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push 378fe7a60681a28e8b22f62dcfe122d585b92570
[wine/hacks.git] / dlls / user32 / winpos.c
blob641947890e527702f4859972f1106f9100328670
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
72 #define DWP_MAGIC ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
73
74 typedef struct
75 {
76 INT actualCount;
77 INT suggestedCount;
78 BOOL valid;
79 INT wMagic;
80 HWND hwndParent;
81 WINDOWPOS winPos[1];
82 } DWP;
83
84
85 /***********************************************************************
86 * SwitchToThisWindow (USER32.@)
87 */
88 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
89 {
90 ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
91 }
92
93
94 /***********************************************************************
95 * GetWindowRect (USER32.@)
96 */
97 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
98 {
99 BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
100 if (ret)
101 {
102 MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
103 TRACE( "hwnd %p (%s)\n", hwnd, wine_dbgstr_rect(rect) );
104 }
105 return ret;
106 }
107
108
109 /***********************************************************************
110 * GetWindowRgn (USER32.@)
111 */
112 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
113 {
114 int nRet = ERROR;
115 NTSTATUS status;
116 HRGN win_rgn = 0;
117 RGNDATA *data;
118 size_t size = 256;
119
120 do
121 {
122 if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
123 {
124 SetLastError( ERROR_OUTOFMEMORY );
125 return ERROR;
126 }
127 SERVER_START_REQ( get_window_region )
128 {
129 req->window = wine_server_user_handle( hwnd );
130 wine_server_set_reply( req, data->Buffer, size );
131 if (!(status = wine_server_call( req )))
132 {
133 size_t reply_size = wine_server_reply_size( reply );
134 if (reply_size)
135 {
136 data->rdh.dwSize = sizeof(data->rdh);
137 data->rdh.iType = RDH_RECTANGLES;
138 data->rdh.nCount = reply_size / sizeof(RECT);
139 data->rdh.nRgnSize = reply_size;
140 win_rgn = ExtCreateRegion( NULL, size, data );
141 }
142 }
143 else size = reply->total_size;
144 }
145 SERVER_END_REQ;
146 HeapFree( GetProcessHeap(), 0, data );
147 } while (status == STATUS_BUFFER_OVERFLOW);
148
149 if (status) SetLastError( RtlNtStatusToDosError(status) );
150 else if (win_rgn)
151 {
152 nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
153 DeleteObject( win_rgn );
154 }
155 return nRet;
156 }
157
158
159 /***********************************************************************
160 * SetWindowRgn (USER32.@)
161 */
162 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
163 {
164 static const RECT empty_rect;
165 BOOL ret;
166
167 if (hrgn)
168 {
169 RGNDATA *data;
170 DWORD size;
171
172 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
173 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
174 if (!GetRegionData( hrgn, size, data ))
175 {
176 HeapFree( GetProcessHeap(), 0, data );
177 return FALSE;
178 }
179 SERVER_START_REQ( set_window_region )
180 {
181 req->window = wine_server_user_handle( hwnd );
182 req->redraw = (bRedraw != 0);
183 if (data->rdh.nCount)
184 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
185 else
186 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
187 ret = !wine_server_call_err( req );
188 }
189 SERVER_END_REQ;
190 }
191 else /* clear existing region */
192 {
193 SERVER_START_REQ( set_window_region )
194 {
195 req->window = wine_server_user_handle( hwnd );
196 req->redraw = (bRedraw != 0);
197 ret = !wine_server_call_err( req );
198 }
199 SERVER_END_REQ;
200 }
201
202 if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
203
204 if (ret)
205 {
206 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
207 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
208 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
209 invalidate_dce( hwnd, NULL );
210 }
211 return ret;
212 }
213
214
215 /***********************************************************************
216 * GetClientRect (USER32.@)
217 */
218 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
219 {
220 BOOL ret;
221
222 if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
223 {
224 rect->right -= rect->left;
225 rect->bottom -= rect->top;
226 rect->left = rect->top = 0;
227 }
228 return ret;
229 }
230
231
232 /*******************************************************************
233 * ClientToScreen (USER32.@)
234 */
235 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
236 {
237 MapWindowPoints( hwnd, 0, lppnt, 1 );
238 return TRUE;
239 }
240
241
242 /*******************************************************************
243 * ScreenToClient (USER32.@)
244 */
245 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
246 {
247 MapWindowPoints( 0, hwnd, lppnt, 1 );
248 return TRUE;
249 }
250
251
252 /***********************************************************************
253 * list_children_from_point
254 *
255 * Get the list of children that can contain point from the server.
256 * Point is in screen coordinates.
257 * Returned list must be freed by caller.
258 */
259 static HWND *list_children_from_point( HWND hwnd, POINT pt )
260 {
261 HWND *list;
262 int i, size = 128;
263
264 for (;;)
265 {
266 int count = 0;
267
268 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
269
270 SERVER_START_REQ( get_window_children_from_point )
271 {
272 req->parent = wine_server_user_handle( hwnd );
273 req->x = pt.x;
274 req->y = pt.y;
275 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
276 if (!wine_server_call( req )) count = reply->count;
277 }
278 SERVER_END_REQ;
279 if (count && count < size)
280 {
281 /* start from the end since HWND is potentially larger than user_handle_t */
282 for (i = count - 1; i >= 0; i--)
283 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
284 list[count] = 0;
285 return list;
286 }
287 HeapFree( GetProcessHeap(), 0, list );
288 if (!count) break;
289 size = count + 1; /* restart with a large enough buffer */
290 }
291 return NULL;
292 }
293
294
295 /***********************************************************************
296 * WINPOS_WindowFromPoint
297 *
298 * Find the window and hittest for a given point.
