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push cc8bc80451cc24f4d7cf75168b569f0ebfe19547
[wine/hacks.git] / dlls / user32 / winpos.c
blob7f18da5195295ccd3f528156ef5bf8e38713603a
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 * GetWindowRgnBox (USER32.@)
160 */
161 int WINAPI GetWindowRgnBox( HWND hwnd, LPRECT prect )
162 {
163 int ret = ERROR;
164 HRGN hrgn;
165
166 if (!prect)
167 return ERROR;
168
169 if ((hrgn = CreateRectRgn(0, 0, 0, 0)))
170 {
171 if ((ret = GetWindowRgn( hwnd, hrgn )) != ERROR )
172 ret = GetRgnBox( hrgn, prect );
173 DeleteObject(hrgn);
174 }
175
176 return ret;
177 }
178
179 /***********************************************************************
180 * SetWindowRgn (USER32.@)
181 */
182 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
183 {
184 static const RECT empty_rect;
185 BOOL ret;
186
187 if (hrgn)
188 {
189 RGNDATA *data;
190 DWORD size;
191
192 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
193 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
194 if (!GetRegionData( hrgn, size, data ))
195 {
196 HeapFree( GetProcessHeap(), 0, data );
197 return FALSE;
198 }
199 SERVER_START_REQ( set_window_region )
200 {
201 req->window = wine_server_user_handle( hwnd );
202 req->redraw = (bRedraw != 0);
203 if (data->rdh.nCount)
204 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
205 else
206 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
207 ret = !wine_server_call_err( req );
208 }
209 SERVER_END_REQ;
210 HeapFree( GetProcessHeap(), 0, data );
211 }
212 else /* clear existing region */
213 {
214 SERVER_START_REQ( set_window_region )
215 {
216 req->window = wine_server_user_handle( hwnd );
217 req->redraw = (bRedraw != 0);
218 ret = !wine_server_call_err( req );
219 }
220 SERVER_END_REQ;
221 }
222
223 if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
224
225 if (ret)
226 {
227 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
228 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
229 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
230 invalidate_dce( hwnd, NULL );
231 }
232 return ret;
233 }
234
235
236 /***********************************************************************
237 * GetClientRect (USER32.@)
238 */
239 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
240 {
241 BOOL ret;
242
243 if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
244 {
245 rect->right -= rect->left;
246 rect->bottom -= rect->top;
247 rect->left = rect->top = 0;
248 }
249 return ret;
250 }
251
252
253 /*******************************************************************
254 * ClientToScreen (USER32.@)
255 */
256 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
257 {
258 MapWindowPoints( hwnd, 0, lppnt, 1 );
259 return TRUE;
260 }
261
262
263 /*******************************************************************
264 * ScreenToClient (USER32.@)
265 */
266 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
267 {
268 MapWindowPoints( 0, hwnd, lppnt, 1 );
269 return TRUE;
270 }
271
272
273 /***********************************************************************
274 * list_children_from_point
275 *
276 * Get the list of children that can contain point from the server.
277 * Point is in screen coordinates.
278 * Returned list must be freed by caller.
279 */
280 static HWND *list_children_from_point( HWND hwnd, POINT pt )
281 {
282 HWND *list;
283 int i, size = 128;
284
285 for (;;)
286 {
287 int count = 0;
288
289 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
290
291 SERVER_START_REQ( get_window_children_from_point )
292 {
293 req->parent = wine_server_user_handle( hwnd );
294 req->x = pt.x;
295 req->y = pt.y;
296 wine_server_set_reply( req, list, (size-1) * sizeof(user_handle_t) );
297 if (!wine_server_call( req )) count = reply->count;
298 }
299 SERVER_END_REQ;
300 if (count && count < size)
301 {
302 /* start from the end since HWND is potentially larger than user_handle_t */
303 for (i = count - 1; i >= 0; i--)
304 list[i] = wine_server_ptr_handle( ((user_handle_t *)list)[i] );
305 list[count] = 0;
306 return list;
307 }
308 HeapFree( GetProcessHeap(), 0, list );
309 if (!count) break;
310 size = count + 1; /* restart with a large enough buffer */
311 }
312 return NULL;
313 }
314
315
316 /***********************************************************************
317 * WINPOS_WindowFromPoint
318 *
319 * Find the window and hittest for a given point.
320 */
321 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
322 {
323 int i, res;
324 HWND ret, *list;
325
326 if (!hwndScope) hwndScope = GetDesktopWindow();
327
328 *hittest = HTNOWHERE;
329
330 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
331
332 /* now determine the hittest */
333
334 for (i = 0; list[i]; i++)
335 {
336 LONG style = GetWindowLongW( list[i], GWL_STYLE );
337
338 /* If window is minimized or disabled, return at once */
339 if (style & WS_MINIMIZE)
340 {
341 *hittest = HTCAPTION;
342 break;
343 }
344 if (style & WS_DISABLED)
345 {
346 *hittest = HTERROR;
347 break;
348 }
349 /* Send WM_NCCHITTEST (if same thread) */
350 if (!WIN_IsCurrentThread( list[i] ))
351 {
352 *hittest = HTCLIENT;
353 break;
354 }
355 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
356 if (res != HTTRANSPARENT)
357 {
358 *hittest = res; /* Found the window */
359 break;
360 }
361 /* continue search with next window in z-order */
362 }
363 ret = list[i];
364 HeapFree( GetProcessHeap(), 0, list );
365 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
366 return ret;
367 }
368
369
370 /*******************************************************************
371 * WindowFromPoint (USER32.@)
372 */
373 HWND WINAPI WindowFromPoint( POINT pt )
374 {
375 INT hittest;
376 return WINPOS_WindowFromPoint( 0, pt, &hittest );
377 }
378
379
380 /*******************************************************************
381 * ChildWindowFromPoint (USER32.@)
382 */
383 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
384 {
385 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
386 }
387
388 /*******************************************************************
389 * RealChildWindowFromPoint (USER32.@)
390 */
391 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
392 {
393 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
394 }
395
396 /*******************************************************************
397 * ChildWindowFromPointEx (USER32.@)
398 */
399 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
400 {
401 /* pt is in the client coordinates */
402 HWND *list;
403 int i;
404 RECT rect;
405 HWND retvalue;
406
407 GetClientRect( hwndParent, &rect );
408 if (!PtInRect( &rect, pt )) return 0;
409 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
410
411 for (i = 0; list[i]; i++)
412 {
413 if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
414 if (!PtInRect( &rect, pt )) continue;
415 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
416 {
417 LONG style = GetWindowLongW( list[i], GWL_STYLE );
418 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
419 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
420 }
421 if (uFlags & CWP_SKIPTRANSPARENT)
422 {
423 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
424 }
425 break;
426 }
427 retvalue = list[i];
428 HeapFree( GetProcessHeap(), 0, list );
429 if (!retvalue) retvalue = hwndParent;
430 return retvalue;
431 }
432
433
434 /*******************************************************************
435 * WINPOS_GetWinOffset
436 *
437 * Calculate the offset between the origin of the two windows. Used
438 * to implement MapWindowPoints.
