 case GWLP_HWNDPARENT:
2080 break;
2081 default:
2082 if (offset < 0)
2083 {
2084 WARN("Invalid offset %d\n", offset );
2085 SetLastError( ERROR_INVALID_INDEX );
2086 return 0;
2087 }
2088 break;
2089 }
2090 return WIN_GetWindowLong( hwnd, offset, sizeof(WORD), FALSE );
2091 }
2092
2093
2094 /**********************************************************************
2095 * GetWindowLongA (USER32.@)
2096 */
2097 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2098 {
2099 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), FALSE );
2100 }
2101
2102
2103 /**********************************************************************
2104 * GetWindowLongW (USER32.@)
2105 */
2106 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2107 {
2108 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG), TRUE );
2109 }
2110
2111
2112 /**********************************************************************
2113 * SetWindowLong (USER.136)
2114 */
2115 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2116 {
2117 WND *wndPtr;
2118 BOOL is_winproc = (offset == GWLP_WNDPROC);
2119
2120 if (offset == DWLP_DLGPROC)
2121 {
2122 if (!(wndPtr = WIN_GetPtr( WIN_Handle32(hwnd) )))
2123 {
2124 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2125 return 0;
2126 }
2127 if (wndPtr != WND_OTHER_PROCESS && wndPtr != WND_DESKTOP)
2128 {
2129 is_winproc = ((wndPtr->cbWndExtra - sizeof(LONG_PTR) >= DWLP_DLGPROC) &&
2130 (wndPtr->flags & WIN_ISDIALOG));
2131 WIN_ReleasePtr( wndPtr );
2132 }
2133 }
2134
2135 if (is_winproc)
2136 {
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 );
2140 }
2141 else return SetWindowLongA( WIN_Handle32(hwnd), offset, newval );
2142 }
2143
2144
2145 /**********************************************************************
2146 * SetWindowWord (USER32.@)
2147 */
2148 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
2149 {
2150 switch(offset)
2151 {
2152 case GWLP_ID:
2153 case GWLP_HINSTANCE:
2154 case GWLP_HWNDPARENT:
2155 break;
2156 default:
2157 if (offset < 0)
2158 {
2159 WARN("Invalid offset %d\n", offset );
2160 SetLastError( ERROR_INVALID_INDEX );
2161 return 0;
2162 }
2163 break;
2164 }
2165 return WIN_SetWindowLong( hwnd, offset, sizeof(WORD), newval, FALSE );
2166 }
2167
2168
2169 /**********************************************************************
2170 * SetWindowLongA (USER32.@)
2171 *
2172 * See SetWindowLongW.
2173 */
2174 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2175 {
2176 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, FALSE );
2177 }
2178
2179
2180 /**********************************************************************
2181 * SetWindowLongW (USER32.@) Set window attribute
2182 *
2183 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2184 * value in a window's extra memory.
2185 *
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:
2192 *
2193 * GWL_EXSTYLE The window's extended window style
2194 *
2195 * GWL_STYLE The window's window style.
2196 *
2197 * GWLP_WNDPROC Pointer to the window's window procedure.
2198 *
2199 * GWLP_HINSTANCE The window's pplication instance handle.
2200 *
2201 * GWLP_ID The window's identifier.
2202 *
2203 * GWLP_USERDATA The window's user-specified data.
2204 *
2205 * If the window is a dialog box, the _offset_ parameter can be one of
2206 * the following values:
2207 *
2208 * DWLP_DLGPROC The address of the window's dialog box procedure.
2209 *
2210 * DWLP_MSGRESULT The return value of a message
2211 * that the dialog box procedure processed.
2212 *
2213 * DWLP_USER Application specific information.
2214 *
2215 * RETURNS
2216 *
2217 * If successful, returns the previous value located at _offset_. Otherwise,
2218 * returns 0.
2219 *
2220 * NOTES
2221 *
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.
2225 *
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.
2229 *
2230 * The user data is reserved for use by the application which created
2231 * the window.
2232 *
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
2235 * disabled state.
2236 *
2237 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2238 * SetParent() instead.
2239 *
2240 * Win95:
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.
