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user32: Add support for setting the window surface visible region.
[wine.git] / dlls / user32 / winpos.c
bloba04bf2c19039c1b535a25ee44166384aa7ec3c88
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 * ClientToScreen (USER32.@)
240 */
241 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
242 {
243 MapWindowPoints( hwnd, 0, lppnt, 1 );
244 return TRUE;
245 }
246
247
248 /*******************************************************************
249 * ScreenToClient (USER32.@)
250 */
251 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
252 {
253 MapWindowPoints( 0, hwnd, lppnt, 1 );
254 return TRUE;
255 }
256
257
258 /***********************************************************************
259 * list_children_from_point
260 *
261 * Get the list of children that can contain point from the server.
262 * Point is in screen coordinates.
263 * Returned list must be freed by caller.
264 */
265 static HWND *list_children_from_point( HWND hwnd, POINT pt )
266 {
267 HWND *list;
268 int i, size = 128;
269
270 for (;;)
271 {
272 int count = 0;
273
274 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
275
276 SERVER_START_REQ( get_window_children_from_point )
277 {
278 req->parent = wine_server_user_handle( hwnd );
279 req->x = pt.x;
280 req->y = pt.y;
281 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
282 if (!wine_server_call( req )) count = reply->count;
283 }
284 SERVER_END_REQ;
285 if (count && count < size)
286 {
287 /* start from the end since HWND is potentially larger than user_handle_t */
288 for (i = count - 1; i >= 0; i--)
289 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
290 list[count] = 0;
291 return list;
292 }
293 HeapFree( GetProcessHeap(), 0, list );
294 if (!count) break;
295 size = count + 1; /* restart with a large enough buffer */
296 }
297 return NULL;
298 }
299
300
301 /***********************************************************************
302 * WINPOS_WindowFromPoint
303 *
304 * Find the window and hittest for a given point.
305 */
306 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
307 {
308 int i, res;
309 HWND ret, *list;
310
311 if (!hwndScope) hwndScope = GetDesktopWindow();
312
313 *hittest = HTNOWHERE;
314
315 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
316
317 /* now determine the hittest */
318
319 for (i = 0; list[i]; i++)
320 {
321 LONG style = GetWindowLongW( list[i], GWL_STYLE );
322
323 /* If window is minimized or disabled, return at once */
324 if (style & WS_MINIMIZE)
325 {
326 *hittest = HTCAPTION;
327 break;
328 }
329 if (style & WS_DISABLED)
330 {
331 *hittest = HTERROR;
332 break;
333 }
334 /* Send WM_NCCHITTEST (if same thread) */
335 if (!WIN_IsCurrentThread( list[i] ))
336 {
337 *hittest = HTCLIENT;
338 break;
339 }
340 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
341 if (res != HTTRANSPARENT)
342 {
343 *hittest = res; /* Found the window */
344 break;
345 }
346 /* continue search with next window in z-order */
347 }
348 ret = list[i];
349 HeapFree( GetProcessHeap(), 0, list );
350 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
351 return ret;
352 }
353
354
355 /*******************************************************************
356 * WindowFromPoint (USER32.@)
357 */
358 HWND WINAPI WindowFromPoint( POINT pt )
359 {
360 INT hittest;
361 return WINPOS_WindowFromPoint( 0, pt, &hittest );
362 }
363
364
365 /*******************************************************************
366 * ChildWindowFromPoint (USER32.@)
367 */
368 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
369 {
370 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
371 }
372
373 /*******************************************************************
374 * RealChildWindowFromPoint (USER32.@)
375 */
376 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
377 {
378 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT | CWP_SKIPINVISIBLE );
379 }
380
381 /*******************************************************************
382 * ChildWindowFromPointEx (USER32.@)
383 */
384 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
385 {
386 /* pt is in the client coordinates */
387 HWND *list;
388 int i;
389 RECT rect;
390 HWND retvalue;
391
392 GetClientRect( hwndParent, &rect );
393 if (!PtInRect( &rect, pt )) return 0;
394 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
395
396 for (i = 0; list[i]; i++)
397 {
398 if (!WIN_GetRectangles( list[i], COORDS_PARENT, &rect, NULL )) continue;
399 if (!PtInRect( &rect, pt )) continue;
400 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
401 {
402 LONG style = GetWindowLongW( list[i], GWL_STYLE );
403 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
404 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
405 }
406 if (uFlags & CWP_SKIPTRANSPARENT)
407 {
408 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
409 }
410 break;
411 }
412 retvalue = list[i];
413 HeapFree( GetProcessHeap(), 0, list );
414 if (!retvalue) retvalue = hwndParent;
415 return retvalue;
416 }
417
418
419 /*******************************************************************
420 * WINPOS_GetWinOffset
421 *
422 * Calculate the offset between the origin of the two windows. Used
423 * to implement MapWindowPoints.
424 */
425 static POINT WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, BOOL *mirrored )
426 {
427 WND * wndPtr;
428 POINT offset;
429 BOOL mirror_from, mirror_to;
430 HWND hwnd;
431
432 offset.x = offset.y = 0;
433 *mirrored = mirror_from = mirror_to = FALSE;
434
435 /* Translate source window origin to screen coords */
436 if (hwndFrom)
437 {
438 if (!(wndPtr = WIN_GetPtr( hwndFrom ))) return offset;
439 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
440 if (wndPtr != WND_DESKTOP)
441 {
442 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
443 {
444 mirror_from = TRUE;
445 offset.x += wndPtr->rectClient.right - wndPtr->rectClient.left;
446 }
447 while (wndPtr->parent)
448 {
449 offset.x += wndPtr->rectClient.left;
450 offset.y += wndPtr->rectClient.top;
451 hwnd = wndPtr->parent;
452 WIN_ReleasePtr( wndPtr );
453 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
454 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
455 if (wndPtr == WND_DESKTOP) break;
456 if (wndPtr->flags & WIN_CHILDREN_MOVED)
457 {
458 WIN_ReleasePtr( wndPtr );
459 goto other_process;
460 }
461 }
462 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
463 }
464 }
465
466 /* Translate origin to destination window coords */
467 if (hwndTo)
468 {
469 if (!(wndPtr = WIN_GetPtr( hwndTo ))) return offset;
470 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
471 if (wndPtr != WND_DESKTOP)
472 {
473 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
474 {
475 mirror_to = TRUE;
476 offset.x -= wndPtr->rectClient.right - wndPtr->rectClient.left;
477 }
478 while (wndPtr->parent)
479 {
480 offset.x -= wndPtr->rectClient.left;
481 offset.y -= wndPtr->rectClient.top;
482 hwnd = wndPtr->parent;
483 WIN_ReleasePtr( wndPtr );
484 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
485 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
486 if (wndPtr == WND_DESKTOP) break;
487 if (wndPtr->flags & WIN_CHILDREN_MOVED)
488 {
489 WIN_ReleasePtr( wndPtr );
490 goto other_process;
491 }
492 }
493 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
494 }
495 }
496
497 *mirrored = mirror_from ^ mirror_to;
498 if (mirror_from) offset.x = -offset.x;
499 return offset;
500
501 other_process: /* one of the parents may belong to another process, do it the hard way */
502 offset.x = offset.y = 0;
503 SERVER_START_REQ( get_windows_offset )
504 {
505 req->from = wine_server_user_handle( hwndFrom );
506 req->to = wine_server_user_handle( hwndTo );
507 if (!wine_server_call( req ))
508 {
509 offset.x = reply->x;
510 offset.y = reply->y;
511 *mirrored = reply->mirror;
512 }
513 }
514 SERVER_END_REQ;
515 return offset;
516 }
517
518 /* map coordinates of a window region */
519 void map_window_region( HWND from, HWND to, HRGN hrgn )
520 {
521 BOOL mirrored;
522 POINT offset = WINPOS_GetWinOffset( from, to, &mirrored );
523 UINT i, size;
524 RGNDATA *data;
525 HRGN new_rgn;
526 RECT *rect;
527
528 if (!mirrored)
529 {
530 OffsetRgn( hrgn, offset.x, offset.y );
531 return;
532 }
533 if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
534 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
535 GetRegionData( hrgn, size, data );
536 rect = (RECT *)data->Buffer;
537 for (i = 0; i < data->rdh.nCount; i++)
538 {
539 int tmp = -(rect[i].left + offset.x);
540 rect[i].left = -(rect[i].right + offset.x);
541 rect[i].right = tmp;
542 rect[i].top += offset.y;
543 rect[i].bottom += offset.y;
544 }
545 if ((new_rgn = ExtCreateRegion( NULL, data->rdh.nCount, data )))
546 {
547 CombineRgn( hrgn, new_rgn, 0, RGN_COPY );
548 DeleteObject( new_rgn );
549 }
550 HeapFree( GetProcessHeap(), 0, data );
551 }
552
553
554 /*******************************************************************
555 * MapWindowPoints (USER32.@)
556 */
557 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
558 {
559 BOOL mirrored;
560 POINT offset = WINPOS_GetWinOffset( hwndFrom, hwndTo, &mirrored );
561 UINT i;
562
563 for (i = 0; i < count; i++)
564 {
565 lppt[i].x += offset.x;
566 lppt[i].y += offset.y;
567 if (mirrored) lppt[i].x = -lppt[i].x;
568 }
569 if (mirrored && count == 2) /* special case for rectangle */
570 {
571 int tmp = lppt[0].x;
572 lppt[0].x = lppt[1].x;
573 lppt[1].x = tmp;
574 }
575 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
576 }
577
578
579 /***********************************************************************
580 * IsIconic (USER32.@)
581 */
582 BOOL WINAPI IsIconic(HWND hWnd)
583 {
584 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
585 }
586
587
588 /***********************************************************************
589 * IsZoomed (USER32.@)
590 */
591 BOOL WINAPI IsZoomed(HWND hWnd)
592 {
593 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
594 }
595
596
597 /*******************************************************************
598 * AllowSetForegroundWindow (USER32.@)
599 */
600 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
601 {
602 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
603 * implemented, then fix this function. */
604 return TRUE;
605 }
606
607
608 /*******************************************************************
609 * LockSetForegroundWindow (USER32.@)
610 */
611 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
612 {
613 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
614 * implemented, then fix this function. */
615 return TRUE;
616 }
617
618
619 /***********************************************************************
620 * BringWindowToTop (USER32.@)
621 */
622 BOOL WINAPI BringWindowToTop( HWND hwnd )
623 {
