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Added partial support for function pointers.
[wine/multimedia.git] / windows / win.c
blob6a74b01faba9fc7568b8f143a0cdfad883efd9ff
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 <stdlib.h>
26 #include <string.h>
27 #include "windef.h"
28 #include "wine/winbase16.h"
29 #include "wine/winuser16.h"
30 #include "wownt32.h"
31 #include "wine/server.h"
32 #include "wine/unicode.h"
33 #include "win.h"
34 #include "user.h"
35 #include "dce.h"
36 #include "controls.h"
37 #include "cursoricon.h"
38 #include "message.h"
39 #include "winpos.h"
40 #include "winerror.h"
41 #include "wine/debug.h"
42
43 WINE_DEFAULT_DEBUG_CHANNEL(win);
44 WINE_DECLARE_DEBUG_CHANNEL(msg);
45
46 #define NB_USER_HANDLES (LAST_USER_HANDLE - FIRST_USER_HANDLE + 1)
47
48 /**********************************************************************/
49
50 /* Desktop window */
51 static WND *pWndDesktop = NULL;
52
53 static WORD wDragWidth = 4;
54 static WORD wDragHeight= 3;
55
56 static void *user_handles[NB_USER_HANDLES];
57
58 /***********************************************************************
59 * create_window_handle
60 *
61 * Create a window handle with the server.
62 */
63 static WND *create_window_handle( HWND parent, HWND owner, ATOM atom, INT size )
64 {
65 BOOL res;
66 user_handle_t handle = 0;
67 WORD index;
68 WND *win = HeapAlloc( GetProcessHeap(), 0, size );
69
70 if (!win) return NULL;
71
72 USER_Lock();
73
74 SERVER_START_REQ( create_window )
75 {
76 req->parent = parent;
77 req->owner = owner;
78 req->atom = atom;
79 if ((res = !wine_server_call_err( req ))) handle = reply->handle;
80 }
81 SERVER_END_REQ;
82
83 if (!res)
84 {
85 USER_Unlock();
86 HeapFree( GetProcessHeap(), 0, win );
87 return NULL;
88 }
89 index = LOWORD(handle) - FIRST_USER_HANDLE;
90 assert( index < NB_USER_HANDLES );
91 user_handles[index] = win;
92 win->hwndSelf = handle;
93 win->dwMagic = WND_MAGIC;
94 win->irefCount = 1;
95 return win;
96 }
97
98
99 /***********************************************************************
100 * free_window_handle
101 *
102 * Free a window handle.
103 */
104 static WND *free_window_handle( HWND hwnd )
105 {
106 WND *ptr;
107 WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE;
108
109 if (index >= NB_USER_HANDLES) return NULL;
110 USER_Lock();
111 if ((ptr = user_handles[index]))
112 {
113 SERVER_START_REQ( destroy_window )
114 {
115 req->handle = hwnd;
116 if (!wine_server_call_err( req ))
117 user_handles[index] = NULL;
118 else
119 ptr = NULL;
120 }
121 SERVER_END_REQ;
122 }
123 USER_Unlock();
124 if (ptr) HeapFree( GetProcessHeap(), 0, ptr );
125 return ptr;
126 }
127
128
129 /*******************************************************************
130 * list_window_children
131 *
132 * Build an array of the children of a given window. The array must be
133 * freed with HeapFree. Returns NULL when no windows are found.
134 */
135 static HWND *list_window_children( HWND hwnd, ATOM atom, DWORD tid )
136 {
137 HWND *list;
138 int size = 32;
139
140 for (;;)
141 {
142 int count = 0;
143
144 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
145
146 SERVER_START_REQ( get_window_children )
147 {
148 req->parent = hwnd;
149 req->atom = atom;
150 req->tid = tid;
151 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
152 if (!wine_server_call( req )) count = reply->count;
153 }
154 SERVER_END_REQ;
155 if (count && count < size)
156 {
157 list[count] = 0;
158 return list;
159 }
160 HeapFree( GetProcessHeap(), 0, list );
161 if (!count) break;
162 size = count + 1; /* restart with a large enough buffer */
163 }
164 return NULL;
165 }
166
167
168 /*******************************************************************
169 * send_parent_notify
170 */
171 static void send_parent_notify( HWND hwnd, UINT msg )
172 {
173 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD)) return;
174 if (GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_NOPARENTNOTIFY) return;
175 SendMessageW( GetParent(hwnd), WM_PARENTNOTIFY,
176 MAKEWPARAM( msg, GetWindowLongW( hwnd, GWL_ID )), (LPARAM)hwnd );
177 }
178
179
180 /*******************************************************************
181 * get_server_window_text
182 *
183 * Retrieve the window text from the server.
184 */
185 static void get_server_window_text( HWND hwnd, LPWSTR text, INT count )
186 {
187 size_t len = 0;
188
189 SERVER_START_REQ( get_window_text )
190 {
191 req->handle = hwnd;
192 wine_server_set_reply( req, text, (count - 1) * sizeof(WCHAR) );
193 if (!wine_server_call_err( req )) len = wine_server_reply_size(reply);
194 }
195 SERVER_END_REQ;
196 text[len / sizeof(WCHAR)] = 0;
197 }
198
199
200 /***********************************************************************
201 * WIN_GetPtr
202 *
203 * Return a pointer to the WND structure if local to the process,
204 * or WND_OTHER_PROCESS if handle may be valid in other process.
205 * If ret value is a valid pointer, it must be released with WIN_ReleasePtr.
206 */
207 WND *WIN_GetPtr( HWND hwnd )
208 {
209 WND * ptr;
210 WORD index = LOWORD(hwnd) - FIRST_USER_HANDLE;
211
212 if (index >= NB_USER_HANDLES) return NULL;
213
214 USER_Lock();
215 if ((ptr = user_handles[index]))
216 {
217 if (ptr->dwMagic == WND_MAGIC && (!HIWORD(hwnd) || hwnd == ptr->hwndSelf))
218 return ptr;
219 ptr = NULL;
220 }
221 else ptr = WND_OTHER_PROCESS;
222 USER_Unlock();
223 return ptr;
224 }
225
226
227 /***********************************************************************
228 * WIN_IsCurrentProcess
229 *
230 * Check whether a given window belongs to the current process (and return the full handle).
231 */
232 HWND WIN_IsCurrentProcess( HWND hwnd )
233 {
234 WND *ptr;
235 HWND ret;
236
237 if (!(ptr = WIN_GetPtr( hwnd )) || ptr == WND_OTHER_PROCESS) return 0;
238 ret = ptr->hwndSelf;
239 WIN_ReleasePtr( ptr );
240 return ret;
241 }
242
243
244 /***********************************************************************
245 * WIN_IsCurrentThread
246 *
247 * Check whether a given window belongs to the current thread (and return the full handle).
248 */
249 HWND WIN_IsCurrentThread( HWND hwnd )
250 {
251 WND *ptr;
252 HWND ret = 0;
253
254 if ((ptr = WIN_GetPtr( hwnd )) && ptr != WND_OTHER_PROCESS)
255 {
256 if (ptr->tid == GetCurrentThreadId()) ret = ptr->hwndSelf;
257 WIN_ReleasePtr( ptr );
258 }
259 return ret;
260 }
261
262
263 /***********************************************************************
264 * WIN_Handle32
265 *
266 * Convert a 16-bit window handle to a full 32-bit handle.
267 */
268 HWND WIN_Handle32( HWND16 hwnd16 )
269 {
270 WND *ptr;
271 HWND hwnd = (HWND)(ULONG_PTR)hwnd16;
272
273 if (hwnd16 <= 1 || hwnd16 == 0xffff) return hwnd;
274 /* do sign extension for -2 and -3 */
275 if (hwnd16 >= (HWND16)-3) return (HWND)(LONG_PTR)(INT16)hwnd16;
276
277 if (!(ptr = WIN_GetPtr( hwnd ))) return hwnd;
278
279 if (ptr != WND_OTHER_PROCESS)
280 {
281 hwnd = ptr->hwndSelf;
282 WIN_ReleasePtr( ptr );
283 }
284 else /* may belong to another process */
285 {
286 SERVER_START_REQ( get_window_info )
287 {
288 req->handle = hwnd;
289 if (!wine_server_call_err( req )) hwnd = reply->full_handle;
290 }
291 SERVER_END_REQ;
292 }
293 return hwnd;
294 }
295
296
297 /***********************************************************************
298 * WIN_FindWndPtr
299 *
300 * Return a pointer to the WND structure corresponding to a HWND.
301 */
302 WND * WIN_FindWndPtr( HWND hwnd )
303 {
304 WND * ptr;
305
306 if (!hwnd) return NULL;
307
308 if ((ptr = WIN_GetPtr( hwnd )))
309 {
310 if (ptr != WND_OTHER_PROCESS)
311 {
312 /* increment destruction monitoring */
313 ptr->irefCount++;
314 return ptr;
315 }
316 if (IsWindow( hwnd )) /* check other processes */
317 {
318 ERR( "window %p belongs to other process\n", hwnd );
319 /* DbgBreakPoint(); */
320 }
321 }
322 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
323 return NULL;
324 }
325
326
327 /***********************************************************************
328 * WIN_ReleaseWndPtr
329 *
330 * Release the pointer to the WND structure.
331 */
332 void WIN_ReleaseWndPtr(WND *wndPtr)
333 {
334 if(!wndPtr) return;
335
336 /* Decrement destruction monitoring value */
337 wndPtr->irefCount--;
338 /* Check if it's time to release the memory */
339 if(wndPtr->irefCount == 0 && !wndPtr->dwMagic)
340 {
341 /* Release memory */
342 free_window_handle( wndPtr->hwndSelf );
343 }
344 else if(wndPtr->irefCount < 0)
345 {
346 /* This else if is useful to monitor the WIN_ReleaseWndPtr function */
347 ERR("forgot a Lock on %p somewhere\n",wndPtr);
348 }
349 /* unlock all WND structures for thread safeness */
350 USER_Unlock();
351 }
352
353
354 /***********************************************************************
355 * WIN_UnlinkWindow
356 *
357 * Remove a window from the siblings linked list.
358 */
359 void WIN_UnlinkWindow( HWND hwnd )
360 {
361 WIN_LinkWindow( hwnd, 0, 0 );
362 }
363
364
365 /***********************************************************************
366 * WIN_LinkWindow
367 *
368 * Insert a window into the siblings linked list.
369 * The window is inserted after the specified window, which can also
370 * be specified as HWND_TOP or HWND_BOTTOM.
371 * If parent is 0, window is unlinked from the tree.
372 */
373 void WIN_LinkWindow( HWND hwnd, HWND parent, HWND hwndInsertAfter )
374 {
375 WND *wndPtr = WIN_GetPtr( hwnd );
376
377 if (!wndPtr) return;
378 if (wndPtr == WND_OTHER_PROCESS)
379 {
380 if (IsWindow(hwnd)) ERR(" cannot link other process window %p\n", hwnd );
381 return;
382 }
383
384 SERVER_START_REQ( link_window )
385 {
386 req->handle = hwnd;
387 req->parent = parent;
388 req->previous = hwndInsertAfter;
389 if (!wine_server_call( req ))
390 {
391 if (reply->full_parent) wndPtr->parent = reply->full_parent;
392 }
393
394 }
395 SERVER_END_REQ;
396 WIN_ReleasePtr( wndPtr );
397 }
398
399
400 /***********************************************************************
401 * WIN_SetOwner
402 *
403 * Change the owner of a window.
404 */
405 HWND WIN_SetOwner( HWND hwnd, HWND owner )
406 {
407 WND *win = WIN_GetPtr( hwnd );
408 HWND ret = 0;
409
410 if (!win) return 0;
411 if (win == WND_OTHER_PROCESS)
412 {
413 if (IsWindow(hwnd)) ERR( "cannot set owner %p on other process window %p\n", owner, hwnd );
414 return 0;
415 }
416 SERVER_START_REQ( set_window_owner )
417 {
418 req->handle = hwnd;
419 req->owner = owner;
420 if (!wine_server_call( req ))
421 {
422 win->owner = reply->full_owner;
423 ret = reply->prev_owner;
424 }
425 }
426 SERVER_END_REQ;
427 WIN_ReleasePtr( win );
428 return ret;
429 }
430
431
432 /***********************************************************************
433 * WIN_SetStyle
434 *
435 * Change the style of a window.
436 */
437 LONG WIN_SetStyle( HWND hwnd, LONG style )
438 {
439 BOOL ok;
440 LONG ret = 0;
441 WND *win = WIN_GetPtr( hwnd );
442
443 if (!win) return 0;
444 if (win == WND_OTHER_PROCESS)
445 {
446 if (IsWindow(hwnd))
447 ERR( "cannot set style %lx on other process window %p\n", style, hwnd );
448 return 0;
449 }
450 if (style == win->dwStyle)
451 {
452 WIN_ReleasePtr( win );
453 return style;
454 }
455 SERVER_START_REQ( set_window_info )
456 {
457 req->handle = hwnd;
458 req->flags = SET_WIN_STYLE;
459 req->style = style;
460 if ((ok = !wine_server_call( req )))
461 {
462 ret = reply->old_style;
463 win->dwStyle = style;
464 }
465 }
466 SERVER_END_REQ;
467 WIN_ReleasePtr( win );
468 if (ok && USER_Driver.pSetWindowStyle) USER_Driver.pSetWindowStyle( hwnd, ret );
469 return ret;
470 }
471
472
473 /***********************************************************************
474 * WIN_SetExStyle
475 *
476 * Change the extended style of a window.
477 */
478 LONG WIN_SetExStyle( HWND hwnd, LONG style )
479 {
480 LONG ret = 0;
481 WND *win = WIN_GetPtr( hwnd );
482
483 if (!win) return 0;
484 if (win == WND_OTHER_PROCESS)
485 {
486 if (IsWindow(hwnd))
487 ERR( "cannot set exstyle %lx on other process window %p\n", style, hwnd );
488 return 0;
489 }
490 if (style == win->dwExStyle)
491 {
492 WIN_ReleasePtr( win );
493 return style;
494 }
495 SERVER_START_REQ( set_window_info )
496 {
497 req->handle = hwnd;
498 req->flags = SET_WIN_EXSTYLE;
499 req->ex_style = style;
500 if (!wine_server_call( req ))
501 {
502 ret = reply->old_ex_style;
503 win->dwExStyle = style;
504 }
505 }
506 SERVER_END_REQ;
507 WIN_ReleasePtr( win );
508 return ret;
509 }
510
511
512 /***********************************************************************
513 * WIN_SetRectangles
514 *
515 * Set the window and client rectangles.
