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include: Define WINE_RB_ENTRY_VALUE using the standard offsetof.
[wine/multimedia.git] / dlls / user32 / winpos.c
blob308e7eae979618015b4782a3e119cd20f243509a
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, size, 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.nCount, 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 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1223 }
1224
1225
1226 /***********************************************************************
1227 * GetInternalWindowPos (USER32.@)
1228 */
1229 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1230 LPPOINT ptIcon )
1231 {
1232 WINDOWPLACEMENT wndpl;
1233 if (GetWindowPlacement( hwnd, &wndpl ))
1234 {
1235 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1236 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1237 return wndpl.showCmd;
1238 }
1239 return 0;
1240 }
1241
1242
1243 /***********************************************************************
1244 * GetWindowPlacement (USER32.@)
1245 *
1246 * Win95:
1247 * Fails if wndpl->length of Win95 (!) apps is invalid.
1248 */
1249 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1250 {
1251 WND *pWnd = WIN_GetPtr( hwnd );
1252
1253 if (!pWnd) return FALSE;
1254
1255 if (pWnd == WND_DESKTOP)
1256 {
1257 wndpl->length = sizeof(*wndpl);
1258 wndpl->showCmd = SW_SHOWNORMAL;
1259 wndpl->flags = 0;
1260 wndpl->ptMinPosition.x = -1;
1261 wndpl->ptMinPosition.y = -1;
1262 wndpl->ptMaxPosition.x = -1;
1263 wndpl->ptMaxPosition.y = -1;
1264 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1265 return TRUE;
1266 }
1267 if (pWnd == WND_OTHER_PROCESS)
1268 {
1269 if (!IsWindow( hwnd )) return FALSE;
1270 FIXME( "not supported on other process window %p\n", hwnd );
1271 /* provide some dummy information */
1272 wndpl->length = sizeof(*wndpl);
1273 wndpl->showCmd = SW_SHOWNORMAL;
1274 wndpl->flags = 0;
1275 wndpl->ptMinPosition.x = -1;
1276 wndpl->ptMinPosition.y = -1;
1277 wndpl->ptMaxPosition.x = -1;
1278 wndpl->ptMaxPosition.y = -1;
1279 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1280 return TRUE;
1281 }
1282
1283 /* update the placement according to the current style */
1284 if (pWnd->dwStyle & WS_MINIMIZE)
1285 {
1286 pWnd->min_pos.x = pWnd->rectWindow.left;
1287 pWnd->min_pos.y = pWnd->rectWindow.top;
1288 }
1289 else if (pWnd->dwStyle & WS_MAXIMIZE)
1290 {
1291 pWnd->max_pos.x = pWnd->rectWindow.left;
1292 pWnd->max_pos.y = pWnd->rectWindow.top;
1293 }
1294 else
1295 {
1296 pWnd->normal_rect = pWnd->rectWindow;
1297 }
1298
1299 wndpl->length = sizeof(*wndpl);
1300 if( pWnd->dwStyle & WS_MINIMIZE )
1301 wndpl->showCmd = SW_SHOWMINIMIZED;
1302 else
1303 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1304 if( pWnd->flags & WIN_RESTORE_MAX )
1305 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1306 else
1307 wndpl->flags = 0;
1308 wndpl->ptMinPosition = pWnd->min_pos;
1309 wndpl->ptMaxPosition = pWnd->max_pos;
1310 wndpl->rcNormalPosition = pWnd->normal_rect;
1311 WIN_ReleasePtr( pWnd );
1312
1313 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1314 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1315 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1316 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1317 return TRUE;
1318 }
1319
1320 /* make sure the specified rect is visible on screen */
1321 static void make_rect_onscreen( RECT *rect )
1322 {
1323 MONITORINFO info;
1324 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1325
1326 info.cbSize = sizeof(info);
1327 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1328 /* FIXME: map coordinates from rcWork to rcMonitor */
1329 if (rect->right <= info.rcWork.left)
1330 {
1331 rect->right += info.rcWork.left - rect->left;
1332 rect->left = info.rcWork.left;
1333 }
1334 else if (rect->left >= info.rcWork.right)
1335 {
1336 rect->left += info.rcWork.right - rect->right;
1337 rect->right = info.rcWork.right;
1338 }
1339 if (rect->bottom <= info.rcWork.top)
1340 {
1341 rect->bottom += info.rcWork.top - rect->top;
1342 rect->top = info.rcWork.top;
1343 }
1344 else if (rect->top >= info.rcWork.bottom)
1345 {
1346 rect->top += info.rcWork.bottom - rect->bottom;
1347 rect->bottom = info.rcWork.bottom;
1348 }
1349 }
1350
1351 /* make sure the specified point is visible on screen */
1352 static void make_point_onscreen( POINT *pt )
1353 {
1354 RECT rect;
1355
1356 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1357 make_rect_onscreen( &rect );
1358 pt->x = rect.left;
1359 pt->y = rect.top;
1360 }
1361
1362
1363 /***********************************************************************
1364 * WINPOS_SetPlacement
1365 */
1366 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1367 {
1368 DWORD style;
1369 WND *pWnd = WIN_GetPtr( hwnd );
1370 WINDOWPLACEMENT wp = *wndpl;
1371
1372 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1373 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1374 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1375
1376 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1377 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1378 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1379 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1380 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1381 wine_dbgstr_rect(&wp.rcNormalPosition) );
1382
1383 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1384
1385 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1386 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1387 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1388
1389 style = pWnd->dwStyle;
1390
1391 WIN_ReleasePtr( pWnd );
1392
1393 if( style & WS_MINIMIZE )
1394 {
1395 if (flags & PLACE_MIN)
1396 {
1397 WINPOS_ShowIconTitle( hwnd, FALSE );
1398 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1399 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1400 }
1401 }
1402 else if( style & WS_MAXIMIZE )
1403 {
1404 if (flags & PLACE_MAX)
1405 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1406 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1407 }
1408 else if( flags & PLACE_RECT )
1409 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1410 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1411 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1412 SWP_NOZORDER | SWP_NOACTIVATE );
1413
1414 ShowWindow( hwnd, wndpl->showCmd );
1415
1416 if (IsIconic( hwnd ))
1417 {
1418 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1419
1420 /* SDK: ...valid only the next time... */
1421 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1422 {
1423 pWnd = WIN_GetPtr( hwnd );
1424 if (pWnd && pWnd != WND_OTHER_PROCESS)
1425 {
1426 pWnd->flags |= WIN_RESTORE_MAX;
1427 WIN_ReleasePtr( pWnd );
1428 }
1429 }
1430 }
1431 return TRUE;
1432 }
1433
1434
1435 /***********************************************************************
1436 * SetWindowPlacement (USER32.@)
1437 *
1438 * Win95:
1439 * Fails if wndpl->length of Win95 (!) apps is invalid.
