?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
shell32: Remove redundant loop to count already known value.
[wine/multimedia.git] / dlls / user32 / winpos.c
blob57ccb81797b9a54099b94b28dbf4a7cadf5ff035
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 "win.h"
37 #include "wine/debug.h"
38
39 WINE_DEFAULT_DEBUG_CHANNEL(win);
40
41 #define SWP_AGG_NOGEOMETRYCHANGE \
42 (SWP_NOSIZE | SWP_NOCLIENTSIZE | SWP_NOZORDER)
43 #define SWP_AGG_NOPOSCHANGE \
44 (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_NOZORDER)
45 #define SWP_AGG_STATUSFLAGS \
46 (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
47
48 #define HAS_DLGFRAME(style,exStyle) \
49 (((exStyle) & WS_EX_DLGMODALFRAME) || \
50 (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
51
52 #define HAS_THICKFRAME(style) \
53 (((style) & WS_THICKFRAME) && \
54 !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
55
56 #define EMPTYPOINT(pt) ((pt).x == -1 && (pt).y == -1)
57
58 #define ON_LEFT_BORDER(hit) \
59 (((hit) == HTLEFT) || ((hit) == HTTOPLEFT) || ((hit) == HTBOTTOMLEFT))
60 #define ON_RIGHT_BORDER(hit) \
61 (((hit) == HTRIGHT) || ((hit) == HTTOPRIGHT) || ((hit) == HTBOTTOMRIGHT))
62 #define ON_TOP_BORDER(hit) \
63 (((hit) == HTTOP) || ((hit) == HTTOPLEFT) || ((hit) == HTTOPRIGHT))
64 #define ON_BOTTOM_BORDER(hit) \
65 (((hit) == HTBOTTOM) || ((hit) == HTBOTTOMLEFT) || ((hit) == HTBOTTOMRIGHT))
66
67 #define PLACE_MIN 0x0001
68 #define PLACE_MAX 0x0002
69 #define PLACE_RECT 0x0004
70
71 typedef struct
72 {
73 struct user_object obj;
74 INT actualCount;
75 INT suggestedCount;
76 HWND hwndParent;
77 WINDOWPOS *winPos;
78 } DWP;
79
80
81 /***********************************************************************
82 * SwitchToThisWindow (USER32.@)
83 */
84 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL alt_tab )
85 {
86 if (IsIconic( hwnd )) ShowWindow( hwnd, SW_RESTORE );
87 else BringWindowToTop( hwnd );
88 }
89
90
91 /***********************************************************************
92 * GetWindowRect (USER32.@)
93 */
94 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
95 {
96 BOOL ret = WIN_GetRectangles( hwnd, COORDS_SCREEN, rect, NULL );
97 if (ret) TRACE( "hwnd %p %s\n", hwnd, wine_dbgstr_rect(rect) );
98 return ret;
99 }
100
101
102 /***********************************************************************
103 * GetWindowRgn (USER32.@)
104 */
105 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
106 {
107 int nRet = ERROR;
108 NTSTATUS status;
109 HRGN win_rgn = 0;
110 RGNDATA *data;
111 size_t size = 256;
112
113 do
114 {
115 if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
116 {
117 SetLastError( ERROR_OUTOFMEMORY );
118 return ERROR;
119 }
120 SERVER_START_REQ( get_window_region )
121 {
122 req->window = wine_server_user_handle( hwnd );
123 wine_server_set_reply( req, data->Buffer, size );
124 if (!(status = wine_server_call( req )))
125 {
126 size_t reply_size = wine_server_reply_size( reply );
127 if (reply_size)
128 {
129 data->rdh.dwSize = sizeof(data->rdh);
130 data->rdh.iType = RDH_RECTANGLES;
131 data->rdh.nCount = reply_size / sizeof(RECT);
132 data->rdh.nRgnSize = reply_size;
133 win_rgn = ExtCreateRegion( NULL, size, data );
134 }
135 }
136 else size = reply->total_size;
137 }
138 SERVER_END_REQ;
139 HeapFree( GetProcessHeap(), 0, data );
140 } while (status == STATUS_BUFFER_OVERFLOW);
141
142 if (status) SetLastError( RtlNtStatusToDosError(status) );
143 else if (win_rgn)
144 {
145 nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
146 DeleteObject( win_rgn );
147 }
148 return nRet;
149 }
150
151 /***********************************************************************
152 * GetWindowRgnBox (USER32.@)
153 */
154 int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect )
155 {
156 int ret = ERROR;
157 HRGN hrgn;
158
159 if (!prect)
160 return ERROR;
161
162 if ((hrgn = CreateRectRgn(0, 0, 0, 0)))
163 {
164 if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR )
165 ret = GetRgnBox( hrgn, prect );
166 DeleteObject(hrgn);
167 }
168
169 return ret;
170 }
171
172 /***********************************************************************
173 * SetWindowRgn (USER32.@)
174 */
175 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
176 {
177 static const RECT empty_rect;
178 BOOL ret;
179
180 if (hrgn)
181 {
182 RGNDATA *data;
183 DWORD size;
184
185 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
186 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
187 if (!GetRegionData( hrgn, size, data ))
188 {
189 HeapFree( GetProcessHeap(), 0, data );
190 return FALSE;
191 }
192 SERVER_START_REQ( set_window_region )
193 {
194 req->window = wine_server_user_handle( hwnd );
195 req->redraw = (bRedraw != 0);
196 if (data->rdh.nCount)
197 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
198 else
199 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
200 ret = !wine_server_call_err( req );
201 }
202 SERVER_END_REQ;
203 HeapFree( GetProcessHeap(), 0, data );
204 }
205 else /* clear existing region */
206 {
207 SERVER_START_REQ( set_window_region )
208 {
209 req->window = wine_server_user_handle( hwnd );
210 req->redraw = (bRedraw != 0);
211 ret = !wine_server_call_err( req );
212 }
213 SERVER_END_REQ;
214 }
215
216 if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
217
218 if (ret)
219 {
220 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
221 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
222 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
223 invalidate_dce( hwnd, NULL );
224 if (hrgn) DeleteObject( hrgn );
225 }
226 return ret;
227 }
228
229
230 /***********************************************************************
231 * GetClientRect (USER32.@)
232 */
233 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
234 {
235 return WIN_GetRectangles( hwnd, COORDS_CLIENT, NULL, rect );
236 }
237
238
239 /*******************************************************************
240 * ClientToScreen (USER32.@)
241 */
242 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
243 {
244 MapWindowPoints( hwnd, 0, lppnt, 1 );
245 return TRUE;
246 }
247
248
249 /*******************************************************************
250 * ScreenToClient (USER32.@)
251 */
252 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
253 {
254 MapWindowPoints( 0, hwnd, lppnt, 1 );
255 return TRUE;
256 }
257
258
259 /***********************************************************************
260 * list_children_from_point
261 *
262 * Get the list of children that can contain point from the server.
263 * Point is in screen coordinates.
264 * Returned list must be freed by caller.
265 */
266 static HWND *list_children_from_point( HWND hwnd, POINT pt )
267 {
268 HWND *list;
269 int i, size = 128;
270
271 for (;;)
272 {
273 int count = 0;
274
275 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
276
277 SERVER_START_REQ( get_window_children_from_point )
278 {
279 req->parent = wine_server_user_handle( hwnd );
280 req->x = pt.x;
281 req->y = pt.y;
282 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
283 if (!wine_server_call( req )) count = reply->count;
284 }
285 SERVER_END_REQ;
286 if (count && count < size)
287 {
288 /* start from the end since HWND is potentially larger than user_handle_t */
289 for (i = count - 1; i >= 0; i--)
290 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
291 list[count] = 0;
292 return list;
293 }
294 HeapFree( GetProcessHeap(), 0, list );
295 if (!count) break;
296 size = count + 1; /* restart with a large enough buffer */
297 }
298 return NULL;
299 }
300
301
302 /***********************************************************************
303 * WINPOS_WindowFromPoint
304 *
305 * Find the window and hittest for a given point.