2245 */
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 */
2250 ) {
2251 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG), newval, TRUE );
2252 }
2253
2254
2255 /*******************************************************************
2256 * GetWindowTextA (USER32.@)
2257 */
2258 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2259 {
2260 WCHAR *buffer;
2261
2262 if (!lpString) return 0;
2263
2264 if (WIN_IsCurrentProcess( hwnd ))
2265 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2266
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);
2275 }
2276
2277
2278 /*******************************************************************
2279 * InternalGetWindowText (USER32.@)
2280 */
2281 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2282 {
2283 WND *win;
2284
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)
2289 {
2290 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2291 else lpString[0] = 0;
2292 WIN_ReleasePtr( win );
2293 }
2294 else
2295 {
2296 get_server_window_text( hwnd, lpString, nMaxCount );
2297 }
2298 return strlenW(lpString);
2299 }
2300
2301
2302 /*******************************************************************
2303 * GetWindowTextW (USER32.@)
2304 */
2305 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2306 {
2307 if (!lpString) return 0;
2308
2309 if (WIN_IsCurrentProcess( hwnd ))
2310 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2311
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);
2316 }
2317
2318
2319 /*******************************************************************
2320 * SetWindowTextA (USER32.@)
2321 * SetWindowText (USER32.@)
2322 */
2323 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2324 {
2325 if (is_broadcast(hwnd))
2326 {
2327 SetLastError( ERROR_INVALID_PARAMETER );
2328 return FALSE;
2329 }
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 );
2334 }
2335
2336
2337 /*******************************************************************
2338 * SetWindowTextW (USER32.@)
2339 */
2340 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2341 {
2342 if (is_broadcast(hwnd))
2343 {
2344 SetLastError( ERROR_INVALID_PARAMETER );
2345 return FALSE;
2346 }
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 );
2351 }
2352
2353
2354 /*******************************************************************
2355 * GetWindowTextLengthA (USER32.@)
2356 */
2357 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2358 {
2359 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2360 }
2361
2362 /*******************************************************************
2363 * GetWindowTextLengthW (USER32.@)
2364 */
2365 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2366 {
2367 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2368 }
2369
2370
2371 /*******************************************************************
2372 * IsWindow (USER32.@)
2373 */
2374 BOOL WINAPI IsWindow( HWND hwnd )
2375 {
2376 WND *ptr;
2377 BOOL ret;
2378
2379 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2380 if (ptr == WND_DESKTOP) return TRUE;
2381
2382 if (ptr != WND_OTHER_PROCESS)
2383 {
2384 WIN_ReleasePtr( ptr );
2385 return TRUE;
2386 }
2387
2388 /* check other processes */
2389 SERVER_START_REQ( get_window_info )
2390 {
2391 req->handle = hwnd;
2392 ret = !wine_server_call_err( req );
2393 }
2394 SERVER_END_REQ;
2395 return ret;
2396 }
2397
2398
2399 /***********************************************************************
2400 * GetWindowThreadProcessId (USER32.@)
2401 */
2402 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2403 {
2404 WND *ptr;
2405 DWORD tid = 0;
2406
2407 if (!(ptr = WIN_GetPtr( hwnd )))
2408 {
2409 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2410 return 0;
2411 }
2412
2413 if (ptr != WND_OTHER_PROCESS && ptr != WND_DESKTOP)
2414 {
2415 /* got a valid window */
2416 tid = ptr->tid;
2417 if (process) *process = GetCurrentProcessId();
2418 WIN_ReleasePtr( ptr );
2419 return tid;
2420 }
2421
2422 /* check other processes */
2423 SERVER_START_REQ( get_window_info )
2424 {
2425 req->handle = hwnd;
2426 if (!wine_server_call_err( req ))
