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Split OpenFile implementation in separate 16- and 32-bit versions, and
[wine.git] / windows / win.c
blobfeebef1cb5cc3ed2d9e69ce06309138d31cf7f8a
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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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.h"
37 #include "dce.h"
38 #include "controls.h"
39 #include "cursoricon.h"
40 #include "message.h"
41 #include "winpos.h"
42 #include "winerror.h"
43 #include "wine/debug.h"
44
45 WINE_DEFAULT_DEBUG_CHANNEL(win);
46 WINE_DECLARE_DEBUG_CHANNEL(msg);
47
48 #define NB_USER_HANDLES (LAST_USER_HANDLE - FIRST_USER_HANDLE + 1)
49
50 /**********************************************************************/
51
52 /* Desktop window */
53 static WND *pWndDesktop = NULL;
54
55 static WORD wDragWidth = 4;
56 static WORD wDragHeight= 3;
57
58 static void *user_handles[NB_USER_HANDLES];
59
60 /***********************************************************************
61 * create_window_handle
62 *
63 * Create a window handle with the server.
64 */
65 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom,
66 HINSTANCE instance, WINDOWPROCTYPE type )
67 {
68 WORD index;
69 WND *win;
70 struct tagCLASS *class = NULL;
71 user_handle_t handle = 0;
72 int extra_bytes = 0;
73
74 /* if 16-bit instance, map to module handle */
75 if (instance && !HIWORD(instance))
76 instance = HINSTANCE_32(GetExePtr(HINSTANCE_16(instance)));
77
78 SERVER_START_REQ( create_window )
79 {
80 req->parent = parent;
81 req->owner = owner;
82 req->atom = atom;
83 req->instance = instance;
84 if (!wine_server_call_err( req ))
85 {
86 handle = reply->handle;
87 extra_bytes = reply->extra;
88 class = reply->class_ptr;
89 }
90 }
91 SERVER_END_REQ;
92
93 if (!handle)
94 {
95 WARN( "error %ld creating window\n", GetLastError() );
96 return NULL;
97 }
98
99 if (!(win = HeapAlloc( GetProcessHeap(), 0, sizeof(WND) + extra_bytes - sizeof(win->wExtra) )))
100 {
101 SERVER_START_REQ( destroy_window )
102 {
103 req->handle = handle;
104 wine_server_call( req );
105 }
106 SERVER_END_REQ;
107 SetLastError( ERROR_NOT_ENOUGH_MEMORY );
108 return NULL;
109 }
110
111 USER_Lock();
112
113 index = LOWORD(handle) - FIRST_USER_HANDLE;
114 assert( index < NB_USER_HANDLES );
115 user_handles[index] = win;
116 win->hwndSelf = handle;
117 win->dwMagic = WND_MAGIC;
118 win->irefCount = 1;
119 win->cbWndExtra = extra_bytes;
120 memset( win->wExtra, 0, extra_bytes );
121 CLASS_AddWindow( class, win, type );
122 return win;
123 }
124
125
126 /***********************************************************************
127 * free_window_handle
128 *
129 * Free a window handle.
130 */
131 static WND *free_window_handle( HWND hwnd )
132 {
133 WND *ptr;
134 WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE;
135
136 if (index >= NB_USER_HANDLES) return NULL;
137 USER_Lock();
138 if ((ptr = user_handles[index]))
139 {
140 SERVER_START_REQ( destroy_window )
141 {
142 req->handle = hwnd;
143 if (!wine_server_call_err( req ))
144 user_handles[index] = NULL;
145 else
146 ptr = NULL;
147 }
148 SERVER_END_REQ;
149 }
150 USER_Unlock();
151 if (ptr) HeapFree( GetProcessHeap(), 0, ptr );
152 return ptr;
153 }
154
155
156 /*******************************************************************
157 * list_window_children
158 *
159 * Build an array of the children of a given window. The array must be
160 * freed with HeapFree. Returns NULL when no windows are found.
161 */
162 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
163 {
164 HWND *list;
165 int size = 32;
166
167 for (;;)
168 {
169 int count = 0;
170
171 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
172
173 SERVER_START_REQ( get_window_children )
174 {
175 req->parent = hwnd;
176 req->atom = atom;
177 req->tid = tid;
178 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
179 if (!wine_server_call( req )) count = reply->count;
180 }
181 SERVER_END_REQ;
182 if (count && count < size)
183 {
184 list[count] = 0;
185 return list;
186 }
187 HeapFree( GetProcessHeap(), 0, list );
188 if (!count) break;
189 size = count + 1; /* restart with a large enough buffer */
190 }
191 return NULL;
192 }
193
194
195 /*******************************************************************
196 * send_parent_notify
197 */
198 static void send_parent_notify( HWND hwnd, UINT msg )
199 {
200 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) return;
201 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) return;
202 SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY,
203 MAKEWPARAM( msg, GetWindowLongW( hwnd, GWL_ID )), (LPARAM)hwnd );
204 }
205
206
207 /*******************************************************************
208 * get_server_window_text
209 *
210 * Retrieve the window text from the server.
211 */
212 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
213 {
214 size_t len = 0;
215
216 SERVER_START_REQ( get_window_text )
217 {
218 req->handle = hwnd;
219 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
220 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
221 }
222 SERVER_END_REQ;
223 text[len / sizeof(WCHAR)] = 0;
224 }
225
226
227 /***********************************************************************
228 * WIN_GetPtr
229 *
230 * Return a pointer to the WND structure if local to the process,
231 * or WND_OTHER_PROCESS if handle may be valid in other process.
232 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
233 */
234 WND *WIN_GetPtr( HWND hwnd )
235 {
236 WND * ptr;
237 WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE;
238
239 if (index >= NB_USER_HANDLES) return NULL;
240
241 USER_Lock();
242 if ((ptr = user_handles[index]))
243 {
244 if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf))
245 return ptr;
246 ptr = NULL;
247 }
248 else ptr = WND_OTHER_PROCESS;
249 USER_Unlock();
250 return ptr;
251 }
252
253
254 /***********************************************************************
255 * WIN_IsCurrentProcess
256 *
257 * Check whether a given window belongs to the current process (and return the full handle).
258 */
259 HWND WIN_IsCurrentProcess( HWND hwnd )
260 {
261 WND *ptr;
262 HWND ret;
263
264 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS) return 0;
265 ret = ptr->hwndSelf;
266 WIN_ReleasePtr( ptr );
267 return ret;
268 }
269
270
271 /***********************************************************************
272 * WIN_IsCurrentThread
273 *
274 * Check whether a given window belongs to the current thread (and return the full handle).
275 */
276 HWND WIN_IsCurrentThread( HWND hwnd )
277 {
278 WND *ptr;
279 HWND ret = 0;
280
281 if ((ptr = WIN_GetPtr( hwnd )) && ptr != WND_OTHER_PROCESS)
282 {
283 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
284 WIN_ReleasePtr( ptr );
285 }
286 return ret;
287 }
288
289
290 /***********************************************************************
291 * WIN_Handle32
292 *
293 * Convert a 16-bit window handle to a full 32-bit handle.
294 */
295 HWND WIN_Handle32( HWND16 hwnd16 )
296 {
297 WND *ptr;
298 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
299
300 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
301 /* do sign extension for -2 and -3 */
302 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
303
304 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
305
306 if (ptr != WND_OTHER_PROCESS)
307 {
308 hwnd = ptr->hwndSelf;
309 WIN_ReleasePtr( ptr );
310 }
311 else /* may belong to another process */
312 {
313 SERVER_START_REQ( get_window_info )
314 {
315 req->handle = hwnd;
316 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
317 }
318 SERVER_END_REQ;
319 }
320 return hwnd;
321 }
322
323
324 /***********************************************************************
325 * WIN_FindWndPtr
326 *
327 * Return a pointer to the WND structure corresponding to a HWND.
328 */
329 WND * WIN_FindWndPtr( HWND hwnd )
330 {
331 WND * ptr;
332
333 if (!hwnd) return NULL;
334
335 if ((ptr = WIN_GetPtr( hwnd )))
336 {
337 if (ptr != WND_OTHER_PROCESS)
338 {
339 /* increment destruction monitoring */
340 ptr->irefCount++;
341 return ptr;
342 }
343 if (IsWindow( hwnd )) /* check other processes */
344 {
345 ERR( "window %p belongs to other process\n", hwnd );
346 /* DbgBreakPoint(); */
347 }
348 }
349 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
350 return NULL;
351 }
352
353
354 /***********************************************************************
355 * WIN_ReleaseWndPtr
356 *
357 * Release the pointer to the WND structure.
358 */
359 void WIN_ReleaseWndPtr(WND *wndPtr)
360 {
361 if(!wndPtr) return;
362
363 /* Decrement destruction monitoring value */
364 wndPtr->irefCount--;
365 /* Check if it's time to release the memory */
366 if(wndPtr->irefCount == 0 && !wndPtr->dwMagic)
367 {
368 /* Release memory */
369 free_window_handle( wndPtr->hwndSelf );
370 }
371 else if(wndPtr->irefCount < 0)
372 {
373 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
374 ERR("forgot a Lock on %p somewhere\n",wndPtr);
375 }
376 /* unlock all WND structures for thread safeness */
377 USER_Unlock();
378 }
379
380
381 /***********************************************************************
382 * WIN_UnlinkWindow
383 *
384 * Remove a window from the siblings linked list.
385 */
386 void WIN_UnlinkWindow( HWND hwnd )
387 {
388 WIN_LinkWindow( hwnd, 0, 0 );
389 }
390
391
392 /***********************************************************************
393 * WIN_LinkWindow
394 *
395 * Insert a window into the siblings linked list.
396 * The window is inserted after the specified window, which can also
397 * be specified as HWND_TOP or HWND_BOTTOM.
398 * If parent is 0, window is unlinked from the tree.
399 */
400 void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
401 {
402 WND *wndPtr = WIN_GetPtr( hwnd );
403
404 if (!wndPtr) return;
405 if (wndPtr == WND_OTHER_PROCESS)
406 {
407 if (IsWindow(hwnd)) ERR(" cannot link other process window %p\n", hwnd );
408 return;
409 }
410
411 SERVER_START_REQ( link_window )
412 {
413 req->handle = hwnd;
414 req->parent = parent;
415 req->previous = hwndInsertAfter;
416 if (!wine_server_call( req ))
417 {
418 if (reply->full_parent) wndPtr->parent = reply->full_parent;
419 }
420
421 }
422 SERVER_END_REQ;
423 WIN_ReleasePtr( wndPtr );
424 }
425
426
427 /***********************************************************************
428 * WIN_SetOwner
429 *
430 * Change the owner of a window.
431 */
432 HWND WIN_SetOwner( HWND hwnd, HWND owner )
433 {
434 WND *win = WIN_GetPtr( hwnd );
435 HWND ret = 0;
436
437 if (!win) return 0;
438 if (win == WND_OTHER_PROCESS)
439 {
440 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
441 return 0;
442 }
443 SERVER_START_REQ( set_window_owner )
444 {
445 req->handle = hwnd;
446 req->owner = owner;
447 if (!wine_server_call( req ))
448 {
449 win->owner = reply->full_owner;
450 ret = reply->prev_owner;
451 }
452 }
453 SERVER_END_REQ;
454 WIN_ReleasePtr( win );
455 return ret;
456 }
457
458
459 /***********************************************************************
460 * WIN_SetStyle
461 *
462 * Change the style of a window.
