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user32: Fix Z-order handling of windows that have a top-most owner.
[wine/multimedia.git] / dlls / user32 / winpos.c
blobf8a3c41e0cc37c6857245bd3e205274663ed30d3
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, rect, NULL );
97 if (ret)
98 {
99 MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
100 TRACE( "hwnd %p (%s)\n", hwnd, wine_dbgstr_rect(rect) );
101 }
102 return ret;
103 }
104
105
106 /***********************************************************************
107 * GetWindowRgn (USER32.@)
108 */
109 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
110 {
111 int nRet = ERROR;
112 NTSTATUS status;
113 HRGN win_rgn = 0;
114 RGNDATA *data;
115 size_t size = 256;
116
117 do
118 {
119 if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
120 {
121 SetLastError( ERROR_OUTOFMEMORY );
122 return ERROR;
123 }
124 SERVER_START_REQ( get_window_region )
125 {
126 req->window = wine_server_user_handle( hwnd );
127 wine_server_set_reply( req, data->Buffer, size );
128 if (!(status = wine_server_call( req )))
129 {
130 size_t reply_size = wine_server_reply_size( reply );
131 if (reply_size)
132 {
133 data->rdh.dwSize = sizeof(data->rdh);
134 data->rdh.iType = RDH_RECTANGLES;
135 data->rdh.nCount = reply_size / sizeof(RECT);
136 data->rdh.nRgnSize = reply_size;
137 win_rgn = ExtCreateRegion( NULL, size, data );
138 }
139 }
140 else size = reply->total_size;
141 }
142 SERVER_END_REQ;
143 HeapFree( GetProcessHeap(), 0, data );
144 } while (status == STATUS_BUFFER_OVERFLOW);
145
146 if (status) SetLastError( RtlNtStatusToDosError(status) );
147 else if (win_rgn)
148 {
149 nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
150 DeleteObject( win_rgn );
151 }
152 return nRet;
153 }
154
155 /***********************************************************************
156 * GetWindowRgnBox (USER32.@)
157 */
158 int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect )
159 {
160 int ret = ERROR;
161 HRGN hrgn;
162
163 if (!prect)
164 return ERROR;
165
166 if ((hrgn = CreateRectRgn(0, 0, 0, 0)))
167 {
168 if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR )
169 ret = GetRgnBox( hrgn, prect );
170 DeleteObject(hrgn);
171 }
172
173 return ret;
174 }
175
176 /***********************************************************************
177 * SetWindowRgn (USER32.@)
178 */
179 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
180 {
181 static const RECT empty_rect;
182 BOOL ret;
183
184 if (hrgn)
185 {
186 RGNDATA *data;
187 DWORD size;
188
189 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
190 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
191 if (!GetRegionData( hrgn, size, data ))
192 {
193 HeapFree( GetProcessHeap(), 0, data );
194 return FALSE;
195 }
196 SERVER_START_REQ( set_window_region )
197 {
198 req->window = wine_server_user_handle( hwnd );
199 req->redraw = (bRedraw != 0);
200 if (data->rdh.nCount)
201 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
202 else
203 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
204 ret = !wine_server_call_err( req );
205 }
206 SERVER_END_REQ;
207 HeapFree( GetProcessHeap(), 0, data );
208 }
209 else /* clear existing region */
210 {
211 SERVER_START_REQ( set_window_region )
212 {
213 req->window = wine_server_user_handle( hwnd );
214 req->redraw = (bRedraw != 0);
215 ret = !wine_server_call_err( req );
216 }
217 SERVER_END_REQ;
218 }
219
220 if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
221
222 if (ret)
223 {
224 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
225 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
226 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
227 invalidate_dce( hwnd, NULL );
228 }
229 return ret;
230 }
231
232
233 /***********************************************************************
234 * GetClientRect (USER32.@)
235 */
236 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
237 {
238 BOOL ret;
239
240 if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
241 {
242 rect->right -= rect->left;
243 rect->bottom -= rect->top;
244 rect->left = rect->top = 0;
245 }
246 return ret;
247 }
248
249
250 /*******************************************************************
251 * ClientToScreen (USER32.@)
252 */
253 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
254 {
255 MapWindowPoints( hwnd, 0, lppnt, 1 );
256 return TRUE;
257 }
258
259
260 /*******************************************************************
261 * ScreenToClient (USER32.@)
262 */
263 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
264 {
265 MapWindowPoints( 0, hwnd, lppnt, 1 );
266 return TRUE;
267 }
268
269
270 /***********************************************************************
271 * list_children_from_point
272 *
273 * Get the list of children that can contain point from the server.
274 * Point is in screen coordinates.
275 * Returned list must be freed by caller.
276 */
277 static HWND *list_children_from_point( HWND hwnd, POINT pt )
278 {
279 HWND *list;
280 int i, size = 128;
281
282 for (;;)
283 {
284 int count = 0;
285
286 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
287
288 SERVER_START_REQ( get_window_children_from_point )
289 {
290 req->parent = wine_server_user_handle( hwnd );
291 req->x = pt.x;
292 req->y = pt.y;
293 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
294 if (!wine_server_call( req )) count = reply->count;
295 }
296 SERVER_END_REQ;
297 if (count && count < size)
298 {
299 /* start from the end since HWND is potentially larger than user_handle_t */
300 for (i = count - 1; i >= 0; i--)
301 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
302 list[count] = 0;
303 return list;
304 }
305 HeapFree( GetProcessHeap(), 0, list );
306 if (!count) break;
307 size = count + 1; /* restart with a large enough buffer */
308 }
309 return NULL;
310 }
311
312
313 /***********************************************************************
314 * WINPOS_WindowFromPoint
315 *
316 * Find the window and hittest for a given point.
317 */
318 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
319 {
320 int i, res;
321 HWND ret, *list;
322
323 if (!hwndScope) hwndScope = GetDesktopWindow();
324
325 *hittest = HTNOWHERE;
326
327 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
328
329 /* now determine the hittest */
330
331 for (i = 0; list[i]; i++)
332 {
333 LONG style = GetWindowLongW( list[i], GWL_STYLE );
334
335 /* If window is minimized or disabled, return at once */
336 if (style & WS_MINIMIZE)
337 {
338 *hittest = HTCAPTION;
339 break;
340 }
341 if (style & WS_DISABLED)
342 {
343 *hittest = HTERROR;
344 break;
345 }
346 /* Send WM_NCCHITTEST (if same thread) */
347 if (!WIN_IsCurrentThread( list[i] ))
348 {
349 *hittest = HTCLIENT;
350 break;
351 }
352 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
353 if (res != HTTRANSPARENT)
354 {
355 *hittest = res; /* Found the window */
356 break;
357 }
358 /* continue search with next window in z-order */
359 }
360 ret = list[i];
361 HeapFree( GetProcessHeap(), 0, list );
362 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
363 return ret;
364 }
365
366
367 /*******************************************************************
368 * WindowFromPoint (USER32.@)
369 */
370 HWND WINAPI WindowFromPoint( POINT pt )
371 {
372 INT hittest;
373 return WINPOS_WindowFromPoint( 0, pt, &hittest );
374 }
375
376
377 /*******************************************************************
378 * ChildWindowFromPoint (USER32.@)
379 */
380 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
381 {
382 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
383 }
384
385 /*******************************************************************
386 * RealChildWindowFromPoint (USER32.@)
387 */
388 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
389 {
390 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
391 }
392
393 /*******************************************************************
394 * ChildWindowFromPointEx (USER32.@)
395 */
396 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
397 {
398 /* pt is in the client coordinates */
399 HWND *list;
400 int i;
401 RECT rect;
402 HWND retvalue;
403
404 GetClientRect( hwndParent, &rect );
405 if (!PtInRect( &rect, pt )) return 0;
406 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
407
408 for (i = 0; list[i]; i++)
409 {
410 if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
411 if (!PtInRect( &rect, pt )) continue;
412 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
413 {
414 LONG style = GetWindowLongW( list[i], GWL_STYLE );
415 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
416 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
417 }
418 if (uFlags & CWP_SKIPTRANSPARENT)
419 {
420 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
421 }
422 break;
423 }
424 retvalue = list[i];
425 HeapFree( GetProcessHeap(), 0, list );
426 if (!retvalue) retvalue = hwndParent;
427 return retvalue;
428 }
429
430
431 /*******************************************************************
432 * WINPOS_GetWinOffset
433 *
434 * Calculate the offset between the origin of the two windows. Used
435 * to implement MapWindowPoints.
