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dwrite: Partially implement GetGlyphImageFormats().
[wine.git] / dlls / user32 / winpos.c
blobc2b35ec1f53fb52907401a150f0192bcc918726c
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 #define SWP_AGG_NOCLIENTCHANGE \
49 (SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
50
51 #define HAS_DLGFRAME(style,exStyle) \
52 (((exStyle) & WS_EX_DLGMODALFRAME) || \
53 (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
54
55 #define HAS_THICKFRAME(style) \
56 (((style) & WS_THICKFRAME) && \
57 !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
58
59 #define EMPTYPOINT(pt) ((pt).x == -1 && (pt).y == -1)
60
61 #define ON_LEFT_BORDER(hit) \
62 (((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
63 #define ON_RIGHT_BORDER(hit) \
64 (((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
65 #define ON_TOP_BORDER(hit) \
66 (((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
67 #define ON_BOTTOM_BORDER(hit) \
68 (((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
69
70 #define PLACE_MIN 0x0001
71 #define PLACE_MAX 0x0002
72 #define PLACE_RECT 0x0004
73
74 typedef struct
75 {
76 struct user_object obj;
77 INT actualCount;
78 INT suggestedCount;
79 HWND hwndParent;
80 WINDOWPOS *winPos;
81 } DWP;
82
83
84 /***********************************************************************
85 * SwitchToThisWindow (USER32.@)
86 */
87 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL alt_tab )
88 {
89 if (IsIconic( hwnd )) ShowWindow( hwnd, SW_RESTORE );
90 else BringWindowToTop( hwnd );
91 }
92
93
94 /***********************************************************************
95 * GetWindowRect (USER32.@)
96 */
97 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
98 {
99 BOOL ret = WIN_GetRectangles( hwnd, COORDS_SCREEN, rect, NULL );
100 if (ret) TRACE( "hwnd %p %s\n", hwnd, wine_dbgstr_rect(rect) );
101 return ret;
102 }
103
104
105 /***********************************************************************
106 * GetWindowRgn (USER32.@)
107 */
108 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
109 {
110 int nRet = ERROR;
111 NTSTATUS status;
112 HRGN win_rgn = 0;
113 RGNDATA *data;
114 size_t size = 256;
115
116 do
117 {
118 if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
119 {
120 SetLastError( ERROR_OUTOFMEMORY );
121 return ERROR;
122 }
123 SERVER_START_REQ( get_window_region )
124 {
125 req->window = wine_server_user_handle( hwnd );
126 wine_server_set_reply( req, data->Buffer, size );
127 if (!(status = wine_server_call( req )))
128 {
129 size_t reply_size = wine_server_reply_size( reply );
130 if (reply_size)
131 {
132 data->rdh.dwSize = sizeof(data->rdh);
133 data->rdh.iType = RDH_RECTANGLES;
134 data->rdh.nCount = reply_size / sizeof(RECT);
135 data->rdh.nRgnSize = reply_size;
136 win_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
137 }
138 }
139 else size = reply->total_size;
140 }
141 SERVER_END_REQ;
142 HeapFree( GetProcessHeap(), 0, data );
143 } while (status == STATUS_BUFFER_OVERFLOW);
144
145 if (status) SetLastError( RtlNtStatusToDosError(status) );
146 else if (win_rgn)
147 {
148 nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
149 DeleteObject( win_rgn );
150 }
151 return nRet;
152 }
153
154 /***********************************************************************
155 * GetWindowRgnBox (USER32.@)
156 */
157 int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect )
158 {
159 int ret = ERROR;
160 HRGN hrgn;
161
162 if (!prect)
163 return ERROR;
164
165 if ((hrgn = CreateRectRgn(0, 0, 0, 0)))
166 {
167 if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR )
168 ret = GetRgnBox( hrgn, prect );
169 DeleteObject(hrgn);
170 }
171
172 return ret;
173 }
174
175 /***********************************************************************
176 * SetWindowRgn (USER32.@)
177 */
178 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
179 {
180 static const RECT empty_rect;
181 BOOL ret;
182
183 if (hrgn)
184 {
185 RGNDATA *data;
186 DWORD size;
187
188 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
189 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
190 if (!GetRegionData( hrgn, size, data ))
191 {
192 HeapFree( GetProcessHeap(), 0, data );
193 return FALSE;
194 }
195 SERVER_START_REQ( set_window_region )
196 {
197 req->window = wine_server_user_handle( hwnd );
198 req->redraw = (bRedraw != 0);
199 if (data->rdh.nCount)
200 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
201 else
202 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
203 ret = !wine_server_call_err( req );
204 }
205 SERVER_END_REQ;
206 HeapFree( GetProcessHeap(), 0, data );
207 }
208 else /* clear existing region */
209 {
210 SERVER_START_REQ( set_window_region )
211 {
212 req->window = wine_server_user_handle( hwnd );
213 req->redraw = (bRedraw != 0);
214 ret = !wine_server_call_err( req );
215 }
216 SERVER_END_REQ;
217 }
218
219 if (ret)
220 {
221 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
222 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
223 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
224 USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
225 if (hrgn) DeleteObject( hrgn );
226 }
227 return ret;
228 }
229
230
231 /***********************************************************************
232 * GetClientRect (USER32.@)
233 */
234 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
235 {
236 return WIN_GetRectangles( hwnd, COORDS_CLIENT, NULL, rect );
237 }
238
239
240 /***********************************************************************
241 * list_children_from_point
242 *
243 * Get the list of children that can contain point from the server.
244 * Point is in screen coordinates.
245 * Returned list must be freed by caller.
246 */
247 static HWND *list_children_from_point( HWND hwnd, POINT pt )
248 {
249 HWND *list;
250 int i, size = 128;
251
252 for (;;)
253 {
254 int count = 0;
255
256 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
257
258 SERVER_START_REQ( get_window_children_from_point )
259 {
260 req->parent = wine_server_user_handle( hwnd );
261 req->x = pt.x;
262 req->y = pt.y;
263 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
264 if (!wine_server_call( req )) count = reply->count;
265 }
266 SERVER_END_REQ;
267 if (count && count < size)
268 {
269 /* start from the end since HWND is potentially larger than user_handle_t */
270 for (i = count - 1; i >= 0; i--)
271 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
272 list[count] = 0;
273 return list;
274 }
275 HeapFree( GetProcessHeap(), 0, list );
276 if (!count) break;
277 size = count + 1; /* restart with a large enough buffer */
278 }
279 return NULL;
280 }
281
282
283 /***********************************************************************
284 * WINPOS_WindowFromPoint
285 *
286 * Find the window and hittest for a given point.
287 */
288 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
289 {
290 int i, res;
291 HWND ret, *list;
292
293 if (!hwndScope) hwndScope = GetDesktopWindow();
294
295 *hittest = HTNOWHERE;
296
297 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
298
299 /* now determine the hittest */
300
301 for (i = 0; list[i]; i++)
302 {
303 LONG style = GetWindowLongW( list[i], GWL_STYLE );
304
305 /* If window is minimized or disabled, return at once */
306 if (style & WS_MINIMIZE)
307 {
308 *hittest = HTCAPTION;
309 break;
310 }
311 if (style & WS_DISABLED)
312 {
313 *hittest = HTERROR;
314 break;
315 }
316 /* Send WM_NCCHITTEST (if same thread) */
317 if (!WIN_IsCurrentThread( list[i] ))
318 {
319 *hittest = HTCLIENT;
320 break;
321 }
322 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
323 if (res != HTTRANSPARENT)
324 {
325 *hittest = res; /* Found the window */
326 break;
327 }
328 /* continue search with next window in z-order */
329 }
330 ret = list[i];
331 HeapFree( GetProcessHeap(), 0, list );
332 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
333 return ret;
334 }
335
336
337 /*******************************************************************
338 * WindowFromPoint (USER32.@)
339 */
340 HWND WINAPI WindowFromPoint( POINT pt )
341 {
342 INT hittest;
343 return WINPOS_WindowFromPoint( 0, pt, &hittest );
344 }
345
346
347 /*******************************************************************
348 * ChildWindowFromPoint (USER32.@)
349 */
350 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
351 {
352 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
353 }
354
355 /*******************************************************************
356 * RealChildWindowFromPoint (USER32.@)
357 */
358 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
359 {
360 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT | CWP_SKIPINVISIBLE );
361 }
362
363 /*******************************************************************
364 * ChildWindowFromPointEx (USER32.@)
365 */
366 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
367 {
368 /* pt is in the client coordinates */
369 HWND *list;
370 int i;
371 RECT rect;
372 HWND retvalue;
373
374 GetClientRect( hwndParent, &rect );
375 if (!PtInRect( &rect, pt )) return 0;
376 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
377
378 for (i = 0; list[i]; i++)
379 {
380 if (!WIN_GetRectangles( list[i], COORDS_PARENT, &rect, NULL )) continue;
381 if (!PtInRect( &rect, pt )) continue;
382 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
383 {
384 LONG style = GetWindowLongW( list[i], GWL_STYLE );
385 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
386 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
387 }
388 if (uFlags & CWP_SKIPTRANSPARENT)
389 {
390 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
391 }
392 break;
393 }
394 retvalue = list[i];
395 HeapFree( GetProcessHeap(), 0, list );
396 if (!retvalue) retvalue = hwndParent;
397 return retvalue;
398 }
399
400
401 /*******************************************************************
402 * WINPOS_GetWinOffset
403 *
404 * Calculate the offset between the origin of the two windows. Used
405 * to implement MapWindowPoints.