463 */
464 LONG WIN_SetStyle( HWND hwnd, LONG style )
465 {
466 BOOL ok;
467 LONG ret = 0;
468 WND *win = WIN_GetPtr( hwnd );
469
470 if (!win) return 0;
471 if (win == WND_OTHER_PROCESS)
472 {
473 if (IsWindow(hwnd))
474 ERR( "cannot set style %lx on other process window %p\n", style, hwnd );
475 return 0;
476 }
477 if (style == win->dwStyle)
478 {
479 WIN_ReleasePtr( win );
480 return style;
481 }
482 SERVER_START_REQ( set_window_info )
483 {
484 req->handle = hwnd;
485 req->flags = SET_WIN_STYLE;
486 req->style = style;
487 req->extra_offset = -1;
488 if ((ok = !wine_server_call( req )))
489 {
490 ret = reply->old_style;
491 win->dwStyle = style;
492 }
493 }
494 SERVER_END_REQ;
495 WIN_ReleasePtr( win );
496 if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, ret );
497 return ret;
498 }
499
500
501 /***********************************************************************
502 * WIN_SetExStyle
503 *
504 * Change the extended style of a window.
505 */
506 LONG WIN_SetExStyle( HWND hwnd, LONG style )
507 {
508 LONG ret = 0;
509 WND *win = WIN_GetPtr( hwnd );
510
511 if (!win) return 0;
512 if (win == WND_OTHER_PROCESS)
513 {
514 if (IsWindow(hwnd))
515 ERR( "cannot set exstyle %lx on other process window %p\n", style, hwnd );
516 return 0;
517 }
518 if (style == win->dwExStyle)
519 {
520 WIN_ReleasePtr( win );
521 return style;
522 }
523 SERVER_START_REQ( set_window_info )
524 {
525 req->handle = hwnd;
526 req->flags = SET_WIN_EXSTYLE;
527 req->ex_style = style;
528 req->extra_offset = -1;
529 if (!wine_server_call( req ))
530 {
531 ret = reply->old_ex_style;
532 win->dwExStyle = style;
533 }
534 }
535 SERVER_END_REQ;
536 WIN_ReleasePtr( win );
537 return ret;
538 }
539
540
541 /***********************************************************************
542 * WIN_SetRectangles
543 *
544 * Set the window and client rectangles.
545 */
546 void WIN_SetRectangles( HWND hwnd, const RECT *rectWindow, const RECT *rectClient )
547 {
548 WND *win = WIN_GetPtr( hwnd );
549 BOOL ret;
550
551 if (!win) return;
552 if (win == WND_OTHER_PROCESS)
553 {
554 if (IsWindow( hwnd )) ERR( "cannot set rectangles of other process window %p\n", hwnd );
555 return;
556 }
557 SERVER_START_REQ( set_window_rectangles )
558 {
559 req->handle = hwnd;
560 req->window.left = rectWindow->left;
561 req->window.top = rectWindow->top;
562 req->window.right = rectWindow->right;
563 req->window.bottom = rectWindow->bottom;
564 req->client.left = rectClient->left;
565 req->client.top = rectClient->top;
566 req->client.right = rectClient->right;
567 req->client.bottom = rectClient->bottom;
568 ret = !wine_server_call( req );
569 }
570 SERVER_END_REQ;
571 if (ret)
572 {
573 win->rectWindow = *rectWindow;
574 win->rectClient = *rectClient;
575
576 TRACE( "win %p window (%ld,%ld)-(%ld,%ld) client (%ld,%ld)-(%ld,%ld)\n", hwnd,
577 rectWindow->left, rectWindow->top, rectWindow->right, rectWindow->bottom,
578 rectClient->left, rectClient->top, rectClient->right, rectClient->bottom );
579 }
580 WIN_ReleasePtr( win );
581 }
582
583
584 /***********************************************************************
585 * WIN_GetRectangles
586 *
587 * Get the window and client rectangles.
588 */
589 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
590 {
591 WND *win = WIN_GetPtr( hwnd );
592 BOOL ret = TRUE;
593
594 if (!win) return FALSE;
595 if (win == WND_OTHER_PROCESS)
596 {
597 SERVER_START_REQ( get_window_rectangles )
598 {
599 req->handle = hwnd;
600 if ((ret = !wine_server_call( req )))
601 {
602 if (rectWindow)
603 {
604 rectWindow->left = reply->window.left;
605 rectWindow->top = reply->window.top;
606 rectWindow->right = reply->window.right;
607 rectWindow->bottom = reply->window.bottom;
608 }
609 if (rectClient)
610 {
611 rectClient->left = reply->client.left;
612 rectClient->top = reply->client.top;
613 rectClient->right = reply->client.right;
614 rectClient->bottom = reply->client.bottom;
615 }
616 }
617 }
618 SERVER_END_REQ;
619 }
620 else
621 {
622 if (rectWindow) *rectWindow = win->rectWindow;
623 if (rectClient) *rectClient = win->rectClient;
624 WIN_ReleasePtr( win );
625 }
626 return ret;
627 }
628
629
630 /***********************************************************************
631 * WIN_DestroyWindow
632 *
633 * Destroy storage associated to a window. "Internals" p.358
634 */
635 LRESULT WIN_DestroyWindow( HWND hwnd )
636 {
637 WND *wndPtr;
638 HWND *list;
639
640 TRACE("%p\n", hwnd );
641
642 if (!(hwnd = WIN_IsCurrentThread( hwnd )))
643 {
644 ERR( "window doesn't belong to current thread\n" );
645 return 0;
646 }
647
648 /* free child windows */
649 if ((list = WIN_ListChildren( hwnd )))
650 {
651 int i;
652 for (i = 0; list[i]; i++)
653 {
654 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
655 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
656 }
657 HeapFree( GetProcessHeap(), 0, list );
658 }
659
660 /*
661 * Clear the update region to make sure no WM_PAINT messages will be
662 * generated for this window while processing the WM_NCDESTROY.
663 */
664 RedrawWindow( hwnd, NULL, 0,
665 RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
666
667 /*
668 * Send the WM_NCDESTROY to the window being destroyed.
669 */
670 SendMessageA( hwnd, WM_NCDESTROY, 0, 0);
671
672 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
673
674 WINPOS_CheckInternalPos( hwnd );
675 if( hwnd == GetCapture()) ReleaseCapture();
676
677 /* free resources associated with the window */
678
679 TIMER_RemoveWindowTimers( hwnd );
680
681 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
682
683 if (!(wndPtr->dwStyle & WS_CHILD))
684 {
685 HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 );
686 if (menu) DestroyMenu( menu );
687 }
688 if (wndPtr->hSysMenu)
689 {
690 DestroyMenu( wndPtr->hSysMenu );
691 wndPtr->hSysMenu = 0;
692 }
693 DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */
694 USER_Driver.pDestroyWindow( hwnd );
695 WINPROC_FreeProc( wndPtr->winproc, WIN_PROC_WINDOW );
696 wndPtr->class = NULL;
697 wndPtr->dwMagic = 0; /* Mark it as invalid */
698 WIN_ReleaseWndPtr( wndPtr );
699 return 0;
700 }
701
702 /***********************************************************************
703 * WIN_DestroyThreadWindows
704 *
705 * Destroy all children of 'wnd' owned by the current thread.
706 * Return TRUE if something was done.
707 */
708 void WIN_DestroyThreadWindows( HWND hwnd )
709 {
710 HWND *list;
711 int i;
712
713 if (!(list = WIN_ListChildren( hwnd ))) return;
714 for (i = 0; list[i]; i++)
715 {
716 if (WIN_IsCurrentThread( list[i] ))
717 DestroyWindow( list[i] );
718 else
719 WIN_DestroyThreadWindows( list[i] );
720 }
721 HeapFree( GetProcessHeap(), 0, list );
722 }
723
724 /***********************************************************************
725 * WIN_CreateDesktopWindow
726 *
727 * Create the desktop window.
728 */
729 BOOL WIN_CreateDesktopWindow(void)
730 {
731 HWND hwndDesktop;
732 CREATESTRUCTA cs;
733 RECT rect;
734
735 TRACE("Creating desktop window\n");
736
737 if (!WINPOS_CreateInternalPosAtom()) return FALSE;
738
739 pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W );
740 if (!pWndDesktop) return FALSE;
741 hwndDesktop = pWndDesktop->hwndSelf;
742
743 pWndDesktop->tid = 0; /* nobody owns the desktop */
744 pWndDesktop->parent = 0;
745 pWndDesktop->owner = 0;
746 pWndDesktop->text = NULL;
747 pWndDesktop->hrgnUpdate = 0;
748 pWndDesktop->pVScroll = NULL;
749 pWndDesktop->pHScroll = NULL;
750 pWndDesktop->helpContext = 0;
751 pWndDesktop->flags = 0;
752 pWndDesktop->hSysMenu = 0;
753
754 cs.lpCreateParams = NULL;
755 cs.hInstance = 0;
756 cs.hMenu = 0;
757 cs.hwndParent = 0;
758 cs.x = 0;
759 cs.y = 0;
760 cs.cx = GetSystemMetrics( SM_CXSCREEN );
761 cs.cy = GetSystemMetrics( SM_CYSCREEN );
762 cs.style = pWndDesktop->dwStyle;
763 cs.dwExStyle = pWndDesktop->dwExStyle;
764 cs.lpszName = NULL;
765 cs.lpszClass = DESKTOP_CLASS_ATOM;
766
767 SetRect( &rect, 0, 0, cs.cx, cs.cy );
768 WIN_SetRectangles( hwndDesktop, &rect, &rect );
769
770 SERVER_START_REQ( set_window_info )
771 {
772 req->handle = hwndDesktop;
773 req->flags = 0; /* don't set anything, just retrieve */
774 req->extra_offset = -1;
775 wine_server_call( req );
776 pWndDesktop->dwStyle = reply->old_style;
777 pWndDesktop->dwExStyle = reply->old_ex_style;
778 pWndDesktop->hInstance = (HINSTANCE)reply->old_instance;
779 pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data;
780 pWndDesktop->wIDmenu = reply->old_id;
781 }
782 SERVER_END_REQ;
783
784 if (!USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE ))
785 {
786 WIN_ReleaseWndPtr( pWndDesktop );
787 return FALSE;
788 }
789
790 pWndDesktop->flags |= WIN_NEEDS_ERASEBKGND;
791 WIN_ReleaseWndPtr( pWndDesktop );
792 return TRUE;
793 }
794
795
796 /***********************************************************************
797 * WIN_FixCoordinates
798 *
799 * Fix the coordinates - Helper for WIN_CreateWindowEx.
800 * returns default show mode in sw.
801 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
802 */
803 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
804 {
805 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
806 cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
807 {
808 if (cs->style & (WS_CHILD | WS_POPUP))
809 {
810 if (cs->dwExStyle & WS_EX_MDICHILD)
811 {
812 POINT pos[2];
813
814 MDI_CalcDefaultChildPos(cs->hwndParent, -1, pos, 0);
815
816 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
817 {
818 cs->x = pos[0].x;
819 cs->y = pos[0].y;
820 }
821 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16 || !cs->cx)
822 cs->cx = pos[1].x;
823 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16 || !cs->cy)
824 cs->cy = pos[1].y;
825 }
826 else
827 {
828 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
829 cs->x = cs->y = 0;
830 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
831 cs->cx = cs->cy = 0;
832 }
833 }
834 else /* overlapped window */
835 {
836 STARTUPINFOA info;
837
838 GetStartupInfoA( &info );
839
840 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
841 {
842 /* Never believe Microsoft's documentation... CreateWindowEx doc says
843 * that if an overlapped window is created with WS_VISIBLE style bit
844 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
845 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
846 * reveals that
847 *
848 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
849 * 2) it does not ignore the y parameter as the docs claim; instead, it
850 * uses it as second parameter to ShowWindow() unless y is either
851 * CW_USEDEFAULT or CW_USEDEFAULT16.
852 *
853 * The fact that we didn't do 2) caused bogus windows pop up when wine
854 * was running apps that were using this obscure feature. Example -
855 * calc.exe that comes with Win98 (only Win98, it's different from
856 * the one that comes with Win95 and NT)
857 */
858 if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
859 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
860 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
861 }
862
863 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
864 {
865 if (info.dwFlags & STARTF_USESIZE)
866 {
867 cs->cx = info.dwXSize;
868 cs->cy = info.dwYSize;
869 }
870 else /* if no other hint from the app, pick 3/4 of the screen real estate */
871 {
872 RECT r;
873 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
874 cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
875 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
876 }
877 }
878 }
879 }
880 else
881 {
882 /* neither x nor cx are default. Check the y values .