306 */
307 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
308 {
309 int i, res;
310 HWND ret, *list;
311
312 if (!hwndScope) hwndScope = GetDesktopWindow();
313
314 *hittest = HTNOWHERE;
315
316 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
317
318 /* now determine the hittest */
319
320 for (i = 0; list[i]; i++)
321 {
322 LONG style = GetWindowLongW( list[i], GWL_STYLE );
323
324 /* If window is minimized or disabled, return at once */
325 if (style & WS_MINIMIZE)
326 {
327 *hittest = HTCAPTION;
328 break;
329 }
330 if (style & WS_DISABLED)
331 {
332 *hittest = HTERROR;
333 break;
334 }
335 /* Send WM_NCCHITTEST (if same thread) */
336 if (!WIN_IsCurrentThread( list[i] ))
337 {
338 *hittest = HTCLIENT;
339 break;
340 }
341 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
342 if (res != HTTRANSPARENT)
343 {
344 *hittest = res; /* Found the window */
345 break;
346 }
347 /* continue search with next window in z-order */
348 }
349 ret = list[i];
350 HeapFree( GetProcessHeap(), 0, list );
351 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
352 return ret;
353 }
354
355
356 /*******************************************************************
357 * WindowFromPoint (USER32.@)
358 */
359 HWND WINAPI WindowFromPoint( POINT pt )
360 {
361 INT hittest;
362 return WINPOS_WindowFromPoint( 0, pt, &hittest );
363 }
364
365
366 /*******************************************************************
367 * ChildWindowFromPoint (USER32.@)
368 */
369 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
370 {
371 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
372 }
373
374 /*******************************************************************
375 * RealChildWindowFromPoint (USER32.@)
376 */
377 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
378 {
379 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
380 }
381
382 /*******************************************************************
383 * ChildWindowFromPointEx (USER32.@)
384 */
385 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
386 {
387 /* pt is in the client coordinates */
388 HWND *list;
389 int i;
390 RECT rect;
391 HWND retvalue;
392
393 GetClientRect( hwndParent, &rect );
394 if (!PtInRect( &rect, pt )) return 0;
395 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
396
397 for (i = 0; list[i]; i++)
398 {
399 if (!WIN_GetRectangles( list[i], COORDS_PARENT, &rect, NULL )) continue;
400 if (!PtInRect( &rect, pt )) continue;
401 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
402 {
403 LONG style = GetWindowLongW( list[i], GWL_STYLE );
404 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
405 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
406 }
407 if (uFlags & CWP_SKIPTRANSPARENT)
408 {
409 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
410 }
411 break;
412 }
413 retvalue = list[i];
414 HeapFree( GetProcessHeap(), 0, list );
415 if (!retvalue) retvalue = hwndParent;
416 return retvalue;
417 }
418
419
420 /*******************************************************************
421 * WINPOS_GetWinOffset
422 *
423 * Calculate the offset between the origin of the two windows. Used
424 * to implement MapWindowPoints.
425 */
426 static POINT WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, BOOL *mirrored )
427 {
428 WND * wndPtr;
429 POINT offset;
430 BOOL mirror_from, mirror_to;
431 HWND hwnd;
432
433 offset.x = offset.y = 0;
434 *mirrored = mirror_from = mirror_to = FALSE;
435
436 /* Translate source window origin to screen coords */
437 if (hwndFrom)
438 {
439 if (!(wndPtr = WIN_GetPtr( hwndFrom ))) return offset;
440 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
441 if (wndPtr != WND_DESKTOP)
442 {
443 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
444 {
445 mirror_from = TRUE;
446 offset.x += wndPtr->rectClient.right - wndPtr->rectClient.left;
447 }
448 while (wndPtr->parent)
449 {
450 offset.x += wndPtr->rectClient.left;
451 offset.y += wndPtr->rectClient.top;
452 hwnd = wndPtr->parent;
453 WIN_ReleasePtr( wndPtr );
454 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
455 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
456 if (wndPtr == WND_DESKTOP) break;
457 if (wndPtr->flags & WIN_CHILDREN_MOVED)
458 {
459 WIN_ReleasePtr( wndPtr );
460 goto other_process;
461 }
462 }
463 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
464 }
465 }
466
467 /* Translate origin to destination window coords */
468 if (hwndTo)
469 {
470 if (!(wndPtr = WIN_GetPtr( hwndTo ))) return offset;
471 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
472 if (wndPtr != WND_DESKTOP)
473 {
474 if (wndPtr->dwExStyle & WS_EX_LAYOUTRTL)
475 {
476 mirror_to = TRUE;
477 offset.x -= wndPtr->rectClient.right - wndPtr->rectClient.left;
478 }
479 while (wndPtr->parent)
480 {
481 offset.x -= wndPtr->rectClient.left;
482 offset.y -= wndPtr->rectClient.top;
483 hwnd = wndPtr->parent;
484 WIN_ReleasePtr( wndPtr );
485 if (!(wndPtr = WIN_GetPtr( hwnd ))) break;
486 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
487 if (wndPtr == WND_DESKTOP) break;
488 if (wndPtr->flags & WIN_CHILDREN_MOVED)
489 {
490 WIN_ReleasePtr( wndPtr );
491 goto other_process;
492 }
493 }
494 if (wndPtr && wndPtr != WND_DESKTOP) WIN_ReleasePtr( wndPtr );
495 }
496 }
497
498 *mirrored = mirror_from ^ mirror_to;
499 if (mirror_from) offset.x = -offset.x;
500 return offset;
501
502 other_process: /* one of the parents may belong to another process, do it the hard way */
503 offset.x = offset.y = 0;
504 SERVER_START_REQ( get_windows_offset )
505 {
506 req->from = wine_server_user_handle( hwndFrom );
507 req->to = wine_server_user_handle( hwndTo );
508 if (!wine_server_call( req ))
509 {
510 offset.x = reply->x;
511 offset.y = reply->y;
512 *mirrored = reply->mirror;
513 }
514 }
515 SERVER_END_REQ;
516 return offset;
517 }
518
519 /* map coordinates of a window region */
520 void map_window_region( HWND from, HWND to, HRGN hrgn )
521 {
522 BOOL mirrored;
523 POINT offset = WINPOS_GetWinOffset( from, to, &mirrored );
524 UINT i, size;
525 RGNDATA *data;
526 HRGN new_rgn;
527 RECT *rect;
528
529 if (!mirrored)
530 {
531 OffsetRgn( hrgn, offset.x, offset.y );
532 return;
533 }
534 if (!(size = GetRegionData( hrgn, 0, NULL ))) return;
535 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return;
536 GetRegionData( hrgn, size, data );
537 rect = (RECT *)data->Buffer;
538 for (i = 0; i < data->rdh.nCount; i++)
539 {
540 int tmp = -(rect[i].left + offset.x);
541 rect[i].left = -(rect[i].right + offset.x);
542 rect[i].right = tmp;
543 rect[i].top += offset.y;
544 rect[i].bottom += offset.y;
545 }
546 if ((new_rgn = ExtCreateRegion( NULL, data->rdh.nCount, data )))
547 {
548 CombineRgn( hrgn, new_rgn, 0, RGN_COPY );
549 DeleteObject( new_rgn );
550 }
551 HeapFree( GetProcessHeap(), 0, data );
552 }
553
554
555 /*******************************************************************
556 * MapWindowPoints (USER32.@)
557 */
558 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
559 {
560 BOOL mirrored;
561 POINT offset = WINPOS_GetWinOffset( hwndFrom, hwndTo, &mirrored );
562 UINT i;
563
564 for (i = 0; i < count; i++)
565 {
566 lppt[i].x += offset.x;
567 lppt[i].y += offset.y;
568 if (mirrored) lppt[i].x = -lppt[i].x;
569 }
570 if (mirrored && count == 2) /* special case for rectangle */
571 {
572 int tmp = lppt[0].x;
573 lppt[0].x = lppt[1].x;
574 lppt[1].x = tmp;
575 }
576 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
577 }
578
579
580 /***********************************************************************
581 * IsIconic (USER32.@)
582 */
583 BOOL WINAPI IsIconic(HWND hWnd)
584 {
585 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
586 }
587
588
589 /***********************************************************************
590 * IsZoomed (USER32.@)
591 */
592 BOOL WINAPI IsZoomed(HWND hWnd)
593 {
594 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
595 }
596
597
598 /*******************************************************************
599 * AllowSetForegroundWindow (USER32.@)
600 */
601 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
602 {
603 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
604 * implemented, then fix this function. */
605 return TRUE;
606 }
607
608
609 /*******************************************************************
610 * LockSetForegroundWindow (USER32.@)
611 */
612 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
613 {
614 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
615 * implemented, then fix this function. */
616 return TRUE;
617 }
618
619
620 /***********************************************************************
621 * BringWindowToTop (USER32.@)
622 */
623 BOOL WINAPI BringWindowToTop( HWND hwnd )
624 {
625 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
626 }
627
628
629 /***********************************************************************
630 * MoveWindow (USER32.@)
631 */
632 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
633 BOOL repaint )
634 {
635 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
636 if (!repaint) flags |= SWP_NOREDRAW;
637 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
638 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
639 }
640
641
642 /***********************************************************************
643 * WINPOS_RedrawIconTitle
644 */
645 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
646 {
647 HWND icon_title = 0;
648 WND *win = WIN_GetPtr( hWnd );
649
650 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
651 {
652 icon_title = win->icon_title;
653 WIN_ReleasePtr( win );
654 }
655 if (!icon_title) return FALSE;
656 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
657 InvalidateRect( icon_title, NULL, TRUE );
658 return TRUE;
659 }
660
661 /***********************************************************************
662 * WINPOS_ShowIconTitle
663 */
664 static BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
665 {
666 if (!GetPropA( hwnd, "__wine_x11_managed" ))
667 {
668 WND *win = WIN_GetPtr( hwnd );
669 HWND title = 0;
670
671 TRACE("%p %i\n", hwnd, (bShow != 0) );
672
673 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
674 title = win->icon_title;
675 WIN_ReleasePtr( win );
676
677 if( bShow )
678 {
679 if (!title)
680 {
681 title = ICONTITLE_Create( hwnd );
682 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
683 {
684 DestroyWindow( title );
685 return FALSE;
686 }
687 win->icon_title = title;
688 WIN_ReleasePtr( win );
689 }
690 if (!IsWindowVisible(title))
691 {
692 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
693 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
694 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
695 }
696 }
697 else if (title) ShowWindow( title, SW_HIDE );
698 }
699 return FALSE;
700 }
701
702 /*******************************************************************
703 * WINPOS_GetMinMaxInfo
704 *
705 * Get the minimized and maximized information for a window.