2427 {
2428 tid = (DWORD)reply->tid;
2429 if (process) *process = (DWORD)reply->pid;
2430 }
2431 }
2432 SERVER_END_REQ;
2433 return tid;
2434 }
2435
2436
2437 /*****************************************************************
2438 * GetParent (USER32.@)
2439 */
2440 HWND WINAPI GetParent( HWND hwnd )
2441 {
2442 WND *wndPtr;
2443 HWND retvalue = 0;
2444
2445 if (!(wndPtr = WIN_GetPtr( hwnd )))
2446 {
2447 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2448 return 0;
2449 }
2450 if (wndPtr == WND_DESKTOP) return 0;
2451 if (wndPtr == WND_OTHER_PROCESS)
2452 {
2453 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2454 if (style & (WS_POPUP | WS_CHILD))
2455 {
2456 SERVER_START_REQ( get_window_tree )
2457 {
2458 req->handle = hwnd;
2459 if (!wine_server_call_err( req ))
2460 {
2461 if (style & WS_POPUP) retvalue = reply->owner;
2462 else if (style & WS_CHILD) retvalue = reply->parent;
2463 }
2464 }
2465 SERVER_END_REQ;
2466 }
2467 }
2468 else
2469 {
2470 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2471 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2472 WIN_ReleasePtr( wndPtr );
2473 }
2474 return retvalue;
2475 }
2476
2477
2478 /*****************************************************************
2479 * GetAncestor (USER32.@)
2480 */
2481 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2482 {
2483 WND *win;
2484 HWND *list, ret = 0;
2485
2486 switch(type)
2487 {
2488 case GA_PARENT:
2489 if (!(win = WIN_GetPtr( hwnd )))
2490 {
2491 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2492 return 0;
2493 }
2494 if (win == WND_DESKTOP) return 0;
2495 if (win != WND_OTHER_PROCESS)
2496 {
2497 ret = win->parent;
2498 WIN_ReleasePtr( win );
2499 }
2500 else /* need to query the server */
2501 {
2502 SERVER_START_REQ( get_window_tree )
2503 {
2504 req->handle = hwnd;
2505 if (!wine_server_call_err( req )) ret = reply->parent;
2506 }
2507 SERVER_END_REQ;
2508 }
2509 break;
2510
2511 case GA_ROOT:
2512 if (!(list = list_window_parents( hwnd ))) return 0;
2513
2514 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2515 else
2516 {
2517 int count = 2;
2518 while (list[count]) count++;
2519 ret = list[count - 2]; /* get the one before the desktop */
2520 }
2521 HeapFree( GetProcessHeap(), 0, list );
2522 break;
2523
2524 case GA_ROOTOWNER:
2525 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2526 for (;;)
2527 {
2528 HWND parent = GetParent( ret );
2529 if (!parent) break;
2530 ret = parent;
2531 }
2532 break;
2533 }
2534 return ret;
2535 }
2536
2537
2538 /*****************************************************************
2539 * SetParent (USER32.@)
2540 */
2541 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2542 {
2543 HWND full_handle;
2544 HWND old_parent = 0;
2545 BOOL was_visible;
2546 WND *wndPtr;
2547 BOOL ret;
2548
2549 if (is_broadcast(hwnd) || is_broadcast(parent))
2550 {
2551 SetLastError(ERROR_INVALID_PARAMETER);
2552 return 0;
2553 }
2554
2555 if (!parent) parent = GetDesktopWindow();
2556 else parent = WIN_GetFullHandle( parent );
2557
2558 if (!IsWindow( parent ))
2559 {
2560 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2561 return 0;
2562 }
2563
2564 /* Some applications try to set a child as a parent */
2565 if (IsChild(hwnd, parent))
2566 {
2567 SetLastError( ERROR_INVALID_PARAMETER );
2568 return 0;
2569 }
2570
2571 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2572 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2573
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 );
2577
2578 wndPtr = WIN_GetPtr( hwnd );
2579 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return 0;
2580
2581 SERVER_START_REQ( set_parent )
2582 {
2583 req->handle = hwnd;
2584 req->parent = parent;
2585 if ((ret = !wine_server_call( req )))
2586 {
2587 old_parent = reply->old_parent;
2588 wndPtr->parent = parent = reply->full_parent;
2589 }
2590
2591 }
2592 SERVER_END_REQ;
2593 WIN_ReleasePtr( wndPtr );
2594 if (!ret) return 0;
2595
2596 USER_Driver->pSetParent( full_handle, parent, old_parent );
2597
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.