299 */
300 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
301 {
302 int i, res;
303 HWND ret, *list;
304
305 if (!hwndScope) hwndScope = GetDesktopWindow();
306
307 *hittest = HTNOWHERE;
308
309 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
310
311 /* now determine the hittest */
312
313 for (i = 0; list[i]; i++)
314 {
315 LONG style = GetWindowLongW( list[i], GWL_STYLE );
316
317 /* If window is minimized or disabled, return at once */
318 if (style & WS_MINIMIZE)
319 {
320 *hittest = HTCAPTION;
321 break;
322 }
323 if (style & WS_DISABLED)
324 {
325 *hittest = HTERROR;
326 break;
327 }
328 /* Send WM_NCCHITTEST (if same thread) */
329 if (!WIN_IsCurrentThread( list[i] ))
330 {
331 *hittest = HTCLIENT;
332 break;
333 }
334 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
335 if (res != HTTRANSPARENT)
336 {
337 *hittest = res; /* Found the window */
338 break;
339 }
340 /* continue search with next window in z-order */
341 }
342 ret = list[i];
343 HeapFree( GetProcessHeap(), 0, list );
344 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
345 return ret;
346 }
347
348
349 /*******************************************************************
350 * WindowFromPoint (USER32.@)
351 */
352 HWND WINAPI WindowFromPoint( POINT pt )
353 {
354 INT hittest;
355 return WINPOS_WindowFromPoint( 0, pt, &hittest );
356 }
357
358
359 /*******************************************************************
360 * ChildWindowFromPoint (USER32.@)
361 */
362 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
363 {
364 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
365 }
366
367 /*******************************************************************
368 * RealChildWindowFromPoint (USER32.@)
369 */
370 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
371 {
372 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
373 }
374
375 /*******************************************************************
376 * ChildWindowFromPointEx (USER32.@)
377 */
378 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
379 {
380 /* pt is in the client coordinates */
381 HWND *list;
382 int i;
383 RECT rect;
384 HWND retvalue;
385
386 GetClientRect( hwndParent, &rect );
387 if (!PtInRect( &rect, pt )) return 0;
388 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
389
390 for (i = 0; list[i]; i++)
391 {
392 if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
393 if (!PtInRect( &rect, pt )) continue;
394 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
395 {
396 LONG style = GetWindowLongW( list[i], GWL_STYLE );
397 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
398 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
399 }
400 if (uFlags & CWP_SKIPTRANSPARENT)
401 {
402 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
403 }
404 break;
405 }
406 retvalue = list[i];
407 HeapFree( GetProcessHeap(), 0, list );
408 if (!retvalue) retvalue = hwndParent;
409 return retvalue;
410 }
411
412
413 /*******************************************************************
414 * WINPOS_GetWinOffset
415 *
416 * Calculate the offset between the origin of the two windows. Used
417 * to implement MapWindowPoints.
418 */
419 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
420 {
421 WND * wndPtr;
422
423 offset->x = offset->y = 0;
424
425 /* Translate source window origin to screen coords */
426 if (hwndFrom)
427 {
428 HWND hwnd = hwndFrom;
429
430 while (hwnd)
431 {
432 if (hwnd == hwndTo) return;
433 if (!(wndPtr = WIN_GetPtr( hwnd )))
434 {
435 ERR( "bad hwndFrom = %p\n", hwnd );
436 return;
437 }
438 if (wndPtr == WND_DESKTOP) break;
439 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
440 if (wndPtr->parent)
441 {
442 offset->x += wndPtr->rectClient.left;
443 offset->y += wndPtr->rectClient.top;
444 }
445 hwnd = wndPtr->parent;
446 WIN_ReleasePtr( wndPtr );
447 }
448 }
449
450 /* Translate origin to destination window coords */
451 if (hwndTo)
452 {
453 HWND hwnd = hwndTo;
454
455 while (hwnd)
456 {
457 if (!(wndPtr = WIN_GetPtr( hwnd )))
458 {
459 ERR( "bad hwndTo = %p\n", hwnd );
460 return;
461 }
462 if (wndPtr == WND_DESKTOP) break;
463 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
464 if (wndPtr->parent)
465 {
466 offset->x -= wndPtr->rectClient.left;
467 offset->y -= wndPtr->rectClient.top;
468 }
469 hwnd = wndPtr->parent;
470 WIN_ReleasePtr( wndPtr );
471 }
472 }
473 return;
474
475 other_process: /* one of the parents may belong to another process, do it the hard way */
476 offset->x = offset->y = 0;
477 SERVER_START_REQ( get_windows_offset )
478 {
479 req->from = wine_server_user_handle( hwndFrom );
480 req->to = wine_server_user_handle( hwndTo );
481 if (!wine_server_call( req ))
482 {
483 offset->x = reply->x;
484 offset->y = reply->y;
485 }
486 }
487 SERVER_END_REQ;
488 }
489
490
491 /*******************************************************************
492 * MapWindowPoints (USER.258)
493 */
494 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
495 LPPOINT16 lppt, UINT16 count )
496 {
497 POINT offset;
498
499 WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
500 while (count--)
501 {
502 lppt->x += offset.x;
503 lppt->y += offset.y;
504 lppt++;
505 }
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 || IsChild(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
1060 wndPtr->flags &= ~WIN_NEED_SIZE;
1061 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1062 else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
1063 WIN_ReleasePtr( wndPtr );
1064
1065 SendMessageW( hwnd, WM_SIZE, wParam,
1066 MAKELONG( client.right - client.left, client.bottom - client.top ));
1067 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1068 }
1069 else WIN_ReleasePtr( wndPtr );
1070
1071 /* if previous state was minimized Windows sets focus to the window */
1072 if (style & WS_MINIMIZE) SetFocus( hwnd );
1073
1074 return wasVisible;
1075 }
1076
1077
1078 /***********************************************************************
1079 * ShowWindowAsync (USER32.@)
1080 *
1081 * doesn't wait; returns immediately.
1082 * used by threads to toggle windows in other (possibly hanging) threads
1083 */
1084 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1085 {
1086 HWND full_handle;
1087
1088 if (is_broadcast(hwnd))
1089 {
1090 SetLastError( ERROR_INVALID_PARAMETER );
1091 return FALSE;
1092 }
1093
1094 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1095 return show_window( full_handle, cmd );
1096
1097 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1098 }
1099
1100
1101 /***********************************************************************
1102 * ShowWindow (USER32.@)
1103 */
1104 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1105 {
1106 HWND full_handle;
1107
1108 if (is_broadcast(hwnd))
1109 {
1110 SetLastError( ERROR_INVALID_PARAMETER );
1111 return FALSE;
1112 }
1113 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1114 return show_window( full_handle, cmd );
1115
1116 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1117 }
1118
1119
1120 /***********************************************************************
1121 * GetInternalWindowPos (USER32.@)
1122 */
1123 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1124 LPPOINT ptIcon )
1125 {
1126 WINDOWPLACEMENT wndpl;
1127 if (GetWindowPlacement( hwnd, &wndpl ))
1128 {
1129 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1130 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1131 return wndpl.showCmd;
1132 }
1133 return 0;
1134 }
1135
1136
1137 /***********************************************************************
1138 * GetWindowPlacement (USER32.@)
1139 *
1140 * Win95:
1141 * Fails if wndpl->length of Win95 (!) apps is invalid.