706 */
707 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
708 POINT *minTrack, POINT *maxTrack )
709 {
710 MINMAXINFO MinMax;
711 HMONITOR monitor;
712 INT xinc, yinc;
713 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
714 LONG adjustedStyle;
715 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
716 RECT rc;
717 WND *win;
718
719 /* Compute default values */
720
721 GetWindowRect(hwnd, &rc);
722 MinMax.ptReserved.x = rc.left;
723 MinMax.ptReserved.y = rc.top;
724
725 if ((style & WS_CAPTION) == WS_CAPTION)
726 adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
727 else
728 adjustedStyle = style;
729
730 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
731 AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
732
733 xinc = -rc.left;
734 yinc = -rc.top;
735
736 MinMax.ptMaxSize.x = rc.right - rc.left;
737 MinMax.ptMaxSize.y = rc.bottom - rc.top;
738 if (style & (WS_DLGFRAME | WS_BORDER))
739 {
740 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
741 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
742 }
743 else
744 {
745 MinMax.ptMinTrackSize.x = 2 * xinc;
746 MinMax.ptMinTrackSize.y = 2 * yinc;
747 }
748 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
749 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
750 MinMax.ptMaxPosition.x = -xinc;
751 MinMax.ptMaxPosition.y = -yinc;
752
753 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
754 {
755 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
756 WIN_ReleasePtr( win );
757 }
758
759 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
760
761 /* if the app didn't change the values, adapt them for the current monitor */
762
763 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
764 {
765 RECT rc_work;
766 MONITORINFO mon_info;
767
768 mon_info.cbSize = sizeof(mon_info);
769 GetMonitorInfoW( monitor, &mon_info );
770
771 rc_work = mon_info.rcMonitor;
772
773 if (style & WS_MAXIMIZEBOX)
774 {
775 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
776 rc_work = mon_info.rcWork;
777 }
778
779 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
780 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
781 {
782 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
783 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
784 }
785 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
786 {
787 MinMax.ptMaxPosition.x = rc_work.left - xinc;
788 MinMax.ptMaxPosition.y = rc_work.top - yinc;
789 }
790 }
791
792 /* Some sanity checks */
793
794 TRACE("%d %d / %d %d / %d %d / %d %d\n",
795 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
796 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
797 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
798 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
799 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
800 MinMax.ptMinTrackSize.x );
801 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
802 MinMax.ptMinTrackSize.y );
803
804 if (maxSize) *maxSize = MinMax.ptMaxSize;
805 if (maxPos) *maxPos = MinMax.ptMaxPosition;
806 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
807 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
808 }
809
810
811 /***********************************************************************
812 * WINPOS_FindIconPos
813 *
814 * Find a suitable place for an iconic window.
815 */
816 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
817 {
818 RECT rect, rectParent;
819 HWND parent, child;
820 HRGN hrgn, tmp;
821 int xspacing, yspacing;
822
823 parent = GetAncestor( hwnd, GA_PARENT );
824 GetClientRect( parent, &rectParent );
825 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
826 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
827 return pt; /* The icon already has a suitable position */
828
829 xspacing = GetSystemMetrics(SM_CXICONSPACING);
830 yspacing = GetSystemMetrics(SM_CYICONSPACING);
831
832 /* Check if another icon already occupies this spot */
833 /* FIXME: this is completely inefficient */
834
835 hrgn = CreateRectRgn( 0, 0, 0, 0 );
836 tmp = CreateRectRgn( 0, 0, 0, 0 );
837 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
838 {
839 if (child == hwnd) continue;
840 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
841 continue;
842 if (WIN_GetRectangles( child, COORDS_PARENT, &rect, NULL ))
843 {
844 SetRectRgn( tmp, rect.left, rect.top, rect.right, rect.bottom );
845 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
846 }
847 }
848 DeleteObject( tmp );
849
850 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
851 {
852 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
853 {
854 rect.right = rect.left + xspacing;
855 rect.top = rect.bottom - yspacing;
856 if (!RectInRegion( hrgn, &rect ))
857 {
858 /* No window was found, so it's OK for us */
859 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
860 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
861 DeleteObject( hrgn );
862 return pt;
863 }
864 }
865 }
866 DeleteObject( hrgn );
867 pt.x = pt.y = 0;
868 return pt;
869 }
870
871
872 /***********************************************************************
873 * WINPOS_MinMaximize
874 */
875 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
876 {
877 WND *wndPtr;
878 UINT swpFlags = 0;
879 POINT size;
880 LONG old_style;
881 WINDOWPLACEMENT wpl;
882
883 TRACE("%p %u\n", hwnd, cmd );
884
885 wpl.length = sizeof(wpl);
886 GetWindowPlacement( hwnd, &wpl );
887
888 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
889 return SWP_NOSIZE | SWP_NOMOVE;
890
891 if (IsIconic( hwnd ))
892 {
893 switch (cmd)
894 {
895 case SW_SHOWMINNOACTIVE:
896 case SW_SHOWMINIMIZED:
897 case SW_FORCEMINIMIZE:
898 case SW_MINIMIZE:
899 return SWP_NOSIZE | SWP_NOMOVE;
900 }
901 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
902 swpFlags |= SWP_NOCOPYBITS;
903 }
904
905 switch( cmd )
906 {
907 case SW_SHOWMINNOACTIVE:
908 case SW_SHOWMINIMIZED:
909 case SW_FORCEMINIMIZE:
910 case SW_MINIMIZE:
911 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
912 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
913 else wndPtr->flags &= ~WIN_RESTORE_MAX;
914 WIN_ReleasePtr( wndPtr );
915
916 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
917
918 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
919
920 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
921 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
922 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
923 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
924 swpFlags |= SWP_NOCOPYBITS;
925 break;
926
927 case SW_MAXIMIZE:
928 old_style = GetWindowLongW( hwnd, GWL_STYLE );
929 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
930
931 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
932
933 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
934 if (old_style & WS_MINIMIZE)
935 {
936 if ((wndPtr = WIN_GetPtr( hwnd )) && wndPtr != WND_OTHER_PROCESS)
937 {
938 wndPtr->flags |= WIN_RESTORE_MAX;
939 WIN_ReleasePtr( wndPtr );
940 }
941 WINPOS_ShowIconTitle( hwnd, FALSE );
942 }
943
944 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
945 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
946 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
947 break;
948
949 case SW_SHOWNOACTIVATE:
950 if ((wndPtr = WIN_GetPtr( hwnd )) && wndPtr != WND_OTHER_PROCESS)
951 {
952 wndPtr->flags &= ~WIN_RESTORE_MAX;
953 WIN_ReleasePtr( wndPtr );
954 }
955 /* fall through */
956 case SW_SHOWNORMAL:
957 case SW_RESTORE:
958 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
959 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
960 if (old_style & WS_MINIMIZE)
961 {
962 BOOL restore_max;
963
964 WINPOS_ShowIconTitle( hwnd, FALSE );
965
966 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
967 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
968 WIN_ReleasePtr( wndPtr );
969 if (restore_max)
970 {
971 /* Restore to maximized position */
972 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
973 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
974 swpFlags |= SWP_STATECHANGED;
975 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
976 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
977 break;
978 }
979 }
980 else if (!(old_style & WS_MAXIMIZE)) break;
981
982 swpFlags |= SWP_STATECHANGED;
983
984 /* Restore to normal position */
985
986 *rect = wpl.rcNormalPosition;
987 break;
988 }
989
990 return swpFlags;
991 }
992
993
994 /***********************************************************************
995 * show_window
996 *
997 * Implementation of ShowWindow and ShowWindowAsync.
998 */
999 static BOOL show_window( HWND hwnd, INT cmd )
1000 {
1001 WND *wndPtr;
1002 HWND parent;
1003 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1004 BOOL wasVisible = (style & WS_VISIBLE) != 0;
1005 BOOL showFlag = TRUE;
1006 RECT newPos = {0, 0, 0, 0};
1007 UINT swp = 0;
1008
1009 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
1010
1011 switch(cmd)
1012 {
1013 case SW_HIDE:
1014 if (!wasVisible) return FALSE;
1015 showFlag = FALSE;
1016 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1017 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1018 break;
1019
1020 case SW_SHOWMINNOACTIVE:
1021 case SW_MINIMIZE:
1022 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
1023 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1024 /* fall through */
1025 case SW_SHOWMINIMIZED:
1026 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
1027 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1028 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
1029 break;
1030
1031 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
1032 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1033 swp |= SWP_FRAMECHANGED;
1034 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1035 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1036 break;
1037
1038 case SW_SHOWNA:
1039 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1040 if (style & WS_CHILD) swp |= SWP_NOZORDER;
1041 break;
1042 case SW_SHOW:
1043 if (wasVisible) return TRUE;
1044 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1045 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1046 break;
1047
1048 case SW_SHOWNOACTIVATE:
1049 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1050 /* fall through */
1051 case SW_RESTORE:
1052 /* fall through */
1053 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1054 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1055 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1056 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1057 {
1058 swp |= SWP_FRAMECHANGED;
1059 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1060 }
1061 else
1062 {
1063 if (wasVisible) return TRUE;
1064 swp |= SWP_NOSIZE | SWP_NOMOVE;
1065 }
1066 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1067 break;
1068 default:
1069 return wasVisible;
1070 }
1071
1072 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1073 {
1074 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1075 if (!IsWindow( hwnd )) return wasVisible;
1076 }
1077
1078 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1079
1080 parent = GetAncestor( hwnd, GA_PARENT );
1081 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1082 {
1083 /* if parent is not visible simply toggle WS_VISIBLE and return */
1084 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1085 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1086 }
1087 else
1088 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1089 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1090
1091 if (cmd == SW_HIDE)
1092 {
1093 HWND hFocus;
1094
1095 WINPOS_ShowIconTitle( hwnd, FALSE );
1096
1097 /* FIXME: This will cause the window to be activated irrespective
1098 * of whether it is owned by the same thread. Has to be done
1099 * asynchronously.