439 */
440 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
441 {
442 WND * wndPtr;
443
444 offset->x = offset->y = 0;
445
446 /* Translate source window origin to screen coords */
447 if (hwndFrom)
448 {
449 HWND hwnd = hwndFrom;
450
451 while (hwnd)
452 {
453 if (hwnd == hwndTo) return;
454 if (!(wndPtr = WIN_GetPtr( hwnd )))
455 {
456 ERR( "bad hwndFrom = %p\n", hwnd );
457 return;
458 }
459 if (wndPtr == WND_DESKTOP) break;
460 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
461 if (wndPtr->parent)
462 {
463 offset->x += wndPtr->rectClient.left;
464 offset->y += wndPtr->rectClient.top;
465 }
466 hwnd = wndPtr->parent;
467 WIN_ReleasePtr( wndPtr );
468 }
469 }
470
471 /* Translate origin to destination window coords */
472 if (hwndTo)
473 {
474 HWND hwnd = hwndTo;
475
476 while (hwnd)
477 {
478 if (!(wndPtr = WIN_GetPtr( hwnd )))
479 {
480 ERR( "bad hwndTo = %p\n", hwnd );
481 return;
482 }
483 if (wndPtr == WND_DESKTOP) break;
484 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
485 if (wndPtr->parent)
486 {
487 offset->x -= wndPtr->rectClient.left;
488 offset->y -= wndPtr->rectClient.top;
489 }
490 hwnd = wndPtr->parent;
491 WIN_ReleasePtr( wndPtr );
492 }
493 }
494 return;
495
496 other_process: /* one of the parents may belong to another process, do it the hard way */
497 offset->x = offset->y = 0;
498 SERVER_START_REQ( get_windows_offset )
499 {
500 req->from = wine_server_user_handle( hwndFrom );
501 req->to = wine_server_user_handle( hwndTo );
502 if (!wine_server_call( req ))
503 {
504 offset->x = reply->x;
505 offset->y = reply->y;
506 }
507 }
508 SERVER_END_REQ;
509 }
510
511
512 /*******************************************************************
513 * MapWindowPoints (USER.258)
514 */
515 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
516 LPPOINT16 lppt, UINT16 count )
517 {
518 POINT offset;
519
520 WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
521 while (count--)
522 {
523 lppt->x += offset.x;
524 lppt->y += offset.y;
525 lppt++;
526 }
527 }
528
529
530 /*******************************************************************
531 * MapWindowPoints (USER32.@)
532 */
533 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
534 {
535 POINT offset;
536
537 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
538 while (count--)
539 {
540 lppt->x += offset.x;
541 lppt->y += offset.y;
542 lppt++;
543 }
544 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
545 }
546
547
548 /***********************************************************************
549 * IsIconic (USER32.@)
550 */
551 BOOL WINAPI IsIconic(HWND hWnd)
552 {
553 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
554 }
555
556
557 /***********************************************************************
558 * IsZoomed (USER32.@)
559 */
560 BOOL WINAPI IsZoomed(HWND hWnd)
561 {
562 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
563 }
564
565
566 /*******************************************************************
567 * AllowSetForegroundWindow (USER32.@)
568 */
569 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
570 {
571 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
572 * implemented, then fix this function. */
573 return TRUE;
574 }
575
576
577 /*******************************************************************
578 * LockSetForegroundWindow (USER32.@)
579 */
580 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
581 {
582 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
583 * implemented, then fix this function. */
584 return TRUE;
585 }
586
587
588 /***********************************************************************
589 * BringWindowToTop (USER32.@)
590 */
591 BOOL WINAPI BringWindowToTop( HWND hwnd )
592 {
593 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
594 }
595
596
597 /***********************************************************************
598 * MoveWindow (USER32.@)
599 */
600 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
601 BOOL repaint )
602 {
603 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
604 if (!repaint) flags |= SWP_NOREDRAW;
605 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
606 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
607 }
608
609
610 /***********************************************************************
611 * WINPOS_RedrawIconTitle
612 */
613 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
614 {
615 HWND icon_title = 0;
616 WND *win = WIN_GetPtr( hWnd );
617
618 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
619 {
620 icon_title = win->icon_title;
621 WIN_ReleasePtr( win );
622 }
623 if (!icon_title) return FALSE;
624 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
625 InvalidateRect( icon_title, NULL, TRUE );
626 return TRUE;
627 }
628
629 /***********************************************************************
630 * WINPOS_ShowIconTitle
631 */
632 static BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
633 {
634 if (!GetPropA( hwnd, "__wine_x11_managed" ))
635 {
636 WND *win = WIN_GetPtr( hwnd );
637 HWND title = 0;
638
639 TRACE("%p %i\n", hwnd, (bShow != 0) );
640
641 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
642 title = win->icon_title;
643 WIN_ReleasePtr( win );
644
645 if( bShow )
646 {
647 if (!title)
648 {
649 title = ICONTITLE_Create( hwnd );
650 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
651 {
652 DestroyWindow( title );
653 return FALSE;
654 }
655 win->icon_title = title;
656 WIN_ReleasePtr( win );
657 }
658 if (!IsWindowVisible(title))
659 {
660 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
661 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
662 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
663 }
664 }
665 else if (title) ShowWindow( title, SW_HIDE );
666 }
667 return FALSE;
668 }
669
670 /*******************************************************************
671 * WINPOS_GetMinMaxInfo
672 *
673 * Get the minimized and maximized information for a window.