406 */
407 static BOOL WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, BOOL *mirrored, POINT *ret_offset )
408 {
409 WND * wndPtr;
410 POINT offset;
411 BOOL mirror_from, mirror_to, ret;
412 HWND hwnd;
413
414 offset.x = offset.y = 0;
415 *mirrored = mirror_from = mirror_to = FALSE;
416
417 /* Translate source window origin to screen coords */
418 if (hwndFrom)
419 {
420 if (!(wndPtr = WIN_GetPtr( hwndFrom )))
421 {
422 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
423 return FALSE;
424 }
425 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
426 if (wndPtr != WND_DESKTOP)
427 {
428 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
429 {
430 mirror_from = TRUE;
431 offset.x += wndPtr->rectClient.right - wndPtr->rectClient.left;
432 }
433 while (wndPtr->parent)
434 {
435 offset.x += wndPtr->rectClient.left;
436 offset.y += wndPtr->rectClient.top;
437 hwnd = wndPtr->parent;
438 WIN_ReleasePtr( wndPtr );
439 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
440 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
441 if (wndPtr == WND_DESKTOP) break;
442 if (wndPtr->flags & WIN_CHILDREN_MOVED)
443 {
444 WIN_ReleasePtr( wndPtr );
445 goto other_process;
446 }
447 }
448 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
449 }
450 }
451
452 /* Translate origin to destination window coords */
453 if (hwndTo)
454 {
455 if (!(wndPtr = WIN_GetPtr( hwndTo )))
456 {
457 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
458 return FALSE;
459 }
460 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
461 if (wndPtr != WND_DESKTOP)
462 {
463 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
464 {
465 mirror_to = TRUE;
466 offset.x -= wndPtr->rectClient.right - wndPtr->rectClient.left;
467 }
468 while (wndPtr->parent)
469 {
470 offset.x -= wndPtr->rectClient.left;
471 offset.y -= wndPtr->rectClient.top;
472 hwnd = wndPtr->parent;
473 WIN_ReleasePtr( wndPtr );
474 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
475 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
476 if (wndPtr == WND_DESKTOP) break;
477 if (wndPtr->flags & WIN_CHILDREN_MOVED)
478 {
479 WIN_ReleasePtr( wndPtr );
480 goto other_process;
481 }
482 }
483 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
484 }
485 }
486
487 *mirrored = mirror_from ^ mirror_to;
488 if (mirror_from) offset.x = -offset.x;
489 *ret_offset = offset;
490 return TRUE;
491
492 other_process: /* one of the parents may belong to another process, do it the hard way */
493 SERVER_START_REQ( get_windows_offset )
494 {
495 req->from = wine_server_user_handle( hwndFrom );
496 req->to = wine_server_user_handle( hwndTo );
497 if ((ret = !wine_server_call_err( req )))
498 {
499 ret_offset->x = reply->x;
500 ret_offset->y = reply->y;
501 *mirrored = reply->mirror;
502 }
503 }
504 SERVER_END_REQ;
505 return ret;
506 }
507
508 /* map coordinates of a window region */
509 void map_window_region( HWND from, HWND to, HRGN hrgn )
510 {
511 BOOL mirrored;
512 POINT offset;
513 UINT i, size;
514 RGNDATA *data;
515 HRGN new_rgn;
516 RECT *rect;
517
518 if (!WINPOS_GetWinOffset( from, to, &mirrored, &offset )) return;
519
520 if (!mirrored)
521 {
522 OffsetRgn( hrgn, offset.x, offset.y );
523 return;
524 }
525 if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
526 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
527 GetRegionData( hrgn, size, data );
528 rect = (RECT *)data->Buffer;
529 for (i = 0; i < data->rdh.nCount; i++)
530 {
531 int tmp = -(rect[i].left + offset.x);
532 rect[i].left = -(rect[i].right + offset.x);
533 rect[i].right = tmp;
534 rect[i].top += offset.y;
535 rect[i].bottom += offset.y;
536 }
537 if ((new_rgn = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data )))
538 {
539 CombineRgn( hrgn, new_rgn, 0, RGN_COPY );
540 DeleteObject( new_rgn );
541 }
542 HeapFree( GetProcessHeap(), 0, data );
543 }
544
545
546 /*******************************************************************
547 * MapWindowPoints (USER32.@)
548 */
549 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
550 {
551 BOOL mirrored;
552 POINT offset;
553 UINT i;
554
555 if (!WINPOS_GetWinOffset( hwndFrom, hwndTo, &mirrored, &offset )) return 0;
556
557 for (i = 0; i < count; i++)
558 {
559 lppt[i].x += offset.x;
560 lppt[i].y += offset.y;
561 if (mirrored) lppt[i].x = -lppt[i].x;
562 }
563 if (mirrored && count == 2) /* special case for rectangle */
564 {
565 int tmp = lppt[0].x;
566 lppt[0].x = lppt[1].x;
567 lppt[1].x = tmp;
568 }
569 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
570 }
571
572
573 /*******************************************************************
574 * ClientToScreen (USER32.@)
575 */
576 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
577 {
578 POINT offset;
579 BOOL mirrored;
580
581 if (!hwnd)
582 {
583 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
584 return FALSE;
585 }
586 if (!WINPOS_GetWinOffset( hwnd, 0, &mirrored, &offset )) return FALSE;
587 lppnt->x += offset.x;
588 lppnt->y += offset.y;
589 if (mirrored) lppnt->x = -lppnt->x;
590 return TRUE;
591 }
592
593
594 /*******************************************************************
595 * ScreenToClient (USER32.@)
596 */
597 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
598 {
599 POINT offset;
600 BOOL mirrored;
601
602 if (!hwnd)
603 {
604 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
605 return FALSE;
606 }
607 if (!WINPOS_GetWinOffset( 0, hwnd, &mirrored, &offset )) return FALSE;
608 lppnt->x += offset.x;
609 lppnt->y += offset.y;
610 if (mirrored) lppnt->x = -lppnt->x;
611 return TRUE;
612 }
613
614
615 /***********************************************************************
616 * IsIconic (USER32.@)
617 */
618 BOOL WINAPI IsIconic(HWND hWnd)
619 {
620 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
621 }
622
623
624 /***********************************************************************
625 * IsZoomed (USER32.@)
626 */
627 BOOL WINAPI IsZoomed(HWND hWnd)
628 {
629 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
630 }
631
632
633 /*******************************************************************
634 * AllowSetForegroundWindow (USER32.@)
635 */
636 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
637 {
638 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
639 * implemented, then fix this function. */
640 return TRUE;
641 }
642
643
644 /*******************************************************************
645 * LockSetForegroundWindow (USER32.@)
646 */
647 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
648 {
649 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
650 * implemented, then fix this function. */
651 return TRUE;
652 }
653
654
655 /***********************************************************************
656 * BringWindowToTop (USER32.@)
657 */
658 BOOL WINAPI BringWindowToTop( HWND hwnd )
659 {
660 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
661 }
662
663
664 /***********************************************************************
665 * MoveWindow (USER32.@)
666 */
667 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
668 BOOL repaint )
669 {
670 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
671 if (!repaint) flags |= SWP_NOREDRAW;
672 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
673 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
674 }
675
676
677 /***********************************************************************
678 * WINPOS_RedrawIconTitle
679 */
680 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
681 {
682 HWND icon_title = 0;
683 WND *win = WIN_GetPtr( hWnd );
684
685 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
686 {
687 icon_title = win->icon_title;
688 WIN_ReleasePtr( win );
689 }
690 if (!icon_title) return FALSE;
691 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
692 InvalidateRect( icon_title, NULL, TRUE );
693 return TRUE;
694 }
695
696 /***********************************************************************
697 * WINPOS_ShowIconTitle
698 */
699 static void WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
700 {
701 WND *win = WIN_GetPtr( hwnd );
702 HWND title = 0;
703
704 TRACE("%p %i\n", hwnd, (bShow != 0) );
705
706 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return;
707 if (win->rectWindow.left == -32000 || win->rectWindow.top == -32000)
708 {
709 TRACE( "not showing title for hidden icon %p\n", hwnd );
710 bShow = FALSE;
711 }
712 else title = win->icon_title;
713 WIN_ReleasePtr( win );
714
715 if (bShow)
716 {
717 if (!title)
718 {
719 title = ICONTITLE_Create( hwnd );
720 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
721 {
722 DestroyWindow( title );
723 return;
724 }
725 win->icon_title = title;
726 WIN_ReleasePtr( win );
727 }
728 if (!IsWindowVisible(title))
729 {
730 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
731 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
732 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
733 }
734 }
735 else if (title) ShowWindow( title, SW_HIDE );
736 }
737
738 /*******************************************************************
739 * WINPOS_GetMinMaxInfo
740 *
741 * Get the minimized and maximized information for a window.
742 */
743 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
744 POINT *minTrack, POINT *maxTrack )
745 {
746 MINMAXINFO MinMax;
747 HMONITOR monitor;
748 INT xinc, yinc;
749 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
750 LONG adjustedStyle;
751 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
752 RECT rc;
753 WND *win;
754
755 /* Compute default values */
756
757 GetWindowRect(hwnd, &rc);
758 MinMax.ptReserved.x = rc.left;
759 MinMax.ptReserved.y = rc.top;
760
761 if ((style & WS_CAPTION) == WS_CAPTION)
762 adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
763 else
764 adjustedStyle = style;
765
766 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
767 AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
768
769 xinc = -rc.left;
770 yinc = -rc.top;
771
772 MinMax.ptMaxSize.x = rc.right - rc.left;
773 MinMax.ptMaxSize.y = rc.bottom - rc.top;
774 if (style & (WS_DLGFRAME | WS_BORDER))
775 {
776 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
777 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
778 }
779 else
780 {
781 MinMax.ptMinTrackSize.x = 2 * xinc;
782 MinMax.ptMinTrackSize.y = 2 * yinc;
783 }
784 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
785 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
786 MinMax.ptMaxPosition.x = -xinc;
787 MinMax.ptMaxPosition.y = -yinc;
788
789 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
790 {
791 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
792 WIN_ReleasePtr( win );
793 }
794
795 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
796
797 /* if the app didn't change the values, adapt them for the current monitor */
798
799 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
800 {
801 RECT rc_work;
802 MONITORINFO mon_info;
803
804 mon_info.cbSize = sizeof(mon_info);
805 GetMonitorInfoW( monitor, &mon_info );
806
807 rc_work = mon_info.rcMonitor;
808
809 if (style & WS_MAXIMIZEBOX)
810 {
811 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
812 rc_work = mon_info.rcWork;
813 }
814
815 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
816 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
817 {
818 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
819 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
820 }
821 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
822 {
823 MinMax.ptMaxPosition.x = rc_work.left - xinc;
824 MinMax.ptMaxPosition.y = rc_work.top - yinc;
825 }
826 }
827
828 /* Some sanity checks */
829
830 TRACE("%d %d / %d %d / %d %d / %d %d\n",
831 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
832 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
833 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
834 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
835 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
836 MinMax.ptMinTrackSize.x );
837 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
838 MinMax.ptMinTrackSize.y );
839
840 if (maxSize) *maxSize = MinMax.ptMaxSize;
841 if (maxPos) *maxPos = MinMax.ptMaxPosition;
842 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
843 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
844 }
845
846
847 /***********************************************************************
848 * WINPOS_FindIconPos
849 *
850 * Find a suitable place for an iconic window.