1440 */
1441 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1442 {
1443 UINT flags = PLACE_MAX | PLACE_RECT;
1444 if (!wpl) return FALSE;
1445 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1446 return WINPOS_SetPlacement( hwnd, wpl, flags );
1447 }
1448
1449
1450 /***********************************************************************
1451 * AnimateWindow (USER32.@)
1452 * Shows/Hides a window with an animation
1453 * NO ANIMATION YET
1454 */
1455 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1456 {
1457 FIXME("partial stub\n");
1458
1459 /* If trying to show/hide and it's already *
1460 * shown/hidden or invalid window, fail with *
1461 * invalid parameter */
1462 if(!IsWindow(hwnd) ||
1463 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1464 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1465 {
1466 SetLastError(ERROR_INVALID_PARAMETER);
1467 return FALSE;
1468 }
1469
1470 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1471
1472 return TRUE;
1473 }
1474
1475 /***********************************************************************
1476 * SetInternalWindowPos (USER32.@)
1477 */
1478 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1479 LPRECT rect, LPPOINT pt )
1480 {
1481 WINDOWPLACEMENT wndpl;
1482 UINT flags;
1483
1484 wndpl.length = sizeof(wndpl);
1485 wndpl.showCmd = showCmd;
1486 wndpl.flags = flags = 0;
1487
1488 if( pt )
1489 {
1490 flags |= PLACE_MIN;
1491 wndpl.flags |= WPF_SETMINPOSITION;
1492 wndpl.ptMinPosition = *pt;
1493 }
1494 if( rect )
1495 {
1496 flags |= PLACE_RECT;
1497 wndpl.rcNormalPosition = *rect;
1498 }
1499 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1500 }
1501
1502
1503 /*******************************************************************
1504 * can_activate_window
1505 *
1506 * Check if we can activate the specified window.
1507 */
1508 static BOOL can_activate_window( HWND hwnd )
1509 {
1510 LONG style;
1511
1512 if (!hwnd) return FALSE;
1513 style = GetWindowLongW( hwnd, GWL_STYLE );
1514 if (!(style & WS_VISIBLE)) return FALSE;
1515 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1516 return !(style & WS_DISABLED);
1517 }
1518
1519
1520 /*******************************************************************
1521 * WINPOS_ActivateOtherWindow
1522 *
1523 * Activates window other than pWnd.
1524 */
1525 void WINPOS_ActivateOtherWindow(HWND hwnd)
1526 {
1527 HWND hwndTo, fg;
1528
1529 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1530 {
1531 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1532 if (can_activate_window( hwndTo )) goto done;
1533 }
1534
1535 hwndTo = hwnd;
1536 for (;;)
1537 {
1538 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1539 if (can_activate_window( hwndTo )) break;
1540 }
1541
1542 done:
1543 fg = GetForegroundWindow();
1544 TRACE("win = %p fg = %p\n", hwndTo, fg);
1545 if (!fg || (hwnd == fg))
1546 {
1547 if (SetForegroundWindow( hwndTo )) return;
1548 }
1549 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1550 }
1551
1552
1553 /***********************************************************************
1554 * WINPOS_HandleWindowPosChanging
1555 *
1556 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1557 */
1558 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1559 {
1560 POINT minTrack, maxTrack;
1561 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1562
1563 if (winpos->flags & SWP_NOSIZE) return 0;
1564 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1565 {
1566 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1567 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1568 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1569 if (!(style & WS_MINIMIZE))
1570 {
1571 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1572 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1573 }
1574 }
1575 return 0;
1576 }
1577
1578
1579 /***********************************************************************
1580 * dump_winpos_flags
1581 */
1582 static void dump_winpos_flags(UINT flags)
1583 {
1584 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1585 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1586 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1587 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1588 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1589 TRACE("flags:");
1590 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1591 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1592 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1593 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1594 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1595 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1596 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1597 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1598 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1599 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1600 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1601 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1602 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1603 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1604 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1605 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1606
1607 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1608 TRACE("\n");
1609 }
1610
1611 /***********************************************************************
1612 * SWP_DoWinPosChanging
1613 */
1614 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1615 {
1616 WND *wndPtr;
1617 RECT window_rect, client_rect;
1618
1619 /* Send WM_WINDOWPOSCHANGING message */
1620
1621 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1622 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1623
1624 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1625 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1626
1627 /* Calculate new position and size */
1628
1629 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1630 *pNewWindowRect = window_rect;
1631 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? window_rect : client_rect;
1632
1633 if (!(pWinpos->flags & SWP_NOSIZE))
1634 {
1635 if (wndPtr->dwStyle & WS_MINIMIZE)
1636 {
1637 pNewWindowRect->right = pNewWindowRect->left + GetSystemMetrics(SM_CXICON);
1638 pNewWindowRect->bottom = pNewWindowRect->top + GetSystemMetrics(SM_CYICON);
1639 }
1640 else
1641 {
1642 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1643 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1644 }
1645 }
1646 if (!(pWinpos->flags & SWP_NOMOVE))
1647 {
1648 pNewWindowRect->left = pWinpos->x;
1649 pNewWindowRect->top = pWinpos->y;
1650 pNewWindowRect->right += pWinpos->x - window_rect.left;
1651 pNewWindowRect->bottom += pWinpos->y - window_rect.top;
1652
1653 OffsetRect( pNewClientRect, pWinpos->x - window_rect.left,
1654 pWinpos->y - window_rect.top );
1655 }
1656 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1657
1658 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1659 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1660 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1661 TRACE( "current %s style %08x new %s\n",
1662 wine_dbgstr_rect( &window_rect ), wndPtr->dwStyle,
1663 wine_dbgstr_rect( pNewWindowRect ));
1664
1665 WIN_ReleasePtr( wndPtr );
1666 return TRUE;
1667 }
1668
1669 /***********************************************************************
1670 * get_valid_rects
1671 *
1672 * Compute the valid rects from the old and new client rect and WVR_* flags.
