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x3daudio1_5: Add stub dll.
[wine.git] / dlls / user32 / winpos.c
blob12d3ffa0325842f4887afaee0ff100ef7f18d925
1 /*
2 * Window position related functions.
3 *
4 * Copyright 1993, 1994, 1995 Alexandre Julliard
5 * 1995, 1996, 1999 Alex Korobka
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
20 */
21
22 #include "config.h"
23 #include "wine/port.h"
24
25 #include <stdarg.h>
26 #include <string.h>
27 #include "ntstatus.h"
28 #define WIN32_NO_STATUS
29 #include "windef.h"
30 #include "winbase.h"
31 #include "wingdi.h"
32 #include "winerror.h"
33 #include "wine/server.h"
34 #include "controls.h"
35 #include "user_private.h"
36 #include "wine/gdi_driver.h"
37 #include "win.h"
38 #include "wine/debug.h"
39
40 WINE_DEFAULT_DEBUG_CHANNEL(win);
41
42 #define SWP_AGG_NOGEOMETRYCHANGE \
43 (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)
44 #define SWP_AGG_NOPOSCHANGE \
45 (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
46 #define SWP_AGG_STATUSFLAGS \
47 (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
48
49 #define HAS_DLGFRAME(style,exStyle) \
50 (((exStyle) & WS_EX_DLGMODALFRAME) || \
51 (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
52
53 #define HAS_THICKFRAME(style) \
54 (((style) & WS_THICKFRAME) && \
55 !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
56
57 #define EMPTYPOINT(pt) ((pt).x == -1 && (pt).y == -1)
58
59 #define ON_LEFT_BORDER(hit) \
60 (((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
61 #define ON_RIGHT_BORDER(hit) \
62 (((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
63 #define ON_TOP_BORDER(hit) \
64 (((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
65 #define ON_BOTTOM_BORDER(hit) \
66 (((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
67
68 #define PLACE_MIN 0x0001
69 #define PLACE_MAX 0x0002
70 #define PLACE_RECT 0x0004
71
72 typedef struct
73 {
74 struct user_object obj;
75 INT actualCount;
76 INT suggestedCount;
77 HWND hwndParent;
78 WINDOWPOS *winPos;
79 } DWP;
80
81
82 /***********************************************************************
83 * SwitchToThisWindow (USER32.@)
84 */
85 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL alt_tab )
86 {
87 if (IsIconic( hwnd )) ShowWindow( hwnd, SW_RESTORE );
88 else BringWindowToTop( hwnd );
89 }
90
91
92 /***********************************************************************
93 * GetWindowRect (USER32.@)
94 */
95 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
96 {
97 BOOL ret = WIN_GetRectangles( hwnd, COORDS_SCREEN, rect, NULL );
98 if (ret) TRACE( "hwnd %p %s\n", hwnd, wine_dbgstr_rect(rect) );
99 return ret;
100 }
101
102
103 /***********************************************************************
104 * GetWindowRgn (USER32.@)
105 */
106 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
107 {
108 int nRet = ERROR;
109 NTSTATUS status;
110 HRGN win_rgn = 0;
111 RGNDATA *data;
112 size_t size = 256;
113
114 do
115 {
116 if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
117 {
118 SetLastError( ERROR_OUTOFMEMORY );
119 return ERROR;
120 }
121 SERVER_START_REQ( get_window_region )
122 {
123 req->window = wine_server_user_handle( hwnd );
124 wine_server_set_reply( req, data->Buffer, size );
125 if (!(status = wine_server_call( req )))
126 {
127 size_t reply_size = wine_server_reply_size( reply );
128 if (reply_size)
129 {
130 data->rdh.dwSize = sizeof(data->rdh);
131 data->rdh.iType = RDH_RECTANGLES;
132 data->rdh.nCount = reply_size / sizeof(RECT);
133 data->rdh.nRgnSize = reply_size;
134 win_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
135 }
136 }
137 else size = reply->total_size;
138 }
139 SERVER_END_REQ;
140 HeapFree( GetProcessHeap(), 0, data );
141 } while (status == STATUS_BUFFER_OVERFLOW);
142
143 if (status) SetLastError( RtlNtStatusToDosError(status) );
144 else if (win_rgn)
145 {
146 nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
147 DeleteObject( win_rgn );
148 }
149 return nRet;
150 }
151
152 /***********************************************************************
153 * GetWindowRgnBox (USER32.@)
154 */
155 int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect )
156 {
157 int ret = ERROR;
158 HRGN hrgn;
159
160 if (!prect)
161 return ERROR;
162
163 if ((hrgn = CreateRectRgn(0, 0, 0, 0)))
164 {
165 if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR )
166 ret = GetRgnBox( hrgn, prect );
167 DeleteObject(hrgn);
168 }
169
170 return ret;
171 }
172
173 /***********************************************************************
174 * SetWindowRgn (USER32.@)
175 */
176 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
177 {
178 static const RECT empty_rect;
179 BOOL ret;
180
181 if (hrgn)
182 {
183 RGNDATA *data;
184 DWORD size;
185
186 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
187 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
188 if (!GetRegionData( hrgn, size, data ))
189 {
190 HeapFree( GetProcessHeap(), 0, data );
191 return FALSE;
192 }
193 SERVER_START_REQ( set_window_region )
194 {
195 req->window = wine_server_user_handle( hwnd );
196 req->redraw = (bRedraw != 0);
197 if (data->rdh.nCount)
198 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
199 else
200 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
201 ret = !wine_server_call_err( req );
202 }
203 SERVER_END_REQ;
204 HeapFree( GetProcessHeap(), 0, data );
205 }
206 else /* clear existing region */
207 {
208 SERVER_START_REQ( set_window_region )
209 {
210 req->window = wine_server_user_handle( hwnd );
211 req->redraw = (bRedraw != 0);
212 ret = !wine_server_call_err( req );
213 }
214 SERVER_END_REQ;
215 }
216
217 if (ret)
218 {
219 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
220 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
221 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
222 USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
223 if (hrgn) DeleteObject( hrgn );
224 }
225 return ret;
226 }
227
228
229 /***********************************************************************
230 * GetClientRect (USER32.@)
231 */
232 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
233 {
234 return WIN_GetRectangles( hwnd, COORDS_CLIENT, NULL, rect );
235 }
236
237
238 /***********************************************************************
239 * list_children_from_point
240 *
241 * Get the list of children that can contain point from the server.
242 * Point is in screen coordinates.
243 * Returned list must be freed by caller.
244 */
245 static HWND *list_children_from_point( HWND hwnd, POINT pt )
246 {
247 HWND *list;
248 int i, size = 128;
249
250 for (;;)
251 {
252 int count = 0;
253
254 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
255
256 SERVER_START_REQ( get_window_children_from_point )
257 {
258 req->parent = wine_server_user_handle( hwnd );
259 req->x = pt.x;
260 req->y = pt.y;
261 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
262 if (!wine_server_call( req )) count = reply->count;
263 }
264 SERVER_END_REQ;
265 if (count && count < size)
266 {
267 /* start from the end since HWND is potentially larger than user_handle_t */
268 for (i = count - 1; i >= 0; i--)
269 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
270 list[count] = 0;
271 return list;
272 }
273 HeapFree( GetProcessHeap(), 0, list );
274 if (!count) break;
275 size = count + 1; /* restart with a large enough buffer */
276 }
277 return NULL;
278 }
279
280
281 /***********************************************************************
282 * WINPOS_WindowFromPoint
283 *
284 * Find the window and hittest for a given point.
285 */
286 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
287 {
288 int i, res;
289 HWND ret, *list;
290
291 if (!hwndScope) hwndScope = GetDesktopWindow();
292
293 *hittest = HTNOWHERE;
294
295 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
296
297 /* now determine the hittest */
298
299 for (i = 0; list[i]; i++)
300 {
301 LONG style = GetWindowLongW( list[i], GWL_STYLE );
302
303 /* If window is minimized or disabled, return at once */
304 if (style & WS_MINIMIZE)
305 {
306 *hittest = HTCAPTION;
307 break;
308 }
309 if (style & WS_DISABLED)
310 {
311 *hittest = HTERROR;
312 break;
313 }
314 /* Send WM_NCCHITTEST (if same thread) */
315 if (!WIN_IsCurrentThread( list[i] ))
316 {
317 *hittest = HTCLIENT;
318 break;
319 }
320 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
321 if (res != HTTRANSPARENT)
322 {
323 *hittest = res; /* Found the window */
324 break;
325 }
326 /* continue search with next window in z-order */
327 }
328 ret = list[i];
329 HeapFree( GetProcessHeap(), 0, list );
330 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
331 return ret;
332 }
333
334
335 /*******************************************************************
336 * WindowFromPoint (USER32.@)
337 */
338 HWND WINAPI WindowFromPoint( POINT pt )
339 {
340 INT hittest;
341 return WINPOS_WindowFromPoint( 0, pt, &hittest );
342 }
343
344
345 /*******************************************************************
346 * ChildWindowFromPoint (USER32.@)
347 */
348 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
349 {
350 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
351 }
352
353 /*******************************************************************
354 * RealChildWindowFromPoint (USER32.@)
355 */
356 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
357 {
358 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT | CWP_SKIPINVISIBLE );
359 }
360
361 /*******************************************************************
362 * ChildWindowFromPointEx (USER32.@)
363 */
364 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
365 {
366 /* pt is in the client coordinates */
367 HWND *list;
368 int i;
369 RECT rect;
370 HWND retvalue;
371
372 GetClientRect( hwndParent, &rect );
373 if (!PtInRect( &rect, pt )) return 0;
374 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
375
376 for (i = 0; list[i]; i++)
377 {
378 if (!WIN_GetRectangles( list[i], COORDS_PARENT, &rect, NULL )) continue;
379 if (!PtInRect( &rect, pt )) continue;
380 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
381 {
382 LONG style = GetWindowLongW( list[i], GWL_STYLE );
383 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
384 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
385 }
386 if (uFlags & CWP_SKIPTRANSPARENT)
387 {
388 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
389 }
390 break;
391 }
392 retvalue = list[i];
393 HeapFree( GetProcessHeap(), 0, list );
394 if (!retvalue) retvalue = hwndParent;
395 return retvalue;
396 }
397
398
399 /*******************************************************************
400 * WINPOS_GetWinOffset
401 *
402 * Calculate the offset between the origin of the two windows. Used
403 * to implement MapWindowPoints.