1100 */
1101
1102 if (hwnd == GetActiveWindow())
1103 WINPOS_ActivateOtherWindow(hwnd);
1104
1105 /* Revert focus to parent */
1106 hFocus = GetFocus();
1107 if (hwnd == hFocus)
1108 {
1109 HWND parent = GetAncestor(hwnd, GA_PARENT);
1110 if (parent == GetDesktopWindow()) parent = 0;
1111 SetFocus(parent);
1112 }
1113 return wasVisible;
1114 }
1115
1116 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1117
1118 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1119
1120 if (wndPtr->flags & WIN_NEED_SIZE)
1121 {
1122 /* should happen only in CreateWindowEx() */
1123 int wParam = SIZE_RESTORED;
1124 RECT client;
1125 LPARAM lparam;
1126
1127 WIN_GetRectangles( hwnd, COORDS_PARENT, NULL, &client );
1128 lparam = MAKELONG( client.right - client.left, client.bottom - client.top );
1129 wndPtr->flags &= ~WIN_NEED_SIZE;
1130 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1131 else if (wndPtr->dwStyle & WS_MINIMIZE)
1132 {
1133 wParam = SIZE_MINIMIZED;
1134 lparam = 0;
1135 }
1136 WIN_ReleasePtr( wndPtr );
1137
1138 SendMessageW( hwnd, WM_SIZE, wParam, lparam );
1139 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1140 }
1141 else WIN_ReleasePtr( wndPtr );
1142
1143 /* if previous state was minimized Windows sets focus to the window */
1144 if (style & WS_MINIMIZE) SetFocus( hwnd );
1145
1146 return wasVisible;
1147 }
1148
1149
1150 /***********************************************************************
1151 * ShowWindowAsync (USER32.@)
1152 *
1153 * doesn't wait; returns immediately.
1154 * used by threads to toggle windows in other (possibly hanging) threads
1155 */
1156 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1157 {
1158 HWND full_handle;
1159
1160 if (is_broadcast(hwnd))
1161 {
1162 SetLastError( ERROR_INVALID_PARAMETER );
1163 return FALSE;
1164 }
1165
1166 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1167 return show_window( full_handle, cmd );
1168
1169 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1170 }
1171
1172
1173 /***********************************************************************
1174 * ShowWindow (USER32.@)
1175 */
1176 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1177 {
1178 HWND full_handle;
1179
1180 if (is_broadcast(hwnd))
1181 {
1182 SetLastError( ERROR_INVALID_PARAMETER );
1183 return FALSE;
1184 }
1185 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1186 return show_window( full_handle, cmd );
1187
1188 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1189 }
1190
1191
1192 /***********************************************************************
1193 * GetInternalWindowPos (USER32.@)
1194 */
1195 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1196 LPPOINT ptIcon )
1197 {
1198 WINDOWPLACEMENT wndpl;
1199 if (GetWindowPlacement( hwnd, &wndpl ))
1200 {
1201 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1202 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1203 return wndpl.showCmd;
1204 }
1205 return 0;
1206 }
1207
1208
1209 /***********************************************************************
1210 * GetWindowPlacement (USER32.@)
1211 *
1212 * Win95:
1213 * Fails if wndpl->length of Win95 (!) apps is invalid.
1214 */
1215 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1216 {
1217 WND *pWnd = WIN_GetPtr( hwnd );
1218
1219 if (!pWnd) return FALSE;
1220
1221 if (pWnd == WND_DESKTOP)
1222 {
1223 wndpl->length = sizeof(*wndpl);
1224 wndpl->showCmd = SW_SHOWNORMAL;
1225 wndpl->flags = 0;
1226 wndpl->ptMinPosition.x = -1;
1227 wndpl->ptMinPosition.y = -1;
1228 wndpl->ptMaxPosition.x = -1;
1229 wndpl->ptMaxPosition.y = -1;
1230 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1231 return TRUE;
1232 }
1233 if (pWnd == WND_OTHER_PROCESS)
1234 {
1235 if (!IsWindow( hwnd )) return FALSE;
1236 FIXME( "not supported on other process window %p\n", hwnd );
1237 /* provide some dummy information */
1238 wndpl->length = sizeof(*wndpl);
1239 wndpl->showCmd = SW_SHOWNORMAL;
1240 wndpl->flags = 0;
1241 wndpl->ptMinPosition.x = -1;
1242 wndpl->ptMinPosition.y = -1;
1243 wndpl->ptMaxPosition.x = -1;
1244 wndpl->ptMaxPosition.y = -1;
1245 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1246 return TRUE;
1247 }
1248
1249 /* update the placement according to the current style */
1250 if (pWnd->dwStyle & WS_MINIMIZE)
1251 {
1252 pWnd->min_pos.x = pWnd->rectWindow.left;
1253 pWnd->min_pos.y = pWnd->rectWindow.top;
1254 }
1255 else if (pWnd->dwStyle & WS_MAXIMIZE)
1256 {
1257 pWnd->max_pos.x = pWnd->rectWindow.left;
1258 pWnd->max_pos.y = pWnd->rectWindow.top;
1259 }
1260 else
1261 {
1262 pWnd->normal_rect = pWnd->rectWindow;
1263 }
1264
1265 wndpl->length = sizeof(*wndpl);
1266 if( pWnd->dwStyle & WS_MINIMIZE )
1267 wndpl->showCmd = SW_SHOWMINIMIZED;
1268 else
1269 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1270 if( pWnd->flags & WIN_RESTORE_MAX )
1271 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1272 else
1273 wndpl->flags = 0;
1274 wndpl->ptMinPosition = pWnd->min_pos;
1275 wndpl->ptMaxPosition = pWnd->max_pos;
1276 wndpl->rcNormalPosition = pWnd->normal_rect;
1277 WIN_ReleasePtr( pWnd );
1278
1279 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1280 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1281 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1282 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1283 return TRUE;
1284 }
1285
1286 /* make sure the specified rect is visible on screen */
1287 static void make_rect_onscreen( RECT *rect )
1288 {
1289 MONITORINFO info;
1290 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1291
1292 info.cbSize = sizeof(info);
1293 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1294 /* FIXME: map coordinates from rcWork to rcMonitor */
1295 if (rect->right <= info.rcWork.left)
1296 {
1297 rect->right += info.rcWork.left - rect->left;
1298 rect->left = info.rcWork.left;
1299 }
1300 else if (rect->left >= info.rcWork.right)
1301 {
1302 rect->left += info.rcWork.right - rect->right;
1303 rect->right = info.rcWork.right;
1304 }
1305 if (rect->bottom <= info.rcWork.top)
1306 {
1307 rect->bottom += info.rcWork.top - rect->top;
1308 rect->top = info.rcWork.top;
1309 }
1310 else if (rect->top >= info.rcWork.bottom)
1311 {
1312 rect->top += info.rcWork.bottom - rect->bottom;
1313 rect->bottom = info.rcWork.bottom;
1314 }
1315 }
1316
1317 /* make sure the specified point is visible on screen */
1318 static void make_point_onscreen( POINT *pt )
1319 {
1320 RECT rect;
1321
1322 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1323 make_rect_onscreen( &rect );
1324 pt->x = rect.left;
1325 pt->y = rect.top;
1326 }
1327
1328
1329 /***********************************************************************
1330 * WINPOS_SetPlacement
1331 */
1332 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1333 {
1334 DWORD style;
1335 WND *pWnd = WIN_GetPtr( hwnd );
1336 WINDOWPLACEMENT wp = *wndpl;
1337
1338 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1339 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1340 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1341
1342 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1343 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1344 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1345 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1346 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1347 wine_dbgstr_rect(&wp.rcNormalPosition) );
1348
1349 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1350
1351 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1352 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1353 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1354
1355 style = pWnd->dwStyle;
1356
1357 WIN_ReleasePtr( pWnd );
1358
1359 if( style & WS_MINIMIZE )
1360 {
1361 if (flags & PLACE_MIN)
1362 {
1363 WINPOS_ShowIconTitle( hwnd, FALSE );
1364 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1365 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1366 }
1367 }
1368 else if( style & WS_MAXIMIZE )
1369 {
1370 if (flags & PLACE_MAX)
1371 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1372 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1373 }
1374 else if( flags & PLACE_RECT )
1375 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1376 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1377 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1378 SWP_NOZORDER | SWP_NOACTIVATE );
1379
1380 ShowWindow( hwnd, wndpl->showCmd );
1381
1382 if (IsIconic( hwnd ))
1383 {
1384 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1385
1386 /* SDK: ...valid only the next time... */
1387 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1388 {
1389 pWnd = WIN_GetPtr( hwnd );
1390 if (pWnd && pWnd != WND_OTHER_PROCESS)
1391 {
1392 pWnd->flags |= WIN_RESTORE_MAX;
1393 WIN_ReleasePtr( pWnd );
1394 }
1395 }
1396 }
1397 return TRUE;
1398 }
1399
1400
1401 /***********************************************************************
1402 * SetWindowPlacement (USER32.@)
1403 *
1404 * Win95:
1405 * Fails if wndpl->length of Win95 (!) apps is invalid.