1673 * Helper for WM_NCCALCSIZE handling.
1674 */
1675 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1676 RECT *valid )
1677 {
1678 int cx, cy;
1679
1680 if (flags & WVR_REDRAW)
1681 {
1682 SetRectEmpty( &valid[0] );
1683 SetRectEmpty( &valid[1] );
1684 return;
1685 }
1686
1687 if (flags & WVR_VALIDRECTS)
1688 {
1689 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1690 !IntersectRect( &valid[1], &valid[1], old_client ))
1691 {
1692 SetRectEmpty( &valid[0] );
1693 SetRectEmpty( &valid[1] );
1694 return;
1695 }
1696 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1697 }
1698 else
1699 {
1700 valid[0] = *new_client;
1701 valid[1] = *old_client;
1702 }
1703
1704 /* make sure the rectangles have the same size */
1705 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1706 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1707
1708 if (flags & WVR_ALIGNBOTTOM)
1709 {
1710 valid[0].top = valid[0].bottom - cy;
1711 valid[1].top = valid[1].bottom - cy;
1712 }
1713 else
1714 {
1715 valid[0].bottom = valid[0].top + cy;
1716 valid[1].bottom = valid[1].top + cy;
1717 }
1718 if (flags & WVR_ALIGNRIGHT)
1719 {
1720 valid[0].left = valid[0].right - cx;
1721 valid[1].left = valid[1].right - cx;
1722 }
1723 else
1724 {
1725 valid[0].right = valid[0].left + cx;
1726 valid[1].right = valid[1].left + cx;
1727 }
1728 }
1729
1730
1731 /***********************************************************************
1732 * SWP_DoOwnedPopups
1733 *
1734 * fix Z order taking into account owned popups -
1735 * basically we need to maintain them above the window that owns them
1736 *
1737 * FIXME: hide/show owned popups when owner visibility changes.
1738 */
1739 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1740 {
1741 HWND owner, *list = NULL;
1742 unsigned int i;
1743
1744 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1745
1746 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return hwndInsertAfter;
1747
1748 if ((owner = GetWindow( hwnd, GW_OWNER )))
1749 {
1750 /* make sure this popup stays above the owner */
1751
1752 if (hwndInsertAfter != HWND_TOPMOST)
1753 {
1754 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1755
1756 for (i = 0; list[i]; i++)
1757 {
1758 BOOL topmost = (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
1759
1760 if (list[i] == owner)
1761 {
1762 if (i > 0) hwndInsertAfter = list[i-1];
1763 else hwndInsertAfter = topmost ? HWND_TOPMOST : HWND_TOP;
1764 break;
1765 }
1766
1767 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1768 {
1769 if (!topmost) break;
1770 }
1771 else if (list[i] == hwndInsertAfter) break;
1772 }
1773 }
1774 }
1775
1776 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1777 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1778
1779 i = 0;
1780 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1781 {
1782 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1783 {
1784 /* skip all the topmost windows */
1785 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1786 }
1787 }
1788 else if (hwndInsertAfter != HWND_TOPMOST)
1789 {
1790 /* skip windows that are already placed correctly */
1791 for (i = 0; list[i]; i++)
1792 {
1793 if (list[i] == hwndInsertAfter) break;
1794 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1795 }
1796 }
1797
1798 for ( ; list[i]; i++)
1799 {
1800 if (list[i] == hwnd) break;
1801 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1802 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1803 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1804 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1805 hwndInsertAfter = list[i];
1806 }
1807
1808 done:
1809 HeapFree( GetProcessHeap(), 0, list );
1810 return hwndInsertAfter;
1811 }
1812
1813 /***********************************************************************
1814 * SWP_DoNCCalcSize
1815 */
1816 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1817 RECT *validRects )
1818 {
1819 UINT wvrFlags = 0;
1820 RECT window_rect, client_rect;
1821
1822 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1823
1824 /* Send WM_NCCALCSIZE message to get new client area */
1825 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1826 {
1827 NCCALCSIZE_PARAMS params;
1828 WINDOWPOS winposCopy;
1829
1830 params.rgrc[0] = *pNewWindowRect;
1831 params.rgrc[1] = window_rect;
1832 params.rgrc[2] = client_rect;
1833 params.lppos = &winposCopy;
1834 winposCopy = *pWinpos;
1835
1836 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1837
1838 *pNewClientRect = params.rgrc[0];
1839
1840 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1841 wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(&client_rect),
1842 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1843
1844 if( pNewClientRect->left != client_rect.left ||
1845 pNewClientRect->top != client_rect.top )
1846 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1847
1848 if( (pNewClientRect->right - pNewClientRect->left !=
1849 client_rect.right - client_rect.left))
1850 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1851 else
1852 wvrFlags &= ~WVR_HREDRAW;
1853
1854 if (pNewClientRect->bottom - pNewClientRect->top !=
1855 client_rect.bottom - client_rect.top)
1856 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1857 else
1858 wvrFlags &= ~WVR_VREDRAW;
1859
1860 validRects[0] = params.rgrc[1];
1861 validRects[1] = params.rgrc[2];