624 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
625 }
626
627
628 /***********************************************************************
629 * MoveWindow (USER32.@)
630 */
631 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
632 BOOL repaint )
633 {
634 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
635 if (!repaint) flags |= SWP_NOREDRAW;
636 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
637 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
638 }
639
640
641 /***********************************************************************
642 * WINPOS_RedrawIconTitle
643 */
644 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
645 {
646 HWND icon_title = 0;
647 WND *win = WIN_GetPtr( hWnd );
648
649 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
650 {
651 icon_title = win->icon_title;
652 WIN_ReleasePtr( win );
653 }
654 if (!icon_title) return FALSE;
655 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
656 InvalidateRect( icon_title, NULL, TRUE );
657 return TRUE;
658 }
659
660 /***********************************************************************
661 * WINPOS_ShowIconTitle
662 */
663 static BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
664 {
665 if (!GetPropA( hwnd, "__wine_x11_managed" ))
666 {
667 WND *win = WIN_GetPtr( hwnd );
668 HWND title = 0;
669
670 TRACE("%p %i\n", hwnd, (bShow != 0) );
671
672 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
673 title = win->icon_title;
674 WIN_ReleasePtr( win );
675
676 if( bShow )
677 {
678 if (!title)
679 {
680 title = ICONTITLE_Create( hwnd );
681 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
682 {
683 DestroyWindow( title );
684 return FALSE;
685 }
686 win->icon_title = title;
687 WIN_ReleasePtr( win );
688 }
689 if (!IsWindowVisible(title))
690 {
691 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
692 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
693 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
694 }
695 }
696 else if (title) ShowWindow( title, SW_HIDE );
697 }
698 return FALSE;
699 }
700
701 /*******************************************************************
702 * WINPOS_GetMinMaxInfo
703 *
704 * Get the minimized and maximized information for a window.
705 */
706 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
707 POINT *minTrack, POINT *maxTrack )
708 {
709 MINMAXINFO MinMax;
710 HMONITOR monitor;
711 INT xinc, yinc;
712 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
713 LONG adjustedStyle;
714 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
715 RECT rc;
716 WND *win;
717
718 /* Compute default values */
719
720 GetWindowRect(hwnd, &rc);
721 MinMax.ptReserved.x = rc.left;
722 MinMax.ptReserved.y = rc.top;
723
724 if ((style & WS_CAPTION) == WS_CAPTION)
725 adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
726 else
727 adjustedStyle = style;
728
729 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
730 AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
731
732 xinc = -rc.left;
733 yinc = -rc.top;
734
735 MinMax.ptMaxSize.x = rc.right - rc.left;
736 MinMax.ptMaxSize.y = rc.bottom - rc.top;
737 if (style & (WS_DLGFRAME | WS_BORDER))
738 {
739 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
740 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
741 }
742 else
743 {
744 MinMax.ptMinTrackSize.x = 2 * xinc;
745 MinMax.ptMinTrackSize.y = 2 * yinc;
746 }
747 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
748 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
749 MinMax.ptMaxPosition.x = -xinc;
750 MinMax.ptMaxPosition.y = -yinc;
751
752 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
753 {
754 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
755 WIN_ReleasePtr( win );
756 }
757
758 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
759
760 /* if the app didn't change the values, adapt them for the current monitor */
761
762 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
763 {
764 RECT rc_work;
765 MONITORINFO mon_info;
766
767 mon_info.cbSize = sizeof(mon_info);
768 GetMonitorInfoW( monitor, &mon_info );
769
770 rc_work = mon_info.rcMonitor;
771
772 if (style & WS_MAXIMIZEBOX)
773 {
774 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
775 rc_work = mon_info.rcWork;
776 }
777
778 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
779 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
780 {
781 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
782 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
783 }
784 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
785 {
786 MinMax.ptMaxPosition.x = rc_work.left - xinc;
787 MinMax.ptMaxPosition.y = rc_work.top - yinc;
788 }
789 }
790
791 /* Some sanity checks */
792
793 TRACE("%d %d / %d %d / %d %d / %d %d\n",
794 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
795 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
796 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
797 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
798 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
799 MinMax.ptMinTrackSize.x );
800 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
801 MinMax.ptMinTrackSize.y );
802
803 if (maxSize) *maxSize = MinMax.ptMaxSize;
804 if (maxPos) *maxPos = MinMax.ptMaxPosition;
805 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
806 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
807 }
808
809
810 /***********************************************************************
811 * WINPOS_FindIconPos
812 *
813 * Find a suitable place for an iconic window.
814 */
815 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
816 {
817 RECT rect, rectParent;
818 HWND parent, child;
819 HRGN hrgn, tmp;
820 int xspacing, yspacing;
821
822 parent = GetAncestor( hwnd, GA_PARENT );
823 GetClientRect( parent, &rectParent );
824 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
825 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
826 return pt; /* The icon already has a suitable position */
827
828 xspacing = GetSystemMetrics(SM_CXICONSPACING);
829 yspacing = GetSystemMetrics(SM_CYICONSPACING);
830
831 /* Check if another icon already occupies this spot */
832 /* FIXME: this is completely inefficient */
833
834 hrgn = CreateRectRgn( 0, 0, 0, 0 );
835 tmp = CreateRectRgn( 0, 0, 0, 0 );
836 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
837 {
838 if (child == hwnd) continue;
839 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
840 continue;
841 if (WIN_GetRectangles( child, COORDS_PARENT, &rect, NULL ))
842 {
843 SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
844 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
845 }
846 }
847 DeleteObject( tmp );
848
849 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
850 {
851 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
852 {
853 rect.right = rect.left + xspacing;
854 rect.top = rect.bottom - yspacing;
855 if (!RectInRegion( hrgn, &rect ))
856 {
857 /* No window was found, so it's OK for us */
858 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
859 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
860 DeleteObject( hrgn );
861 return pt;
862 }
863 }
864 }
865 DeleteObject( hrgn );
866 pt.x = pt.y = 0;
867 return pt;
868 }
869
870
871 /***********************************************************************
872 * WINPOS_MinMaximize
873 */
874 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
875 {
876 WND *wndPtr;
877 UINT swpFlags = 0;
878 POINT size;
879 LONG old_style;
880 WINDOWPLACEMENT wpl;
881
882 TRACE("%p %u\n", hwnd, cmd );
883
884 wpl.length = sizeof(wpl);
885 GetWindowPlacement( hwnd, &wpl );
886
887 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
888 return SWP_NOSIZE | SWP_NOMOVE;
889
890 if (IsIconic( hwnd ))
891 {
892 switch (cmd)
893 {
894 case SW_SHOWMINNOACTIVE:
895 case SW_SHOWMINIMIZED:
896 case SW_FORCEMINIMIZE:
897 case SW_MINIMIZE:
898 return SWP_NOSIZE | SWP_NOMOVE;
899 }
900 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
901 swpFlags |= SWP_NOCOPYBITS;
902 }
903
904 switch( cmd )
905 {
906 case SW_SHOWMINNOACTIVE:
907 case SW_SHOWMINIMIZED:
908 case SW_FORCEMINIMIZE:
909 case SW_MINIMIZE:
910 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
911 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
912 else wndPtr->flags &= ~WIN_RESTORE_MAX;
913 WIN_ReleasePtr( wndPtr );
914
915 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
916
917 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
918
919 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
920 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
921 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
922 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
923 swpFlags |= SWP_NOCOPYBITS;
924 break;
925
926 case SW_MAXIMIZE:
927 old_style = GetWindowLongW( hwnd, GWL_STYLE );
928 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
929
930 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
931
932 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
933 if (old_style & WS_MINIMIZE)
934 {
935 if ((wndPtr = WIN_GetPtr( hwnd )) && wndPtr != WND_OTHER_PROCESS)
936 {
937 wndPtr->flags |= WIN_RESTORE_MAX;
938 WIN_ReleasePtr( wndPtr );
939 }
940 WINPOS_ShowIconTitle( hwnd, FALSE );
941 }
942
943 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
944 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
945 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
946 break;
947
948 case SW_SHOWNOACTIVATE:
949 if ((wndPtr = WIN_GetPtr( hwnd )) && wndPtr != WND_OTHER_PROCESS)
950 {
951 wndPtr->flags &= ~WIN_RESTORE_MAX;
952 WIN_ReleasePtr( wndPtr );
953 }
954 /* fall through */
955 case SW_SHOWNORMAL:
956 case SW_RESTORE:
957 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
958 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
959 if (old_style & WS_MINIMIZE)
960 {
961 BOOL restore_max;
962
963 WINPOS_ShowIconTitle( hwnd, FALSE );
964
965 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
966 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
967 WIN_ReleasePtr( wndPtr );
968 if (restore_max)
969 {
970 /* Restore to maximized position */
971 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
972 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
973 swpFlags |= SWP_STATECHANGED;
974 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
975 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
976 break;
977 }
978 }
979 else if (!(old_style & WS_MAXIMIZE)) break;
980
981 swpFlags |= SWP_STATECHANGED;
982
983 /* Restore to normal position */
984
985 *rect = wpl.rcNormalPosition;
986 break;
987 }
988
989 return swpFlags;
990 }
991
992
993 /***********************************************************************
994 * show_window
995 *
996 * Implementation of ShowWindow and ShowWindowAsync.