404 */
405 static BOOL WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, BOOL *mirrored, POINT *ret_offset )
406 {
407 WND * wndPtr;
408 POINT offset;
409 BOOL mirror_from, mirror_to, ret;
410 HWND hwnd;
411
412 offset.x = offset.y = 0;
413 *mirrored = mirror_from = mirror_to = FALSE;
414
415 /* Translate source window origin to screen coords */
416 if (hwndFrom)
417 {
418 if (!(wndPtr = WIN_GetPtr( hwndFrom )))
419 {
420 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
421 return FALSE;
422 }
423 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
424 if (wndPtr != WND_DESKTOP)
425 {
426 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
427 {
428 mirror_from = TRUE;
429 offset.x += wndPtr->rectClient.right - wndPtr->rectClient.left;
430 }
431 while (wndPtr->parent)
432 {
433 offset.x += wndPtr->rectClient.left;
434 offset.y += wndPtr->rectClient.top;
435 hwnd = wndPtr->parent;
436 WIN_ReleasePtr( wndPtr );
437 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
438 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
439 if (wndPtr == WND_DESKTOP) break;
440 if (wndPtr->flags & WIN_CHILDREN_MOVED)
441 {
442 WIN_ReleasePtr( wndPtr );
443 goto other_process;
444 }
445 }
446 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
447 }
448 }
449
450 /* Translate origin to destination window coords */
451 if (hwndTo)
452 {
453 if (!(wndPtr = WIN_GetPtr( hwndTo )))
454 {
455 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
456 return FALSE;
457 }
458 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
459 if (wndPtr != WND_DESKTOP)
460 {
461 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
462 {
463 mirror_to = TRUE;
464 offset.x -= wndPtr->rectClient.right - wndPtr->rectClient.left;
465 }
466 while (wndPtr->parent)
467 {
468 offset.x -= wndPtr->rectClient.left;
469 offset.y -= wndPtr->rectClient.top;
470 hwnd = wndPtr->parent;
471 WIN_ReleasePtr( wndPtr );
472 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
473 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
474 if (wndPtr == WND_DESKTOP) break;
475 if (wndPtr->flags & WIN_CHILDREN_MOVED)
476 {
477 WIN_ReleasePtr( wndPtr );
478 goto other_process;
479 }
480 }
481 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
482 }
483 }
484
485 *mirrored = mirror_from ^ mirror_to;
486 if (mirror_from) offset.x = -offset.x;
487 *ret_offset = offset;
488 return TRUE;
489
490 other_process: /* one of the parents may belong to another process, do it the hard way */
491 SERVER_START_REQ( get_windows_offset )
492 {
493 req->from = wine_server_user_handle( hwndFrom );
494 req->to = wine_server_user_handle( hwndTo );
495 if ((ret = !wine_server_call_err( req )))
496 {
497 ret_offset->x = reply->x;
498 ret_offset->y = reply->y;
499 *mirrored = reply->mirror;
500 }
501 }
502 SERVER_END_REQ;
503 return ret;
504 }
505
506 /* map coordinates of a window region */
507 void map_window_region( HWND from, HWND to, HRGN hrgn )
508 {
509 BOOL mirrored;
510 POINT offset;
511 UINT i, size;
512 RGNDATA *data;
513 HRGN new_rgn;
514 RECT *rect;
515
516 if (!WINPOS_GetWinOffset( from, to, &mirrored, &offset )) return;
517
518 if (!mirrored)
519 {
520 OffsetRgn( hrgn, offset.x, offset.y );
521 return;
522 }
523 if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
524 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
525 GetRegionData( hrgn, size, data );
526 rect = (RECT *)data->Buffer;
527 for (i = 0; i < data->rdh.nCount; i++)
528 {
529 int tmp = -(rect[i].left + offset.x);
530 rect[i].left = -(rect[i].right + offset.x);
531 rect[i].right = tmp;
532 rect[i].top += offset.y;
533 rect[i].bottom += offset.y;
534 }
535 if ((new_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data )))
536 {
537 CombineRgn( hrgn, new_rgn, 0, RGN_COPY );
538 DeleteObject( new_rgn );
539 }
540 HeapFree( GetProcessHeap(), 0, data );
541 }
542
543
544 /*******************************************************************
545 * MapWindowPoints (USER32.@)
546 */
547 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
548 {
549 BOOL mirrored;
550 POINT offset;
551 UINT i;
552
553 if (!WINPOS_GetWinOffset( hwndFrom, hwndTo, &mirrored, &offset )) return 0;
554
555 for (i = 0; i < count; i++)
556 {
557 lppt[i].x += offset.x;
558 lppt[i].y += offset.y;
559 if (mirrored) lppt[i].x = -lppt[i].x;
560 }
561 if (mirrored && count == 2) /* special case for rectangle */
562 {
563 int tmp = lppt[0].x;
564 lppt[0].x = lppt[1].x;
565 lppt[1].x = tmp;
566 }
567 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
568 }
569
570
571 /*******************************************************************
572 * ClientToScreen (USER32.@)
573 */
574 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
575 {
576 POINT offset;
577 BOOL mirrored;
578
579 if (!hwnd)
580 {
581 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
582 return FALSE;
583 }
584 if (!WINPOS_GetWinOffset( hwnd, 0, &mirrored, &offset )) return FALSE;
585 lppnt->x += offset.x;
586 lppnt->y += offset.y;
587 if (mirrored) lppnt->x = -lppnt->x;
588 return TRUE;
589 }
590
591
592 /*******************************************************************
593 * ScreenToClient (USER32.@)
594 */
595 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
596 {
597 POINT offset;
598 BOOL mirrored;
599
600 if (!hwnd)
601 {
602 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
603 return FALSE;
604 }
605 if (!WINPOS_GetWinOffset( 0, hwnd, &mirrored, &offset )) return FALSE;
606 lppnt->x += offset.x;
607 lppnt->y += offset.y;
608 if (mirrored) lppnt->x = -lppnt->x;
609 return TRUE;
610 }
611
612
613 /***********************************************************************
614 * IsIconic (USER32.@)
615 */
616 BOOL WINAPI IsIconic(HWND hWnd)
617 {
618 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
619 }
620
621
622 /***********************************************************************
623 * IsZoomed (USER32.@)
624 */
625 BOOL WINAPI IsZoomed(HWND hWnd)
626 {
627 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
628 }
629
630
631 /*******************************************************************
632 * AllowSetForegroundWindow (USER32.@)
633 */
634 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
635 {
636 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
637 * implemented, then fix this function. */
638 return TRUE;
639 }
640
641
642 /*******************************************************************
643 * LockSetForegroundWindow (USER32.@)
644 */
645 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
646 {
647 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
648 * implemented, then fix this function. */
649 return TRUE;
650 }
651
652
653 /***********************************************************************
654 * BringWindowToTop (USER32.@)
655 */
656 BOOL WINAPI BringWindowToTop( HWND hwnd )
657 {
658 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
659 }
660
661
662 /***********************************************************************
663 * MoveWindow (USER32.@)
664 */
665 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
666 BOOL repaint )
667 {
668 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
669 if (!repaint) flags |= SWP_NOREDRAW;
670 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
671 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
672 }
673
674
675 /***********************************************************************
676 * WINPOS_RedrawIconTitle
677 */
678 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
679 {
680 HWND icon_title = 0;
681 WND *win = WIN_GetPtr( hWnd );
682
683 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
684 {
685 icon_title = win->icon_title;
686 WIN_ReleasePtr( win );
687 }
688 if (!icon_title) return FALSE;
689 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
690 InvalidateRect( icon_title, NULL, TRUE );
691 return TRUE;
692 }
693
694 /***********************************************************************
695 * WINPOS_ShowIconTitle
696 */
697 static void WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
698 {
699 WND *win = WIN_GetPtr( hwnd );
700 HWND title = 0;
701
702 TRACE("%p %i\n", hwnd, (bShow != 0) );
703
704 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return;
705 if (win->rectWindow.left == -32000 || win->rectWindow.top == -32000)
706 {
707 TRACE( "not showing title for hidden icon %p\n", hwnd );
708 bShow = FALSE;
709 }
710 else title = win->icon_title;
711 WIN_ReleasePtr( win );
712
713 if (bShow)
714 {
715 if (!title)
716 {
717 title = ICONTITLE_Create( hwnd );
718 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
719 {
720 DestroyWindow( title );
721 return;
722 }
723 win->icon_title = title;
724 WIN_ReleasePtr( win );
725 }
726 if (!IsWindowVisible(title))
727 {
728 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
729 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
730 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
731 }
732 }
733 else if (title) ShowWindow( title, SW_HIDE );
734 }
735
736 /*******************************************************************
737 * WINPOS_GetMinMaxInfo
738 *
739 * Get the minimized and maximized information for a window.