516 */
517 void WIN_SetRectangles( HWND hwnd, const RECT *rectWindow, const RECT *rectClient )
518 {
519 WND *win = WIN_GetPtr( hwnd );
520 BOOL ret;
521
522 if (!win) return;
523 if (win == WND_OTHER_PROCESS)
524 {
525 if (IsWindow( hwnd )) ERR( "cannot set rectangles of other process window %p\n", hwnd );
526 return;
527 }
528 SERVER_START_REQ( set_window_rectangles )
529 {
530 req->handle = hwnd;
531 req->window.left = rectWindow->left;
532 req->window.top = rectWindow->top;
533 req->window.right = rectWindow->right;
534 req->window.bottom = rectWindow->bottom;
535 req->client.left = rectClient->left;
536 req->client.top = rectClient->top;
537 req->client.right = rectClient->right;
538 req->client.bottom = rectClient->bottom;
539 ret = !wine_server_call( req );
540 }
541 SERVER_END_REQ;
542 if (ret)
543 {
544 win->rectWindow = *rectWindow;
545 win->rectClient = *rectClient;
546
547 TRACE( "win %p window (%ld,%ld)-(%ld,%ld) client (%ld,%ld)-(%ld,%ld)\n", hwnd,
548 rectWindow->left, rectWindow->top, rectWindow->right, rectWindow->bottom,
549 rectClient->left, rectClient->top, rectClient->right, rectClient->bottom );
550 }
551 WIN_ReleasePtr( win );
552 }
553
554
555 /***********************************************************************
556 * WIN_GetRectangles
557 *
558 * Get the window and client rectangles.
559 */
560 BOOL WIN_GetRectangles( HWND hwnd, RECT *rectWindow, RECT *rectClient )
561 {
562 WND *win = WIN_GetPtr( hwnd );
563 BOOL ret = TRUE;
564
565 if (!win) return FALSE;
566 if (win == WND_OTHER_PROCESS)
567 {
568 SERVER_START_REQ( get_window_rectangles )
569 {
570 req->handle = hwnd;
571 if ((ret = !wine_server_call( req )))
572 {
573 if (rectWindow)
574 {
575 rectWindow->left = reply->window.left;
576 rectWindow->top = reply->window.top;
577 rectWindow->right = reply->window.right;
578 rectWindow->bottom = reply->window.bottom;
579 }
580 if (rectClient)
581 {
582 rectClient->left = reply->client.left;
583 rectClient->top = reply->client.top;
584 rectClient->right = reply->client.right;
585 rectClient->bottom = reply->client.bottom;
586 }
587 }
588 }
589 SERVER_END_REQ;
590 }
591 else
592 {
593 if (rectWindow) *rectWindow = win->rectWindow;
594 if (rectClient) *rectClient = win->rectClient;
595 WIN_ReleasePtr( win );
596 }
597 return ret;
598 }
599
600
601 /***********************************************************************
602 * WIN_DestroyWindow
603 *
604 * Destroy storage associated to a window. "Internals" p.358
605 */
606 LRESULT WIN_DestroyWindow( HWND hwnd )
607 {
608 WND *wndPtr;
609 HWND *list;
610
611 TRACE("%p\n", hwnd );
612
613 if (!(hwnd = WIN_IsCurrentThread( hwnd )))
614 {
615 ERR( "window doesn't belong to current thread\n" );
616 return 0;
617 }
618
619 /* free child windows */
620 if ((list = WIN_ListChildren( hwnd )))
621 {
622 int i;
623 for (i = 0; list[i]; i++)
624 {
625 if (WIN_IsCurrentThread( list[i] )) WIN_DestroyWindow( list[i] );
626 else SendMessageW( list[i], WM_WINE_DESTROYWINDOW, 0, 0 );
627 }
628 HeapFree( GetProcessHeap(), 0, list );
629 }
630
631 /*
632 * Clear the update region to make sure no WM_PAINT messages will be
633 * generated for this window while processing the WM_NCDESTROY.
634 */
635 RedrawWindow( hwnd, NULL, 0,
636 RDW_VALIDATE | RDW_NOFRAME | RDW_NOERASE | RDW_NOINTERNALPAINT | RDW_NOCHILDREN);
637
638 /*
639 * Send the WM_NCDESTROY to the window being destroyed.
640 */
641 SendMessageA( hwnd, WM_NCDESTROY, 0, 0);
642
643 /* FIXME: do we need to fake QS_MOUSEMOVE wakebit? */
644
645 WINPOS_CheckInternalPos( hwnd );
646 if( hwnd == GetCapture()) ReleaseCapture();
647
648 /* free resources associated with the window */
649
650 TIMER_RemoveWindowTimers( hwnd );
651
652 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return 0;
653
654 if (!(wndPtr->dwStyle & WS_CHILD))
655 {
656 HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 );
657 if (menu) DestroyMenu( menu );
658 }
659 if (wndPtr->hSysMenu)
660 {
661 DestroyMenu( wndPtr->hSysMenu );
662 wndPtr->hSysMenu = 0;
663 }
664 DCE_FreeWindowDCE( hwnd ); /* Always do this to catch orphaned DCs */
665 USER_Driver.pDestroyWindow( hwnd );
666 WINPROC_FreeProc( wndPtr->winproc, WIN_PROC_WINDOW );
667 CLASS_RemoveWindow( wndPtr->class );
668 wndPtr->class = NULL;
669 wndPtr->dwMagic = 0; /* Mark it as invalid */
670 WIN_ReleaseWndPtr( wndPtr );
671 return 0;
672 }
673
674 /***********************************************************************
675 * WIN_DestroyThreadWindows
676 *
677 * Destroy all children of 'wnd' owned by the current thread.
678 * Return TRUE if something was done.
679 */
680 void WIN_DestroyThreadWindows( HWND hwnd )
681 {
682 HWND *list;
683 int i;
684
685 if (!(list = WIN_ListChildren( hwnd ))) return;
686 for (i = 0; list[i]; i++)
687 {
688 if (WIN_IsCurrentThread( list[i] ))
689 DestroyWindow( list[i] );
690 else
691 WIN_DestroyThreadWindows( list[i] );
692 }
693 HeapFree( GetProcessHeap(), 0, list );
694 }
695
696 /***********************************************************************
697 * WIN_CreateDesktopWindow
698 *
699 * Create the desktop window.
700 */
701 BOOL WIN_CreateDesktopWindow(void)
702 {
703 struct tagCLASS *class;
704 HWND hwndDesktop;
705 INT wndExtra;
706 DWORD clsStyle;
707 WNDPROC winproc;
708 DCE *dce;
709 CREATESTRUCTA cs;
710 RECT rect;
711
712 TRACE("Creating desktop window\n");
713
714 if (!WINPOS_CreateInternalPosAtom() ||
715 !(class = CLASS_AddWindow( (ATOM)LOWORD(DESKTOP_CLASS_ATOM), 0, WIN_PROC_32W,
716 &wndExtra, &winproc, &clsStyle, &dce )))
717 return FALSE;
718
719 pWndDesktop = create_window_handle( 0, 0, LOWORD(DESKTOP_CLASS_ATOM),
720 sizeof(WND) + wndExtra - sizeof(pWndDesktop->wExtra) );
721 if (!pWndDesktop) return FALSE;
722 hwndDesktop = pWndDesktop->hwndSelf;
723
724 pWndDesktop->tid = 0; /* nobody owns the desktop */
725 pWndDesktop->parent = 0;
726 pWndDesktop->owner = 0;
727 pWndDesktop->class = class;
728 pWndDesktop->text = NULL;
729 pWndDesktop->hrgnUpdate = 0;
730 pWndDesktop->clsStyle = clsStyle;
731 pWndDesktop->dce = NULL;
732 pWndDesktop->pVScroll = NULL;
733 pWndDesktop->pHScroll = NULL;
734 pWndDesktop->helpContext = 0;
735 pWndDesktop->flags = 0;
736 pWndDesktop->hSysMenu = 0;
737 pWndDesktop->winproc = winproc;
738 pWndDesktop->cbWndExtra = wndExtra;
739
740 cs.lpCreateParams = NULL;
741 cs.hInstance = 0;
742 cs.hMenu = 0;
743 cs.hwndParent = 0;
744 cs.x = 0;
745 cs.y = 0;
746 cs.cx = GetSystemMetrics( SM_CXSCREEN );
747 cs.cy = GetSystemMetrics( SM_CYSCREEN );
748 cs.style = pWndDesktop->dwStyle;
749 cs.dwExStyle = pWndDesktop->dwExStyle;
750 cs.lpszName = NULL;
751 cs.lpszClass = DESKTOP_CLASS_ATOM;
752
753 SetRect( &rect, 0, 0, cs.cx, cs.cy );
754 WIN_SetRectangles( hwndDesktop, &rect, &rect );
755
756 SERVER_START_REQ( set_window_info )
757 {
758 req->handle = hwndDesktop;
759 req->flags = 0; /* don't set anything, just retrieve */
760 wine_server_call( req );
761 pWndDesktop->dwStyle = reply->old_style;
762 pWndDesktop->dwExStyle = reply->old_ex_style;
763 pWndDesktop->hInstance = (HINSTANCE)reply->old_instance;
764 pWndDesktop->userdata = (ULONG_PTR)reply->old_user_data;
765 pWndDesktop->wIDmenu = reply->old_id;
766 }
767 SERVER_END_REQ;
768
769 if (!USER_Driver.pCreateWindow( hwndDesktop, &cs, FALSE ))
770 {
771 WIN_ReleaseWndPtr( pWndDesktop );
772 return FALSE;
773 }
774
775 pWndDesktop->flags |= WIN_NEEDS_ERASEBKGND;
776 WIN_ReleaseWndPtr( pWndDesktop );
777 return TRUE;
778 }
779
780
781 /***********************************************************************
782 * WIN_FixCoordinates
783 *
784 * Fix the coordinates - Helper for WIN_CreateWindowEx.
785 * returns default show mode in sw.
786 * Note: the feature presented as undocumented *is* in the MSDN since 1993.
787 */
788 static void WIN_FixCoordinates( CREATESTRUCTA *cs, INT *sw)
789 {
790 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16 ||
791 cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
792 {
793 if (cs->style & (WS_CHILD | WS_POPUP))
794 {
795 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16) cs->x = cs->y = 0;
796 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16) cs->cx = cs->cy = 0;
797 }
798 else /* overlapped window */
799 {
800 STARTUPINFOA info;
801
802 GetStartupInfoA( &info );
803
804 if (cs->x == CW_USEDEFAULT || cs->x == CW_USEDEFAULT16)
805 {
806 /* Never believe Microsoft's documentation... CreateWindowEx doc says
807 * that if an overlapped window is created with WS_VISIBLE style bit
808 * set and the x parameter is set to CW_USEDEFAULT, the system ignores
809 * the y parameter. However, disassembling NT implementation (WIN32K.SYS)
810 * reveals that
811 *
812 * 1) not only it checks for CW_USEDEFAULT but also for CW_USEDEFAULT16
813 * 2) it does not ignore the y parameter as the docs claim; instead, it
814 * uses it as second parameter to ShowWindow() unless y is either
815 * CW_USEDEFAULT or CW_USEDEFAULT16.
816 *
817 * The fact that we didn't do 2) caused bogus windows pop up when wine
818 * was running apps that were using this obscure feature. Example -
819 * calc.exe that comes with Win98 (only Win98, it's different from
820 * the one that comes with Win95 and NT)
821 */
822 if (cs->y != CW_USEDEFAULT && cs->y != CW_USEDEFAULT16) *sw = cs->y;
823 cs->x = (info.dwFlags & STARTF_USEPOSITION) ? info.dwX : 0;
824 cs->y = (info.dwFlags & STARTF_USEPOSITION) ? info.dwY : 0;
825 }
826
827 if (cs->cx == CW_USEDEFAULT || cs->cx == CW_USEDEFAULT16)
828 {
829 if (info.dwFlags & STARTF_USESIZE)
830 {
831 cs->cx = info.dwXSize;
832 cs->cy = info.dwYSize;
833 }
834 else /* if no other hint from the app, pick 3/4 of the screen real estate */
835 {
836 RECT r;
837 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
838 cs->cx = (((r.right - r.left) * 3) / 4) - cs->x;
839 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
840 }
841 }
842 }
843 }
844 else
845 {
846 /* neither x nor cx are default. Check the y values .
847 * In the trace we see Outlook and Outlook Express using
848 * cy set to CW_USEDEFAULT when opening the address book.