851 */
852 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
853 {
854 RECT rect, rectParent;
855 HWND parent, child;
856 HRGN hrgn, tmp;
857 int x, y, xspacing, yspacing;
858 MINIMIZEDMETRICS metrics;
859
860 metrics.cbSize = sizeof(metrics);
861 SystemParametersInfoW( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 );
862
863 parent = GetAncestor( hwnd, GA_PARENT );
864 if (parent == GetDesktopWindow())
865 {
866 MONITORINFO mon_info;
867 HMONITOR monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY );
868
869 mon_info.cbSize = sizeof( mon_info );
870 GetMonitorInfoW( monitor, &mon_info );
871 rectParent = mon_info.rcWork;
872 }
873 else GetClientRect( parent, &rectParent );
874
875 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
876 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
877 return pt; /* The icon already has a suitable position */
878
879 xspacing = GetSystemMetrics(SM_CXICONSPACING);
880 yspacing = GetSystemMetrics(SM_CYICONSPACING);
881
882 /* Check if another icon already occupies this spot */
883 /* FIXME: this is completely inefficient */
884
885 hrgn = CreateRectRgn( 0, 0, 0, 0 );
886 tmp = CreateRectRgn( 0, 0, 0, 0 );
887 for (child = GetWindow( parent, GW_CHILD ); child; child = GetWindow( child, GW_HWNDNEXT ))
888 {
889 if (child == hwnd) continue;
890 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
891 continue;
892 if (WIN_GetRectangles( child, COORDS_PARENT, &rect, NULL ))
893 {
894 SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
895 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
896 }
897 }
898 DeleteObject( tmp );
899
900 for (y = 0; y < (rectParent.bottom - rectParent.top) / yspacing; y++)
901 {
902 if (metrics.iArrange & ARW_STARTTOP)
903 {
904 rect.top = rectParent.top + y * yspacing;
905 rect.bottom = rect.top + yspacing;
906 }
907 else
908 {
909 rect.bottom = rectParent.bottom - y * yspacing;
910 rect.top = rect.bottom - yspacing;
911 }
912 for (x = 0; x < (rectParent.right - rectParent.left) / xspacing; x++)
913 {
914 if (metrics.iArrange & ARW_STARTRIGHT)
915 {
916 rect.right = rectParent.right - x * xspacing;
917 rect.left = rect.right - xspacing;
918 }
919 else
920 {
921 rect.left = rectParent.left + x * xspacing;
922 rect.right = rect.left + xspacing;
923 }
924 if (!RectInRegion( hrgn, &rect ))
925 {
926 /* No window was found, so it's OK for us */
927 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
928 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
929 DeleteObject( hrgn );
930 return pt;
931 }
932 }
933 }
934 DeleteObject( hrgn );
935 pt.x = pt.y = 0;
936 return pt;
937 }
938
939
940 /***********************************************************************
941 * WINPOS_MinMaximize
942 */
943 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
944 {
945 UINT swpFlags = 0;
946 POINT size;
947 LONG old_style;
948 WINDOWPLACEMENT wpl;
949
950 TRACE("%p %u\n", hwnd, cmd );
951
952 wpl.length = sizeof(wpl);
953 GetWindowPlacement( hwnd, &wpl );
954
955 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
956 return SWP_NOSIZE | SWP_NOMOVE;
957
958 if (IsIconic( hwnd ))
959 {
960 switch (cmd)
961 {
962 case SW_SHOWMINNOACTIVE:
963 case SW_SHOWMINIMIZED:
964 case SW_FORCEMINIMIZE:
965 case SW_MINIMIZE:
966 return SWP_NOSIZE | SWP_NOMOVE;
967 }
968 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
969 swpFlags |= SWP_NOCOPYBITS;
970 }
971
972 switch( cmd )
973 {
974 case SW_SHOWMINNOACTIVE:
975 case SW_SHOWMINIMIZED:
976 case SW_FORCEMINIMIZE:
977 case SW_MINIMIZE:
978 if (IsZoomed( hwnd )) win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
979 else win_set_flags( hwnd, 0, WIN_RESTORE_MAX );
980
981 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
982
983 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
984
985 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
986 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
987 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
988 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
989 swpFlags |= SWP_NOCOPYBITS;
990 break;
991
992 case SW_MAXIMIZE:
993 old_style = GetWindowLongW( hwnd, GWL_STYLE );
994 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
995
996 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
997
998 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
999 if (old_style & WS_MINIMIZE)
1000 {
1001 win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
1002 WINPOS_ShowIconTitle( hwnd, FALSE );
1003 }
1004
1005 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
1006 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
1007 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
1008 break;
1009
1010 case SW_SHOWNOACTIVATE:
1011 win_set_flags( hwnd, 0, WIN_RESTORE_MAX );
1012 /* fall through */
1013 case SW_SHOWNORMAL:
1014 case SW_RESTORE:
1015 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1016 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
1017 if (old_style & WS_MINIMIZE)
1018 {
1019 WINPOS_ShowIconTitle( hwnd, FALSE );
1020 if (win_get_flags( hwnd ) & WIN_RESTORE_MAX)
1021 {
1022 /* Restore to maximized position */
1023 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
1024 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
1025 swpFlags |= SWP_STATECHANGED;
1026 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
1027 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
1028 break;
1029 }
1030 }
1031 else if (!(old_style & WS_MAXIMIZE)) break;
1032
1033 swpFlags |= SWP_STATECHANGED;
1034
1035 /* Restore to normal position */
1036
1037 *rect = wpl.rcNormalPosition;
1038 break;
1039 }
1040
1041 return swpFlags;
1042 }
1043
1044
1045 /***********************************************************************
1046 * show_window
1047 *
1048 * Implementation of ShowWindow and ShowWindowAsync.
1049 */
1050 static BOOL show_window( HWND hwnd, INT cmd )
1051 {
1052 WND *wndPtr;
1053 HWND parent;
1054 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1055 BOOL wasVisible = (style & WS_VISIBLE) != 0;
1056 BOOL showFlag = TRUE;
1057 RECT newPos = {0, 0, 0, 0};
1058 UINT swp = 0;
1059
1060 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
1061
1062 switch(cmd)
1063 {
1064 case SW_HIDE:
1065 if (!wasVisible) return FALSE;
1066 showFlag = FALSE;
1067 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1068 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1069 break;
1070
1071 case SW_SHOWMINNOACTIVE:
1072 case SW_MINIMIZE:
1073 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
1074 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1075 /* fall through */
1076 case SW_SHOWMINIMIZED:
1077 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
1078 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1079 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
1080 break;
1081
1082 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
1083 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1084 swp |= SWP_FRAMECHANGED;
1085 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1086 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1087 break;
1088
1089 case SW_SHOWNA:
1090 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1091 if (style & WS_CHILD) swp |= SWP_NOZORDER;
1092 break;
1093 case SW_SHOW:
1094 if (wasVisible) return TRUE;
1095 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1096 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1097 break;
1098
1099 case SW_SHOWNOACTIVATE:
1100 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1101 /* fall through */
1102 case SW_RESTORE:
1103 /* fall through */
1104 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1105 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1106 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1107 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1108 {
1109 swp |= SWP_FRAMECHANGED;
1110 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1111 }
1112 else
1113 {
1114 if (wasVisible) return TRUE;
1115 swp |= SWP_NOSIZE | SWP_NOMOVE;
1116 }
1117 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1118 break;
1119 default:
1120 return wasVisible;
1121 }
1122
1123 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1124 {
1125 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1126 if (!IsWindow( hwnd )) return wasVisible;
1127 }
1128
1129 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1130
1131 parent = GetAncestor( hwnd, GA_PARENT );
1132 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1133 {
1134 /* if parent is not visible simply toggle WS_VISIBLE and return */
1135 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1136 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1137 }
1138 else
1139 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1140 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1141
1142 if (cmd == SW_HIDE)
1143 {
1144 HWND hFocus;
1145
1146 WINPOS_ShowIconTitle( hwnd, FALSE );
1147
1148 /* FIXME: This will cause the window to be activated irrespective
1149 * of whether it is owned by the same thread. Has to be done
1150 * asynchronously.
1151 */
1152
1153 if (hwnd == GetActiveWindow())
1154 WINPOS_ActivateOtherWindow(hwnd);
1155
1156 /* Revert focus to parent */
1157 hFocus = GetFocus();
1158 if (hwnd == hFocus)
1159 {
1160 HWND parent = GetAncestor(hwnd, GA_PARENT);
1161 if (parent == GetDesktopWindow()) parent = 0;
1162 SetFocus(parent);
1163 }
1164 return wasVisible;
1165 }
1166
1167 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1168
1169 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1170
1171 if (wndPtr->flags & WIN_NEED_SIZE)
1172 {
1173 /* should happen only in CreateWindowEx() */
1174 int wParam = SIZE_RESTORED;
1175 RECT client;
1176 LPARAM lparam;
1177
1178 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &client );
1179 lparam = MAKELONG( client.right - client.left, client.bottom - client.top );
1180 wndPtr->flags &= ~WIN_NEED_SIZE;
1181 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1182 else if (wndPtr->dwStyle & WS_MINIMIZE)
1183 {
1184 wParam = SIZE_MINIMIZED;
1185 lparam = 0;
1186 }
1187 WIN_ReleasePtr( wndPtr );
1188
1189 SendMessageW( hwnd, WM_SIZE, wParam, lparam );
1190 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1191 }
1192 else WIN_ReleasePtr( wndPtr );
1193
1194 /* if previous state was minimized Windows sets focus to the window */
1195 if (style & WS_MINIMIZE) SetFocus( hwnd );
1196
1197 return wasVisible;
1198 }
1199
1200
1201 /***********************************************************************
1202 * ShowWindowAsync (USER32.@)
1203 *
1204 * doesn't wait; returns immediately.