436 */
437 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
438 {
439 WND * wndPtr;
440
441 offset->x = offset->y = 0;
442
443 /* Translate source window origin to screen coords */
444 if (hwndFrom)
445 {
446 HWND hwnd = hwndFrom;
447
448 while (hwnd)
449 {
450 if (hwnd == hwndTo) return;
451 if (!(wndPtr = WIN_GetPtr( hwnd )))
452 {
453 ERR( "bad hwndFrom = %p\n", hwnd );
454 return;
455 }
456 if (wndPtr == WND_DESKTOP) break;
457 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
458 if (wndPtr->parent)
459 {
460 offset->x += wndPtr->rectClient.left;
461 offset->y += wndPtr->rectClient.top;
462 }
463 hwnd = wndPtr->parent;
464 WIN_ReleasePtr( wndPtr );
465 }
466 }
467
468 /* Translate origin to destination window coords */
469 if (hwndTo)
470 {
471 HWND hwnd = hwndTo;
472
473 while (hwnd)
474 {
475 if (!(wndPtr = WIN_GetPtr( hwnd )))
476 {
477 ERR( "bad hwndTo = %p\n", hwnd );
478 return;
479 }
480 if (wndPtr == WND_DESKTOP) break;
481 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
482 if (wndPtr->parent)
483 {
484 offset->x -= wndPtr->rectClient.left;
485 offset->y -= wndPtr->rectClient.top;
486 }
487 hwnd = wndPtr->parent;
488 WIN_ReleasePtr( wndPtr );
489 }
490 }
491 return;
492
493 other_process: /* one of the parents may belong to another process, do it the hard way */
494 offset->x = offset->y = 0;
495 SERVER_START_REQ( get_windows_offset )
496 {
497 req->from = wine_server_user_handle( hwndFrom );
498 req->to = wine_server_user_handle( hwndTo );
499 if (!wine_server_call( req ))
500 {
501 offset->x = reply->x;
502 offset->y = reply->y;
503 }
504 }
505 SERVER_END_REQ;
506 }
507
508
509 /*******************************************************************
510 * MapWindowPoints (USER32.@)
511 */
512 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
513 {
514 POINT offset;
515
516 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
517 while (count--)
518 {
519 lppt->x += offset.x;
520 lppt->y += offset.y;
521 lppt++;
522 }
523 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
524 }
525
526
527 /***********************************************************************
528 * IsIconic (USER32.@)
529 */
530 BOOL WINAPI IsIconic(HWND hWnd)
531 {
532 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
533 }
534
535
536 /***********************************************************************
537 * IsZoomed (USER32.@)
538 */
539 BOOL WINAPI IsZoomed(HWND hWnd)
540 {
541 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
542 }
543
544
545 /*******************************************************************
546 * AllowSetForegroundWindow (USER32.@)
547 */
548 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
549 {
550 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
551 * implemented, then fix this function. */
552 return TRUE;
553 }
554
555
556 /*******************************************************************
557 * LockSetForegroundWindow (USER32.@)
558 */
559 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
560 {
561 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
562 * implemented, then fix this function. */
563 return TRUE;
564 }
565
566
567 /***********************************************************************
568 * BringWindowToTop (USER32.@)
569 */
570 BOOL WINAPI BringWindowToTop( HWND hwnd )
571 {
572 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
573 }
574
575
576 /***********************************************************************
577 * MoveWindow (USER32.@)
578 */
579 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
580 BOOL repaint )
581 {
582 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
583 if (!repaint) flags |= SWP_NOREDRAW;
584 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
585 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
586 }
587
588
589 /***********************************************************************
590 * WINPOS_RedrawIconTitle
591 */
592 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
593 {
594 HWND icon_title = 0;
595 WND *win = WIN_GetPtr( hWnd );
596
597 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
598 {
599 icon_title = win->icon_title;
600 WIN_ReleasePtr( win );
601 }
602 if (!icon_title) return FALSE;
603 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
604 InvalidateRect( icon_title, NULL, TRUE );
605 return TRUE;
606 }
607
608 /***********************************************************************
609 * WINPOS_ShowIconTitle
610 */
611 static BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
612 {
613 if (!GetPropA( hwnd, "__wine_x11_managed" ))
614 {
615 WND *win = WIN_GetPtr( hwnd );
616 HWND title = 0;
617
618 TRACE("%p %i\n", hwnd, (bShow != 0) );
619
620 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
621 title = win->icon_title;
622 WIN_ReleasePtr( win );
623
624 if( bShow )
625 {
626 if (!title)
627 {
628 title = ICONTITLE_Create( hwnd );
629 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
630 {
631 DestroyWindow( title );
632 return FALSE;
633 }
634 win->icon_title = title;
635 WIN_ReleasePtr( win );
636 }
637 if (!IsWindowVisible(title))
638 {
639 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
640 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
641 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
642 }
643 }
644 else if (title) ShowWindow( title, SW_HIDE );
645 }
646 return FALSE;
647 }
648
649 /*******************************************************************
650 * WINPOS_GetMinMaxInfo
651 *
652 * Get the minimized and maximized information for a window.
653 */
654 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
655 POINT *minTrack, POINT *maxTrack )
656 {
657 MINMAXINFO MinMax;
658 HMONITOR monitor;
659 INT xinc, yinc;
660 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
661 LONG adjustedStyle;
662 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
663 RECT rc;
664 WND *win;
665
666 /* Compute default values */
667
668 GetWindowRect(hwnd, &rc);
669 MinMax.ptReserved.x = rc.left;
670 MinMax.ptReserved.y = rc.top;
671
672 if ((style & WS_CAPTION) == WS_CAPTION)
673 adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
674 else
675 adjustedStyle = style;
676
677 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
678 AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
679
680 xinc = -rc.left;
681 yinc = -rc.top;
682
683 MinMax.ptMaxSize.x = rc.right - rc.left;
684 MinMax.ptMaxSize.y = rc.bottom - rc.top;
685 if (style & (WS_DLGFRAME | WS_BORDER))
686 {
687 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
688 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
689 }
690 else
691 {
692 MinMax.ptMinTrackSize.x = 2 * xinc;
693 MinMax.ptMinTrackSize.y = 2 * yinc;
694 }
695 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
696 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
697 MinMax.ptMaxPosition.x = -xinc;
698 MinMax.ptMaxPosition.y = -yinc;
699
700 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
701 {
702 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
703 WIN_ReleasePtr( win );
704 }
705
706 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
707
708 /* if the app didn't change the values, adapt them for the current monitor */
709
710 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
711 {
712 RECT rc_work;
713 MONITORINFO mon_info;
714
715 mon_info.cbSize = sizeof(mon_info);
716 GetMonitorInfoW( monitor, &mon_info );
717
718 rc_work = mon_info.rcMonitor;
719
720 if (style & WS_MAXIMIZEBOX)
721 {
722 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
723 rc_work = mon_info.rcWork;
724 }
725
726 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
727 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
728 {
729 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
730 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
731 }
732 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
733 {
734 MinMax.ptMaxPosition.x = rc_work.left - xinc;
735 MinMax.ptMaxPosition.y = rc_work.top - yinc;
736 }
737 }
738
739 /* Some sanity checks */
740
741 TRACE("%d %d / %d %d / %d %d / %d %d\n",
742 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
743 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
744 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
745 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
746 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
747 MinMax.ptMinTrackSize.x );
748 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
749 MinMax.ptMinTrackSize.y );
750
751 if (maxSize) *maxSize = MinMax.ptMaxSize;
752 if (maxPos) *maxPos = MinMax.ptMaxPosition;
753 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
754 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
755 }
756
757
758 /***********************************************************************
759 * WINPOS_FindIconPos
760 *
761 * Find a suitable place for an iconic window.