883 * In the trace we see Outlook and Outlook Express using
884 * cy set to CW_USEDEFAULT when opening the address book.
885 */
886 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
887 RECT r;
888 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
889 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
890 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
891 }
892 }
893 }
894
895 /***********************************************************************
896 * dump_window_styles
897 */
898 static void dump_window_styles( DWORD style, DWORD exstyle )
899 {
900 TRACE( "style:" );
901 if(style & WS_POPUP) TRACE(" WS_POPUP");
902 if(style & WS_CHILD) TRACE(" WS_CHILD");
903 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
904 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
905 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
906 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
907 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
908 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
909 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
910 else
911 {
912 if(style & WS_BORDER) TRACE(" WS_BORDER");
913 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
914 }
915 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
916 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
917 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
918 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
919 if(style & WS_GROUP) TRACE(" WS_GROUP");
920 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
921 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
922 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
923
924 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
925 #define DUMPED_STYLES \
926 (WS_POPUP | \
927 WS_CHILD | \
928 WS_MINIMIZE | \
929 WS_VISIBLE | \
930 WS_DISABLED | \
931 WS_CLIPSIBLINGS | \
932 WS_CLIPCHILDREN | \
933 WS_MAXIMIZE | \
934 WS_BORDER | \
935 WS_DLGFRAME | \
936 WS_VSCROLL | \
937 WS_HSCROLL | \
938 WS_SYSMENU | \
939 WS_THICKFRAME | \
940 WS_GROUP | \
941 WS_TABSTOP | \
942 WS_MINIMIZEBOX | \
943 WS_MAXIMIZEBOX)
944
945 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
946 TRACE("\n");
947 #undef DUMPED_STYLES
948
949 TRACE( "exstyle:" );
950 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
951 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
952 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
953 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
954 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
955 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
956 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
957 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
958 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
959 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
960 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
961 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
962 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
963 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
964 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
965 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
966 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
967 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
968
969 #define DUMPED_EX_STYLES \
970 (WS_EX_DLGMODALFRAME | \
971 WS_EX_DRAGDETECT | \
972 WS_EX_NOPARENTNOTIFY | \
973 WS_EX_TOPMOST | \
974 WS_EX_ACCEPTFILES | \
975 WS_EX_TRANSPARENT | \
976 WS_EX_MDICHILD | \
977 WS_EX_TOOLWINDOW | \
978 WS_EX_WINDOWEDGE | \
979 WS_EX_CLIENTEDGE | \
980 WS_EX_CONTEXTHELP | \
981 WS_EX_RIGHT | \
982 WS_EX_RTLREADING | \
983 WS_EX_LEFTSCROLLBAR | \
984 WS_EX_CONTROLPARENT | \
985 WS_EX_STATICEDGE | \
986 WS_EX_APPWINDOW | \
987 WS_EX_LAYERED)
988
989 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
990 TRACE("\n");
991 #undef DUMPED_EX_STYLES
992 }
993
994
995 /***********************************************************************
996 * WIN_CreateWindowEx
997 *
998 * Implementation of CreateWindowEx().
999 */
1000 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
1001 WINDOWPROCTYPE type )
1002 {
1003 INT sw = SW_SHOW;
1004 WND *wndPtr;
1005 HWND hwnd, parent, owner, top_child = 0;
1006 BOOL unicode = (type == WIN_PROC_32W);
1007
1008 TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
1009 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
1010 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
1011 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
1012 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
1013
1014 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
1015
1016 TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" :
1017 ((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
1018
1019 /* Fix the styles for MDI children */
1020 if (cs->dwExStyle & WS_EX_MDICHILD)
1021 {
1022 MDICREATESTRUCTA mdi_cs;
1023 UINT flags = 0;
1024
1025 wndPtr = WIN_GetPtr(cs->hwndParent);
1026 if (wndPtr && wndPtr != WND_OTHER_PROCESS)
1027 {
1028 flags = wndPtr->flags;
1029 WIN_ReleasePtr(wndPtr);
1030 }
1031
1032 if (!(flags & WIN_ISMDICLIENT))
1033 {
1034 WARN("WS_EX_MDICHILD, but parent %p is not MDIClient\n", cs->hwndParent);
1035 return 0;
1036 }
1037
1038 /* cs->lpCreateParams of WM_[NC]CREATE is different for MDI children.
1039 * MDICREATESTRUCT members have the originally passed values.
1040 *
1041 * Note: we rely on the fact that MDICREATESTRUCTA and MDICREATESTRUCTW
1042 * have the same layout.
1043 */
1044 mdi_cs.szClass = cs->lpszClass;
1045 mdi_cs.szTitle = cs->lpszName;
1046 mdi_cs.hOwner = cs->hInstance;
1047 mdi_cs.x = cs->x;
1048 mdi_cs.y = cs->y;
1049 mdi_cs.cx = cs->cx;
1050 mdi_cs.cy = cs->cy;
1051 mdi_cs.style = cs->style;
1052 mdi_cs.lParam = (LPARAM)cs->lpCreateParams;
1053
1054 cs->lpCreateParams = (LPVOID)&mdi_cs;
1055
1056 if (GetWindowLongW(cs->hwndParent, GWL_STYLE) & MDIS_ALLCHILDSTYLES)
1057 {
1058 if (cs->style & WS_POPUP)
1059 {
1060 TRACE("WS_POPUP with MDIS_ALLCHILDSTYLES is not allowed\n");
1061 return 0;
1062 }
1063 cs->style |= WS_CHILD | WS_CLIPSIBLINGS;
1064 }
1065 else
1066 {
1067 cs->style &= ~WS_POPUP;
1068 cs->style |= WS_CHILD | WS_VISIBLE | WS_CLIPSIBLINGS | WS_CAPTION |
1069 WS_SYSMENU | WS_THICKFRAME | WS_MINIMIZEBOX | WS_MAXIMIZEBOX;
1070 }
1071
1072 top_child = GetWindow(cs->hwndParent, GW_CHILD);
1073 }
1074
1075 /* Find the parent window */
1076
1077 parent = GetDesktopWindow();
1078 owner = 0;
1079
1080 if (cs->hwndParent == HWND_MESSAGE)
1081 {
1082 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
1083 * message window (style: WS_POPUP|WS_DISABLED)
1084 */
1085 FIXME("Parent is HWND_MESSAGE\n");
1086 }
1087 else if (cs->hwndParent)
1088 {
1089 /* Make sure parent is valid */
1090 if (!IsWindow( cs->hwndParent ))
1091 {
1092 WARN("Bad parent %p\n", cs->hwndParent );
1093 return 0;
1094 }
1095 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1096 parent = WIN_GetFullHandle(cs->hwndParent);
1097 else
1098 owner = GetAncestor( cs->hwndParent, GA_ROOT );
1099 }
1100 else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1101 {
1102 WARN("No parent for child window\n" );
1103 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1104 }
1105
1106 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1107
1108 /* Correct the window styles.
1109 *
1110 * It affects both the style loaded into the WIN structure and
1111 * passed in the CREATESTRUCT to the WM_[NC]CREATE.
1112 *
1113 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1114 * why does the user get to set it?
1115 */
1116
1117 /* This has been tested for WS_CHILD | WS_VISIBLE. It has not been
1118 * tested for WS_POPUP
1119 */
1120 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1121 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1122 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1123 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1124 else
1125 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1126
1127 if (!(cs->style & WS_CHILD))
1128 {
1129 cs->style |= WS_CLIPSIBLINGS;
1130 if (!(cs->style & WS_POPUP))
1131 cs->style |= WS_CAPTION;
1132 }
1133
1134 /* Create the window structure */
1135
1136 if (!(wndPtr = create_window_handle( parent, owner, classAtom, cs->hInstance, type )))
1137 {
1138 TRACE("out of memory\n" );
1139 return 0;
1140 }
1141 hwnd = wndPtr->hwndSelf;
1142
1143 /* Fill the window structure */
1144
1145 wndPtr->tid = GetCurrentThreadId();
1146 wndPtr->owner = owner;
1147 wndPtr->parent = parent;
1148 wndPtr->hInstance = cs->hInstance;
1149 wndPtr->text = NULL;
1150 wndPtr->hrgnUpdate = 0;
1151 wndPtr->hrgnWnd = 0;
1152 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1153 wndPtr->dwExStyle = cs->dwExStyle;
1154 wndPtr->wIDmenu = 0;
1155 wndPtr->helpContext = 0;
1156 wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
1157 wndPtr->pVScroll = NULL;
1158 wndPtr->pHScroll = NULL;
1159 wndPtr->userdata = 0;
1160 wndPtr->hIcon = 0;
1161 wndPtr->hIconSmall = 0;
1162 wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0;
1163
1164 if (!(cs->style & (WS_CHILD | WS_POPUP)))
1165 wndPtr->flags |= WIN_NEED_SIZE;
1166
1167 SERVER_START_REQ( set_window_info )
1168 {
1169 req->handle = hwnd;
1170 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE;
1171 req->style = wndPtr->dwStyle;
1172 req->ex_style = wndPtr->dwExStyle;
1173 req->instance = (void *)wndPtr->hInstance;
1174 req->extra_offset = -1;
1175 wine_server_call( req );
1176 }
1177 SERVER_END_REQ;
1178
1179 /* Get class or window DC if needed */
1180
1181 if (wndPtr->clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
1182
1183 /* Set the window menu */
1184
1185 if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) ||
1186 (wndPtr->dwExStyle & WS_EX_APPWINDOW))
1187 {
1188 if (cs->hMenu) MENU_SetMenu(hwnd, cs->hMenu);
1189 else
1190 {
1191 LPCSTR menuName = (LPCSTR)GetClassLongA( hwnd, GCL_MENUNAME );
1192 if (menuName)
1193 {
1194 if (HIWORD(cs->hInstance))
1195 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1196 else
1197 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1198
1199 if (cs->hMenu) MENU_SetMenu( hwnd, cs->hMenu );
1200 }
1201 }
1202 }
1203 else SetWindowLongW( hwnd, GWL_ID, (UINT)cs->hMenu );