1862 }
1863 else
1864 {
1865 if (!(pWinpos->flags & SWP_NOMOVE) &&
1866 (pNewClientRect->left != client_rect.left ||
1867 pNewClientRect->top != client_rect.top))
1868 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1869 }
1870
1871 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1872 {
1873 SetRectEmpty( &validRects[0] );
1874 SetRectEmpty( &validRects[1] );
1875 }
1876 else get_valid_rects( &client_rect, pNewClientRect, wvrFlags, validRects );
1877
1878 return wvrFlags;
1879 }
1880
1881 /* fix redundant flags and values in the WINDOWPOS structure */
1882 static BOOL fixup_flags( WINDOWPOS *winpos )
1883 {
1884 HWND parent;
1885 RECT window_rect;
1886 POINT pt;
1887 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1888 BOOL ret = TRUE;
1889
1890 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1891 {
1892 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1893 return FALSE;
1894 }
1895 winpos->hwnd = wndPtr->obj.handle; /* make it a full handle */
1896
1897 /* Finally make sure that all coordinates are valid */
1898 if (winpos->x < -32768) winpos->x = -32768;
1899 else if (winpos->x > 32767) winpos->x = 32767;
1900 if (winpos->y < -32768) winpos->y = -32768;
1901 else if (winpos->y > 32767) winpos->y = 32767;
1902
1903 if (winpos->cx < 0) winpos->cx = 0;
1904 else if (winpos->cx > 32767) winpos->cx = 32767;
1905 if (winpos->cy < 0) winpos->cy = 0;
1906 else if (winpos->cy > 32767) winpos->cy = 32767;
1907
1908 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1909 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1910
1911 if (winpos->flags & SWP_HIDEWINDOW) wndPtr->flags |= WIN_HIDDEN;
1912 else if (winpos->flags & SWP_SHOWWINDOW) wndPtr->flags &= ~WIN_HIDDEN;
1913
1914 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1915 else
1916 {
1917 winpos->flags &= ~SWP_HIDEWINDOW;
1918 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1919 }
1920
1921 WIN_GetRectangles( winpos->hwnd, COORDS_SCREEN, &window_rect, NULL );
1922 if ((window_rect.right - window_rect.left == winpos->cx) &&
1923 (window_rect.bottom - window_rect.top == winpos->cy))
1924 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1925
1926 pt.x = winpos->x;
1927 pt.y = winpos->y;
1928 ClientToScreen( parent, &pt );
1929 if ((window_rect.left == pt.x) && (window_rect.top == pt.y))
1930 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1931
1932 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1933 {
1934 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1935 (winpos->flags & SWP_NOZORDER ||
1936 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1937 {
1938 winpos->flags &= ~SWP_NOZORDER;
1939 winpos->hwndInsertAfter = HWND_TOP;
1940 }
1941 }
1942
1943 /* Check hwndInsertAfter */
1944 if (winpos->flags & SWP_NOZORDER) goto done;
1945
1946 if (winpos->hwndInsertAfter == HWND_TOP)
1947 {
1948 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1949 winpos->flags |= SWP_NOZORDER;
1950 }
1951 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1952 {
1953 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1954 winpos->flags |= SWP_NOZORDER;
1955 }
1956 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1957 {
1958 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1959 winpos->flags |= SWP_NOZORDER;
1960 }
1961 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1962 {
1963 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1964 winpos->flags |= SWP_NOZORDER;
1965 }
1966 else
1967 {
1968 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1969 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1970 winpos->flags |= SWP_NOZORDER;
1971 }
1972 done:
1973 WIN_ReleasePtr( wndPtr );
1974 return ret;
1975 }
1976
1977
1978 /***********************************************************************
1979 * update_surface_region
1980 */
1981 static void update_surface_region( HWND hwnd )
1982 {
1983 NTSTATUS status;
1984 HRGN region = 0;
1985 RGNDATA *data;
1986 size_t size = 256;
1987 WND *win = WIN_GetPtr( hwnd );
1988
1989 if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
1990 if (!win->surface) goto done;
1991
1992 do
1993 {
1994 if (!(data = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( RGNDATA, Buffer[size] )))) goto done;
1995
1996 SERVER_START_REQ( get_surface_region )
1997 {
1998 req->window = wine_server_user_handle( hwnd );
1999 wine_server_set_reply( req, data->Buffer, size );
2000 if (!(status = wine_server_call( req )))
2001 {
2002 size_t reply_size = wine_server_reply_size( reply );
2003 if (reply_size)
2004 {
2005 data->rdh.dwSize = sizeof(data->rdh);
2006 data->rdh.iType = RDH_RECTANGLES;
2007 data->rdh.nCount = reply_size / sizeof(RECT);
2008 data->rdh.nRgnSize = reply_size;
2009 region = ExtCreateRegion( NULL, size, data );
2010 OffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top );
2011 }
2012 }
2013 else size = reply->total_size;
2014 }
2015 SERVER_END_REQ;
2016 HeapFree( GetProcessHeap(), 0, data );
2017 } while (status == STATUS_BUFFER_OVERFLOW);
2018
2019 if (status) goto done;
2020
2021 win->surface->funcs->set_region( win->surface, region );
2022 if (region) DeleteObject( region );
2023
2024 done:
2025 WIN_ReleasePtr( win );
2026 }
2027
2028
2029 /***********************************************************************
2030 * set_window_pos
2031 *
2032 * Backend implementation of SetWindowPos.