762 */
763 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
764 {
765 RECT rect, rectParent;
766 HWND parent, child;
767 HRGN hrgn, tmp;
768 int xspacing, yspacing;
769
770 parent = GetAncestor( hwnd, GA_PARENT );
771 GetClientRect( parent, &rectParent );
772 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
773 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
774 return pt; /* The icon already has a suitable position */
775
776 xspacing = GetSystemMetrics(SM_CXICONSPACING);
777 yspacing = GetSystemMetrics(SM_CYICONSPACING);
778
779 /* Check if another icon already occupies this spot */
780 /* FIXME: this is completely inefficient */
781
782 hrgn = CreateRectRgn( 0, 0, 0, 0 );
783 tmp = CreateRectRgn( 0, 0, 0, 0 );
784 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
785 {
786 WND *childPtr;
787 if (child == hwnd) continue;
788 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
789 continue;
790 if (!(childPtr = WIN_GetPtr( child )) || childPtr == WND_OTHER_PROCESS)
791 continue;
792 SetRectRgn( tmp, childPtr->rectWindow.left, childPtr->rectWindow.top,
793 childPtr->rectWindow.right, childPtr->rectWindow.bottom );
794 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
795 WIN_ReleasePtr( childPtr );
796 }
797 DeleteObject( tmp );
798
799 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
800 {
801 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
802 {
803 rect.right = rect.left + xspacing;
804 rect.top = rect.bottom - yspacing;
805 if (!RectInRegion( hrgn, &rect ))
806 {
807 /* No window was found, so it's OK for us */
808 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
809 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
810 DeleteObject( hrgn );
811 return pt;
812 }
813 }
814 }
815 DeleteObject( hrgn );
816 pt.x = pt.y = 0;
817 return pt;
818 }
819
820
821 /***********************************************************************
822 * WINPOS_MinMaximize
823 */
824 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
825 {
826 WND *wndPtr;
827 UINT swpFlags = 0;
828 POINT size;
829 LONG old_style;
830 WINDOWPLACEMENT wpl;
831
832 TRACE("%p %u\n", hwnd, cmd );
833
834 wpl.length = sizeof(wpl);
835 GetWindowPlacement( hwnd, &wpl );
836
837 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
838 return SWP_NOSIZE | SWP_NOMOVE;
839
840 if (IsIconic( hwnd ))
841 {
842 switch (cmd)
843 {
844 case SW_SHOWMINNOACTIVE:
845 case SW_SHOWMINIMIZED:
846 case SW_FORCEMINIMIZE:
847 case SW_MINIMIZE:
848 return SWP_NOSIZE | SWP_NOMOVE;
849 }
850 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
851 swpFlags |= SWP_NOCOPYBITS;
852 }
853
854 switch( cmd )
855 {
856 case SW_SHOWMINNOACTIVE:
857 case SW_SHOWMINIMIZED:
858 case SW_FORCEMINIMIZE:
859 case SW_MINIMIZE:
860 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
861 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
862 else wndPtr->flags &= ~WIN_RESTORE_MAX;
863 WIN_ReleasePtr( wndPtr );
864
865 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
866
867 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
868
869 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
870 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
871 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
872 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
873 swpFlags |= SWP_NOCOPYBITS;
874 break;
875
876 case SW_MAXIMIZE:
877 old_style = GetWindowLongW( hwnd, GWL_STYLE );
878 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
879
880 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
881
882 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
883 if (old_style & WS_MINIMIZE) WINPOS_ShowIconTitle( hwnd, FALSE );
884
885 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
886 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
887 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
888 break;
889
890 case SW_SHOWNOACTIVATE:
891 case SW_SHOWNORMAL:
892 case SW_RESTORE:
893 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
894 if (old_style & WS_MINIMIZE)
895 {
896 BOOL restore_max;
897
898 WINPOS_ShowIconTitle( hwnd, FALSE );
899
900 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
901 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
902 WIN_ReleasePtr( wndPtr );
903 if (restore_max)
904 {
905 /* Restore to maximized position */
906 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
907 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
908 swpFlags |= SWP_STATECHANGED;
909 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
910 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
911 break;
912 }
913 }
914 else if (!(old_style & WS_MAXIMIZE)) break;
915
916 swpFlags |= SWP_STATECHANGED;
917
918 /* Restore to normal position */
919
920 *rect = wpl.rcNormalPosition;
921 break;
922 }
923
924 return swpFlags;
925 }
926
927
928 /***********************************************************************
929 * show_window
930 *
931 * Implementation of ShowWindow and ShowWindowAsync.
932 */
933 static BOOL show_window( HWND hwnd, INT cmd )
934 {
935 WND *wndPtr;
936 HWND parent;
937 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
938 BOOL wasVisible = (style & WS_VISIBLE) != 0;
939 BOOL showFlag = TRUE;
940 RECT newPos = {0, 0, 0, 0};
941 UINT swp = 0;
942
943 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
944
945 switch(cmd)
946 {
947 case SW_HIDE:
948 if (!wasVisible) return FALSE;
949 showFlag = FALSE;
950 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
951 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
952 break;
953
954 case SW_SHOWMINNOACTIVE:
955 case SW_MINIMIZE:
956 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
957 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
958 /* fall through */
959 case SW_SHOWMINIMIZED:
960 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
961 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
962 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
963 break;
964
965 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
966 if (!wasVisible) swp |= SWP_SHOWWINDOW;
967 swp |= SWP_FRAMECHANGED;
968 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
969 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
970 break;
971
972 case SW_SHOWNA:
973 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
974 if (style & WS_CHILD) swp |= SWP_NOZORDER;
975 break;
976 case SW_SHOW:
977 if (wasVisible) return TRUE;
978 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
979 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
980 break;
981
982 case SW_SHOWNOACTIVATE:
983 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
984 /* fall through */
985 case SW_RESTORE:
986 /* fall through */
987 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
988 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
989 if (!wasVisible) swp |= SWP_SHOWWINDOW;
990 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
991 {
992 swp |= SWP_FRAMECHANGED;
993 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
994 }
995 else
996 {
997 if (wasVisible) return TRUE;
998 swp |= SWP_NOSIZE | SWP_NOMOVE;
999 }
1000 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1001 break;
1002 default:
1003 return wasVisible;
1004 }
1005
1006 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1007 {
1008 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1009 if (!IsWindow( hwnd )) return wasVisible;
1010 }
1011
1012 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1013
1014 parent = GetAncestor( hwnd, GA_PARENT );
1015 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1016 {
1017 /* if parent is not visible simply toggle WS_VISIBLE and return */
1018 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1019 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1020 }
1021 else
1022 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1023 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1024
1025 if (cmd == SW_HIDE)
1026 {
1027 HWND hFocus;
1028
1029 WINPOS_ShowIconTitle( hwnd, FALSE );
1030
1031 /* FIXME: This will cause the window to be activated irrespective
1032 * of whether it is owned by the same thread. Has to be done
1033 * asynchronously.
1034 */
1035
1036 if (hwnd == GetActiveWindow())
1037 WINPOS_ActivateOtherWindow(hwnd);
1038
1039 /* Revert focus to parent */
1040 hFocus = GetFocus();
1041 if (hwnd == hFocus)
1042 {
1043 HWND parent = GetAncestor(hwnd, GA_PARENT);
1044 if (parent == GetDesktopWindow()) parent = 0;
1045 SetFocus(parent);
1046 }
1047 return wasVisible;
1048 }
1049
1050 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1051
1052 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1053
1054 if (wndPtr->flags & WIN_NEED_SIZE)
1055 {
1056 /* should happen only in CreateWindowEx() */
1057 int wParam = SIZE_RESTORED;
1058 RECT client = wndPtr->rectClient;
1059 LPARAM lparam = MAKELONG( client.right - client.left, client.bottom - client.top );
1060
1061 wndPtr->flags &= ~WIN_NEED_SIZE;
1062 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1063 else if (wndPtr->dwStyle & WS_MINIMIZE)
1064 {
1065 wParam = SIZE_MINIMIZED;
1066 lparam = 0;
1067 }
1068 WIN_ReleasePtr( wndPtr );
1069
1070 SendMessageW( hwnd, WM_SIZE, wParam, lparam );
1071 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1072 }
1073 else WIN_ReleasePtr( wndPtr );
1074
1075 /* if previous state was minimized Windows sets focus to the window */
1076 if (style & WS_MINIMIZE) SetFocus( hwnd );
1077
1078 return wasVisible;
1079 }
1080
1081
1082 /***********************************************************************
1083 * ShowWindowAsync (USER32.@)
1084 *
1085 * doesn't wait; returns immediately.