1142 */
1143 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1144 {
1145 WND *pWnd = WIN_GetPtr( hwnd );
1146
1147 if (!pWnd) return FALSE;
1148
1149 if (pWnd == WND_DESKTOP)
1150 {
1151 wndpl->length = sizeof(*wndpl);
1152 wndpl->showCmd = SW_SHOWNORMAL;
1153 wndpl->flags = 0;
1154 wndpl->ptMinPosition.x = -1;
1155 wndpl->ptMinPosition.y = -1;
1156 wndpl->ptMaxPosition.x = -1;
1157 wndpl->ptMaxPosition.y = -1;
1158 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1159 return TRUE;
1160 }
1161 if (pWnd == WND_OTHER_PROCESS)
1162 {
1163 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1164 return FALSE;
1165 }
1166
1167 /* update the placement according to the current style */
1168 if (pWnd->dwStyle & WS_MINIMIZE)
1169 {
1170 pWnd->min_pos.x = pWnd->rectWindow.left;
1171 pWnd->min_pos.y = pWnd->rectWindow.top;
1172 }
1173 else if (pWnd->dwStyle & WS_MAXIMIZE)
1174 {
1175 pWnd->max_pos.x = pWnd->rectWindow.left;
1176 pWnd->max_pos.y = pWnd->rectWindow.top;
1177 }
1178 else
1179 {
1180 pWnd->normal_rect = pWnd->rectWindow;
1181 }
1182
1183 wndpl->length = sizeof(*wndpl);
1184 if( pWnd->dwStyle & WS_MINIMIZE )
1185 wndpl->showCmd = SW_SHOWMINIMIZED;
1186 else
1187 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1188 if( pWnd->flags & WIN_RESTORE_MAX )
1189 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1190 else
1191 wndpl->flags = 0;
1192 wndpl->ptMinPosition = pWnd->min_pos;
1193 wndpl->ptMaxPosition = pWnd->max_pos;
1194 wndpl->rcNormalPosition = pWnd->normal_rect;
1195 WIN_ReleasePtr( pWnd );
1196
1197 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1198 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1199 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1200 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1201 return TRUE;
1202 }
1203
1204 /* make sure the specified rect is visible on screen */
1205 static void make_rect_onscreen( RECT *rect )
1206 {
1207 MONITORINFO info;
1208 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1209
1210 info.cbSize = sizeof(info);
1211 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1212 /* FIXME: map coordinates from rcWork to rcMonitor */
1213 if (rect->right <= info.rcWork.left)
1214 {
1215 rect->right += info.rcWork.left - rect->left;
1216 rect->left = info.rcWork.left;
1217 }
1218 else if (rect->left >= info.rcWork.right)
1219 {
1220 rect->left += info.rcWork.right - rect->right;
1221 rect->right = info.rcWork.right;
1222 }
1223 if (rect->bottom <= info.rcWork.top)
1224 {
1225 rect->bottom += info.rcWork.top - rect->top;
1226 rect->top = info.rcWork.top;
1227 }
1228 else if (rect->top >= info.rcWork.bottom)
1229 {
1230 rect->top += info.rcWork.bottom - rect->bottom;
1231 rect->bottom = info.rcWork.bottom;
1232 }
1233 }
1234
1235 /* make sure the specified point is visible on screen */
1236 static void make_point_onscreen( POINT *pt )
1237 {
1238 RECT rect;
1239
1240 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1241 make_rect_onscreen( &rect );
1242 pt->x = rect.left;
1243 pt->y = rect.top;
1244 }
1245
1246
1247 /***********************************************************************
1248 * WINPOS_SetPlacement
1249 */
1250 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1251 {
1252 DWORD style;
1253 WND *pWnd = WIN_GetPtr( hwnd );
1254 WINDOWPLACEMENT wp = *wndpl;
1255
1256 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1257 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1258 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1259
1260 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1261 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1262 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1263 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1264 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1265 wine_dbgstr_rect(&wp.rcNormalPosition) );
1266
1267 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1268
1269 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1270 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1271 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1272
1273 style = pWnd->dwStyle;
1274
1275 WIN_ReleasePtr( pWnd );
1276
1277 if( style & WS_MINIMIZE )
1278 {
1279 if (flags & PLACE_MIN)
1280 {
1281 WINPOS_ShowIconTitle( hwnd, FALSE );
1282 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1283 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1284 }
1285 }
1286 else if( style & WS_MAXIMIZE )
1287 {
1288 if (flags & PLACE_MAX)
1289 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1290 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1291 }
1292 else if( flags & PLACE_RECT )
1293 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1294 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1295 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1296 SWP_NOZORDER | SWP_NOACTIVATE );
1297
1298 ShowWindow( hwnd, wndpl->showCmd );
1299
1300 if (IsIconic( hwnd ))
1301 {
1302 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1303
1304 /* SDK: ...valid only the next time... */
1305 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1306 {
1307 pWnd = WIN_GetPtr( hwnd );
1308 if (pWnd && pWnd != WND_OTHER_PROCESS)
1309 {
1310 pWnd->flags |= WIN_RESTORE_MAX;
1311 WIN_ReleasePtr( pWnd );
1312 }
1313 }
1314 }
1315 return TRUE;
1316 }
1317
1318
1319 /***********************************************************************
1320 * SetWindowPlacement (USER32.@)
1321 *
1322 * Win95:
1323 * Fails if wndpl->length of Win95 (!) apps is invalid.
1324 */
1325 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1326 {
1327 UINT flags = PLACE_MAX | PLACE_RECT;
1328 if (!wpl) return FALSE;
1329 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1330 return WINPOS_SetPlacement( hwnd, wpl, flags );
1331 }
1332
1333
1334 /***********************************************************************
1335 * AnimateWindow (USER32.@)
1336 * Shows/Hides a window with an animation
1337 * NO ANIMATION YET
1338 */
1339 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1340 {
1341 FIXME("partial stub\n");
1342
1343 /* If trying to show/hide and it's already *
1344 * shown/hidden or invalid window, fail with *
1345 * invalid parameter */
1346 if(!IsWindow(hwnd) ||
1347 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1348 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1349 {
1350 SetLastError(ERROR_INVALID_PARAMETER);
1351 return FALSE;
1352 }
1353
1354 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1355
1356 return TRUE;
1357 }
1358
1359 /***********************************************************************
1360 * SetInternalWindowPos (USER32.@)
1361 */
1362 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1363 LPRECT rect, LPPOINT pt )
1364 {
1365 WINDOWPLACEMENT wndpl;
1366 UINT flags;
1367
1368 wndpl.length = sizeof(wndpl);
1369 wndpl.showCmd = showCmd;
1370 wndpl.flags = flags = 0;
1371
1372 if( pt )
1373 {
1374 flags |= PLACE_MIN;
1375 wndpl.flags |= WPF_SETMINPOSITION;
1376 wndpl.ptMinPosition = *pt;
1377 }
1378 if( rect )
1379 {
1380 flags |= PLACE_RECT;
1381 wndpl.rcNormalPosition = *rect;
1382 }
1383 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1384 }
1385
1386
1387 /*******************************************************************
1388 * can_activate_window
1389 *
1390 * Check if we can activate the specified window.