1205 * used by threads to toggle windows in other (possibly hanging) threads
1206 */
1207 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1208 {
1209 HWND full_handle;
1210
1211 if (is_broadcast(hwnd))
1212 {
1213 SetLastError( ERROR_INVALID_PARAMETER );
1214 return FALSE;
1215 }
1216
1217 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1218 return show_window( full_handle, cmd );
1219
1220 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1221 }
1222
1223
1224 /***********************************************************************
1225 * ShowWindow (USER32.@)
1226 */
1227 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1228 {
1229 HWND full_handle;
1230
1231 if (is_broadcast(hwnd))
1232 {
1233 SetLastError( ERROR_INVALID_PARAMETER );
1234 return FALSE;
1235 }
1236 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1237 return show_window( full_handle, cmd );
1238
1239 if ((cmd == SW_HIDE) && !(GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE))
1240 return FALSE;
1241
1242 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1243 }
1244
1245
1246 /***********************************************************************
1247 * GetInternalWindowPos (USER32.@)
1248 */
1249 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1250 LPPOINT ptIcon )
1251 {
1252 WINDOWPLACEMENT wndpl;
1253 if (GetWindowPlacement( hwnd, &wndpl ))
1254 {
1255 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1256 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1257 return wndpl.showCmd;
1258 }
1259 return 0;
1260 }
1261
1262
1263 /***********************************************************************
1264 * GetWindowPlacement (USER32.@)
1265 *
1266 * Win95:
1267 * Fails if wndpl->length of Win95 (!) apps is invalid.
1268 */
1269 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1270 {
1271 WND *pWnd = WIN_GetPtr( hwnd );
1272
1273 if (!pWnd) return FALSE;
1274
1275 if (pWnd == WND_DESKTOP)
1276 {
1277 wndpl->length = sizeof(*wndpl);
1278 wndpl->showCmd = SW_SHOWNORMAL;
1279 wndpl->flags = 0;
1280 wndpl->ptMinPosition.x = -1;
1281 wndpl->ptMinPosition.y = -1;
1282 wndpl->ptMaxPosition.x = -1;
1283 wndpl->ptMaxPosition.y = -1;
1284 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1285 return TRUE;
1286 }
1287 if (pWnd == WND_OTHER_PROCESS)
1288 {
1289 if (!IsWindow( hwnd )) return FALSE;
1290 FIXME( "not supported on other process window %p\n", hwnd );
1291 /* provide some dummy information */
1292 wndpl->length = sizeof(*wndpl);
1293 wndpl->showCmd = SW_SHOWNORMAL;
1294 wndpl->flags = 0;
1295 wndpl->ptMinPosition.x = -1;
1296 wndpl->ptMinPosition.y = -1;
1297 wndpl->ptMaxPosition.x = -1;
1298 wndpl->ptMaxPosition.y = -1;
1299 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1300 return TRUE;
1301 }
1302
1303 /* update the placement according to the current style */
1304 if (pWnd->dwStyle & WS_MINIMIZE)
1305 {
1306 pWnd->min_pos.x = pWnd->rectWindow.left;
1307 pWnd->min_pos.y = pWnd->rectWindow.top;
1308 }
1309 else if (pWnd->dwStyle & WS_MAXIMIZE)
1310 {
1311 pWnd->max_pos.x = pWnd->rectWindow.left;
1312 pWnd->max_pos.y = pWnd->rectWindow.top;
1313 }
1314 else
1315 {
1316 pWnd->normal_rect = pWnd->rectWindow;
1317 }
1318
1319 wndpl->length = sizeof(*wndpl);
1320 if( pWnd->dwStyle & WS_MINIMIZE )
1321 wndpl->showCmd = SW_SHOWMINIMIZED;
1322 else
1323 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1324 if( pWnd->flags & WIN_RESTORE_MAX )
1325 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1326 else
1327 wndpl->flags = 0;
1328 wndpl->ptMinPosition = pWnd->min_pos;
1329 wndpl->ptMaxPosition = pWnd->max_pos;
1330 wndpl->rcNormalPosition = pWnd->normal_rect;
1331 WIN_ReleasePtr( pWnd );
1332
1333 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1334 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1335 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1336 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1337 return TRUE;
1338 }
1339
1340 /* make sure the specified rect is visible on screen */
1341 static void make_rect_onscreen( RECT *rect )
1342 {
1343 MONITORINFO info;
1344 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1345
1346 info.cbSize = sizeof(info);
1347 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1348 /* FIXME: map coordinates from rcWork to rcMonitor */
1349 if (rect->right <= info.rcWork.left)
1350 {
1351 rect->right += info.rcWork.left - rect->left;
1352 rect->left = info.rcWork.left;
1353 }
1354 else if (rect->left >= info.rcWork.right)
1355 {
1356 rect->left += info.rcWork.right - rect->right;
1357 rect->right = info.rcWork.right;
1358 }
1359 if (rect->bottom <= info.rcWork.top)
1360 {
1361 rect->bottom += info.rcWork.top - rect->top;
1362 rect->top = info.rcWork.top;
1363 }
1364 else if (rect->top >= info.rcWork.bottom)
1365 {
1366 rect->top += info.rcWork.bottom - rect->bottom;
1367 rect->bottom = info.rcWork.bottom;
1368 }
1369 }
1370
1371 /* make sure the specified point is visible on screen */
1372 static void make_point_onscreen( POINT *pt )
1373 {
1374 RECT rect;
1375
1376 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1377 make_rect_onscreen( &rect );
1378 pt->x = rect.left;
1379 pt->y = rect.top;
1380 }
1381
1382
1383 /***********************************************************************
1384 * WINPOS_SetPlacement
1385 */
1386 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1387 {
1388 DWORD style;
1389 WND *pWnd = WIN_GetPtr( hwnd );
1390 WINDOWPLACEMENT wp = *wndpl;
1391
1392 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1393 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1394 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1395
1396 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1397 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1398 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1399 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1400 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1401 wine_dbgstr_rect(&wp.rcNormalPosition) );
1402
1403 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1404
1405 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1406 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1407 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1408
1409 style = pWnd->dwStyle;
1410
1411 WIN_ReleasePtr( pWnd );
1412
1413 if( style & WS_MINIMIZE )
1414 {
1415 if (flags & PLACE_MIN)
1416 {
1417 WINPOS_ShowIconTitle( hwnd, FALSE );
1418 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1419 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1420 }
1421 }
1422 else if( style & WS_MAXIMIZE )
1423 {
1424 if (flags & PLACE_MAX)
1425 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1426 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1427 }
1428 else if( flags & PLACE_RECT )
1429 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1430 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1431 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1432 SWP_NOZORDER | SWP_NOACTIVATE );
1433
1434 ShowWindow( hwnd, wndpl->showCmd );
1435
1436 if (IsIconic( hwnd ))
1437 {
1438 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1439
1440 /* SDK: ...valid only the next time... */
1441 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1442 win_set_flags( hwnd, WIN_RESTORE_MAX, 0 );
1443 }
1444 return TRUE;
1445 }
1446
1447
1448 /***********************************************************************
1449 * SetWindowPlacement (USER32.@)
1450 *
1451 * Win95:
1452 * Fails if wndpl->length of Win95 (!) apps is invalid.
1453 */
1454 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1455 {
1456 UINT flags = PLACE_MAX | PLACE_RECT;
1457 if (!wpl) return FALSE;
1458 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1459 return WINPOS_SetPlacement( hwnd, wpl, flags );
1460 }
1461
1462
1463 /***********************************************************************
1464 * AnimateWindow (USER32.@)
1465 * Shows/Hides a window with an animation
1466 * NO ANIMATION YET
1467 */
1468 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1469 {
1470 FIXME("partial stub\n");
1471
1472 /* If trying to show/hide and it's already *
1473 * shown/hidden or invalid window, fail with *
1474 * invalid parameter */
1475 if(!IsWindow(hwnd) ||
1476 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1477 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1478 {
1479 SetLastError(ERROR_INVALID_PARAMETER);
1480 return FALSE;
1481 }
1482
1483 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1484
1485 return TRUE;
1486 }
1487
1488 /***********************************************************************
1489 * SetInternalWindowPos (USER32.@)
1490 */
1491 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1492 LPRECT rect, LPPOINT pt )
1493 {
1494 WINDOWPLACEMENT wndpl;
1495 UINT flags;
1496
1497 wndpl.length = sizeof(wndpl);
1498 wndpl.showCmd = showCmd;
1499 wndpl.flags = flags = 0;
1500
1501 if( pt )
1502 {
1503 flags |= PLACE_MIN;
1504 wndpl.flags |= WPF_SETMINPOSITION;
1505 wndpl.ptMinPosition = *pt;
1506 }
1507 if( rect )
1508 {
1509 flags |= PLACE_RECT;
1510 wndpl.rcNormalPosition = *rect;
1511 }
1512 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1513 }
1514
1515
1516 /*******************************************************************
1517 * can_activate_window
1518 *
1519 * Check if we can activate the specified window.
1520 */
1521 static BOOL can_activate_window( HWND hwnd )
1522 {
1523 LONG style;
1524
1525 if (!hwnd) return FALSE;
1526 style = GetWindowLongW( hwnd, GWL_STYLE );
1527 if (!(style & WS_VISIBLE)) return FALSE;
1528 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1529 return !(style & WS_DISABLED);
1530 }
1531
1532
1533 /*******************************************************************
1534 * WINPOS_ActivateOtherWindow
1535 *
1536 * Activates window other than pWnd.