997 */
998 static BOOL show_window( HWND hwnd, INT cmd )
999 {
1000 WND *wndPtr;
1001 HWND parent;
1002 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1003 BOOL wasVisible = (style & WS_VISIBLE) != 0;
1004 BOOL showFlag = TRUE;
1005 RECT newPos = {0, 0, 0, 0};
1006 UINT swp = 0;
1007
1008 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
1009
1010 switch(cmd)
1011 {
1012 case SW_HIDE:
1013 if (!wasVisible) return FALSE;
1014 showFlag = FALSE;
1015 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1016 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1017 break;
1018
1019 case SW_SHOWMINNOACTIVE:
1020 case SW_MINIMIZE:
1021 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
1022 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1023 /* fall through */
1024 case SW_SHOWMINIMIZED:
1025 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
1026 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1027 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
1028 break;
1029
1030 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
1031 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1032 swp |= SWP_FRAMECHANGED;
1033 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1034 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1035 break;
1036
1037 case SW_SHOWNA:
1038 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1039 if (style & WS_CHILD) swp |= SWP_NOZORDER;
1040 break;
1041 case SW_SHOW:
1042 if (wasVisible) return TRUE;
1043 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1044 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1045 break;
1046
1047 case SW_SHOWNOACTIVATE:
1048 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1049 /* fall through */
1050 case SW_RESTORE:
1051 /* fall through */
1052 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1053 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1054 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1055 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1056 {
1057 swp |= SWP_FRAMECHANGED;
1058 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1059 }
1060 else
1061 {
1062 if (wasVisible) return TRUE;
1063 swp |= SWP_NOSIZE | SWP_NOMOVE;
1064 }
1065 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1066 break;
1067 default:
1068 return wasVisible;
1069 }
1070
1071 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1072 {
1073 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1074 if (!IsWindow( hwnd )) return wasVisible;
1075 }
1076
1077 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1078
1079 parent = GetAncestor( hwnd, GA_PARENT );
1080 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1081 {
1082 /* if parent is not visible simply toggle WS_VISIBLE and return */
1083 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1084 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1085 }
1086 else
1087 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1088 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1089
1090 if (cmd == SW_HIDE)
1091 {
1092 HWND hFocus;
1093
1094 WINPOS_ShowIconTitle( hwnd, FALSE );
1095
1096 /* FIXME: This will cause the window to be activated irrespective
1097 * of whether it is owned by the same thread. Has to be done
1098 * asynchronously.
1099 */
1100
1101 if (hwnd == GetActiveWindow())
1102 WINPOS_ActivateOtherWindow(hwnd);
1103
1104 /* Revert focus to parent */
1105 hFocus = GetFocus();
1106 if (hwnd == hFocus)
1107 {
1108 HWND parent = GetAncestor(hwnd, GA_PARENT);
1109 if (parent == GetDesktopWindow()) parent = 0;
1110 SetFocus(parent);
1111 }
1112 return wasVisible;
1113 }
1114
1115 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1116
1117 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1118
1119 if (wndPtr->flags & WIN_NEED_SIZE)
1120 {
1121 /* should happen only in CreateWindowEx() */
1122 int wParam = SIZE_RESTORED;
1123 RECT client;
1124 LPARAM lparam;
1125
1126 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &client );
1127 lparam = MAKELONG( client.right - client.left, client.bottom - client.top );
1128 wndPtr->flags &= ~WIN_NEED_SIZE;
1129 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1130 else if (wndPtr->dwStyle & WS_MINIMIZE)
1131 {
1132 wParam = SIZE_MINIMIZED;
1133 lparam = 0;
1134 }
1135 WIN_ReleasePtr( wndPtr );
1136
1137 SendMessageW( hwnd, WM_SIZE, wParam, lparam );
1138 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1139 }
1140 else WIN_ReleasePtr( wndPtr );
1141
1142 /* if previous state was minimized Windows sets focus to the window */
1143 if (style & WS_MINIMIZE) SetFocus( hwnd );
1144
1145 return wasVisible;
1146 }
1147
1148
1149 /***********************************************************************
1150 * ShowWindowAsync (USER32.@)
1151 *
1152 * doesn't wait; returns immediately.
1153 * used by threads to toggle windows in other (possibly hanging) threads
1154 */
1155 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1156 {
1157 HWND full_handle;
1158
1159 if (is_broadcast(hwnd))
1160 {
1161 SetLastError( ERROR_INVALID_PARAMETER );
1162 return FALSE;
1163 }
1164
1165 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1166 return show_window( full_handle, cmd );
1167
1168 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1169 }
1170
1171
1172 /***********************************************************************
1173 * ShowWindow (USER32.@)
1174 */
1175 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1176 {
1177 HWND full_handle;
1178
1179 if (is_broadcast(hwnd))
1180 {
1181 SetLastError( ERROR_INVALID_PARAMETER );
1182 return FALSE;
1183 }
1184 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1185 return show_window( full_handle, cmd );
1186
1187 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1188 }
1189
1190
1191 /***********************************************************************
1192 * GetInternalWindowPos (USER32.@)
1193 */
1194 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1195 LPPOINT ptIcon )
1196 {
1197 WINDOWPLACEMENT wndpl;
1198 if (GetWindowPlacement( hwnd, &wndpl ))
1199 {
1200 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1201 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1202 return wndpl.showCmd;
1203 }
1204 return 0;
1205 }
1206
1207
1208 /***********************************************************************
1209 * GetWindowPlacement (USER32.@)
1210 *
1211 * Win95:
1212 * Fails if wndpl->length of Win95 (!) apps is invalid.