1391 */
1392 static BOOL can_activate_window( HWND hwnd )
1393 {
1394 LONG style;
1395
1396 if (!hwnd) return FALSE;
1397 style = GetWindowLongW( hwnd, GWL_STYLE );
1398 if (!(style & WS_VISIBLE)) return FALSE;
1399 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1400 return !(style & WS_DISABLED);
1401 }
1402
1403
1404 /*******************************************************************
1405 * WINPOS_ActivateOtherWindow
1406 *
1407 * Activates window other than pWnd.
1408 */
1409 void WINPOS_ActivateOtherWindow(HWND hwnd)
1410 {
1411 HWND hwndTo, fg;
1412
1413 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1414 {
1415 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1416 if (can_activate_window( hwndTo )) goto done;
1417 }
1418
1419 hwndTo = hwnd;
1420 for (;;)
1421 {
1422 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1423 if (can_activate_window( hwndTo )) break;
1424 }
1425
1426 done:
1427 fg = GetForegroundWindow();
1428 TRACE("win = %p fg = %p\n", hwndTo, fg);
1429 if (!fg || (hwnd == fg))
1430 {
1431 if (SetForegroundWindow( hwndTo )) return;
1432 }
1433 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1434 }
1435
1436
1437 /***********************************************************************
1438 * WINPOS_HandleWindowPosChanging
1439 *
1440 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1441 */
1442 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1443 {
1444 POINT minTrack, maxTrack;
1445 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1446
1447 if (winpos->flags & SWP_NOSIZE) return 0;
1448 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1449 {
1450 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1451 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1452 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1453 if (!(style & WS_MINIMIZE))
1454 {
1455 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1456 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1457 }
1458 }
1459 return 0;
1460 }
1461
1462
1463 /***********************************************************************
1464 * dump_winpos_flags
1465 */
1466 static void dump_winpos_flags(UINT flags)
1467 {
1468 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1469 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1470 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1471 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1472 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1473 TRACE("flags:");
1474 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1475 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1476 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1477 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1478 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1479 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1480 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1481 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1482 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1483 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1484 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1485 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1486 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1487 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1488 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1489 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1490
1491 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1492 TRACE("\n");
1493 }
1494
1495 /***********************************************************************
1496 * SWP_DoWinPosChanging
1497 */
1498 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1499 {
1500 WND *wndPtr;
1501
1502 /* Send WM_WINDOWPOSCHANGING message */
1503
1504 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1505 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1506
1507 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1508 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1509
1510 /* Calculate new position and size */
1511
1512 *pNewWindowRect = wndPtr->rectWindow;
1513 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1514 : wndPtr->rectClient;
1515
1516 if (!(pWinpos->flags & SWP_NOSIZE))
1517 {
1518 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1519 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1520 }
1521 if (!(pWinpos->flags & SWP_NOMOVE))
1522 {
1523 pNewWindowRect->left = pWinpos->x;
1524 pNewWindowRect->top = pWinpos->y;
1525 pNewWindowRect->right += pWinpos->x - wndPtr->rectWindow.left;
1526 pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1527
1528 OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1529 pWinpos->y - wndPtr->rectWindow.top );
1530 }
1531 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1532
1533 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1534 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1535 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1536 TRACE( "current %s style %08x new %s\n",
1537 wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1538 wine_dbgstr_rect( pNewWindowRect ));
1539
1540 WIN_ReleasePtr( wndPtr );
1541 return TRUE;
1542 }
1543
1544 /***********************************************************************
1545 * get_valid_rects
1546 *
1547 * Compute the valid rects from the old and new client rect and WVR_* flags.
1548 * Helper for WM_NCCALCSIZE handling.
1549 */
1550 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1551 RECT *valid )
1552 {
1553 int cx, cy;
1554
1555 if (flags & WVR_REDRAW)
1556 {
1557 SetRectEmpty( &valid[0] );
1558 SetRectEmpty( &valid[1] );
1559 return;
1560 }
1561
1562 if (flags & WVR_VALIDRECTS)
1563 {
1564 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1565 !IntersectRect( &valid[1], &valid[1], old_client ))
1566 {
1567 SetRectEmpty( &valid[0] );
1568 SetRectEmpty( &valid[1] );
1569 return;
1570 }
1571 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1572 }
1573 else
1574 {
1575 valid[0] = *new_client;
1576 valid[1] = *old_client;
1577 }
1578
1579 /* make sure the rectangles have the same size */
1580 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1581 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1582
1583 if (flags & WVR_ALIGNBOTTOM)
1584 {
1585 valid[0].top = valid[0].bottom - cy;
1586 valid[1].top = valid[1].bottom - cy;
1587 }
1588 else
1589 {
1590 valid[0].bottom = valid[0].top + cy;
1591 valid[1].bottom = valid[1].top + cy;
1592 }
1593 if (flags & WVR_ALIGNRIGHT)
1594 {
1595 valid[0].left = valid[0].right - cx;
1596 valid[1].left = valid[1].right - cx;
1597 }
1598 else
1599 {
1600 valid[0].right = valid[0].left + cx;
1601 valid[1].right = valid[1].left + cx;
1602 }
1603 }
1604
1605
1606 /***********************************************************************
1607 * SWP_DoOwnedPopups
1608 *
1609 * fix Z order taking into account owned popups -
1610 * basically we need to maintain them above the window that owns them
1611 *
1612 * FIXME: hide/show owned popups when owner visibility changes.