1537 */
1538 void WINPOS_ActivateOtherWindow(HWND hwnd)
1539 {
1540 HWND hwndTo, fg;
1541
1542 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1543 {
1544 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1545 if (can_activate_window( hwndTo )) goto done;
1546 }
1547
1548 hwndTo = hwnd;
1549 for (;;)
1550 {
1551 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1552 if (can_activate_window( hwndTo )) goto done;
1553 }
1554
1555 hwndTo = GetTopWindow( 0 );
1556 for (;;)
1557 {
1558 if (hwndTo == hwnd)
1559 {
1560 hwndTo = 0;
1561 break;
1562 }
1563 if (can_activate_window( hwndTo )) goto done;
1564 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1565 }
1566
1567 done:
1568 fg = GetForegroundWindow();
1569 TRACE("win = %p fg = %p\n", hwndTo, fg);
1570 if (!fg || (hwnd == fg))
1571 {
1572 if (SetForegroundWindow( hwndTo )) return;
1573 }
1574 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1575 }
1576
1577
1578 /***********************************************************************
1579 * WINPOS_HandleWindowPosChanging
1580 *
1581 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1582 */
1583 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1584 {
1585 POINT minTrack, maxTrack;
1586 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1587
1588 if (winpos->flags & SWP_NOSIZE) return 0;
1589 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1590 {
1591 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1592 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1593 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1594 if (!(style & WS_MINIMIZE))
1595 {
1596 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1597 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1598 }
1599 }
1600 return 0;
1601 }
1602
1603
1604 /***********************************************************************
1605 * dump_winpos_flags
1606 */
1607 static void dump_winpos_flags(UINT flags)
1608 {
1609 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1610 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1611 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1612 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1613 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1614 TRACE("flags:");
1615 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1616 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1617 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1618 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1619 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1620 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1621 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1622 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1623 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1624 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1625 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1626 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1627 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1628 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1629 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1630 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1631
1632 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1633 TRACE("\n");
1634 }
1635
1636 /***********************************************************************
1637 * SWP_DoWinPosChanging
1638 */
1639 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1640 {
1641 WND *wndPtr;
1642 RECT window_rect, client_rect;
1643
1644 /* Send WM_WINDOWPOSCHANGING message */
1645
1646 if (!(pWinpos->flags & SWP_NOSENDCHANGING)
1647 && !((pWinpos->flags & SWP_AGG_NOCLIENTCHANGE) && (pWinpos->flags & SWP_SHOWWINDOW)))
1648 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1649
1650 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1651 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1652
1653 /* Calculate new position and size */
1654
1655 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1656 *pNewWindowRect = window_rect;
1657 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? window_rect : client_rect;
1658
1659 if (!(pWinpos->flags & SWP_NOSIZE))
1660 {
1661 if (wndPtr->dwStyle & WS_MINIMIZE)
1662 {
1663 pNewWindowRect->right = pNewWindowRect->left + GetSystemMetrics(SM_CXICON);
1664 pNewWindowRect->bottom = pNewWindowRect->top + GetSystemMetrics(SM_CYICON);
1665 }
1666 else
1667 {
1668 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1669 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1670 }
1671 }
1672 if (!(pWinpos->flags & SWP_NOMOVE))
1673 {
1674 pNewWindowRect->left = pWinpos->x;
1675 pNewWindowRect->top = pWinpos->y;
1676 pNewWindowRect->right += pWinpos->x - window_rect.left;
1677 pNewWindowRect->bottom += pWinpos->y - window_rect.top;
1678
1679 OffsetRect( pNewClientRect, pWinpos->x - window_rect.left,
1680 pWinpos->y - window_rect.top );
1681 }
1682 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1683
1684 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1685 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1686 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1687 TRACE( "current %s style %08x new %s\n",
1688 wine_dbgstr_rect( &window_rect ), wndPtr->dwStyle,
1689 wine_dbgstr_rect( pNewWindowRect ));
1690
1691 WIN_ReleasePtr( wndPtr );
1692 return TRUE;
1693 }
1694
1695 /***********************************************************************
1696 * get_valid_rects
1697 *
1698 * Compute the valid rects from the old and new client rect and WVR_* flags.
1699 * Helper for WM_NCCALCSIZE handling.
1700 */
1701 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1702 RECT *valid )
1703 {
1704 int cx, cy;
1705
1706 if (flags & WVR_REDRAW)
1707 {
1708 SetRectEmpty( &valid[0] );
1709 SetRectEmpty( &valid[1] );
1710 return;
1711 }
1712
1713 if (flags & WVR_VALIDRECTS)
1714 {
1715 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1716 !IntersectRect( &valid[1], &valid[1], old_client ))
1717 {
1718 SetRectEmpty( &valid[0] );
1719 SetRectEmpty( &valid[1] );
1720 return;
1721 }
1722 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1723 }
1724 else
1725 {
1726 valid[0] = *new_client;
1727 valid[1] = *old_client;
1728 }
1729
1730 /* make sure the rectangles have the same size */
1731 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1732 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1733
1734 if (flags & WVR_ALIGNBOTTOM)
1735 {
1736 valid[0].top = valid[0].bottom - cy;
1737 valid[1].top = valid[1].bottom - cy;
1738 }
1739 else
1740 {
1741 valid[0].bottom = valid[0].top + cy;
1742 valid[1].bottom = valid[1].top + cy;
1743 }
1744 if (flags & WVR_ALIGNRIGHT)
1745 {
1746 valid[0].left = valid[0].right - cx;
1747 valid[1].left = valid[1].right - cx;
1748 }
1749 else
1750 {
1751 valid[0].right = valid[0].left + cx;
1752 valid[1].right = valid[1].left + cx;
1753 }
1754 }
1755
1756
1757 /***********************************************************************
1758 * SWP_DoOwnedPopups
1759 *
1760 * fix Z order taking into account owned popups -
1761 * basically we need to maintain them above the window that owns them
1762 *
1763 * FIXME: hide/show owned popups when owner visibility changes.
1764 */
1765 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1766 {
1767 HWND owner, *list = NULL;
1768 unsigned int i;
1769
1770 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1771
1772 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return hwndInsertAfter;
1773
1774 if ((owner = GetWindow( hwnd, GW_OWNER )))
1775 {
1776 /* make sure this popup stays above the owner */
1777
1778 if (hwndInsertAfter != HWND_TOPMOST)
1779 {
1780 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1781
1782 for (i = 0; list[i]; i++)
1783 {
1784 BOOL topmost = (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
1785
1786 if (list[i] == owner)
1787 {
1788 if (i > 0) hwndInsertAfter = list[i-1];
1789 else hwndInsertAfter = topmost ? HWND_TOPMOST : HWND_TOP;
1790 break;
1791 }
1792
1793 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1794 {
1795 if (!topmost) break;
1796 }
1797 else if (list[i] == hwndInsertAfter) break;
1798 }
1799 }
1800 }
1801
1802 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1803 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1804
1805 i = 0;
1806 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1807 {
1808 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1809 {
1810 /* skip all the topmost windows */
1811 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1812 }
1813 }
1814 else if (hwndInsertAfter != HWND_TOPMOST)
1815 {
1816 /* skip windows that are already placed correctly */
1817 for (i = 0; list[i]; i++)
1818 {
1819 if (list[i] == hwndInsertAfter) break;
1820 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1821 }
1822 }
1823
1824 for ( ; list[i]; i++)
1825 {
1826 if (list[i] == hwnd) break;
1827 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1828 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1829 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1830 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1831 hwndInsertAfter = list[i];
1832 }
1833
1834 done:
1835 HeapFree( GetProcessHeap(), 0, list );
1836 return hwndInsertAfter;
1837 }
1838
1839 /***********************************************************************
1840 * SWP_DoNCCalcSize
1841 */
1842 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1843 RECT *validRects )
1844 {
1845 UINT wvrFlags = 0;
1846 RECT window_rect, client_rect;
1847
1848 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1849
1850 /* Send WM_NCCALCSIZE message to get new client area */
1851 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1852 {
1853 NCCALCSIZE_PARAMS params;
1854 WINDOWPOS winposCopy;
1855
1856 params.rgrc[0] = *pNewWindowRect;
1857 params.rgrc[1] = window_rect;
1858 params.rgrc[2] = client_rect;
1859 params.lppos = &winposCopy;
1860 winposCopy = *pWinpos;
1861
1862 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1863
1864 *pNewClientRect = params.rgrc[0];
1865
1866 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1867 wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(&client_rect),
1868 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1869
1870 if( pNewClientRect->left != client_rect.left ||
1871 pNewClientRect->top != client_rect.top )
1872 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1873
1874 if( (pNewClientRect->right - pNewClientRect->left !=
1875 client_rect.right - client_rect.left))
1876 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1877 else
1878 wvrFlags &= ~WVR_HREDRAW;
1879
1880 if (pNewClientRect->bottom - pNewClientRect->top !=
1881 client_rect.bottom - client_rect.top)
1882 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1883 else
1884 wvrFlags &= ~WVR_VREDRAW;
1885
1886 validRects[0] = params.rgrc[1];
1887 validRects[1] = params.rgrc[2];
1888 }
1889 else
1890 {
1891 if (!(pWinpos->flags & SWP_NOMOVE) &&
1892 (pNewClientRect->left != client_rect.left ||
1893 pNewClientRect->top != client_rect.top))
1894 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1895 }
1896
1897 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1898 {
1899 SetRectEmpty( &validRects[0] );
1900 SetRectEmpty( &validRects[1] );
1901 }
1902 else get_valid_rects( &client_rect, pNewClientRect, wvrFlags, validRects );
1903
1904 return wvrFlags;
1905 }
1906
1907 /* fix redundant flags and values in the WINDOWPOS structure */
1908 static BOOL fixup_flags( WINDOWPOS *winpos )
1909 {
1910 HWND parent;
1911 RECT window_rect;
1912 POINT pt;
1913 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1914 BOOL ret = TRUE;
1915
1916 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1917 {
1918 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1919 return FALSE;
1920 }
1921 winpos->hwnd = wndPtr->obj.handle; /* make it a full handle */
1922
1923 /* Finally make sure that all coordinates are valid */
1924 if (winpos->x < -32768) winpos->x = -32768;
1925 else if (winpos->x > 32767) winpos->x = 32767;
1926 if (winpos->y < -32768) winpos->y = -32768;
1927 else if (winpos->y > 32767) winpos->y = 32767;
1928
1929 if (winpos->cx < 0) winpos->cx = 0;
1930 else if (winpos->cx > 32767) winpos->cx = 32767;
1931 if (winpos->cy < 0) winpos->cy = 0;
1932 else if (winpos->cy > 32767) winpos->cy = 32767;
1933
1934 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1935 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1936
1937 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1938 else
1939 {
1940 winpos->flags &= ~SWP_HIDEWINDOW;
1941 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1942 }
1943
1944 WIN_GetRectangles( winpos->hwnd, COORDS_SCREEN, &window_rect, NULL );
1945 if ((window_rect.right - window_rect.left == winpos->cx) &&
1946 (window_rect.bottom - window_rect.top == winpos->cy))
1947 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1948
1949 pt.x = winpos->x;
1950 pt.y = winpos->y;
1951 ClientToScreen( parent, &pt );
1952 if ((window_rect.left == pt.x) && (window_rect.top == pt.y))
1953 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1954
1955 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1956 {
1957 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1958 (winpos->flags & SWP_NOZORDER ||
1959 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1960 {
1961 winpos->flags &= ~SWP_NOZORDER;
1962 winpos->hwndInsertAfter = HWND_TOP;
1963 }
1964 }
1965
1966 /* Check hwndInsertAfter */
1967 if (winpos->flags & SWP_NOZORDER) goto done;
1968
1969 if (winpos->hwndInsertAfter == HWND_TOP)
1970 {
1971 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1972 winpos->flags |= SWP_NOZORDER;
1973 }
1974 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1975 {
1976 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1977 winpos->flags |= SWP_NOZORDER;
1978 }
1979 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1980 {
1981 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1982 winpos->flags |= SWP_NOZORDER;
1983 }
1984 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1985 {
1986 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1987 winpos->flags |= SWP_NOZORDER;
1988 }
1989 else
1990 {
1991 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1992 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1993 winpos->flags |= SWP_NOZORDER;
1994 }
1995 done:
1996 WIN_ReleasePtr( wndPtr );
1997 return ret;
1998 }
1999
2000
2001 /***********************************************************************
2002 * update_surface_region
2003 */
2004 static void update_surface_region( HWND hwnd )
2005 {
2006 NTSTATUS status;
2007 HRGN region = 0;
2008 RGNDATA *data;
2009 size_t size = 256;
2010 WND *win = WIN_GetPtr( hwnd );
2011
2012 if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
2013 if (!win->surface) goto done;
2014
2015 do
2016 {
2017 if (!(data = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( RGNDATA, Buffer[size] )))) goto done;
2018
2019 SERVER_START_REQ( get_surface_region )
2020 {
2021 req->window = wine_server_user_handle( hwnd );
2022 wine_server_set_reply( req, data->Buffer, size );
2023 if (!(status = wine_server_call( req )))
2024 {
2025 size_t reply_size = wine_server_reply_size( reply );
2026 if (reply_size)
2027 {
2028 data->rdh.dwSize = sizeof(data->rdh);
2029 data->rdh.iType = RDH_RECTANGLES;
2030 data->rdh.nCount = reply_size / sizeof(RECT);
2031 data->rdh.nRgnSize = reply_size;
2032 region = ExtCreateRegion( NULL, data->rdh.dwSize + data->rdh.nRgnSize, data );
2033 OffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top );
2034 }
2035 }
2036 else size = reply->total_size;
2037 }
2038 SERVER_END_REQ;
2039 HeapFree( GetProcessHeap(), 0, data );
2040 } while (status == STATUS_BUFFER_OVERFLOW);
2041
2042 if (status) goto done;
2043
2044 win->surface->funcs->set_region( win->surface, region );
2045 if (region) DeleteObject( region );
2046
2047 done:
2048 WIN_ReleasePtr( win );
2049 }
2050
2051
2052 /***********************************************************************
2053 * set_window_pos
2054 *
2055 * Backend implementation of SetWindowPos.