1213 */
1214 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1215 {
1216 WND *pWnd = WIN_GetPtr( hwnd );
1217
1218 if (!pWnd) return FALSE;
1219
1220 if (pWnd == WND_DESKTOP)
1221 {
1222 wndpl->length = sizeof(*wndpl);
1223 wndpl->showCmd = SW_SHOWNORMAL;
1224 wndpl->flags = 0;
1225 wndpl->ptMinPosition.x = -1;
1226 wndpl->ptMinPosition.y = -1;
1227 wndpl->ptMaxPosition.x = -1;
1228 wndpl->ptMaxPosition.y = -1;
1229 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1230 return TRUE;
1231 }
1232 if (pWnd == WND_OTHER_PROCESS)
1233 {
1234 if (!IsWindow( hwnd )) return FALSE;
1235 FIXME( "not supported on other process window %p\n", hwnd );
1236 /* provide some dummy information */
1237 wndpl->length = sizeof(*wndpl);
1238 wndpl->showCmd = SW_SHOWNORMAL;
1239 wndpl->flags = 0;
1240 wndpl->ptMinPosition.x = -1;
1241 wndpl->ptMinPosition.y = -1;
1242 wndpl->ptMaxPosition.x = -1;
1243 wndpl->ptMaxPosition.y = -1;
1244 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1245 return TRUE;
1246 }
1247
1248 /* update the placement according to the current style */
1249 if (pWnd->dwStyle & WS_MINIMIZE)
1250 {
1251 pWnd->min_pos.x = pWnd->rectWindow.left;
1252 pWnd->min_pos.y = pWnd->rectWindow.top;
1253 }
1254 else if (pWnd->dwStyle & WS_MAXIMIZE)
1255 {
1256 pWnd->max_pos.x = pWnd->rectWindow.left;
1257 pWnd->max_pos.y = pWnd->rectWindow.top;
1258 }
1259 else
1260 {
1261 pWnd->normal_rect = pWnd->rectWindow;
1262 }
1263
1264 wndpl->length = sizeof(*wndpl);
1265 if( pWnd->dwStyle & WS_MINIMIZE )
1266 wndpl->showCmd = SW_SHOWMINIMIZED;
1267 else
1268 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1269 if( pWnd->flags & WIN_RESTORE_MAX )
1270 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1271 else
1272 wndpl->flags = 0;
1273 wndpl->ptMinPosition = pWnd->min_pos;
1274 wndpl->ptMaxPosition = pWnd->max_pos;
1275 wndpl->rcNormalPosition = pWnd->normal_rect;
1276 WIN_ReleasePtr( pWnd );
1277
1278 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1279 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1280 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1281 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1282 return TRUE;
1283 }
1284
1285 /* make sure the specified rect is visible on screen */
1286 static void make_rect_onscreen( RECT *rect )
1287 {
1288 MONITORINFO info;
1289 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1290
1291 info.cbSize = sizeof(info);
1292 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1293 /* FIXME: map coordinates from rcWork to rcMonitor */
1294 if (rect->right <= info.rcWork.left)
1295 {
1296 rect->right += info.rcWork.left - rect->left;
1297 rect->left = info.rcWork.left;
1298 }
1299 else if (rect->left >= info.rcWork.right)
1300 {
1301 rect->left += info.rcWork.right - rect->right;
1302 rect->right = info.rcWork.right;
1303 }
1304 if (rect->bottom <= info.rcWork.top)
1305 {
1306 rect->bottom += info.rcWork.top - rect->top;
1307 rect->top = info.rcWork.top;
1308 }
1309 else if (rect->top >= info.rcWork.bottom)
1310 {
1311 rect->top += info.rcWork.bottom - rect->bottom;
1312 rect->bottom = info.rcWork.bottom;
1313 }
1314 }
1315
1316 /* make sure the specified point is visible on screen */
1317 static void make_point_onscreen( POINT *pt )
1318 {
1319 RECT rect;
1320
1321 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1322 make_rect_onscreen( &rect );
1323 pt->x = rect.left;
1324 pt->y = rect.top;
1325 }
1326
1327
1328 /***********************************************************************
1329 * WINPOS_SetPlacement
1330 */
1331 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1332 {
1333 DWORD style;
1334 WND *pWnd = WIN_GetPtr( hwnd );
1335 WINDOWPLACEMENT wp = *wndpl;
1336
1337 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1338 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1339 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1340
1341 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1342 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1343 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1344 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1345 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1346 wine_dbgstr_rect(&wp.rcNormalPosition) );
1347
1348 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1349
1350 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1351 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1352 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1353
1354 style = pWnd->dwStyle;
1355
1356 WIN_ReleasePtr( pWnd );
1357
1358 if( style & WS_MINIMIZE )
1359 {
1360 if (flags & PLACE_MIN)
1361 {
1362 WINPOS_ShowIconTitle( hwnd, FALSE );
1363 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1364 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1365 }
1366 }
1367 else if( style & WS_MAXIMIZE )
1368 {
1369 if (flags & PLACE_MAX)
1370 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1371 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1372 }
1373 else if( flags & PLACE_RECT )
1374 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1375 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1376 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1377 SWP_NOZORDER | SWP_NOACTIVATE );
1378
1379 ShowWindow( hwnd, wndpl->showCmd );
1380
1381 if (IsIconic( hwnd ))
1382 {
1383 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1384
1385 /* SDK: ...valid only the next time... */
1386 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1387 {
1388 pWnd = WIN_GetPtr( hwnd );
1389 if (pWnd && pWnd != WND_OTHER_PROCESS)
1390 {
1391 pWnd->flags |= WIN_RESTORE_MAX;
1392 WIN_ReleasePtr( pWnd );
1393 }
1394 }
1395 }
1396 return TRUE;
1397 }
1398
1399
1400 /***********************************************************************
1401 * SetWindowPlacement (USER32.@)
1402 *
1403 * Win95:
1404 * Fails if wndpl->length of Win95 (!) apps is invalid.
1405 */
1406 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1407 {
1408 UINT flags = PLACE_MAX | PLACE_RECT;
1409 if (!wpl) return FALSE;
1410 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1411 return WINPOS_SetPlacement( hwnd, wpl, flags );
1412 }
1413
1414
1415 /***********************************************************************
1416 * AnimateWindow (USER32.@)
1417 * Shows/Hides a window with an animation
1418 * NO ANIMATION YET
1419 */
1420 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1421 {
1422 FIXME("partial stub\n");
1423
1424 /* If trying to show/hide and it's already *
1425 * shown/hidden or invalid window, fail with *
1426 * invalid parameter */
1427 if(!IsWindow(hwnd) ||
1428 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1429 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1430 {
1431 SetLastError(ERROR_INVALID_PARAMETER);
1432 return FALSE;
1433 }
1434
1435 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1436
1437 return TRUE;
1438 }
1439
1440 /***********************************************************************
1441 * SetInternalWindowPos (USER32.@)
1442 */
1443 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1444 LPRECT rect, LPPOINT pt )
1445 {
1446 WINDOWPLACEMENT wndpl;
1447 UINT flags;
1448
1449 wndpl.length = sizeof(wndpl);
1450 wndpl.showCmd = showCmd;
1451 wndpl.flags = flags = 0;
1452
1453 if( pt )
1454 {
1455 flags |= PLACE_MIN;
1456 wndpl.flags |= WPF_SETMINPOSITION;
1457 wndpl.ptMinPosition = *pt;
1458 }
1459 if( rect )
1460 {
1461 flags |= PLACE_RECT;
1462 wndpl.rcNormalPosition = *rect;
1463 }
1464 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1465 }
1466
1467
1468 /*******************************************************************
1469 * can_activate_window
1470 *
1471 * Check if we can activate the specified window.
1472 */
1473 static BOOL can_activate_window( HWND hwnd )
1474 {
1475 LONG style;
1476
1477 if (!hwnd) return FALSE;
1478 style = GetWindowLongW( hwnd, GWL_STYLE );
1479 if (!(style & WS_VISIBLE)) return FALSE;
1480 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1481 return !(style & WS_DISABLED);
1482 }
1483
1484
1485 /*******************************************************************
1486 * WINPOS_ActivateOtherWindow
1487 *
1488 * Activates window other than pWnd.
1489 */
1490 void WINPOS_ActivateOtherWindow(HWND hwnd)
1491 {
1492 HWND hwndTo, fg;
1493
1494 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1495 {
1496 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1497 if (can_activate_window( hwndTo )) goto done;
1498 }
1499
1500 hwndTo = hwnd;
1501 for (;;)
1502 {
1503 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1504 if (can_activate_window( hwndTo )) break;
1505 }
1506
1507 done:
1508 fg = GetForegroundWindow();
1509 TRACE("win = %p fg = %p\n", hwndTo, fg);
1510 if (!fg || (hwnd == fg))
1511 {
1512 if (SetForegroundWindow( hwndTo )) return;
1513 }
1514 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1515 }
1516
1517
1518 /***********************************************************************
1519 * WINPOS_HandleWindowPosChanging
1520 *
1521 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1522 */
1523 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1524 {
1525 POINT minTrack, maxTrack;
1526 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1527
1528 if (winpos->flags & SWP_NOSIZE) return 0;
1529 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1530 {
1531 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1532 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1533 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1534 if (!(style & WS_MINIMIZE))
1535 {
1536 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1537 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1538 }
1539 }
1540 return 0;
1541 }
1542
1543
1544 /***********************************************************************
1545 * dump_winpos_flags
1546 */
1547 static void dump_winpos_flags(UINT flags)
1548 {
1549 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1550 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1551 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1552 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1553 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1554 TRACE("flags:");
1555 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1556 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1557 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1558 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1559 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1560 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1561 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1562 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1563 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1564 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1565 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1566 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1567 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1568 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1569 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1570 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1571
1572 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1573 TRACE("\n");
1574 }
1575
1576 /***********************************************************************
1577 * SWP_DoWinPosChanging
1578 */
1579 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1580 {
1581 WND *wndPtr;
1582 RECT window_rect, client_rect;
1583
1584 /* Send WM_WINDOWPOSCHANGING message */
1585
1586 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1587 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1588
1589 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1590 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1591
1592 /* Calculate new position and size */
1593
1594 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1595 *pNewWindowRect = window_rect;
1596 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? window_rect : client_rect;
1597
1598 if (!(pWinpos->flags & SWP_NOSIZE))
1599 {
1600 if (wndPtr->dwStyle & WS_MINIMIZE)
1601 {
1602 pNewWindowRect->right = pNewWindowRect->left + GetSystemMetrics(SM_CXICON);
1603 pNewWindowRect->bottom = pNewWindowRect->top + GetSystemMetrics(SM_CYICON);
1604 }
1605 else
1606 {
1607 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1608 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1609 }
1610 }
1611 if (!(pWinpos->flags & SWP_NOMOVE))
1612 {
1613 pNewWindowRect->left = pWinpos->x;
1614 pNewWindowRect->top = pWinpos->y;
1615 pNewWindowRect->right += pWinpos->x - window_rect.left;
1616 pNewWindowRect->bottom += pWinpos->y - window_rect.top;
1617
1618 OffsetRect( pNewClientRect, pWinpos->x - window_rect.left,
1619 pWinpos->y - window_rect.top );
1620 }
1621 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1622
1623 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1624 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1625 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1626 TRACE( "current %s style %08x new %s\n",
1627 wine_dbgstr_rect( &window_rect ), wndPtr->dwStyle,
1628 wine_dbgstr_rect( pNewWindowRect ));
1629
1630 WIN_ReleasePtr( wndPtr );
1631 return TRUE;
1632 }
1633
1634 /***********************************************************************
1635 * get_valid_rects
1636 *
1637 * Compute the valid rects from the old and new client rect and WVR_* flags.