1613 */
1614 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1615 {
1616 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1617 HWND owner, *list = NULL;
1618 unsigned int i;
1619
1620 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1621
1622 if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1623 {
1624 /* make sure this popup stays above the owner */
1625
1626 if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
1627 {
1628 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1629
1630 for (i = 0; list[i]; i++)
1631 {
1632 if (list[i] == owner)
1633 {
1634 if (i > 0) hwndInsertAfter = list[i-1];
1635 else hwndInsertAfter = HWND_TOP;
1636 break;
1637 }
1638
1639 if (hwndInsertAfter == HWND_NOTOPMOST)
1640 {
1641 if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
1642 }
1643 else if (list[i] == hwndInsertAfter) break;
1644 }
1645 }
1646 }
1647 else if (style & WS_CHILD) return hwndInsertAfter;
1648
1649 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1650 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1651
1652 i = 0;
1653 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1654 {
1655 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1656 {
1657 /* skip all the topmost windows */
1658 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1659 }
1660 }
1661 else if (hwndInsertAfter != HWND_TOPMOST)
1662 {
1663 /* skip windows that are already placed correctly */
1664 for (i = 0; list[i]; i++)
1665 {
1666 if (list[i] == hwndInsertAfter) break;
1667 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1668 }
1669 }
1670
1671 for ( ; list[i]; i++)
1672 {
1673 if (list[i] == hwnd) break;
1674 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1675 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1676 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1677 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1678 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1679 hwndInsertAfter = list[i];
1680 }
1681
1682 done:
1683 HeapFree( GetProcessHeap(), 0, list );
1684 return hwndInsertAfter;
1685 }
1686
1687 /***********************************************************************
1688 * SWP_DoNCCalcSize
1689 */
1690 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1691 RECT *validRects )
1692 {
1693 UINT wvrFlags = 0;
1694 WND *wndPtr;
1695
1696 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1697
1698 /* Send WM_NCCALCSIZE message to get new client area */
1699 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1700 {
1701 NCCALCSIZE_PARAMS params;
1702 WINDOWPOS winposCopy;
1703
1704 params.rgrc[0] = *pNewWindowRect;
1705 params.rgrc[1] = wndPtr->rectWindow;
1706 params.rgrc[2] = wndPtr->rectClient;
1707 params.lppos = &winposCopy;
1708 winposCopy = *pWinpos;
1709 WIN_ReleasePtr( wndPtr );
1710
1711 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1712
1713 *pNewClientRect = params.rgrc[0];
1714
1715 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1716
1717 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1718 wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1719 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1720
1721 if( pNewClientRect->left != wndPtr->rectClient.left ||
1722 pNewClientRect->top != wndPtr->rectClient.top )
1723 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1724
1725 if( (pNewClientRect->right - pNewClientRect->left !=
1726 wndPtr->rectClient.right - wndPtr->rectClient.left))
1727 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1728 else
1729 wvrFlags &= ~WVR_HREDRAW;
1730
1731 if (pNewClientRect->bottom - pNewClientRect->top !=
1732 wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1733 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1734 else
1735 wvrFlags &= ~WVR_VREDRAW;
1736
1737 validRects[0] = params.rgrc[1];
1738 validRects[1] = params.rgrc[2];
1739 }
1740 else
1741 {
1742 if (!(pWinpos->flags & SWP_NOMOVE) &&
1743 (pNewClientRect->left != wndPtr->rectClient.left ||
1744 pNewClientRect->top != wndPtr->rectClient.top))
1745 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1746 }
1747
1748 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1749 {
1750 SetRectEmpty( &validRects[0] );
1751 SetRectEmpty( &validRects[1] );
1752 }
1753 else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1754
1755 WIN_ReleasePtr( wndPtr );
1756 return wvrFlags;
1757 }
1758
1759 /* fix redundant flags and values in the WINDOWPOS structure */
1760 static BOOL fixup_flags( WINDOWPOS *winpos )
1761 {
1762 HWND parent;
1763 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1764 BOOL ret = TRUE;
1765
1766 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1767 {
1768 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1769 return FALSE;
1770 }
1771 winpos->hwnd = wndPtr->hwndSelf; /* make it a full handle */
1772
1773 /* Finally make sure that all coordinates are valid */
1774 if (winpos->x < -32768) winpos->x = -32768;
1775 else if (winpos->x > 32767) winpos->x = 32767;
1776 if (winpos->y < -32768) winpos->y = -32768;
1777 else if (winpos->y > 32767) winpos->y = 32767;
1778
1779 if (winpos->cx < 0) winpos->cx = 0;
1780 else if (winpos->cx > 32767) winpos->cx = 32767;
1781 if (winpos->cy < 0) winpos->cy = 0;
1782 else if (winpos->cy > 32767) winpos->cy = 32767;
1783
1784 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1785 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1786
1787 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1788 else
1789 {
1790 winpos->flags &= ~SWP_HIDEWINDOW;
1791 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1792 }
1793
1794 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1795 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1796 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1797
1798 if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1799 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1800
1801 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1802 {
1803 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1804 (winpos->flags & SWP_NOZORDER ||
1805 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1806 {
1807 winpos->flags &= ~SWP_NOZORDER;
1808 winpos->hwndInsertAfter = HWND_TOP;
1809 }
1810 }
1811
1812 /* Check hwndInsertAfter */
1813 if (winpos->flags & SWP_NOZORDER) goto done;
1814
1815 /* fix sign extension */
1816 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1817 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1818
1819 /* hwndInsertAfter must be a sibling of the window */
1820 if (winpos->hwndInsertAfter == HWND_TOP)
1821 {
1822 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1823 winpos->flags |= SWP_NOZORDER;
1824 }
1825 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1826 {
1827 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1828 winpos->flags |= SWP_NOZORDER;
1829 }
1830 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1831 {
1832 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1833 winpos->flags |= SWP_NOZORDER;
1834 }
1835 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1836 {
1837 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1838 winpos->flags |= SWP_NOZORDER;
1839 }
1840 else
1841 {
1842 if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1843 else
1844 {
1845 /* don't need to change the Zorder of hwnd if it's already inserted
1846 * after hwndInsertAfter or when inserting hwnd after itself.
1847 */
1848 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1849 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1850 winpos->flags |= SWP_NOZORDER;
1851 }
1852 }
1853 done:
1854 WIN_ReleasePtr( wndPtr );
1855 return ret;
1856 }
1857
1858
1859 /***********************************************************************
1860 * set_window_pos
1861 *
1862 * Backend implementation of SetWindowPos.