2056 */
2057 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
2058 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
2059 {
2060 WND *win;
2061 HWND surface_win = 0, parent = GetAncestor( hwnd, GA_PARENT );
2062 BOOL ret;
2063 int old_width;
2064 RECT visible_rect, old_visible_rect, old_window_rect;
2065 struct window_surface *old_surface, *new_surface = NULL;
2066
2067 if (!parent || parent == GetDesktopWindow())
2068 {
2069 new_surface = &dummy_surface; /* provide a default surface for top-level windows */
2070 window_surface_add_ref( new_surface );
2071 }
2072 visible_rect = *window_rect;
2073 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
2074 window_rect, client_rect, &visible_rect, &new_surface );
2075
2076 WIN_GetRectangles( hwnd, COORDS_SCREEN, &old_window_rect, NULL );
2077
2078 if (!(win = WIN_GetPtr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS)
2079 {
2080 if (new_surface) window_surface_release( new_surface );
2081 return FALSE;
2082 }
2083 old_width = win->rectClient.right - win->rectClient.left;
2084 old_visible_rect = win->visible_rect;
2085 old_surface = win->surface;
2086 if (old_surface != new_surface) swp_flags |= SWP_FRAMECHANGED; /* force refreshing non-client area */
2087
2088 SERVER_START_REQ( set_window_pos )
2089 {
2090 req->handle = wine_server_user_handle( hwnd );
2091 req->previous = wine_server_user_handle( insert_after );
2092 req->swp_flags = swp_flags;
2093 req->window.left = window_rect->left;
2094 req->window.top = window_rect->top;
2095 req->window.right = window_rect->right;
2096 req->window.bottom = window_rect->bottom;
2097 req->client.left = client_rect->left;
2098 req->client.top = client_rect->top;
2099 req->client.right = client_rect->right;
2100 req->client.bottom = client_rect->bottom;
2101 if (!EqualRect( window_rect, &visible_rect ) || !IsRectEmpty( &valid_rects[0] ))
2102 {
2103 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
2104 if (!IsRectEmpty( &valid_rects[0] ))
2105 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
2106 }
2107 if (new_surface) req->paint_flags |= SET_WINPOS_PAINT_SURFACE;
2108 if (win->pixel_format) req->paint_flags |= SET_WINPOS_PIXEL_FORMAT;
2109
2110 if ((ret = !wine_server_call( req )))
2111 {
2112 win->dwStyle = reply->new_style;
2113 win->dwExStyle = reply->new_ex_style;
2114 win->rectWindow = *window_rect;
2115 win->rectClient = *client_rect;
2116 win->visible_rect = visible_rect;
2117 win->surface = new_surface;
2118 surface_win = wine_server_ptr_handle( reply->surface_win );
2119 if (GetWindowLongW( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
2120 {
2121 RECT client;
2122 GetClientRect( win->parent, &client );
2123 mirror_rect( &client, &win->rectWindow );
2124 mirror_rect( &client, &win->rectClient );
2125 mirror_rect( &client, &win->visible_rect );
2126 }
2127 /* if an RTL window is resized the children have moved */
2128 if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_width)
2129 win->flags |= WIN_CHILDREN_MOVED;
2130 }
2131 }
2132 SERVER_END_REQ;
2133
2134 if (ret)
2135 {
2136 if (surface_win) update_surface_region( surface_win );
2137 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
2138 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED | SWP_FRAMECHANGED)))
2139 invalidate_dce( win, &old_window_rect );
2140 }
2141
2142 WIN_ReleasePtr( win );
2143
2144 if (ret)
2145 {
2146 TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface );
2147 register_window_surface( old_surface, new_surface );
2148 if (old_surface)
2149 {
2150 if (!IsRectEmpty( valid_rects ))
2151 {
2152 move_window_bits( hwnd, old_surface, new_surface, &visible_rect,
2153 &old_visible_rect, client_rect, valid_rects );
2154 valid_rects = NULL; /* prevent the driver from trying to also move the bits */
2155 }
2156 window_surface_release( old_surface );
2157 }
2158 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
2159 client_rect, &visible_rect, valid_rects, new_surface );
2160 }
2161 else if (new_surface) window_surface_release( new_surface );
2162
2163 return ret;
2164 }
2165
2166
2167 /***********************************************************************
2168 * USER_SetWindowPos
2169 *
2170 * User32 internal function
2171 */
2172 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
2173 {
2174 RECT newWindowRect, newClientRect, valid_rects[2];
2175 UINT orig_flags;
2176
2177 orig_flags = winpos->flags;
2178
2179 /* First, check z-order arguments. */
2180 if (!(winpos->flags & SWP_NOZORDER))
2181 {
2182 /* fix sign extension */
2183 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
2184 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
2185
2186 if (!(winpos->hwndInsertAfter == HWND_TOP ||
2187 winpos->hwndInsertAfter == HWND_BOTTOM ||
2188 winpos->hwndInsertAfter == HWND_TOPMOST ||
2189 winpos->hwndInsertAfter == HWND_NOTOPMOST))
2190 {
2191 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2192 HWND insertafter_parent = GetAncestor( winpos->hwndInsertAfter, GA_PARENT );
2193
2194 /* hwndInsertAfter must be a sibling of the window */
2195 if (!insertafter_parent) return FALSE;
2196 if (insertafter_parent != parent) return TRUE;
2197 }
2198 }
2199
2200 /* Make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
2201 if (!(winpos->flags & SWP_NOMOVE))
2202 {
2203 if (winpos->x < -32768) winpos->x = -32768;
2204 else if (winpos->x > 32767) winpos->x = 32767;
2205 if (winpos->y < -32768) winpos->y = -32768;
2206 else if (winpos->y > 32767) winpos->y = 32767;
2207 }
2208 if (!(winpos->flags & SWP_NOSIZE))
2209 {
2210 if (winpos->cx < 0) winpos->cx = 0;
2211 else if (winpos->cx > 32767) winpos->cx = 32767;
2212 if (winpos->cy < 0) winpos->cy = 0;
2213 else if (winpos->cy > 32767) winpos->cy = 32767;
2214 }
2215
2216 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
2217
2218 /* Fix redundant flags */
2219 if (!fixup_flags( winpos )) return FALSE;
2220
2221 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
2222 {
2223 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
2224 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2225 }
2226
2227 /* Common operations */
2228
2229 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2230
2231 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2232 &newWindowRect, &newClientRect, valid_rects ))
2233 return FALSE;
2234
2235
2236
2237 if( winpos->flags & SWP_HIDEWINDOW )
2238 HideCaret(winpos->hwnd);
2239 else if (winpos->flags & SWP_SHOWWINDOW)
2240 ShowCaret(winpos->hwnd);
2241
2242 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2243 {
2244 /* child windows get WM_CHILDACTIVATE message */
2245 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2246 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2247 else
2248 SetForegroundWindow( winpos->hwnd );
2249 }
2250
2251 if(!(orig_flags & SWP_DEFERERASE))
2252 {
2253 /* erase parent when hiding or resizing child */
2254 if ((orig_flags & SWP_HIDEWINDOW) ||
2255 (!(orig_flags & SWP_SHOWWINDOW) &&
2256 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE))
2257 {
2258 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2259 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2260 erase_now( parent, 0 );
2261 }
2262
2263 /* Give newly shown windows a chance to redraw */
2264 if(((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE)
2265 && !(orig_flags & SWP_AGG_NOCLIENTCHANGE) && (orig_flags & SWP_SHOWWINDOW))
2266 {
2267 erase_now(winpos->hwnd, 0);
2268 }
2269 }
2270
2271 /* And last, send the WM_WINDOWPOSCHANGED message */
2272
2273 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2274
2275 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE)
2276 && !((orig_flags & SWP_AGG_NOCLIENTCHANGE) && (orig_flags & SWP_SHOWWINDOW)))
2277 {
2278 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2279 and always contains final window position.