1086 * used by threads to toggle windows in other (possibly hanging) threads
1087 */
1088 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1089 {
1090 HWND full_handle;
1091
1092 if (is_broadcast(hwnd))
1093 {
1094 SetLastError( ERROR_INVALID_PARAMETER );
1095 return FALSE;
1096 }
1097
1098 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1099 return show_window( full_handle, cmd );
1100
1101 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1102 }
1103
1104
1105 /***********************************************************************
1106 * ShowWindow (USER32.@)
1107 */
1108 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1109 {
1110 HWND full_handle;
1111
1112 if (is_broadcast(hwnd))
1113 {
1114 SetLastError( ERROR_INVALID_PARAMETER );
1115 return FALSE;
1116 }
1117 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1118 return show_window( full_handle, cmd );
1119
1120 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1121 }
1122
1123
1124 /***********************************************************************
1125 * GetInternalWindowPos (USER32.@)
1126 */
1127 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1128 LPPOINT ptIcon )
1129 {
1130 WINDOWPLACEMENT wndpl;
1131 if (GetWindowPlacement( hwnd, &wndpl ))
1132 {
1133 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1134 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1135 return wndpl.showCmd;
1136 }
1137 return 0;
1138 }
1139
1140
1141 /***********************************************************************
1142 * GetWindowPlacement (USER32.@)
1143 *
1144 * Win95:
1145 * Fails if wndpl->length of Win95 (!) apps is invalid.
1146 */
1147 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1148 {
1149 WND *pWnd = WIN_GetPtr( hwnd );
1150
1151 if (!pWnd) return FALSE;
1152
1153 if (pWnd == WND_DESKTOP)
1154 {
1155 wndpl->length = sizeof(*wndpl);
1156 wndpl->showCmd = SW_SHOWNORMAL;
1157 wndpl->flags = 0;
1158 wndpl->ptMinPosition.x = -1;
1159 wndpl->ptMinPosition.y = -1;
1160 wndpl->ptMaxPosition.x = -1;
1161 wndpl->ptMaxPosition.y = -1;
1162 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1163 return TRUE;
1164 }
1165 if (pWnd == WND_OTHER_PROCESS)
1166 {
1167 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1168 return FALSE;
1169 }
1170
1171 /* update the placement according to the current style */
1172 if (pWnd->dwStyle & WS_MINIMIZE)
1173 {
1174 pWnd->min_pos.x = pWnd->rectWindow.left;
1175 pWnd->min_pos.y = pWnd->rectWindow.top;
1176 }
1177 else if (pWnd->dwStyle & WS_MAXIMIZE)
1178 {
1179 pWnd->max_pos.x = pWnd->rectWindow.left;
1180 pWnd->max_pos.y = pWnd->rectWindow.top;
1181 }
1182 else
1183 {
1184 pWnd->normal_rect = pWnd->rectWindow;
1185 }
1186
1187 wndpl->length = sizeof(*wndpl);
1188 if( pWnd->dwStyle & WS_MINIMIZE )
1189 wndpl->showCmd = SW_SHOWMINIMIZED;
1190 else
1191 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1192 if( pWnd->flags & WIN_RESTORE_MAX )
1193 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1194 else
1195 wndpl->flags = 0;
1196 wndpl->ptMinPosition = pWnd->min_pos;
1197 wndpl->ptMaxPosition = pWnd->max_pos;
1198 wndpl->rcNormalPosition = pWnd->normal_rect;
1199 WIN_ReleasePtr( pWnd );
1200
1201 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1202 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1203 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1204 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1205 return TRUE;
1206 }
1207
1208 /* make sure the specified rect is visible on screen */
1209 static void make_rect_onscreen( RECT *rect )
1210 {
1211 MONITORINFO info;
1212 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1213
1214 info.cbSize = sizeof(info);
1215 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1216 /* FIXME: map coordinates from rcWork to rcMonitor */
1217 if (rect->right <= info.rcWork.left)
1218 {
1219 rect->right += info.rcWork.left - rect->left;
1220 rect->left = info.rcWork.left;
1221 }
1222 else if (rect->left >= info.rcWork.right)
1223 {
1224 rect->left += info.rcWork.right - rect->right;
1225 rect->right = info.rcWork.right;
1226 }
1227 if (rect->bottom <= info.rcWork.top)
1228 {
1229 rect->bottom += info.rcWork.top - rect->top;
1230 rect->top = info.rcWork.top;
1231 }
1232 else if (rect->top >= info.rcWork.bottom)
1233 {
1234 rect->top += info.rcWork.bottom - rect->bottom;
1235 rect->bottom = info.rcWork.bottom;
1236 }
1237 }
1238
1239 /* make sure the specified point is visible on screen */
1240 static void make_point_onscreen( POINT *pt )
1241 {
1242 RECT rect;
1243
1244 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1245 make_rect_onscreen( &rect );
1246 pt->x = rect.left;
1247 pt->y = rect.top;
1248 }
1249
1250
1251 /***********************************************************************
1252 * WINPOS_SetPlacement
1253 */
1254 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1255 {
1256 DWORD style;
1257 WND *pWnd = WIN_GetPtr( hwnd );
1258 WINDOWPLACEMENT wp = *wndpl;
1259
1260 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1261 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1262 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1263
1264 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1265 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1266 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1267 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1268 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1269 wine_dbgstr_rect(&wp.rcNormalPosition) );
1270
1271 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1272
1273 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1274 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1275 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1276
1277 style = pWnd->dwStyle;
1278
1279 WIN_ReleasePtr( pWnd );
1280
1281 if( style & WS_MINIMIZE )
1282 {
1283 if (flags & PLACE_MIN)
1284 {
1285 WINPOS_ShowIconTitle( hwnd, FALSE );
1286 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1287 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1288 }
1289 }
1290 else if( style & WS_MAXIMIZE )
1291 {
1292 if (flags & PLACE_MAX)
1293 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1294 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1295 }
1296 else if( flags & PLACE_RECT )
1297 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1298 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1299 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1300 SWP_NOZORDER | SWP_NOACTIVATE );
1301
1302 ShowWindow( hwnd, wndpl->showCmd );
1303
1304 if (IsIconic( hwnd ))
1305 {
1306 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1307
1308 /* SDK: ...valid only the next time... */
1309 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1310 {
1311 pWnd = WIN_GetPtr( hwnd );
1312 if (pWnd && pWnd != WND_OTHER_PROCESS)
1313 {
1314 pWnd->flags |= WIN_RESTORE_MAX;
1315 WIN_ReleasePtr( pWnd );
1316 }
1317 }
1318 }
1319 return TRUE;
1320 }
1321
1322
1323 /***********************************************************************
1324 * SetWindowPlacement (USER32.@)
1325 *
1326 * Win95:
1327 * Fails if wndpl->length of Win95 (!) apps is invalid.
1328 */
1329 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1330 {
1331 UINT flags = PLACE_MAX | PLACE_RECT;
1332 if (!wpl) return FALSE;
1333 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1334 return WINPOS_SetPlacement( hwnd, wpl, flags );
1335 }
1336
1337
1338 /***********************************************************************
1339 * AnimateWindow (USER32.@)
1340 * Shows/Hides a window with an animation
1341 * NO ANIMATION YET
1342 */
1343 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1344 {
1345 FIXME("partial stub\n");
1346
1347 /* If trying to show/hide and it's already *
1348 * shown/hidden or invalid window, fail with *
1349 * invalid parameter */
1350 if(!IsWindow(hwnd) ||
1351 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1352 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1353 {
1354 SetLastError(ERROR_INVALID_PARAMETER);
1355 return FALSE;
1356 }
1357
1358 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1359
1360 return TRUE;
1361 }
1362
1363 /***********************************************************************
1364 * SetInternalWindowPos (USER32.@)
1365 */
1366 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1367 LPRECT rect, LPPOINT pt )
1368 {
1369 WINDOWPLACEMENT wndpl;
1370 UINT flags;
1371
1372 wndpl.length = sizeof(wndpl);
1373 wndpl.showCmd = showCmd;
1374 wndpl.flags = flags = 0;
1375
1376 if( pt )
1377 {
1378 flags |= PLACE_MIN;
1379 wndpl.flags |= WPF_SETMINPOSITION;
1380 wndpl.ptMinPosition = *pt;
1381 }
1382 if( rect )
1383 {
1384 flags |= PLACE_RECT;
1385 wndpl.rcNormalPosition = *rect;
1386 }
1387 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1388 }
1389
1390
1391 /*******************************************************************
1392 * can_activate_window
1393 *
1394 * Check if we can activate the specified window.
1395 */
1396 static BOOL can_activate_window( HWND hwnd )
1397 {
1398 LONG style;
1399
1400 if (!hwnd) return FALSE;
1401 style = GetWindowLongW( hwnd, GWL_STYLE );
1402 if (!(style & WS_VISIBLE)) return FALSE;
1403 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1404 return !(style & WS_DISABLED);
1405 }
1406
1407
1408 /*******************************************************************
1409 * WINPOS_ActivateOtherWindow
1410 *
1411 * Activates window other than pWnd.