740 */
741 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
742 POINT *minTrack, POINT *maxTrack )
743 {
744 MINMAXINFO MinMax;
745 HMONITOR monitor;
746 INT xinc, yinc;
747 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
748 LONG adjustedStyle;
749 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
750 RECT rc;
751 WND *win;
752
753 /* Compute default values */
754
755 GetWindowRect(hwnd, &rc);
756 MinMax.ptReserved.x = rc.left;
757 MinMax.ptReserved.y = rc.top;
758
759 if ((style & WS_CAPTION) == WS_CAPTION)
760 adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
761 else
762 adjustedStyle = style;
763
764 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
765 AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
766
767 xinc = -rc.left;
768 yinc = -rc.top;
769
770 MinMax.ptMaxSize.x = rc.right - rc.left;
771 MinMax.ptMaxSize.y = rc.bottom - rc.top;
772 if (style & (WS_DLGFRAME | WS_BORDER))
773 {
774 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
775 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
776 }
777 else
778 {
779 MinMax.ptMinTrackSize.x = 2 * xinc;
780 MinMax.ptMinTrackSize.y = 2 * yinc;
781 }
782 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
783 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
784 MinMax.ptMaxPosition.x = -xinc;
785 MinMax.ptMaxPosition.y = -yinc;
786
787 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
788 {
789 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
790 WIN_ReleasePtr( win );
791 }
792
793 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
794
795 /* if the app didn't change the values, adapt them for the current monitor */
796
797 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
798 {
799 RECT rc_work;
800 MONITORINFO mon_info;
801
802 mon_info.cbSize = sizeof(mon_info);
803 GetMonitorInfoW( monitor, &mon_info );
804
805 rc_work = mon_info.rcMonitor;
806
807 if (style & WS_MAXIMIZEBOX)
808 {
809 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
810 rc_work = mon_info.rcWork;
811 }
812
813 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
814 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
815 {
816 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
817 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
818 }
819 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
820 {
821 MinMax.ptMaxPosition.x = rc_work.left - xinc;
822 MinMax.ptMaxPosition.y = rc_work.top - yinc;
823 }
824 }
825
826 /* Some sanity checks */
827
828 TRACE("%d %d / %d %d / %d %d / %d %d\n",
829 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
830 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
831 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
832 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
833 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
834 MinMax.ptMinTrackSize.x );
835 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
836 MinMax.ptMinTrackSize.y );
837
838 if (maxSize) *maxSize = MinMax.ptMaxSize;
839 if (maxPos) *maxPos = MinMax.ptMaxPosition;
840 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
841 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
842 }
843
844
845 /***********************************************************************
846 * WINPOS_FindIconPos
847 *
848 * Find a suitable place for an iconic window.
849 */
850 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
851 {
852 RECT rect, rectParent;
853 HWND parent, child;
854 HRGN hrgn, tmp;
855 int xspacing, yspacing;
856
857 parent = GetAncestor( hwnd, GA_PARENT );
858 GetClientRect( parent, &rectParent );
859 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
860 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
861 return pt; /* The icon already has a suitable position */
862
863 xspacing = GetSystemMetrics(SM_CXICONSPACING);
864 yspacing = GetSystemMetrics(SM_CYICONSPACING);
865
866 /* Check if another icon already occupies this spot */
867 /* FIXME: this is completely inefficient */
868
869 hrgn = CreateRectRgn( 0, 0, 0, 0 );
870 tmp = CreateRectRgn( 0, 0, 0, 0 );
871 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
872 {
873 if (child == hwnd) continue;
874 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
875 continue;
876 if (WIN_GetRectangles( child, COORDS_PARENT, &rect, NULL ))
877 {
878 SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
879 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
880 }
881 }
882 DeleteObject( tmp );
883
884 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
885 {
886 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
887 {
888 rect.right = rect.left + xspacing;
889 rect.top = rect.bottom - yspacing;
890 if (!RectInRegion( hrgn, &rect ))
891 {
892 /* No window was found, so it's OK for us */
893 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
894 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
895 DeleteObject( hrgn );
896 return pt;
897 }
898 }
899 }
900 DeleteObject( hrgn );
901 pt.x = pt.y = 0;
902 return pt;
903 }
904
905
906 /***********************************************************************
907 * WINPOS_MinMaximize
908 */
909 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
910 {
911 WND *wndPtr;
912 UINT swpFlags = 0;
913 POINT size;
914 LONG old_style;
915 WINDOWPLACEMENT wpl;
916
917 TRACE("%p %u\n", hwnd, cmd );
918
919 wpl.length = sizeof(wpl);
920 GetWindowPlacement( hwnd, &wpl );
921
922 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
923 return SWP_NOSIZE | SWP_NOMOVE;
924
925 if (IsIconic( hwnd ))
926 {
927 switch (cmd)
928 {
929 case SW_SHOWMINNOACTIVE:
930 case SW_SHOWMINIMIZED:
931 case SW_FORCEMINIMIZE:
932 case SW_MINIMIZE:
933 return SWP_NOSIZE | SWP_NOMOVE;
934 }
935 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
936 swpFlags |= SWP_NOCOPYBITS;
937 }
938
939 switch( cmd )
940 {
941 case SW_SHOWMINNOACTIVE:
942 case SW_SHOWMINIMIZED:
943 case SW_FORCEMINIMIZE:
944 case SW_MINIMIZE:
945 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
946 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
947 else wndPtr->flags &= ~WIN_RESTORE_MAX;
948 WIN_ReleasePtr( wndPtr );
949
950 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
951
952 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
953
954 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
955 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
956 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
957 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
958 swpFlags |= SWP_NOCOPYBITS;
959 break;
960
961 case SW_MAXIMIZE:
962 old_style = GetWindowLongW( hwnd, GWL_STYLE );
963 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
964
965 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
966
967 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
968 if (old_style & WS_MINIMIZE)
969 {
970 if ((wndPtr = WIN_GetPtr( hwnd )) && wndPtr != WND_OTHER_PROCESS)
971 {
972 wndPtr->flags |= WIN_RESTORE_MAX;
973 WIN_ReleasePtr( wndPtr );
974 }
975 WINPOS_ShowIconTitle( hwnd, FALSE );
976 }
977
978 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
979 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
980 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
981 break;
982
983 case SW_SHOWNOACTIVATE:
984 if ((wndPtr = WIN_GetPtr( hwnd )) && wndPtr != WND_OTHER_PROCESS)
985 {
986 wndPtr->flags &= ~WIN_RESTORE_MAX;
987 WIN_ReleasePtr( wndPtr );
988 }
989 /* fall through */
990 case SW_SHOWNORMAL:
991 case SW_RESTORE:
992 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
993 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
994 if (old_style & WS_MINIMIZE)
995 {
996 BOOL restore_max;
997
998 WINPOS_ShowIconTitle( hwnd, FALSE );
999
1000 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1001 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
1002 WIN_ReleasePtr( wndPtr );
1003 if (restore_max)
1004 {
1005 /* Restore to maximized position */
1006 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
1007 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
1008 swpFlags |= SWP_STATECHANGED;
1009 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
1010 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
1011 break;
1012 }
1013 }
1014 else if (!(old_style & WS_MAXIMIZE)) break;
1015
1016 swpFlags |= SWP_STATECHANGED;
1017
1018 /* Restore to normal position */
1019
1020 *rect = wpl.rcNormalPosition;
1021 break;
1022 }
1023
1024 return swpFlags;
1025 }
1026
1027
1028 /***********************************************************************
1029 * show_window
1030 *
1031 * Implementation of ShowWindow and ShowWindowAsync.
1032 */
1033 static BOOL show_window( HWND hwnd, INT cmd )
1034 {
1035 WND *wndPtr;
1036 HWND parent;
1037 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1038 BOOL wasVisible = (style & WS_VISIBLE) != 0;
1039 BOOL showFlag = TRUE;
1040 RECT newPos = {0, 0, 0, 0};
1041 UINT swp = 0;
1042
1043 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
1044
1045 switch(cmd)
1046 {
1047 case SW_HIDE:
1048 if (!wasVisible) return FALSE;
1049 showFlag = FALSE;
1050 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1051 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1052 break;
1053
1054 case SW_SHOWMINNOACTIVE:
1055 case SW_MINIMIZE:
1056 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
1057 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1058 /* fall through */
1059 case SW_SHOWMINIMIZED:
1060 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
1061 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1062 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
1063 break;
1064
1065 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
1066 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1067 swp |= SWP_FRAMECHANGED;
1068 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1069 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1070 break;
1071
1072 case SW_SHOWNA:
1073 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1074 if (style & WS_CHILD) swp |= SWP_NOZORDER;
1075 break;
1076 case SW_SHOW:
1077 if (wasVisible) return TRUE;
1078 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1079 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1080 break;
1081
1082 case SW_SHOWNOACTIVATE:
1083 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1084 /* fall through */
1085 case SW_RESTORE:
1086 /* fall through */
1087 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1088 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1089 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1090 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1091 {
1092 swp |= SWP_FRAMECHANGED;
1093 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1094 }
1095 else
1096 {
1097 if (wasVisible) return TRUE;
1098 swp |= SWP_NOSIZE | SWP_NOMOVE;
1099 }
1100 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1101 break;
1102 default:
1103 return wasVisible;
1104 }
1105
1106 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1107 {
1108 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1109 if (!IsWindow( hwnd )) return wasVisible;
1110 }
1111
1112 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1113
1114 parent = GetAncestor( hwnd, GA_PARENT );
1115 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1116 {
1117 /* if parent is not visible simply toggle WS_VISIBLE and return */
1118 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1119 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1120 }
1121 else
1122 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1123 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1124
1125 if (cmd == SW_HIDE)
1126 {
1127 HWND hFocus;
1128
1129 WINPOS_ShowIconTitle( hwnd, FALSE );
1130
1131 /* FIXME: This will cause the window to be activated irrespective
1132 * of whether it is owned by the same thread. Has to be done
1133 * asynchronously.
1134 */
1135
1136 if (hwnd == GetActiveWindow())
1137 WINPOS_ActivateOtherWindow(hwnd);
1138
1139 /* Revert focus to parent */
1140 hFocus = GetFocus();
1141 if (hwnd == hFocus)
1142 {
1143 HWND parent = GetAncestor(hwnd, GA_PARENT);
1144 if (parent == GetDesktopWindow()) parent = 0;
1145 SetFocus(parent);
1146 }
1147 return wasVisible;
1148 }
1149
1150 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1151
1152 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1153
1154 if (wndPtr->flags & WIN_NEED_SIZE)
1155 {
1156 /* should happen only in CreateWindowEx() */
1157 int wParam = SIZE_RESTORED;
1158 RECT client;
1159 LPARAM lparam;
1160
1161 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &client );
1162 lparam = MAKELONG( client.right - client.left, client.bottom - client.top );
1163 wndPtr->flags &= ~WIN_NEED_SIZE;
1164 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1165 else if (wndPtr->dwStyle & WS_MINIMIZE)
1166 {
1167 wParam = SIZE_MINIMIZED;
1168 lparam = 0;
1169 }
1170 WIN_ReleasePtr( wndPtr );
1171
1172 SendMessageW( hwnd, WM_SIZE, wParam, lparam );
1173 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1174 }
1175 else WIN_ReleasePtr( wndPtr );
1176
1177 /* if previous state was minimized Windows sets focus to the window */
1178 if (style & WS_MINIMIZE) SetFocus( hwnd );
1179
1180 return wasVisible;
1181 }
1182
1183
1184 /***********************************************************************
1185 * ShowWindowAsync (USER32.@)
1186 *
1187 * doesn't wait; returns immediately.