2033 */
2034 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
2035 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
2036 {
2037 WND *win;
2038 HWND surface_win = 0, parent = GetAncestor( hwnd, GA_PARENT );
2039 BOOL ret;
2040 int old_width;
2041 RECT visible_rect, old_visible_rect, old_window_rect;
2042 struct window_surface *old_surface, *new_surface = NULL;
2043
2044 if (!parent || parent == GetDesktopWindow())
2045 {
2046 new_surface = &dummy_surface; /* provide a default surface for top-level windows */
2047 window_surface_add_ref( new_surface );
2048 }
2049 visible_rect = *window_rect;
2050 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
2051 window_rect, client_rect, &visible_rect, &new_surface );
2052
2053 WIN_GetRectangles( hwnd, COORDS_SCREEN, &old_window_rect, NULL );
2054
2055 if (!(win = WIN_GetPtr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS)
2056 {
2057 if (new_surface) window_surface_release( new_surface );
2058 return FALSE;
2059 }
2060 old_width = win->rectClient.right - win->rectClient.left;
2061 old_visible_rect = win->visible_rect;
2062 old_surface = win->surface;
2063 if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED; /* force refreshing non-client area */
2064
2065 SERVER_START_REQ( set_window_pos )
2066 {
2067 req->handle = wine_server_user_handle( hwnd );
2068 req->previous = wine_server_user_handle( insert_after );
2069 req->swp_flags = swp_flags;
2070 req->window.left = window_rect->left;
2071 req->window.top = window_rect->top;
2072 req->window.right = window_rect->right;
2073 req->window.bottom = window_rect->bottom;
2074 req->client.left = client_rect->left;
2075 req->client.top = client_rect->top;
2076 req->client.right = client_rect->right;
2077 req->client.bottom = client_rect->bottom;
2078 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
2079 {
2080 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
2081 if (!IsRectEmpty( &valid_rects[0] ))
2082 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
2083 }
2084 if (new_surface) req->paint_flags |= SET_WINPOS_PAINT_SURFACE;
2085 if (win->pixel_format) req->paint_flags |= SET_WINPOS_PIXEL_FORMAT;
2086
2087 if ((ret = !wine_server_call( req )))
2088 {
2089 win->dwStyle = reply->new_style;
2090 win->dwExStyle = reply->new_ex_style;
2091 win->rectWindow = *window_rect;
2092 win->rectClient = *client_rect;
2093 win->visible_rect = visible_rect;
2094 win->surface = new_surface;
2095 surface_win = wine_server_ptr_handle( reply->surface_win );
2096 if (GetWindowLongW( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
2097 {
2098 RECT client;
2099 GetClientRect( win->parent, &client );
2100 mirror_rect( &client, &win->rectWindow );
2101 mirror_rect( &client, &win->rectClient );
2102 mirror_rect( &client, &win->visible_rect );
2103 }
2104 /* if an RTL window is resized the children have moved */
2105 if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_width)
2106 win->flags |= WIN_CHILDREN_MOVED;
2107 }
2108 }
2109 SERVER_END_REQ;
2110
2111 if (ret)
2112 {
2113 if (surface_win) update_surface_region( surface_win );
2114 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
2115 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED | SWP_FRAMECHANGED)))
2116 invalidate_dce( win, &old_window_rect );
2117 }
2118
2119 WIN_ReleasePtr( win );
2120
2121 if (ret)
2122 {
2123 TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface );
2124 register_window_surface( old_surface, new_surface );
2125 if (old_surface)
2126 {
2127 if (!IsRectEmpty( valid_rects ))
2128 {
2129 move_window_bits( hwnd, old_surface, new_surface, &visible_rect,
2130 &old_visible_rect, client_rect, valid_rects );
2131 valid_rects = NULL; /* prevent the driver from trying to also move the bits */
2132 }
2133 window_surface_release( old_surface );
2134 }
2135 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
2136 client_rect, &visible_rect, valid_rects, new_surface );
2137 }
2138 else if (new_surface) window_surface_release( new_surface );
2139
2140 return ret;
2141 }
2142
2143
2144 /***********************************************************************
2145 * USER_SetWindowPos
2146 *
2147 * User32 internal function
2148 */
2149 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
2150 {
2151 RECT newWindowRect, newClientRect, valid_rects[2];
2152 UINT orig_flags;
2153
2154 orig_flags = winpos->flags;
2155
2156 /* First, check z-order arguments. */
2157 if (!(winpos->flags & SWP_NOZORDER))
2158 {
2159 /* fix sign extension */
2160 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
2161 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
2162
2163 if (!(winpos->hwndInsertAfter == HWND_TOP ||
2164 winpos->hwndInsertAfter == HWND_BOTTOM ||
2165 winpos->hwndInsertAfter == HWND_TOPMOST ||
2166 winpos->hwndInsertAfter == HWND_NOTOPMOST))
2167 {
2168 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2169 HWND insertafter_parent = GetAncestor( winpos->hwndInsertAfter, GA_PARENT );
2170
2171 /* hwndInsertAfter must be a sibling of the window */
2172 if (!insertafter_parent) return FALSE;
2173 if (insertafter_parent != parent) return TRUE;
2174 }
2175 }
2176
2177 /* Make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
2178 if (!(winpos->flags & SWP_NOMOVE))
2179 {
2180 if (winpos->x < -32768) winpos->x = -32768;
2181 else if (winpos->x > 32767) winpos->x = 32767;
2182 if (winpos->y < -32768) winpos->y = -32768;
2183 else if (winpos->y > 32767) winpos->y = 32767;
2184 }
2185 if (!(winpos->flags & SWP_NOSIZE))
2186 {
2187 if (winpos->cx < 0) winpos->cx = 0;
2188 else if (winpos->cx > 32767) winpos->cx = 32767;
2189 if (winpos->cy < 0) winpos->cy = 0;
2190 else if (winpos->cy > 32767) winpos->cy = 32767;
2191 }
2192
2193 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
2194
2195 /* Fix redundant flags */
2196 if (!fixup_flags( winpos )) return FALSE;
2197
2198 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
2199 {
2200 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
2201 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2202 }
2203
2204 /* Common operations */
2205
2206 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2207
2208 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2209 &newWindowRect, &newClientRect, valid_rects ))
2210 return FALSE;
2211
2212 /* erase parent when hiding or resizing child */
2213 if (!(orig_flags & SWP_DEFERERASE) &&
2214 ((orig_flags & SWP_HIDEWINDOW) ||
2215 (!(orig_flags & SWP_SHOWWINDOW) &&
2216 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
2217 {
2218 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2219 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2220 erase_now( parent, 0 );
2221 }
2222
2223 if( winpos->flags & SWP_HIDEWINDOW )
2224 HideCaret(winpos->hwnd);
2225 else if (winpos->flags & SWP_SHOWWINDOW)
2226 ShowCaret(winpos->hwnd);
2227
2228 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2229 {
2230 /* child windows get WM_CHILDACTIVATE message */
2231 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2232 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2233 else
2234 SetForegroundWindow( winpos->hwnd );
2235 }
2236
2237 /* And last, send the WM_WINDOWPOSCHANGED message */
2238
2239 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2240
2241 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2242 {
2243 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2244 and always contains final window position.