849 */
850 if (cs->cy == CW_USEDEFAULT || cs->cy == CW_USEDEFAULT16) {
851 RECT r;
852 FIXME("Strange use of CW_USEDEFAULT in nHeight\n");
853 SystemParametersInfoA( SPI_GETWORKAREA, 0, &r, 0);
854 cs->cy = (((r.bottom - r.top) * 3) / 4) - cs->y;
855 }
856 }
857 }
858
859 /***********************************************************************
860 * dump_window_styles
861 */
862 static void dump_window_styles( DWORD style, DWORD exstyle )
863 {
864 TRACE( "style:" );
865 if(style & WS_POPUP) TRACE(" WS_POPUP");
866 if(style & WS_CHILD) TRACE(" WS_CHILD");
867 if(style & WS_MINIMIZE) TRACE(" WS_MINIMIZE");
868 if(style & WS_VISIBLE) TRACE(" WS_VISIBLE");
869 if(style & WS_DISABLED) TRACE(" WS_DISABLED");
870 if(style & WS_CLIPSIBLINGS) TRACE(" WS_CLIPSIBLINGS");
871 if(style & WS_CLIPCHILDREN) TRACE(" WS_CLIPCHILDREN");
872 if(style & WS_MAXIMIZE) TRACE(" WS_MAXIMIZE");
873 if((style & WS_CAPTION) == WS_CAPTION) TRACE(" WS_CAPTION");
874 else
875 {
876 if(style & WS_BORDER) TRACE(" WS_BORDER");
877 if(style & WS_DLGFRAME) TRACE(" WS_DLGFRAME");
878 }
879 if(style & WS_VSCROLL) TRACE(" WS_VSCROLL");
880 if(style & WS_HSCROLL) TRACE(" WS_HSCROLL");
881 if(style & WS_SYSMENU) TRACE(" WS_SYSMENU");
882 if(style & WS_THICKFRAME) TRACE(" WS_THICKFRAME");
883 if(style & WS_GROUP) TRACE(" WS_GROUP");
884 if(style & WS_TABSTOP) TRACE(" WS_TABSTOP");
885 if(style & WS_MINIMIZEBOX) TRACE(" WS_MINIMIZEBOX");
886 if(style & WS_MAXIMIZEBOX) TRACE(" WS_MAXIMIZEBOX");
887
888 /* FIXME: Add dumping of BS_/ES_/SBS_/LBS_/CBS_/DS_/etc. styles */
889 #define DUMPED_STYLES \
890 (WS_POPUP | \
891 WS_CHILD | \
892 WS_MINIMIZE | \
893 WS_VISIBLE | \
894 WS_DISABLED | \
895 WS_CLIPSIBLINGS | \
896 WS_CLIPCHILDREN | \
897 WS_MAXIMIZE | \
898 WS_BORDER | \
899 WS_DLGFRAME | \
900 WS_VSCROLL | \
901 WS_HSCROLL | \
902 WS_SYSMENU | \
903 WS_THICKFRAME | \
904 WS_GROUP | \
905 WS_TABSTOP | \
906 WS_MINIMIZEBOX | \
907 WS_MAXIMIZEBOX)
908
909 if(style & ~DUMPED_STYLES) TRACE(" %08lx", style & ~DUMPED_STYLES);
910 TRACE("\n");
911 #undef DUMPED_STYLES
912
913 TRACE( "exstyle:" );
914 if(exstyle & WS_EX_DLGMODALFRAME) TRACE(" WS_EX_DLGMODALFRAME");
915 if(exstyle & WS_EX_DRAGDETECT) TRACE(" WS_EX_DRAGDETECT");
916 if(exstyle & WS_EX_NOPARENTNOTIFY) TRACE(" WS_EX_NOPARENTNOTIFY");
917 if(exstyle & WS_EX_TOPMOST) TRACE(" WS_EX_TOPMOST");
918 if(exstyle & WS_EX_ACCEPTFILES) TRACE(" WS_EX_ACCEPTFILES");
919 if(exstyle & WS_EX_TRANSPARENT) TRACE(" WS_EX_TRANSPARENT");
920 if(exstyle & WS_EX_MDICHILD) TRACE(" WS_EX_MDICHILD");
921 if(exstyle & WS_EX_TOOLWINDOW) TRACE(" WS_EX_TOOLWINDOW");
922 if(exstyle & WS_EX_WINDOWEDGE) TRACE(" WS_EX_WINDOWEDGE");
923 if(exstyle & WS_EX_CLIENTEDGE) TRACE(" WS_EX_CLIENTEDGE");
924 if(exstyle & WS_EX_CONTEXTHELP) TRACE(" WS_EX_CONTEXTHELP");
925 if(exstyle & WS_EX_RIGHT) TRACE(" WS_EX_RIGHT");
926 if(exstyle & WS_EX_RTLREADING) TRACE(" WS_EX_RTLREADING");
927 if(exstyle & WS_EX_LEFTSCROLLBAR) TRACE(" WS_EX_LEFTSCROLLBAR");
928 if(exstyle & WS_EX_CONTROLPARENT) TRACE(" WS_EX_CONTROLPARENT");
929 if(exstyle & WS_EX_STATICEDGE) TRACE(" WS_EX_STATICEDGE");
930 if(exstyle & WS_EX_APPWINDOW) TRACE(" WS_EX_APPWINDOW");
931 if(exstyle & WS_EX_LAYERED) TRACE(" WS_EX_LAYERED");
932
933 #define DUMPED_EX_STYLES \
934 (WS_EX_DLGMODALFRAME | \
935 WS_EX_DRAGDETECT | \
936 WS_EX_NOPARENTNOTIFY | \
937 WS_EX_TOPMOST | \
938 WS_EX_ACCEPTFILES | \
939 WS_EX_TRANSPARENT | \
940 WS_EX_MDICHILD | \
941 WS_EX_TOOLWINDOW | \
942 WS_EX_WINDOWEDGE | \
943 WS_EX_CLIENTEDGE | \
944 WS_EX_CONTEXTHELP | \
945 WS_EX_RIGHT | \
946 WS_EX_RTLREADING | \
947 WS_EX_LEFTSCROLLBAR | \
948 WS_EX_CONTROLPARENT | \
949 WS_EX_STATICEDGE | \
950 WS_EX_APPWINDOW | \
951 WS_EX_LAYERED)
952
953 if(exstyle & ~DUMPED_EX_STYLES) TRACE(" %08lx", exstyle & ~DUMPED_EX_STYLES);
954 TRACE("\n");
955 #undef DUMPED_EX_STYLES
956 }
957
958
959 /***********************************************************************
960 * WIN_CreateWindowEx
961 *
962 * Implementation of CreateWindowEx().
963 */
964 static HWND WIN_CreateWindowEx( CREATESTRUCTA *cs, ATOM classAtom,
965 WINDOWPROCTYPE type )
966 {
967 INT sw = SW_SHOW;
968 struct tagCLASS *classPtr;
969 WND *wndPtr;
970 HWND hwnd, parent, owner;
971 INT wndExtra;
972 DWORD clsStyle;
973 WNDPROC winproc;
974 DCE *dce;
975 BOOL unicode = (type == WIN_PROC_32W);
976
977 TRACE("%s %s ex=%08lx style=%08lx %d,%d %dx%d parent=%p menu=%p inst=%p params=%p\n",
978 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszName) : debugstr_a(cs->lpszName),
979 (type == WIN_PROC_32W) ? debugstr_w((LPWSTR)cs->lpszClass) : debugstr_a(cs->lpszClass),
980 cs->dwExStyle, cs->style, cs->x, cs->y, cs->cx, cs->cy,
981 cs->hwndParent, cs->hMenu, cs->hInstance, cs->lpCreateParams );
982
983 if(TRACE_ON(win)) dump_window_styles( cs->style, cs->dwExStyle );
984
985 TRACE("winproc type is %d (%s)\n", type, (type == WIN_PROC_16) ? "WIN_PROC_16" :
986 ((type == WIN_PROC_32A) ? "WIN_PROC_32A" : "WIN_PROC_32W") );
987
988 /* Find the parent window */
989
990 parent = GetDesktopWindow();
991 owner = 0;
992
993 if (cs->hwndParent == HWND_MESSAGE)
994 {
995 /* native ole32.OleInitialize uses HWND_MESSAGE to create the
996 * message window (style: WS_POPUP|WS_DISABLED)
997 */
998 FIXME("Parent is HWND_MESSAGE\n");
999 }
1000 else if (cs->hwndParent)
1001 {
1002 /* Make sure parent is valid */
1003 if (!IsWindow( cs->hwndParent ))
1004 {
1005 WARN("Bad parent %p\n", cs->hwndParent );
1006 return 0;
1007 }
1008 if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1009 parent = WIN_GetFullHandle(cs->hwndParent);
1010 else
1011 owner = GetAncestor( cs->hwndParent, GA_ROOT );
1012 }
1013 else if ((cs->style & (WS_CHILD|WS_POPUP)) == WS_CHILD)
1014 {
1015 WARN("No parent for child window\n" );
1016 return 0; /* WS_CHILD needs a parent, but WS_POPUP doesn't */
1017 }
1018
1019 /* Find the window class */
1020 if (!(classPtr = CLASS_AddWindow( classAtom, cs->hInstance, type,
1021 &wndExtra, &winproc, &clsStyle, &dce )))
1022 {
1023 WARN("Bad class '%s'\n", cs->lpszClass );
1024 return 0;
1025 }
1026
1027 WIN_FixCoordinates(cs, &sw); /* fix default coordinates */
1028
1029 /* Correct the window style - stage 1
1030 *
1031 * These are patches that appear to affect both the style loaded into the
1032 * WIN structure and passed in the CreateStruct to the WM_CREATE etc.
1033 *
1034 * WS_EX_WINDOWEDGE appears to be enforced based on the other styles, so
1035 * why does the user get to set it?
1036 */
1037
1038 /* This has been tested for WS_CHILD | WS_VISIBLE. It has not been
1039 * tested for WS_POPUP
1040 */
1041 if ((cs->dwExStyle & WS_EX_DLGMODALFRAME) ||
1042 ((!(cs->dwExStyle & WS_EX_STATICEDGE)) &&
1043 (cs->style & (WS_DLGFRAME | WS_THICKFRAME))))
1044 cs->dwExStyle |= WS_EX_WINDOWEDGE;
1045 else
1046 cs->dwExStyle &= ~WS_EX_WINDOWEDGE;
1047
1048 /* Create the window structure */
1049
1050 if (!(wndPtr = create_window_handle( parent, owner, classAtom,
1051 sizeof(*wndPtr) + wndExtra - sizeof(wndPtr->wExtra) )))
1052 {
1053 TRACE("out of memory\n" );
1054 return 0;
1055 }
1056 hwnd = wndPtr->hwndSelf;
1057
1058 /* Fill the window structure */
1059
1060 wndPtr->tid = GetCurrentThreadId();
1061 wndPtr->owner = owner;
1062 wndPtr->parent = parent;
1063 wndPtr->class = classPtr;
1064 wndPtr->winproc = winproc;
1065 wndPtr->hInstance = cs->hInstance;
1066 wndPtr->text = NULL;
1067 wndPtr->hrgnUpdate = 0;
1068 wndPtr->hrgnWnd = 0;
1069 wndPtr->dwStyle = cs->style & ~WS_VISIBLE;
1070 wndPtr->dwExStyle = cs->dwExStyle;
1071 wndPtr->clsStyle = clsStyle;
1072 wndPtr->wIDmenu = 0;
1073 wndPtr->helpContext = 0;
1074 wndPtr->flags = (type == WIN_PROC_16) ? 0 : WIN_ISWIN32;
1075 wndPtr->pVScroll = NULL;
1076 wndPtr->pHScroll = NULL;
1077 wndPtr->userdata = 0;
1078 wndPtr->hSysMenu = (wndPtr->dwStyle & WS_SYSMENU) ? MENU_GetSysMenu( hwnd, 0 ) : 0;
1079 wndPtr->cbWndExtra = wndExtra;
1080
1081 if (wndExtra) memset( wndPtr->wExtra, 0, wndExtra);
1082
1083 /* Correct the window style - stage 2 */
1084
1085 if (!(cs->style & WS_CHILD))
1086 {
1087 wndPtr->dwStyle |= WS_CLIPSIBLINGS;
1088 if (!(cs->style & WS_POPUP))
1089 {
1090 wndPtr->dwStyle |= WS_CAPTION;
1091 wndPtr->flags |= WIN_NEED_SIZE;
1092 }
1093 }
1094 SERVER_START_REQ( set_window_info )
1095 {
1096 req->handle = hwnd;
1097 req->flags = SET_WIN_STYLE | SET_WIN_EXSTYLE | SET_WIN_INSTANCE;
1098 req->style = wndPtr->dwStyle;
1099 req->ex_style = wndPtr->dwExStyle;
1100 req->instance = (void *)wndPtr->hInstance;
1101 wine_server_call( req );
1102 }
1103 SERVER_END_REQ;
1104
1105 /* Get class or window DC if needed */
1106
1107 if (clsStyle & CS_OWNDC) wndPtr->dce = DCE_AllocDCE(hwnd,DCE_WINDOW_DC);
1108 else if (clsStyle & CS_CLASSDC) wndPtr->dce = dce;
1109 else wndPtr->dce = NULL;
1110
1111 /* Set the window menu */
1112
1113 if (((wndPtr->dwStyle & (WS_CAPTION|WS_CHILD)) == WS_CAPTION) ||
1114 (wndPtr->dwExStyle & WS_EX_APPWINDOW))
1115 {
1116 if (cs->hMenu) SetMenu(hwnd, cs->hMenu);
1117 else
1118 {
1119 LPCSTR menuName = (LPCSTR)GetClassLongA( hwnd, GCL_MENUNAME );
1120 if (menuName)
1121 {
1122 if (HIWORD(cs->hInstance))
1123 cs->hMenu = LoadMenuA(cs->hInstance,menuName);
1124 else
1125 cs->hMenu = HMENU_32(LoadMenu16(HINSTANCE_16(cs->hInstance),menuName));
1126
1127 if (cs->hMenu) SetMenu( hwnd, cs->hMenu );
1128 }
1129 }
1130 }
1131 else SetWindowLongW( hwnd, GWL_ID, (UINT)cs->hMenu );
1132 WIN_ReleaseWndPtr( wndPtr );
1133
1134 if (!USER_Driver.pCreateWindow( hwnd, cs, unicode))
1135 {
1136 WIN_DestroyWindow( hwnd );
1137 return 0;
1138 }
1139
1140 /* Notify the parent window only */
1141
1142 send_parent_notify( hwnd, WM_CREATE );
1143 if (!IsWindow( hwnd )) return 0;
1144
1145 if (cs->style & WS_VISIBLE)
1146 {
1147 /* in case WS_VISIBLE got set in the meantime */
1148 if (!(wndPtr = WIN_GetPtr( hwnd ))) return 0;
1149 WIN_SetStyle( hwnd, wndPtr->dwStyle & ~WS_VISIBLE );
1150 WIN_ReleasePtr( wndPtr );
1151 ShowWindow( hwnd, sw );
1152 }
1153
1154 /* Call WH_SHELL hook */