1638 * Helper for WM_NCCALCSIZE handling.
1639 */
1640 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1641 RECT *valid )
1642 {
1643 int cx, cy;
1644
1645 if (flags & WVR_REDRAW)
1646 {
1647 SetRectEmpty( &valid[0] );
1648 SetRectEmpty( &valid[1] );
1649 return;
1650 }
1651
1652 if (flags & WVR_VALIDRECTS)
1653 {
1654 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1655 !IntersectRect( &valid[1], &valid[1], old_client ))
1656 {
1657 SetRectEmpty( &valid[0] );
1658 SetRectEmpty( &valid[1] );
1659 return;
1660 }
1661 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1662 }
1663 else
1664 {
1665 valid[0] = *new_client;
1666 valid[1] = *old_client;
1667 }
1668
1669 /* make sure the rectangles have the same size */
1670 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1671 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1672
1673 if (flags & WVR_ALIGNBOTTOM)
1674 {
1675 valid[0].top = valid[0].bottom - cy;
1676 valid[1].top = valid[1].bottom - cy;
1677 }
1678 else
1679 {
1680 valid[0].bottom = valid[0].top + cy;
1681 valid[1].bottom = valid[1].top + cy;
1682 }
1683 if (flags & WVR_ALIGNRIGHT)
1684 {
1685 valid[0].left = valid[0].right - cx;
1686 valid[1].left = valid[1].right - cx;
1687 }
1688 else
1689 {
1690 valid[0].right = valid[0].left + cx;
1691 valid[1].right = valid[1].left + cx;
1692 }
1693 }
1694
1695
1696 /***********************************************************************
1697 * SWP_DoOwnedPopups
1698 *
1699 * fix Z order taking into account owned popups -
1700 * basically we need to maintain them above the window that owns them
1701 *
1702 * FIXME: hide/show owned popups when owner visibility changes.
1703 */
1704 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1705 {
1706 HWND owner, *list = NULL;
1707 unsigned int i;
1708
1709 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1710
1711 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return hwndInsertAfter;
1712
1713 if ((owner = GetWindow( hwnd, GW_OWNER )))
1714 {
1715 /* make sure this popup stays above the owner */
1716
1717 if (hwndInsertAfter != HWND_TOPMOST)
1718 {
1719 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1720
1721 for (i = 0; list[i]; i++)
1722 {
1723 BOOL topmost = (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
1724
1725 if (list[i] == owner)
1726 {
1727 if (i > 0) hwndInsertAfter = list[i-1];
1728 else hwndInsertAfter = topmost ? HWND_TOPMOST : HWND_TOP;
1729 break;
1730 }
1731
1732 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1733 {
1734 if (!topmost) break;
1735 }
1736 else if (list[i] == hwndInsertAfter) break;
1737 }
1738 }
1739 }
1740
1741 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1742 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1743
1744 i = 0;
1745 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1746 {
1747 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1748 {
1749 /* skip all the topmost windows */
1750 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1751 }
1752 }
1753 else if (hwndInsertAfter != HWND_TOPMOST)
1754 {
1755 /* skip windows that are already placed correctly */
1756 for (i = 0; list[i]; i++)
1757 {
1758 if (list[i] == hwndInsertAfter) break;
1759 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1760 }
1761 }
1762
1763 for ( ; list[i]; i++)
1764 {
1765 if (list[i] == hwnd) break;
1766 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1767 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1768 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1769 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1770 hwndInsertAfter = list[i];
1771 }
1772
1773 done:
1774 HeapFree( GetProcessHeap(), 0, list );
1775 return hwndInsertAfter;
1776 }
1777
1778 /***********************************************************************
1779 * SWP_DoNCCalcSize
1780 */
1781 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1782 RECT *validRects )
1783 {
1784 UINT wvrFlags = 0;
1785 RECT window_rect, client_rect;
1786
1787 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1788
1789 /* Send WM_NCCALCSIZE message to get new client area */
1790 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1791 {
1792 NCCALCSIZE_PARAMS params;
1793 WINDOWPOS winposCopy;
1794
1795 params.rgrc[0] = *pNewWindowRect;
1796 params.rgrc[1] = window_rect;
1797 params.rgrc[2] = client_rect;
1798 params.lppos = &winposCopy;
1799 winposCopy = *pWinpos;
1800
1801 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1802
1803 *pNewClientRect = params.rgrc[0];
1804
1805 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1806 wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(&client_rect),
1807 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1808
1809 if( pNewClientRect->left != client_rect.left ||
1810 pNewClientRect->top != client_rect.top )
1811 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1812
1813 if( (pNewClientRect->right - pNewClientRect->left !=
1814 client_rect.right - client_rect.left))
1815 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1816 else
1817 wvrFlags &= ~WVR_HREDRAW;
1818
1819 if (pNewClientRect->bottom - pNewClientRect->top !=
1820 client_rect.bottom - client_rect.top)
1821 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1822 else
1823 wvrFlags &= ~WVR_VREDRAW;
1824
1825 validRects[0] = params.rgrc[1];
1826 validRects[1] = params.rgrc[2];
1827 }
1828 else
1829 {
1830 if (!(pWinpos->flags & SWP_NOMOVE) &&
1831 (pNewClientRect->left != client_rect.left ||
1832 pNewClientRect->top != client_rect.top))
1833 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1834 }
1835
1836 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1837 {
1838 SetRectEmpty( &validRects[0] );
1839 SetRectEmpty( &validRects[1] );
1840 }
1841 else get_valid_rects( &client_rect, pNewClientRect, wvrFlags, validRects );
1842
1843 return wvrFlags;
1844 }
1845
1846 /* fix redundant flags and values in the WINDOWPOS structure */
1847 static BOOL fixup_flags( WINDOWPOS *winpos )
1848 {
1849 HWND parent;
1850 RECT window_rect;
1851 POINT pt;
1852 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1853 BOOL ret = TRUE;
1854
1855 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1856 {
1857 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1858 return FALSE;
1859 }
1860 winpos->hwnd = wndPtr->obj.handle; /* make it a full handle */
1861
1862 /* Finally make sure that all coordinates are valid */
1863 if (winpos->x < -32768) winpos->x = -32768;
1864 else if (winpos->x > 32767) winpos->x = 32767;
1865 if (winpos->y < -32768) winpos->y = -32768;
1866 else if (winpos->y > 32767) winpos->y = 32767;
1867
1868 if (winpos->cx < 0) winpos->cx = 0;
1869 else if (winpos->cx > 32767) winpos->cx = 32767;
1870 if (winpos->cy < 0) winpos->cy = 0;
1871 else if (winpos->cy > 32767) winpos->cy = 32767;
1872
1873 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1874 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1875
1876 if (winpos->flags & SWP_HIDEWINDOW) wndPtr->flags |= WIN_HIDDEN;
1877 else if (winpos->flags & SWP_SHOWWINDOW) wndPtr->flags &= ~WIN_HIDDEN;
1878
1879 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1880 else
1881 {
1882 winpos->flags &= ~SWP_HIDEWINDOW;
1883 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1884 }
1885
1886 WIN_GetRectangles( winpos->hwnd, COORDS_SCREEN, &window_rect, NULL );
1887 if ((window_rect.right - window_rect.left == winpos->cx) &&
1888 (window_rect.bottom - window_rect.top == winpos->cy))
1889 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1890
1891 pt.x = winpos->x;
1892 pt.y = winpos->y;
1893 ClientToScreen( parent, &pt );
1894 if ((window_rect.left == pt.x) && (window_rect.top == pt.y))
1895 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1896
1897 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1898 {
1899 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1900 (winpos->flags & SWP_NOZORDER ||
1901 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1902 {
1903 winpos->flags &= ~SWP_NOZORDER;
1904 winpos->hwndInsertAfter = HWND_TOP;
1905 }
1906 }
1907
1908 /* Check hwndInsertAfter */
1909 if (winpos->flags & SWP_NOZORDER) goto done;
1910
1911 if (winpos->hwndInsertAfter == HWND_TOP)
1912 {
1913 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1914 winpos->flags |= SWP_NOZORDER;
1915 }
1916 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1917 {
1918 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1919 winpos->flags |= SWP_NOZORDER;
1920 }
1921 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1922 {
1923 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1924 winpos->flags |= SWP_NOZORDER;
1925 }
1926 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1927 {
1928 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1929 winpos->flags |= SWP_NOZORDER;
1930 }
1931 else
1932 {
1933 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1934 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1935 winpos->flags |= SWP_NOZORDER;
1936 }
1937 done:
1938 WIN_ReleasePtr( wndPtr );
1939 return ret;
1940 }
1941
1942
1943 /***********************************************************************
1944 * update_surface_region
1945 */
1946 static void update_surface_region( HWND hwnd )
1947 {
1948 NTSTATUS status;
1949 HRGN region = 0;
1950 RGNDATA *data;
1951 size_t size = 256;
1952 WND *win = WIN_GetPtr( hwnd );
1953
1954 if (!win || win == WND_DESKTOP || win == WND_OTHER_PROCESS) return;
1955 if (!win->surface) goto done;
1956
1957 do
1958 {
1959 if (!(data = HeapAlloc( GetProcessHeap(), 0, FIELD_OFFSET( RGNDATA, Buffer[size] )))) goto done;
1960
1961 SERVER_START_REQ( get_surface_region )
1962 {
1963 req->window = wine_server_user_handle( hwnd );
1964 wine_server_set_reply( req, data->Buffer, size );
1965 if (!(status = wine_server_call( req )))
1966 {
1967 size_t reply_size = wine_server_reply_size( reply );
1968 if (reply_size)
1969 {
1970 data->rdh.dwSize = sizeof(data->rdh);
1971 data->rdh.iType = RDH_RECTANGLES;
1972 data->rdh.nCount = reply_size / sizeof(RECT);
1973 data->rdh.nRgnSize = reply_size;
1974 region = ExtCreateRegion( NULL, size, data );
1975 OffsetRgn( region, -reply->visible_rect.left, -reply->visible_rect.top );
1976 }
1977 }
1978 else size = reply->total_size;
1979 }
1980 SERVER_END_REQ;
1981 HeapFree( GetProcessHeap(), 0, data );
1982 } while (status == STATUS_BUFFER_OVERFLOW);
1983
1984 if (status) goto done;
1985
1986 win->surface->funcs->set_region( win->surface, region );
1987 if (region) DeleteObject( region );
1988
1989 done:
1990 WIN_ReleasePtr( win );
1991 }
1992
1993
1994 /***********************************************************************
1995 * set_window_pos
1996 *
1997 * Backend implementation of SetWindowPos.