1204 WIN_ReleaseWndPtr( wndPtr );
1205
1206 if (!USER_Driver.pCreateWindow( hwnd, cs, unicode))
1207 {
1208 WIN_DestroyWindow( hwnd );
1209 return 0;
1210 }
1211
1212 /* Notify the parent window only */
1213
1214 send_parent_notify( hwnd, WM_CREATE );
1215 if (!IsWindow( hwnd )) return 0;
1216
1217 if (cs->dwExStyle & WS_EX_MDICHILD)
1218 {
1219 if (top_child)
1220 {
1221 /* Restore current maximized child */
1222 if((cs->style & WS_VISIBLE) && IsZoomed(top_child))
1223 {
1224 TRACE("Restoring current maximized child %p\n", top_child);
1225 ShowWindow(top_child, SW_SHOWNOACTIVATE);
1226 }
1227 }
1228
1229 SendMessageW(cs->hwndParent, WM_MDIREFRESHMENU, 0, 0);
1230 }
1231
1232 if (cs->style & WS_VISIBLE)
1233 {
1234 /* in case WS_VISIBLE got set in the meantime */
1235 if (!(wndPtr = WIN_GetPtr( hwnd ))) return 0;
1236 WIN_SetStyle( hwnd, wndPtr->dwStyle & ~WS_VISIBLE );
1237 WIN_ReleasePtr( wndPtr );
1238 ShowWindow( hwnd, sw );
1239 }
1240
1241 /* Call WH_SHELL hook */
1242
1243 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1244 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1245
1246 TRACE("created window %p\n", hwnd);
1247 return hwnd;
1248 }
1249
1250
1251 /***********************************************************************
1252 * CreateWindow (USER.41)
1253 */
1254 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1255 DWORD style, INT16 x, INT16 y, INT16 width,
1256 INT16 height, HWND16 parent, HMENU16 menu,
1257 HINSTANCE16 instance, LPVOID data )
1258 {
1259 return CreateWindowEx16( 0, className, windowName, style,
1260 x, y, width, height, parent, menu, instance, data );
1261 }
1262
1263
1264 /***********************************************************************
1265 * CreateWindowEx (USER.452)
1266 */
1267 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1268 LPCSTR windowName, DWORD style, INT16 x,
1269 INT16 y, INT16 width, INT16 height,
1270 HWND16 parent, HMENU16 menu,
1271 HINSTANCE16 instance, LPVOID data )
1272 {
1273 ATOM classAtom;
1274 CREATESTRUCTA cs;
1275 char buffer[256];
1276
1277 /* Find the class atom */
1278
1279 if (HIWORD(className))
1280 {
1281 if (!(classAtom = GlobalFindAtomA( className )))
1282 {
1283 ERR( "bad class name %s\n", debugstr_a(className) );
1284 return 0;
1285 }
1286 }
1287 else
1288 {
1289 classAtom = LOWORD(className);
1290 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1291 {
1292 ERR( "bad atom %x\n", classAtom);
1293 return 0;
1294 }
1295 className = buffer;
1296 }
1297
1298 /* Fix the coordinates */
1299
1300 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1301 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1302 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1303 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1304
1305 /* Create the window */
1306
1307 cs.lpCreateParams = data;
1308 cs.hInstance = HINSTANCE_32(instance);
1309 cs.hMenu = HMENU_32(menu);
1310 cs.hwndParent = WIN_Handle32( parent );
1311 cs.style = style;
1312 cs.lpszName = windowName;
1313 cs.lpszClass = className;
1314 cs.dwExStyle = exStyle;
1315
1316 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 ));
1317 }
1318
1319
1320 /***********************************************************************
1321 * CreateWindowExA (USER32.@)
1322 */
1323 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1324 LPCSTR windowName, DWORD style, INT x,
1325 INT y, INT width, INT height,
1326 HWND parent, HMENU menu,
1327 HINSTANCE instance, LPVOID data )
1328 {
1329 ATOM classAtom;
1330 CREATESTRUCTA cs;
1331 char buffer[256];
1332
1333 /* Find the class atom */
1334
1335 if (HIWORD(className))
1336 {
1337 if (!(classAtom = GlobalFindAtomA( className )))
1338 {
1339 ERR( "bad class name %s\n", debugstr_a(className) );
1340 return 0;
1341 }
1342 }
1343 else
1344 {
1345 classAtom = LOWORD(className);
1346 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1347 {
1348 ERR( "bad atom %x\n", classAtom);
1349 return 0;
1350 }
1351 className = buffer;
1352 }
1353
1354 /* Create the window */
1355
1356 cs.lpCreateParams = data;
1357 cs.hInstance = instance;
1358 cs.hMenu = menu;
1359 cs.hwndParent = parent;
1360 cs.x = x;
1361 cs.y = y;
1362 cs.cx = width;
1363 cs.cy = height;
1364 cs.style = style;
1365 cs.lpszName = windowName;
1366 cs.lpszClass = className;
1367 cs.dwExStyle = exStyle;
1368
1369 return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A );
1370 }
1371
1372
1373 /***********************************************************************
1374 * CreateWindowExW (USER32.@)
1375 */
1376 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1377 LPCWSTR windowName, DWORD style, INT x,
1378 INT y, INT width, INT height,
1379 HWND parent, HMENU menu,
1380 HINSTANCE instance, LPVOID data )
1381 {
1382 ATOM classAtom;
1383 CREATESTRUCTW cs;
1384 WCHAR buffer[256];
1385
1386 /* Find the class atom */
1387
1388 if (HIWORD(className))
1389 {
1390 if (!(classAtom = GlobalFindAtomW( className )))
1391 {
1392 ERR( "bad class name %s\n", debugstr_w(className) );
1393 return 0;
1394 }
1395 }
1396 else
1397 {
1398 classAtom = LOWORD(className);
1399 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1400 {
1401 ERR( "bad atom %x\n", classAtom);
1402 return 0;
1403 }
1404 className = buffer;
1405 }
1406
1407 /* Create the window */
1408
1409 cs.lpCreateParams = data;
1410 cs.hInstance = instance;
1411 cs.hMenu = menu;
1412 cs.hwndParent = parent;
1413 cs.x = x;
1414 cs.y = y;
1415 cs.cx = width;
1416 cs.cy = height;
1417 cs.style = style;
1418 cs.lpszName = windowName;
1419 cs.lpszClass = className;
1420 cs.dwExStyle = exStyle;
1421
1422 /* Note: we rely on the fact that CREATESTRUCTA and */
1423 /* CREATESTRUCTW have the same layout. */
1424 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W );
1425 }
1426
1427
1428 /***********************************************************************
1429 * WIN_SendDestroyMsg
1430 */
1431 static void WIN_SendDestroyMsg( HWND hwnd )
1432 {
1433 GUITHREADINFO info;
1434
1435 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1436 {
1437 if (hwnd == info.hwndCaret) DestroyCaret();
1438 }
1439 if (USER_Driver.pResetSelectionOwner)
1440 USER_Driver.pResetSelectionOwner( hwnd, TRUE );
1441
1442 /*
1443 * Send the WM_DESTROY to the window.
1444 */
1445 SendMessageA( hwnd, WM_DESTROY, 0, 0);
1446
1447 /*
1448 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1449 * make sure that the window still exists when we come back.
1450 */
1451 if (IsWindow(hwnd))
1452 {
1453 HWND* pWndArray;
1454 int i;
1455
1456 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1457
1458 /* start from the end (FIXME: is this needed?) */
1459 for (i = 0; pWndArray[i]; i++) ;
1460
1461 while (--i >= 0)
1462 {
1463 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1464 }
1465 HeapFree( GetProcessHeap(), 0, pWndArray );
1466 }
1467 else
1468 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1469 }
1470
1471
1472 /***********************************************************************
1473 * DestroyWindow (USER32.@)
1474 */
1475 BOOL WINAPI DestroyWindow( HWND hwnd )
1476 {
1477 BOOL is_child;
1478 HWND h;
1479
1480 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1481 {
1482 SetLastError( ERROR_ACCESS_DENIED );
1483 return FALSE;
1484 }
1485
1486 TRACE("(%p)\n", hwnd);
1487
1488 /* Look whether the focus is within the tree of windows we will
1489 * be destroying.
1490 */
1491 h = GetFocus();
1492 if (h == hwnd || IsChild( hwnd, h ))
1493 {
1494 HWND parent = GetAncestor( hwnd, GA_PARENT );
1495 if (parent == GetDesktopWindow()) parent = 0;
1496 SetFocus( parent );
1497 }
1498
1499 if (GetWindowLongW(hwnd, GWL_EXSTYLE) & WS_EX_MDICHILD)
1500 SendMessageW(GetAncestor(hwnd, GA_PARENT), WM_MDIREFRESHMENU, 0, 0);
1501
1502 /* Call hooks */
1503
1504 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1505
1506 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1507
1508 if (is_child)
1509 {
1510 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1511 send_parent_notify( hwnd, WM_DESTROY );
1512 }
1513 else if (!GetWindow( hwnd, GW_OWNER ))
1514 {
1515 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1516 /* FIXME: clean up palette - see "Internals" p.352 */
1517 }
1518
1519 if (!IsWindow(hwnd)) return TRUE;
1520
1521 if (USER_Driver.pResetSelectionOwner)
1522 USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */
1523
1524 /* Hide the window */
1525
1526 if (!ShowWindow( hwnd, SW_HIDE ))
1527 {
1528 if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
1529 }
1530 if (!IsWindow(hwnd)) return TRUE;
1531
1532 /* Recursively destroy owned windows */
1533
1534 if (!is_child)
1535 {
1536 for (;;)
1537 {
1538 int i, got_one = 0;
1539 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1540 if (list)
1541 {
1542 for (i = 0; list[i]; i++)
1543 {
1544 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1545 if (WIN_IsCurrentThread( list[i] ))
1546 {
1547 DestroyWindow( list[i] );
1548 got_one = 1;
1549 continue;
1550 }
1551 WIN_SetOwner( list[i], 0 );
1552 }
1553 HeapFree( GetProcessHeap(), 0, list );
1554 }
1555 if (!got_one) break;
1556 }
1557 }
1558
1559 /* Send destroy messages */
1560
1561 WIN_SendDestroyMsg( hwnd );
1562 if (!IsWindow( hwnd )) return TRUE;
1563
1564 if (GetClipboardOwner() == hwnd)
1565 CLIPBOARD_ReleaseOwner();
1566
1567 /* Unlink now so we won't bother with the children later on */
1568
1569 WIN_UnlinkWindow( hwnd );
1570
1571 /* Destroy the window storage */
1572
1573 WIN_DestroyWindow( hwnd );
1574 return TRUE;
1575 }
1576
1577
1578 /***********************************************************************
1579 * CloseWindow (USER32.@)
1580 */
1581 BOOL WINAPI CloseWindow( HWND hwnd )
1582 {
1583 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1584 ShowWindow( hwnd, SW_MINIMIZE );
1585 return TRUE;
1586 }
1587
1588
1589 /***********************************************************************
1590 * OpenIcon (USER32.@)
1591 */
1592 BOOL WINAPI OpenIcon( HWND hwnd )
1593 {
1594 if (!IsIconic( hwnd )) return FALSE;
1595 ShowWindow( hwnd, SW_SHOWNORMAL );
1596 return TRUE;
1597 }
1598
1599
1600 /***********************************************************************
1601 * WIN_FindWindow
1602 *
1603 * Implementation of FindWindow() and FindWindowEx().