2601 */
2602 SetWindowPos( hwnd, HWND_TOP, 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 */
2606
2607 return old_parent;
2608 }
2609
2610
2611 /*******************************************************************
2612 * IsChild (USER32.@)
2613 */
2614 BOOL WINAPI IsChild( HWND parent, HWND child )
2615 {
2616 HWND *list = list_window_parents( child );
2617 int i;
2618 BOOL ret;
2619
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 );
2625 return ret;
2626 }
2627
2628
2629 /***********************************************************************
2630 * IsWindowVisible (USER32.@)
2631 */
2632 BOOL WINAPI IsWindowVisible( HWND hwnd )
2633 {
2634 HWND *list;
2635 BOOL retval = TRUE;
2636 int i;
2637
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 */
2641 {
2642 for (i = 0; list[i+1]; i++)
2643 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2644 retval = !list[i+1];
2645 }
2646 HeapFree( GetProcessHeap(), 0, list );
2647 return retval;
2648 }
2649
2650
2651 /***********************************************************************
2652 * WIN_IsWindowDrawable
2653 *
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.
2657 */
2658 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2659 {
2660 HWND *list;
2661 BOOL retval = TRUE;
2662 int i;
2663 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2664
2665 if (!(style & WS_VISIBLE)) return FALSE;
2666 if ((style & WS_MINIMIZE) && icon && GetClassLongPtrW( hwnd, GCLP_HICON )) return FALSE;
2667
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 */
2670 {
2671 for (i = 0; list[i+1]; i++)
2672 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2673 break;
2674 retval = !list[i+1];
2675 }
2676 HeapFree( GetProcessHeap(), 0, list );
2677 return retval;
2678 }
2679
2680
2681 /*******************************************************************
2682 * GetTopWindow (USER32.@)
2683 */
2684 HWND WINAPI GetTopWindow( HWND hwnd )
2685 {
2686 if (!hwnd) hwnd = GetDesktopWindow();
2687 return GetWindow( hwnd, GW_CHILD );
2688 }
2689
2690
2691 /*******************************************************************
2692 * GetWindow (USER32.@)
2693 */
2694 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2695 {
2696 HWND retval = 0;
2697
2698 if (rel == GW_OWNER) /* this one may be available locally */
2699 {
2700 WND *wndPtr = WIN_GetPtr( hwnd );
2701 if (!wndPtr)
2702 {
2703 SetLastError( ERROR_INVALID_HANDLE );
2704 return 0;
2705 }
2706 if (wndPtr == WND_DESKTOP) return 0;
2707 if (wndPtr != WND_OTHER_PROCESS)
2708 {
2709 retval = wndPtr->owner;
2710 WIN_ReleasePtr( wndPtr );
2711 return retval;
2712 }
2713 /* else fall through to server call */
2714 }
2715
2716 SERVER_START_REQ( get_window_tree )
2717 {
2718 req->handle = hwnd;
2719 if (!wine_server_call_err( req ))
2720 {
2721 switch(rel)
2722 {
2723 case GW_HWNDFIRST:
2724 retval = reply->first_sibling;
2725 break;
2726 case GW_HWNDLAST:
2727 retval = reply->last_sibling;
2728 break;
2729 case GW_HWNDNEXT:
2730 retval = reply->next_sibling;
2731 break;
2732 case GW_HWNDPREV:
2733 retval = reply->prev_sibling;
2734 break;
2735 case GW_OWNER:
2736 retval = reply->owner;
2737 break;
2738 case GW_CHILD:
2739 retval = reply->first_child;
2740 break;
2741 }
2742 }
2743 }
2744 SERVER_END_REQ;
2745 return retval;
2746 }
2747
2748
2749 /*******************************************************************
2750 * ShowOwnedPopups (USER32.@)
2751 */
2752 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2753 {
2754 int count = 0;
2755 WND *pWnd;
2756 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2757
2758 if (!win_array) return TRUE;
2759
2760 while (win_array[count]) count++;
2761 while (--count >= 0)
2762 {
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;
2766 if (fShow)
2767 {
2768 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2769 {
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
2774 */
2775 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_SHOWNORMAL, SW_PARENTOPENING);
2776 continue;
2777 }
2778 }
2779 else
2780 {
2781 if (pWnd->dwStyle & WS_VISIBLE)
2782 {
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
2787 */
2788 SendMessageW(win_array[count], WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2789 continue;
2790 }
2791 }
2792 WIN_ReleasePtr( pWnd );
2793 }
2794 HeapFree( GetProcessHeap(), 0, win_array );
2795 return TRUE;
2796 }
2797
2798
2799 /*******************************************************************
2800 * GetLastActivePopup (USER32.@)
2801 */
2802 HWND WINAPI GetLastActivePopup( HWND hwnd )
2803 {
2804 HWND retval = hwnd;
2805
2806 SERVER_START_REQ( get_window_info )
2807 {
2808 req->handle = hwnd;
2809 if (!wine_server_call_err( req )) retval = reply->last_active;
2810 }
2811 SERVER_END_REQ;
2812 return retval;
2813 }
2814
2815
2816 /*******************************************************************
2817 * WIN_ListChildren
2818 *
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.