2280 */
2281 winpos->x = newWindowRect.left;
2282 winpos->y = newWindowRect.top;
2283 winpos->cx = newWindowRect.right - newWindowRect.left;
2284 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2285 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2286 }
2287 return TRUE;
2288 }
2289
2290 /***********************************************************************
2291 * SetWindowPos (USER32.@)
2292 */
2293 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2294 INT x, INT y, INT cx, INT cy, UINT flags )
2295 {
2296 WINDOWPOS winpos;
2297
2298 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2299 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2300 if(TRACE_ON(win)) dump_winpos_flags(flags);
2301
2302 if (is_broadcast(hwnd))
2303 {
2304 SetLastError( ERROR_INVALID_PARAMETER );
2305 return FALSE;
2306 }
2307
2308 winpos.hwnd = WIN_GetFullHandle(hwnd);
2309 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2310 winpos.x = x;
2311 winpos.y = y;
2312 winpos.cx = cx;
2313 winpos.cy = cy;
2314 winpos.flags = flags;
2315
2316 if (WIN_IsCurrentThread( hwnd ))
2317 return USER_SetWindowPos(&winpos);
2318
2319 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2320 }
2321
2322
2323 /***********************************************************************
2324 * BeginDeferWindowPos (USER32.@)
2325 */
2326 HDWP WINAPI BeginDeferWindowPos( INT count )
2327 {
2328 HDWP handle = 0;
2329 DWP *pDWP;
2330
2331 TRACE("%d\n", count);
2332
2333 if (count < 0)
2334 {
2335 SetLastError(ERROR_INVALID_PARAMETER);
2336 return 0;
2337 }
2338 /* Windows allows zero count, in which case it allocates context for 8 moves */
2339 if (count == 0) count = 8;
2340
2341 if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
2342
2343 pDWP->actualCount = 0;
2344 pDWP->suggestedCount = count;
2345 pDWP->hwndParent = 0;
2346
2347 if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
2348 !(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
2349 {
2350 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2351 HeapFree( GetProcessHeap(), 0, pDWP );
2352 }
2353
2354 TRACE("returning hdwp %p\n", handle);
2355 return handle;
2356 }
2357
2358
2359 /***********************************************************************
2360 * DeferWindowPos (USER32.@)
2361 */
2362 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2363 INT x, INT y, INT cx, INT cy,
2364 UINT flags )
2365 {
2366 DWP *pDWP;
2367 int i;
2368 HDWP retvalue = hdwp;
2369
2370 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2371 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2372
2373 hwnd = WIN_GetFullHandle( hwnd );
2374 if (is_desktop_window( hwnd ) || !IsWindow( hwnd ))
2375 {
2376 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
2377 return 0;
2378 }
2379
2380 if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
2381 if (pDWP == OBJ_OTHER_PROCESS)
2382 {
2383 FIXME( "other process handle %p?\n", hdwp );
2384 return 0;
2385 }
2386
2387 for (i = 0; i < pDWP->actualCount; i++)
2388 {
2389 if (pDWP->winPos[i].hwnd == hwnd)
2390 {
2391 /* Merge with the other changes */
2392 if (!(flags & SWP_NOZORDER))
2393 {
2394 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2395 }
2396 if (!(flags & SWP_NOMOVE))
2397 {
2398 pDWP->winPos[i].x = x;
2399 pDWP->winPos[i].y = y;
2400 }
2401 if (!(flags & SWP_NOSIZE))
2402 {
2403 pDWP->winPos[i].cx = cx;
2404 pDWP->winPos[i].cy = cy;
2405 }
2406 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2407 SWP_NOZORDER | SWP_NOREDRAW |
2408 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2409 SWP_NOOWNERZORDER);
2410 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2411 SWP_FRAMECHANGED);
2412 goto END;
2413 }
2414 }
2415 if (pDWP->actualCount >= pDWP->suggestedCount)
2416 {
2417 WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
2418 pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
2419 if (!newpos)
2420 {
2421 retvalue = 0;
2422 goto END;
2423 }
2424 pDWP->suggestedCount *= 2;
2425 pDWP->winPos = newpos;
2426 }
2427 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2428 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2429 pDWP->winPos[pDWP->actualCount].x = x;
2430 pDWP->winPos[pDWP->actualCount].y = y;
2431 pDWP->winPos[pDWP->actualCount].cx = cx;
2432 pDWP->winPos[pDWP->actualCount].cy = cy;
2433 pDWP->winPos[pDWP->actualCount].flags = flags;
2434 pDWP->actualCount++;
2435 END:
2436 release_user_handle_ptr( pDWP );
2437 return retvalue;
2438 }
2439
2440
2441 /***********************************************************************
2442 * EndDeferWindowPos (USER32.@)
2443 */
2444 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2445 {
2446 DWP *pDWP;
2447 WINDOWPOS *winpos;
2448 int i;
2449
2450 TRACE("%p\n", hdwp);
2451
2452 if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
2453 if (pDWP == OBJ_OTHER_PROCESS)
2454 {
2455 FIXME( "other process handle %p?\n", hdwp );
2456 return FALSE;
2457 }
2458
2459 for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2460 {
2461 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2462 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2463 winpos->cx, winpos->cy, winpos->flags);
2464
2465 if (WIN_IsCurrentThread( winpos->hwnd ))
2466 USER_SetWindowPos( winpos );
2467 else
2468 SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2469 }
2470 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2471 HeapFree( GetProcessHeap(), 0, pDWP );
2472 return TRUE;
2473 }
2474
2475
2476 /***********************************************************************
2477 * ArrangeIconicWindows (USER32.@)
2478 */
2479 UINT WINAPI ArrangeIconicWindows( HWND parent )
2480 {
2481 RECT rectParent;
2482 HWND hwndChild;
2483 INT x, y, xspacing, yspacing;
2484 POINT pt;
2485 MINIMIZEDMETRICS metrics;
2486
2487 metrics.cbSize = sizeof(metrics);
2488 SystemParametersInfoW( SPI_GETMINIMIZEDMETRICS, sizeof(metrics), &metrics, 0 );
2489
2490 if (parent == GetDesktopWindow())
2491 {
2492 MONITORINFO mon_info;
2493 HMONITOR monitor = MonitorFromWindow( 0, MONITOR_DEFAULTTOPRIMARY );
2494
2495 mon_info.cbSize = sizeof( mon_info );
2496 GetMonitorInfoW( monitor, &mon_info );
2497 rectParent = mon_info.rcWork;
2498 }
2499 else GetClientRect( parent, &rectParent );
2500
2501 x = y = 0;
2502 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2503 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2504
2505 hwndChild = GetWindow( parent, GW_CHILD );
2506 while (hwndChild)
2507 {
2508 if( IsIconic( hwndChild ) )
2509 {
2510 WINPOS_ShowIconTitle( hwndChild, FALSE );
2511
2512 if (metrics.iArrange & ARW_STARTRIGHT)
2513 pt.x = rectParent.right - (x + 1) * xspacing;
2514 else
2515 pt.x = rectParent.left + x * xspacing;
2516 if (metrics.iArrange & ARW_STARTTOP)
2517 pt.y = rectParent.top + y * yspacing;
2518 else
2519 pt.y = rectParent.bottom - (y + 1) * yspacing;
2520
2521 SetWindowPos( hwndChild, 0, pt.x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2522 pt.y + (yspacing - GetSystemMetrics(SM_CYICON)) / 2, 0, 0,
2523 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2524 if( IsWindow(hwndChild) )
2525 WINPOS_ShowIconTitle(hwndChild , TRUE );
2526
2527 if (++x >= (rectParent.right - rectParent.left) / xspacing)
2528 {
2529 x = 0;
2530 y++;
2531 }
2532 }
2533 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2534 }
2535 return yspacing;
2536 }
2537
2538
2539 /***********************************************************************
2540 * draw_moving_frame
2541 *
2542 * Draw the frame used when moving or resizing window.
2543 */
2544 static void draw_moving_frame( HWND parent, HDC hdc, RECT *screen_rect, BOOL thickframe )
2545 {
2546 RECT rect = *screen_rect;
2547
2548 if (parent) MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2549 if (thickframe)
2550 {
2551 const int width = GetSystemMetrics(SM_CXFRAME);
2552 const int height = GetSystemMetrics(SM_CYFRAME);
2553
2554 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2555 PatBlt( hdc, rect.left, rect.top,
2556 rect.right - rect.left - width, height, PATINVERT );
2557 PatBlt( hdc, rect.left, rect.top + height, width,
2558 rect.bottom - rect.top - height, PATINVERT );
2559 PatBlt( hdc, rect.left + width, rect.bottom - 1,
2560 rect.right - rect.left - width, -height, PATINVERT );
2561 PatBlt( hdc, rect.right - 1, rect.top, -width,
2562 rect.bottom - rect.top - height, PATINVERT );
2563 SelectObject( hdc, hbrush );
2564 }
2565 else DrawFocusRect( hdc, &rect );
2566 }
2567
2568
2569 /***********************************************************************
2570 * start_size_move
2571 *
2572 * Initialization of a move or resize, when initiated from a menu choice.
2573 * Return hit test code for caption or sizing border.