1412 */
1413 void WINPOS_ActivateOtherWindow(HWND hwnd)
1414 {
1415 HWND hwndTo, fg;
1416
1417 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1418 {
1419 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1420 if (can_activate_window( hwndTo )) goto done;
1421 }
1422
1423 hwndTo = hwnd;
1424 for (;;)
1425 {
1426 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1427 if (can_activate_window( hwndTo )) break;
1428 }
1429
1430 done:
1431 fg = GetForegroundWindow();
1432 TRACE("win = %p fg = %p\n", hwndTo, fg);
1433 if (!fg || (hwnd == fg))
1434 {
1435 if (SetForegroundWindow( hwndTo )) return;
1436 }
1437 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1438 }
1439
1440
1441 /***********************************************************************
1442 * WINPOS_HandleWindowPosChanging
1443 *
1444 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1445 */
1446 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1447 {
1448 POINT minTrack, maxTrack;
1449 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1450
1451 if (winpos->flags & SWP_NOSIZE) return 0;
1452 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1453 {
1454 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1455 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1456 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1457 if (!(style & WS_MINIMIZE))
1458 {
1459 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1460 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1461 }
1462 }
1463 return 0;
1464 }
1465
1466
1467 /***********************************************************************
1468 * dump_winpos_flags
1469 */
1470 static void dump_winpos_flags(UINT flags)
1471 {
1472 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1473 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1474 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1475 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1476 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1477 TRACE("flags:");
1478 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1479 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1480 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1481 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1482 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1483 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1484 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1485 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1486 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1487 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1488 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1489 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1490 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1491 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1492 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1493 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1494
1495 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1496 TRACE("\n");
1497 }
1498
1499 /***********************************************************************
1500 * SWP_DoWinPosChanging
1501 */
1502 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1503 {
1504 WND *wndPtr;
1505
1506 /* Send WM_WINDOWPOSCHANGING message */
1507
1508 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1509 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1510
1511 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1512 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1513
1514 /* Calculate new position and size */
1515
1516 *pNewWindowRect = wndPtr->rectWindow;
1517 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1518 : wndPtr->rectClient;
1519
1520 if (!(pWinpos->flags & SWP_NOSIZE))
1521 {
1522 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1523 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1524 }
1525 if (!(pWinpos->flags & SWP_NOMOVE))
1526 {
1527 pNewWindowRect->left = pWinpos->x;
1528 pNewWindowRect->top = pWinpos->y;
1529 pNewWindowRect->right += pWinpos->x - wndPtr->rectWindow.left;
1530 pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1531
1532 OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1533 pWinpos->y - wndPtr->rectWindow.top );
1534 }
1535 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1536
1537 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1538 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1539 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1540 TRACE( "current %s style %08x new %s\n",
1541 wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1542 wine_dbgstr_rect( pNewWindowRect ));
1543
1544 WIN_ReleasePtr( wndPtr );
1545 return TRUE;
1546 }
1547
1548 /***********************************************************************
1549 * get_valid_rects
1550 *
1551 * Compute the valid rects from the old and new client rect and WVR_* flags.
1552 * Helper for WM_NCCALCSIZE handling.
1553 */
1554 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1555 RECT *valid )
1556 {
1557 int cx, cy;
1558
1559 if (flags & WVR_REDRAW)
1560 {
1561 SetRectEmpty( &valid[0] );
1562 SetRectEmpty( &valid[1] );
1563 return;
1564 }
1565
1566 if (flags & WVR_VALIDRECTS)
1567 {
1568 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1569 !IntersectRect( &valid[1], &valid[1], old_client ))
1570 {
1571 SetRectEmpty( &valid[0] );
1572 SetRectEmpty( &valid[1] );
1573 return;
1574 }
1575 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1576 }
1577 else
1578 {
1579 valid[0] = *new_client;
1580 valid[1] = *old_client;
1581 }
1582
1583 /* make sure the rectangles have the same size */
1584 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1585 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1586
1587 if (flags & WVR_ALIGNBOTTOM)
1588 {
1589 valid[0].top = valid[0].bottom - cy;
1590 valid[1].top = valid[1].bottom - cy;
1591 }
1592 else
1593 {
1594 valid[0].bottom = valid[0].top + cy;
1595 valid[1].bottom = valid[1].top + cy;
1596 }
1597 if (flags & WVR_ALIGNRIGHT)
1598 {
1599 valid[0].left = valid[0].right - cx;
1600 valid[1].left = valid[1].right - cx;
1601 }
1602 else
1603 {
1604 valid[0].right = valid[0].left + cx;
1605 valid[1].right = valid[1].left + cx;
1606 }
1607 }
1608
1609
1610 /***********************************************************************
1611 * SWP_DoOwnedPopups
1612 *
1613 * fix Z order taking into account owned popups -
1614 * basically we need to maintain them above the window that owns them
1615 *
1616 * FIXME: hide/show owned popups when owner visibility changes.
1617 */
1618 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1619 {
1620 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1621 HWND owner, *list = NULL;
1622 unsigned int i;
1623
1624 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1625
1626 if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1627 {
1628 /* make sure this popup stays above the owner */
1629
1630 if (hwndInsertAfter != HWND_TOPMOST)
1631 {
1632 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1633
1634 for (i = 0; list[i]; i++)
1635 {
1636 BOOL topmost = (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST) != 0;
1637
1638 if (list[i] == owner)
1639 {
1640 if (i > 0) hwndInsertAfter = list[i-1];
1641 else hwndInsertAfter = topmost ? HWND_TOPMOST : HWND_TOP;
1642 break;
1643 }
1644
1645 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1646 {
1647 if (!topmost) break;
1648 }
1649 else if (list[i] == hwndInsertAfter) break;
1650 }
1651 }
1652 }
1653 else if (style & WS_CHILD) return hwndInsertAfter;
1654
1655 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1656 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1657
1658 i = 0;
1659 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1660 {
1661 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1662 {
1663 /* skip all the topmost windows */
1664 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1665 }
1666 }
1667 else if (hwndInsertAfter != HWND_TOPMOST)
1668 {
1669 /* skip windows that are already placed correctly */
1670 for (i = 0; list[i]; i++)
1671 {
1672 if (list[i] == hwndInsertAfter) break;
1673 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1674 }
1675 }
1676
1677 for ( ; list[i]; i++)
1678 {
1679 if (list[i] == hwnd) break;
1680 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1681 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1682 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1683 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1684 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1685 hwndInsertAfter = list[i];
1686 }
1687
1688 done:
1689 HeapFree( GetProcessHeap(), 0, list );
1690 return hwndInsertAfter;
1691 }
1692
1693 /***********************************************************************
1694 * SWP_DoNCCalcSize
1695 */
1696 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1697 RECT *validRects )
1698 {
1699 UINT wvrFlags = 0;
1700 WND *wndPtr;
1701
1702 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1703
1704 /* Send WM_NCCALCSIZE message to get new client area */
1705 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1706 {
1707 NCCALCSIZE_PARAMS params;
1708 WINDOWPOS winposCopy;
1709
1710 params.rgrc[0] = *pNewWindowRect;
1711 params.rgrc[1] = wndPtr->rectWindow;
1712 params.rgrc[2] = wndPtr->rectClient;
1713 params.lppos = &winposCopy;
1714 winposCopy = *pWinpos;
1715 WIN_ReleasePtr( wndPtr );
1716
1717 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1718