2821 */
2822 HWND *WIN_ListChildren( HWND hwnd )
2823 {
2824 return list_window_children( hwnd, 0, 0 );
2825 }
2826
2827
2828 /*******************************************************************
2829 * EnumWindows (USER32.@)
2830 */
2831 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2832 {
2833 HWND *list;
2834 BOOL ret = TRUE;
2835 int i;
2836
2837 USER_CheckNotLock();
2838
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. */
2842
2843 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2844
2845 /* Now call the callback function for every window */
2846
2847 for (i = 0; list[i]; i++)
2848 {
2849 /* Make sure that the window still exists */
2850 if (!IsWindow( list[i] )) continue;
2851 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2852 }
2853 HeapFree( GetProcessHeap(), 0, list );
2854 return ret;
2855 }
2856
2857
2858 /**********************************************************************
2859 * EnumThreadWindows (USER32.@)
2860 */
2861 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2862 {
2863 HWND *list;
2864 int i;
2865
2866 USER_CheckNotLock();
2867
2868 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2869
2870 /* Now call the callback function for every window */
2871
2872 for (i = 0; list[i]; i++)
2873 if (!func( list[i], lParam )) break;
2874 HeapFree( GetProcessHeap(), 0, list );
2875 return TRUE;
2876 }
2877
2878
2879 /**********************************************************************
2880 * WIN_EnumChildWindows
2881 *
2882 * Helper function for EnumChildWindows().
2883 */
2884 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2885 {
2886 HWND *childList;
2887 BOOL ret = FALSE;
2888
2889 for ( ; *list; list++)
2890 {
2891 /* Make sure that the window still exists */
2892 if (!IsWindow( *list )) continue;
2893 /* Build children list first */
2894 childList = WIN_ListChildren( *list );
2895
2896 ret = func( *list, lParam );
2897
2898 if (childList)
2899 {
2900 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
2901 HeapFree( GetProcessHeap(), 0, childList );
2902 }
2903 if (!ret) return FALSE;
2904 }
2905 return TRUE;
2906 }
2907
2908
2909 /**********************************************************************
2910 * EnumChildWindows (USER32.@)
2911 */
2912 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
2913 {
2914 HWND *list;
2915 BOOL ret;
2916
2917 USER_CheckNotLock();
2918
2919 if (!(list = WIN_ListChildren( parent ))) return FALSE;
2920 ret = WIN_EnumChildWindows( list, func, lParam );
2921 HeapFree( GetProcessHeap(), 0, list );
2922 return ret;
2923 }
2924
2925
2926 /*******************************************************************
2927 * AnyPopup (USER.52)
2928 */
2929 BOOL16 WINAPI AnyPopup16(void)
2930 {
2931 return AnyPopup();
2932 }
2933
2934
2935 /*******************************************************************
2936 * AnyPopup (USER32.@)
2937 */
2938 BOOL WINAPI AnyPopup(void)
2939 {
2940 int i;
2941 BOOL retvalue;
2942 HWND *list = WIN_ListChildren( GetDesktopWindow() );
2943
2944 if (!list) return FALSE;
2945 for (i = 0; list[i]; i++)
2946 {
2947 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
2948 }
2949 retvalue = (list[i] != 0);
2950 HeapFree( GetProcessHeap(), 0, list );
2951 return retvalue;
2952 }
2953
2954
2955 /*******************************************************************
2956 * FlashWindow (USER32.@)
2957 */
2958 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
2959 {
2960 WND *wndPtr;
2961
2962 TRACE("%p\n", hWnd);
2963
2964 if (IsIconic( hWnd ))
2965 {
2966 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
2967
2968 wndPtr = WIN_GetPtr(hWnd);
2969 if (!wndPtr || wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