1604 */
1605 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1606 {
1607 HWND *list = NULL;
1608 HWND retvalue = 0;
1609 int i = 0, len = 0;
1610 WCHAR *buffer = NULL;
1611
1612 if (!parent) parent = GetDesktopWindow();
1613 if (title)
1614 {
1615 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1616 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1617 }
1618
1619 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1620
1621 if (child)
1622 {
1623 child = WIN_GetFullHandle( child );
1624 while (list[i] && list[i] != child) i++;
1625 if (!list[i]) goto done;
1626 i++; /* start from next window */
1627 }
1628
1629 if (title)
1630 {
1631 while (list[i])
1632 {
1633 if (GetWindowTextW( list[i], buffer, len + 1 ) && !strcmpiW( buffer, title )) break;
1634 i++;
1635 }
1636 }
1637 retvalue = list[i];
1638
1639 done:
1640 if (list) HeapFree( GetProcessHeap(), 0, list );
1641 if (buffer) HeapFree( GetProcessHeap(), 0, buffer );
1642 return retvalue;
1643 }
1644
1645
1646
1647 /***********************************************************************
1648 * FindWindowA (USER32.@)
1649 */
1650 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1651 {
1652 HWND ret = FindWindowExA( 0, 0, className, title );
1653 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1654 return ret;
1655 }
1656
1657
1658 /***********************************************************************
1659 * FindWindowExA (USER32.@)
1660 */
1661 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1662 LPCSTR className, LPCSTR title )
1663 {
1664 ATOM atom = 0;
1665 LPWSTR buffer;
1666 HWND hwnd;
1667 INT len;
1668
1669 if (className)
1670 {
1671 /* If the atom doesn't exist, then no class */
1672 /* with this name exists either. */
1673 if (!(atom = GlobalFindAtomA( className )))
1674 {
1675 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1676 return 0;
1677 }
1678 }
1679 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1680
1681 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1682 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1683 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1684 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1685 HeapFree( GetProcessHeap(), 0, buffer );
1686 return hwnd;
1687 }
1688
1689
1690 /***********************************************************************
1691 * FindWindowExW (USER32.@)
1692 */
1693 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1694 LPCWSTR className, LPCWSTR title )
1695 {
1696 ATOM atom = 0;
1697
1698 if (className)
1699 {
1700 /* If the atom doesn't exist, then no class */
1701 /* with this name exists either. */
1702 if (!(atom = GlobalFindAtomW( className )))
1703 {
1704 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1705 return 0;
1706 }
1707 }
1708 return WIN_FindWindow( parent, child, atom, title );
1709 }
1710
1711
1712 /***********************************************************************
1713 * FindWindowW (USER32.@)
1714 */
1715 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1716 {
1717 return FindWindowExW( 0, 0, className, title );
1718 }
1719
1720
1721 /**********************************************************************
1722 * GetDesktopWindow (USER32.@)
1723 */
1724 HWND WINAPI GetDesktopWindow(void)
1725 {
1726 if (pWndDesktop) return pWndDesktop->hwndSelf;
1727 ERR( "Wine init error: either you're trying to use an invalid native USER.EXE config, or some graphics/GUI libraries or DLLs didn't initialize properly. Aborting.\n" );
1728 ExitProcess(1);
1729 return 0;
1730 }
1731
1732
1733 /*******************************************************************
1734 * EnableWindow (USER32.@)
1735 */
1736 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1737 {
1738 WND *wndPtr;
1739 BOOL retvalue;
1740 LONG style;
1741 HWND full_handle;
1742
1743 if (is_broadcast(hwnd))
1744 {
1745 SetLastError( ERROR_INVALID_PARAMETER );
1746 return FALSE;
1747 }
1748
1749 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1750 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1751
1752 hwnd = full_handle;
1753
1754 TRACE("( %p, %d )\n", hwnd, enable);
1755
1756 if (!(wndPtr = WIN_GetPtr( hwnd ))) return FALSE;
1757 style = wndPtr->dwStyle;
1758 retvalue = ((style & WS_DISABLED) != 0);
1759 WIN_ReleasePtr( wndPtr );
1760
1761 if (enable && retvalue)
1762 {
1763 WIN_SetStyle( hwnd, style & ~WS_DISABLED );
1764 SendMessageA( hwnd, WM_ENABLE, TRUE, 0 );
1765 }
1766 else if (!enable && !retvalue)
1767 {
1768 HWND focus_wnd, capture_wnd;
1769
1770 SendMessageA( hwnd, WM_CANCELMODE, 0, 0);
1771
1772 WIN_SetStyle( hwnd, style | WS_DISABLED );
1773
1774 focus_wnd = GetFocus();
1775 if (hwnd == focus_wnd || IsChild(hwnd, focus_wnd))
1776 SetFocus( 0 ); /* A disabled window can't have the focus */
1777
1778 capture_wnd = GetCapture();
1779 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1780 ReleaseCapture(); /* A disabled window can't capture the mouse */
1781
1782 SendMessageA( hwnd, WM_ENABLE, FALSE, 0 );
1783 }
1784 return retvalue;
1785 }
1786
1787
1788 /***********************************************************************
1789 * IsWindowEnabled (USER32.@)
1790 */
1791 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1792 {
1793 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1794 }
1795
1796
1797 /***********************************************************************
1798 * IsWindowUnicode (USER32.@)
1799 */
1800 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1801 {
1802 WND * wndPtr;
1803 BOOL retvalue;
1804
1805 if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE;
1806 retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
1807 WIN_ReleaseWndPtr(wndPtr);
1808 return retvalue;
1809 }
1810
1811
1812 /**********************************************************************
1813 * GetWindowWord (USER32.@)
1814 */
1815 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
1816 {
1817 if (offset >= 0)
1818 {
1819 WORD retvalue = 0;
1820 WND *wndPtr = WIN_GetPtr( hwnd );
1821 if (!wndPtr)
1822 {
1823 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1824 return 0;
1825 }
1826 if (wndPtr == WND_OTHER_PROCESS)
1827 {
1828 SERVER_START_REQ( set_window_info )
1829 {
1830 req->handle = hwnd;
1831 req->flags = 0; /* don't set anything, just retrieve */
1832 req->extra_offset = offset;
1833 req->extra_size = sizeof(retvalue);
1834 if (!wine_server_call_err( req ))
1835 memcpy( &retvalue, &reply->old_extra_value, sizeof(retvalue) );
1836 }
1837 SERVER_END_REQ;
1838 return retvalue;
1839 }
1840 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1841 {
1842 WARN("Invalid offset %d\n", offset );
1843 SetLastError( ERROR_INVALID_INDEX );
1844 }
1845 else memcpy( &retvalue, (char *)wndPtr->wExtra + offset, sizeof(retvalue) );
1846 WIN_ReleasePtr( wndPtr );
1847 return retvalue;
1848 }
1849
1850 switch(offset)
1851 {
1852 case GWL_HWNDPARENT:
1853 return GetWindowLongW( hwnd, offset );
1854 case GWL_ID:
1855 case GWL_HINSTANCE:
1856 {
1857 LONG ret = GetWindowLongW( hwnd, offset );
1858 if (HIWORD(ret))
1859 WARN("%d: discards high bits of 0x%08lx!\n", offset, ret );
1860 return LOWORD(ret);
1861 }
1862 default:
1863 WARN("Invalid offset %d\n", offset );
1864 return 0;
1865 }
1866 }
1867
1868
1869 /**********************************************************************
1870 * SetWindowWord (USER32.@)
1871 */
1872 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
1873 {
1874 WORD retval = 0;
1875 WND * wndPtr;
1876
1877 switch(offset)
1878 {
1879 case GWL_ID:
1880 case GWL_HINSTANCE:
1881 case GWL_HWNDPARENT:
1882 return SetWindowLongW( hwnd, offset, (UINT)newval );
1883 default:
1884 if (offset < 0)
1885 {
1886 WARN("Invalid offset %d\n", offset );
1887 SetLastError( ERROR_INVALID_INDEX );
1888 return 0;
1889 }
1890 }
1891
1892 wndPtr = WIN_GetPtr( hwnd );
1893 if (wndPtr == WND_OTHER_PROCESS)
1894 {
1895 if (IsWindow(hwnd))
1896 FIXME( "set %d <- %x not supported yet on other process window %p\n",
1897 offset, newval, hwnd );
1898 wndPtr = NULL;
1899 }
1900 if (!wndPtr)
1901 {
1902 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1903 return 0;
1904 }
1905
1906 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1907 {
1908 WARN("Invalid offset %d\n", offset );
1909 WIN_ReleasePtr(wndPtr);
1910 SetLastError( ERROR_INVALID_INDEX );
1911 return 0;
1912 }
1913
1914 SERVER_START_REQ( set_window_info )
1915 {
1916 req->handle = hwnd;
1917 req->flags = SET_WIN_EXTRA;
1918 req->extra_offset = offset;
1919 req->extra_size = sizeof(newval);
1920 memcpy( &req->extra_value, &newval, sizeof(newval) );
1921 if (!wine_server_call_err( req ))
1922 {
1923 void *ptr = (char *)wndPtr->wExtra + offset;
1924 memcpy( &retval, ptr, sizeof(retval) );
1925 memcpy( ptr, &newval, sizeof(newval) );
1926 }
1927 }
1928 SERVER_END_REQ;
1929 WIN_ReleasePtr( wndPtr );
1930 return retval;
1931 }
1932
1933
1934 /**********************************************************************
1935 * WIN_GetWindowLong
1936 *
1937 * Helper function for GetWindowLong().
1938 */
1939 static LONG WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
1940 {
1941 LONG retvalue = 0;
1942 WND *wndPtr;
1943
1944 if (offset == GWL_HWNDPARENT)
1945 {
1946 HWND parent = GetAncestor( hwnd, GA_PARENT );
1947 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1948 return (LONG)parent;
1949 }
1950
1951 if (!(wndPtr = WIN_GetPtr( hwnd )))
1952 {
1953 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1954 return 0;
1955 }
1956
1957 if (wndPtr == WND_OTHER_PROCESS)
1958 {
1959 if (offset == GWL_WNDPROC)
1960 {
1961 SetLastError( ERROR_ACCESS_DENIED );
1962 return 0;
1963 }
1964 SERVER_START_REQ( set_window_info )
1965 {
1966 req->handle = hwnd;
1967 req->flags = 0; /* don't set anything, just retrieve */
1968 req->extra_offset = (offset >= 0) ? offset : -1;
1969 req->extra_size = (offset >= 0) ? sizeof(retvalue) : 0;
1970 if (!wine_server_call_err( req ))
1971 {
1972 switch(offset)
1973 {
1974 case GWL_STYLE: retvalue = reply->old_style; break;
1975 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1976 case GWL_ID: retvalue = reply->old_id; break;
1977 case GWL_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1978 case GWL_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
1979 default:
1980 if (offset >= 0) retvalue = reply->old_extra_value;
1981 else SetLastError( ERROR_INVALID_INDEX );
1982 break;
1983 }
1984 }
1985 }
1986 SERVER_END_REQ;
1987 return retvalue;
1988 }
1989
1990 /* now we have a valid wndPtr */
1991
1992 if (offset >= 0)
1993 {
1994 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1995 {
1996 /*
1997 * Some programs try to access last element from 16 bit
1998 * code using illegal offset value. Hopefully this is
1999 * what those programs really expect.
2000 */
2001 if (type == WIN_PROC_16 &&
2002 wndPtr->cbWndExtra >= 4 &&
2003 offset == wndPtr->cbWndExtra - sizeof(WORD))
2004 {
2005 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
2006
2007 ERR( "- replaced invalid offset %d with %d\n",
2008 offset, offset2 );
2009
2010 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset2);
2011 WIN_ReleasePtr( wndPtr );
2012 return retvalue;
2013 }
2014 WARN("Invalid offset %d\n", offset );
2015 WIN_ReleasePtr( wndPtr );
2016 SetLastError( ERROR_INVALID_INDEX );
2017 return 0;
2018 }
2019 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset);
2020 /* Special case for dialog window procedure */
2021 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
2022 retvalue = (LONG)WINPROC_GetProc( (WNDPROC)retvalue, type );
2023 WIN_ReleasePtr( wndPtr );
2024 return retvalue;
2025 }
2026
2027 switch(offset)
2028 {
2029 case GWL_USERDATA: retvalue = wndPtr->userdata; break;
2030 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
2031 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
2032 case GWL_ID: retvalue = (LONG)wndPtr->wIDmenu; break;
2033 case GWL_WNDPROC: retvalue = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); break;
2034 case GWL_HINSTANCE: retvalue = (LONG)wndPtr->hInstance; break;
2035 default:
2036 WARN("Unknown offset %d\n", offset );
2037 SetLastError( ERROR_INVALID_INDEX );
2038 break;
2039 }
2040 WIN_ReleasePtr(wndPtr);
2041 return retvalue;
2042 }
2043
2044
2045 /**********************************************************************
2046 * WIN_SetWindowLong
2047 *
2048 * Helper function for SetWindowLong().
2049 *
2050 * 0 is the failure code. However, in the case of failure SetLastError
2051 * must be set to distinguish between a 0 return value and a failure.