1188 * used by threads to toggle windows in other (possibly hanging) threads
1189 */
1190 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1191 {
1192 HWND full_handle;
1193
1194 if (is_broadcast(hwnd))
1195 {
1196 SetLastError( ERROR_INVALID_PARAMETER );
1197 return FALSE;
1198 }
1199
1200 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1201 return show_window( full_handle, cmd );
1202
1203 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1204 }
1205
1206
1207 /***********************************************************************
1208 * ShowWindow (USER32.@)
1209 */
1210 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1211 {
1212 HWND full_handle;
1213
1214 if (is_broadcast(hwnd))
1215 {
1216 SetLastError( ERROR_INVALID_PARAMETER );
1217 return FALSE;
1218 }
1219 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1220 return show_window( full_handle, cmd );
1221
1222 if ((cmd == SW_HIDE) && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
1223 return FALSE;
1224
1225 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1226 }
1227
1228
1229 /***********************************************************************
1230 * GetInternalWindowPos (USER32.@)
1231 */
1232 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1233 LPPOINT ptIcon )
1234 {
1235 WINDOWPLACEMENT wndpl;
1236 if (GetWindowPlacement( hwnd, &wndpl ))
1237 {
1238 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1239 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1240 return wndpl.showCmd;
1241 }
1242 return 0;
1243 }
1244
1245
1246 /***********************************************************************
1247 * GetWindowPlacement (USER32.@)
1248 *
1249 * Win95:
1250 * Fails if wndpl->length of Win95 (!) apps is invalid.
1251 */
1252 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1253 {
1254 WND *pWnd = WIN_GetPtr( hwnd );
1255
1256 if (!pWnd) return FALSE;
1257
1258 if (pWnd == WND_DESKTOP)
1259 {
1260 wndpl->length = sizeof(*wndpl);
1261 wndpl->showCmd = SW_SHOWNORMAL;
1262 wndpl->flags = 0;
1263 wndpl->ptMinPosition.x = -1;
1264 wndpl->ptMinPosition.y = -1;
1265 wndpl->ptMaxPosition.x = -1;
1266 wndpl->ptMaxPosition.y = -1;
1267 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1268 return TRUE;
1269 }
1270 if (pWnd == WND_OTHER_PROCESS)
1271 {
1272 if (!IsWindow( hwnd )) return FALSE;
1273 FIXME( "not supported on other process window %p\n", hwnd );
1274 /* provide some dummy information */
1275 wndpl->length = sizeof(*wndpl);
1276 wndpl->showCmd = SW_SHOWNORMAL;
1277 wndpl->flags = 0;
1278 wndpl->ptMinPosition.x = -1;
1279 wndpl->ptMinPosition.y = -1;
1280 wndpl->ptMaxPosition.x = -1;
1281 wndpl->ptMaxPosition.y = -1;
1282 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1283 return TRUE;
1284 }
1285
1286 /* update the placement according to the current style */
1287 if (pWnd->dwStyle & WS_MINIMIZE)
1288 {
1289 pWnd->min_pos.x = pWnd->rectWindow.left;
1290 pWnd->min_pos.y = pWnd->rectWindow.top;
1291 }
1292 else if (pWnd->dwStyle & WS_MAXIMIZE)
1293 {
1294 pWnd->max_pos.x = pWnd->rectWindow.left;
1295 pWnd->max_pos.y = pWnd->rectWindow.top;
1296 }
1297 else
1298 {
1299 pWnd->normal_rect = pWnd->rectWindow;
1300 }
1301
1302 wndpl->length = sizeof(*wndpl);
1303 if( pWnd->dwStyle & WS_MINIMIZE )
1304 wndpl->showCmd = SW_SHOWMINIMIZED;
1305 else
1306 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1307 if( pWnd->flags & WIN_RESTORE_MAX )
1308 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1309 else
1310 wndpl->flags = 0;
1311 wndpl->ptMinPosition = pWnd->min_pos;
1312 wndpl->ptMaxPosition = pWnd->max_pos;
1313 wndpl->rcNormalPosition = pWnd->normal_rect;
1314 WIN_ReleasePtr( pWnd );
1315
1316 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1317 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1318 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1319 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1320 return TRUE;
1321 }
1322
1323 /* make sure the specified rect is visible on screen */
1324 static void make_rect_onscreen( RECT *rect )
1325 {
1326 MONITORINFO info;
1327 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1328
1329 info.cbSize = sizeof(info);
1330 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1331 /* FIXME: map coordinates from rcWork to rcMonitor */
1332 if (rect->right <= info.rcWork.left)
1333 {
1334 rect->right += info.rcWork.left - rect->left;
1335 rect->left = info.rcWork.left;
1336 }
1337 else if (rect->left >= info.rcWork.right)
1338 {
1339 rect->left += info.rcWork.right - rect->right;
1340 rect->right = info.rcWork.right;
1341 }
1342 if (rect->bottom <= info.rcWork.top)
1343 {
1344 rect->bottom += info.rcWork.top - rect->top;
1345 rect->top = info.rcWork.top;
1346 }
1347 else if (rect->top >= info.rcWork.bottom)
1348 {
1349 rect->top += info.rcWork.bottom - rect->bottom;
1350 rect->bottom = info.rcWork.bottom;
1351 }
1352 }
1353
1354 /* make sure the specified point is visible on screen */
1355 static void make_point_onscreen( POINT *pt )
1356 {
1357 RECT rect;
1358
1359 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1360 make_rect_onscreen( &rect );
1361 pt->x = rect.left;
1362 pt->y = rect.top;
1363 }
1364
1365
1366 /***********************************************************************
1367 * WINPOS_SetPlacement
1368 */
1369 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1370 {
1371 DWORD style;
1372 WND *pWnd = WIN_GetPtr( hwnd );
1373 WINDOWPLACEMENT wp = *wndpl;
1374
1375 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1376 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1377 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1378
1379 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1380 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1381 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1382 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1383 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1384 wine_dbgstr_rect(&wp.rcNormalPosition) );
1385
1386 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1387
1388 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1389 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1390 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1391
1392 style = pWnd->dwStyle;
1393
1394 WIN_ReleasePtr( pWnd );
1395
1396 if( style & WS_MINIMIZE )
1397 {
1398 if (flags & PLACE_MIN)
1399 {
1400 WINPOS_ShowIconTitle( hwnd, FALSE );
1401 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1402 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1403 }
1404 }
1405 else if( style & WS_MAXIMIZE )
1406 {
1407 if (flags & PLACE_MAX)
1408 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1409 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1410 }
1411 else if( flags & PLACE_RECT )
1412 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1413 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1414 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1415 SWP_NOZORDER | SWP_NOACTIVATE );
1416
1417 ShowWindow( hwnd, wndpl->showCmd );
1418
1419 if (IsIconic( hwnd ))
1420 {
1421 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1422
1423 /* SDK: ...valid only the next time... */
1424 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1425 {
1426 pWnd = WIN_GetPtr( hwnd );
1427 if (pWnd && pWnd != WND_OTHER_PROCESS)
1428 {
1429 pWnd->flags |= WIN_RESTORE_MAX;
1430 WIN_ReleasePtr( pWnd );
1431 }
1432 }
1433 }
1434 return TRUE;
1435 }
1436
1437
1438 /***********************************************************************
1439 * SetWindowPlacement (USER32.@)
1440 *
1441 * Win95:
1442 * Fails if wndpl->length of Win95 (!) apps is invalid.
1443 */
1444 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1445 {
1446 UINT flags = PLACE_MAX | PLACE_RECT;
1447 if (!wpl) return FALSE;
1448 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1449 return WINPOS_SetPlacement( hwnd, wpl, flags );
1450 }
1451
1452
1453 /***********************************************************************
1454 * AnimateWindow (USER32.@)
1455 * Shows/Hides a window with an animation
1456 * NO ANIMATION YET
1457 */
1458 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1459 {
1460 FIXME("partial stub\n");
1461
1462 /* If trying to show/hide and it's already *
1463 * shown/hidden or invalid window, fail with *
1464 * invalid parameter */
1465 if(!IsWindow(hwnd) ||
1466 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1467 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1468 {
1469 SetLastError(ERROR_INVALID_PARAMETER);
1470 return FALSE;
1471 }
1472
1473 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1474
1475 return TRUE;
1476 }
1477
1478 /***********************************************************************
1479 * SetInternalWindowPos (USER32.@)
1480 */
1481 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1482 LPRECT rect, LPPOINT pt )
1483 {
1484 WINDOWPLACEMENT wndpl;
1485 UINT flags;
1486
1487 wndpl.length = sizeof(wndpl);
1488 wndpl.showCmd = showCmd;
1489 wndpl.flags = flags = 0;
1490
1491 if( pt )
1492 {
1493 flags |= PLACE_MIN;
1494 wndpl.flags |= WPF_SETMINPOSITION;
1495 wndpl.ptMinPosition = *pt;
1496 }
1497 if( rect )
1498 {
1499 flags |= PLACE_RECT;
1500 wndpl.rcNormalPosition = *rect;
1501 }
1502 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1503 }
1504
1505
1506 /*******************************************************************
1507 * can_activate_window
1508 *
1509 * Check if we can activate the specified window.
1510 */
1511 static BOOL can_activate_window( HWND hwnd )
1512 {
1513 LONG style;
1514
1515 if (!hwnd) return FALSE;
1516 style = GetWindowLongW( hwnd, GWL_STYLE );
1517 if (!(style & WS_VISIBLE)) return FALSE;
1518 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1519 return !(style & WS_DISABLED);
1520 }
1521
1522
1523 /*******************************************************************
1524 * WINPOS_ActivateOtherWindow
1525 *
1526 * Activates window other than pWnd.