674 */
675 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
676 POINT *minTrack, POINT *maxTrack )
677 {
678 MINMAXINFO MinMax;
679 HMONITOR monitor;
680 INT xinc, yinc;
681 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
682 LONG adjustedStyle;
683 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
684 RECT rc;
685 WND *win;
686
687 /* Compute default values */
688
689 GetWindowRect(hwnd, &rc);
690 MinMax.ptReserved.x = rc.left;
691 MinMax.ptReserved.y = rc.top;
692
693 if ((style & WS_CAPTION) == WS_CAPTION)
694 adjustedStyle = style & ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
695 else
696 adjustedStyle = style;
697
698 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
699 AdjustWindowRectEx(&rc, adjustedStyle, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
700
701 xinc = -rc.left;
702 yinc = -rc.top;
703
704 MinMax.ptMaxSize.x = rc.right - rc.left;
705 MinMax.ptMaxSize.y = rc.bottom - rc.top;
706 if (style & (WS_DLGFRAME | WS_BORDER))
707 {
708 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
709 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
710 }
711 else
712 {
713 MinMax.ptMinTrackSize.x = 2 * xinc;
714 MinMax.ptMinTrackSize.y = 2 * yinc;
715 }
716 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
717 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
718 MinMax.ptMaxPosition.x = -xinc;
719 MinMax.ptMaxPosition.y = -yinc;
720
721 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
722 {
723 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
724 WIN_ReleasePtr( win );
725 }
726
727 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
728
729 /* if the app didn't change the values, adapt them for the current monitor */
730
731 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
732 {
733 RECT rc_work;
734 MONITORINFO mon_info;
735
736 mon_info.cbSize = sizeof(mon_info);
737 GetMonitorInfoW( monitor, &mon_info );
738
739 rc_work = mon_info.rcMonitor;
740
741 if (style & WS_MAXIMIZEBOX)
742 {
743 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
744 rc_work = mon_info.rcWork;
745 }
746
747 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
748 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
749 {
750 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
751 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
752 }
753 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
754 {
755 MinMax.ptMaxPosition.x = rc_work.left - xinc;
756 MinMax.ptMaxPosition.y = rc_work.top - yinc;
757 }
758 }
759
760 /* Some sanity checks */
761
762 TRACE("%d %d / %d %d / %d %d / %d %d\n",
763 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
764 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
765 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
766 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
767 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
768 MinMax.ptMinTrackSize.x );
769 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
770 MinMax.ptMinTrackSize.y );
771
772 if (maxSize) *maxSize = MinMax.ptMaxSize;
773 if (maxPos) *maxPos = MinMax.ptMaxPosition;
774 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
775 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
776 }
777
778
779 /***********************************************************************
780 * WINPOS_FindIconPos
781 *
782 * Find a suitable place for an iconic window.
783 */
784 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
785 {
786 RECT rect, rectParent;
787 HWND parent, child;
788 HRGN hrgn, tmp;
789 int xspacing, yspacing;
790
791 parent = GetAncestor( hwnd, GA_PARENT );
792 GetClientRect( parent, &rectParent );
793 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
794 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
795 return pt; /* The icon already has a suitable position */
796
797 xspacing = GetSystemMetrics(SM_CXICONSPACING);
798 yspacing = GetSystemMetrics(SM_CYICONSPACING);
799
800 /* Check if another icon already occupies this spot */
801 /* FIXME: this is completely inefficient */
802
803 hrgn = CreateRectRgn( 0, 0, 0, 0 );
804 tmp = CreateRectRgn( 0, 0, 0, 0 );
805 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
806 {
807 WND *childPtr;
808 if (child == hwnd) continue;
809 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
810 continue;
811 if (!(childPtr = WIN_GetPtr( child )) || childPtr == WND_OTHER_PROCESS)
812 continue;
813 SetRectRgn( tmp, childPtr->rectWindow.left, childPtr->rectWindow.top,
814 childPtr->rectWindow.right, childPtr->rectWindow.bottom );
815 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
816 WIN_ReleasePtr( childPtr );
817 }
818 DeleteObject( tmp );
819
820 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
821 {
822 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
823 {
824 rect.right = rect.left + xspacing;
825 rect.top = rect.bottom - yspacing;
826 if (!RectInRegion( hrgn, &rect ))
827 {
828 /* No window was found, so it's OK for us */
829 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
830 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
831 DeleteObject( hrgn );
832 return pt;
833 }
834 }
835 }
836 DeleteObject( hrgn );
837 pt.x = pt.y = 0;
838 return pt;
839 }
840
841
842 /***********************************************************************
843 * WINPOS_MinMaximize
844 */
845 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
846 {
847 WND *wndPtr;
848 UINT swpFlags = 0;
849 POINT size;
850 LONG old_style;
851 WINDOWPLACEMENT wpl;
852
853 TRACE("%p %u\n", hwnd, cmd );
854
855 wpl.length = sizeof(wpl);
856 GetWindowPlacement( hwnd, &wpl );
857
858 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
859 return SWP_NOSIZE | SWP_NOMOVE;
860
861 if (IsIconic( hwnd ))
862 {
863 switch (cmd)
864 {
865 case SW_SHOWMINNOACTIVE:
866 case SW_SHOWMINIMIZED:
867 case SW_FORCEMINIMIZE:
868 case SW_MINIMIZE:
869 return SWP_NOSIZE | SWP_NOMOVE;
870 }
871 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
872 swpFlags |= SWP_NOCOPYBITS;
873 }
874
875 switch( cmd )
876 {
877 case SW_SHOWMINNOACTIVE:
878 case SW_SHOWMINIMIZED:
879 case SW_FORCEMINIMIZE:
880 case SW_MINIMIZE:
881 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
882 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
883 else wndPtr->flags &= ~WIN_RESTORE_MAX;
884 WIN_ReleasePtr( wndPtr );
885
886 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
887
888 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
889
890 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
891 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
892 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
893 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
894 swpFlags |= SWP_NOCOPYBITS;
895 break;
896
897 case SW_MAXIMIZE:
898 old_style = GetWindowLongW( hwnd, GWL_STYLE );
899 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
900
901 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
902
903 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
904 if (old_style & WS_MINIMIZE) WINPOS_ShowIconTitle( hwnd, FALSE );
905
906 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
907 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
908 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
909 break;
910
911 case SW_SHOWNOACTIVATE:
912 case SW_SHOWNORMAL:
913 case SW_RESTORE:
914 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
915 if (old_style & WS_MINIMIZE)
916 {
917 BOOL restore_max;
918
919 WINPOS_ShowIconTitle( hwnd, FALSE );
920
921 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
922 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
923 WIN_ReleasePtr( wndPtr );
924 if (restore_max)
925 {
926 /* Restore to maximized position */
927 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
928 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
929 swpFlags |= SWP_STATECHANGED;
930 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
931 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
932 break;
933 }
934 }
935 else if (!(old_style & WS_MAXIMIZE)) break;
936
937 swpFlags |= SWP_STATECHANGED;
938
939 /* Restore to normal position */
940
941 *rect = wpl.rcNormalPosition;
942 break;
943 }
944
945 return swpFlags;
946 }
947
948
949 /***********************************************************************
950 * show_window
951 *
952 * Implementation of ShowWindow and ShowWindowAsync.