1998 */
1999 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
2000 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
2001 {
2002 WND *win;
2003 HWND surface_win = 0, parent = GetAncestor( hwnd, GA_PARENT );
2004 BOOL ret;
2005 int old_width;
2006 RECT visible_rect, old_visible_rect, old_window_rect;
2007 struct window_surface *old_surface, *new_surface = NULL;
2008
2009 if (!parent || parent == GetDesktopWindow())
2010 {
2011 new_surface = &dummy_surface; /* provide a default surface for top-level windows */
2012 window_surface_add_ref( new_surface );
2013 }
2014 visible_rect = *window_rect;
2015 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
2016 window_rect, client_rect, &visible_rect, &new_surface );
2017
2018 WIN_GetRectangles( hwnd, COORDS_SCREEN, &old_window_rect, NULL );
2019
2020 if (!(win = WIN_GetPtr( hwnd )) || win == WND_DESKTOP || win == WND_OTHER_PROCESS)
2021 {
2022 if (new_surface) window_surface_release( new_surface );
2023 return FALSE;
2024 }
2025 old_width = win->rectClient.right - win->rectClient.left;
2026 old_visible_rect = win->visible_rect;
2027
2028 SERVER_START_REQ( set_window_pos )
2029 {
2030 req->handle = wine_server_user_handle( hwnd );
2031 req->previous = wine_server_user_handle( insert_after );
2032 req->swp_flags = swp_flags;
2033 req->window.left = window_rect->left;
2034 req->window.top = window_rect->top;
2035 req->window.right = window_rect->right;
2036 req->window.bottom = window_rect->bottom;
2037 req->client.left = client_rect->left;
2038 req->client.top = client_rect->top;
2039 req->client.right = client_rect->right;
2040 req->client.bottom = client_rect->bottom;
2041 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
2042 {
2043 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
2044 if (!IsRectEmpty( &valid_rects[0] ))
2045 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
2046 }
2047 if (new_surface) req->paint_flags |= SET_WINPOS_PAINT_SURFACE;
2048 if (win->pixel_format) req->paint_flags |= SET_WINPOS_PIXEL_FORMAT;
2049
2050 if ((ret = !wine_server_call( req )))
2051 {
2052 win->dwStyle = reply->new_style;
2053 win->dwExStyle = reply->new_ex_style;
2054 win->rectWindow = *window_rect;
2055 win->rectClient = *client_rect;
2056 win->visible_rect = visible_rect;
2057 old_surface = win->surface;
2058 win->surface = new_surface;
2059 surface_win = wine_server_ptr_handle( reply->surface_win );
2060 if (GetWindowLongW( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
2061 {
2062 RECT client;
2063 GetClientRect( win->parent, &client );
2064 mirror_rect( &client, &win->rectWindow );
2065 mirror_rect( &client, &win->rectClient );
2066 mirror_rect( &client, &win->visible_rect );
2067 }
2068 /* if an RTL window is resized the children have moved */
2069 if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_width)
2070 win->flags |= WIN_CHILDREN_MOVED;
2071 }
2072 }
2073 SERVER_END_REQ;
2074
2075 if (ret)
2076 {
2077 if (surface_win) update_surface_region( surface_win );
2078 if (old_surface != new_surface ||
2079 ((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
2080 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED | SWP_FRAMECHANGED)))
2081 invalidate_dce( win, &old_window_rect );
2082 }
2083
2084 WIN_ReleasePtr( win );
2085
2086 if (ret)
2087 {
2088 TRACE( "win %p surface %p -> %p\n", hwnd, old_surface, new_surface );
2089 register_window_surface( old_surface, new_surface );
2090 if (old_surface)
2091 {
2092 if (!IsRectEmpty( valid_rects ))
2093 {
2094 move_window_bits( hwnd, old_surface, new_surface, &visible_rect,
2095 &old_visible_rect, client_rect, valid_rects );
2096 valid_rects = NULL; /* prevent the driver from trying to also move the bits */
2097 }
2098 window_surface_release( old_surface );
2099 }
2100 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
2101 client_rect, &visible_rect, valid_rects, new_surface );
2102 }
2103 else if (new_surface) window_surface_release( new_surface );
2104
2105 return ret;
2106 }
2107
2108
2109 /***********************************************************************
2110 * USER_SetWindowPos
2111 *
2112 * User32 internal function
2113 */
2114 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
2115 {
2116 RECT newWindowRect, newClientRect, valid_rects[2];
2117 UINT orig_flags;
2118
2119 orig_flags = winpos->flags;
2120
2121 /* First, check z-order arguments. */
2122 if (!(winpos->flags & SWP_NOZORDER))
2123 {
2124 /* fix sign extension */
2125 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
2126 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
2127
2128 if (!(winpos->hwndInsertAfter == HWND_TOP ||
2129 winpos->hwndInsertAfter == HWND_BOTTOM ||
2130 winpos->hwndInsertAfter == HWND_TOPMOST ||
2131 winpos->hwndInsertAfter == HWND_NOTOPMOST))
2132 {
2133 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2134 HWND insertafter_parent = GetAncestor( winpos->hwndInsertAfter, GA_PARENT );
2135
2136 /* hwndInsertAfter must be a sibling of the window */
2137 if (!insertafter_parent) return FALSE;
2138 if (insertafter_parent != parent) return TRUE;
2139 }
2140 }
2141
2142 /* Make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
2143 if (!(winpos->flags & SWP_NOMOVE))
2144 {
2145 if (winpos->x < -32768) winpos->x = -32768;
2146 else if (winpos->x > 32767) winpos->x = 32767;
2147 if (winpos->y < -32768) winpos->y = -32768;
2148 else if (winpos->y > 32767) winpos->y = 32767;
2149 }
2150 if (!(winpos->flags & SWP_NOSIZE))
2151 {
2152 if (winpos->cx < 0) winpos->cx = 0;
2153 else if (winpos->cx > 32767) winpos->cx = 32767;
2154 if (winpos->cy < 0) winpos->cy = 0;
2155 else if (winpos->cy > 32767) winpos->cy = 32767;
2156 }
2157
2158 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
2159
2160 /* Fix redundant flags */
2161 if (!fixup_flags( winpos )) return FALSE;
2162
2163 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
2164 {
2165 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
2166 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2167 }
2168
2169 /* Common operations */
2170
2171 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2172
2173 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2174 &newWindowRect, &newClientRect, valid_rects ))
2175 return FALSE;
2176
2177 /* erase parent when hiding or resizing child */
2178 if (!(orig_flags & SWP_DEFERERASE) &&
2179 ((orig_flags & SWP_HIDEWINDOW) ||
2180 (!(orig_flags & SWP_SHOWWINDOW) &&
2181 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
2182 {
2183 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2184 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2185 erase_now( parent, 0 );
2186 }
2187
2188 if( winpos->flags & SWP_HIDEWINDOW )
2189 HideCaret(winpos->hwnd);
2190 else if (winpos->flags & SWP_SHOWWINDOW)
2191 ShowCaret(winpos->hwnd);
2192
2193 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2194 {
2195 /* child windows get WM_CHILDACTIVATE message */
2196 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2197 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2198 else
2199 SetForegroundWindow( winpos->hwnd );
2200 }
2201
2202 /* And last, send the WM_WINDOWPOSCHANGED message */
2203
2204 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2205
2206 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2207 {
2208 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2209 and always contains final window position.