2052 */
2053 static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
2054 WINDOWPROCTYPE type )
2055 {
2056 STYLESTRUCT style;
2057 BOOL ok;
2058 LONG retval = 0;
2059 WND *wndPtr;
2060
2061 TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
2062
2063 if (is_broadcast(hwnd))
2064 {
2065 SetLastError( ERROR_INVALID_PARAMETER );
2066 return FALSE;
2067 }
2068 if (!WIN_IsCurrentProcess( hwnd ))
2069 {
2070 if (offset == GWL_WNDPROC)
2071 {
2072 SetLastError( ERROR_ACCESS_DENIED );
2073 return 0;
2074 }
2075 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval );
2076 }
2077
2078 wndPtr = WIN_GetPtr( hwnd );
2079 if (wndPtr->hwndSelf == GetDesktopWindow())
2080 {
2081 /* can't change anything on the desktop window */
2082 WIN_ReleasePtr( wndPtr );
2083 SetLastError( ERROR_ACCESS_DENIED );
2084 return 0;
2085 }
2086
2087 /* first some special cases */
2088 switch( offset )
2089 {
2090 case GWL_STYLE:
2091 case GWL_EXSTYLE:
2092 style.styleOld =
2093 offset == GWL_STYLE ? wndPtr->dwStyle : wndPtr->dwExStyle;
2094 style.styleNew = newval;
2095 WIN_ReleasePtr( wndPtr );
2096 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
2097 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2098 newval = style.styleNew;
2099 break;
2100 case GWL_HWNDPARENT:
2101 if (wndPtr->parent == GetDesktopWindow())
2102 {
2103 WIN_ReleasePtr( wndPtr );
2104 return (LONG)WIN_SetOwner( hwnd, (HWND)newval );
2105 }
2106 else
2107 {
2108 WIN_ReleasePtr( wndPtr );
2109 return (LONG)SetParent( hwnd, (HWND)newval );
2110 }
2111 case GWL_WNDPROC:
2112 retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type );
2113 WINPROC_SetProc( &wndPtr->winproc, (WNDPROC)newval, type, WIN_PROC_WINDOW );
2114 WIN_ReleasePtr( wndPtr );
2115 return retval;
2116 case GWL_ID:
2117 case GWL_HINSTANCE:
2118 case GWL_USERDATA:
2119 break;
2120 case DWL_DLGPROC:
2121 if ((wndPtr->cbWndExtra + sizeof(LONG) >= DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
2122 {
2123 WNDPROC *ptr = (WNDPROC *)((char *)wndPtr->wExtra + DWL_DLGPROC);
2124 retval = (LONG)WINPROC_GetProc( *ptr, type );
2125 WINPROC_SetProc( ptr, (WNDPROC)newval, type, WIN_PROC_WINDOW );
2126 WIN_ReleasePtr( wndPtr );
2127 return retval;
2128 }
2129 /* fall through */
2130 default:
2131 if (offset < 0 || offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
2132 {
2133 WARN("Invalid offset %d\n", offset );
2134 WIN_ReleasePtr( wndPtr );
2135 SetLastError( ERROR_INVALID_INDEX );
2136 return 0;
2137 }
2138 else
2139 {
2140 LONG *ptr = (LONG *)((char *)wndPtr->wExtra + offset);
2141 if (*ptr == newval) /* already set to the same value */
2142 {
2143 WIN_ReleasePtr( wndPtr );
2144 return newval;
2145 }
2146 }
2147 break;
2148 }
2149
2150 SERVER_START_REQ( set_window_info )
2151 {
2152 req->handle = hwnd;
2153 req->extra_offset = -1;
2154 switch(offset)
2155 {
2156 case GWL_STYLE:
2157 req->flags = SET_WIN_STYLE;
2158 req->style = newval;
2159 break;
2160 case GWL_EXSTYLE:
2161 req->flags = SET_WIN_EXSTYLE;
2162 req->ex_style = newval;
2163 break;
2164 case GWL_ID:
2165 req->flags = SET_WIN_ID;
2166 req->id = newval;
2167 break;
2168 case GWL_HINSTANCE:
2169 req->flags = SET_WIN_INSTANCE;
2170 req->instance = (void *)newval;
2171 break;
2172 case GWL_USERDATA:
2173 req->flags = SET_WIN_USERDATA;
2174 req->user_data = (void *)newval;
2175 break;
2176 default:
2177 req->flags = SET_WIN_EXTRA;
2178 req->extra_offset = offset;
2179 req->extra_size = sizeof(newval);
2180 memcpy( &req->extra_value, &newval, sizeof(newval) );
2181 }
2182 if ((ok = !wine_server_call_err( req )))
2183 {
2184 switch(offset)
2185 {
2186 case GWL_STYLE:
2187 wndPtr->dwStyle = newval;
2188 retval = reply->old_style;
2189 break;
2190 case GWL_EXSTYLE:
2191 wndPtr->dwExStyle = newval;
2192 retval = reply->old_ex_style;
2193 break;
2194 case GWL_ID:
2195 wndPtr->wIDmenu = newval;
2196 retval = reply->old_id;
2197 break;
2198 case GWL_HINSTANCE:
2199 wndPtr->hInstance = (HINSTANCE)newval;
2200 retval = (ULONG_PTR)reply->old_instance;
2201 break;
2202 case GWL_USERDATA:
2203 wndPtr->userdata = newval;
2204 retval = (ULONG_PTR)reply->old_user_data;
2205 break;
2206 default:
2207 {
2208 void *ptr = (char *)wndPtr->wExtra + offset;
2209 memcpy( &retval, ptr, sizeof(retval) );
2210 memcpy( ptr, &newval, sizeof(newval) );
2211 }
2212 break;
2213 }
2214 }
2215 }
2216 SERVER_END_REQ;
2217 WIN_ReleasePtr( wndPtr );
2218
2219 if (!ok) return 0;
2220
2221 if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle)
2222 USER_Driver.pSetWindowStyle( hwnd, retval );
2223
2224 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2225 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2226
2227 return retval;
2228 }
2229
2230
2231 /**********************************************************************
2232 * GetWindowLong (USER.135)
2233 */
2234 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2235 {
2236 return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 );
2237 }
2238
2239
2240 /**********************************************************************
2241 * GetWindowLongA (USER32.@)
2242 */
2243 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2244 {
2245 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
2246 }
2247
2248
2249 /**********************************************************************
2250 * GetWindowLongW (USER32.@)
2251 */
2252 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2253 {
2254 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
2255 }
2256
2257
2258 /**********************************************************************
2259 * SetWindowLong (USER.136)
2260 */
2261 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2262 {
2263 return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 );
2264 }
2265
2266
2267 /**********************************************************************
2268 * SetWindowLongA (USER32.@)
2269 */
2270 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2271 {
2272 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
2273 }
2274
2275
2276 /**********************************************************************
2277 * SetWindowLongW (USER32.@) Set window attribute
2278 *
2279 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2280 * value in a window's extra memory.
2281 *
2282 * The _hwnd_ parameter specifies the window. is the handle to a
2283 * window that has extra memory. The _newval_ parameter contains the
2284 * new attribute or extra memory value. If positive, the _offset_
2285 * parameter is the byte-addressed location in the window's extra
2286 * memory to set. If negative, _offset_ specifies the window
2287 * attribute to set, and should be one of the following values:
2288 *
2289 * GWL_EXSTYLE The window's extended window style
2290 *
2291 * GWL_STYLE The window's window style.
2292 *
2293 * GWL_WNDPROC Pointer to the window's window procedure.
2294 *
2295 * GWL_HINSTANCE The window's pplication instance handle.
2296 *
2297 * GWL_ID The window's identifier.
2298 *
2299 * GWL_USERDATA The window's user-specified data.
2300 *
2301 * If the window is a dialog box, the _offset_ parameter can be one of
2302 * the following values:
2303 *
2304 * DWL_DLGPROC The address of the window's dialog box procedure.
2305 *
2306 * DWL_MSGRESULT The return value of a message
2307 * that the dialog box procedure processed.
2308 *
2309 * DWL_USER Application specific information.
2310 *
2311 * RETURNS
2312 *
2313 * If successful, returns the previous value located at _offset_. Otherwise,
2314 * returns 0.
2315 *
2316 * NOTES
2317 *
2318 * Extra memory for a window class is specified by a nonzero cbWndExtra
2319 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2320 * time of class creation.
2321 *
2322 * Using GWL_WNDPROC to set a new window procedure effectively creates
2323 * a window subclass. Use CallWindowProc() in the new windows procedure
2324 * to pass messages to the superclass's window procedure.
2325 *
2326 * The user data is reserved for use by the application which created
2327 * the window.
2328 *
2329 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2330 * instead, call the EnableWindow() function to change the window's
2331 * disabled state.
2332 *
2333 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2334 * SetParent() instead.
2335 *
2336 * Win95:
2337 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2338 * it sends WM_STYLECHANGING before changing the settings
2339 * and WM_STYLECHANGED afterwards.
2340 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2341 */
2342 LONG WINAPI SetWindowLongW(
2343 HWND hwnd, /* [in] window to alter */
2344 INT offset, /* [in] offset, in bytes, of location to alter */
2345 LONG newval /* [in] new value of location */
2346 ) {
2347 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
2348 }
2349
2350
2351 /*******************************************************************
2352 * GetWindowTextA (USER32.@)
2353 */
2354 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2355 {
2356 WCHAR *buffer;
2357
2358 if (WIN_IsCurrentProcess( hwnd ))
2359 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2360
2361 /* when window belongs to other process, don't send a message */
2362 if (nMaxCount <= 0) return 0;
2363 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2364 get_server_window_text( hwnd, buffer, nMaxCount );
2365 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2366 lpString[nMaxCount-1] = 0;
2367 HeapFree( GetProcessHeap(), 0, buffer );
2368 return strlen(lpString);
2369 }
2370
2371
2372 /*******************************************************************
2373 * InternalGetWindowText (USER32.@)
2374 */
2375 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2376 {
2377 WND *win;
2378
2379 if (nMaxCount <= 0) return 0;
2380 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2381 if (win != WND_OTHER_PROCESS)
2382 {
2383 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2384 else lpString[0] = 0;
2385 WIN_ReleasePtr( win );
2386 }
2387 else
2388 {
2389 get_server_window_text( hwnd, lpString, nMaxCount );
2390 }
2391 return strlenW(lpString);
2392 }
2393
2394
2395 /*******************************************************************
2396 * GetWindowTextW (USER32.@)
2397 */
2398 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2399 {
2400 if (WIN_IsCurrentProcess( hwnd ))
2401 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2402
2403 /* when window belongs to other process, don't send a message */
2404 if (nMaxCount <= 0) return 0;
2405 get_server_window_text( hwnd, lpString, nMaxCount );
2406 return strlenW(lpString);
2407 }
2408
2409
2410 /*******************************************************************
2411 * SetWindowText (USER32.@)
2412 * SetWindowTextA (USER32.@)
2413 */
2414 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2415 {
2416 if (is_broadcast(hwnd))
2417 {
2418 SetLastError( ERROR_INVALID_PARAMETER );
2419 return FALSE;
2420 }
2421 if (!WIN_IsCurrentProcess( hwnd ))
2422 {
2423 FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
2424 SetLastError( ERROR_ACCESS_DENIED );
2425 return FALSE;
2426 }
2427 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2428 }
2429
2430
2431 /*******************************************************************
2432 * SetWindowTextW (USER32.@)
2433 */
2434 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2435 {
2436 if (is_broadcast(hwnd))
2437 {
2438 SetLastError( ERROR_INVALID_PARAMETER );
2439 return FALSE;
2440 }
2441 if (!WIN_IsCurrentProcess( hwnd ))
2442 {
2443 FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
2444 SetLastError( ERROR_ACCESS_DENIED );
2445 return FALSE;
2446 }
2447 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2448 }
2449
2450
2451 /*******************************************************************
2452 * GetWindowTextLengthA (USER32.@)
2453 */
2454 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2455 {
2456 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2457 }
2458
2459 /*******************************************************************
2460 * GetWindowTextLengthW (USER32.@)
2461 */
2462 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2463 {
2464 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2465 }
2466
2467
2468 /*******************************************************************
2469 * IsWindow (USER32.@)
2470 */
2471 BOOL WINAPI IsWindow( HWND hwnd )
2472 {
2473 WND *ptr;
2474 BOOL ret;
2475
2476 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2477
2478 if (ptr != WND_OTHER_PROCESS)
2479 {
2480 WIN_ReleasePtr( ptr );
2481 return TRUE;
2482 }
2483
2484 /* check other processes */
2485 SERVER_START_REQ( get_window_info )
2486 {
2487 req->handle = hwnd;
2488 ret = !wine_server_call_err( req );