953 */
954 static BOOL show_window( HWND hwnd, INT cmd )
955 {
956 WND *wndPtr;
957 HWND parent;
958 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
959 BOOL wasVisible = (style & WS_VISIBLE) != 0;
960 BOOL showFlag = TRUE;
961 RECT newPos = {0, 0, 0, 0};
962 UINT swp = 0;
963
964 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
965
966 switch(cmd)
967 {
968 case SW_HIDE:
969 if (!wasVisible) return FALSE;
970 showFlag = FALSE;
971 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
972 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
973 break;
974
975 case SW_SHOWMINNOACTIVE:
976 case SW_MINIMIZE:
977 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
978 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
979 /* fall through */
980 case SW_SHOWMINIMIZED:
981 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
982 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
983 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
984 break;
985
986 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
987 if (!wasVisible) swp |= SWP_SHOWWINDOW;
988 swp |= SWP_FRAMECHANGED;
989 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
990 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
991 break;
992
993 case SW_SHOWNA:
994 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
995 if (style & WS_CHILD) swp |= SWP_NOZORDER;
996 break;
997 case SW_SHOW:
998 if (wasVisible) return TRUE;
999 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1000 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1001 break;
1002
1003 case SW_SHOWNOACTIVATE:
1004 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1005 /* fall through */
1006 case SW_RESTORE:
1007 /* fall through */
1008 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1009 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1010 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1011 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1012 {
1013 swp |= SWP_FRAMECHANGED;
1014 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1015 }
1016 else
1017 {
1018 if (wasVisible) return TRUE;
1019 swp |= SWP_NOSIZE | SWP_NOMOVE;
1020 }
1021 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1022 break;
1023 default:
1024 return wasVisible;
1025 }
1026
1027 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1028 {
1029 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1030 if (!IsWindow( hwnd )) return wasVisible;
1031 }
1032
1033 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1034
1035 parent = GetAncestor( hwnd, GA_PARENT );
1036 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1037 {
1038 /* if parent is not visible simply toggle WS_VISIBLE and return */
1039 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1040 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1041 }
1042 else
1043 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1044 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1045
1046 if (cmd == SW_HIDE)
1047 {
1048 HWND hFocus;
1049
1050 WINPOS_ShowIconTitle( hwnd, FALSE );
1051
1052 /* FIXME: This will cause the window to be activated irrespective
1053 * of whether it is owned by the same thread. Has to be done
1054 * asynchronously.
1055 */
1056
1057 if (hwnd == GetActiveWindow())
1058 WINPOS_ActivateOtherWindow(hwnd);
1059
1060 /* Revert focus to parent */
1061 hFocus = GetFocus();
1062 if (hwnd == hFocus || IsChild(hwnd, hFocus))
1063 {
1064 HWND parent = GetAncestor(hwnd, GA_PARENT);
1065 if (parent == GetDesktopWindow()) parent = 0;
1066 SetFocus(parent);
1067 }
1068 return wasVisible;
1069 }
1070
1071 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1072
1073 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1074
1075 if (wndPtr->flags & WIN_NEED_SIZE)
1076 {
1077 /* should happen only in CreateWindowEx() */
1078 int wParam = SIZE_RESTORED;
1079 RECT client = wndPtr->rectClient;
1080
1081 wndPtr->flags &= ~WIN_NEED_SIZE;
1082 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1083 else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
1084 WIN_ReleasePtr( wndPtr );
1085
1086 SendMessageW( hwnd, WM_SIZE, wParam,
1087 MAKELONG( client.right - client.left, client.bottom - client.top ));
1088 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1089 }
1090 else WIN_ReleasePtr( wndPtr );
1091
1092 /* if previous state was minimized Windows sets focus to the window */
1093 if (style & WS_MINIMIZE) SetFocus( hwnd );
1094
1095 return wasVisible;
1096 }
1097
1098
1099 /***********************************************************************
1100 * ShowWindowAsync (USER32.@)
1101 *
1102 * doesn't wait; returns immediately.
1103 * used by threads to toggle windows in other (possibly hanging) threads
1104 */
1105 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1106 {
1107 HWND full_handle;
1108
1109 if (is_broadcast(hwnd))
1110 {
1111 SetLastError( ERROR_INVALID_PARAMETER );
1112 return FALSE;
1113 }
1114
1115 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1116 return show_window( full_handle, cmd );
1117
1118 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1119 }
1120
1121
1122 /***********************************************************************
1123 * ShowWindow (USER32.@)
1124 */
1125 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1126 {
1127 HWND full_handle;
1128
1129 if (is_broadcast(hwnd))
1130 {
1131 SetLastError( ERROR_INVALID_PARAMETER );
1132 return FALSE;
1133 }
1134 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1135 return show_window( full_handle, cmd );
1136
1137 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1138 }
1139
1140
1141 /***********************************************************************
1142 * GetInternalWindowPos (USER32.@)
1143 */
1144 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1145 LPPOINT ptIcon )
1146 {
1147 WINDOWPLACEMENT wndpl;
1148 if (GetWindowPlacement( hwnd, &wndpl ))
1149 {
1150 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1151 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1152 return wndpl.showCmd;
1153 }
1154 return 0;
1155 }
1156
1157
1158 /***********************************************************************
1159 * GetWindowPlacement (USER32.@)
1160 *
1161 * Win95:
1162 * Fails if wndpl->length of Win95 (!) apps is invalid.