2970 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
2971 {
2972 wndPtr->flags |= WIN_NCACTIVATED;
2973 }
2974 else
2975 {
2976 wndPtr->flags &= ~WIN_NCACTIVATED;
2977 }
2978 WIN_ReleasePtr( wndPtr );
2979 return TRUE;
2980 }
2981 else
2982 {
2983 WPARAM wparam;
2984
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 */
2988
2989 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
2990 else wparam = (hWnd == GetForegroundWindow());
2991
2992 WIN_ReleasePtr( wndPtr );
2993 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
2994 return wparam;
2995 }
2996 }
2997
2998 /*******************************************************************
2999 * FlashWindowEx (USER32.@)
3000 */
3001 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3002 {
3003 FIXME("%p\n", pfwi);
3004 return TRUE;
3005 }
3006
3007 /*******************************************************************
3008 * GetWindowContextHelpId (USER32.@)
3009 */
3010 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3011 {
3012 DWORD retval;
3013 WND *wnd = WIN_GetPtr( hwnd );
3014 if (!wnd || wnd == WND_DESKTOP) return 0;
3015 if (wnd == WND_OTHER_PROCESS)
3016 {
3017 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3018 return 0;
3019 }
3020 retval = wnd->helpContext;
3021 WIN_ReleasePtr( wnd );
3022 return retval;
3023 }
3024
3025
3026 /*******************************************************************
3027 * SetWindowContextHelpId (USER32.@)
3028 */
3029 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3030 {
3031 WND *wnd = WIN_GetPtr( hwnd );
3032 if (!wnd || wnd == WND_DESKTOP) return FALSE;
3033 if (wnd == WND_OTHER_PROCESS)
3034 {
3035 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
3036 return 0;
3037 }
3038 wnd->helpContext = id;
3039 WIN_ReleasePtr( wnd );
3040 return TRUE;
3041 }
3042
3043
3044 /*******************************************************************
3045 * DragDetect (USER32.@)
3046 */
3047 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3048 {
3049 MSG msg;
3050 RECT rect;
3051 WORD wDragWidth = GetSystemMetrics(SM_CXDRAG);
3052 WORD wDragHeight= GetSystemMetrics(SM_CYDRAG);
3053
3054 rect.left = pt.x - wDragWidth;
3055 rect.right = pt.x + wDragWidth;
3056
3057 rect.top = pt.y - wDragHeight;
3058 rect.bottom = pt.y + wDragHeight;
3059
3060 SetCapture(hWnd);
3061
3062 while(1)
3063 {
3064 while (PeekMessageW( &msg, 0, WM_MOUSEFIRST, WM_MOUSELAST, PM_REMOVE ))
3065 {
3066 if( msg.message == WM_LBUTTONUP )
3067 {
3068 ReleaseCapture();
3069 return 0;
3070 }
3071 if( msg.message == WM_MOUSEMOVE )
3072 {
3073 POINT tmp;
3074 tmp.x = (short)LOWORD(msg.lParam);
3075 tmp.y = (short)HIWORD(msg.lParam);
3076 if( !PtInRect( &rect, tmp ))
3077 {
3078 ReleaseCapture();
3079 return 1;
3080 }
3081 }
3082 }
3083 WaitMessage();
3084 }
3085 return 0;
3086 }
3087
3088 /******************************************************************************
3089 * GetWindowModuleFileNameA (USER32.@)
3090 */
3091 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3092 {
3093 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3094 hwnd, lpszFileName, cchFileNameMax);
3095 return 0;
3096 }
3097
3098 /******************************************************************************
3099 * GetWindowModuleFileNameW (USER32.@)
3100 */
3101 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3102 {
3103 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3104 hwnd, lpszFileName, cchFileNameMax);
3105 return 0;
3106 }
3107
3108 /******************************************************************************
3109 * GetWindowInfo (USER32.@)
3110 *
3111 * Note: tests show that Windows doesn't check cbSize of the structure.