1155
1156 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) && !GetWindow( hwnd, GW_OWNER ))
1157 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWCREATED, (WPARAM)hwnd, 0, TRUE );
1158
1159 TRACE("created window %p\n", hwnd);
1160 return hwnd;
1161 }
1162
1163
1164 /***********************************************************************
1165 * CreateWindow (USER.41)
1166 */
1167 HWND16 WINAPI CreateWindow16( LPCSTR className, LPCSTR windowName,
1168 DWORD style, INT16 x, INT16 y, INT16 width,
1169 INT16 height, HWND16 parent, HMENU16 menu,
1170 HINSTANCE16 instance, LPVOID data )
1171 {
1172 return CreateWindowEx16( 0, className, windowName, style,
1173 x, y, width, height, parent, menu, instance, data );
1174 }
1175
1176
1177 /***********************************************************************
1178 * CreateWindowEx (USER.452)
1179 */
1180 HWND16 WINAPI CreateWindowEx16( DWORD exStyle, LPCSTR className,
1181 LPCSTR windowName, DWORD style, INT16 x,
1182 INT16 y, INT16 width, INT16 height,
1183 HWND16 parent, HMENU16 menu,
1184 HINSTANCE16 instance, LPVOID data )
1185 {
1186 ATOM classAtom;
1187 CREATESTRUCTA cs;
1188 char buffer[256];
1189
1190 /* Find the class atom */
1191
1192 if (HIWORD(className))
1193 {
1194 if (!(classAtom = GlobalFindAtomA( className )))
1195 {
1196 ERR( "bad class name %s\n", debugstr_a(className) );
1197 return 0;
1198 }
1199 }
1200 else
1201 {
1202 classAtom = LOWORD(className);
1203 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1204 {
1205 ERR( "bad atom %x\n", classAtom);
1206 return 0;
1207 }
1208 className = buffer;
1209 }
1210
1211 /* Fix the coordinates */
1212
1213 cs.x = (x == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)x;
1214 cs.y = (y == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)y;
1215 cs.cx = (width == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)width;
1216 cs.cy = (height == CW_USEDEFAULT16) ? CW_USEDEFAULT : (INT)height;
1217
1218 /* Create the window */
1219
1220 cs.lpCreateParams = data;
1221 cs.hInstance = HINSTANCE_32(instance);
1222 cs.hMenu = HMENU_32(menu);
1223 cs.hwndParent = WIN_Handle32( parent );
1224 cs.style = style;
1225 cs.lpszName = windowName;
1226 cs.lpszClass = className;
1227 cs.dwExStyle = exStyle;
1228
1229 return HWND_16( WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_16 ));
1230 }
1231
1232
1233 /***********************************************************************
1234 * CreateWindowExA (USER32.@)
1235 */
1236 HWND WINAPI CreateWindowExA( DWORD exStyle, LPCSTR className,
1237 LPCSTR windowName, DWORD style, INT x,
1238 INT y, INT width, INT height,
1239 HWND parent, HMENU menu,
1240 HINSTANCE instance, LPVOID data )
1241 {
1242 ATOM classAtom;
1243 CREATESTRUCTA cs;
1244 char buffer[256];
1245
1246 if(!instance)
1247 instance=GetModuleHandleA(NULL);
1248
1249 if(exStyle & WS_EX_MDICHILD)
1250 return CreateMDIWindowA(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data);
1251
1252 /* Find the class atom */
1253
1254 if (HIWORD(className))
1255 {
1256 if (!(classAtom = GlobalFindAtomA( className )))
1257 {
1258 ERR( "bad class name %s\n", debugstr_a(className) );
1259 return 0;
1260 }
1261 }
1262 else
1263 {
1264 classAtom = LOWORD(className);
1265 if (!GlobalGetAtomNameA( classAtom, buffer, sizeof(buffer) ))
1266 {
1267 ERR( "bad atom %x\n", classAtom);
1268 return 0;
1269 }
1270 className = buffer;
1271 }
1272
1273 /* Create the window */
1274
1275 cs.lpCreateParams = data;
1276 cs.hInstance = instance;
1277 cs.hMenu = menu;
1278 cs.hwndParent = parent;
1279 cs.x = x;
1280 cs.y = y;
1281 cs.cx = width;
1282 cs.cy = height;
1283 cs.style = style;
1284 cs.lpszName = windowName;
1285 cs.lpszClass = className;
1286 cs.dwExStyle = exStyle;
1287
1288 return WIN_CreateWindowEx( &cs, classAtom, WIN_PROC_32A );
1289 }
1290
1291
1292 /***********************************************************************
1293 * CreateWindowExW (USER32.@)
1294 */
1295 HWND WINAPI CreateWindowExW( DWORD exStyle, LPCWSTR className,
1296 LPCWSTR windowName, DWORD style, INT x,
1297 INT y, INT width, INT height,
1298 HWND parent, HMENU menu,
1299 HINSTANCE instance, LPVOID data )
1300 {
1301 ATOM classAtom;
1302 CREATESTRUCTW cs;
1303 WCHAR buffer[256];
1304
1305 if(!instance)
1306 instance=GetModuleHandleW(NULL);
1307
1308 if(exStyle & WS_EX_MDICHILD)
1309 return CreateMDIWindowW(className, windowName, style, x, y, width, height, parent, instance, (LPARAM)data);
1310
1311 /* Find the class atom */
1312
1313 if (HIWORD(className))
1314 {
1315 if (!(classAtom = GlobalFindAtomW( className )))
1316 {
1317 ERR( "bad class name %s\n", debugstr_w(className) );
1318 return 0;
1319 }
1320 }
1321 else
1322 {
1323 classAtom = LOWORD(className);
1324 if (!GlobalGetAtomNameW( classAtom, buffer, sizeof(buffer)/sizeof(WCHAR) ))
1325 {
1326 ERR( "bad atom %x\n", classAtom);
1327 return 0;
1328 }
1329 className = buffer;
1330 }
1331
1332 /* Create the window */
1333
1334 cs.lpCreateParams = data;
1335 cs.hInstance = instance;
1336 cs.hMenu = menu;
1337 cs.hwndParent = parent;
1338 cs.x = x;
1339 cs.y = y;
1340 cs.cx = width;
1341 cs.cy = height;
1342 cs.style = style;
1343 cs.lpszName = windowName;
1344 cs.lpszClass = className;
1345 cs.dwExStyle = exStyle;
1346
1347 /* Note: we rely on the fact that CREATESTRUCTA and */
1348 /* CREATESTRUCTW have the same layout. */
1349 return WIN_CreateWindowEx( (CREATESTRUCTA *)&cs, classAtom, WIN_PROC_32W );
1350 }
1351
1352
1353 /***********************************************************************
1354 * WIN_SendDestroyMsg
1355 */
1356 static void WIN_SendDestroyMsg( HWND hwnd )
1357 {
1358 GUITHREADINFO info;
1359
1360 if (GetGUIThreadInfo( GetCurrentThreadId(), &info ))
1361 {
1362 if (hwnd == info.hwndCaret) DestroyCaret();
1363 }
1364 if (USER_Driver.pResetSelectionOwner)
1365 USER_Driver.pResetSelectionOwner( hwnd, TRUE );
1366
1367 /*
1368 * Send the WM_DESTROY to the window.
1369 */
1370 SendMessageA( hwnd, WM_DESTROY, 0, 0);
1371
1372 /*
1373 * This WM_DESTROY message can trigger re-entrant calls to DestroyWindow
1374 * make sure that the window still exists when we come back.
1375 */
1376 if (IsWindow(hwnd))
1377 {
1378 HWND* pWndArray;
1379 int i;
1380
1381 if (!(pWndArray = WIN_ListChildren( hwnd ))) return;
1382
1383 /* start from the end (FIXME: is this needed?) */
1384 for (i = 0; pWndArray[i]; i++) ;
1385
1386 while (--i >= 0)
1387 {
1388 if (IsWindow( pWndArray[i] )) WIN_SendDestroyMsg( pWndArray[i] );
1389 }
1390 HeapFree( GetProcessHeap(), 0, pWndArray );
1391 }
1392 else
1393 WARN("\tdestroyed itself while in WM_DESTROY!\n");
1394 }
1395
1396
1397 /***********************************************************************
1398 * DestroyWindow (USER32.@)
1399 */
1400 BOOL WINAPI DestroyWindow( HWND hwnd )
1401 {
1402 BOOL is_child;
1403 HWND h;
1404
1405 if (!(hwnd = WIN_IsCurrentThread( hwnd )) || (hwnd == GetDesktopWindow()))
1406 {
1407 SetLastError( ERROR_ACCESS_DENIED );
1408 return FALSE;
1409 }
1410
1411 TRACE("(%p)\n", hwnd);
1412
1413 /* Look whether the focus is within the tree of windows we will
1414 * be destroying.
1415 */
1416 h = GetFocus();
1417 if (h == hwnd || IsChild( hwnd, h ))
1418 {
1419 HWND parent = GetAncestor( hwnd, GA_PARENT );
1420 if (parent == GetDesktopWindow()) parent = 0;
1421 SetFocus( parent );
1422 }
1423
1424 /* Call hooks */
1425
1426 if (HOOK_CallHooks( WH_CBT, HCBT_DESTROYWND, (WPARAM)hwnd, 0, TRUE )) return FALSE;
1427
1428 is_child = (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) != 0;
1429
1430 if (is_child)
1431 {
1432 if (!USER_IsExitingThread( GetCurrentThreadId() ))
1433 send_parent_notify( hwnd, WM_DESTROY );
1434 }
1435 else if (!GetWindow( hwnd, GW_OWNER ))
1436 {
1437 HOOK_CallHooks( WH_SHELL, HSHELL_WINDOWDESTROYED, (WPARAM)hwnd, 0L, TRUE );
1438 /* FIXME: clean up palette - see "Internals" p.352 */
1439 }
1440
1441 if (!IsWindow(hwnd)) return TRUE;
1442
1443 if (USER_Driver.pResetSelectionOwner)
1444 USER_Driver.pResetSelectionOwner( hwnd, FALSE ); /* before the window is unmapped */
1445
1446 /* Hide the window */
1447
1448 if (!ShowWindow( hwnd, SW_HIDE ))
1449 {
1450 if (hwnd == GetActiveWindow()) WINPOS_ActivateOtherWindow( hwnd );
1451 }
1452 if (!IsWindow(hwnd)) return TRUE;
1453
1454 /* Recursively destroy owned windows */
1455
1456 if (!is_child)
1457 {
1458 for (;;)
1459 {
1460 int i, got_one = 0;
1461 HWND *list = WIN_ListChildren( GetDesktopWindow() );
1462 if (list)
1463 {
1464 for (i = 0; list[i]; i++)
1465 {
1466 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1467 if (WIN_IsCurrentThread( list[i] ))
1468 {
1469 DestroyWindow( list[i] );
1470 got_one = 1;
1471 continue;
1472 }
1473 WIN_SetOwner( list[i], 0 );
1474 }
1475 HeapFree( GetProcessHeap(), 0, list );
1476 }
1477 if (!got_one) break;
1478 }
1479 }
1480
1481 /* Send destroy messages */
1482
1483 WIN_SendDestroyMsg( hwnd );
1484 if (!IsWindow( hwnd )) return TRUE;
1485
1486 if (GetClipboardOwner() == hwnd)
1487 CLIPBOARD_ReleaseOwner();
1488
1489 /* Unlink now so we won't bother with the children later on */
1490
1491 WIN_UnlinkWindow( hwnd );
1492
1493 /* Destroy the window storage */
1494
1495 WIN_DestroyWindow( hwnd );
1496 return TRUE;
1497 }
1498
1499
1500 /***********************************************************************
1501 * CloseWindow (USER32.@)
1502 */
1503 BOOL WINAPI CloseWindow( HWND hwnd )
1504 {
1505 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return FALSE;
1506 ShowWindow( hwnd, SW_MINIMIZE );
1507 return TRUE;
1508 }
1509
1510
1511 /***********************************************************************
1512 * OpenIcon (USER32.@)
1513 */
1514 BOOL WINAPI OpenIcon( HWND hwnd )
1515 {
1516 if (!IsIconic( hwnd )) return FALSE;
1517 ShowWindow( hwnd, SW_SHOWNORMAL );
1518 return TRUE;
1519 }
1520
1521
1522 /***********************************************************************
1523 * WIN_FindWindow
1524 *
1525 * Implementation of FindWindow() and FindWindowEx().