1163 */
1164 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1165 {
1166 WND *pWnd = WIN_GetPtr( hwnd );
1167
1168 if (!pWnd) return FALSE;
1169
1170 if (pWnd == WND_DESKTOP)
1171 {
1172 wndpl->length = sizeof(*wndpl);
1173 wndpl->showCmd = SW_SHOWNORMAL;
1174 wndpl->flags = 0;
1175 wndpl->ptMinPosition.x = -1;
1176 wndpl->ptMinPosition.y = -1;
1177 wndpl->ptMaxPosition.x = -1;
1178 wndpl->ptMaxPosition.y = -1;
1179 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1180 return TRUE;
1181 }
1182 if (pWnd == WND_OTHER_PROCESS)
1183 {
1184 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1185 return FALSE;
1186 }
1187
1188 /* update the placement according to the current style */
1189 if (pWnd->dwStyle & WS_MINIMIZE)
1190 {
1191 pWnd->min_pos.x = pWnd->rectWindow.left;
1192 pWnd->min_pos.y = pWnd->rectWindow.top;
1193 }
1194 else if (pWnd->dwStyle & WS_MAXIMIZE)
1195 {
1196 pWnd->max_pos.x = pWnd->rectWindow.left;
1197 pWnd->max_pos.y = pWnd->rectWindow.top;
1198 }
1199 else
1200 {
1201 pWnd->normal_rect = pWnd->rectWindow;
1202 }
1203
1204 wndpl->length = sizeof(*wndpl);
1205 if( pWnd->dwStyle & WS_MINIMIZE )
1206 wndpl->showCmd = SW_SHOWMINIMIZED;
1207 else
1208 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1209 if( pWnd->flags & WIN_RESTORE_MAX )
1210 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1211 else
1212 wndpl->flags = 0;
1213 wndpl->ptMinPosition = pWnd->min_pos;
1214 wndpl->ptMaxPosition = pWnd->max_pos;
1215 wndpl->rcNormalPosition = pWnd->normal_rect;
1216 WIN_ReleasePtr( pWnd );
1217
1218 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1219 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1220 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1221 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1222 return TRUE;
1223 }
1224
1225 /* make sure the specified rect is visible on screen */
1226 static void make_rect_onscreen( RECT *rect )
1227 {
1228 MONITORINFO info;
1229 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1230
1231 info.cbSize = sizeof(info);
1232 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1233 /* FIXME: map coordinates from rcWork to rcMonitor */
1234 if (rect->right <= info.rcWork.left)
1235 {
1236 rect->right += info.rcWork.left - rect->left;
1237 rect->left = info.rcWork.left;
1238 }
1239 else if (rect->left >= info.rcWork.right)
1240 {
1241 rect->left += info.rcWork.right - rect->right;
1242 rect->right = info.rcWork.right;
1243 }
1244 if (rect->bottom <= info.rcWork.top)
1245 {
1246 rect->bottom += info.rcWork.top - rect->top;
1247 rect->top = info.rcWork.top;
1248 }
1249 else if (rect->top >= info.rcWork.bottom)
1250 {
1251 rect->top += info.rcWork.bottom - rect->bottom;
1252 rect->bottom = info.rcWork.bottom;
1253 }
1254 }
1255
1256 /* make sure the specified point is visible on screen */
1257 static void make_point_onscreen( POINT *pt )
1258 {
1259 RECT rect;
1260
1261 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1262 make_rect_onscreen( &rect );
1263 pt->x = rect.left;
1264 pt->y = rect.top;
1265 }
1266
1267
1268 /***********************************************************************
1269 * WINPOS_SetPlacement
1270 */
1271 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1272 {
1273 DWORD style;
1274 WND *pWnd = WIN_GetPtr( hwnd );
1275 WINDOWPLACEMENT wp = *wndpl;
1276
1277 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1278 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1279 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1280
1281 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1282 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1283 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1284 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1285 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1286 wine_dbgstr_rect(&wp.rcNormalPosition) );
1287
1288 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1289
1290 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1291 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1292 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1293
1294 style = pWnd->dwStyle;
1295
1296 WIN_ReleasePtr( pWnd );
1297
1298 if( style & WS_MINIMIZE )
1299 {
1300 if (flags & PLACE_MIN)
1301 {
1302 WINPOS_ShowIconTitle( hwnd, FALSE );
1303 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1304 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1305 }
1306 }
1307 else if( style & WS_MAXIMIZE )
1308 {
1309 if (flags & PLACE_MAX)
1310 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1311 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1312 }
1313 else if( flags & PLACE_RECT )
1314 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1315 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1316 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1317 SWP_NOZORDER | SWP_NOACTIVATE );
1318
1319 ShowWindow( hwnd, wndpl->showCmd );
1320
1321 if (IsIconic( hwnd ))
1322 {
1323 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1324
1325 /* SDK: ...valid only the next time... */
1326 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1327 {
1328 pWnd = WIN_GetPtr( hwnd );
1329 if (pWnd && pWnd != WND_OTHER_PROCESS)
1330 {
1331 pWnd->flags |= WIN_RESTORE_MAX;
1332 WIN_ReleasePtr( pWnd );
1333 }
1334 }
1335 }
1336 return TRUE;
1337 }
1338
1339
1340 /***********************************************************************
1341 * SetWindowPlacement (USER32.@)
1342 *
1343 * Win95:
1344 * Fails if wndpl->length of Win95 (!) apps is invalid.
1345 */
1346 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1347 {
1348 UINT flags = PLACE_MAX | PLACE_RECT;
1349 if (!wpl) return FALSE;
1350 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1351 return WINPOS_SetPlacement( hwnd, wpl, flags );
1352 }
1353
1354
1355 /***********************************************************************
1356 * AnimateWindow (USER32.@)
1357 * Shows/Hides a window with an animation
1358 * NO ANIMATION YET
1359 */
1360 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1361 {
1362 FIXME("partial stub\n");
1363
1364 /* If trying to show/hide and it's already *
1365 * shown/hidden or invalid window, fail with *
1366 * invalid parameter */
1367 if(!IsWindow(hwnd) ||
1368 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1369 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1370 {
1371 SetLastError(ERROR_INVALID_PARAMETER);
1372 return FALSE;
1373 }
1374
1375 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1376
1377 return TRUE;
1378 }
1379
1380 /***********************************************************************
1381 * SetInternalWindowPos (USER32.@)
1382 */
1383 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1384 LPRECT rect, LPPOINT pt )
1385 {
1386 WINDOWPLACEMENT wndpl;
1387 UINT flags;
1388
1389 wndpl.length = sizeof(wndpl);
1390 wndpl.showCmd = showCmd;
1391 wndpl.flags = flags = 0;
1392
1393 if( pt )
1394 {
1395 flags |= PLACE_MIN;
1396 wndpl.flags |= WPF_SETMINPOSITION;
1397 wndpl.ptMinPosition = *pt;
1398 }
1399 if( rect )
1400 {
1401 flags |= PLACE_RECT;
1402 wndpl.rcNormalPosition = *rect;
1403 }
1404 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1405 }
1406
1407
1408 /*******************************************************************
1409 * can_activate_window
1410 *
1411 * Check if we can activate the specified window.
1412 */
1413 static BOOL can_activate_window( HWND hwnd )
1414 {
1415 LONG style;
1416
1417 if (!hwnd) return FALSE;
1418 style = GetWindowLongW( hwnd, GWL_STYLE );
1419 if (!(style & WS_VISIBLE)) return FALSE;
1420 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1421 return !(style & WS_DISABLED);
1422 }
1423
1424
1425 /*******************************************************************
1426 * WINPOS_ActivateOtherWindow
1427 *
1428 * Activates window other than pWnd.