1527 */
1528 void WINPOS_ActivateOtherWindow(HWND hwnd)
1529 {
1530 HWND hwndTo, fg;
1531
1532 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1533 {
1534 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1535 if (can_activate_window( hwndTo )) goto done;
1536 }
1537
1538 hwndTo = hwnd;
1539 for (;;)
1540 {
1541 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1542 if (can_activate_window( hwndTo )) goto done;
1543 }
1544
1545 hwndTo = GetTopWindow( 0 );
1546 for (;;)
1547 {
1548 if (hwndTo == hwnd)
1549 {
1550 hwndTo = 0;
1551 break;
1552 }
1553 if (can_activate_window( hwndTo )) goto done;
1554 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1555 }
1556
1557 done:
1558 fg = GetForegroundWindow();
1559 TRACE("win = %p fg = %p\n", hwndTo, fg);
1560 if (!fg || (hwnd == fg))
1561 {
1562 if (SetForegroundWindow( hwndTo )) return;
1563 }
1564 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1565 }
1566
1567
1568 /***********************************************************************
1569 * WINPOS_HandleWindowPosChanging
1570 *
1571 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1572 */
1573 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1574 {
1575 POINT minTrack, maxTrack;
1576 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1577
1578 if (winpos->flags & SWP_NOSIZE) return 0;
1579 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1580 {
1581 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1582 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1583 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1584 if (!(style & WS_MINIMIZE))
1585 {
1586 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1587 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1588 }
1589 }
1590 return 0;
1591 }
1592
1593
1594 /***********************************************************************
1595 * dump_winpos_flags
1596 */
1597 static void dump_winpos_flags(UINT flags)
1598 {
1599 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1600 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1601 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1602 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1603 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1604 TRACE("flags:");
1605 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1606 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1607 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1608 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1609 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1610 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1611 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1612 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1613 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1614 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1615 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1616 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1617 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1618 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1619 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1620 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1621
1622 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1623 TRACE("\n");
1624 }
1625
1626 /***********************************************************************
1627 * SWP_DoWinPosChanging
1628 */
1629 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1630 {
1631 WND *wndPtr;
1632 RECT window_rect, client_rect;
1633
1634 /* Send WM_WINDOWPOSCHANGING message */
1635
1636 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1637 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1638
1639 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1640 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1641
1642 /* Calculate new position and size */
1643
1644 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1645 *pNewWindowRect = window_rect;
1646 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? window_rect : client_rect;
1647
1648 if (!(pWinpos->flags & SWP_NOSIZE))
1649 {
1650 if (wndPtr->dwStyle & WS_MINIMIZE)
1651 {
1652 pNewWindowRect->right = pNewWindowRect->left + GetSystemMetrics(SM_CXICON);
1653 pNewWindowRect->bottom = pNewWindowRect->top + GetSystemMetrics(SM_CYICON);
1654 }
1655 else
1656 {
1657 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1658 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1659 }
1660 }
1661 if (!(pWinpos->flags & SWP_NOMOVE))
1662 {
1663 pNewWindowRect->left = pWinpos->x;
1664 pNewWindowRect->top = pWinpos->y;
1665 pNewWindowRect->right += pWinpos->x - window_rect.left;
1666 pNewWindowRect->bottom += pWinpos->y - window_rect.top;
1667
1668 OffsetRect( pNewClientRect, pWinpos->x - window_rect.left,
1669 pWinpos->y - window_rect.top );
1670 }
1671 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1672
1673 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1674 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1675 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1676 TRACE( "current %s style %08x new %s\n",
1677 wine_dbgstr_rect( &window_rect ), wndPtr->dwStyle,
1678 wine_dbgstr_rect( pNewWindowRect ));
1679
1680 WIN_ReleasePtr( wndPtr );
1681 return TRUE;
1682 }
1683
1684 /***********************************************************************
1685 * get_valid_rects
1686 *
1687 * Compute the valid rects from the old and new client rect and WVR_* flags.
1688 * Helper for WM_NCCALCSIZE handling.
1689 */
1690 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1691 RECT *valid )
1692 {
1693 int cx, cy;
1694
1695 if (flags & WVR_REDRAW)
1696 {
1697 SetRectEmpty( &valid[0] );
1698 SetRectEmpty( &valid[1] );
1699 return;
1700 }
1701
1702 if (flags & WVR_VALIDRECTS)
1703 {
1704 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1705 !IntersectRect( &valid[1], &valid[1], old_client ))
1706 {
1707 SetRectEmpty( &valid[0] );
1708 SetRectEmpty( &valid[1] );
1709 return;
1710 }
1711 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1712 }
1713 else
1714 {
1715 valid[0] = *new_client;
1716 valid[1] = *old_client;
1717 }
1718
1719 /* make sure the rectangles have the same size */
1720 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1721 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1722
1723 if (flags & WVR_ALIGNBOTTOM)
1724 {
1725 valid[0].top = valid[0].bottom - cy;
1726 valid[1].top = valid[1].bottom - cy;
1727 }
1728 else
1729 {
1730 valid[0].bottom = valid[0].top + cy;
1731 valid[1].bottom = valid[1].top + cy;
1732 }
1733 if (flags & WVR_ALIGNRIGHT)
1734 {
1735 valid[0].left = valid[0].right - cx;
1736 valid[1].left = valid[1].right - cx;
1737 }
1738 else
1739 {
1740 valid[0].right = valid[0].left + cx;
1741 valid[1].right = valid[1].left + cx;
1742 }
1743 }
1744
1745
1746 /***********************************************************************
1747 * SWP_DoOwnedPopups
1748 *
1749 * fix Z order taking into account owned popups -
1750 * basically we need to maintain them above the window that owns them
1751 *
1752 * FIXME: hide/show owned popups when owner visibility changes.
1753 */
1754 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1755 {
1756 HWND owner, *list = NULL;
1757 unsigned int i;
1758
1759 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1760
1761 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return hwndInsertAfter;
1762
1763 if ((owner = GetWindow( hwnd, GW_OWNER )))
1764 {
1765 /* make sure this popup stays above the owner */
1766
1767 if (hwndInsertAfter != HWND_TOPMOST)
1768 {
1769 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1770
1771 for (i = 0; list[i]; i++)
1772 {
1773 BOOL topmost = (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
1774
1775 if (list[i] == owner)
1776 {
1777 if (i > 0) hwndInsertAfter = list[i-1];
1778 else hwndInsertAfter = topmost ? HWND_TOPMOST : HWND_TOP;
1779 break;
1780 }
1781
1782 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1783 {
1784 if (!topmost) break;
1785 }
1786 else if (list[i] == hwndInsertAfter) break;
1787 }
1788 }
1789 }
1790
1791 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1792 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1793
1794 i = 0;
1795 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1796 {
1797 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1798 {
1799 /* skip all the topmost windows */
1800 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1801 }
1802 }
1803 else if (hwndInsertAfter != HWND_TOPMOST)
1804 {
1805 /* skip windows that are already placed correctly */
1806 for (i = 0; list[i]; i++)
1807 {
1808 if (list[i] == hwndInsertAfter) break;
1809 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1810 }
1811 }
1812
1813 for ( ; list[i]; i++)
1814 {
1815 if (list[i] == hwnd) break;
1816 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1817 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1818 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1819 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1820 hwndInsertAfter = list[i];
1821 }
1822
1823 done:
1824 HeapFree( GetProcessHeap(), 0, list );
1825 return hwndInsertAfter;
1826 }
1827
1828 /***********************************************************************
1829 * SWP_DoNCCalcSize
1830 */
1831 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1832 RECT *validRects )
1833 {
1834 UINT wvrFlags = 0;
1835 RECT window_rect, client_rect;
1836
1837 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1838
1839 /* Send WM_NCCALCSIZE message to get new client area */
1840 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1841 {
1842 NCCALCSIZE_PARAMS params;
1843 WINDOWPOS winposCopy;
1844
1845 params.rgrc[0] = *pNewWindowRect;
1846 params.rgrc[1] = window_rect;
1847 params.rgrc[2] = client_rect;
1848 params.lppos = &winposCopy;
1849 winposCopy = *pWinpos;
1850
1851 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1852
1853 *pNewClientRect = params.rgrc[0];
1854
1855 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1856 wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(&client_rect),
1857 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1858
1859 if( pNewClientRect->left != client_rect.left ||
1860 pNewClientRect->top != client_rect.top )
1861 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1862
1863 if( (pNewClientRect->right - pNewClientRect->left !=
1864 client_rect.right - client_rect.left))
1865 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1866 else
1867 wvrFlags &= ~WVR_HREDRAW;
1868
1869 if (pNewClientRect->bottom - pNewClientRect->top !=
1870 client_rect.bottom - client_rect.top)
1871 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1872 else
1873 wvrFlags &= ~WVR_VREDRAW;
1874
1875 validRects[0] = params.rgrc[1];
1876 validRects[1] = params.rgrc[2];
1877 }
1878 else
1879 {
1880 if (!(pWinpos->flags & SWP_NOMOVE) &&
1881 (pNewClientRect->left != client_rect.left ||
1882 pNewClientRect->top != client_rect.top))
1883 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1884 }
1885
1886 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1887 {
1888 SetRectEmpty( &validRects[0] );
1889 SetRectEmpty( &validRects[1] );
1890 }
1891 else get_valid_rects( &client_rect, pNewClientRect, wvrFlags, validRects );
1892
1893 return wvrFlags;
1894 }
1895
1896 /* fix redundant flags and values in the WINDOWPOS structure */
1897 static BOOL fixup_flags( WINDOWPOS *winpos )
1898 {
1899 HWND parent;
1900 RECT window_rect;
1901 POINT pt;
1902 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1903 BOOL ret = TRUE;
1904
1905 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1906 {
1907 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1908 return FALSE;
1909 }
1910 winpos->hwnd = wndPtr->obj.handle; /* make it a full handle */
1911