1526 */
1527 static HWND WIN_FindWindow( HWND parent, HWND child, ATOM className, LPCWSTR title )
1528 {
1529 HWND *list = NULL;
1530 HWND retvalue = 0;
1531 int i = 0, len = 0;
1532 WCHAR *buffer = NULL;
1533
1534 if (!parent) parent = GetDesktopWindow();
1535 if (title)
1536 {
1537 len = strlenW(title) + 1; /* one extra char to check for chars beyond the end */
1538 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, (len + 1) * sizeof(WCHAR) ))) return 0;
1539 }
1540
1541 if (!(list = list_window_children( parent, className, 0 ))) goto done;
1542
1543 if (child)
1544 {
1545 child = WIN_GetFullHandle( child );
1546 while (list[i] && list[i] != child) i++;
1547 if (!list[i]) goto done;
1548 i++; /* start from next window */
1549 }
1550
1551 if (title)
1552 {
1553 while (list[i])
1554 {
1555 if (GetWindowTextW( list[i], buffer, len ) && !strcmpiW( buffer, title )) break;
1556 i++;
1557 }
1558 }
1559 retvalue = list[i];
1560
1561 done:
1562 if (list) HeapFree( GetProcessHeap(), 0, list );
1563 if (buffer) HeapFree( GetProcessHeap(), 0, buffer );
1564 return retvalue;
1565 }
1566
1567
1568
1569 /***********************************************************************
1570 * FindWindowA (USER32.@)
1571 */
1572 HWND WINAPI FindWindowA( LPCSTR className, LPCSTR title )
1573 {
1574 HWND ret = FindWindowExA( 0, 0, className, title );
1575 if (!ret) SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1576 return ret;
1577 }
1578
1579
1580 /***********************************************************************
1581 * FindWindowExA (USER32.@)
1582 */
1583 HWND WINAPI FindWindowExA( HWND parent, HWND child,
1584 LPCSTR className, LPCSTR title )
1585 {
1586 ATOM atom = 0;
1587 LPWSTR buffer;
1588 HWND hwnd;
1589 INT len;
1590
1591 if (className)
1592 {
1593 /* If the atom doesn't exist, then no class */
1594 /* with this name exists either. */
1595 if (!(atom = GlobalFindAtomA( className )))
1596 {
1597 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1598 return 0;
1599 }
1600 }
1601 if (!title) return WIN_FindWindow( parent, child, atom, NULL );
1602
1603 len = MultiByteToWideChar( CP_ACP, 0, title, -1, NULL, 0 );
1604 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, len * sizeof(WCHAR) ))) return 0;
1605 MultiByteToWideChar( CP_ACP, 0, title, -1, buffer, len );
1606 hwnd = WIN_FindWindow( parent, child, atom, buffer );
1607 HeapFree( GetProcessHeap(), 0, buffer );
1608 return hwnd;
1609 }
1610
1611
1612 /***********************************************************************
1613 * FindWindowExW (USER32.@)
1614 */
1615 HWND WINAPI FindWindowExW( HWND parent, HWND child,
1616 LPCWSTR className, LPCWSTR title )
1617 {
1618 ATOM atom = 0;
1619
1620 if (className)
1621 {
1622 /* If the atom doesn't exist, then no class */
1623 /* with this name exists either. */
1624 if (!(atom = GlobalFindAtomW( className )))
1625 {
1626 SetLastError (ERROR_CANNOT_FIND_WND_CLASS);
1627 return 0;
1628 }
1629 }
1630 return WIN_FindWindow( parent, child, atom, title );
1631 }
1632
1633
1634 /***********************************************************************
1635 * FindWindowW (USER32.@)
1636 */
1637 HWND WINAPI FindWindowW( LPCWSTR className, LPCWSTR title )
1638 {
1639 return FindWindowExW( 0, 0, className, title );
1640 }
1641
1642
1643 /**********************************************************************
1644 * GetDesktopWindow (USER32.@)
1645 */
1646 HWND WINAPI GetDesktopWindow(void)
1647 {
1648 if (pWndDesktop) return pWndDesktop->hwndSelf;
1649 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" );
1650 ExitProcess(1);
1651 return 0;
1652 }
1653
1654
1655 /*******************************************************************
1656 * EnableWindow (USER32.@)
1657 */
1658 BOOL WINAPI EnableWindow( HWND hwnd, BOOL enable )
1659 {
1660 WND *wndPtr;
1661 BOOL retvalue;
1662 LONG style;
1663 HWND full_handle;
1664
1665 if (is_broadcast(hwnd))
1666 {
1667 SetLastError( ERROR_INVALID_PARAMETER );
1668 return FALSE;
1669 }
1670
1671 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
1672 return SendMessageW( hwnd, WM_WINE_ENABLEWINDOW, enable, 0 );
1673
1674 hwnd = full_handle;
1675
1676 TRACE("( %p, %d )\n", hwnd, enable);
1677
1678 if (!(wndPtr = WIN_GetPtr( hwnd ))) return FALSE;
1679 style = wndPtr->dwStyle;
1680 retvalue = ((style & WS_DISABLED) != 0);
1681 WIN_ReleasePtr( wndPtr );
1682
1683 if (enable && retvalue)
1684 {
1685 WIN_SetStyle( hwnd, style & ~WS_DISABLED );
1686 SendMessageA( hwnd, WM_ENABLE, TRUE, 0 );
1687 }
1688 else if (!enable && !retvalue)
1689 {
1690 HWND focus_wnd, capture_wnd;
1691
1692 SendMessageA( hwnd, WM_CANCELMODE, 0, 0);
1693
1694 WIN_SetStyle( hwnd, style | WS_DISABLED );
1695
1696 focus_wnd = GetFocus();
1697 if (hwnd == focus_wnd || IsChild(hwnd, focus_wnd))
1698 SetFocus( 0 ); /* A disabled window can't have the focus */
1699
1700 capture_wnd = GetCapture();
1701 if (hwnd == capture_wnd || IsChild(hwnd, capture_wnd))
1702 ReleaseCapture(); /* A disabled window can't capture the mouse */
1703
1704 SendMessageA( hwnd, WM_ENABLE, FALSE, 0 );
1705 }
1706 return retvalue;
1707 }
1708
1709
1710 /***********************************************************************
1711 * IsWindowEnabled (USER32.@)
1712 */
1713 BOOL WINAPI IsWindowEnabled(HWND hWnd)
1714 {
1715 return !(GetWindowLongW( hWnd, GWL_STYLE ) & WS_DISABLED);
1716 }
1717
1718
1719 /***********************************************************************
1720 * IsWindowUnicode (USER32.@)
1721 */
1722 BOOL WINAPI IsWindowUnicode( HWND hwnd )
1723 {
1724 WND * wndPtr;
1725 BOOL retvalue;
1726
1727 if (!(wndPtr = WIN_FindWndPtr(hwnd))) return FALSE;
1728 retvalue = (WINPROC_GetProcType( wndPtr->winproc ) == WIN_PROC_32W);
1729 WIN_ReleaseWndPtr(wndPtr);
1730 return retvalue;
1731 }
1732
1733
1734 /**********************************************************************
1735 * GetWindowWord (USER32.@)
1736 */
1737 WORD WINAPI GetWindowWord( HWND hwnd, INT offset )
1738 {
1739 if (offset >= 0)
1740 {
1741 WORD retvalue = 0;
1742 WND *wndPtr = WIN_GetPtr( hwnd );
1743 if (!wndPtr)
1744 {
1745 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1746 return 0;
1747 }
1748 if (wndPtr == WND_OTHER_PROCESS)
1749 {
1750 if (IsWindow( hwnd ))
1751 FIXME( "(%d) not supported yet on other process window %p\n", offset, hwnd );
1752 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1753 return 0;
1754 }
1755 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1756 {
1757 WARN("Invalid offset %d\n", offset );
1758 SetLastError( ERROR_INVALID_INDEX );
1759 }
1760 else retvalue = *(WORD *)(((char *)wndPtr->wExtra) + offset);
1761 WIN_ReleasePtr( wndPtr );
1762 return retvalue;
1763 }
1764
1765 switch(offset)
1766 {
1767 case GWL_HWNDPARENT:
1768 return GetWindowLongW( hwnd, offset );
1769 case GWL_ID:
1770 case GWL_HINSTANCE:
1771 {
1772 LONG ret = GetWindowLongW( hwnd, offset );
1773 if (HIWORD(ret))
1774 WARN("%d: discards high bits of 0x%08lx!\n", offset, ret );
1775 return LOWORD(ret);
1776 }
1777 default:
1778 WARN("Invalid offset %d\n", offset );
1779 return 0;
1780 }
1781 }
1782
1783
1784 /**********************************************************************
1785 * SetWindowWord (USER32.@)
1786 */
1787 WORD WINAPI SetWindowWord( HWND hwnd, INT offset, WORD newval )
1788 {
1789 WORD *ptr, retval;
1790 WND * wndPtr;
1791
1792 switch(offset)
1793 {
1794 case GWL_ID:
1795 case GWL_HINSTANCE:
1796 case GWL_HWNDPARENT:
1797 return SetWindowLongW( hwnd, offset, (UINT)newval );
1798 default:
1799 if (offset < 0)
1800 {
1801 WARN("Invalid offset %d\n", offset );
1802 SetLastError( ERROR_INVALID_INDEX );
1803 return 0;
1804 }
1805 }
1806
1807 wndPtr = WIN_GetPtr( hwnd );
1808 if (wndPtr == WND_OTHER_PROCESS)
1809 {
1810 if (IsWindow(hwnd))
1811 FIXME( "set %d <- %x not supported yet on other process window %p\n",
1812 offset, newval, hwnd );
1813 wndPtr = NULL;
1814 }
1815 if (!wndPtr)
1816 {
1817 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1818 return 0;
1819 }
1820
1821 if (offset > (int)(wndPtr->cbWndExtra - sizeof(WORD)))
1822 {
1823 WARN("Invalid offset %d\n", offset );
1824 WIN_ReleasePtr(wndPtr);
1825 SetLastError( ERROR_INVALID_INDEX );
1826 return 0;
1827 }
1828 ptr = (WORD *)(((char *)wndPtr->wExtra) + offset);
1829 retval = *ptr;
1830 *ptr = newval;
1831 WIN_ReleasePtr(wndPtr);
1832 return retval;
1833 }
1834
1835
1836 /**********************************************************************
1837 * WIN_GetWindowLong
1838 *
1839 * Helper function for GetWindowLong().
1840 */
1841 static LONG WIN_GetWindowLong( HWND hwnd, INT offset, WINDOWPROCTYPE type )
1842 {
1843 LONG retvalue = 0;
1844 WND *wndPtr;
1845
1846 if (offset == GWL_HWNDPARENT)
1847 {
1848 HWND parent = GetAncestor( hwnd, GA_PARENT );
1849 if (parent == GetDesktopWindow()) parent = GetWindow( hwnd, GW_OWNER );
1850 return (LONG)parent;
1851 }
1852
1853 if (!(wndPtr = WIN_GetPtr( hwnd )))
1854 {
1855 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1856 return 0;
1857 }
1858
1859 if (wndPtr == WND_OTHER_PROCESS)
1860 {
1861 if (offset >= 0)
1862 {
1863 if (IsWindow(hwnd))
1864 FIXME( "(%d) not supported on other process window %p\n", offset, hwnd );
1865 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1866 return 0;
1867 }
1868 if (offset == GWL_WNDPROC)
1869 {
1870 SetLastError( ERROR_ACCESS_DENIED );
1871 return 0;
1872 }
1873 SERVER_START_REQ( set_window_info )
1874 {
1875 req->handle = hwnd;
1876 req->flags = 0; /* don't set anything, just retrieve */
1877 if (!wine_server_call_err( req ))
1878 {
1879 switch(offset)
1880 {
1881 case GWL_STYLE: retvalue = reply->old_style; break;
1882 case GWL_EXSTYLE: retvalue = reply->old_ex_style; break;
1883 case GWL_ID: retvalue = reply->old_id; break;
1884 case GWL_HINSTANCE: retvalue = (ULONG_PTR)reply->old_instance; break;
1885 case GWL_USERDATA: retvalue = (ULONG_PTR)reply->old_user_data; break;
1886 default:
1887 SetLastError( ERROR_INVALID_INDEX );
1888 break;
1889 }
1890 }
1891 }
1892 SERVER_END_REQ;
1893 return retvalue;
1894 }
1895
1896 /* now we have a valid wndPtr */
1897
1898 if (offset >= 0)
1899 {
1900 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1901 {
1902 /*
1903 * Some programs try to access last element from 16 bit
1904 * code using illegal offset value. Hopefully this is
1905 * what those programs really expect.
1906 */
1907 if (type == WIN_PROC_16 &&
1908 wndPtr->cbWndExtra >= 4 &&
1909 offset == wndPtr->cbWndExtra - sizeof(WORD))
1910 {
1911 INT offset2 = wndPtr->cbWndExtra - sizeof(LONG);
1912
1913 ERR( "- replaced invalid offset %d with %d\n",
1914 offset, offset2 );
1915
1916 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset2);
1917 WIN_ReleasePtr( wndPtr );
1918 return retvalue;
1919 }
1920 WARN("Invalid offset %d\n", offset );
1921 WIN_ReleasePtr( wndPtr );
1922 SetLastError( ERROR_INVALID_INDEX );
1923 return 0;
1924 }
1925 retvalue = *(LONG *)(((char *)wndPtr->wExtra) + offset);
1926 /* Special case for dialog window procedure */
1927 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
1928 retvalue = (LONG)WINPROC_GetProc( (WNDPROC)retvalue, type );
1929 WIN_ReleasePtr( wndPtr );
1930 return retvalue;
1931 }
1932
1933 switch(offset)
1934 {
1935 case GWL_USERDATA: retvalue = wndPtr->userdata; break;
1936 case GWL_STYLE: retvalue = wndPtr->dwStyle; break;
1937 case GWL_EXSTYLE: retvalue = wndPtr->dwExStyle; break;
1938 case GWL_ID: retvalue = (LONG)wndPtr->wIDmenu; break;
1939 case GWL_WNDPROC: retvalue = (LONG)WINPROC_GetProc( wndPtr->winproc, type ); break;
1940 case GWL_HINSTANCE: retvalue = (LONG)wndPtr->hInstance; break;
1941 default:
1942 WARN("Unknown offset %d\n", offset );
1943 SetLastError( ERROR_INVALID_INDEX );
1944 break;
1945 }
1946 WIN_ReleasePtr(wndPtr);
1947 return retvalue;
1948 }
1949
1950
1951 /**********************************************************************
1952 * WIN_SetWindowLong
1953 *
1954 * Helper function for SetWindowLong().
1955 *
1956 * 0 is the failure code. However, in the case of failure SetLastError
1957 * must be set to distinguish between a 0 return value and a failure.