2489 }
2490 SERVER_END_REQ;
2491 return ret;
2492 }
2493
2494
2495 /***********************************************************************
2496 * GetWindowThreadProcessId (USER32.@)
2497 */
2498 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2499 {
2500 WND *ptr;
2501 DWORD tid = 0;
2502
2503 if (!(ptr = WIN_GetPtr( hwnd )))
2504 {
2505 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2506 return 0;
2507 }
2508
2509 if (ptr != WND_OTHER_PROCESS)
2510 {
2511 /* got a valid window */
2512 tid = ptr->tid;
2513 if (process) *process = GetCurrentProcessId();
2514 WIN_ReleasePtr( ptr );
2515 return tid;
2516 }
2517
2518 /* check other processes */
2519 SERVER_START_REQ( get_window_info )
2520 {
2521 req->handle = hwnd;
2522 if (!wine_server_call_err( req ))
2523 {
2524 tid = (DWORD)reply->tid;
2525 if (process) *process = (DWORD)reply->pid;
2526 }
2527 }
2528 SERVER_END_REQ;
2529 return tid;
2530 }
2531
2532
2533 /*****************************************************************
2534 * GetParent (USER32.@)
2535 */
2536 HWND WINAPI GetParent( HWND hwnd )
2537 {
2538 WND *wndPtr;
2539 HWND retvalue = 0;
2540
2541 if (!(wndPtr = WIN_GetPtr( hwnd )))
2542 {
2543 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2544 return 0;
2545 }
2546 if (wndPtr == WND_OTHER_PROCESS)
2547 {
2548 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2549 if (style & (WS_POPUP | WS_CHILD))
2550 {
2551 SERVER_START_REQ( get_window_tree )
2552 {
2553 req->handle = hwnd;
2554 if (!wine_server_call_err( req ))
2555 {
2556 if (style & WS_POPUP) retvalue = reply->owner;
2557 else if (style & WS_CHILD) retvalue = reply->parent;
2558 }
2559 }
2560 SERVER_END_REQ;
2561 }
2562 }
2563 else
2564 {
2565 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2566 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2567 WIN_ReleasePtr( wndPtr );
2568 }
2569 return retvalue;
2570 }
2571
2572
2573 /*****************************************************************
2574 * GetAncestor (USER32.@)
2575 */
2576 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2577 {
2578 WND *win;
2579 HWND *list, ret = 0;
2580
2581 switch(type)
2582 {
2583 case GA_PARENT:
2584 if (!(win = WIN_GetPtr( hwnd )))
2585 {
2586 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2587 return 0;
2588 }
2589 if (win != WND_OTHER_PROCESS)
2590 {
2591 ret = win->parent;
2592 WIN_ReleasePtr( win );
2593 }
2594 else /* need to query the server */
2595 {
2596 SERVER_START_REQ( get_window_tree )
2597 {
2598 req->handle = hwnd;
2599 if (!wine_server_call_err( req )) ret = reply->parent;
2600 }
2601 SERVER_END_REQ;
2602 }
2603 break;
2604
2605 case GA_ROOT:
2606 if (!(list = WIN_ListParents( hwnd ))) return 0;
2607
2608 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2609 else
2610 {
2611 int count = 2;
2612 while (list[count]) count++;
2613 ret = list[count - 2]; /* get the one before the desktop */
2614 }
2615 HeapFree( GetProcessHeap(), 0, list );
2616 break;
2617
2618 case GA_ROOTOWNER:
2619 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2620 for (;;)
2621 {
2622 HWND parent = GetParent( ret );
2623 if (!parent) break;
2624 ret = parent;
2625 }
2626 break;
2627 }
2628 return ret;
2629 }
2630
2631
2632 /*****************************************************************
2633 * SetParent (USER32.@)
2634 */
2635 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2636 {
2637 WND *wndPtr;
2638 HWND retvalue, full_handle;
2639 BOOL was_visible;
2640
2641 if (is_broadcast(hwnd) || is_broadcast(parent))
2642 {
2643 SetLastError(ERROR_INVALID_PARAMETER);
2644 return 0;
2645 }
2646
2647 if (!parent) parent = GetDesktopWindow();
2648 else parent = WIN_GetFullHandle( parent );
2649
2650 if (!IsWindow( parent ))
2651 {
2652 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2653 return 0;
2654 }
2655
2656 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2657 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2658
2659 hwnd = full_handle;
2660
2661 if (USER_Driver.pSetParent)
2662 return USER_Driver.pSetParent( hwnd, parent );
2663
2664 /* Windows hides the window first, then shows it again
2665 * including the WM_SHOWWINDOW messages and all */
2666 was_visible = ShowWindow( hwnd, SW_HIDE );
2667
2668 if (!IsWindow( parent )) return 0;
2669 if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return 0;
2670
2671 retvalue = wndPtr->parent; /* old parent */
2672 if (parent != retvalue)
2673 {
2674 WIN_LinkWindow( hwnd, parent, HWND_TOP );
2675
2676 if (parent != GetDesktopWindow()) /* a child window */
2677 {
2678 if (!(wndPtr->dwStyle & WS_CHILD))
2679 {
2680 HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 );
2681 if (menu) DestroyMenu( menu );
2682 }
2683 }
2684 }
2685 WIN_ReleasePtr( wndPtr );
2686
2687 /* SetParent additionally needs to make hwnd the topmost window
2688 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2689 WM_WINDOWPOSCHANGED notification messages.
2690 */
2691 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2692 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2693 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2694 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2695 return retvalue;
2696 }
2697
2698
2699 /*******************************************************************
2700 * IsChild (USER32.@)
2701 */
2702 BOOL WINAPI IsChild( HWND parent, HWND child )
2703 {
2704 HWND *list = WIN_ListParents( child );
2705 int i;
2706 BOOL ret;
2707
2708 if (!list) return FALSE;
2709 parent = WIN_GetFullHandle( parent );
2710 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2711 ret = (list[i] != 0);
2712 HeapFree( GetProcessHeap(), 0, list );
2713 return ret;
2714 }
2715
2716
2717 /***********************************************************************
2718 * IsWindowVisible (USER32.@)
2719 */
2720 BOOL WINAPI IsWindowVisible( HWND hwnd )
2721 {
2722 HWND *list;
2723 BOOL retval;
2724 int i;
2725
2726 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2727 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2728 for (i = 0; list[i]; i++)
2729 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2730 retval = !list[i];
2731 HeapFree( GetProcessHeap(), 0, list );
2732 return retval;
2733 }
2734
2735
2736 /***********************************************************************
2737 * WIN_IsWindowDrawable
2738 *
2739 * hwnd is drawable when it is visible, all parents are not
2740 * minimized, and it is itself not minimized unless we are
2741 * trying to draw its default class icon.
2742 */
2743 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2744 {
2745 HWND *list;
2746 BOOL retval;
2747 int i;
2748 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2749
2750 if (!(style & WS_VISIBLE)) return FALSE;
2751 if ((style & WS_MINIMIZE) && icon && GetClassLongA( hwnd, GCL_HICON )) return FALSE;
2752
2753 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2754 for (i = 0; list[i]; i++)
2755 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2756 break;
2757 retval = !list[i];
2758 HeapFree( GetProcessHeap(), 0, list );
2759 return retval;
2760 }
2761
2762
2763 /*******************************************************************
2764 * GetTopWindow (USER32.@)
2765 */
2766 HWND WINAPI GetTopWindow( HWND hwnd )
2767 {
2768 if (!hwnd) hwnd = GetDesktopWindow();
2769 return GetWindow( hwnd, GW_CHILD );
2770 }
2771
2772
2773 /*******************************************************************
2774 * GetWindow (USER32.@)
2775 */
2776 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2777 {
2778 HWND retval = 0;
2779
2780 if (rel == GW_OWNER) /* this one may be available locally */
2781 {
2782 WND *wndPtr = WIN_GetPtr( hwnd );
2783 if (!wndPtr)
2784 {
2785 SetLastError( ERROR_INVALID_HANDLE );
2786 return 0;
2787 }
2788 if (wndPtr != WND_OTHER_PROCESS)
2789 {
2790 retval = wndPtr->owner;
2791 WIN_ReleasePtr( wndPtr );
2792 return retval;
2793 }
2794 /* else fall through to server call */
2795 }
2796
2797 SERVER_START_REQ( get_window_tree )
2798 {
2799 req->handle = hwnd;
2800 if (!wine_server_call_err( req ))
2801 {
2802 switch(rel)
2803 {
2804 case GW_HWNDFIRST:
2805 retval = reply->first_sibling;
2806 break;
2807 case GW_HWNDLAST:
2808 retval = reply->last_sibling;
2809 break;
2810 case GW_HWNDNEXT:
2811 retval = reply->next_sibling;
2812 break;
2813 case GW_HWNDPREV:
2814 retval = reply->prev_sibling;
2815 break;
2816 case GW_OWNER:
2817 retval = reply->owner;
2818 break;
2819 case GW_CHILD:
2820 retval = reply->first_child;
2821 break;
2822 }
2823 }
2824 }
2825 SERVER_END_REQ;
2826 return retval;
2827 }
2828
2829
2830 /***********************************************************************
2831 * WIN_InternalShowOwnedPopups
2832 *
2833 * Internal version of ShowOwnedPopups; Wine functions should use this
2834 * to avoid interfering with application calls to ShowOwnedPopups
2835 * and to make sure the application can't prevent showing/hiding.
2836 *
2837 * Set unmanagedOnly to TRUE to show/hide unmanaged windows only.
2838 *
2839 */
2840
2841 BOOL WIN_InternalShowOwnedPopups( HWND owner, BOOL fShow, BOOL unmanagedOnly )
2842 {
2843 int count = 0;
2844 WND *pWnd;
2845 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2846
2847 if (!win_array) return TRUE;
2848
2849 /*
2850 * Show windows Lowest first, Highest last to preserve Z-Order
2851 */
2852 while (win_array[count]) count++;
2853 while (--count >= 0)
2854 {
2855 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2856 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2857
2858 if (pWnd->dwStyle & WS_POPUP)
2859 {
2860 if (fShow)
2861 {
2862 /* check in window was flagged for showing in previous WIN_InternalShowOwnedPopups call */
2863 if (pWnd->flags & WIN_NEEDS_INTERNALSOP)
2864 {
2865 /*
2866 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2867 */
2868 ShowWindow(pWnd->hwndSelf,SW_SHOW);
2869 pWnd->flags &= ~WIN_NEEDS_INTERNALSOP; /* remove the flag */
2870 }
2871 }
2872 else
2873 {
2874 if ( IsWindowVisible(pWnd->hwndSelf) && /* hide only if window is visible */
2875 !( pWnd->flags & WIN_NEEDS_INTERNALSOP ) && /* don't hide if previous call already did it */
2876 !( unmanagedOnly && (pWnd->dwExStyle & WS_EX_MANAGED) ) ) /* don't hide managed windows if unmanagedOnly is TRUE */
2877 {
2878 /*
2879 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2880 */
2881 ShowWindow(pWnd->hwndSelf,SW_HIDE);
2882 /* flag the window for showing on next WIN_InternalShowOwnedPopups call */
2883 pWnd->flags |= WIN_NEEDS_INTERNALSOP;
2884 }
2885 }
2886 }
2887 WIN_ReleaseWndPtr( pWnd );
2888 }
2889 HeapFree( GetProcessHeap(), 0, win_array );
2890
2891 return TRUE;
2892 }
2893
2894 /*******************************************************************
2895 * ShowOwnedPopups (USER32.@)
2896 */
2897 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2898 {
2899 int count = 0;
2900 WND *pWnd;
2901 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2902
2903 if (!win_array) return TRUE;
2904
2905 while (win_array[count]) count++;
2906 while (--count >= 0)
2907 {
2908 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2909 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2910
2911 if (pWnd->dwStyle & WS_POPUP)
2912 {
2913 if (fShow)
2914 {
2915 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2916 {
2917 /* In Windows, ShowOwnedPopups(TRUE) generates
2918 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2919 * regardless of the state of the owner
2920 */
2921 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING);
2922 pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
2923 }
2924 }
2925 else
2926 {
2927 if (IsWindowVisible(pWnd->hwndSelf))
2928 {
2929 /* In Windows, ShowOwnedPopups(FALSE) generates
2930 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2931 * regardless of the state of the owner
2932 */
2933 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2934 pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
2935 }
2936 }
2937 }
2938 WIN_ReleaseWndPtr( pWnd );
2939 }
2940 HeapFree( GetProcessHeap(), 0, win_array );
2941 return TRUE;
2942 }
2943
2944
2945 /*******************************************************************
2946 * GetLastActivePopup (USER32.@)
2947 */
2948 HWND WINAPI GetLastActivePopup( HWND hwnd )
2949 {
2950 HWND retval = hwnd;
2951
2952 SERVER_START_REQ( get_window_info )
2953 {
2954 req->handle = hwnd;
2955 if (!wine_server_call_err( req )) retval = reply->last_active;
2956 }
2957 SERVER_END_REQ;
2958 return retval;
2959 }
2960
2961
2962 /*******************************************************************
2963 * WIN_ListParents
2964 *
2965 * Build an array of all parents of a given window, starting with
2966 * the immediate parent. The array must be freed with HeapFree.