2574 */
2575 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2576 {
2577 LONG hittest = 0;
2578 POINT pt;
2579 MSG msg;
2580 RECT rectWindow;
2581
2582 GetWindowRect( hwnd, &rectWindow );
2583
2584 if ((wParam & 0xfff0) == SC_MOVE)
2585 {
2586 /* Move pointer at the center of the caption */
2587 RECT rect = rectWindow;
2588 /* Note: to be exactly centered we should take the different types
2589 * of border into account, but it shouldn't make more than a few pixels
2590 * of difference so let's not bother with that */
2591 rect.top += GetSystemMetrics(SM_CYBORDER);
2592 if (style & WS_SYSMENU)
2593 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2594 if (style & WS_MINIMIZEBOX)
2595 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2596 if (style & WS_MAXIMIZEBOX)
2597 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2598 pt.x = (rect.right + rect.left) / 2;
2599 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2600 hittest = HTCAPTION;
2601 *capturePoint = pt;
2602 }
2603 else /* SC_SIZE */
2604 {
2605 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2606 pt.x = pt.y = 0;
2607 while(!hittest)
2608 {
2609 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2610 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2611
2612 switch(msg.message)
2613 {
2614 case WM_MOUSEMOVE:
2615 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2616 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2617 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2618 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2619 break;
2620
2621 case WM_LBUTTONUP:
2622 return 0;
2623
2624 case WM_KEYDOWN:
2625 switch(msg.wParam)
2626 {
2627 case VK_UP:
2628 hittest = HTTOP;
2629 pt.x =(rectWindow.left+rectWindow.right)/2;
2630 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2631 break;
2632 case VK_DOWN:
2633 hittest = HTBOTTOM;
2634 pt.x =(rectWindow.left+rectWindow.right)/2;
2635 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2636 break;
2637 case VK_LEFT:
2638 hittest = HTLEFT;
2639 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2640 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2641 break;
2642 case VK_RIGHT:
2643 hittest = HTRIGHT;
2644 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2645 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2646 break;
2647 case VK_RETURN:
2648 case VK_ESCAPE:
2649 return 0;
2650 }
2651 break;
2652 default:
2653 TranslateMessage( &msg );
2654 DispatchMessageW( &msg );
2655 break;
2656 }
2657 }
2658 *capturePoint = pt;
2659 }
2660 SetCursorPos( pt.x, pt.y );
2661 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2662 return hittest;
2663 }
2664
2665
2666 /***********************************************************************
2667 * WINPOS_SysCommandSizeMove
2668 *
2669 * Perform SC_MOVE and SC_SIZE commands.
2670 */
2671 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2672 {
2673 MSG msg;
2674 RECT sizingRect, mouseRect, origRect;
2675 HDC hdc;
2676 HWND parent;
2677 LONG hittest = (LONG)(wParam & 0x0f);
2678 WPARAM syscommand = wParam & 0xfff0;
2679 HCURSOR hDragCursor = 0, hOldCursor = 0;
2680 POINT minTrack, maxTrack;
2681 POINT capturePoint, pt;
2682 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2683 BOOL thickframe = HAS_THICKFRAME( style );
2684 BOOL iconic = style & WS_MINIMIZE;
2685 BOOL moved = FALSE;
2686 DWORD dwPoint = GetMessagePos ();
2687 BOOL DragFullWindows = TRUE;
2688 HMONITOR mon = 0;
2689
2690 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2691
2692 pt.x = (short)LOWORD(dwPoint);
2693 pt.y = (short)HIWORD(dwPoint);
2694 capturePoint = pt;
2695 ClipCursor( NULL );
2696
2697 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2698 hwnd, syscommand, hittest, pt.x, pt.y);
2699
2700 if (syscommand == SC_MOVE)
2701 {
2702 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2703 if (!hittest) return;
2704 }
2705 else /* SC_SIZE */
2706 {
2707 if ( hittest && (syscommand != SC_MOUSEMENU) )
2708 hittest += (HTLEFT - WMSZ_LEFT);
2709 else
2710 {
2711 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2712 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2713 if (!hittest)
2714 {
2715 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2716 return;
2717 }
2718 }
2719 }
2720
2721 /* Get min/max info */
2722
2723 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2724 WIN_GetRectangles( hwnd, COORDS_PARENT, &sizingRect, NULL );
2725 origRect = sizingRect;
2726 if (style & WS_CHILD)
2727 {
2728 parent = GetParent(hwnd);
2729 GetClientRect( parent, &mouseRect );
2730 MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2731 MapWindowPoints( parent, 0, (LPPOINT)&sizingRect, 2 );
2732 }
2733 else
2734 {
2735 parent = 0;
2736 mouseRect = get_virtual_screen_rect();
2737 mon = MonitorFromPoint( pt, MONITOR_DEFAULTTONEAREST );
2738 }
2739
2740 if (ON_LEFT_BORDER(hittest))
2741 {
2742 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x+capturePoint.x-sizingRect.left );
2743 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x+capturePoint.x-sizingRect.left );
2744 }
2745 else if (ON_RIGHT_BORDER(hittest))
2746 {
2747 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x+capturePoint.x-sizingRect.right );
2748 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x+capturePoint.x-sizingRect.right );
2749 }
2750 if (ON_TOP_BORDER(hittest))
2751 {
2752 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y+capturePoint.y-sizingRect.top );
2753 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y+capturePoint.y-sizingRect.top);
2754 }
2755 else if (ON_BOTTOM_BORDER(hittest))
2756 {
2757 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y+capturePoint.y-sizingRect.bottom );
2758 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y+capturePoint.y-sizingRect.bottom );
2759 }
2760
2761 /* Retrieve a default cache DC (without using the window style) */
2762 hdc = GetDCEx( parent, 0, DCX_CACHE );
2763
2764 if( iconic ) /* create a cursor for dragging */
2765 {
2766 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2767 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2768 if( !hDragCursor ) iconic = FALSE;
2769 }
2770
2771 /* we only allow disabling the full window drag for child windows */
2772 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2773
2774 /* repaint the window before moving it around */
2775 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2776
2777 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2778 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2779
2780 while(1)
2781 {
2782 int dx = 0, dy = 0;
2783
2784 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2785 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2786
2787 /* Exit on button-up, Return, or Esc */
2788 if ((msg.message == WM_LBUTTONUP) ||
2789 ((msg.message == WM_KEYDOWN) &&
2790 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2791
2792 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2793 {
2794 TranslateMessage( &msg );
2795 DispatchMessageW( &msg );
2796 continue; /* We are not interested in other messages */
2797 }
2798
2799 pt = msg.pt;
2800
2801 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2802 {
2803 case VK_UP: pt.y -= 8; break;
2804 case VK_DOWN: pt.y += 8; break;
2805 case VK_LEFT: pt.x -= 8; break;
2806 case VK_RIGHT: pt.x += 8; break;
2807 }
2808
2809 pt.x = max( pt.x, mouseRect.left );
2810 pt.x = min( pt.x, mouseRect.right - 1 );
2811 pt.y = max( pt.y, mouseRect.top );
2812 pt.y = min( pt.y, mouseRect.bottom - 1 );
2813
2814 if (!parent)
2815 {
2816 HMONITOR newmon;
2817 MONITORINFO info;
2818
2819 if ((newmon = MonitorFromPoint( pt, MONITOR_DEFAULTTONULL )))
2820 mon = newmon;
2821
2822 info.cbSize = sizeof(info);
2823 if (mon && GetMonitorInfoW( mon, &info ))
2824 {
2825 pt.x = max( pt.x, info.rcWork.left );
2826 pt.x = min( pt.x, info.rcWork.right - 1 );
2827 pt.y = max( pt.y, info.rcWork.top );
2828 pt.y = min( pt.y, info.rcWork.bottom - 1 );
2829 }
2830 }
2831
2832 dx = pt.x - capturePoint.x;
2833 dy = pt.y - capturePoint.y;
2834
2835 if (dx || dy)
2836 {
2837 if( !moved )
2838 {
2839 moved = TRUE;
2840
2841 if( iconic ) /* ok, no system popup tracking */
2842 {
2843 hOldCursor = SetCursor(hDragCursor);
2844 ShowCursor( TRUE );
2845 WINPOS_ShowIconTitle( hwnd, FALSE );
2846 }
2847 else if(!DragFullWindows)
2848 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2849 }
2850
2851 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2852 else
2853 {
2854 if(!iconic && !DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2855 if (hittest == HTCAPTION) OffsetRect( &sizingRect, dx, dy );
2856 if (ON_LEFT_BORDER(hittest)) sizingRect.left += dx;
2857 else if (ON_RIGHT_BORDER(hittest)) sizingRect.right += dx;
2858 if (ON_TOP_BORDER(hittest)) sizingRect.top += dy;
2859 else if (ON_BOTTOM_BORDER(hittest)) sizingRect.bottom += dy;
2860 capturePoint = pt;
2861
2862 /* determine the hit location */
2863 if (syscommand == SC_SIZE)
2864 {
2865 WPARAM wpSizingHit = 0;
2866
2867 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2868 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2869 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&sizingRect );
2870 }
2871 else
2872 SendMessageW( hwnd, WM_MOVING, 0, (LPARAM)&sizingRect );
2873
2874 if (!iconic)
2875 {
2876 if(!DragFullWindows)
2877 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2878 else
2879 {
2880 RECT rect = sizingRect;
2881 MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2882 SetWindowPos( hwnd, 0, rect.left, rect.top,
2883 rect.right - rect.left, rect.bottom - rect.top,
2884 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2885 }
2886 }
2887 }
2888 }
2889 }
2890
2891 if( iconic )
2892 {
2893 if( moved ) /* restore cursors, show icon title later on */
2894 {
2895 ShowCursor( FALSE );
2896 SetCursor( hOldCursor );
2897 }
2898 }
2899 else if (moved && !DragFullWindows)
2900 {
2901 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2902 }
2903
2904 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2905 ReleaseDC( parent, hdc );
2906 if (parent) MapWindowPoints( 0, parent, (POINT *)&sizingRect, 2 );
2907
2908 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2909 moved = FALSE;
2910
2911 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2912 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2913
2914 /* window moved or resized */
2915 if (moved)
2916 {
2917 /* if the moving/resizing isn't canceled call SetWindowPos
2918 * with the new position or the new size of the window
2919 */
2920 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2921 {
2922 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2923 if(!DragFullWindows || iconic)
2924 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2925 sizingRect.right - sizingRect.left,
2926 sizingRect.bottom - sizingRect.top,
2927 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2928 }
2929 else
2930 { /* restore previous size/position */
2931 if(DragFullWindows)
2932 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2933 origRect.right - origRect.left,
2934 origRect.bottom - origRect.top,
2935 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2936 }
2937 }
2938
2939 if (IsIconic(hwnd))
2940 {
2941 /* Single click brings up the system menu when iconized */
2942
2943 if( !moved )
2944 {
2945 if(style & WS_SYSMENU )
2946 SendMessageW( hwnd, WM_SYSCOMMAND,
2947 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2948 }
2949 else WINPOS_ShowIconTitle( hwnd, TRUE );
2950 }
2951 }
Windows API implementation