1958 */
1959 static LONG WIN_SetWindowLong( HWND hwnd, INT offset, LONG newval,
1960 WINDOWPROCTYPE type )
1961 {
1962 LONG retval = 0;
1963 WND *wndPtr;
1964
1965 TRACE( "%p %d %lx %x\n", hwnd, offset, newval, type );
1966
1967 if (is_broadcast(hwnd))
1968 {
1969 SetLastError( ERROR_INVALID_PARAMETER );
1970 return FALSE;
1971 }
1972 if (!WIN_IsCurrentProcess( hwnd ))
1973 {
1974 if (offset == GWL_WNDPROC)
1975 {
1976 SetLastError( ERROR_ACCESS_DENIED );
1977 return 0;
1978 }
1979 return SendMessageW( hwnd, WM_WINE_SETWINDOWLONG, offset, newval );
1980 }
1981
1982 wndPtr = WIN_GetPtr( hwnd );
1983 if (wndPtr->hwndSelf == GetDesktopWindow())
1984 {
1985 /* can't change anything on the desktop window */
1986 WIN_ReleasePtr( wndPtr );
1987 SetLastError( ERROR_ACCESS_DENIED );
1988 return 0;
1989 }
1990
1991 if (offset >= 0)
1992 {
1993 LONG *ptr = (LONG *)(((char *)wndPtr->wExtra) + offset);
1994 if (offset > (int)(wndPtr->cbWndExtra - sizeof(LONG)))
1995 {
1996 WARN("Invalid offset %d\n", offset );
1997 WIN_ReleasePtr( wndPtr );
1998 SetLastError( ERROR_INVALID_INDEX );
1999 return 0;
2000 }
2001 /* Special case for dialog window procedure */
2002 if ((offset == DWL_DLGPROC) && (wndPtr->flags & WIN_ISDIALOG))
2003 {
2004 retval = (LONG)WINPROC_GetProc( (WNDPROC)*ptr, type );
2005 WINPROC_SetProc( (WNDPROC *)ptr, (WNDPROC)newval, type, WIN_PROC_WINDOW );
2006 WIN_ReleasePtr( wndPtr );
2007 return retval;
2008 }
2009 retval = *ptr;
2010 *ptr = newval;
2011 WIN_ReleasePtr( wndPtr );
2012 }
2013 else
2014 {
2015 STYLESTRUCT style;
2016 BOOL ok;
2017
2018 /* first some special cases */
2019 switch( offset )
2020 {
2021 case GWL_STYLE:
2022 case GWL_EXSTYLE:
2023 style.styleOld = wndPtr->dwStyle;
2024 style.styleNew = newval;
2025 WIN_ReleasePtr( wndPtr );
2026 SendMessageW( hwnd, WM_STYLECHANGING, offset, (LPARAM)&style );
2027 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
2028 newval = style.styleNew;
2029 break;
2030 case GWL_HWNDPARENT:
2031 if (wndPtr->parent == GetDesktopWindow())
2032 {
2033 WIN_ReleasePtr( wndPtr );
2034 return (LONG)WIN_SetOwner( hwnd, (HWND)newval );
2035 }
2036 else
2037 {
2038 WIN_ReleasePtr( wndPtr );
2039 return (LONG)SetParent( hwnd, (HWND)newval );
2040 }
2041 case GWL_WNDPROC:
2042 retval = (LONG)WINPROC_GetProc( wndPtr->winproc, type );
2043 WINPROC_SetProc( &wndPtr->winproc, (WNDPROC)newval, type, WIN_PROC_WINDOW );
2044 WIN_ReleasePtr( wndPtr );
2045 return retval;
2046 case GWL_ID:
2047 case GWL_HINSTANCE:
2048 case GWL_USERDATA:
2049 break;
2050 default:
2051 WIN_ReleasePtr( wndPtr );
2052 WARN("Invalid offset %d\n", offset );
2053 SetLastError( ERROR_INVALID_INDEX );
2054 return 0;
2055 }
2056
2057 SERVER_START_REQ( set_window_info )
2058 {
2059 req->handle = hwnd;
2060 switch(offset)
2061 {
2062 case GWL_STYLE:
2063 req->flags = SET_WIN_STYLE;
2064 req->style = newval;
2065 break;
2066 case GWL_EXSTYLE:
2067 req->flags = SET_WIN_EXSTYLE;
2068 req->ex_style = newval;
2069 break;
2070 case GWL_ID:
2071 req->flags = SET_WIN_ID;
2072 req->id = newval;
2073 break;
2074 case GWL_HINSTANCE:
2075 req->flags = SET_WIN_INSTANCE;
2076 req->instance = (void *)newval;
2077 break;
2078 case GWL_USERDATA:
2079 req->flags = SET_WIN_USERDATA;
2080 req->user_data = (void *)newval;
2081 break;
2082 }
2083 if ((ok = !wine_server_call_err( req )))
2084 {
2085 switch(offset)
2086 {
2087 case GWL_STYLE:
2088 wndPtr->dwStyle = newval;
2089 retval = reply->old_style;
2090 break;
2091 case GWL_EXSTYLE:
2092 wndPtr->dwExStyle = newval;
2093 retval = reply->old_ex_style;
2094 break;
2095 case GWL_ID:
2096 wndPtr->wIDmenu = newval;
2097 retval = reply->old_id;
2098 break;
2099 case GWL_HINSTANCE:
2100 wndPtr->hInstance = (HINSTANCE)newval;
2101 retval = (ULONG_PTR)reply->old_instance;
2102 break;
2103 case GWL_USERDATA:
2104 wndPtr->userdata = newval;
2105 retval = (ULONG_PTR)reply->old_user_data;
2106 break;
2107 }
2108 }
2109 }
2110 SERVER_END_REQ;
2111 WIN_ReleasePtr( wndPtr );
2112
2113 if (!ok) return 0;
2114
2115 if (offset == GWL_STYLE && USER_Driver.pSetWindowStyle)
2116 USER_Driver.pSetWindowStyle( hwnd, retval );
2117
2118 if (offset == GWL_STYLE || offset == GWL_EXSTYLE)
2119 SendMessageW( hwnd, WM_STYLECHANGED, offset, (LPARAM)&style );
2120
2121 }
2122 return retval;
2123 }
2124
2125
2126 /**********************************************************************
2127 * GetWindowLong (USER.135)
2128 */
2129 LONG WINAPI GetWindowLong16( HWND16 hwnd, INT16 offset )
2130 {
2131 return WIN_GetWindowLong( WIN_Handle32(hwnd), offset, WIN_PROC_16 );
2132 }
2133
2134
2135 /**********************************************************************
2136 * GetWindowLongA (USER32.@)
2137 */
2138 LONG WINAPI GetWindowLongA( HWND hwnd, INT offset )
2139 {
2140 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32A );
2141 }
2142
2143
2144 /**********************************************************************
2145 * GetWindowLongW (USER32.@)
2146 */
2147 LONG WINAPI GetWindowLongW( HWND hwnd, INT offset )
2148 {
2149 return WIN_GetWindowLong( hwnd, offset, WIN_PROC_32W );
2150 }
2151
2152
2153 /**********************************************************************
2154 * SetWindowLong (USER.136)
2155 */
2156 LONG WINAPI SetWindowLong16( HWND16 hwnd, INT16 offset, LONG newval )
2157 {
2158 return WIN_SetWindowLong( WIN_Handle32(hwnd), offset, newval, WIN_PROC_16 );
2159 }
2160
2161
2162 /**********************************************************************
2163 * SetWindowLongA (USER32.@)
2164 */
2165 LONG WINAPI SetWindowLongA( HWND hwnd, INT offset, LONG newval )
2166 {
2167 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32A );
2168 }
2169
2170
2171 /**********************************************************************
2172 * SetWindowLongW (USER32.@) Set window attribute
2173 *
2174 * SetWindowLong() alters one of a window's attributes or sets a 32-bit (long)
2175 * value in a window's extra memory.
2176 *
2177 * The _hwnd_ parameter specifies the window. is the handle to a
2178 * window that has extra memory. The _newval_ parameter contains the
2179 * new attribute or extra memory value. If positive, the _offset_
2180 * parameter is the byte-addressed location in the window's extra
2181 * memory to set. If negative, _offset_ specifies the window
2182 * attribute to set, and should be one of the following values:
2183 *
2184 * GWL_EXSTYLE The window's extended window style
2185 *
2186 * GWL_STYLE The window's window style.
2187 *
2188 * GWL_WNDPROC Pointer to the window's window procedure.
2189 *
2190 * GWL_HINSTANCE The window's pplication instance handle.
2191 *
2192 * GWL_ID The window's identifier.
2193 *
2194 * GWL_USERDATA The window's user-specified data.
2195 *
2196 * If the window is a dialog box, the _offset_ parameter can be one of
2197 * the following values:
2198 *
2199 * DWL_DLGPROC The address of the window's dialog box procedure.
2200 *
2201 * DWL_MSGRESULT The return value of a message
2202 * that the dialog box procedure processed.
2203 *
2204 * DWL_USER Application specific information.
2205 *
2206 * RETURNS
2207 *
2208 * If successful, returns the previous value located at _offset_. Otherwise,
2209 * returns 0.
2210 *
2211 * NOTES
2212 *
2213 * Extra memory for a window class is specified by a nonzero cbWndExtra
2214 * parameter of the WNDCLASS structure passed to RegisterClass() at the
2215 * time of class creation.
2216 *
2217 * Using GWL_WNDPROC to set a new window procedure effectively creates
2218 * a window subclass. Use CallWindowProc() in the new windows procedure
2219 * to pass messages to the superclass's window procedure.
2220 *
2221 * The user data is reserved for use by the application which created
2222 * the window.
2223 *
2224 * Do not use GWL_STYLE to change the window's WS_DISABLED style;
2225 * instead, call the EnableWindow() function to change the window's
2226 * disabled state.
2227 *
2228 * Do not use GWL_HWNDPARENT to reset the window's parent, use
2229 * SetParent() instead.
2230 *
2231 * Win95:
2232 * When offset is GWL_STYLE and the calling app's ver is 4.0,
2233 * it sends WM_STYLECHANGING before changing the settings
2234 * and WM_STYLECHANGED afterwards.
2235 * App ver 4.0 can't use SetWindowLong to change WS_EX_TOPMOST.
2236 */
2237 LONG WINAPI SetWindowLongW(
2238 HWND hwnd, /* [in] window to alter */
2239 INT offset, /* [in] offset, in bytes, of location to alter */
2240 LONG newval /* [in] new value of location */
2241 ) {
2242 return WIN_SetWindowLong( hwnd, offset, newval, WIN_PROC_32W );
2243 }
2244
2245
2246 /*******************************************************************
2247 * GetWindowTextA (USER32.@)
2248 */
2249 INT WINAPI GetWindowTextA( HWND hwnd, LPSTR lpString, INT nMaxCount )
2250 {
2251 WCHAR *buffer;
2252
2253 if (WIN_IsCurrentProcess( hwnd ))
2254 return (INT)SendMessageA( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2255
2256 /* when window belongs to other process, don't send a message */
2257 if (nMaxCount <= 0) return 0;
2258 if (!(buffer = HeapAlloc( GetProcessHeap(), 0, nMaxCount * sizeof(WCHAR) ))) return 0;
2259 get_server_window_text( hwnd, buffer, nMaxCount );
2260 if (!WideCharToMultiByte( CP_ACP, 0, buffer, -1, lpString, nMaxCount, NULL, NULL ))
2261 lpString[nMaxCount-1] = 0;
2262 HeapFree( GetProcessHeap(), 0, buffer );
2263 return strlen(lpString);
2264 }
2265
2266
2267 /*******************************************************************
2268 * InternalGetWindowText (USER32.@)
2269 */
2270 INT WINAPI InternalGetWindowText(HWND hwnd,LPWSTR lpString,INT nMaxCount )
2271 {
2272 WND *win;
2273
2274 if (nMaxCount <= 0) return 0;
2275 if (!(win = WIN_GetPtr( hwnd ))) return 0;
2276 if (win != WND_OTHER_PROCESS)
2277 {
2278 if (win->text) lstrcpynW( lpString, win->text, nMaxCount );
2279 else lpString[0] = 0;
2280 WIN_ReleasePtr( win );
2281 }
2282 else
2283 {
2284 get_server_window_text( hwnd, lpString, nMaxCount );
2285 }
2286 return strlenW(lpString);
2287 }
2288
2289
2290 /*******************************************************************
2291 * GetWindowTextW (USER32.@)
2292 */
2293 INT WINAPI GetWindowTextW( HWND hwnd, LPWSTR lpString, INT nMaxCount )
2294 {
2295 if (WIN_IsCurrentProcess( hwnd ))
2296 return (INT)SendMessageW( hwnd, WM_GETTEXT, nMaxCount, (LPARAM)lpString );
2297
2298 /* when window belongs to other process, don't send a message */
2299 if (nMaxCount <= 0) return 0;
2300 get_server_window_text( hwnd, lpString, nMaxCount );
2301 return strlenW(lpString);
2302 }
2303
2304
2305 /*******************************************************************
2306 * SetWindowText (USER32.@)
2307 * SetWindowTextA (USER32.@)
2308 */
2309 BOOL WINAPI SetWindowTextA( HWND hwnd, LPCSTR lpString )
2310 {
2311 if (is_broadcast(hwnd))
2312 {
2313 SetLastError( ERROR_INVALID_PARAMETER );
2314 return FALSE;
2315 }
2316 if (!WIN_IsCurrentProcess( hwnd ))
2317 {
2318 FIXME( "cannot set text %s of other process window %p\n", debugstr_a(lpString), hwnd );
2319 SetLastError( ERROR_ACCESS_DENIED );
2320 return FALSE;
2321 }
2322 return (BOOL)SendMessageA( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2323 }
2324
2325
2326 /*******************************************************************
2327 * SetWindowTextW (USER32.@)
2328 */
2329 BOOL WINAPI SetWindowTextW( HWND hwnd, LPCWSTR lpString )
2330 {
2331 if (is_broadcast(hwnd))
2332 {
2333 SetLastError( ERROR_INVALID_PARAMETER );
2334 return FALSE;
2335 }
2336 if (!WIN_IsCurrentProcess( hwnd ))
2337 {
2338 FIXME( "cannot set text %s of other process window %p\n", debugstr_w(lpString), hwnd );
2339 SetLastError( ERROR_ACCESS_DENIED );
2340 return FALSE;
2341 }
2342 return (BOOL)SendMessageW( hwnd, WM_SETTEXT, 0, (LPARAM)lpString );
2343 }
2344
2345
2346 /*******************************************************************
2347 * GetWindowTextLengthA (USER32.@)
2348 */
2349 INT WINAPI GetWindowTextLengthA( HWND hwnd )
2350 {
2351 return SendMessageA( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2352 }
2353
2354 /*******************************************************************
2355 * GetWindowTextLengthW (USER32.@)
2356 */
2357 INT WINAPI GetWindowTextLengthW( HWND hwnd )
2358 {
2359 return SendMessageW( hwnd, WM_GETTEXTLENGTH, 0, 0 );
2360 }
2361
2362
2363 /*******************************************************************
2364 * IsWindow (USER32.@)
2365 */
2366 BOOL WINAPI IsWindow( HWND hwnd )
2367 {
2368 WND *ptr;
2369 BOOL ret;
2370
2371 if (!(ptr = WIN_GetPtr( hwnd ))) return FALSE;
2372
2373 if (ptr != WND_OTHER_PROCESS)
2374 {
2375 WIN_ReleasePtr( ptr );
2376 return TRUE;
2377 }
2378
2379 /* check other processes */
2380 SERVER_START_REQ( get_window_info )
2381 {
2382 req->handle = hwnd;
2383 ret = !wine_server_call_err( req );
2384 }
2385 SERVER_END_REQ;
2386 return ret;
2387 }
2388
2389
2390 /***********************************************************************