2245 */
2246 winpos->x = newWindowRect.left;
2247 winpos->y = newWindowRect.top;
2248 winpos->cx = newWindowRect.right - newWindowRect.left;
2249 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2250 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2251 }
2252 return TRUE;
2253 }
2254
2255 /***********************************************************************
2256 * SetWindowPos (USER32.@)
2257 */
2258 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2259 INT x, INT y, INT cx, INT cy, UINT flags )
2260 {
2261 WINDOWPOS winpos;
2262
2263 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2264 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2265 if(TRACE_ON(win)) dump_winpos_flags(flags);
2266
2267 if (is_broadcast(hwnd))
2268 {
2269 SetLastError( ERROR_INVALID_PARAMETER );
2270 return FALSE;
2271 }
2272
2273 winpos.hwnd = WIN_GetFullHandle(hwnd);
2274 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2275 winpos.x = x;
2276 winpos.y = y;
2277 winpos.cx = cx;
2278 winpos.cy = cy;
2279 winpos.flags = flags;
2280
2281 if (WIN_IsCurrentThread( hwnd ))
2282 return USER_SetWindowPos(&winpos);
2283
2284 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2285 }
2286
2287
2288 /***********************************************************************
2289 * BeginDeferWindowPos (USER32.@)
2290 */
2291 HDWP WINAPI BeginDeferWindowPos( INT count )
2292 {
2293 HDWP handle = 0;
2294 DWP *pDWP;
2295
2296 TRACE("%d\n", count);
2297
2298 if (count < 0)
2299 {
2300 SetLastError(ERROR_INVALID_PARAMETER);
2301 return 0;
2302 }
2303 /* Windows allows zero count, in which case it allocates context for 8 moves */
2304 if (count == 0) count = 8;
2305
2306 if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
2307
2308 pDWP->actualCount = 0;
2309 pDWP->suggestedCount = count;
2310 pDWP->hwndParent = 0;
2311
2312 if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
2313 !(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
2314 {
2315 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2316 HeapFree( GetProcessHeap(), 0, pDWP );
2317 }
2318
2319 TRACE("returning hdwp %p\n", handle);
2320 return handle;
2321 }
2322
2323
2324 /***********************************************************************
2325 * DeferWindowPos (USER32.@)
2326 */
2327 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2328 INT x, INT y, INT cx, INT cy,
2329 UINT flags )
2330 {
2331 DWP *pDWP;
2332 int i;
2333 HDWP retvalue = hdwp;
2334
2335 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2336 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2337
2338 hwnd = WIN_GetFullHandle( hwnd );
2339 if (is_desktop_window( hwnd )) return 0;
2340
2341 if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
2342 if (pDWP == OBJ_OTHER_PROCESS)
2343 {
2344 FIXME( "other process handle %p?\n", hdwp );
2345 return 0;
2346 }
2347
2348 for (i = 0; i < pDWP->actualCount; i++)
2349 {
2350 if (pDWP->winPos[i].hwnd == hwnd)
2351 {
2352 /* Merge with the other changes */
2353 if (!(flags & SWP_NOZORDER))
2354 {
2355 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2356 }
2357 if (!(flags & SWP_NOMOVE))
2358 {
2359 pDWP->winPos[i].x = x;
2360 pDWP->winPos[i].y = y;
2361 }
2362 if (!(flags & SWP_NOSIZE))
2363 {
2364 pDWP->winPos[i].cx = cx;
2365 pDWP->winPos[i].cy = cy;
2366 }
2367 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2368 SWP_NOZORDER | SWP_NOREDRAW |
2369 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2370 SWP_NOOWNERZORDER);
2371 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2372 SWP_FRAMECHANGED);
2373 goto END;
2374 }
2375 }
2376 if (pDWP->actualCount >= pDWP->suggestedCount)
2377 {
2378 WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
2379 pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
2380 if (!newpos)
2381 {
2382 retvalue = 0;
2383 goto END;
2384 }
2385 pDWP->suggestedCount *= 2;
2386 pDWP->winPos = newpos;
2387 }
2388 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2389 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2390 pDWP->winPos[pDWP->actualCount].x = x;
2391 pDWP->winPos[pDWP->actualCount].y = y;
2392 pDWP->winPos[pDWP->actualCount].cx = cx;
2393 pDWP->winPos[pDWP->actualCount].cy = cy;
2394 pDWP->winPos[pDWP->actualCount].flags = flags;
2395 pDWP->actualCount++;
2396 END:
2397 release_user_handle_ptr( pDWP );
2398 return retvalue;
2399 }
2400
2401
2402 /***********************************************************************
2403 * EndDeferWindowPos (USER32.@)
2404 */
2405 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2406 {
2407 DWP *pDWP;
2408 WINDOWPOS *winpos;
2409 BOOL res = TRUE;
2410 int i;
2411
2412 TRACE("%p\n", hdwp);
2413
2414 if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
2415 if (pDWP == OBJ_OTHER_PROCESS)
2416 {
2417 FIXME( "other process handle %p?\n", hdwp );
2418 return FALSE;
2419 }
2420
2421 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2422 {
2423 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2424 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2425 winpos->cx, winpos->cy, winpos->flags);
2426
2427 if (WIN_IsCurrentThread( winpos->hwnd ))
2428 res = USER_SetWindowPos( winpos );
2429 else
2430 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2431 }
2432 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2433 HeapFree( GetProcessHeap(), 0, pDWP );
2434 return res;
2435 }
2436
2437
2438 /***********************************************************************
2439 * ArrangeIconicWindows (USER32.@)
2440 */
2441 UINT WINAPI ArrangeIconicWindows( HWND parent )
2442 {
2443 RECT rectParent;
2444 HWND hwndChild;
2445 INT x, y, xspacing, yspacing;
2446
2447 GetClientRect( parent, &rectParent );
2448 x = rectParent.left;
2449 y = rectParent.bottom;
2450 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2451 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2452
2453 hwndChild = GetWindow( parent, GW_CHILD );
2454 while (hwndChild)
2455 {
2456 if( IsIconic( hwndChild ) )
2457 {
2458 WINPOS_ShowIconTitle( hwndChild, FALSE );
2459
2460 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2461 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2462 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2463 if( IsWindow(hwndChild) )
2464 WINPOS_ShowIconTitle(hwndChild , TRUE );
2465
2466 if (x <= rectParent.right - xspacing) x += xspacing;
2467 else
2468 {
2469 x = rectParent.left;
2470 y -= yspacing;
2471 }
2472 }
2473 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2474 }
2475 return yspacing;
2476 }
2477
2478
2479 /***********************************************************************
2480 * draw_moving_frame
2481 *
2482 * Draw the frame used when moving or resizing window.