1912 /* Finally make sure that all coordinates are valid */
1913 if (winpos->x < -32768) winpos->x = -32768;
1914 else if (winpos->x > 32767) winpos->x = 32767;
1915 if (winpos->y < -32768) winpos->y = -32768;
1916 else if (winpos->y > 32767) winpos->y = 32767;
1917
1918 if (winpos->cx < 0) winpos->cx = 0;
1919 else if (winpos->cx > 32767) winpos->cx = 32767;
1920 if (winpos->cy < 0) winpos->cy = 0;
1921 else if (winpos->cy > 32767) winpos->cy = 32767;
1922
1923 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1924 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1925
1926 if (winpos->flags & SWP_HIDEWINDOW) wndPtr->flags |= WIN_HIDDEN;
1927 else if (winpos->flags & SWP_SHOWWINDOW) wndPtr->flags &= ~WIN_HIDDEN;
1928
1929 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1930 else
1931 {
1932 winpos->flags &= ~SWP_HIDEWINDOW;
1933 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1934 }
1935
1936 WIN_GetRectangles( winpos->hwnd, COORDS_SCREEN, &window_rect, NULL );
1937 if ((window_rect.right - window_rect.left == winpos->cx) &&
1938 (window_rect.bottom - window_rect.top == winpos->cy))
1939 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1940
1941 pt.x = winpos->x;
1942 pt.y = winpos->y;
1943 ClientToScreen( parent, &pt );
1944 if ((window_rect.left == pt.x) && (window_rect.top == pt.y))
1945 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1946
1947 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1948 {
1949 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1950 (winpos->flags & SWP_NOZORDER ||
1951 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1952 {
1953 winpos->flags &= ~SWP_NOZORDER;
1954 winpos->hwndInsertAfter = HWND_TOP;
1955 }
1956 }
1957
1958 /* Check hwndInsertAfter */
1959 if (winpos->flags & SWP_NOZORDER) goto done;
1960
1961 if (winpos->hwndInsertAfter == HWND_TOP)
1962 {
1963 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1964 winpos->flags |= SWP_NOZORDER;
1965 }
1966 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1967 {
1968 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1969 winpos->flags |= SWP_NOZORDER;
1970 }
1971 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1972 {
1973 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1974 winpos->flags |= SWP_NOZORDER;
1975 }
1976 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1977 {
1978 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1979 winpos->flags |= SWP_NOZORDER;
1980 }
1981 else
1982 {
1983 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1984 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1985 winpos->flags |= SWP_NOZORDER;
1986 }
1987 done:
1988 WIN_ReleasePtr( wndPtr );
1989 return ret;
1990 }
1991
1992
1993 /***********************************************************************
1994 * update_surface_region
1995 */
1996 static void update_surface_region( HWND hwnd )
1997 {
1998 NTSTATUS status;
1999 HRGN region = 0;
2000 RGNDATA *data;
2001 size_t size = 256;
2002 WND *win = WIN_GetPtr( hwnd );
2003
2004 if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
2005 if (!win->surface) goto done;
2006
2007 do
2008 {
2009 if (!(data = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( RGNDATA, Buffer[size] )))) goto done;
2010
2011 SERVER_START_REQ( get_surface_region )
2012 {
2013 req->window = wine_server_user_handle( hwnd );
2014 wine_server_set_reply( req, data->Buffer, size );
2015 if (!(status = wine_server_call( req )))
2016 {
2017 size_t reply_size = wine_server_reply_size( reply );
2018 if (reply_size)
2019 {
2020 data->rdh.dwSize = sizeof(data->rdh);
2021 data->rdh.iType = RDH_RECTANGLES;
2022 data->rdh.nCount = reply_size / sizeof(RECT);
2023 data->rdh.nRgnSize = reply_size;
2024 region = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
2025 OffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top );
2026 }
2027 }
2028 else size = reply->total_size;
2029 }
2030 SERVER_END_REQ;
2031 HeapFree( GetProcessHeap(), 0, data );
2032 } while (status == STATUS_BUFFER_OVERFLOW);
2033
2034 if (status) goto done;
2035
2036 win->surface->funcs->set_region( win->surface, region );
2037 if (region) DeleteObject( region );
2038
2039 done:
2040 WIN_ReleasePtr( win );
2041 }
2042
2043
2044 /***********************************************************************
2045 * set_window_pos
2046 *
2047 * Backend implementation of SetWindowPos.
2048 */
2049 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
2050 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
2051 {
2052 WND *win;
2053 HWND surface_win = 0, parent = GetAncestor( hwnd, GA_PARENT );
2054 BOOL ret;
2055 int old_width;
2056 RECT visible_rect, old_visible_rect, old_window_rect;
2057 struct window_surface *old_surface, *new_surface = NULL;
2058
2059 if (!parent || parent == GetDesktopWindow())
2060 {
2061 new_surface = &dummy_surface; /* provide a default surface for top-level windows */
2062 window_surface_add_ref( new_surface );
2063 }
2064 visible_rect = *window_rect;
2065 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
2066 window_rect, client_rect, &visible_rect, &new_surface );
2067
2068 WIN_GetRectangles( hwnd, COORDS_SCREEN, &old_window_rect, NULL );
2069
2070 if (!(win = WIN_GetPtr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS)
2071 {
2072 if (new_surface) window_surface_release( new_surface );
2073 return FALSE;
2074 }
2075 old_width = win->rectClient.right - win->rectClient.left;
2076 old_visible_rect = win->visible_rect;
2077 old_surface = win->surface;
2078 if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED; /* force refreshing non-client area */
2079
2080 SERVER_START_REQ( set_window_pos )
2081 {
2082 req->handle = wine_server_user_handle( hwnd );
2083 req->previous = wine_server_user_handle( insert_after );
2084 req->swp_flags = swp_flags;
2085 req->window.left = window_rect->left;
2086 req->window.top = window_rect->top;
2087 req->window.right = window_rect->right;
2088 req->window.bottom = window_rect->bottom;
2089 req->client.left = client_rect->left;
2090 req->client.top = client_rect->top;
2091 req->client.right = client_rect->right;
2092 req->client.bottom = client_rect->bottom;
2093 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
2094 {
2095 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
2096 if (!IsRectEmpty( &valid_rects[0] ))
2097 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
2098 }
2099 if (new_surface) req->paint_flags |= SET_WINPOS_PAINT_SURFACE;
2100 if (win->pixel_format) req->paint_flags |= SET_WINPOS_PIXEL_FORMAT;
2101
2102 if ((ret = !wine_server_call( req )))
2103 {
2104 win->dwStyle = reply->new_style;
2105 win->dwExStyle = reply->new_ex_style;
2106 win->rectWindow = *window_rect;
2107 win->rectClient = *client_rect;
2108 win->visible_rect = visible_rect;
2109 win->surface = new_surface;
2110 surface_win = wine_server_ptr_handle( reply->surface_win );
2111 if (GetWindowLongW( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
2112 {
2113 RECT client;
2114 GetClientRect( win->parent, &client );
2115 mirror_rect( &client, &win->rectWindow );
2116 mirror_rect( &client, &win->rectClient );
2117 mirror_rect( &client, &win->visible_rect );
2118 }
2119 /* if an RTL window is resized the children have moved */
2120 if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_width)
2121 win->flags |= WIN_CHILDREN_MOVED;
2122 }
2123 }
2124 SERVER_END_REQ;
2125
2126 if (ret)
2127 {
2128 if (surface_win) update_surface_region( surface_win );
2129 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
2130 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED | SWP_FRAMECHANGED)))
2131 invalidate_dce( win, &old_window_rect );
2132 }
2133
2134 WIN_ReleasePtr( win );
2135
2136 if (ret)
2137 {
2138 TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface );
2139 register_window_surface( old_surface, new_surface );
2140 if (old_surface)
2141 {
2142 if (!IsRectEmpty( valid_rects ))
2143 {
2144 move_window_bits( hwnd, old_surface, new_surface, &visible_rect,
2145 &old_visible_rect, client_rect, valid_rects );
2146 valid_rects = NULL; /* prevent the driver from trying to also move the bits */
2147 }
2148 window_surface_release( old_surface );
2149 }
2150 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
2151 client_rect, &visible_rect, valid_rects, new_surface );
2152 }
2153 else if (new_surface) window_surface_release( new_surface );
2154
2155 return ret;
2156 }
2157
2158
2159 /***********************************************************************
2160 * USER_SetWindowPos
2161 *
2162 * User32 internal function
2163 */
2164 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
2165 {
2166 RECT newWindowRect, newClientRect, valid_rects[2];
2167 UINT orig_flags;
2168
2169 orig_flags = winpos->flags;
2170
2171 /* First, check z-order arguments. */
2172 if (!(winpos->flags & SWP_NOZORDER))
2173 {
2174 /* fix sign extension */
2175 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
2176 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
2177
2178 if (!(winpos->hwndInsertAfter == HWND_TOP ||
2179 winpos->hwndInsertAfter == HWND_BOTTOM ||
2180 winpos->hwndInsertAfter == HWND_TOPMOST ||
2181 winpos->hwndInsertAfter == HWND_NOTOPMOST))
2182 {
2183 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2184 HWND insertafter_parent = GetAncestor( winpos->hwndInsertAfter, GA_PARENT );
2185
2186 /* hwndInsertAfter must be a sibling of the window */
2187 if (!insertafter_parent) return FALSE;
2188 if (insertafter_parent != parent) return TRUE;
2189 }
2190 }
2191
2192 /* Make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
2193 if (!(winpos->flags & SWP_NOMOVE))
2194 {
2195 if (winpos->x < -32768) winpos->x = -32768;
2196 else if (winpos->x > 32767) winpos->x = 32767;
2197 if (winpos->y < -32768) winpos->y = -32768;
2198 else if (winpos->y > 32767) winpos->y = 32767;
2199 }
2200 if (!(winpos->flags & SWP_NOSIZE))
2201 {
2202 if (winpos->cx < 0) winpos->cx = 0;
2203 else if (winpos->cx > 32767) winpos->cx = 32767;
2204 if (winpos->cy < 0) winpos->cy = 0;
2205 else if (winpos->cy > 32767) winpos->cy = 32767;
2206 }
2207
2208 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
2209
2210 /* Fix redundant flags */
2211 if (!fixup_flags( winpos )) return FALSE;
2212
2213 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
2214 {
2215 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
2216 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2217 }
2218
2219 /* Common operations */
2220
2221 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2222
2223 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2224 &newWindowRect, &newClientRect, valid_rects ))
2225 return FALSE;
2226
2227 /* erase parent when hiding or resizing child */
2228 if (!(orig_flags & SWP_DEFERERASE) &&
2229 ((orig_flags & SWP_HIDEWINDOW) ||
2230 (!(orig_flags & SWP_SHOWWINDOW) &&
2231 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
2232 {
2233 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2234 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2235 erase_now( parent, 0 );
2236 }
2237
2238 if( winpos->flags & SWP_HIDEWINDOW )
2239 HideCaret(winpos->hwnd);
2240 else if (winpos->flags & SWP_SHOWWINDOW)
2241 ShowCaret(winpos->hwnd);
2242
2243 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2244 {
2245 /* child windows get WM_CHILDACTIVATE message */
2246 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2247 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2248 else
2249 SetForegroundWindow( winpos->hwnd );
2250 }
2251
2252 /* And last, send the WM_WINDOWPOSCHANGED message */
2253
2254 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2255
2256 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2257 {
2258 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2259 and always contains final window position.