2210 */
2211 winpos->x = newWindowRect.left;
2212 winpos->y = newWindowRect.top;
2213 winpos->cx = newWindowRect.right - newWindowRect.left;
2214 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2215 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2216 }
2217 return TRUE;
2218 }
2219
2220 /***********************************************************************
2221 * SetWindowPos (USER32.@)
2222 */
2223 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2224 INT x, INT y, INT cx, INT cy, UINT flags )
2225 {
2226 WINDOWPOS winpos;
2227
2228 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2229 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2230 if(TRACE_ON(win)) dump_winpos_flags(flags);
2231
2232 if (is_broadcast(hwnd))
2233 {
2234 SetLastError( ERROR_INVALID_PARAMETER );
2235 return FALSE;
2236 }
2237
2238 winpos.hwnd = WIN_GetFullHandle(hwnd);
2239 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2240 winpos.x = x;
2241 winpos.y = y;
2242 winpos.cx = cx;
2243 winpos.cy = cy;
2244 winpos.flags = flags;
2245
2246 if (WIN_IsCurrentThread( hwnd ))
2247 return USER_SetWindowPos(&winpos);
2248
2249 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2250 }
2251
2252
2253 /***********************************************************************
2254 * BeginDeferWindowPos (USER32.@)
2255 */
2256 HDWP WINAPI BeginDeferWindowPos( INT count )
2257 {
2258 HDWP handle = 0;
2259 DWP *pDWP;
2260
2261 TRACE("%d\n", count);
2262
2263 if (count < 0)
2264 {
2265 SetLastError(ERROR_INVALID_PARAMETER);
2266 return 0;
2267 }
2268 /* Windows allows zero count, in which case it allocates context for 8 moves */
2269 if (count == 0) count = 8;
2270
2271 if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
2272
2273 pDWP->actualCount = 0;
2274 pDWP->suggestedCount = count;
2275 pDWP->hwndParent = 0;
2276
2277 if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
2278 !(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
2279 {
2280 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2281 HeapFree( GetProcessHeap(), 0, pDWP );
2282 }
2283
2284 TRACE("returning hdwp %p\n", handle);
2285 return handle;
2286 }
2287
2288
2289 /***********************************************************************
2290 * DeferWindowPos (USER32.@)
2291 */
2292 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2293 INT x, INT y, INT cx, INT cy,
2294 UINT flags )
2295 {
2296 DWP *pDWP;
2297 int i;
2298 HDWP retvalue = hdwp;
2299
2300 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2301 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2302
2303 hwnd = WIN_GetFullHandle( hwnd );
2304 if (is_desktop_window( hwnd )) return 0;
2305
2306 if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
2307 if (pDWP == OBJ_OTHER_PROCESS)
2308 {
2309 FIXME( "other process handle %p?\n", hdwp );
2310 return 0;
2311 }
2312
2313 for (i = 0; i < pDWP->actualCount; i++)
2314 {
2315 if (pDWP->winPos[i].hwnd == hwnd)
2316 {
2317 /* Merge with the other changes */
2318 if (!(flags & SWP_NOZORDER))
2319 {
2320 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2321 }
2322 if (!(flags & SWP_NOMOVE))
2323 {
2324 pDWP->winPos[i].x = x;
2325 pDWP->winPos[i].y = y;
2326 }
2327 if (!(flags & SWP_NOSIZE))
2328 {
2329 pDWP->winPos[i].cx = cx;
2330 pDWP->winPos[i].cy = cy;
2331 }
2332 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2333 SWP_NOZORDER | SWP_NOREDRAW |
2334 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2335 SWP_NOOWNERZORDER);
2336 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2337 SWP_FRAMECHANGED);
2338 goto END;
2339 }
2340 }
2341 if (pDWP->actualCount >= pDWP->suggestedCount)
2342 {
2343 WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
2344 pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
2345 if (!newpos)
2346 {
2347 retvalue = 0;
2348 goto END;
2349 }
2350 pDWP->suggestedCount *= 2;
2351 pDWP->winPos = newpos;
2352 }
2353 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2354 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2355 pDWP->winPos[pDWP->actualCount].x = x;
2356 pDWP->winPos[pDWP->actualCount].y = y;
2357 pDWP->winPos[pDWP->actualCount].cx = cx;
2358 pDWP->winPos[pDWP->actualCount].cy = cy;
2359 pDWP->winPos[pDWP->actualCount].flags = flags;
2360 pDWP->actualCount++;
2361 END:
2362 release_user_handle_ptr( pDWP );
2363 return retvalue;
2364 }
2365
2366
2367 /***********************************************************************
2368 * EndDeferWindowPos (USER32.@)
2369 */
2370 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2371 {
2372 DWP *pDWP;
2373 WINDOWPOS *winpos;
2374 BOOL res = TRUE;
2375 int i;
2376
2377 TRACE("%p\n", hdwp);
2378
2379 if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
2380 if (pDWP == OBJ_OTHER_PROCESS)
2381 {
2382 FIXME( "other process handle %p?\n", hdwp );
2383 return FALSE;
2384 }
2385
2386 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2387 {
2388 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2389 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2390 winpos->cx, winpos->cy, winpos->flags);
2391
2392 if (WIN_IsCurrentThread( winpos->hwnd ))
2393 res = USER_SetWindowPos( winpos );
2394 else
2395 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2396 }
2397 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2398 HeapFree( GetProcessHeap(), 0, pDWP );
2399 return res;
2400 }
2401
2402
2403 /***********************************************************************
2404 * ArrangeIconicWindows (USER32.@)
2405 */
2406 UINT WINAPI ArrangeIconicWindows( HWND parent )
2407 {
2408 RECT rectParent;
2409 HWND hwndChild;
2410 INT x, y, xspacing, yspacing;
2411
2412 GetClientRect( parent, &rectParent );
2413 x = rectParent.left;
2414 y = rectParent.bottom;
2415 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2416 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2417
2418 hwndChild = GetWindow( parent, GW_CHILD );
2419 while (hwndChild)
2420 {
2421 if( IsIconic( hwndChild ) )
2422 {
2423 WINPOS_ShowIconTitle( hwndChild, FALSE );
2424
2425 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2426 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2427 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2428 if( IsWindow(hwndChild) )
2429 WINPOS_ShowIconTitle(hwndChild , TRUE );
2430
2431 if (x <= rectParent.right - xspacing) x += xspacing;
2432 else
2433 {
2434 x = rectParent.left;
2435 y -= yspacing;
2436 }
2437 }
2438 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2439 }
2440 return yspacing;
2441 }
2442
2443
2444 /***********************************************************************
2445 * draw_moving_frame
2446 *
2447 * Draw the frame used when moving or resizing window.
2448 */
2449 static void draw_moving_frame( HWND parent, HDC hdc, RECT *screen_rect, BOOL thickframe )
2450 {
2451 RECT rect = *screen_rect;
2452
2453 if (parent) MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2454 if (thickframe)
2455 {
2456 const int width = GetSystemMetrics(SM_CXFRAME);
2457 const int height = GetSystemMetrics(SM_CYFRAME);
2458
2459 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2460 PatBlt( hdc, rect.left, rect.top,
2461 rect.right - rect.left - width, height, PATINVERT );
2462 PatBlt( hdc, rect.left, rect.top + height, width,
2463 rect.bottom - rect.top - height, PATINVERT );
2464 PatBlt( hdc, rect.left + width, rect.bottom - 1,
2465 rect.right - rect.left - width, -height, PATINVERT );
2466 PatBlt( hdc, rect.right - 1, rect.top, -width,
2467 rect.bottom - rect.top - height, PATINVERT );
2468 SelectObject( hdc, hbrush );
2469 }
2470 else DrawFocusRect( hdc, &rect );
2471 }
2472
2473
2474 /***********************************************************************
2475 * start_size_move
2476 *
2477 * Initialization of a move or resize, when initiated from a menu choice.
2478 * Return hit test code for caption or sizing border.