2483 */
2484 static void draw_moving_frame( HWND parent, HDC hdc, RECT *screen_rect, BOOL thickframe )
2485 {
2486 RECT rect = *screen_rect;
2487
2488 if (parent) MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2489 if (thickframe)
2490 {
2491 const int width = GetSystemMetrics(SM_CXFRAME);
2492 const int height = GetSystemMetrics(SM_CYFRAME);
2493
2494 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2495 PatBlt( hdc, rect.left, rect.top,
2496 rect.right - rect.left - width, height, PATINVERT );
2497 PatBlt( hdc, rect.left, rect.top + height, width,
2498 rect.bottom - rect.top - height, PATINVERT );
2499 PatBlt( hdc, rect.left + width, rect.bottom - 1,
2500 rect.right - rect.left - width, -height, PATINVERT );
2501 PatBlt( hdc, rect.right - 1, rect.top, -width,
2502 rect.bottom - rect.top - height, PATINVERT );
2503 SelectObject( hdc, hbrush );
2504 }
2505 else DrawFocusRect( hdc, &rect );
2506 }
2507
2508
2509 /***********************************************************************
2510 * start_size_move
2511 *
2512 * Initialization of a move or resize, when initiated from a menu choice.
2513 * Return hit test code for caption or sizing border.
2514 */
2515 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2516 {
2517 LONG hittest = 0;
2518 POINT pt;
2519 MSG msg;
2520 RECT rectWindow;
2521
2522 GetWindowRect( hwnd, &rectWindow );
2523
2524 if ((wParam & 0xfff0) == SC_MOVE)
2525 {
2526 /* Move pointer at the center of the caption */
2527 RECT rect = rectWindow;
2528 /* Note: to be exactly centered we should take the different types
2529 * of border into account, but it shouldn't make more than a few pixels
2530 * of difference so let's not bother with that */
2531 rect.top += GetSystemMetrics(SM_CYBORDER);
2532 if (style & WS_SYSMENU)
2533 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2534 if (style & WS_MINIMIZEBOX)
2535 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2536 if (style & WS_MAXIMIZEBOX)
2537 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2538 pt.x = (rect.right + rect.left) / 2;
2539 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2540 hittest = HTCAPTION;
2541 *capturePoint = pt;
2542 }
2543 else /* SC_SIZE */
2544 {
2545 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2546 pt.x = pt.y = 0;
2547 while(!hittest)
2548 {
2549 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2550 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2551
2552 switch(msg.message)
2553 {
2554 case WM_MOUSEMOVE:
2555 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2556 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2557 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2558 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2559 break;
2560
2561 case WM_LBUTTONUP:
2562 return 0;
2563
2564 case WM_KEYDOWN:
2565 switch(msg.wParam)
2566 {
2567 case VK_UP:
2568 hittest = HTTOP;
2569 pt.x =(rectWindow.left+rectWindow.right)/2;
2570 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2571 break;
2572 case VK_DOWN:
2573 hittest = HTBOTTOM;
2574 pt.x =(rectWindow.left+rectWindow.right)/2;
2575 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2576 break;
2577 case VK_LEFT:
2578 hittest = HTLEFT;
2579 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2580 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2581 break;
2582 case VK_RIGHT:
2583 hittest = HTRIGHT;
2584 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2585 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2586 break;
2587 case VK_RETURN:
2588 case VK_ESCAPE:
2589 return 0;
2590 }
2591 break;
2592 default:
2593 TranslateMessage( &msg );
2594 DispatchMessageW( &msg );
2595 break;
2596 }
2597 }
2598 *capturePoint = pt;
2599 }
2600 SetCursorPos( pt.x, pt.y );
2601 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2602 return hittest;
2603 }
2604
2605
2606 /***********************************************************************
2607 * WINPOS_SysCommandSizeMove
2608 *
2609 * Perform SC_MOVE and SC_SIZE commands.