2260 */
2261 winpos->x = newWindowRect.left;
2262 winpos->y = newWindowRect.top;
2263 winpos->cx = newWindowRect.right - newWindowRect.left;
2264 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2265 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2266 }
2267 return TRUE;
2268 }
2269
2270 /***********************************************************************
2271 * SetWindowPos (USER32.@)
2272 */
2273 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2274 INT x, INT y, INT cx, INT cy, UINT flags )
2275 {
2276 WINDOWPOS winpos;
2277
2278 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2279 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2280 if(TRACE_ON(win)) dump_winpos_flags(flags);
2281
2282 if (is_broadcast(hwnd))
2283 {
2284 SetLastError( ERROR_INVALID_PARAMETER );
2285 return FALSE;
2286 }
2287
2288 winpos.hwnd = WIN_GetFullHandle(hwnd);
2289 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2290 winpos.x = x;
2291 winpos.y = y;
2292 winpos.cx = cx;
2293 winpos.cy = cy;
2294 winpos.flags = flags;
2295
2296 if (WIN_IsCurrentThread( hwnd ))
2297 return USER_SetWindowPos(&winpos);
2298
2299 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2300 }
2301
2302
2303 /***********************************************************************
2304 * BeginDeferWindowPos (USER32.@)
2305 */
2306 HDWP WINAPI BeginDeferWindowPos( INT count )
2307 {
2308 HDWP handle = 0;
2309 DWP *pDWP;
2310
2311 TRACE("%d\n", count);
2312
2313 if (count < 0)
2314 {
2315 SetLastError(ERROR_INVALID_PARAMETER);
2316 return 0;
2317 }
2318 /* Windows allows zero count, in which case it allocates context for 8 moves */
2319 if (count == 0) count = 8;
2320
2321 if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
2322
2323 pDWP->actualCount = 0;
2324 pDWP->suggestedCount = count;
2325 pDWP->hwndParent = 0;
2326
2327 if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
2328 !(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
2329 {
2330 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2331 HeapFree( GetProcessHeap(), 0, pDWP );
2332 }
2333
2334 TRACE("returning hdwp %p\n", handle);
2335 return handle;
2336 }
2337
2338
2339 /***********************************************************************
2340 * DeferWindowPos (USER32.@)
2341 */
2342 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2343 INT x, INT y, INT cx, INT cy,
2344 UINT flags )
2345 {
2346 DWP *pDWP;
2347 int i;
2348 HDWP retvalue = hdwp;
2349
2350 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2351 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2352
2353 hwnd = WIN_GetFullHandle( hwnd );
2354 if (is_desktop_window( hwnd )) return 0;
2355
2356 if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
2357 if (pDWP == OBJ_OTHER_PROCESS)
2358 {
2359 FIXME( "other process handle %p?\n", hdwp );
2360 return 0;
2361 }
2362
2363 for (i = 0; i < pDWP->actualCount; i++)
2364 {
2365 if (pDWP->winPos[i].hwnd == hwnd)
2366 {
2367 /* Merge with the other changes */
2368 if (!(flags & SWP_NOZORDER))
2369 {
2370 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2371 }
2372 if (!(flags & SWP_NOMOVE))
2373 {
2374 pDWP->winPos[i].x = x;
2375 pDWP->winPos[i].y = y;
2376 }
2377 if (!(flags & SWP_NOSIZE))
2378 {
2379 pDWP->winPos[i].cx = cx;
2380 pDWP->winPos[i].cy = cy;
2381 }
2382 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2383 SWP_NOZORDER | SWP_NOREDRAW |
2384 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2385 SWP_NOOWNERZORDER);
2386 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2387 SWP_FRAMECHANGED);
2388 goto END;
2389 }
2390 }
2391 if (pDWP->actualCount >= pDWP->suggestedCount)
2392 {
2393 WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
2394 pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
2395 if (!newpos)
2396 {
2397 retvalue = 0;
2398 goto END;
2399 }
2400 pDWP->suggestedCount *= 2;
2401 pDWP->winPos = newpos;
2402 }
2403 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2404 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2405 pDWP->winPos[pDWP->actualCount].x = x;
2406 pDWP->winPos[pDWP->actualCount].y = y;
2407 pDWP->winPos[pDWP->actualCount].cx = cx;
2408 pDWP->winPos[pDWP->actualCount].cy = cy;
2409 pDWP->winPos[pDWP->actualCount].flags = flags;
2410 pDWP->actualCount++;
2411 END:
2412 release_user_handle_ptr( pDWP );
2413 return retvalue;
2414 }
2415
2416
2417 /***********************************************************************
2418 * EndDeferWindowPos (USER32.@)
2419 */
2420 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2421 {
2422 DWP *pDWP;
2423 WINDOWPOS *winpos;
2424 BOOL res = TRUE;
2425 int i;
2426
2427 TRACE("%p\n", hdwp);
2428
2429 if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
2430 if (pDWP == OBJ_OTHER_PROCESS)
2431 {
2432 FIXME( "other process handle %p?\n", hdwp );
2433 return FALSE;
2434 }
2435
2436 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2437 {
2438 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2439 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2440 winpos->cx, winpos->cy, winpos->flags);
2441
2442 if (WIN_IsCurrentThread( winpos->hwnd ))
2443 res = USER_SetWindowPos( winpos );
2444 else
2445 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2446 }
2447 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2448 HeapFree( GetProcessHeap(), 0, pDWP );
2449 return res;
2450 }
2451
2452
2453 /***********************************************************************
2454 * ArrangeIconicWindows (USER32.@)
2455 */
2456 UINT WINAPI ArrangeIconicWindows( HWND parent )
2457 {
2458 RECT rectParent;
2459 HWND hwndChild;
2460 INT x, y, xspacing, yspacing;
2461
2462 GetClientRect( parent, &rectParent );
2463 x = rectParent.left;
2464 y = rectParent.bottom;
2465 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2466 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2467
2468 hwndChild = GetWindow( parent, GW_CHILD );
2469 while (hwndChild)
2470 {
2471 if( IsIconic( hwndChild ) )
2472 {
2473 WINPOS_ShowIconTitle( hwndChild, FALSE );
2474
2475 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2476 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2477 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2478 if( IsWindow(hwndChild) )
2479 WINPOS_ShowIconTitle(hwndChild , TRUE );
2480
2481 if (x <= rectParent.right - xspacing) x += xspacing;
2482 else
2483 {
2484 x = rectParent.left;
2485 y -= yspacing;
2486 }
2487 }
2488 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2489 }
2490 return yspacing;
2491 }
2492
2493
2494 /***********************************************************************
2495 * draw_moving_frame
2496 *
2497 * Draw the frame used when moving or resizing window.
2498 */
2499 static void draw_moving_frame( HWND parent, HDC hdc, RECT *screen_rect, BOOL thickframe )
2500 {
2501 RECT rect = *screen_rect;
2502
2503 if (parent) MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2504 if (thickframe)
2505 {
2506 const int width = GetSystemMetrics(SM_CXFRAME);
2507 const int height = GetSystemMetrics(SM_CYFRAME);
2508
2509 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2510 PatBlt( hdc, rect.left, rect.top,
2511 rect.right - rect.left - width, height, PATINVERT );
2512 PatBlt( hdc, rect.left, rect.top + height, width,
2513 rect.bottom - rect.top - height, PATINVERT );
2514 PatBlt( hdc, rect.left + width, rect.bottom - 1,
2515 rect.right - rect.left - width, -height, PATINVERT );
2516 PatBlt( hdc, rect.right - 1, rect.top, -width,
2517 rect.bottom - rect.top - height, PATINVERT );
2518 SelectObject( hdc, hbrush );
2519 }
2520 else DrawFocusRect( hdc, &rect );
2521 }
2522
2523
2524 /***********************************************************************
2525 * start_size_move
2526 *
2527 * Initialization of a move or resize, when initiated from a menu choice.
2528 * Return hit test code for caption or sizing border.