1406 */
1407 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1408 {
1409 UINT flags = PLACE_MAX | PLACE_RECT;
1410 if (!wpl) return FALSE;
1411 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1412 return WINPOS_SetPlacement( hwnd, wpl, flags );
1413 }
1414
1415
1416 /***********************************************************************
1417 * AnimateWindow (USER32.@)
1418 * Shows/Hides a window with an animation
1419 * NO ANIMATION YET
1420 */
1421 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1422 {
1423 FIXME("partial stub\n");
1424
1425 /* If trying to show/hide and it's already *
1426 * shown/hidden or invalid window, fail with *
1427 * invalid parameter */
1428 if(!IsWindow(hwnd) ||
1429 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1430 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1431 {
1432 SetLastError(ERROR_INVALID_PARAMETER);
1433 return FALSE;
1434 }
1435
1436 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1437
1438 return TRUE;
1439 }
1440
1441 /***********************************************************************
1442 * SetInternalWindowPos (USER32.@)
1443 */
1444 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1445 LPRECT rect, LPPOINT pt )
1446 {
1447 WINDOWPLACEMENT wndpl;
1448 UINT flags;
1449
1450 wndpl.length = sizeof(wndpl);
1451 wndpl.showCmd = showCmd;
1452 wndpl.flags = flags = 0;
1453
1454 if( pt )
1455 {
1456 flags |= PLACE_MIN;
1457 wndpl.flags |= WPF_SETMINPOSITION;
1458 wndpl.ptMinPosition = *pt;
1459 }
1460 if( rect )
1461 {
1462 flags |= PLACE_RECT;
1463 wndpl.rcNormalPosition = *rect;
1464 }
1465 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1466 }
1467
1468
1469 /*******************************************************************
1470 * can_activate_window
1471 *
1472 * Check if we can activate the specified window.
1473 */
1474 static BOOL can_activate_window( HWND hwnd )
1475 {
1476 LONG style;
1477
1478 if (!hwnd) return FALSE;
1479 style = GetWindowLongW( hwnd, GWL_STYLE );
1480 if (!(style & WS_VISIBLE)) return FALSE;
1481 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1482 return !(style & WS_DISABLED);
1483 }
1484
1485
1486 /*******************************************************************
1487 * WINPOS_ActivateOtherWindow
1488 *
1489 * Activates window other than pWnd.
1490 */
1491 void WINPOS_ActivateOtherWindow(HWND hwnd)
1492 {
1493 HWND hwndTo, fg;
1494
1495 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1496 {
1497 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1498 if (can_activate_window( hwndTo )) goto done;
1499 }
1500
1501 hwndTo = hwnd;
1502 for (;;)
1503 {
1504 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1505 if (can_activate_window( hwndTo )) break;
1506 }
1507
1508 done:
1509 fg = GetForegroundWindow();
1510 TRACE("win = %p fg = %p\n", hwndTo, fg);
1511 if (!fg || (hwnd == fg))
1512 {
1513 if (SetForegroundWindow( hwndTo )) return;
1514 }
1515 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1516 }
1517
1518
1519 /***********************************************************************
1520 * WINPOS_HandleWindowPosChanging
1521 *
1522 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1523 */
1524 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1525 {
1526 POINT minTrack, maxTrack;
1527 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1528
1529 if (winpos->flags & SWP_NOSIZE) return 0;
1530 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1531 {
1532 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1533 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1534 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1535 if (!(style & WS_MINIMIZE))
1536 {
1537 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1538 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1539 }
1540 }
1541 return 0;
1542 }
1543
1544
1545 /***********************************************************************
1546 * dump_winpos_flags
1547 */
1548 static void dump_winpos_flags(UINT flags)
1549 {
1550 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1551 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1552 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1553 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1554 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1555 TRACE("flags:");
1556 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1557 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1558 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1559 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1560 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1561 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1562 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1563 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1564 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1565 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1566 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1567 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1568 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1569 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1570 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1571 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1572
1573 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1574 TRACE("\n");
1575 }
1576
1577 /***********************************************************************
1578 * SWP_DoWinPosChanging
1579 */
1580 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1581 {
1582 WND *wndPtr;
1583 RECT window_rect, client_rect;
1584
1585 /* Send WM_WINDOWPOSCHANGING message */
1586
1587 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1588 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1589
1590 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1591 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1592
1593 /* Calculate new position and size */
1594
1595 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1596 *pNewWindowRect = window_rect;
1597 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? window_rect : client_rect;
1598
1599 if (!(pWinpos->flags & SWP_NOSIZE))
1600 {
1601 if (wndPtr->dwStyle & WS_MINIMIZE)
1602 {
1603 pNewWindowRect->right = pNewWindowRect->left + GetSystemMetrics(SM_CXICON);
1604 pNewWindowRect->bottom = pNewWindowRect->top + GetSystemMetrics(SM_CYICON);
1605 }
1606 else
1607 {
1608 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1609 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1610 }
1611 }
1612 if (!(pWinpos->flags & SWP_NOMOVE))
1613 {
1614 pNewWindowRect->left = pWinpos->x;
1615 pNewWindowRect->top = pWinpos->y;
1616 pNewWindowRect->right += pWinpos->x - window_rect.left;
1617 pNewWindowRect->bottom += pWinpos->y - window_rect.top;
1618
1619 OffsetRect( pNewClientRect, pWinpos->x - window_rect.left,
1620 pWinpos->y - window_rect.top );
1621 }
1622 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1623
1624 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1625 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1626 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1627 TRACE( "current %s style %08x new %s\n",
1628 wine_dbgstr_rect( &window_rect ), wndPtr->dwStyle,
1629 wine_dbgstr_rect( pNewWindowRect ));
1630
1631 WIN_ReleasePtr( wndPtr );
1632 return TRUE;
1633 }
1634
1635 /***********************************************************************
1636 * get_valid_rects
1637 *
1638 * Compute the valid rects from the old and new client rect and WVR_* flags.
1639 * Helper for WM_NCCALCSIZE handling.
1640 */
1641 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1642 RECT *valid )
1643 {
1644 int cx, cy;
1645
1646 if (flags & WVR_REDRAW)
1647 {
1648 SetRectEmpty( &valid[0] );
1649 SetRectEmpty( &valid[1] );
1650 return;
1651 }
1652
1653 if (flags & WVR_VALIDRECTS)
1654 {
1655 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1656 !IntersectRect( &valid[1], &valid[1], old_client ))
1657 {
1658 SetRectEmpty( &valid[0] );
1659 SetRectEmpty( &valid[1] );
1660 return;
1661 }
1662 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1663 }
1664 else
1665 {
1666 valid[0] = *new_client;
1667 valid[1] = *old_client;
1668 }
1669
1670 /* make sure the rectangles have the same size */
1671 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1672 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1673
1674 if (flags & WVR_ALIGNBOTTOM)
1675 {
1676 valid[0].top = valid[0].bottom - cy;
1677 valid[1].top = valid[1].bottom - cy;
1678 }
1679 else
1680 {
1681 valid[0].bottom = valid[0].top + cy;
1682 valid[1].bottom = valid[1].top + cy;
1683 }
1684 if (flags & WVR_ALIGNRIGHT)
1685 {
1686 valid[0].left = valid[0].right - cx;
1687 valid[1].left = valid[1].right - cx;
1688 }
1689 else
1690 {
1691 valid[0].right = valid[0].left + cx;
1692 valid[1].right = valid[1].left + cx;
1693 }
1694 }
1695
1696
1697 /***********************************************************************
1698 * SWP_DoOwnedPopups
1699 *
1700 * fix Z order taking into account owned popups -
1701 * basically we need to maintain them above the window that owns them
1702 *
1703 * FIXME: hide/show owned popups when owner visibility changes.