3112 */
3113 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3114 {
3115 if (!pwi) return FALSE;
3116 if (!IsWindow(hwnd)) return FALSE;
3117
3118 GetWindowRect(hwnd, &pwi->rcWindow);
3119 GetClientRect(hwnd, &pwi->rcClient);
3120 /* translate to screen coordinates */
3121 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3122
3123 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3124 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3125 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3126
3127 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3128 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3129
3130 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3131 pwi->wCreatorVersion = 0x0400;
3132
3133 return TRUE;
3134 }
3135
3136 /******************************************************************************
3137 * SwitchDesktop (USER32.@)
3138 *
3139 * NOTES: Sets the current input or interactive desktop.
3140 */
3141 BOOL WINAPI SwitchDesktop( HDESK hDesktop)
3142 {
3143 FIXME("SwitchDesktop(hwnd %p) stub!\n", hDesktop);
3144 return TRUE;
3145 }
3146
3147 /*****************************************************************************
3148 * SetLayeredWindowAttributes (USER32.@)
3149 */
3150 BOOL WINAPI SetLayeredWindowAttributes( HWND hWnd, COLORREF rgbKey,
3151 BYTE bAlpha, DWORD dwFlags )
3152 {
3153 FIXME("(%p,0x%.8x,%d,%d): stub!\n", hWnd, rgbKey, bAlpha, dwFlags);
3154 return TRUE;
3155 }
3156
3157 /*****************************************************************************
3158 * UpdateLayeredWindow (USER32.@)
3159 */
3160 BOOL WINAPI UpdateLayeredWindow( HWND hwnd, HDC hdcDst, POINT *pptDst, SIZE *psize,
3161 HDC hdcSrc, POINT *pptSrc, COLORREF crKey, BLENDFUNCTION *pblend,
3162 DWORD dwFlags)
3163 {
3164 static int once;
3165 if (!once)
3166 {
3167 once = 1;
3168 FIXME("(%p,%p,%p,%p,%p,%p,0x%08x,%p,%d): stub!\n",
3169 hwnd, hdcDst, pptDst, psize, hdcSrc, pptSrc, crKey, pblend, dwFlags);
3170 }
3171 return 0;
3172 }
3173
3174 /* 64bit versions */
3175
3176 #ifdef GetWindowLongPtrW
3177 #undef GetWindowLongPtrW
3178 #endif
3179
3180 #ifdef GetWindowLongPtrA
3181 #undef GetWindowLongPtrA
3182 #endif
3183
3184 #ifdef SetWindowLongPtrW
3185 #undef SetWindowLongPtrW
3186 #endif
3187
3188 #ifdef SetWindowLongPtrA
3189 #undef SetWindowLongPtrA
3190 #endif
3191
3192 /*****************************************************************************
3193 * GetWindowLongPtrW (USER32.@)
3194 */
3195 LONG_PTR WINAPI GetWindowLongPtrW( HWND hwnd, INT offset )
3196 {
3197 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), TRUE );
3198 }
3199
3200 /*****************************************************************************
3201 * GetWindowLongPtrA (USER32.@)
3202 */
3203 LONG_PTR WINAPI GetWindowLongPtrA( HWND hwnd, INT offset )
3204 {
3205 return WIN_GetWindowLong( hwnd, offset, sizeof(LONG_PTR), FALSE );
3206 }
3207
3208 /*****************************************************************************
3209 * SetWindowLongPtrW (USER32.@)
3210 */
3211 LONG_PTR WINAPI SetWindowLongPtrW( HWND hwnd, INT offset, LONG_PTR newval )
3212 {
3213 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, TRUE );
3214 }
3215
3216 /*****************************************************************************
3217 * SetWindowLongPtrA (USER32.@)
3218 */
3219 LONG_PTR WINAPI SetWindowLongPtrA( HWND hwnd, INT offset, LONG_PTR newval )
3220 {
3221 return WIN_SetWindowLong( hwnd, offset, sizeof(LONG_PTR), newval, FALSE );
3222 }
useful hacks and other patches not (yet) suitable for mainline