1863 */
1864 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1865 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1866 {
1867 WND *win;
1868 BOOL ret;
1869 RECT visible_rect, old_window_rect;
1870
1871 visible_rect = *window_rect;
1872 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
1873 window_rect, client_rect, &visible_rect );
1874
1875 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1876 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1877
1878 old_window_rect = win->rectWindow;
1879 SERVER_START_REQ( set_window_pos )
1880 {
1881 req->handle = wine_server_user_handle( hwnd );
1882 req->previous = wine_server_user_handle( insert_after );
1883 req->flags = swp_flags;
1884 req->window.left = window_rect->left;
1885 req->window.top = window_rect->top;
1886 req->window.right = window_rect->right;
1887 req->window.bottom = window_rect->bottom;
1888 req->client.left = client_rect->left;
1889 req->client.top = client_rect->top;
1890 req->client.right = client_rect->right;
1891 req->client.bottom = client_rect->bottom;
1892 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
1893 {
1894 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
1895 if (!IsRectEmpty( &valid_rects[0] ))
1896 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1897 }
1898 if ((ret = !wine_server_call( req )))
1899 {
1900 win->dwStyle = reply->new_style;
1901 win->dwExStyle = reply->new_ex_style;
1902 win->rectWindow = *window_rect;
1903 win->rectClient = *client_rect;
1904 }
1905 }
1906 SERVER_END_REQ;
1907 WIN_ReleasePtr( win );
1908
1909 if (ret)
1910 {
1911 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
1912 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
1913 invalidate_dce( hwnd, &old_window_rect );
1914
1915 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
1916 client_rect, &visible_rect, valid_rects );
1917 }
1918 return ret;
1919 }
1920
1921
1922 /***********************************************************************
1923 * USER_SetWindowPos
1924 *
1925 * User32 internal function
1926 */
1927 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1928 {
1929 RECT newWindowRect, newClientRect, valid_rects[2];
1930 UINT orig_flags;
1931
1932 orig_flags = winpos->flags;
1933
1934 /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1935 if (!(winpos->flags & SWP_NOMOVE))
1936 {
1937 if (winpos->x < -32768) winpos->x = -32768;
1938 else if (winpos->x > 32767) winpos->x = 32767;
1939 if (winpos->y < -32768) winpos->y = -32768;
1940 else if (winpos->y > 32767) winpos->y = 32767;
1941 }
1942 if (!(winpos->flags & SWP_NOSIZE))
1943 {
1944 if (winpos->cx < 0) winpos->cx = 0;
1945 else if (winpos->cx > 32767) winpos->cx = 32767;
1946 if (winpos->cy < 0) winpos->cy = 0;
1947 else if (winpos->cy > 32767) winpos->cy = 32767;
1948 }
1949
1950 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1951
1952 /* Fix redundant flags */
1953 if (!fixup_flags( winpos )) return FALSE;
1954
1955 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1956 {
1957 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1958 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1959 }
1960
1961 /* Common operations */
1962
1963 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1964
1965 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
1966 &newWindowRect, &newClientRect, valid_rects ))
1967 return FALSE;
1968
1969 /* erase parent when hiding or resizing child */
1970 if (!(orig_flags & SWP_DEFERERASE) &&
1971 ((orig_flags & SWP_HIDEWINDOW) ||
1972 (!(orig_flags & SWP_SHOWWINDOW) &&
1973 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1974 {
1975 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1976 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1977 erase_now( parent, 0 );
1978 }
1979
1980 if( winpos->flags & SWP_HIDEWINDOW )
1981 HideCaret(winpos->hwnd);
1982 else if (winpos->flags & SWP_SHOWWINDOW)
1983 ShowCaret(winpos->hwnd);
1984
1985 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1986 {
1987 /* child windows get WM_CHILDACTIVATE message */
1988 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1989 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1990 else
1991 SetForegroundWindow( winpos->hwnd );
1992 }
1993
1994 /* And last, send the WM_WINDOWPOSCHANGED message */
1995
1996 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1997
1998 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
1999 {
2000 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2001 and always contains final window position.
2002 */
2003 winpos->x = newWindowRect.left;
2004 winpos->y = newWindowRect.top;
2005 winpos->cx = newWindowRect.right - newWindowRect.left;
2006 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2007 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2008 }
2009 return TRUE;
2010 }
2011
2012 /***********************************************************************
2013 * SetWindowPos (USER32.@)
2014 */
2015 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2016 INT x, INT y, INT cx, INT cy, UINT flags )
2017 {
2018 WINDOWPOS winpos;
2019
2020 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2021 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2022 if(TRACE_ON(win)) dump_winpos_flags(flags);
2023
2024 if (is_broadcast(hwnd))
2025 {
2026 SetLastError( ERROR_INVALID_PARAMETER );
2027 return FALSE;
2028 }
2029
2030 winpos.hwnd = WIN_GetFullHandle(hwnd);
2031 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2032 winpos.x = x;
2033 winpos.y = y;
2034 winpos.cx = cx;
2035 winpos.cy = cy;
2036 winpos.flags = flags;
2037
2038 if (WIN_IsCurrentThread( hwnd ))
2039 return USER_SetWindowPos(&winpos);
2040
2041 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2042 }
2043
2044
2045 /***********************************************************************
2046 * BeginDeferWindowPos (USER32.@)
2047 */
2048 HDWP WINAPI BeginDeferWindowPos( INT count )
2049 {
2050 HDWP handle;
2051 DWP *pDWP;
2052
2053 TRACE("%d\n", count);
2054
2055 if (count < 0)
2056 {
2057 SetLastError(ERROR_INVALID_PARAMETER);
2058 return 0;
2059 }
2060 /* Windows allows zero count, in which case it allocates context for 8 moves */
2061 if (count == 0) count = 8;
2062
2063 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
2064 if (!handle) return 0;
2065 pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
2066 pDWP->actualCount = 0;
2067 pDWP->suggestedCount = count;
2068 pDWP->valid = TRUE;
2069 pDWP->wMagic = DWP_MAGIC;
2070 pDWP->hwndParent = 0;
2071
2072 TRACE("returning hdwp %p\n", handle);
2073 return handle;
2074 }
2075
2076
2077 /***********************************************************************
2078 * DeferWindowPos (USER32.@)
2079 */
2080 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2081 INT x, INT y, INT cx, INT cy,
2082 UINT flags )
2083 {
2084 DWP *pDWP;
2085 int i;
2086 HDWP newhdwp = hdwp,retvalue;
2087
2088 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2089 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2090
2091 hwnd = WIN_GetFullHandle( hwnd );
2092 if (is_desktop_window( hwnd )) return 0;
2093
2094 if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
2095
2096 USER_Lock();
2097
2098 for (i = 0; i < pDWP->actualCount; i++)
2099 {
2100 if (pDWP->winPos[i].hwnd == hwnd)
2101 {
2102 /* Merge with the other changes */
2103 if (!(flags & SWP_NOZORDER))
2104 {
2105 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2106 }