1704 */
1705 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1706 {
1707 HWND owner, *list = NULL;
1708 unsigned int i;
1709
1710 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1711
1712 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_CHILD) return hwndInsertAfter;
1713
1714 if ((owner = GetWindow( hwnd, GW_OWNER )))
1715 {
1716 /* make sure this popup stays above the owner */
1717
1718 if (hwndInsertAfter != HWND_TOPMOST)
1719 {
1720 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1721
1722 for (i = 0; list[i]; i++)
1723 {
1724 BOOL topmost = (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
1725
1726 if (list[i] == owner)
1727 {
1728 if (i > 0) hwndInsertAfter = list[i-1];
1729 else hwndInsertAfter = topmost ? HWND_TOPMOST : HWND_TOP;
1730 break;
1731 }
1732
1733 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1734 {
1735 if (!topmost) break;
1736 }
1737 else if (list[i] == hwndInsertAfter) break;
1738 }
1739 }
1740 }
1741
1742 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1743 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1744
1745 i = 0;
1746 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1747 {
1748 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1749 {
1750 /* skip all the topmost windows */
1751 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1752 }
1753 }
1754 else if (hwndInsertAfter != HWND_TOPMOST)
1755 {
1756 /* skip windows that are already placed correctly */
1757 for (i = 0; list[i]; i++)
1758 {
1759 if (list[i] == hwndInsertAfter) break;
1760 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1761 }
1762 }
1763
1764 for ( ; list[i]; i++)
1765 {
1766 if (list[i] == hwnd) break;
1767 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1768 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1769 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1770 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1771 hwndInsertAfter = list[i];
1772 }
1773
1774 done:
1775 HeapFree( GetProcessHeap(), 0, list );
1776 return hwndInsertAfter;
1777 }
1778
1779 /***********************************************************************
1780 * SWP_DoNCCalcSize
1781 */
1782 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1783 RECT *validRects )
1784 {
1785 UINT wvrFlags = 0;
1786 RECT window_rect, client_rect;
1787
1788 WIN_GetRectangles( pWinpos->hwnd, COORDS_PARENT, &window_rect, &client_rect );
1789
1790 /* Send WM_NCCALCSIZE message to get new client area */
1791 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1792 {
1793 NCCALCSIZE_PARAMS params;
1794 WINDOWPOS winposCopy;
1795
1796 params.rgrc[0] = *pNewWindowRect;
1797 params.rgrc[1] = window_rect;
1798 params.rgrc[2] = client_rect;
1799 params.lppos = &winposCopy;
1800 winposCopy = *pWinpos;
1801
1802 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1803
1804 *pNewClientRect = params.rgrc[0];
1805
1806 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1807 wine_dbgstr_rect(&window_rect), wine_dbgstr_rect(&client_rect),
1808 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1809
1810 if( pNewClientRect->left != client_rect.left ||
1811 pNewClientRect->top != client_rect.top )
1812 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1813
1814 if( (pNewClientRect->right - pNewClientRect->left !=
1815 client_rect.right - client_rect.left))
1816 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1817 else
1818 wvrFlags &= ~WVR_HREDRAW;
1819
1820 if (pNewClientRect->bottom - pNewClientRect->top !=
1821 client_rect.bottom - client_rect.top)
1822 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1823 else
1824 wvrFlags &= ~WVR_VREDRAW;
1825
1826 validRects[0] = params.rgrc[1];
1827 validRects[1] = params.rgrc[2];
1828 }
1829 else
1830 {
1831 if (!(pWinpos->flags & SWP_NOMOVE) &&
1832 (pNewClientRect->left != client_rect.left ||
1833 pNewClientRect->top != client_rect.top))
1834 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1835 }
1836
1837 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1838 {
1839 SetRectEmpty( &validRects[0] );
1840 SetRectEmpty( &validRects[1] );
1841 }
1842 else get_valid_rects( &client_rect, pNewClientRect, wvrFlags, validRects );
1843
1844 return wvrFlags;
1845 }
1846
1847 /* fix redundant flags and values in the WINDOWPOS structure */
1848 static BOOL fixup_flags( WINDOWPOS *winpos )
1849 {
1850 HWND parent;
1851 RECT window_rect;
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 (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1877 else
1878 {
1879 winpos->flags &= ~SWP_HIDEWINDOW;
1880 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1881 }
1882
1883 WIN_GetRectangles( winpos->hwnd, COORDS_PARENT, &window_rect, NULL );
1884 if ((window_rect.right - window_rect.left == winpos->cx) &&
1885 (window_rect.bottom - window_rect.top == winpos->cy))
1886 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1887
1888 if ((window_rect.left == winpos->x) && (window_rect.top == winpos->y))
1889 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1890
1891 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1892 {
1893 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1894 (winpos->flags & SWP_NOZORDER ||
1895 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1896 {
1897 winpos->flags &= ~SWP_NOZORDER;
1898 winpos->hwndInsertAfter = HWND_TOP;
1899 }
1900 }
1901
1902 /* Check hwndInsertAfter */
1903 if (winpos->flags & SWP_NOZORDER) goto done;
1904
1905 if (winpos->hwndInsertAfter == HWND_TOP)
1906 {
1907 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1908 winpos->flags |= SWP_NOZORDER;
1909 }
1910 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1911 {
1912 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1913 winpos->flags |= SWP_NOZORDER;
1914 }
1915 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1916 {
1917 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1918 winpos->flags |= SWP_NOZORDER;
1919 }
1920 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1921 {
1922 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1923 winpos->flags |= SWP_NOZORDER;
1924 }
1925 else
1926 {
1927 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1928 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1929 winpos->flags |= SWP_NOZORDER;
1930 }
1931 done:
1932 WIN_ReleasePtr( wndPtr );
1933 return ret;
1934 }
1935
1936
1937 /***********************************************************************
1938 * set_window_pos
1939 *
1940 * Backend implementation of SetWindowPos.
1941 */
1942 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1943 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1944 {
1945 WND *win;
1946 BOOL ret;
1947 RECT visible_rect, old_window_rect;
1948 int old_width;
1949
1950 visible_rect = *window_rect;
1951 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
1952 window_rect, client_rect, &visible_rect );
1953
1954 WIN_GetRectangles( hwnd, COORDS_SCREEN, &old_window_rect, NULL );
1955
1956 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1957 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1958 old_width = win->rectClient.right - win->rectClient.left;
1959
1960 SERVER_START_REQ( set_window_pos )
1961 {
1962 req->handle = wine_server_user_handle( hwnd );
1963 req->previous = wine_server_user_handle( insert_after );
1964 req->flags = swp_flags;
1965 req->window.left = window_rect->left;
1966 req->window.top = window_rect->top;
1967 req->window.right = window_rect->right;
1968 req->window.bottom = window_rect->bottom;
1969 req->client.left = client_rect->left;
1970 req->client.top = client_rect->top;
1971 req->client.right = client_rect->right;
1972 req->client.bottom = client_rect->bottom;
1973 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
1974 {
1975 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
1976 if (!IsRectEmpty( &valid_rects[0] ))
1977 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1978 }
1979 if ((ret = !wine_server_call( req )))
1980 {
1981 win->dwStyle = reply->new_style;
1982 win->dwExStyle = reply->new_ex_style;
1983 win->rectWindow = *window_rect;
1984 win->rectClient = *client_rect;
1985 if (GetWindowLongW( win->parent, GWL_EXSTYLE ) & WS_EX_LAYOUTRTL)
1986 {
1987 RECT client;
1988 GetClientRect( win->parent, &client );
1989 mirror_rect( &client, &win->rectWindow );
1990 mirror_rect( &client, &win->rectClient );
1991 }
1992 /* if an RTL window is resized the children have moved */
1993 if (win->dwExStyle & WS_EX_LAYOUTRTL && client_rect->right - client_rect->left != old_width)
1994 win->flags |= WIN_CHILDREN_MOVED;
1995 }
1996 }
1997 SERVER_END_REQ;
1998 WIN_ReleasePtr( win );
1999
2000 if (ret)
2001 {
2002 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
2003 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
2004 invalidate_dce( hwnd, &old_window_rect );
2005
2006 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
2007 client_rect, &visible_rect, valid_rects );
2008 }
2009 return ret;
2010 }
2011
2012
2013 /***********************************************************************
2014 * USER_SetWindowPos
2015 *
2016 * User32 internal function
2017 */
2018 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
2019 {
2020 RECT newWindowRect, newClientRect, valid_rects[2];
2021 UINT orig_flags;
2022
2023 orig_flags = winpos->flags;
2024
2025 /* First, check z-order arguments. */
2026 if (!(winpos->flags & SWP_NOZORDER))
2027 {
2028 /* fix sign extension */
2029 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
2030 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
2031
2032 if (!(winpos->hwndInsertAfter == HWND_TOP ||
2033 winpos->hwndInsertAfter == HWND_BOTTOM ||
2034 winpos->hwndInsertAfter == HWND_TOPMOST ||
2035 winpos->hwndInsertAfter == HWND_NOTOPMOST))
2036 {
2037 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2038 HWND insertafter_parent = GetAncestor( winpos->hwndInsertAfter, GA_PARENT );
2039
2040 /* hwndInsertAfter must be a sibling of the window */
2041 if (!insertafter_parent) return FALSE;
2042 if (insertafter_parent != parent) return TRUE;
2043 }
2044 }
2045
2046 /* Make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
2047 if (!(winpos->flags & SWP_NOMOVE))
2048 {
2049 if (winpos->x < -32768) winpos->x = -32768;
2050 else if (winpos->x > 32767) winpos->x = 32767;
2051 if (winpos->y < -32768) winpos->y = -32768;
2052 else if (winpos->y > 32767) winpos->y = 32767;
2053 }
2054 if (!(winpos->flags & SWP_NOSIZE))
2055 {
2056 if (winpos->cx < 0) winpos->cx = 0;
2057 else if (winpos->cx > 32767) winpos->cx = 32767;
2058 if (winpos->cy < 0) winpos->cy = 0;
2059 else if (winpos->cy > 32767) winpos->cy = 32767;
2060 }
2061
2062 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
2063
2064 /* Fix redundant flags */
2065 if (!fixup_flags( winpos )) return FALSE;
2066
2067 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
2068 {
2069 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
2070 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
2071 }
2072
2073 /* Common operations */
2074
2075 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
2076
2077 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
2078 &newWindowRect, &newClientRect, valid_rects ))
2079 return FALSE;
2080
2081 /* erase parent when hiding or resizing child */
2082 if (!(orig_flags & SWP_DEFERERASE) &&
2083 ((orig_flags & SWP_HIDEWINDOW) ||
2084 (!(orig_flags & SWP_SHOWWINDOW) &&
2085 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
2086 {
2087 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
2088 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
2089 erase_now( parent, 0 );
2090 }
2091
2092 if( winpos->flags & SWP_HIDEWINDOW )
2093 HideCaret(winpos->hwnd);
2094 else if (winpos->flags & SWP_SHOWWINDOW)
2095 ShowCaret(winpos->hwnd);
2096
2097 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2098 {
2099 /* child windows get WM_CHILDACTIVATE message */
2100 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2101 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2102 else
2103 SetForegroundWindow( winpos->hwnd );
2104 }
2105
2106 /* And last, send the WM_WINDOWPOSCHANGED message */
2107
2108 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2109
2110 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2111 {
2112 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2113 and always contains final window position.