2479 */
2480 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2481 {
2482 LONG hittest = 0;
2483 POINT pt;
2484 MSG msg;
2485 RECT rectWindow;
2486
2487 GetWindowRect( hwnd, &rectWindow );
2488
2489 if ((wParam & 0xfff0) == SC_MOVE)
2490 {
2491 /* Move pointer at the center of the caption */
2492 RECT rect = rectWindow;
2493 /* Note: to be exactly centered we should take the different types
2494 * of border into account, but it shouldn't make more than a few pixels
2495 * of difference so let's not bother with that */
2496 rect.top += GetSystemMetrics(SM_CYBORDER);
2497 if (style & WS_SYSMENU)
2498 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2499 if (style & WS_MINIMIZEBOX)
2500 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2501 if (style & WS_MAXIMIZEBOX)
2502 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2503 pt.x = (rect.right + rect.left) / 2;
2504 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2505 hittest = HTCAPTION;
2506 *capturePoint = pt;
2507 }
2508 else /* SC_SIZE */
2509 {
2510 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2511 pt.x = pt.y = 0;
2512 while(!hittest)
2513 {
2514 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2515 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2516
2517 switch(msg.message)
2518 {
2519 case WM_MOUSEMOVE:
2520 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2521 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2522 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2523 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2524 break;
2525
2526 case WM_LBUTTONUP:
2527 return 0;
2528
2529 case WM_KEYDOWN:
2530 switch(msg.wParam)
2531 {
2532 case VK_UP:
2533 hittest = HTTOP;
2534 pt.x =(rectWindow.left+rectWindow.right)/2;
2535 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2536 break;
2537 case VK_DOWN:
2538 hittest = HTBOTTOM;
2539 pt.x =(rectWindow.left+rectWindow.right)/2;
2540 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2541 break;
2542 case VK_LEFT:
2543 hittest = HTLEFT;
2544 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2545 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2546 break;
2547 case VK_RIGHT:
2548 hittest = HTRIGHT;
2549 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2550 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2551 break;
2552 case VK_RETURN:
2553 case VK_ESCAPE:
2554 return 0;
2555 }
2556 break;
2557 default:
2558 TranslateMessage( &msg );
2559 DispatchMessageW( &msg );
2560 break;
2561 }
2562 }
2563 *capturePoint = pt;
2564 }
2565 SetCursorPos( pt.x, pt.y );
2566 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2567 return hittest;
2568 }
2569
2570
2571 /***********************************************************************
2572 * WINPOS_SysCommandSizeMove
2573 *
2574 * Perform SC_MOVE and SC_SIZE commands.
2575 */
2576 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2577 {
2578 MSG msg;
2579 RECT sizingRect, mouseRect, origRect;
2580 HDC hdc;
2581 HWND parent;
2582 LONG hittest = (LONG)(wParam & 0x0f);
2583 WPARAM syscommand = wParam & 0xfff0;
2584 HCURSOR hDragCursor = 0, hOldCursor = 0;
2585 POINT minTrack, maxTrack;
2586 POINT capturePoint, pt;
2587 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2588 BOOL thickframe = HAS_THICKFRAME( style );
2589 BOOL iconic = style & WS_MINIMIZE;
2590 BOOL moved = FALSE;
2591 DWORD dwPoint = GetMessagePos ();
2592 BOOL DragFullWindows = TRUE;
2593
2594 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2595
2596 pt.x = (short)LOWORD(dwPoint);
2597 pt.y = (short)HIWORD(dwPoint);
2598 capturePoint = pt;
2599 ClipCursor( NULL );
2600
2601 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2602 hwnd, syscommand, hittest, pt.x, pt.y);
2603
2604 if (syscommand == SC_MOVE)
2605 {
2606 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2607 if (!hittest) return;
2608 }
2609 else /* SC_SIZE */
2610 {
2611 if ( hittest && (syscommand != SC_MOUSEMENU) )
2612 hittest += (HTLEFT - WMSZ_LEFT);
2613 else
2614 {
2615 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2616 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2617 if (!hittest)
2618 {
2619 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2620 return;
2621 }
2622 }
2623 }
2624
2625 /* Get min/max info */
2626
2627 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2628 WIN_GetRectangles( hwnd, COORDS_PARENT, &sizingRect, NULL );
2629 origRect = sizingRect;
2630 if (style & WS_CHILD)
2631 {
2632 parent = GetParent(hwnd);
2633 GetClientRect( parent, &mouseRect );
2634 MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2635 MapWindowPoints( parent, 0, (LPPOINT)&sizingRect, 2 );
2636 }
2637 else
2638 {
2639 parent = 0;
2640 mouseRect = get_virtual_screen_rect();
2641 }
2642
2643 if (ON_LEFT_BORDER(hittest))
2644 {
2645 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2646 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2647 }
2648 else if (ON_RIGHT_BORDER(hittest))
2649 {
2650 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2651 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2652 }
2653 if (ON_TOP_BORDER(hittest))
2654 {
2655 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2656 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2657 }
2658 else if (ON_BOTTOM_BORDER(hittest))
2659 {
2660 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2661 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2662 }
2663
2664 /* Retrieve a default cache DC (without using the window style) */
2665 hdc = GetDCEx( parent, 0, DCX_CACHE );
2666
2667 if( iconic ) /* create a cursor for dragging */
2668 {
2669 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2670 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2671 if( !hDragCursor ) iconic = FALSE;
2672 }
2673
2674 /* we only allow disabling the full window drag for child windows */
2675 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2676
2677 /* repaint the window before moving it around */
2678 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2679
2680 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2681 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2682
2683 while(1)
2684 {
2685 int dx = 0, dy = 0;
2686
2687 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2688 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2689
2690 /* Exit on button-up, Return, or Esc */
2691 if ((msg.message == WM_LBUTTONUP) ||
2692 ((msg.message == WM_KEYDOWN) &&
2693 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2694
2695 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2696 {
2697 TranslateMessage( &msg );
2698 DispatchMessageW( &msg );
2699 continue; /* We are not interested in other messages */
2700 }
2701
2702 pt = msg.pt;
2703
2704 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2705 {
2706 case VK_UP: pt.y -= 8; break;
2707 case VK_DOWN: pt.y += 8; break;
2708 case VK_LEFT: pt.x -= 8; break;
2709 case VK_RIGHT: pt.x += 8; break;
2710 }
2711
2712 pt.x = max( pt.x, mouseRect.left );
2713 pt.x = min( pt.x, mouseRect.right );
2714 pt.y = max( pt.y, mouseRect.top );
2715 pt.y = min( pt.y, mouseRect.bottom );
2716
2717 dx = pt.x - capturePoint.x;
2718 dy = pt.y - capturePoint.y;
2719
2720 if (dx || dy)
2721 {
2722 if( !moved )
2723 {
2724 moved = TRUE;
2725
2726 if( iconic ) /* ok, no system popup tracking */
2727 {
2728 hOldCursor = SetCursor(hDragCursor);
2729 ShowCursor( TRUE );
2730 WINPOS_ShowIconTitle( hwnd, FALSE );
2731 }
2732 else if(!DragFullWindows)
2733 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2734 }
2735
2736 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2737 else
2738 {
2739 WPARAM wpSizingHit = 0;
2740
2741 if(!iconic && !DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2742 if (hittest == HTCAPTION) OffsetRect( &sizingRect, dx, dy );
2743 if (ON_LEFT_BORDER(hittest)) sizingRect.left += dx;
2744 else if (ON_RIGHT_BORDER(hittest)) sizingRect.right += dx;
2745 if (ON_TOP_BORDER(hittest)) sizingRect.top += dy;
2746 else if (ON_BOTTOM_BORDER(hittest)) sizingRect.bottom += dy;
2747 capturePoint = pt;
2748
2749 /* determine the hit location */
2750 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2751 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2752 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&sizingRect );
2753
2754 if (!iconic)
2755 {
2756 if(!DragFullWindows)
2757 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2758 else
2759 {
2760 RECT rect = sizingRect;
2761 MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2762 SetWindowPos( hwnd, 0, rect.left, rect.top,
2763 rect.right - rect.left, rect.bottom - rect.top,
2764 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2765 }
2766 }
2767 }
2768 }
2769 }
2770
2771 if( iconic )
2772 {
2773 if( moved ) /* restore cursors, show icon title later on */
2774 {
2775 ShowCursor( FALSE );
2776 SetCursor( hOldCursor );
2777 }
2778 }
2779 else if (moved && !DragFullWindows)
2780 {
2781 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2782 }
2783
2784 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2785 ReleaseDC( parent, hdc );
2786 if (parent) MapWindowPoints( 0, parent, (POINT *)&sizingRect, 2 );
2787
2788 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2789 moved = FALSE;
2790
2791 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2792 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2793
2794 /* window moved or resized */
2795 if (moved)
2796 {
2797 /* if the moving/resizing isn't canceled call SetWindowPos
2798 * with the new position or the new size of the window
2799 */
2800 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2801 {
2802 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2803 if(!DragFullWindows || iconic)
2804 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2805 sizingRect.right - sizingRect.left,
2806 sizingRect.bottom - sizingRect.top,
2807 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2808 }
2809 else
2810 { /* restore previous size/position */
2811 if(DragFullWindows)
2812 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2813 origRect.right - origRect.left,
2814 origRect.bottom - origRect.top,
2815 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2816 }
2817 }
2818
2819 if (IsIconic(hwnd))
2820 {
2821 /* Single click brings up the system menu when iconized */
2822
2823 if( !moved )
2824 {
2825 if(style & WS_SYSMENU )
2826 SendMessageW( hwnd, WM_SYSCOMMAND,
2827 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2828 }
2829 else WINPOS_ShowIconTitle( hwnd, TRUE );
2830 }
2831 }
Windows API implementation