1429 */
1430 void WINPOS_ActivateOtherWindow(HWND hwnd)
1431 {
1432 HWND hwndTo, fg;
1433
1434 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1435 {
1436 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1437 if (can_activate_window( hwndTo )) goto done;
1438 }
1439
1440 hwndTo = hwnd;
1441 for (;;)
1442 {
1443 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1444 if (can_activate_window( hwndTo )) break;
1445 }
1446
1447 done:
1448 fg = GetForegroundWindow();
1449 TRACE("win = %p fg = %p\n", hwndTo, fg);
1450 if (!fg || (hwnd == fg))
1451 {
1452 if (SetForegroundWindow( hwndTo )) return;
1453 }
1454 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1455 }
1456
1457
1458 /***********************************************************************
1459 * WINPOS_HandleWindowPosChanging
1460 *
1461 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1462 */
1463 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1464 {
1465 POINT minTrack, maxTrack;
1466 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1467
1468 if (winpos->flags & SWP_NOSIZE) return 0;
1469 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1470 {
1471 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1472 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1473 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1474 if (!(style & WS_MINIMIZE))
1475 {
1476 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1477 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1478 }
1479 }
1480 return 0;
1481 }
1482
1483
1484 /***********************************************************************
1485 * dump_winpos_flags
1486 */
1487 static void dump_winpos_flags(UINT flags)
1488 {
1489 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1490 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1491 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1492 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1493 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1494 TRACE("flags:");
1495 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1496 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1497 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1498 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1499 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1500 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1501 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1502 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1503 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1504 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1505 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1506 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1507 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1508 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1509 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1510 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1511
1512 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1513 TRACE("\n");
1514 }
1515
1516 /***********************************************************************
1517 * SWP_DoWinPosChanging
1518 */
1519 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1520 {
1521 WND *wndPtr;
1522
1523 /* Send WM_WINDOWPOSCHANGING message */
1524
1525 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1526 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1527
1528 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1529 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1530
1531 /* Calculate new position and size */
1532
1533 *pNewWindowRect = wndPtr->rectWindow;
1534 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1535 : wndPtr->rectClient;
1536
1537 if (!(pWinpos->flags & SWP_NOSIZE))
1538 {
1539 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1540 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1541 }
1542 if (!(pWinpos->flags & SWP_NOMOVE))
1543 {
1544 pNewWindowRect->left = pWinpos->x;
1545 pNewWindowRect->top = pWinpos->y;
1546 pNewWindowRect->right += pWinpos->x - wndPtr->rectWindow.left;
1547 pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1548
1549 OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1550 pWinpos->y - wndPtr->rectWindow.top );
1551 }
1552 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1553
1554 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1555 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1556 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1557 TRACE( "current %s style %08x new %s\n",
1558 wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1559 wine_dbgstr_rect( pNewWindowRect ));
1560
1561 WIN_ReleasePtr( wndPtr );
1562 return TRUE;
1563 }
1564
1565 /***********************************************************************
1566 * get_valid_rects
1567 *
1568 * Compute the valid rects from the old and new client rect and WVR_* flags.
1569 * Helper for WM_NCCALCSIZE handling.
1570 */
1571 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1572 RECT *valid )
1573 {
1574 int cx, cy;
1575
1576 if (flags & WVR_REDRAW)
1577 {
1578 SetRectEmpty( &valid[0] );
1579 SetRectEmpty( &valid[1] );
1580 return;
1581 }
1582
1583 if (flags & WVR_VALIDRECTS)
1584 {
1585 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1586 !IntersectRect( &valid[1], &valid[1], old_client ))
1587 {
1588 SetRectEmpty( &valid[0] );
1589 SetRectEmpty( &valid[1] );
1590 return;
1591 }
1592 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1593 }
1594 else
1595 {
1596 valid[0] = *new_client;
1597 valid[1] = *old_client;
1598 }
1599
1600 /* make sure the rectangles have the same size */
1601 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1602 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1603
1604 if (flags & WVR_ALIGNBOTTOM)
1605 {
1606 valid[0].top = valid[0].bottom - cy;
1607 valid[1].top = valid[1].bottom - cy;
1608 }
1609 else
1610 {
1611 valid[0].bottom = valid[0].top + cy;
1612 valid[1].bottom = valid[1].top + cy;
1613 }
1614 if (flags & WVR_ALIGNRIGHT)
1615 {
1616 valid[0].left = valid[0].right - cx;
1617 valid[1].left = valid[1].right - cx;
1618 }
1619 else
1620 {
1621 valid[0].right = valid[0].left + cx;
1622 valid[1].right = valid[1].left + cx;
1623 }
1624 }
1625
1626
1627 /***********************************************************************
1628 * SWP_DoOwnedPopups
1629 *
1630 * fix Z order taking into account owned popups -
1631 * basically we need to maintain them above the window that owns them
1632 *
1633 * FIXME: hide/show owned popups when owner visibility changes.
1634 */
1635 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1636 {
1637 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1638 HWND owner, *list = NULL;
1639 unsigned int i;
1640
1641 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1642
1643 if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1644 {
1645 /* make sure this popup stays above the owner */
1646
1647 if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
1648 {
1649 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1650
1651 for (i = 0; list[i]; i++)
1652 {
1653 if (list[i] == owner)
1654 {
1655 if (i > 0) hwndInsertAfter = list[i-1];
1656 else hwndInsertAfter = HWND_TOP;
1657 break;
1658 }
1659
1660 if (hwndInsertAfter == HWND_NOTOPMOST)
1661 {
1662 if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
1663 }
1664 else if (list[i] == hwndInsertAfter) break;
1665 }
1666 }
1667 }
1668 else if (style & WS_CHILD) return hwndInsertAfter;
1669
1670 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1671 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1672
1673 i = 0;
1674 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1675 {
1676 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1677 {
1678 /* skip all the topmost windows */
1679 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1680 }
1681 }
1682 else if (hwndInsertAfter != HWND_TOPMOST)
1683 {
1684 /* skip windows that are already placed correctly */
1685 for (i = 0; list[i]; i++)
1686 {
1687 if (list[i] == hwndInsertAfter) break;
1688 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1689 }
1690 }
1691
1692 for ( ; list[i]; i++)
1693 {
1694 if (list[i] == hwnd) break;
1695 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1696 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1697 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1698 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1699 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1700 hwndInsertAfter = list[i];
1701 }
1702
1703 done:
1704 HeapFree( GetProcessHeap(), 0, list );
1705 return hwndInsertAfter;
1706 }
1707
1708 /***********************************************************************
1709 * SWP_DoNCCalcSize
1710 */
1711 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1712 RECT *validRects )
1713 {
1714 UINT wvrFlags = 0;
1715 WND *wndPtr;
1716
1717 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1718
1719 /* Send WM_NCCALCSIZE message to get new client area */
1720 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1721 {
1722 NCCALCSIZE_PARAMS params;
1723 WINDOWPOS winposCopy;
1724
1725 params.rgrc[0] = *pNewWindowRect;
1726 params.rgrc[1] = wndPtr->rectWindow;
1727 params.rgrc[2] = wndPtr->rectClient;
1728 params.lppos = &winposCopy;
1729 winposCopy = *pWinpos;
1730 WIN_ReleasePtr( wndPtr );
1731
1732 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1733
1734 *pNewClientRect = params.rgrc[0];