1719 *pNewClientRect = params.rgrc[0];
1720
1721 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1722
1723 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1724 wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1725 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1726
1727 if( pNewClientRect->left != wndPtr->rectClient.left ||
1728 pNewClientRect->top != wndPtr->rectClient.top )
1729 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1730
1731 if( (pNewClientRect->right - pNewClientRect->left !=
1732 wndPtr->rectClient.right - wndPtr->rectClient.left))
1733 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1734 else
1735 wvrFlags &= ~WVR_HREDRAW;
1736
1737 if (pNewClientRect->bottom - pNewClientRect->top !=
1738 wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1739 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1740 else
1741 wvrFlags &= ~WVR_VREDRAW;
1742
1743 validRects[0] = params.rgrc[1];
1744 validRects[1] = params.rgrc[2];
1745 }
1746 else
1747 {
1748 if (!(pWinpos->flags & SWP_NOMOVE) &&
1749 (pNewClientRect->left != wndPtr->rectClient.left ||
1750 pNewClientRect->top != wndPtr->rectClient.top))
1751 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1752 }
1753
1754 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1755 {
1756 SetRectEmpty( &validRects[0] );
1757 SetRectEmpty( &validRects[1] );
1758 }
1759 else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1760
1761 WIN_ReleasePtr( wndPtr );
1762 return wvrFlags;
1763 }
1764
1765 /* fix redundant flags and values in the WINDOWPOS structure */
1766 static BOOL fixup_flags( WINDOWPOS *winpos )
1767 {
1768 HWND parent;
1769 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1770 BOOL ret = TRUE;
1771
1772 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1773 {
1774 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1775 return FALSE;
1776 }
1777 winpos->hwnd = wndPtr->obj.handle; /* make it a full handle */
1778
1779 /* Finally make sure that all coordinates are valid */
1780 if (winpos->x < -32768) winpos->x = -32768;
1781 else if (winpos->x > 32767) winpos->x = 32767;
1782 if (winpos->y < -32768) winpos->y = -32768;
1783 else if (winpos->y > 32767) winpos->y = 32767;
1784
1785 if (winpos->cx < 0) winpos->cx = 0;
1786 else if (winpos->cx > 32767) winpos->cx = 32767;
1787 if (winpos->cy < 0) winpos->cy = 0;
1788 else if (winpos->cy > 32767) winpos->cy = 32767;
1789
1790 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1791 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1792
1793 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1794 else
1795 {
1796 winpos->flags &= ~SWP_HIDEWINDOW;
1797 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1798 }
1799
1800 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1801 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1802 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1803
1804 if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1805 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1806
1807 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1808 {
1809 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1810 (winpos->flags & SWP_NOZORDER ||
1811 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1812 {
1813 winpos->flags &= ~SWP_NOZORDER;
1814 winpos->hwndInsertAfter = HWND_TOP;
1815 }
1816 }
1817
1818 /* Check hwndInsertAfter */
1819 if (winpos->flags & SWP_NOZORDER) goto done;
1820
1821 /* fix sign extension */
1822 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1823 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1824
1825 /* hwndInsertAfter must be a sibling of the window */
1826 if (winpos->hwndInsertAfter == HWND_TOP)
1827 {
1828 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1829 winpos->flags |= SWP_NOZORDER;
1830 }
1831 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1832 {
1833 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1834 winpos->flags |= SWP_NOZORDER;
1835 }
1836 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1837 {
1838 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1839 winpos->flags |= SWP_NOZORDER;
1840 }
1841 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1842 {
1843 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1844 winpos->flags |= SWP_NOZORDER;
1845 }
1846 else
1847 {
1848 if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1849 else
1850 {
1851 /* don't need to change the Zorder of hwnd if it's already inserted
1852 * after hwndInsertAfter or when inserting hwnd after itself.
1853 */
1854 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1855 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1856 winpos->flags |= SWP_NOZORDER;
1857 }
1858 }
1859 done:
1860 WIN_ReleasePtr( wndPtr );
1861 return ret;
1862 }
1863
1864
1865 /***********************************************************************
1866 * set_window_pos
1867 *
1868 * Backend implementation of SetWindowPos.
1869 */
1870 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1871 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1872 {
1873 WND *win;
1874 BOOL ret;
1875 RECT visible_rect, old_window_rect;
1876
1877 visible_rect = *window_rect;
1878 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
1879 window_rect, client_rect, &visible_rect );
1880
1881 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1882 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1883
1884 old_window_rect = win->rectWindow;
1885 SERVER_START_REQ( set_window_pos )
1886 {
1887 req->handle = wine_server_user_handle( hwnd );
1888 req->previous = wine_server_user_handle( insert_after );
1889 req->flags = swp_flags;
1890 req->window.left = window_rect->left;
1891 req->window.top = window_rect->top;
1892 req->window.right = window_rect->right;
1893 req->window.bottom = window_rect->bottom;
1894 req->client.left = client_rect->left;
1895 req->client.top = client_rect->top;
1896 req->client.right = client_rect->right;
1897 req->client.bottom = client_rect->bottom;
1898 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
1899 {
1900 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
1901 if (!IsRectEmpty( &valid_rects[0] ))
1902 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1903 }
1904 if ((ret = !wine_server_call( req )))
1905 {
1906 win->dwStyle = reply->new_style;
1907 win->dwExStyle = reply->new_ex_style;
1908 win->rectWindow = *window_rect;
1909 win->rectClient = *client_rect;
1910 }
1911 }
1912 SERVER_END_REQ;
1913 WIN_ReleasePtr( win );
1914
1915 if (ret)
1916 {
1917 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
1918 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
1919 invalidate_dce( hwnd, &old_window_rect );
1920
1921 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
1922 client_rect, &visible_rect, valid_rects );
1923 }
1924 return ret;
1925 }
1926
1927
1928 /***********************************************************************
1929 * USER_SetWindowPos
1930 *
1931 * User32 internal function
1932 */
1933 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1934 {
1935 RECT newWindowRect, newClientRect, valid_rects[2];
1936 UINT orig_flags;
1937
1938 orig_flags = winpos->flags;
1939
1940 /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1941 if (!(winpos->flags & SWP_NOMOVE))
1942 {
1943 if (winpos->x < -32768) winpos->x = -32768;
1944 else if (winpos->x > 32767) winpos->x = 32767;
1945 if (winpos->y < -32768) winpos->y = -32768;
1946 else if (winpos->y > 32767) winpos->y = 32767;
1947 }
1948 if (!(winpos->flags & SWP_NOSIZE))
1949 {
1950 if (winpos->cx < 0) winpos->cx = 0;
1951 else if (winpos->cx > 32767) winpos->cx = 32767;
1952 if (winpos->cy < 0) winpos->cy = 0;
1953 else if (winpos->cy > 32767) winpos->cy = 32767;
1954 }
1955
1956 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1957
1958 /* Fix redundant flags */
1959 if (!fixup_flags( winpos )) return FALSE;
1960
1961 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1962 {
1963 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1964 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1965 }
1966
1967 /* Common operations */
1968
1969 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1970
1971 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
1972 &newWindowRect, &newClientRect, valid_rects ))
1973 return FALSE;
1974
1975 /* erase parent when hiding or resizing child */
1976 if (!(orig_flags & SWP_DEFERERASE) &&
1977 ((orig_flags & SWP_HIDEWINDOW) ||
1978 (!(orig_flags & SWP_SHOWWINDOW) &&
1979 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1980 {
1981 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1982 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1983 erase_now( parent, 0 );
1984 }
1985
1986 if( winpos->flags & SWP_HIDEWINDOW )
1987 HideCaret(winpos->hwnd);
1988 else if (winpos->flags & SWP_SHOWWINDOW)
1989 ShowCaret(winpos->hwnd);
1990
1991 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1992 {
1993 /* child windows get WM_CHILDACTIVATE message */
1994 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1995 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1996 else
1997 SetForegroundWindow( winpos->hwnd );
1998 }
1999
2000 /* And last, send the WM_WINDOWPOSCHANGED message */
2001
2002 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2003
2004 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2005 {
2006 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2007 and always contains final window position.