2967 * Returns NULL if window is a top-level window.
2968 */
2969 HWND *WIN_ListParents( HWND hwnd )
2970 {
2971 WND *win;
2972 HWND current, *list;
2973 int pos = 0, size = 16, count = 0;
2974
2975 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2976
2977 current = hwnd;
2978 for (;;)
2979 {
2980 if (!(win = WIN_GetPtr( current ))) goto empty;
2981 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
2982 list[pos] = win->parent;
2983 WIN_ReleasePtr( win );
2984 if (!(current = list[pos]))
2985 {
2986 if (!pos) goto empty;
2987 return list;
2988 }
2989 if (++pos == size - 1)
2990 {
2991 /* need to grow the list */
2992 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
2993 if (!new_list) goto empty;
2994 list = new_list;
2995 size += 16;
2996 }
2997 }
2998
2999 /* at least one parent belongs to another process, have to query the server */
3000
3001 for (;;)
3002 {
3003 count = 0;
3004 SERVER_START_REQ( get_window_parents )
3005 {
3006 req->handle = hwnd;
3007 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
3008 if (!wine_server_call( req )) count = reply->count;
3009 }
3010 SERVER_END_REQ;
3011 if (!count) goto empty;
3012 if (size > count)
3013 {
3014 list[count] = 0;
3015 return list;
3016 }
3017 HeapFree( GetProcessHeap(), 0, list );
3018 size = count + 1;
3019 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
3020 }
3021
3022 empty:
3023 HeapFree( GetProcessHeap(), 0, list );
3024 return NULL;
3025 }
3026
3027
3028 /*******************************************************************
3029 * WIN_ListChildren
3030 *
3031 * Build an array of the children of a given window. The array must be
3032 * freed with HeapFree. Returns NULL when no windows are found.
3033 */
3034 HWND *WIN_ListChildren( HWND hwnd )
3035 {
3036 return list_window_children( hwnd, 0, 0 );
3037 }
3038
3039
3040 /*******************************************************************
3041 * EnumWindows (USER32.@)
3042 */
3043 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
3044 {
3045 HWND *list;
3046 BOOL ret = TRUE;
3047 int i, iWndsLocks;
3048
3049 /* We have to build a list of all windows first, to avoid */
3050 /* unpleasant side-effects, for instance if the callback */
3051 /* function changes the Z-order of the windows. */
3052
3053 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
3054
3055 /* Now call the callback function for every window */
3056
3057 iWndsLocks = WIN_SuspendWndsLock();
3058 for (i = 0; list[i]; i++)
3059 {
3060 /* Make sure that the window still exists */
3061 if (!IsWindow( list[i] )) continue;
3062 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
3063 }
3064 WIN_RestoreWndsLock(iWndsLocks);
3065 HeapFree( GetProcessHeap(), 0, list );
3066 return ret;
3067 }
3068
3069
3070 /**********************************************************************
3071 * EnumThreadWindows (USER32.@)
3072 */
3073 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
3074 {
3075 HWND *list;
3076 int i, iWndsLocks;
3077
3078 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
3079
3080 /* Now call the callback function for every window */
3081
3082 iWndsLocks = WIN_SuspendWndsLock();
3083 for (i = 0; list[i]; i++)
3084 if (!func( list[i], lParam )) break;
3085 WIN_RestoreWndsLock(iWndsLocks);
3086 HeapFree( GetProcessHeap(), 0, list );
3087 return TRUE;
3088 }
3089
3090
3091 /**********************************************************************
3092 * WIN_EnumChildWindows
3093 *
3094 * Helper function for EnumChildWindows().
3095 */
3096 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
3097 {
3098 HWND *childList;
3099 BOOL ret = FALSE;
3100
3101 for ( ; *list; list++)
3102 {
3103 /* Make sure that the window still exists */
3104 if (!IsWindow( *list )) continue;
3105 /* skip owned windows */
3106 if (GetWindow( *list, GW_OWNER )) continue;
3107 /* Build children list first */
3108 childList = WIN_ListChildren( *list );
3109
3110 ret = func( *list, lParam );
3111
3112 if (childList)
3113 {
3114 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3115 HeapFree( GetProcessHeap(), 0, childList );
3116 }
3117 if (!ret) return FALSE;
3118 }
3119 return TRUE;
3120 }
3121
3122
3123 /**********************************************************************
3124 * EnumChildWindows (USER32.@)
3125 */
3126 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3127 {
3128 HWND *list;
3129 int iWndsLocks;
3130
3131 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3132 iWndsLocks = WIN_SuspendWndsLock();
3133 WIN_EnumChildWindows( list, func, lParam );
3134 WIN_RestoreWndsLock(iWndsLocks);
3135 HeapFree( GetProcessHeap(), 0, list );
3136 return TRUE;
3137 }
3138
3139
3140 /*******************************************************************
3141 * AnyPopup (USER.52)
3142 */
3143 BOOL16 WINAPI AnyPopup16(void)
3144 {
3145 return AnyPopup();
3146 }
3147
3148
3149 /*******************************************************************
3150 * AnyPopup (USER32.@)
3151 */
3152 BOOL WINAPI AnyPopup(void)
3153 {
3154 int i;
3155 BOOL retvalue;
3156 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3157
3158 if (!list) return FALSE;
3159 for (i = 0; list[i]; i++)
3160 {
3161 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3162 }
3163 retvalue = (list[i] != 0);
3164 HeapFree( GetProcessHeap(), 0, list );
3165 return retvalue;
3166 }
3167
3168
3169 /*******************************************************************
3170 * FlashWindow (USER32.@)
3171 */
3172 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3173 {
3174 WND *wndPtr = WIN_FindWndPtr(hWnd);
3175
3176 TRACE("%p\n", hWnd);
3177
3178 if (!wndPtr) return FALSE;
3179 hWnd = wndPtr->hwndSelf; /* make it a full handle */
3180
3181 if (wndPtr->dwStyle & WS_MINIMIZE)
3182 {
3183 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3184 {
3185 HDC hDC = GetDC(hWnd);
3186
3187 if (!SendMessageW( hWnd, WM_ERASEBKGND, (WPARAM)hDC, 0 ))
3188 wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
3189
3190 ReleaseDC( hWnd, hDC );
3191 wndPtr->flags |= WIN_NCACTIVATED;
3192 }
3193 else
3194 {
3195 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3196 wndPtr->flags &= ~WIN_NCACTIVATED;
3197 }
3198 WIN_ReleaseWndPtr(wndPtr);
3199 return TRUE;
3200 }
3201 else
3202 {
3203 WPARAM16 wparam;
3204 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3205 else wparam = (hWnd == GetForegroundWindow());
3206
3207 WIN_ReleaseWndPtr(wndPtr);
3208 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
3209 return wparam;
3210 }
3211 }
3212
3213 /*******************************************************************
3214 * FlashWindowEx (USER32.@)
3215 */
3216 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3217 {
3218 FIXME("%p\n", pfwi);
3219 return TRUE;
3220 }
3221
3222 /*******************************************************************
3223 * GetWindowContextHelpId (USER32.@)
3224 */
3225 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3226 {
3227 DWORD retval;
3228 WND *wnd = WIN_FindWndPtr( hwnd );
3229 if (!wnd) return 0;
3230 retval = wnd->helpContext;
3231 WIN_ReleaseWndPtr(wnd);
3232 return retval;
3233 }
3234
3235
3236 /*******************************************************************
3237 * SetWindowContextHelpId (USER32.@)
3238 */
3239 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3240 {
3241 WND *wnd = WIN_FindWndPtr( hwnd );
3242 if (!wnd) return FALSE;
3243 wnd->helpContext = id;
3244 WIN_ReleaseWndPtr(wnd);
3245 return TRUE;
3246 }
3247
3248
3249 /*******************************************************************
3250 * DragDetect (USER32.@)
3251 */
3252 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3253 {
3254 MSG msg;
3255 RECT rect;
3256
3257 rect.left = pt.x - wDragWidth;
3258 rect.right = pt.x + wDragWidth;
3259
3260 rect.top = pt.y - wDragHeight;
3261 rect.bottom = pt.y + wDragHeight;
3262
3263 SetCapture(hWnd);
3264
3265 while(1)
3266 {
3267 while(PeekMessageA(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE))
3268 {
3269 if( msg.message == WM_LBUTTONUP )
3270 {
3271 ReleaseCapture();
3272 return 0;
3273 }
3274 if( msg.message == WM_MOUSEMOVE )
3275 {
3276 POINT tmp;
3277 tmp.x = LOWORD(msg.lParam);
3278 tmp.y = HIWORD(msg.lParam);
3279 if( !PtInRect( &rect, tmp ))
3280 {
3281 ReleaseCapture();
3282 return 1;
3283 }
3284 }
3285 }
3286 WaitMessage();
3287 }
3288 return 0;
3289 }
3290
3291 /******************************************************************************
3292 * GetWindowModuleFileNameA (USER32.@)
3293 */
3294 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3295 {
3296 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3297 hwnd, lpszFileName, cchFileNameMax);
3298 return 0;
3299 }
3300
3301 /******************************************************************************
3302 * GetWindowModuleFileNameW (USER32.@)
3303 */
3304 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPWSTR lpszFileName, UINT cchFileNameMax)
3305 {
3306 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3307 hwnd, lpszFileName, cchFileNameMax);
3308 return 0;
3309 }
3310
3311 /******************************************************************************
3312 * GetWindowInfo (USER32.@)
3313 * hwnd: in
3314 * pwi: out.
3315 * MS Documentation mentions that pwi->cbSize must be set to SIZEOF(WINDOWINFO)
3316 * this may be because this structure changed over time. If this is the
3317 * the case, then please: FIXME.
3318 * Using the structure described in MSDN for 98/ME/NT(4.0 SP3)/2000/XP.
3319 */
3320 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3321 {
3322 if (!pwi) return FALSE;
3323 if (pwi->cbSize != sizeof(WINDOWINFO))
3324 {
3325 FIXME("windowinfo->cbSize != sizeof(WINDOWINFO). Please report\n");
3326 return FALSE;
3327 }
3328 if (!IsWindow(hwnd)) return FALSE;
3329
3330 GetWindowRect(hwnd, &pwi->rcWindow);
3331 GetClientRect(hwnd, &pwi->rcClient);
3332 /* translate to screen coordinates */
3333 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3334
3335 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3336 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3337 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3338
3339 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3340 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3341
3342 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3343 pwi->wCreatorVersion = 0x0400;
3344
3345 return TRUE;
3346 }
Windows API implementation