1735
1736 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1737
1738 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1739 wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1740 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1741
1742 if( pNewClientRect->left != wndPtr->rectClient.left ||
1743 pNewClientRect->top != wndPtr->rectClient.top )
1744 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1745
1746 if( (pNewClientRect->right - pNewClientRect->left !=
1747 wndPtr->rectClient.right - wndPtr->rectClient.left))
1748 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1749 else
1750 wvrFlags &= ~WVR_HREDRAW;
1751
1752 if (pNewClientRect->bottom - pNewClientRect->top !=
1753 wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1754 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1755 else
1756 wvrFlags &= ~WVR_VREDRAW;
1757
1758 validRects[0] = params.rgrc[1];
1759 validRects[1] = params.rgrc[2];
1760 }
1761 else
1762 {
1763 if (!(pWinpos->flags & SWP_NOMOVE) &&
1764 (pNewClientRect->left != wndPtr->rectClient.left ||
1765 pNewClientRect->top != wndPtr->rectClient.top))
1766 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1767 }
1768
1769 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1770 {
1771 SetRectEmpty( &validRects[0] );
1772 SetRectEmpty( &validRects[1] );
1773 }
1774 else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1775
1776 WIN_ReleasePtr( wndPtr );
1777 return wvrFlags;
1778 }
1779
1780 /* fix redundant flags and values in the WINDOWPOS structure */
1781 static BOOL fixup_flags( WINDOWPOS *winpos )
1782 {
1783 HWND parent;
1784 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1785 BOOL ret = TRUE;
1786
1787 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1788 {
1789 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1790 return FALSE;
1791 }
1792 winpos->hwnd = wndPtr->hwndSelf; /* make it a full handle */
1793
1794 /* Finally make sure that all coordinates are valid */
1795 if (winpos->x < -32768) winpos->x = -32768;
1796 else if (winpos->x > 32767) winpos->x = 32767;
1797 if (winpos->y < -32768) winpos->y = -32768;
1798 else if (winpos->y > 32767) winpos->y = 32767;
1799
1800 if (winpos->cx < 0) winpos->cx = 0;
1801 else if (winpos->cx > 32767) winpos->cx = 32767;
1802 if (winpos->cy < 0) winpos->cy = 0;
1803 else if (winpos->cy > 32767) winpos->cy = 32767;
1804
1805 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1806 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1807
1808 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1809 else
1810 {
1811 winpos->flags &= ~SWP_HIDEWINDOW;
1812 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1813 }
1814
1815 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1816 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1817 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1818
1819 if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1820 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1821
1822 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1823 {
1824 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1825 (winpos->flags & SWP_NOZORDER ||
1826 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1827 {
1828 winpos->flags &= ~SWP_NOZORDER;
1829 winpos->hwndInsertAfter = HWND_TOP;
1830 }
1831 }
1832
1833 /* Check hwndInsertAfter */
1834 if (winpos->flags & SWP_NOZORDER) goto done;
1835
1836 /* fix sign extension */
1837 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1838 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1839
1840 /* hwndInsertAfter must be a sibling of the window */
1841 if (winpos->hwndInsertAfter == HWND_TOP)
1842 {
1843 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1844 winpos->flags |= SWP_NOZORDER;
1845 }
1846 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1847 {
1848 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1849 winpos->flags |= SWP_NOZORDER;
1850 }
1851 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1852 {
1853 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1854 winpos->flags |= SWP_NOZORDER;
1855 }
1856 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1857 {
1858 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1859 winpos->flags |= SWP_NOZORDER;
1860 }
1861 else
1862 {
1863 if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1864 else
1865 {
1866 /* don't need to change the Zorder of hwnd if it's already inserted
1867 * after hwndInsertAfter or when inserting hwnd after itself.
1868 */
1869 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1870 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1871 winpos->flags |= SWP_NOZORDER;
1872 }
1873 }
1874 done:
1875 WIN_ReleasePtr( wndPtr );
1876 return ret;
1877 }
1878
1879
1880 /***********************************************************************
1881 * set_window_pos
1882 *
1883 * Backend implementation of SetWindowPos.
1884 */
1885 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1886 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1887 {
1888 WND *win;
1889 BOOL ret;
1890 RECT visible_rect, old_window_rect;
1891
1892 visible_rect = *window_rect;
1893 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
1894 window_rect, client_rect, &visible_rect );
1895
1896 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1897 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1898
1899 old_window_rect = win->rectWindow;
1900 SERVER_START_REQ( set_window_pos )
1901 {
1902 req->handle = wine_server_user_handle( hwnd );
1903 req->previous = wine_server_user_handle( insert_after );
1904 req->flags = swp_flags;
1905 req->window.left = window_rect->left;
1906 req->window.top = window_rect->top;
1907 req->window.right = window_rect->right;
1908 req->window.bottom = window_rect->bottom;
1909 req->client.left = client_rect->left;
1910 req->client.top = client_rect->top;
1911 req->client.right = client_rect->right;
1912 req->client.bottom = client_rect->bottom;
1913 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
1914 {
1915 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
1916 if (!IsRectEmpty( &valid_rects[0] ))
1917 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1918 }
1919 if ((ret = !wine_server_call( req )))
1920 {
1921 win->dwStyle = reply->new_style;
1922 win->dwExStyle = reply->new_ex_style;
1923 win->rectWindow = *window_rect;
1924 win->rectClient = *client_rect;
1925 }
1926 }
1927 SERVER_END_REQ;
1928 WIN_ReleasePtr( win );
1929
1930 if (ret)
1931 {
1932 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
1933 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
1934 invalidate_dce( hwnd, &old_window_rect );
1935
1936 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
1937 client_rect, &visible_rect, valid_rects );
1938 }
1939 return ret;
1940 }
1941
1942
1943 /***********************************************************************
1944 * USER_SetWindowPos
1945 *
1946 * User32 internal function
1947 */
1948 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1949 {
1950 RECT newWindowRect, newClientRect, valid_rects[2];
1951 UINT orig_flags;
1952
1953 orig_flags = winpos->flags;
1954
1955 /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1956 if (!(winpos->flags & SWP_NOMOVE))
1957 {
1958 if (winpos->x < -32768) winpos->x = -32768;
1959 else if (winpos->x > 32767) winpos->x = 32767;
1960 if (winpos->y < -32768) winpos->y = -32768;
1961 else if (winpos->y > 32767) winpos->y = 32767;
1962 }
1963 if (!(winpos->flags & SWP_NOSIZE))
1964 {
1965 if (winpos->cx < 0) winpos->cx = 0;
1966 else if (winpos->cx > 32767) winpos->cx = 32767;
1967 if (winpos->cy < 0) winpos->cy = 0;
1968 else if (winpos->cy > 32767) winpos->cy = 32767;
1969 }
1970
1971 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1972
1973 /* Fix redundant flags */
1974 if (!fixup_flags( winpos )) return FALSE;
1975
1976 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1977 {
1978 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1979 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1980 }
1981
1982 /* Common operations */
1983
1984 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1985
1986 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
1987 &newWindowRect, &newClientRect, valid_rects ))
1988 return FALSE;
1989
1990 /* erase parent when hiding or resizing child */
1991 if (!(orig_flags & SWP_DEFERERASE) &&
1992 ((orig_flags & SWP_HIDEWINDOW) ||
1993 (!(orig_flags & SWP_SHOWWINDOW) &&
1994 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1995 {
1996 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1997 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1998 erase_now( parent, 0 );
1999 }
2000
2001 if( winpos->flags & SWP_HIDEWINDOW )
2002 HideCaret(winpos->hwnd);
2003 else if (winpos->flags & SWP_SHOWWINDOW)
2004 ShowCaret(winpos->hwnd);
2005
2006 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2007 {
2008 /* child windows get WM_CHILDACTIVATE message */
2009 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2010 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2011 else
2012 SetForegroundWindow( winpos->hwnd );
2013 }
2014
2015 /* And last, send the WM_WINDOWPOSCHANGED message */
2016
2017 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2018
2019 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2020 {
2021 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2022 and always contains final window position.