2529 */
2530 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2531 {
2532 LONG hittest = 0;
2533 POINT pt;
2534 MSG msg;
2535 RECT rectWindow;
2536
2537 GetWindowRect( hwnd, &rectWindow );
2538
2539 if ((wParam & 0xfff0) == SC_MOVE)
2540 {
2541 /* Move pointer at the center of the caption */
2542 RECT rect = rectWindow;
2543 /* Note: to be exactly centered we should take the different types
2544 * of border into account, but it shouldn't make more than a few pixels
2545 * of difference so let's not bother with that */
2546 rect.top += GetSystemMetrics(SM_CYBORDER);
2547 if (style & WS_SYSMENU)
2548 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2549 if (style & WS_MINIMIZEBOX)
2550 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2551 if (style & WS_MAXIMIZEBOX)
2552 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2553 pt.x = (rect.right + rect.left) / 2;
2554 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2555 hittest = HTCAPTION;
2556 *capturePoint = pt;
2557 }
2558 else /* SC_SIZE */
2559 {
2560 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2561 pt.x = pt.y = 0;
2562 while(!hittest)
2563 {
2564 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2565 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2566
2567 switch(msg.message)
2568 {
2569 case WM_MOUSEMOVE:
2570 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2571 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2572 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2573 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2574 break;
2575
2576 case WM_LBUTTONUP:
2577 return 0;
2578
2579 case WM_KEYDOWN:
2580 switch(msg.wParam)
2581 {
2582 case VK_UP:
2583 hittest = HTTOP;
2584 pt.x =(rectWindow.left+rectWindow.right)/2;
2585 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2586 break;
2587 case VK_DOWN:
2588 hittest = HTBOTTOM;
2589 pt.x =(rectWindow.left+rectWindow.right)/2;
2590 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2591 break;
2592 case VK_LEFT:
2593 hittest = HTLEFT;
2594 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2595 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2596 break;
2597 case VK_RIGHT:
2598 hittest = HTRIGHT;
2599 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2600 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2601 break;
2602 case VK_RETURN:
2603 case VK_ESCAPE:
2604 return 0;
2605 }
2606 break;
2607 default:
2608 TranslateMessage( &msg );
2609 DispatchMessageW( &msg );
2610 break;
2611 }
2612 }
2613 *capturePoint = pt;
2614 }
2615 SetCursorPos( pt.x, pt.y );
2616 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2617 return hittest;
2618 }
2619
2620
2621 /***********************************************************************
2622 * WINPOS_SysCommandSizeMove
2623 *
2624 * Perform SC_MOVE and SC_SIZE commands.
2625 */
2626 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2627 {
2628 MSG msg;
2629 RECT sizingRect, mouseRect, origRect;
2630 HDC hdc;
2631 HWND parent;
2632 LONG hittest = (LONG)(wParam & 0x0f);
2633 WPARAM syscommand = wParam & 0xfff0;
2634 HCURSOR hDragCursor = 0, hOldCursor = 0;
2635 POINT minTrack, maxTrack;
2636 POINT capturePoint, pt;
2637 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2638 BOOL thickframe = HAS_THICKFRAME( style );
2639 BOOL iconic = style & WS_MINIMIZE;
2640 BOOL moved = FALSE;
2641 DWORD dwPoint = GetMessagePos ();
2642 BOOL DragFullWindows = TRUE;
2643 HMONITOR mon = 0;
2644
2645 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2646
2647 pt.x = (short)LOWORD(dwPoint);
2648 pt.y = (short)HIWORD(dwPoint);
2649 capturePoint = pt;
2650 ClipCursor( NULL );
2651
2652 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2653 hwnd, syscommand, hittest, pt.x, pt.y);
2654
2655 if (syscommand == SC_MOVE)
2656 {
2657 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2658 if (!hittest) return;
2659 }
2660 else /* SC_SIZE */
2661 {
2662 if ( hittest && (syscommand != SC_MOUSEMENU) )
2663 hittest += (HTLEFT - WMSZ_LEFT);
2664 else
2665 {
2666 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2667 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2668 if (!hittest)
2669 {
2670 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2671 return;
2672 }
2673 }
2674 }
2675
2676 /* Get min/max info */
2677
2678 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2679 WIN_GetRectangles( hwnd, COORDS_PARENT, &sizingRect, NULL );
2680 origRect = sizingRect;
2681 if (style & WS_CHILD)
2682 {
2683 parent = GetParent(hwnd);
2684 GetClientRect( parent, &mouseRect );
2685 MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2686 MapWindowPoints( parent, 0, (LPPOINT)&sizingRect, 2 );
2687 }
2688 else
2689 {
2690 parent = 0;
2691 mouseRect = get_virtual_screen_rect();
2692 mon = MonitorFromPoint( pt, MONITOR_DEFAULTTONEAREST );
2693 }
2694
2695 if (ON_LEFT_BORDER(hittest))
2696 {
2697 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x+capturePoint.x-sizingRect.left );
2698 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x+capturePoint.x-sizingRect.left );
2699 }
2700 else if (ON_RIGHT_BORDER(hittest))
2701 {
2702 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x+capturePoint.x-sizingRect.right );
2703 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x+capturePoint.x-sizingRect.right );
2704 }
2705 if (ON_TOP_BORDER(hittest))
2706 {
2707 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y+capturePoint.y-sizingRect.top );
2708 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y+capturePoint.y-sizingRect.top);
2709 }
2710 else if (ON_BOTTOM_BORDER(hittest))
2711 {
2712 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y+capturePoint.y-sizingRect.bottom );
2713 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y+capturePoint.y-sizingRect.bottom );
2714 }
2715
2716 /* Retrieve a default cache DC (without using the window style) */
2717 hdc = GetDCEx( parent, 0, DCX_CACHE );
2718
2719 if( iconic ) /* create a cursor for dragging */
2720 {
2721 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2722 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2723 if( !hDragCursor ) iconic = FALSE;
2724 }
2725
2726 /* we only allow disabling the full window drag for child windows */
2727 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2728
2729 /* repaint the window before moving it around */
2730 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2731
2732 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2733 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2734
2735 while(1)
2736 {
2737 int dx = 0, dy = 0;
2738
2739 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2740 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2741
2742 /* Exit on button-up, Return, or Esc */
2743 if ((msg.message == WM_LBUTTONUP) ||
2744 ((msg.message == WM_KEYDOWN) &&
2745 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2746
2747 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2748 {
2749 TranslateMessage( &msg );
2750 DispatchMessageW( &msg );
2751 continue; /* We are not interested in other messages */
2752 }
2753
2754 pt = msg.pt;
2755
2756 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2757 {
2758 case VK_UP: pt.y -= 8; break;
2759 case VK_DOWN: pt.y += 8; break;
2760 case VK_LEFT: pt.x -= 8; break;
2761 case VK_RIGHT: pt.x += 8; break;
2762 }
2763
2764 pt.x = max( pt.x, mouseRect.left );
2765 pt.x = min( pt.x, mouseRect.right - 1 );
2766 pt.y = max( pt.y, mouseRect.top );
2767 pt.y = min( pt.y, mouseRect.bottom - 1 );
2768
2769 if (!parent)
2770 {
2771 HMONITOR newmon;
2772 MONITORINFO info;
2773
2774 if ((newmon = MonitorFromPoint( pt, MONITOR_DEFAULTTONULL )))
2775 mon = newmon;
2776
2777 info.cbSize = sizeof(info);
2778 if (mon && GetMonitorInfoW( mon, &info ))
2779 {
2780 pt.x = max( pt.x, info.rcWork.left );
2781 pt.x = min( pt.x, info.rcWork.right - 1 );
2782 pt.y = max( pt.y, info.rcWork.top );
2783 pt.y = min( pt.y, info.rcWork.bottom - 1 );
2784 }
2785 }
2786
2787 dx = pt.x - capturePoint.x;
2788 dy = pt.y - capturePoint.y;
2789
2790 if (dx || dy)
2791 {
2792 if( !moved )
2793 {
2794 moved = TRUE;
2795
2796 if( iconic ) /* ok, no system popup tracking */
2797 {
2798 hOldCursor = SetCursor(hDragCursor);
2799 ShowCursor( TRUE );
2800 WINPOS_ShowIconTitle( hwnd, FALSE );
2801 }
2802 else if(!DragFullWindows)
2803 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2804 }
2805
2806 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2807 else
2808 {
2809 if(!iconic && !DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2810 if (hittest == HTCAPTION) OffsetRect( &sizingRect, dx, dy );
2811 if (ON_LEFT_BORDER(hittest)) sizingRect.left += dx;
2812 else if (ON_RIGHT_BORDER(hittest)) sizingRect.right += dx;
2813 if (ON_TOP_BORDER(hittest)) sizingRect.top += dy;
2814 else if (ON_BOTTOM_BORDER(hittest)) sizingRect.bottom += dy;
2815 capturePoint = pt;
2816
2817 /* determine the hit location */
2818 if (syscommand == SC_SIZE)
2819 {
2820 WPARAM wpSizingHit = 0;
2821
2822 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2823 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2824 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&sizingRect );
2825 }
2826 else
2827 SendMessageW( hwnd, WM_MOVING, 0, (LPARAM)&sizingRect );
2828
2829 if (!iconic)
2830 {
2831 if(!DragFullWindows)
2832 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2833 else
2834 {
2835 RECT rect = sizingRect;
2836 MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2837 SetWindowPos( hwnd, 0, rect.left, rect.top,
2838 rect.right - rect.left, rect.bottom - rect.top,
2839 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2840 }
2841 }
2842 }
2843 }
2844 }
2845
2846 if( iconic )
2847 {
2848 if( moved ) /* restore cursors, show icon title later on */
2849 {
2850 ShowCursor( FALSE );
2851 SetCursor( hOldCursor );
2852 }
2853 }
2854 else if (moved && !DragFullWindows)
2855 {
2856 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2857 }
2858
2859 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2860 ReleaseDC( parent, hdc );
2861 if (parent) MapWindowPoints( 0, parent, (POINT *)&sizingRect, 2 );
2862
2863 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2864 moved = FALSE;
2865
2866 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2867 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2868
2869 /* window moved or resized */
2870 if (moved)
2871 {
2872 /* if the moving/resizing isn't canceled call SetWindowPos
2873 * with the new position or the new size of the window
2874 */
2875 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2876 {
2877 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2878 if(!DragFullWindows || iconic)
2879 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2880 sizingRect.right - sizingRect.left,
2881 sizingRect.bottom - sizingRect.top,
2882 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2883 }
2884 else
2885 { /* restore previous size/position */
2886 if(DragFullWindows)
2887 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2888 origRect.right - origRect.left,
2889 origRect.bottom - origRect.top,
2890 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2891 }
2892 }
2893
2894 if (IsIconic(hwnd))
2895 {
2896 /* Single click brings up the system menu when iconized */
2897
2898 if( !moved )
2899 {
2900 if(style & WS_SYSMENU )
2901 SendMessageW( hwnd, WM_SYSCOMMAND,
2902 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2903 }
2904 else WINPOS_ShowIconTitle( hwnd, TRUE );
2905 }
2906 }
Windows API implementation