2008 */
2009 winpos->x = newWindowRect.left;
2010 winpos->y = newWindowRect.top;
2011 winpos->cx = newWindowRect.right - newWindowRect.left;
2012 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2013 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2014 }
2015 return TRUE;
2016 }
2017
2018 /***********************************************************************
2019 * SetWindowPos (USER32.@)
2020 */
2021 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2022 INT x, INT y, INT cx, INT cy, UINT flags )
2023 {
2024 WINDOWPOS winpos;
2025
2026 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2027 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2028 if(TRACE_ON(win)) dump_winpos_flags(flags);
2029
2030 if (is_broadcast(hwnd))
2031 {
2032 SetLastError( ERROR_INVALID_PARAMETER );
2033 return FALSE;
2034 }
2035
2036 winpos.hwnd = WIN_GetFullHandle(hwnd);
2037 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2038 winpos.x = x;
2039 winpos.y = y;
2040 winpos.cx = cx;
2041 winpos.cy = cy;
2042 winpos.flags = flags;
2043
2044 if (WIN_IsCurrentThread( hwnd ))
2045 return USER_SetWindowPos(&winpos);
2046
2047 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2048 }
2049
2050
2051 /***********************************************************************
2052 * BeginDeferWindowPos (USER32.@)
2053 */
2054 HDWP WINAPI BeginDeferWindowPos( INT count )
2055 {
2056 HDWP handle = 0;
2057 DWP *pDWP;
2058
2059 TRACE("%d\n", count);
2060
2061 if (count < 0)
2062 {
2063 SetLastError(ERROR_INVALID_PARAMETER);
2064 return 0;
2065 }
2066 /* Windows allows zero count, in which case it allocates context for 8 moves */
2067 if (count == 0) count = 8;
2068
2069 if (!(pDWP = HeapAlloc( GetProcessHeap(), 0, sizeof(DWP)))) return 0;
2070
2071 pDWP->actualCount = 0;
2072 pDWP->suggestedCount = count;
2073 pDWP->hwndParent = 0;
2074
2075 if (!(pDWP->winPos = HeapAlloc( GetProcessHeap(), 0, count * sizeof(WINDOWPOS) )) ||
2076 !(handle = alloc_user_handle( &pDWP->obj, USER_DWP )))
2077 {
2078 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2079 HeapFree( GetProcessHeap(), 0, pDWP );
2080 }
2081
2082 TRACE("returning hdwp %p\n", handle);
2083 return handle;
2084 }
2085
2086
2087 /***********************************************************************
2088 * DeferWindowPos (USER32.@)
2089 */
2090 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2091 INT x, INT y, INT cx, INT cy,
2092 UINT flags )
2093 {
2094 DWP *pDWP;
2095 int i;
2096 HDWP retvalue = hdwp;
2097
2098 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2099 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2100
2101 hwnd = WIN_GetFullHandle( hwnd );
2102 if (is_desktop_window( hwnd )) return 0;
2103
2104 if (!(pDWP = get_user_handle_ptr( hdwp, USER_DWP ))) return 0;
2105 if (pDWP == OBJ_OTHER_PROCESS)
2106 {
2107 FIXME( "other process handle %p?\n", hdwp );
2108 return 0;
2109 }
2110
2111 for (i = 0; i < pDWP->actualCount; i++)
2112 {
2113 if (pDWP->winPos[i].hwnd == hwnd)
2114 {
2115 /* Merge with the other changes */
2116 if (!(flags & SWP_NOZORDER))
2117 {
2118 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2119 }
2120 if (!(flags & SWP_NOMOVE))
2121 {
2122 pDWP->winPos[i].x = x;
2123 pDWP->winPos[i].y = y;
2124 }
2125 if (!(flags & SWP_NOSIZE))
2126 {
2127 pDWP->winPos[i].cx = cx;
2128 pDWP->winPos[i].cy = cy;
2129 }
2130 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2131 SWP_NOZORDER | SWP_NOREDRAW |
2132 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2133 SWP_NOOWNERZORDER);
2134 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2135 SWP_FRAMECHANGED);
2136 goto END;
2137 }
2138 }
2139 if (pDWP->actualCount >= pDWP->suggestedCount)
2140 {
2141 WINDOWPOS *newpos = HeapReAlloc( GetProcessHeap(), 0, pDWP->winPos,
2142 pDWP->suggestedCount * 2 * sizeof(WINDOWPOS) );
2143 if (!newpos)
2144 {
2145 retvalue = 0;
2146 goto END;
2147 }
2148 pDWP->suggestedCount *= 2;
2149 pDWP->winPos = newpos;
2150 }
2151 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2152 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2153 pDWP->winPos[pDWP->actualCount].x = x;
2154 pDWP->winPos[pDWP->actualCount].y = y;
2155 pDWP->winPos[pDWP->actualCount].cx = cx;
2156 pDWP->winPos[pDWP->actualCount].cy = cy;
2157 pDWP->winPos[pDWP->actualCount].flags = flags;
2158 pDWP->actualCount++;
2159 END:
2160 release_user_handle_ptr( pDWP );
2161 return retvalue;
2162 }
2163
2164
2165 /***********************************************************************
2166 * EndDeferWindowPos (USER32.@)
2167 */
2168 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2169 {
2170 DWP *pDWP;
2171 WINDOWPOS *winpos;
2172 BOOL res = TRUE;
2173 int i;
2174
2175 TRACE("%p\n", hdwp);
2176
2177 if (!(pDWP = free_user_handle( hdwp, USER_DWP ))) return FALSE;
2178 if (pDWP == OBJ_OTHER_PROCESS)
2179 {
2180 FIXME( "other process handle %p?\n", hdwp );
2181 return FALSE;
2182 }
2183
2184 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2185 {
2186 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2187 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2188 winpos->cx, winpos->cy, winpos->flags);
2189
2190 if (WIN_IsCurrentThread( winpos->hwnd ))
2191 res = USER_SetWindowPos( winpos );
2192 else
2193 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2194 }
2195 HeapFree( GetProcessHeap(), 0, pDWP->winPos );
2196 HeapFree( GetProcessHeap(), 0, pDWP );
2197 return res;
2198 }
2199
2200
2201 /***********************************************************************
2202 * ArrangeIconicWindows (USER32.@)
2203 */
2204 UINT WINAPI ArrangeIconicWindows( HWND parent )
2205 {
2206 RECT rectParent;
2207 HWND hwndChild;
2208 INT x, y, xspacing, yspacing;
2209
2210 GetClientRect( parent, &rectParent );
2211 x = rectParent.left;
2212 y = rectParent.bottom;
2213 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2214 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2215
2216 hwndChild = GetWindow( parent, GW_CHILD );
2217 while (hwndChild)
2218 {
2219 if( IsIconic( hwndChild ) )
2220 {
2221 WINPOS_ShowIconTitle( hwndChild, FALSE );
2222
2223 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2224 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2225 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2226 if( IsWindow(hwndChild) )
2227 WINPOS_ShowIconTitle(hwndChild , TRUE );
2228
2229 if (x <= rectParent.right - xspacing) x += xspacing;
2230 else
2231 {
2232 x = rectParent.left;
2233 y -= yspacing;
2234 }
2235 }
2236 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2237 }
2238 return yspacing;
2239 }
2240
2241
2242 /***********************************************************************
2243 * draw_moving_frame
2244 *
2245 * Draw the frame used when moving or resizing window.
2246 */
2247 static void draw_moving_frame( HDC hdc, RECT *rect, BOOL thickframe )
2248 {
2249 if (thickframe)
2250 {
2251 const int width = GetSystemMetrics(SM_CXFRAME);
2252 const int height = GetSystemMetrics(SM_CYFRAME);
2253
2254 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2255 PatBlt( hdc, rect->left, rect->top,
2256 rect->right - rect->left - width, height, PATINVERT );
2257 PatBlt( hdc, rect->left, rect->top + height, width,
2258 rect->bottom - rect->top - height, PATINVERT );
2259 PatBlt( hdc, rect->left + width, rect->bottom - 1,
2260 rect->right - rect->left - width, -height, PATINVERT );
2261 PatBlt( hdc, rect->right - 1, rect->top, -width,
2262 rect->bottom - rect->top - height, PATINVERT );
2263 SelectObject( hdc, hbrush );
2264 }
2265 else DrawFocusRect( hdc, rect );
2266 }
2267
2268
2269 /***********************************************************************
2270 * start_size_move
2271 *
2272 * Initialization of a move or resize, when initiated from a menu choice.
2273 * Return hit test code for caption or sizing border.