2391 * GetWindowThreadProcessId (USER32.@)
2392 */
2393 DWORD WINAPI GetWindowThreadProcessId( HWND hwnd, LPDWORD process )
2394 {
2395 WND *ptr;
2396 DWORD tid = 0;
2397
2398 if (!(ptr = WIN_GetPtr( hwnd )))
2399 {
2400 SetLastError( ERROR_INVALID_WINDOW_HANDLE);
2401 return 0;
2402 }
2403
2404 if (ptr != WND_OTHER_PROCESS)
2405 {
2406 /* got a valid window */
2407 tid = ptr->tid;
2408 if (process) *process = GetCurrentProcessId();
2409 WIN_ReleasePtr( ptr );
2410 return tid;
2411 }
2412
2413 /* check other processes */
2414 SERVER_START_REQ( get_window_info )
2415 {
2416 req->handle = hwnd;
2417 if (!wine_server_call_err( req ))
2418 {
2419 tid = (DWORD)reply->tid;
2420 if (process) *process = (DWORD)reply->pid;
2421 }
2422 }
2423 SERVER_END_REQ;
2424 return tid;
2425 }
2426
2427
2428 /*****************************************************************
2429 * GetParent (USER32.@)
2430 */
2431 HWND WINAPI GetParent( HWND hwnd )
2432 {
2433 WND *wndPtr;
2434 HWND retvalue = 0;
2435
2436 if (!(wndPtr = WIN_GetPtr( hwnd )))
2437 {
2438 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2439 return 0;
2440 }
2441 if (wndPtr == WND_OTHER_PROCESS)
2442 {
2443 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2444 if (style & (WS_POPUP | WS_CHILD))
2445 {
2446 SERVER_START_REQ( get_window_tree )
2447 {
2448 req->handle = hwnd;
2449 if (!wine_server_call_err( req ))
2450 {
2451 if (style & WS_POPUP) retvalue = reply->owner;
2452 else if (style & WS_CHILD) retvalue = reply->parent;
2453 }
2454 }
2455 SERVER_END_REQ;
2456 }
2457 }
2458 else
2459 {
2460 if (wndPtr->dwStyle & WS_POPUP) retvalue = wndPtr->owner;
2461 else if (wndPtr->dwStyle & WS_CHILD) retvalue = wndPtr->parent;
2462 WIN_ReleasePtr( wndPtr );
2463 }
2464 return retvalue;
2465 }
2466
2467
2468 /*****************************************************************
2469 * GetAncestor (USER32.@)
2470 */
2471 HWND WINAPI GetAncestor( HWND hwnd, UINT type )
2472 {
2473 WND *win;
2474 HWND *list, ret = 0;
2475
2476 switch(type)
2477 {
2478 case GA_PARENT:
2479 if (!(win = WIN_GetPtr( hwnd )))
2480 {
2481 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2482 return 0;
2483 }
2484 if (win != WND_OTHER_PROCESS)
2485 {
2486 ret = win->parent;
2487 WIN_ReleasePtr( win );
2488 }
2489 else /* need to query the server */
2490 {
2491 SERVER_START_REQ( get_window_tree )
2492 {
2493 req->handle = hwnd;
2494 if (!wine_server_call_err( req )) ret = reply->parent;
2495 }
2496 SERVER_END_REQ;
2497 }
2498 break;
2499
2500 case GA_ROOT:
2501 if (!(list = WIN_ListParents( hwnd ))) return 0;
2502
2503 if (!list[0] || !list[1]) ret = WIN_GetFullHandle( hwnd ); /* top-level window */
2504 else
2505 {
2506 int count = 2;
2507 while (list[count]) count++;
2508 ret = list[count - 2]; /* get the one before the desktop */
2509 }
2510 HeapFree( GetProcessHeap(), 0, list );
2511 break;
2512
2513 case GA_ROOTOWNER:
2514 if ((ret = WIN_GetFullHandle( hwnd )) == GetDesktopWindow()) return 0;
2515 for (;;)
2516 {
2517 HWND parent = GetParent( ret );
2518 if (!parent) break;
2519 ret = parent;
2520 }
2521 break;
2522 }
2523 return ret;
2524 }
2525
2526
2527 /*****************************************************************
2528 * SetParent (USER32.@)
2529 */
2530 HWND WINAPI SetParent( HWND hwnd, HWND parent )
2531 {
2532 WND *wndPtr;
2533 HWND retvalue, full_handle;
2534 BOOL was_visible;
2535
2536 if (is_broadcast(hwnd) || is_broadcast(parent))
2537 {
2538 SetLastError(ERROR_INVALID_PARAMETER);
2539 return 0;
2540 }
2541
2542 if (!parent) parent = GetDesktopWindow();
2543 else parent = WIN_GetFullHandle( parent );
2544
2545 if (!IsWindow( parent ))
2546 {
2547 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2548 return 0;
2549 }
2550
2551 if (!(full_handle = WIN_IsCurrentThread( hwnd )))
2552 return (HWND)SendMessageW( hwnd, WM_WINE_SETPARENT, (WPARAM)parent, 0 );
2553
2554 hwnd = full_handle;
2555
2556 if (USER_Driver.pSetParent)
2557 return USER_Driver.pSetParent( hwnd, parent );
2558
2559 /* Windows hides the window first, then shows it again
2560 * including the WM_SHOWWINDOW messages and all */
2561 was_visible = ShowWindow( hwnd, SW_HIDE );
2562
2563 if (!IsWindow( parent )) return 0;
2564 if (!(wndPtr = WIN_GetPtr(hwnd)) || wndPtr == WND_OTHER_PROCESS) return 0;
2565
2566 retvalue = wndPtr->parent; /* old parent */
2567 if (parent != retvalue)
2568 {
2569 WIN_LinkWindow( hwnd, parent, HWND_TOP );
2570
2571 if (parent != GetDesktopWindow()) /* a child window */
2572 {
2573 if (!(wndPtr->dwStyle & WS_CHILD))
2574 {
2575 HMENU menu = (HMENU)SetWindowLongW( hwnd, GWL_ID, 0 );
2576 if (menu) DestroyMenu( menu );
2577 }
2578 }
2579 }
2580 WIN_ReleasePtr( wndPtr );
2581
2582 /* SetParent additionally needs to make hwnd the topmost window
2583 in the x-order and send the expected WM_WINDOWPOSCHANGING and
2584 WM_WINDOWPOSCHANGED notification messages.
2585 */
2586 SetWindowPos( hwnd, HWND_TOPMOST, 0, 0, 0, 0,
2587 SWP_NOACTIVATE | SWP_NOMOVE | SWP_NOSIZE | (was_visible ? SWP_SHOWWINDOW : 0) );
2588 /* FIXME: a WM_MOVE is also generated (in the DefWindowProc handler
2589 * for WM_WINDOWPOSCHANGED) in Windows, should probably remove SWP_NOMOVE */
2590 return retvalue;
2591 }
2592
2593
2594 /*******************************************************************
2595 * IsChild (USER32.@)
2596 */
2597 BOOL WINAPI IsChild( HWND parent, HWND child )
2598 {
2599 HWND *list = WIN_ListParents( child );
2600 int i;
2601 BOOL ret;
2602
2603 if (!list) return FALSE;
2604 parent = WIN_GetFullHandle( parent );
2605 for (i = 0; list[i]; i++) if (list[i] == parent) break;
2606 ret = (list[i] != 0);
2607 HeapFree( GetProcessHeap(), 0, list );
2608 return ret;
2609 }
2610
2611
2612 /***********************************************************************
2613 * IsWindowVisible (USER32.@)
2614 */
2615 BOOL WINAPI IsWindowVisible( HWND hwnd )
2616 {
2617 HWND *list;
2618 BOOL retval;
2619 int i;
2620
2621 if (!(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE)) return FALSE;
2622 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2623 for (i = 0; list[i]; i++)
2624 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_VISIBLE)) break;
2625 retval = !list[i];
2626 HeapFree( GetProcessHeap(), 0, list );
2627 return retval;
2628 }
2629
2630
2631 /***********************************************************************
2632 * WIN_IsWindowDrawable
2633 *
2634 * hwnd is drawable when it is visible, all parents are not
2635 * minimized, and it is itself not minimized unless we are
2636 * trying to draw its default class icon.
2637 */
2638 BOOL WIN_IsWindowDrawable( HWND hwnd, BOOL icon )
2639 {
2640 HWND *list;
2641 BOOL retval;
2642 int i;
2643 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2644
2645 if (!(style & WS_VISIBLE)) return FALSE;
2646 if ((style & WS_MINIMIZE) && icon && GetClassLongA( hwnd, GCL_HICON )) return FALSE;
2647
2648 if (!(list = WIN_ListParents( hwnd ))) return TRUE;
2649 for (i = 0; list[i]; i++)
2650 if ((GetWindowLongW( list[i], GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != WS_VISIBLE)
2651 break;
2652 retval = !list[i];
2653 HeapFree( GetProcessHeap(), 0, list );
2654 return retval;
2655 }
2656
2657
2658 /*******************************************************************
2659 * GetTopWindow (USER32.@)
2660 */
2661 HWND WINAPI GetTopWindow( HWND hwnd )
2662 {
2663 if (!hwnd) hwnd = GetDesktopWindow();
2664 return GetWindow( hwnd, GW_CHILD );
2665 }
2666
2667
2668 /*******************************************************************
2669 * GetWindow (USER32.@)
2670 */
2671 HWND WINAPI GetWindow( HWND hwnd, UINT rel )
2672 {
2673 HWND retval = 0;
2674
2675 if (rel == GW_OWNER) /* this one may be available locally */
2676 {
2677 WND *wndPtr = WIN_GetPtr( hwnd );
2678 if (!wndPtr)
2679 {
2680 SetLastError( ERROR_INVALID_HANDLE );
2681 return 0;
2682 }
2683 if (wndPtr != WND_OTHER_PROCESS)
2684 {
2685 retval = wndPtr->owner;
2686 WIN_ReleasePtr( wndPtr );
2687 return retval;
2688 }
2689 /* else fall through to server call */
2690 }
2691
2692 SERVER_START_REQ( get_window_tree )
2693 {
2694 req->handle = hwnd;
2695 if (!wine_server_call_err( req ))
2696 {
2697 switch(rel)
2698 {
2699 case GW_HWNDFIRST:
2700 retval = reply->first_sibling;
2701 break;
2702 case GW_HWNDLAST:
2703 retval = reply->last_sibling;
2704 break;
2705 case GW_HWNDNEXT:
2706 retval = reply->next_sibling;
2707 break;
2708 case GW_HWNDPREV:
2709 retval = reply->prev_sibling;
2710 break;
2711 case GW_OWNER:
2712 retval = reply->owner;
2713 break;
2714 case GW_CHILD:
2715 retval = reply->first_child;
2716 break;
2717 }
2718 }
2719 }
2720 SERVER_END_REQ;
2721 return retval;
2722 }
2723
2724
2725 /***********************************************************************
2726 * WIN_InternalShowOwnedPopups
2727 *
2728 * Internal version of ShowOwnedPopups; Wine functions should use this
2729 * to avoid interfering with application calls to ShowOwnedPopups
2730 * and to make sure the application can't prevent showing/hiding.
2731 *
2732 * Set unmanagedOnly to TRUE to show/hide unmanaged windows only.
2733 *
2734 */
2735
2736 BOOL WIN_InternalShowOwnedPopups( HWND owner, BOOL fShow, BOOL unmanagedOnly )
2737 {
2738 int count = 0;
2739 WND *pWnd;
2740 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2741
2742 if (!win_array) return TRUE;
2743
2744 /*
2745 * Show windows Lowest first, Highest last to preserve Z-Order
2746 */
2747 while (win_array[count]) count++;
2748 while (--count >= 0)
2749 {
2750 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2751 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2752
2753 if (pWnd->dwStyle & WS_POPUP)
2754 {
2755 if (fShow)
2756 {
2757 /* check in window was flagged for showing in previous WIN_InternalShowOwnedPopups call */
2758 if (pWnd->flags & WIN_NEEDS_INTERNALSOP)
2759 {
2760 /*
2761 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2762 */
2763 ShowWindow(pWnd->hwndSelf,SW_SHOW);
2764 pWnd->flags &= ~WIN_NEEDS_INTERNALSOP; /* remove the flag */
2765 }
2766 }
2767 else
2768 {
2769 if ( IsWindowVisible(pWnd->hwndSelf) && /* hide only if window is visible */
2770 !( pWnd->flags & WIN_NEEDS_INTERNALSOP ) && /* don't hide if previous call already did it */
2771 !( unmanagedOnly && (pWnd->dwExStyle & WS_EX_MANAGED) ) ) /* don't hide managed windows if unmanagedOnly is TRUE */
2772 {
2773 /*
2774 * Call ShowWindow directly because an application can intercept WM_SHOWWINDOW messages
2775 */
2776 ShowWindow(pWnd->hwndSelf,SW_HIDE);
2777 /* flag the window for showing on next WIN_InternalShowOwnedPopups call */
2778 pWnd->flags |= WIN_NEEDS_INTERNALSOP;
2779 }
2780 }
2781 }
2782 WIN_ReleaseWndPtr( pWnd );
2783 }
2784 HeapFree( GetProcessHeap(), 0, win_array );
2785
2786 return TRUE;
2787 }
2788
2789 /*******************************************************************
2790 * ShowOwnedPopups (USER32.@)
2791 */
2792 BOOL WINAPI ShowOwnedPopups( HWND owner, BOOL fShow )
2793 {
2794 int count = 0;
2795 WND *pWnd;
2796 HWND *win_array = WIN_ListChildren( GetDesktopWindow() );
2797
2798 if (!win_array) return TRUE;
2799
2800 while (win_array[count]) count++;
2801 while (--count >= 0)
2802 {
2803 if (GetWindow( win_array[count], GW_OWNER ) != owner) continue;
2804 if (!(pWnd = WIN_FindWndPtr( win_array[count] ))) continue;
2805
2806 if (pWnd->dwStyle & WS_POPUP)
2807 {
2808 if (fShow)
2809 {
2810 if (pWnd->flags & WIN_NEEDS_SHOW_OWNEDPOPUP)
2811 {
2812 /* In Windows, ShowOwnedPopups(TRUE) generates
2813 * WM_SHOWWINDOW messages with SW_PARENTOPENING,
2814 * regardless of the state of the owner
2815 */
2816 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_SHOW, SW_PARENTOPENING);
2817 pWnd->flags &= ~WIN_NEEDS_SHOW_OWNEDPOPUP;
2818 }
2819 }
2820 else
2821 {
2822 if (IsWindowVisible(pWnd->hwndSelf))
2823 {
2824 /* In Windows, ShowOwnedPopups(FALSE) generates
2825 * WM_SHOWWINDOW messages with SW_PARENTCLOSING,
2826 * regardless of the state of the owner
2827 */
2828 SendMessageA(pWnd->hwndSelf, WM_SHOWWINDOW, SW_HIDE, SW_PARENTCLOSING);
2829 pWnd->flags |= WIN_NEEDS_SHOW_OWNEDPOPUP;
2830 }
2831 }
2832 }
2833 WIN_ReleaseWndPtr( pWnd );
2834 }
2835 HeapFree( GetProcessHeap(), 0, win_array );
2836 return TRUE;
2837 }
2838
2839
2840 /*******************************************************************
2841 * GetLastActivePopup (USER32.@)
2842 */
2843 HWND WINAPI GetLastActivePopup( HWND hwnd )
2844 {
2845 HWND retval = hwnd;
2846
2847 SERVER_START_REQ( get_window_info )
2848 {
2849 req->handle = hwnd;
2850 if (!wine_server_call_err( req )) retval = reply->last_active;
2851 }
2852 SERVER_END_REQ;
2853 return retval;
2854 }
2855
2856
2857 /*******************************************************************
2858 * WIN_ListParents
2859 *
2860 * Build an array of all parents of a given window, starting with
2861 * the immediate parent. The array must be freed with HeapFree.