2107 if (!(flags & SWP_NOMOVE))
2108 {
2109 pDWP->winPos[i].x = x;
2110 pDWP->winPos[i].y = y;
2111 }
2112 if (!(flags & SWP_NOSIZE))
2113 {
2114 pDWP->winPos[i].cx = cx;
2115 pDWP->winPos[i].cy = cy;
2116 }
2117 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2118 SWP_NOZORDER | SWP_NOREDRAW |
2119 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2120 SWP_NOOWNERZORDER);
2121 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2122 SWP_FRAMECHANGED);
2123 retvalue = hdwp;
2124 goto END;
2125 }
2126 }
2127 if (pDWP->actualCount >= pDWP->suggestedCount)
2128 {
2129 newhdwp = USER_HEAP_REALLOC( hdwp,
2130 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
2131 if (!newhdwp)
2132 {
2133 retvalue = 0;
2134 goto END;
2135 }
2136 pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2137 pDWP->suggestedCount++;
2138 }
2139 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2140 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2141 pDWP->winPos[pDWP->actualCount].x = x;
2142 pDWP->winPos[pDWP->actualCount].y = y;
2143 pDWP->winPos[pDWP->actualCount].cx = cx;
2144 pDWP->winPos[pDWP->actualCount].cy = cy;
2145 pDWP->winPos[pDWP->actualCount].flags = flags;
2146 pDWP->actualCount++;
2147 retvalue = newhdwp;
2148 END:
2149 USER_Unlock();
2150 return retvalue;
2151 }
2152
2153
2154 /***********************************************************************
2155 * EndDeferWindowPos (USER32.@)
2156 */
2157 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2158 {
2159 DWP *pDWP;
2160 WINDOWPOS *winpos;
2161 BOOL res = TRUE;
2162 int i;
2163
2164 TRACE("%p\n", hdwp);
2165
2166 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2167 if (!pDWP) return FALSE;
2168 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2169 {
2170 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2171 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2172 winpos->cx, winpos->cy, winpos->flags);
2173
2174 if (WIN_IsCurrentThread( winpos->hwnd ))
2175 res = USER_SetWindowPos( winpos );
2176 else
2177 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2178 }
2179 USER_HEAP_FREE( hdwp );
2180 return res;
2181 }
2182
2183
2184 /***********************************************************************
2185 * ArrangeIconicWindows (USER32.@)
2186 */
2187 UINT WINAPI ArrangeIconicWindows( HWND parent )
2188 {
2189 RECT rectParent;
2190 HWND hwndChild;
2191 INT x, y, xspacing, yspacing;
2192
2193 GetClientRect( parent, &rectParent );
2194 x = rectParent.left;
2195 y = rectParent.bottom;
2196 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2197 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2198
2199 hwndChild = GetWindow( parent, GW_CHILD );
2200 while (hwndChild)
2201 {
2202 if( IsIconic( hwndChild ) )
2203 {
2204 WINPOS_ShowIconTitle( hwndChild, FALSE );
2205
2206 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2207 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2208 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2209 if( IsWindow(hwndChild) )
2210 WINPOS_ShowIconTitle(hwndChild , TRUE );
2211
2212 if (x <= rectParent.right - xspacing) x += xspacing;
2213 else
2214 {
2215 x = rectParent.left;
2216 y -= yspacing;
2217 }
2218 }
2219 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2220 }
2221 return yspacing;
2222 }
2223
2224
2225 /***********************************************************************
2226 * draw_moving_frame
2227 *
2228 * Draw the frame used when moving or resizing window.
2229 */
2230 static void draw_moving_frame( HDC hdc, RECT *rect, BOOL thickframe )
2231 {
2232 if (thickframe)
2233 {
2234 const int width = GetSystemMetrics(SM_CXFRAME);
2235 const int height = GetSystemMetrics(SM_CYFRAME);
2236
2237 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2238 PatBlt( hdc, rect->left, rect->top,
2239 rect->right - rect->left - width, height, PATINVERT );
2240 PatBlt( hdc, rect->left, rect->top + height, width,
2241 rect->bottom - rect->top - height, PATINVERT );
2242 PatBlt( hdc, rect->left + width, rect->bottom - 1,
2243 rect->right - rect->left - width, -height, PATINVERT );
2244 PatBlt( hdc, rect->right - 1, rect->top, -width,
2245 rect->bottom - rect->top - height, PATINVERT );
2246 SelectObject( hdc, hbrush );
2247 }
2248 else DrawFocusRect( hdc, rect );
2249 }
2250
2251
2252 /***********************************************************************
2253 * start_size_move
2254 *
2255 * Initialization of a move or resize, when initiated from a menu choice.
2256 * Return hit test code for caption or sizing border.
2257 */
2258 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2259 {
2260 LONG hittest = 0;
2261 POINT pt;
2262 MSG msg;
2263 RECT rectWindow;
2264
2265 GetWindowRect( hwnd, &rectWindow );
2266
2267 if ((wParam & 0xfff0) == SC_MOVE)
2268 {
2269 /* Move pointer at the center of the caption */
2270 RECT rect = rectWindow;
2271 /* Note: to be exactly centered we should take the different types
2272 * of border into account, but it shouldn't make more than a few pixels
2273 * of difference so let's not bother with that */
2274 rect.top += GetSystemMetrics(SM_CYBORDER);
2275 if (style & WS_SYSMENU)
2276 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2277 if (style & WS_MINIMIZEBOX)
2278 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2279 if (style & WS_MAXIMIZEBOX)
2280 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2281 pt.x = (rect.right + rect.left) / 2;
2282 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2283 hittest = HTCAPTION;
2284 *capturePoint = pt;
2285 }
2286 else /* SC_SIZE */
2287 {
2288 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2289 pt.x = pt.y = 0;
2290 while(!hittest)
2291 {
2292 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2293 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2294
2295 switch(msg.message)
2296 {
2297 case WM_MOUSEMOVE:
2298 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2299 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2300 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2301 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2302 break;
2303
2304 case WM_LBUTTONUP:
2305 return 0;
2306
2307 case WM_KEYDOWN:
2308 switch(msg.wParam)
2309 {
2310 case VK_UP:
2311 hittest = HTTOP;
2312 pt.x =(rectWindow.left+rectWindow.right)/2;
2313 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2314 break;
2315 case VK_DOWN:
2316 hittest = HTBOTTOM;
2317 pt.x =(rectWindow.left+rectWindow.right)/2;
2318 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2319 break;
2320 case VK_LEFT:
2321 hittest = HTLEFT;
2322 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2323 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2324 break;
2325 case VK_RIGHT:
2326 hittest = HTRIGHT;
2327 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2328 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2329 break;
2330 case VK_RETURN:
2331 case VK_ESCAPE:
2332 return 0;
2333 }
2334 break;
2335 default:
2336 TranslateMessage( &msg );
2337 DispatchMessageW( &msg );
2338 break;
2339 }
2340 }
2341 *capturePoint = pt;
2342 }
2343 SetCursorPos( pt.x, pt.y );
2344 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2345 return hittest;
2346 }
2347
2348
2349 /***********************************************************************
2350 * WINPOS_SysCommandSizeMove
2351 *
2352 * Perform SC_MOVE and SC_SIZE commands.