2114 */
2115 winpos->x = newWindowRect.left;
2116 winpos->y = newWindowRect.top;
2117 winpos->cx = newWindowRect.right - newWindowRect.left;
2118 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2119 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2120 }
2121 return TRUE;
2122 }
2123
2124 /***********************************************************************
2125 * SetWindowPos (USER32.@)
2126 */
2127 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2128 INT x, INT y, INT cx, INT cy, UINT flags )
2129 {
2130 WINDOWPOS winpos;
2131
2132 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2133 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2134 if(TRACE_ON(win)) dump_winpos_flags(flags);
2135
2136 if (is_broadcast(hwnd))
2137 {
2138 SetLastError( ERROR_INVALID_PARAMETER );
2139 return FALSE;
2140 }
2141
2142 winpos.hwnd = WIN_GetFullHandle(hwnd);
2143 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2144 winpos.x = x;
2145 winpos.y = y;
2146 winpos.cx = cx;
2147 winpos.cy = cy;
2148 winpos.flags = flags;
2149
2150 if (WIN_IsCurrentThread( hwnd ))
2151 return USER_SetWindowPos(&winpos);
2152
2153 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2154 }
2155
2156
2157 /***********************************************************************
2158 * BeginDeferWindowPos (USER32.@)
2159 */
2160 HDWP WINAPI BeginDeferWindowPos( INT count )
2161 {
2162 HDWP handle = 0;
2163 DWP *pDWP;
2164
2165 TRACE("%d\n", count);
2166
2167 if (count < 0)
2168 {
2169 SetLastError(ERROR_INVALID_PARAMETER);
2170 return 0;
2171 }
2172 /* Windows allows zero count, in which case it allocates context for 8 moves */
2173 if (count == 0) count = 8;
2174
2175 if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
2176
2177 pDWP->actualCount = 0;
2178 pDWP->suggestedCount = count;
2179 pDWP->hwndParent = 0;
2180
2181 if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
2182 !(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
2183 {
2184 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2185 HeapFree( GetProcessHeap(), 0, pDWP );
2186 }
2187
2188 TRACE("returning hdwp %p\n", handle);
2189 return handle;
2190 }
2191
2192
2193 /***********************************************************************
2194 * DeferWindowPos (USER32.@)
2195 */
2196 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2197 INT x, INT y, INT cx, INT cy,
2198 UINT flags )
2199 {
2200 DWP *pDWP;
2201 int i;
2202 HDWP retvalue = hdwp;
2203
2204 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2205 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2206
2207 hwnd = WIN_GetFullHandle( hwnd );
2208 if (is_desktop_window( hwnd )) return 0;
2209
2210 if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
2211 if (pDWP == OBJ_OTHER_PROCESS)
2212 {
2213 FIXME( "other process handle %p?\n", hdwp );
2214 return 0;
2215 }
2216
2217 for (i = 0; i < pDWP->actualCount; i++)
2218 {
2219 if (pDWP->winPos[i].hwnd == hwnd)
2220 {
2221 /* Merge with the other changes */
2222 if (!(flags & SWP_NOZORDER))
2223 {
2224 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2225 }
2226 if (!(flags & SWP_NOMOVE))
2227 {
2228 pDWP->winPos[i].x = x;
2229 pDWP->winPos[i].y = y;
2230 }
2231 if (!(flags & SWP_NOSIZE))
2232 {
2233 pDWP->winPos[i].cx = cx;
2234 pDWP->winPos[i].cy = cy;
2235 }
2236 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2237 SWP_NOZORDER | SWP_NOREDRAW |
2238 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2239 SWP_NOOWNERZORDER);
2240 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2241 SWP_FRAMECHANGED);
2242 goto END;
2243 }
2244 }
2245 if (pDWP->actualCount >= pDWP->suggestedCount)
2246 {
2247 WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
2248 pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
2249 if (!newpos)
2250 {
2251 retvalue = 0;
2252 goto END;
2253 }
2254 pDWP->suggestedCount *= 2;
2255 pDWP->winPos = newpos;
2256 }
2257 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2258 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2259 pDWP->winPos[pDWP->actualCount].x = x;
2260 pDWP->winPos[pDWP->actualCount].y = y;
2261 pDWP->winPos[pDWP->actualCount].cx = cx;
2262 pDWP->winPos[pDWP->actualCount].cy = cy;
2263 pDWP->winPos[pDWP->actualCount].flags = flags;
2264 pDWP->actualCount++;
2265 END:
2266 release_user_handle_ptr( pDWP );
2267 return retvalue;
2268 }
2269
2270
2271 /***********************************************************************
2272 * EndDeferWindowPos (USER32.@)
2273 */
2274 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2275 {
2276 DWP *pDWP;
2277 WINDOWPOS *winpos;
2278 BOOL res = TRUE;
2279 int i;
2280
2281 TRACE("%p\n", hdwp);
2282
2283 if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
2284 if (pDWP == OBJ_OTHER_PROCESS)
2285 {
2286 FIXME( "other process handle %p?\n", hdwp );
2287 return FALSE;
2288 }
2289
2290 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2291 {
2292 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2293 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2294 winpos->cx, winpos->cy, winpos->flags);
2295
2296 if (WIN_IsCurrentThread( winpos->hwnd ))
2297 res = USER_SetWindowPos( winpos );
2298 else
2299 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2300 }
2301 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2302 HeapFree( GetProcessHeap(), 0, pDWP );
2303 return res;
2304 }
2305
2306
2307 /***********************************************************************
2308 * ArrangeIconicWindows (USER32.@)
2309 */
2310 UINT WINAPI ArrangeIconicWindows( HWND parent )
2311 {
2312 RECT rectParent;
2313 HWND hwndChild;
2314 INT x, y, xspacing, yspacing;
2315
2316 GetClientRect( parent, &rectParent );
2317 x = rectParent.left;
2318 y = rectParent.bottom;
2319 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2320 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2321
2322 hwndChild = GetWindow( parent, GW_CHILD );
2323 while (hwndChild)
2324 {
2325 if( IsIconic( hwndChild ) )
2326 {
2327 WINPOS_ShowIconTitle( hwndChild, FALSE );
2328
2329 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2330 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2331 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2332 if( IsWindow(hwndChild) )
2333 WINPOS_ShowIconTitle(hwndChild , TRUE );
2334
2335 if (x <= rectParent.right - xspacing) x += xspacing;
2336 else
2337 {
2338 x = rectParent.left;
2339 y -= yspacing;
2340 }
2341 }
2342 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2343 }
2344 return yspacing;
2345 }
2346
2347
2348 /***********************************************************************
2349 * draw_moving_frame
2350 *
2351 * Draw the frame used when moving or resizing window.
2352 */
2353 static void draw_moving_frame( HWND parent, HDC hdc, RECT *screen_rect, BOOL thickframe )
2354 {
2355 RECT rect = *screen_rect;
2356
2357 if (parent) MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2358 if (thickframe)
2359 {
2360 const int width = GetSystemMetrics(SM_CXFRAME);
2361 const int height = GetSystemMetrics(SM_CYFRAME);
2362
2363 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2364 PatBlt( hdc, rect.left, rect.top,
2365 rect.right - rect.left - width, height, PATINVERT );
2366 PatBlt( hdc, rect.left, rect.top + height, width,
2367 rect.bottom - rect.top - height, PATINVERT );
2368 PatBlt( hdc, rect.left + width, rect.bottom - 1,
2369 rect.right - rect.left - width, -height, PATINVERT );
2370 PatBlt( hdc, rect.right - 1, rect.top, -width,
2371 rect.bottom - rect.top - height, PATINVERT );
2372 SelectObject( hdc, hbrush );
2373 }
2374 else DrawFocusRect( hdc, &rect );
2375 }
2376
2377
2378 /***********************************************************************
2379 * start_size_move
2380 *
2381 * Initialization of a move or resize, when initiated from a menu choice.
2382 * Return hit test code for caption or sizing border.