2274 */
2275 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2276 {
2277 LONG hittest = 0;
2278 POINT pt;
2279 MSG msg;
2280 RECT rectWindow;
2281
2282 GetWindowRect( hwnd, &rectWindow );
2283
2284 if ((wParam & 0xfff0) == SC_MOVE)
2285 {
2286 /* Move pointer at the center of the caption */
2287 RECT rect = rectWindow;
2288 /* Note: to be exactly centered we should take the different types
2289 * of border into account, but it shouldn't make more than a few pixels
2290 * of difference so let's not bother with that */
2291 rect.top += GetSystemMetrics(SM_CYBORDER);
2292 if (style & WS_SYSMENU)
2293 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2294 if (style & WS_MINIMIZEBOX)
2295 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2296 if (style & WS_MAXIMIZEBOX)
2297 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2298 pt.x = (rect.right + rect.left) / 2;
2299 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2300 hittest = HTCAPTION;
2301 *capturePoint = pt;
2302 }
2303 else /* SC_SIZE */
2304 {
2305 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2306 pt.x = pt.y = 0;
2307 while(!hittest)
2308 {
2309 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2310 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2311
2312 switch(msg.message)
2313 {
2314 case WM_MOUSEMOVE:
2315 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2316 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2317 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2318 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2319 break;
2320
2321 case WM_LBUTTONUP:
2322 return 0;
2323
2324 case WM_KEYDOWN:
2325 switch(msg.wParam)
2326 {
2327 case VK_UP:
2328 hittest = HTTOP;
2329 pt.x =(rectWindow.left+rectWindow.right)/2;
2330 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2331 break;
2332 case VK_DOWN:
2333 hittest = HTBOTTOM;
2334 pt.x =(rectWindow.left+rectWindow.right)/2;
2335 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2336 break;
2337 case VK_LEFT:
2338 hittest = HTLEFT;
2339 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2340 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2341 break;
2342 case VK_RIGHT:
2343 hittest = HTRIGHT;
2344 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2345 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2346 break;
2347 case VK_RETURN:
2348 case VK_ESCAPE:
2349 return 0;
2350 }
2351 break;
2352 default:
2353 TranslateMessage( &msg );
2354 DispatchMessageW( &msg );
2355 break;
2356 }
2357 }
2358 *capturePoint = pt;
2359 }
2360 SetCursorPos( pt.x, pt.y );
2361 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2362 return hittest;
2363 }
2364
2365
2366 /***********************************************************************
2367 * WINPOS_SysCommandSizeMove
2368 *
2369 * Perform SC_MOVE and SC_SIZE commands.
2370 */
2371 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2372 {
2373 MSG msg;
2374 RECT sizingRect, mouseRect, origRect;
2375 HDC hdc;
2376 HWND parent;
2377 LONG hittest = (LONG)(wParam & 0x0f);
2378 WPARAM syscommand = wParam & 0xfff0;
2379 HCURSOR hDragCursor = 0, hOldCursor = 0;
2380 POINT minTrack, maxTrack;
2381 POINT capturePoint, pt;
2382 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2383 BOOL thickframe = HAS_THICKFRAME( style );
2384 BOOL iconic = style & WS_MINIMIZE;
2385 BOOL moved = FALSE;
2386 DWORD dwPoint = GetMessagePos ();
2387 BOOL DragFullWindows = TRUE;
2388
2389 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2390
2391 pt.x = (short)LOWORD(dwPoint);
2392 pt.y = (short)HIWORD(dwPoint);
2393 capturePoint = pt;
2394
2395 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2396 hwnd, syscommand, hittest, pt.x, pt.y);
2397
2398 if (syscommand == SC_MOVE)
2399 {
2400 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2401 if (!hittest) return;
2402 }
2403 else /* SC_SIZE */
2404 {
2405 if ( hittest && (syscommand != SC_MOUSEMENU) )
2406 hittest += (HTLEFT - WMSZ_LEFT);
2407 else
2408 {
2409 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2410 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2411 if (!hittest)
2412 {
2413 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2414 return;
2415 }
2416 }
2417 }
2418
2419 /* Get min/max info */
2420
2421 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2422 GetWindowRect( hwnd, &sizingRect );
2423 if (style & WS_CHILD)
2424 {
2425 parent = GetParent(hwnd);
2426 /* make sizing rect relative to parent */
2427 MapWindowPoints( 0, parent, (POINT*)&sizingRect, 2 );
2428 GetClientRect( parent, &mouseRect );
2429 }
2430 else
2431 {
2432 parent = 0;
2433 GetClientRect( GetDesktopWindow(), &mouseRect );
2434 mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
2435 mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
2436 mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
2437 mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
2438 }
2439 origRect = sizingRect;
2440
2441 if (ON_LEFT_BORDER(hittest))
2442 {
2443 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2444 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2445 }
2446 else if (ON_RIGHT_BORDER(hittest))
2447 {
2448 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2449 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2450 }
2451 if (ON_TOP_BORDER(hittest))
2452 {
2453 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2454 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2455 }
2456 else if (ON_BOTTOM_BORDER(hittest))
2457 {
2458 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2459 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2460 }
2461 if (parent) MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2462
2463 /* Retrieve a default cache DC (without using the window style) */
2464 hdc = GetDCEx( parent, 0, DCX_CACHE );
2465
2466 if( iconic ) /* create a cursor for dragging */
2467 {
2468 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2469 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2470 if( !hDragCursor ) iconic = FALSE;
2471 }
2472
2473 /* we only allow disabling the full window drag for child windows */
2474 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2475
2476 /* repaint the window before moving it around */
2477 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2478
2479 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2480 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2481
2482 while(1)
2483 {
2484 int dx = 0, dy = 0;
2485
2486 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2487 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2488
2489 /* Exit on button-up, Return, or Esc */
2490 if ((msg.message == WM_LBUTTONUP) ||
2491 ((msg.message == WM_KEYDOWN) &&
2492 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2493
2494 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2495 {
2496 TranslateMessage( &msg );
2497 DispatchMessageW( &msg );
2498 continue; /* We are not interested in other messages */
2499 }
2500
2501 pt = msg.pt;
2502
2503 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2504 {
2505 case VK_UP: pt.y -= 8; break;
2506 case VK_DOWN: pt.y += 8; break;
2507 case VK_LEFT: pt.x -= 8; break;
2508 case VK_RIGHT: pt.x += 8; break;
2509 }
2510
2511 pt.x = max( pt.x, mouseRect.left );
2512 pt.x = min( pt.x, mouseRect.right );
2513 pt.y = max( pt.y, mouseRect.top );
2514 pt.y = min( pt.y, mouseRect.bottom );
2515
2516 dx = pt.x - capturePoint.x;
2517 dy = pt.y - capturePoint.y;
2518
2519 if (dx || dy)
2520 {
2521 if( !moved )
2522 {
2523 moved = TRUE;
2524
2525 if( iconic ) /* ok, no system popup tracking */
2526 {
2527 hOldCursor = SetCursor(hDragCursor);
2528 ShowCursor( TRUE );
2529 WINPOS_ShowIconTitle( hwnd, FALSE );
2530 }
2531 else if(!DragFullWindows)
2532 draw_moving_frame( hdc, &sizingRect, thickframe );
2533 }
2534
2535 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2536 else
2537 {
2538 RECT newRect = sizingRect;
2539 WPARAM wpSizingHit = 0;
2540
2541 if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
2542 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
2543 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
2544 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
2545 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
2546 if(!iconic && !DragFullWindows) draw_moving_frame( hdc, &sizingRect, thickframe );
2547 capturePoint = pt;
2548
2549 /* determine the hit location */
2550 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2551 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2552 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
2553
2554 if (!iconic)
2555 {
2556 if(!DragFullWindows)
2557 draw_moving_frame( hdc, &newRect, thickframe );
2558 else
2559 SetWindowPos( hwnd, 0, newRect.left, newRect.top,
2560 newRect.right - newRect.left,
2561 newRect.bottom - newRect.top,
2562 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2563 }
2564 sizingRect = newRect;
2565 }
2566 }
2567 }
2568
2569 if( iconic )
2570 {
2571 if( moved ) /* restore cursors, show icon title later on */
2572 {
2573 ShowCursor( FALSE );
2574 SetCursor( hOldCursor );
2575 }
2576 }
2577 else if (moved && !DragFullWindows)
2578 {
2579 draw_moving_frame( hdc, &sizingRect, thickframe );
2580 }
2581
2582 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2583 ReleaseDC( parent, hdc );
2584
2585 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2586 moved = FALSE;
2587
2588 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2589 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2590
2591 /* window moved or resized */
2592 if (moved)
2593 {
2594 /* if the moving/resizing isn't canceled call SetWindowPos
2595 * with the new position or the new size of the window
2596 */
2597 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2598 {
2599 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2600 if(!DragFullWindows || iconic)
2601 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2602 sizingRect.right - sizingRect.left,
2603 sizingRect.bottom - sizingRect.top,
2604 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2605 }
2606 else
2607 { /* restore previous size/position */
2608 if(DragFullWindows)
2609 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2610 origRect.right - origRect.left,
2611 origRect.bottom - origRect.top,
2612 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2613 }
2614 }
2615
2616 if (IsIconic(hwnd))
2617 {
2618 /* Single click brings up the system menu when iconized */
2619
2620 if( !moved )
2621 {
2622 if(style & WS_SYSMENU )
2623 SendMessageW( hwnd, WM_SYSCOMMAND,
2624 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2625 }
2626 else WINPOS_ShowIconTitle( hwnd, TRUE );
2627 }
2628 }
Maarten's multimedia branch