2353 */
2354 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2355 {
2356 MSG msg;
2357 RECT sizingRect, mouseRect, origRect;
2358 HDC hdc;
2359 HWND parent;
2360 LONG hittest = (LONG)(wParam & 0x0f);
2361 WPARAM syscommand = wParam & 0xfff0;
2362 HCURSOR hDragCursor = 0, hOldCursor = 0;
2363 POINT minTrack, maxTrack;
2364 POINT capturePoint, pt;
2365 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2366 BOOL thickframe = HAS_THICKFRAME( style );
2367 BOOL iconic = style & WS_MINIMIZE;
2368 BOOL moved = FALSE;
2369 DWORD dwPoint = GetMessagePos ();
2370 BOOL DragFullWindows = TRUE;
2371
2372 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2373
2374 pt.x = (short)LOWORD(dwPoint);
2375 pt.y = (short)HIWORD(dwPoint);
2376 capturePoint = pt;
2377
2378 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2379 hwnd, syscommand, hittest, pt.x, pt.y);
2380
2381 if (syscommand == SC_MOVE)
2382 {
2383 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2384 if (!hittest) return;
2385 }
2386 else /* SC_SIZE */
2387 {
2388 if ( hittest && (syscommand != SC_MOUSEMENU) )
2389 hittest += (HTLEFT - WMSZ_LEFT);
2390 else
2391 {
2392 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2393 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2394 if (!hittest)
2395 {
2396 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2397 return;
2398 }
2399 }
2400 }
2401
2402 /* Get min/max info */
2403
2404 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2405 GetWindowRect( hwnd, &sizingRect );
2406 if (style & WS_CHILD)
2407 {
2408 parent = GetParent(hwnd);
2409 /* make sizing rect relative to parent */
2410 MapWindowPoints( 0, parent, (POINT*)&sizingRect, 2 );
2411 GetClientRect( parent, &mouseRect );
2412 }
2413 else
2414 {
2415 parent = 0;
2416 GetClientRect( GetDesktopWindow(), &mouseRect );
2417 mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
2418 mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
2419 mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
2420 mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
2421 }
2422 origRect = sizingRect;
2423
2424 if (ON_LEFT_BORDER(hittest))
2425 {
2426 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2427 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2428 }
2429 else if (ON_RIGHT_BORDER(hittest))
2430 {
2431 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2432 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2433 }
2434 if (ON_TOP_BORDER(hittest))
2435 {
2436 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2437 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2438 }
2439 else if (ON_BOTTOM_BORDER(hittest))
2440 {
2441 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2442 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2443 }
2444 if (parent) MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2445
2446 /* Retrieve a default cache DC (without using the window style) */
2447 hdc = GetDCEx( parent, 0, DCX_CACHE );
2448
2449 if( iconic ) /* create a cursor for dragging */
2450 {
2451 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2452 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2453 if( !hDragCursor ) iconic = FALSE;
2454 }
2455
2456 /* we only allow disabling the full window drag for child windows */
2457 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2458
2459 /* repaint the window before moving it around */
2460 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2461
2462 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2463 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2464
2465 while(1)
2466 {
2467 int dx = 0, dy = 0;
2468
2469 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2470 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2471
2472 /* Exit on button-up, Return, or Esc */
2473 if ((msg.message == WM_LBUTTONUP) ||
2474 ((msg.message == WM_KEYDOWN) &&
2475 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2476
2477 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2478 {
2479 TranslateMessage( &msg );
2480 DispatchMessageW( &msg );
2481 continue; /* We are not interested in other messages */
2482 }
2483
2484 pt = msg.pt;
2485
2486 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2487 {
2488 case VK_UP: pt.y -= 8; break;
2489 case VK_DOWN: pt.y += 8; break;
2490 case VK_LEFT: pt.x -= 8; break;
2491 case VK_RIGHT: pt.x += 8; break;
2492 }
2493
2494 pt.x = max( pt.x, mouseRect.left );
2495 pt.x = min( pt.x, mouseRect.right );
2496 pt.y = max( pt.y, mouseRect.top );
2497 pt.y = min( pt.y, mouseRect.bottom );
2498
2499 dx = pt.x - capturePoint.x;
2500 dy = pt.y - capturePoint.y;
2501
2502 if (dx || dy)
2503 {
2504 if( !moved )
2505 {
2506 moved = TRUE;
2507
2508 if( iconic ) /* ok, no system popup tracking */
2509 {
2510 hOldCursor = SetCursor(hDragCursor);
2511 ShowCursor( TRUE );
2512 WINPOS_ShowIconTitle( hwnd, FALSE );
2513 }
2514 else if(!DragFullWindows)
2515 draw_moving_frame( hdc, &sizingRect, thickframe );
2516 }
2517
2518 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2519 else
2520 {
2521 RECT newRect = sizingRect;
2522 WPARAM wpSizingHit = 0;
2523
2524 if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
2525 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
2526 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
2527 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
2528 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
2529 if(!iconic && !DragFullWindows) draw_moving_frame( hdc, &sizingRect, thickframe );
2530 capturePoint = pt;
2531
2532 /* determine the hit location */
2533 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2534 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2535 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
2536
2537 if (!iconic)
2538 {
2539 if(!DragFullWindows)
2540 draw_moving_frame( hdc, &newRect, thickframe );
2541 else
2542 SetWindowPos( hwnd, 0, newRect.left, newRect.top,
2543 newRect.right - newRect.left,
2544 newRect.bottom - newRect.top,
2545 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2546 }
2547 sizingRect = newRect;
2548 }
2549 }
2550 }
2551
2552 if( iconic )
2553 {
2554 if( moved ) /* restore cursors, show icon title later on */
2555 {
2556 ShowCursor( FALSE );
2557 SetCursor( hOldCursor );
2558 }
2559 }
2560 else if (moved && !DragFullWindows)
2561 {
2562 draw_moving_frame( hdc, &sizingRect, thickframe );
2563 }
2564
2565 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2566 ReleaseDC( parent, hdc );
2567
2568 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2569 moved = FALSE;
2570
2571 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2572 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2573
2574 /* window moved or resized */
2575 if (moved)
2576 {
2577 /* if the moving/resizing isn't canceled call SetWindowPos
2578 * with the new position or the new size of the window
2579 */
2580 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2581 {
2582 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2583 if(!DragFullWindows || iconic)
2584 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2585 sizingRect.right - sizingRect.left,
2586 sizingRect.bottom - sizingRect.top,
2587 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2588 }
2589 else
2590 { /* restore previous size/position */
2591 if(DragFullWindows)
2592 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2593 origRect.right - origRect.left,
2594 origRect.bottom - origRect.top,
2595 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2596 }
2597 }
2598
2599 if (IsIconic(hwnd))
2600 {
2601 /* Single click brings up the system menu when iconized */
2602
2603 if( !moved )
2604 {
2605 if(style & WS_SYSMENU )
2606 SendMessageW( hwnd, WM_SYSCOMMAND,
2607 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2608 }
2609 else WINPOS_ShowIconTitle( hwnd, TRUE );
2610 }
2611 }
useful hacks and other patches not (yet) suitable for mainline