2383 */
2384 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2385 {
2386 LONG hittest = 0;
2387 POINT pt;
2388 MSG msg;
2389 RECT rectWindow;
2390
2391 GetWindowRect( hwnd, &rectWindow );
2392
2393 if ((wParam & 0xfff0) == SC_MOVE)
2394 {
2395 /* Move pointer at the center of the caption */
2396 RECT rect = rectWindow;
2397 /* Note: to be exactly centered we should take the different types
2398 * of border into account, but it shouldn't make more than a few pixels
2399 * of difference so let's not bother with that */
2400 rect.top += GetSystemMetrics(SM_CYBORDER);
2401 if (style & WS_SYSMENU)
2402 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2403 if (style & WS_MINIMIZEBOX)
2404 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2405 if (style & WS_MAXIMIZEBOX)
2406 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2407 pt.x = (rect.right + rect.left) / 2;
2408 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2409 hittest = HTCAPTION;
2410 *capturePoint = pt;
2411 }
2412 else /* SC_SIZE */
2413 {
2414 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2415 pt.x = pt.y = 0;
2416 while(!hittest)
2417 {
2418 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2419 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2420
2421 switch(msg.message)
2422 {
2423 case WM_MOUSEMOVE:
2424 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2425 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2426 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2427 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2428 break;
2429
2430 case WM_LBUTTONUP:
2431 return 0;
2432
2433 case WM_KEYDOWN:
2434 switch(msg.wParam)
2435 {
2436 case VK_UP:
2437 hittest = HTTOP;
2438 pt.x =(rectWindow.left+rectWindow.right)/2;
2439 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2440 break;
2441 case VK_DOWN:
2442 hittest = HTBOTTOM;
2443 pt.x =(rectWindow.left+rectWindow.right)/2;
2444 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2445 break;
2446 case VK_LEFT:
2447 hittest = HTLEFT;
2448 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2449 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2450 break;
2451 case VK_RIGHT:
2452 hittest = HTRIGHT;
2453 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2454 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2455 break;
2456 case VK_RETURN:
2457 case VK_ESCAPE:
2458 return 0;
2459 }
2460 break;
2461 default:
2462 TranslateMessage( &msg );
2463 DispatchMessageW( &msg );
2464 break;
2465 }
2466 }
2467 *capturePoint = pt;
2468 }
2469 SetCursorPos( pt.x, pt.y );
2470 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2471 return hittest;
2472 }
2473
2474
2475 /***********************************************************************
2476 * WINPOS_SysCommandSizeMove
2477 *
2478 * Perform SC_MOVE and SC_SIZE commands.
2479 */
2480 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2481 {
2482 MSG msg;
2483 RECT sizingRect, mouseRect, origRect;
2484 HDC hdc;
2485 HWND parent;
2486 LONG hittest = (LONG)(wParam & 0x0f);
2487 WPARAM syscommand = wParam & 0xfff0;
2488 HCURSOR hDragCursor = 0, hOldCursor = 0;
2489 POINT minTrack, maxTrack;
2490 POINT capturePoint, pt;
2491 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2492 BOOL thickframe = HAS_THICKFRAME( style );
2493 BOOL iconic = style & WS_MINIMIZE;
2494 BOOL moved = FALSE;
2495 DWORD dwPoint = GetMessagePos ();
2496 BOOL DragFullWindows = TRUE;
2497
2498 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2499
2500 pt.x = (short)LOWORD(dwPoint);
2501 pt.y = (short)HIWORD(dwPoint);
2502 capturePoint = pt;
2503 ClipCursor( NULL );
2504
2505 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2506 hwnd, syscommand, hittest, pt.x, pt.y);
2507
2508 if (syscommand == SC_MOVE)
2509 {
2510 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2511 if (!hittest) return;
2512 }
2513 else /* SC_SIZE */
2514 {
2515 if ( hittest && (syscommand != SC_MOUSEMENU) )
2516 hittest += (HTLEFT - WMSZ_LEFT);
2517 else
2518 {
2519 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2520 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2521 if (!hittest)
2522 {
2523 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2524 return;
2525 }
2526 }
2527 }
2528
2529 /* Get min/max info */
2530
2531 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2532 WIN_GetRectangles( hwnd, COORDS_PARENT, &sizingRect, NULL );
2533 origRect = sizingRect;
2534 if (style & WS_CHILD)
2535 {
2536 parent = GetParent(hwnd);
2537 GetClientRect( parent, &mouseRect );
2538 MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2539 MapWindowPoints( parent, 0, (LPPOINT)&sizingRect, 2 );
2540 }
2541 else
2542 {
2543 parent = 0;
2544 GetClientRect( GetDesktopWindow(), &mouseRect );
2545 mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
2546 mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
2547 mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
2548 mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
2549 }
2550
2551 if (ON_LEFT_BORDER(hittest))
2552 {
2553 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2554 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2555 }
2556 else if (ON_RIGHT_BORDER(hittest))
2557 {
2558 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2559 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2560 }
2561 if (ON_TOP_BORDER(hittest))
2562 {
2563 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2564 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2565 }
2566 else if (ON_BOTTOM_BORDER(hittest))
2567 {
2568 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2569 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2570 }
2571
2572 /* Retrieve a default cache DC (without using the window style) */
2573 hdc = GetDCEx( parent, 0, DCX_CACHE );
2574
2575 if( iconic ) /* create a cursor for dragging */
2576 {
2577 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2578 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2579 if( !hDragCursor ) iconic = FALSE;
2580 }
2581
2582 /* we only allow disabling the full window drag for child windows */
2583 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2584
2585 /* repaint the window before moving it around */
2586 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2587
2588 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2589 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2590
2591 while(1)
2592 {
2593 int dx = 0, dy = 0;
2594
2595 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2596 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2597
2598 /* Exit on button-up, Return, or Esc */
2599 if ((msg.message == WM_LBUTTONUP) ||
2600 ((msg.message == WM_KEYDOWN) &&
2601 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2602
2603 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2604 {
2605 TranslateMessage( &msg );
2606 DispatchMessageW( &msg );
2607 continue; /* We are not interested in other messages */
2608 }
2609
2610 pt = msg.pt;
2611
2612 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2613 {
2614 case VK_UP: pt.y -= 8; break;
2615 case VK_DOWN: pt.y += 8; break;
2616 case VK_LEFT: pt.x -= 8; break;
2617 case VK_RIGHT: pt.x += 8; break;
2618 }
2619
2620 pt.x = max( pt.x, mouseRect.left );
2621 pt.x = min( pt.x, mouseRect.right );
2622 pt.y = max( pt.y, mouseRect.top );
2623 pt.y = min( pt.y, mouseRect.bottom );
2624
2625 dx = pt.x - capturePoint.x;
2626 dy = pt.y - capturePoint.y;
2627
2628 if (dx || dy)
2629 {
2630 if( !moved )
2631 {
2632 moved = TRUE;
2633
2634 if( iconic ) /* ok, no system popup tracking */
2635 {
2636 hOldCursor = SetCursor(hDragCursor);
2637 ShowCursor( TRUE );
2638 WINPOS_ShowIconTitle( hwnd, FALSE );
2639 }
2640 else if(!DragFullWindows)
2641 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2642 }
2643
2644 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2645 else
2646 {
2647 WPARAM wpSizingHit = 0;
2648
2649 if(!iconic && !DragFullWindows) draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2650 if (hittest == HTCAPTION) OffsetRect( &sizingRect, dx, dy );
2651 if (ON_LEFT_BORDER(hittest)) sizingRect.left += dx;
2652 else if (ON_RIGHT_BORDER(hittest)) sizingRect.right += dx;
2653 if (ON_TOP_BORDER(hittest)) sizingRect.top += dy;
2654 else if (ON_BOTTOM_BORDER(hittest)) sizingRect.bottom += dy;
2655 capturePoint = pt;
2656
2657 /* determine the hit location */
2658 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2659 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2660 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&sizingRect );
2661
2662 if (!iconic)
2663 {
2664 if(!DragFullWindows)
2665 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2666 else
2667 {
2668 RECT rect = sizingRect;
2669 MapWindowPoints( 0, parent, (POINT *)&rect, 2 );
2670 SetWindowPos( hwnd, 0, rect.left, rect.top,
2671 rect.right - rect.left, rect.bottom - rect.top,
2672 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2673 }
2674 }
2675 }
2676 }
2677 }
2678
2679 if( iconic )
2680 {
2681 if( moved ) /* restore cursors, show icon title later on */
2682 {
2683 ShowCursor( FALSE );
2684 SetCursor( hOldCursor );
2685 }
2686 }
2687 else if (moved && !DragFullWindows)
2688 {
2689 draw_moving_frame( parent, hdc, &sizingRect, thickframe );
2690 }
2691
2692 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2693 ReleaseDC( parent, hdc );
2694 if (parent) MapWindowPoints( 0, parent, (POINT *)&sizingRect, 2 );
2695
2696 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2697 moved = FALSE;
2698
2699 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2700 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2701
2702 /* window moved or resized */
2703 if (moved)
2704 {
2705 /* if the moving/resizing isn't canceled call SetWindowPos
2706 * with the new position or the new size of the window
2707 */
2708 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2709 {
2710 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2711 if(!DragFullWindows || iconic)
2712 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2713 sizingRect.right - sizingRect.left,
2714 sizingRect.bottom - sizingRect.top,
2715 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2716 }
2717 else
2718 { /* restore previous size/position */
2719 if(DragFullWindows)
2720 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2721 origRect.right - origRect.left,
2722 origRect.bottom - origRect.top,
2723 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2724 }
2725 }
2726
2727 if (IsIconic(hwnd))
2728 {
2729 /* Single click brings up the system menu when iconized */
2730
2731 if( !moved )
2732 {
2733 if(style & WS_SYSMENU )
2734 SendMessageW( hwnd, WM_SYSCOMMAND,
2735 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2736 }
2737 else WINPOS_ShowIconTitle( hwnd, TRUE );
2738 }
2739 }
Maarten's multimedia branch