2610 */
2611 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2612 {
2613 MSG msg;
2614 RECT sizingRect, mouseRect, origRect;
2615 HDC hdc;
2616 HWND parent;
2617 LONG hittest = (LONG)(wParam & 0x0f);
2618 WPARAM syscommand = wParam & 0xfff0;
2619 HCURSOR hDragCursor = 0, hOldCursor = 0;
2620 POINT minTrack, maxTrack;
2621 POINT capturePoint, pt;
2622 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2623 BOOL thickframe = HAS_THICKFRAME( style );
2624 BOOL iconic = style & WS_MINIMIZE;
2625 BOOL moved = FALSE;
2626 DWORD dwPoint = GetMessagePos ();
2627 BOOL DragFullWindows = TRUE;
2628
2629 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2630
2631 pt.x = (short)LOWORD(dwPoint);
2632 pt.y = (short)HIWORD(dwPoint);
2633 capturePoint = pt;
2634 ClipCursor( NULL );
2635
2636 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2637 hwnd, syscommand, hittest, pt.x, pt.y);
2638
2639 if (syscommand == SC_MOVE)
2640 {
2641 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2642 if (!hittest) return;
2643 }
2644 else /* SC_SIZE */
2645 {
2646 if ( hittest && (syscommand != SC_MOUSEMENU) )
2647 hittest += (HTLEFT - WMSZ_LEFT);
2648 else
2649 {
2650 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2651 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2652 if (!hittest)
2653 {
2654 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2655 return;
2656 }
2657 }
2658 }
2659
2660 /* Get min/max info */
2661
2662 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2663 WIN_GetRectangles( hwnd, COORDS_PARENT, &sizingRect, NULL );
2664 origRect = sizingRect;
2665 if (style & WS_CHILD)
2666 {
2667 parent = GetParent(hwnd);
2668 GetClientRect( parent, &mouseRect );
2669 MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2670 MapWindowPoints( parent, 0, (LPPOINT)&sizingRect, 2 );
2671 }
2672 else
2673 {
2674 parent = 0;
2675 mouseRect = get_virtual_screen_rect();
2676 }
2677
2678 if (ON_LEFT_BORDER(hittest))
2679 {
2680 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2681 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2682 }
2683 else if (ON_RIGHT_BORDER(hittest))
2684 {
2685 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2686 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2687 }
2688 if (ON_TOP_BORDER(hittest))
2689 {
2690 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2691 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2692 }
2693 else if (ON_BOTTOM_BORDER(hittest))
2694 {
2695 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2696 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2697 }
2698
2699 /* Retrieve a default cache DC (without using the window style) */
2700 hdc = GetDCEx( parent, 0, DCX_CACHE );
2701
2702 if( iconic ) /* create a cursor for dragging */
2703 {
2704 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2705 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2706 if( !hDragCursor ) iconic = FALSE;
2707 }
2708
2709 /* we only allow disabling the full window drag for child windows */
2710 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2711
2712 /* repaint the window before moving it around */
2713 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2714
2715 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2716 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2717
2718 while(1)
2719 {
2720 int dx = 0, dy = 0;
2721
2722 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2723 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2724
2725 /* Exit on button-up, Return, or Esc */
2726 if ((msg.message == WM_LBUTTONUP) ||
2727 ((msg.message == WM_KEYDOWN) &&
2728 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2729
2730 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2731 {
2732 TranslateMessage( &msg );
2733 DispatchMessageW( &msg );
2734 continue; /* We are not interested in other messages */
2735 }
2736
2737 pt = msg.pt;
2738
2739 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2740 {
2741 case VK_UP: pt.y -= 8; break;
2742 case VK_DOWN: pt.y += 8; break;
2743 case VK_LEFT: pt.x -= 8; break;
2744 case VK_RIGHT: pt.x += 8; break;
2745 }
2746
2747 pt.x = max( pt.x, mouseRect.left );
2748 pt.x = min( pt.x, mouseRect.right );
2749 pt.y = max( pt.y, mouseRect.top );
2750 pt.y = min( pt.y, mouseRect.bottom );
2751
2752 dx = pt.x - capturePoint.x;
2753 dy = pt.y - capturePoint.y;
2754
2755 if (dx || dy)
2756 {
2757 if( !moved )
2758 {
2759 moved = TRUE;
2760
2761 if( iconic ) /* ok, no system popup tracking */
2762 {
2763 hOldCursor = SetCursor(hDragCursor);
2764 ShowCursor( TRUE );
2765 WINPOS_ShowIconTitle( hwnd, FALSE );
2766 }
2767 else if(!DragFullWindows)
2768 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2769 }
2770
2771 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2772 else
2773 {
2774 if(!iconic && !DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2775 if (hittest == HTCAPTION) OffsetRect( &sizingRect, dx, dy );
2776 if (ON_LEFT_BORDER(hittest)) sizingRect.left += dx;
2777 else if (ON_RIGHT_BORDER(hittest)) sizingRect.right += dx;
2778 if (ON_TOP_BORDER(hittest)) sizingRect.top += dy;
2779 else if (ON_BOTTOM_BORDER(hittest)) sizingRect.bottom += dy;
2780 capturePoint = pt;
2781
2782 /* determine the hit location */
2783 if (syscommand == SC_SIZE)
2784 {
2785 WPARAM wpSizingHit = 0;
2786
2787 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2788 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2789 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&sizingRect );
2790 }
2791 else
2792 SendMessageW( hwnd, WM_MOVING, 0, (LPARAM)&sizingRect );
2793
2794 if (!iconic)
2795 {
2796 if(!DragFullWindows)
2797 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2798 else
2799 {
2800 RECT rect = sizingRect;
2801 MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2802 SetWindowPos( hwnd, 0, rect.left, rect.top,
2803 rect.right - rect.left, rect.bottom - rect.top,
2804 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2805 }
2806 }
2807 }
2808 }
2809 }
2810
2811 if( iconic )
2812 {
2813 if( moved ) /* restore cursors, show icon title later on */
2814 {
2815 ShowCursor( FALSE );
2816 SetCursor( hOldCursor );
2817 }
2818 }
2819 else if (moved && !DragFullWindows)
2820 {
2821 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2822 }
2823
2824 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2825 ReleaseDC( parent, hdc );
2826 if (parent) MapWindowPoints( 0, parent, (POINT *)&sizingRect, 2 );
2827
2828 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2829 moved = FALSE;
2830
2831 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2832 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2833
2834 /* window moved or resized */
2835 if (moved)
2836 {
2837 /* if the moving/resizing isn't canceled call SetWindowPos
2838 * with the new position or the new size of the window
2839 */
2840 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2841 {
2842 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2843 if(!DragFullWindows || iconic)
2844 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2845 sizingRect.right - sizingRect.left,
2846 sizingRect.bottom - sizingRect.top,
2847 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2848 }
2849 else
2850 { /* restore previous size/position */
2851 if(DragFullWindows)
2852 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2853 origRect.right - origRect.left,
2854 origRect.bottom - origRect.top,
2855 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2856 }
2857 }
2858
2859 if (IsIconic(hwnd))
2860 {
2861 /* Single click brings up the system menu when iconized */
2862
2863 if( !moved )
2864 {
2865 if(style & WS_SYSMENU )
2866 SendMessageW( hwnd, WM_SYSCOMMAND,
2867 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2868 }
2869 else WINPOS_ShowIconTitle( hwnd, TRUE );
2870 }
2871 }
Maarten's multimedia branch