2862 * Returns NULL if window is a top-level window.
2863 */
2864 HWND *WIN_ListParents( HWND hwnd )
2865 {
2866 WND *win;
2867 HWND current, *list;
2868 int pos = 0, size = 16, count = 0;
2869
2870 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2871
2872 current = hwnd;
2873 for (;;)
2874 {
2875 if (!(win = WIN_GetPtr( current ))) goto empty;
2876 if (win == WND_OTHER_PROCESS) break; /* need to do it the hard way */
2877 list[pos] = win->parent;
2878 WIN_ReleasePtr( win );
2879 if (!(current = list[pos]))
2880 {
2881 if (!pos) goto empty;
2882 return list;
2883 }
2884 if (++pos == size - 1)
2885 {
2886 /* need to grow the list */
2887 HWND *new_list = HeapReAlloc( GetProcessHeap(), 0, list, (size+16) * sizeof(HWND) );
2888 if (!new_list) goto empty;
2889 list = new_list;
2890 size += 16;
2891 }
2892 }
2893
2894 /* at least one parent belongs to another process, have to query the server */
2895
2896 for (;;)
2897 {
2898 count = 0;
2899 SERVER_START_REQ( get_window_parents )
2900 {
2901 req->handle = hwnd;
2902 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
2903 if (!wine_server_call( req )) count = reply->count;
2904 }
2905 SERVER_END_REQ;
2906 if (!count) goto empty;
2907 if (size > count)
2908 {
2909 list[count] = 0;
2910 return list;
2911 }
2912 HeapFree( GetProcessHeap(), 0, list );
2913 size = count + 1;
2914 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) return NULL;
2915 }
2916
2917 empty:
2918 HeapFree( GetProcessHeap(), 0, list );
2919 return NULL;
2920 }
2921
2922
2923 /*******************************************************************
2924 * WIN_ListChildren
2925 *
2926 * Build an array of the children of a given window. The array must be
2927 * freed with HeapFree. Returns NULL when no windows are found.
2928 */
2929 HWND *WIN_ListChildren( HWND hwnd )
2930 {
2931 return list_window_children( hwnd, 0, 0 );
2932 }
2933
2934
2935 /*******************************************************************
2936 * EnumWindows (USER32.@)
2937 */
2938 BOOL WINAPI EnumWindows( WNDENUMPROC lpEnumFunc, LPARAM lParam )
2939 {
2940 HWND *list;
2941 BOOL ret = TRUE;
2942 int i, iWndsLocks;
2943
2944 /* We have to build a list of all windows first, to avoid */
2945 /* unpleasant side-effects, for instance if the callback */
2946 /* function changes the Z-order of the windows. */
2947
2948 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return TRUE;
2949
2950 /* Now call the callback function for every window */
2951
2952 iWndsLocks = WIN_SuspendWndsLock();
2953 for (i = 0; list[i]; i++)
2954 {
2955 /* Make sure that the window still exists */
2956 if (!IsWindow( list[i] )) continue;
2957 if (!(ret = lpEnumFunc( list[i], lParam ))) break;
2958 }
2959 WIN_RestoreWndsLock(iWndsLocks);
2960 HeapFree( GetProcessHeap(), 0, list );
2961 return ret;
2962 }
2963
2964
2965 /**********************************************************************
2966 * EnumThreadWindows (USER32.@)
2967 */
2968 BOOL WINAPI EnumThreadWindows( DWORD id, WNDENUMPROC func, LPARAM lParam )
2969 {
2970 HWND *list;
2971 int i, iWndsLocks;
2972
2973 if (!(list = list_window_children( GetDesktopWindow(), 0, id ))) return TRUE;
2974
2975 /* Now call the callback function for every window */
2976
2977 iWndsLocks = WIN_SuspendWndsLock();
2978 for (i = 0; list[i]; i++)
2979 if (!func( list[i], lParam )) break;
2980 WIN_RestoreWndsLock(iWndsLocks);
2981 HeapFree( GetProcessHeap(), 0, list );
2982 return TRUE;
2983 }
2984
2985
2986 /**********************************************************************
2987 * WIN_EnumChildWindows
2988 *
2989 * Helper function for EnumChildWindows().
2990 */
2991 static BOOL WIN_EnumChildWindows( HWND *list, WNDENUMPROC func, LPARAM lParam )
2992 {
2993 HWND *childList;
2994 BOOL ret = FALSE;
2995
2996 for ( ; *list; list++)
2997 {
2998 /* Make sure that the window still exists */
2999 if (!IsWindow( *list )) continue;
3000 /* skip owned windows */
3001 if (GetWindow( *list, GW_OWNER )) continue;
3002 /* Build children list first */
3003 childList = WIN_ListChildren( *list );
3004
3005 ret = func( *list, lParam );
3006
3007 if (childList)
3008 {
3009 if (ret) ret = WIN_EnumChildWindows( childList, func, lParam );
3010 HeapFree( GetProcessHeap(), 0, childList );
3011 }
3012 if (!ret) return FALSE;
3013 }
3014 return TRUE;
3015 }
3016
3017
3018 /**********************************************************************
3019 * EnumChildWindows (USER32.@)
3020 */
3021 BOOL WINAPI EnumChildWindows( HWND parent, WNDENUMPROC func, LPARAM lParam )
3022 {
3023 HWND *list;
3024 int iWndsLocks;
3025
3026 if (!(list = WIN_ListChildren( parent ))) return FALSE;
3027 iWndsLocks = WIN_SuspendWndsLock();
3028 WIN_EnumChildWindows( list, func, lParam );
3029 WIN_RestoreWndsLock(iWndsLocks);
3030 HeapFree( GetProcessHeap(), 0, list );
3031 return TRUE;
3032 }
3033
3034
3035 /*******************************************************************
3036 * AnyPopup (USER.52)
3037 */
3038 BOOL16 WINAPI AnyPopup16(void)
3039 {
3040 return AnyPopup();
3041 }
3042
3043
3044 /*******************************************************************
3045 * AnyPopup (USER32.@)
3046 */
3047 BOOL WINAPI AnyPopup(void)
3048 {
3049 int i;
3050 BOOL retvalue;
3051 HWND *list = WIN_ListChildren( GetDesktopWindow() );
3052
3053 if (!list) return FALSE;
3054 for (i = 0; list[i]; i++)
3055 {
3056 if (IsWindowVisible( list[i] ) && GetWindow( list[i], GW_OWNER )) break;
3057 }
3058 retvalue = (list[i] != 0);
3059 HeapFree( GetProcessHeap(), 0, list );
3060 return retvalue;
3061 }
3062
3063
3064 /*******************************************************************
3065 * FlashWindow (USER32.@)
3066 */
3067 BOOL WINAPI FlashWindow( HWND hWnd, BOOL bInvert )
3068 {
3069 WND *wndPtr = WIN_FindWndPtr(hWnd);
3070
3071 TRACE("%p\n", hWnd);
3072
3073 if (!wndPtr) return FALSE;
3074 hWnd = wndPtr->hwndSelf; /* make it a full handle */
3075
3076 if (wndPtr->dwStyle & WS_MINIMIZE)
3077 {
3078 if (bInvert && !(wndPtr->flags & WIN_NCACTIVATED))
3079 {
3080 HDC hDC = GetDC(hWnd);
3081
3082 if (!SendMessageW( hWnd, WM_ERASEBKGND, (WPARAM)hDC, 0 ))
3083 wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
3084
3085 ReleaseDC( hWnd, hDC );
3086 wndPtr->flags |= WIN_NCACTIVATED;
3087 }
3088 else
3089 {
3090 RedrawWindow( hWnd, 0, 0, RDW_INVALIDATE | RDW_ERASE | RDW_UPDATENOW | RDW_FRAME );
3091 wndPtr->flags &= ~WIN_NCACTIVATED;
3092 }
3093 WIN_ReleaseWndPtr(wndPtr);
3094 return TRUE;
3095 }
3096 else
3097 {
3098 WPARAM16 wparam;
3099 if (bInvert) wparam = !(wndPtr->flags & WIN_NCACTIVATED);
3100 else wparam = (hWnd == GetForegroundWindow());
3101
3102 WIN_ReleaseWndPtr(wndPtr);
3103 SendMessageW( hWnd, WM_NCACTIVATE, wparam, (LPARAM)0 );
3104 return wparam;
3105 }
3106 }
3107
3108 /*******************************************************************
3109 * FlashWindowEx (USER32.@)
3110 */
3111 BOOL WINAPI FlashWindowEx( PFLASHWINFO pfwi )
3112 {
3113 FIXME("%p\n", pfwi);
3114 return TRUE;
3115 }
3116
3117 /*******************************************************************
3118 * GetWindowContextHelpId (USER32.@)
3119 */
3120 DWORD WINAPI GetWindowContextHelpId( HWND hwnd )
3121 {
3122 DWORD retval;
3123 WND *wnd = WIN_FindWndPtr( hwnd );
3124 if (!wnd) return 0;
3125 retval = wnd->helpContext;
3126 WIN_ReleaseWndPtr(wnd);
3127 return retval;
3128 }
3129
3130
3131 /*******************************************************************
3132 * SetWindowContextHelpId (USER32.@)
3133 */
3134 BOOL WINAPI SetWindowContextHelpId( HWND hwnd, DWORD id )
3135 {
3136 WND *wnd = WIN_FindWndPtr( hwnd );
3137 if (!wnd) return FALSE;
3138 wnd->helpContext = id;
3139 WIN_ReleaseWndPtr(wnd);
3140 return TRUE;
3141 }
3142
3143
3144 /*******************************************************************
3145 * DragDetect (USER32.@)
3146 */
3147 BOOL WINAPI DragDetect( HWND hWnd, POINT pt )
3148 {
3149 MSG msg;
3150 RECT rect;
3151
3152 rect.left = pt.x - wDragWidth;
3153 rect.right = pt.x + wDragWidth;
3154
3155 rect.top = pt.y - wDragHeight;
3156 rect.bottom = pt.y + wDragHeight;
3157
3158 SetCapture(hWnd);
3159
3160 while(1)
3161 {
3162 while(PeekMessageA(&msg ,0 ,WM_MOUSEFIRST ,WM_MOUSELAST ,PM_REMOVE))
3163 {
3164 if( msg.message == WM_LBUTTONUP )
3165 {
3166 ReleaseCapture();
3167 return 0;
3168 }
3169 if( msg.message == WM_MOUSEMOVE )
3170 {
3171 POINT tmp;
3172 tmp.x = LOWORD(msg.lParam);
3173 tmp.y = HIWORD(msg.lParam);
3174 if( !PtInRect( &rect, tmp ))
3175 {
3176 ReleaseCapture();
3177 return 1;
3178 }
3179 }
3180 }
3181 WaitMessage();
3182 }
3183 return 0;
3184 }
3185
3186 /******************************************************************************
3187 * GetWindowModuleFileNameA (USER32.@)
3188 */
3189 UINT WINAPI GetWindowModuleFileNameA( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3190 {
3191 FIXME("GetWindowModuleFileNameA(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3192 hwnd, lpszFileName, cchFileNameMax);
3193 return 0;
3194 }
3195
3196 /******************************************************************************
3197 * GetWindowModuleFileNameW (USER32.@)
3198 */
3199 UINT WINAPI GetWindowModuleFileNameW( HWND hwnd, LPSTR lpszFileName, UINT cchFileNameMax)
3200 {
3201 FIXME("GetWindowModuleFileNameW(hwnd %p, lpszFileName %p, cchFileNameMax %u) stub!\n",
3202 hwnd, lpszFileName, cchFileNameMax);
3203 return 0;
3204 }
3205
3206 /******************************************************************************
3207 * GetWindowInfo (USER32.@)
3208 * hwnd: in
3209 * pwi: out.
3210 * MS Documentation mentions that pwi->cbSize must be set to SIZEOF(WINDOWINFO)
3211 * this may be because this structure changed over time. If this is the
3212 * the case, then please: FIXME.
3213 * Using the structure described in MSDN for 98/ME/NT(4.0 SP3)/2000/XP.
3214 */
3215 BOOL WINAPI GetWindowInfo( HWND hwnd, PWINDOWINFO pwi)
3216 {
3217 if (!pwi) return FALSE;
3218 if (pwi->cbSize != sizeof(WINDOWINFO))
3219 {
3220 FIXME("windowinfo->cbSize != sizeof(WINDOWINFO). Please report\n");
3221 return FALSE;
3222 }
3223 if (!IsWindow(hwnd)) return FALSE;
3224
3225 GetWindowRect(hwnd, &pwi->rcWindow);
3226 GetClientRect(hwnd, &pwi->rcClient);
3227 /* translate to screen coordinates */
3228 MapWindowPoints(hwnd, 0, (LPPOINT)&pwi->rcClient, 2);
3229
3230 pwi->dwStyle = GetWindowLongW(hwnd, GWL_STYLE);
3231 pwi->dwExStyle = GetWindowLongW(hwnd, GWL_EXSTYLE);
3232 pwi->dwWindowStatus = ((GetActiveWindow() == hwnd) ? WS_ACTIVECAPTION : 0);
3233
3234 pwi->cxWindowBorders = pwi->rcClient.left - pwi->rcWindow.left;
3235 pwi->cyWindowBorders = pwi->rcWindow.bottom - pwi->rcClient.bottom;
3236
3237 pwi->atomWindowType = GetClassLongW( hwnd, GCW_ATOM );
3238 pwi->wCreatorVersion = 0x0400;
3239
3240 return TRUE;
3241 }
Maarten's multimedia branch