2023 */
2024 winpos->x = newWindowRect.left;
2025 winpos->y = newWindowRect.top;
2026 winpos->cx = newWindowRect.right - newWindowRect.left;
2027 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2028 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2029 }
2030 return TRUE;
2031 }
2032
2033 /***********************************************************************
2034 * SetWindowPos (USER32.@)
2035 */
2036 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2037 INT x, INT y, INT cx, INT cy, UINT flags )
2038 {
2039 WINDOWPOS winpos;
2040
2041 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2042 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2043 if(TRACE_ON(win)) dump_winpos_flags(flags);
2044
2045 if (is_broadcast(hwnd))
2046 {
2047 SetLastError( ERROR_INVALID_PARAMETER );
2048 return FALSE;
2049 }
2050
2051 winpos.hwnd = WIN_GetFullHandle(hwnd);
2052 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2053 winpos.x = x;
2054 winpos.y = y;
2055 winpos.cx = cx;
2056 winpos.cy = cy;
2057 winpos.flags = flags;
2058
2059 if (WIN_IsCurrentThread( hwnd ))
2060 return USER_SetWindowPos(&winpos);
2061
2062 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2063 }
2064
2065
2066 /***********************************************************************
2067 * BeginDeferWindowPos (USER32.@)
2068 */
2069 HDWP WINAPI BeginDeferWindowPos( INT count )
2070 {
2071 HDWP handle;
2072 DWP *pDWP;
2073
2074 TRACE("%d\n", count);
2075
2076 if (count < 0)
2077 {
2078 SetLastError(ERROR_INVALID_PARAMETER);
2079 return 0;
2080 }
2081 /* Windows allows zero count, in which case it allocates context for 8 moves */
2082 if (count == 0) count = 8;
2083
2084 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
2085 if (!handle) return 0;
2086 pDWP = USER_HEAP_LIN_ADDR( handle );
2087 pDWP->actualCount = 0;
2088 pDWP->suggestedCount = count;
2089 pDWP->valid = TRUE;
2090 pDWP->wMagic = DWP_MAGIC;
2091 pDWP->hwndParent = 0;
2092
2093 TRACE("returning hdwp %p\n", handle);
2094 return handle;
2095 }
2096
2097
2098 /***********************************************************************
2099 * DeferWindowPos (USER32.@)
2100 */
2101 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2102 INT x, INT y, INT cx, INT cy,
2103 UINT flags )
2104 {
2105 DWP *pDWP;
2106 int i;
2107 HDWP newhdwp = hdwp,retvalue;
2108
2109 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2110 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2111
2112 hwnd = WIN_GetFullHandle( hwnd );
2113 if (is_desktop_window( hwnd )) return 0;
2114
2115 if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
2116
2117 USER_Lock();
2118
2119 for (i = 0; i < pDWP->actualCount; i++)
2120 {
2121 if (pDWP->winPos[i].hwnd == hwnd)
2122 {
2123 /* Merge with the other changes */
2124 if (!(flags & SWP_NOZORDER))
2125 {
2126 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2127 }
2128 if (!(flags & SWP_NOMOVE))
2129 {
2130 pDWP->winPos[i].x = x;
2131 pDWP->winPos[i].y = y;
2132 }
2133 if (!(flags & SWP_NOSIZE))
2134 {
2135 pDWP->winPos[i].cx = cx;
2136 pDWP->winPos[i].cy = cy;
2137 }
2138 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2139 SWP_NOZORDER | SWP_NOREDRAW |
2140 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2141 SWP_NOOWNERZORDER);
2142 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2143 SWP_FRAMECHANGED);
2144 retvalue = hdwp;
2145 goto END;
2146 }
2147 }
2148 if (pDWP->actualCount >= pDWP->suggestedCount)
2149 {
2150 newhdwp = USER_HEAP_REALLOC( hdwp,
2151 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
2152 if (!newhdwp)
2153 {
2154 retvalue = 0;
2155 goto END;
2156 }
2157 pDWP = USER_HEAP_LIN_ADDR( newhdwp );
2158 pDWP->suggestedCount++;
2159 }
2160 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2161 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2162 pDWP->winPos[pDWP->actualCount].x = x;
2163 pDWP->winPos[pDWP->actualCount].y = y;
2164 pDWP->winPos[pDWP->actualCount].cx = cx;
2165 pDWP->winPos[pDWP->actualCount].cy = cy;
2166 pDWP->winPos[pDWP->actualCount].flags = flags;
2167 pDWP->actualCount++;
2168 retvalue = newhdwp;
2169 END:
2170 USER_Unlock();
2171 return retvalue;
2172 }
2173
2174
2175 /***********************************************************************
2176 * EndDeferWindowPos (USER32.@)
2177 */
2178 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2179 {
2180 DWP *pDWP;
2181 WINDOWPOS *winpos;
2182 BOOL res = TRUE;
2183 int i;
2184
2185 TRACE("%p\n", hdwp);
2186
2187 pDWP = USER_HEAP_LIN_ADDR( hdwp );
2188 if (!pDWP) return FALSE;
2189 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2190 {
2191 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2192 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2193 winpos->cx, winpos->cy, winpos->flags);
2194
2195 if (WIN_IsCurrentThread( winpos->hwnd ))
2196 res = USER_SetWindowPos( winpos );
2197 else
2198 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2199 }
2200 USER_HEAP_FREE( hdwp );
2201 return res;
2202 }
2203
2204
2205 /***********************************************************************
2206 * ArrangeIconicWindows (USER32.@)
2207 */
2208 UINT WINAPI ArrangeIconicWindows( HWND parent )
2209 {
2210 RECT rectParent;
2211 HWND hwndChild;
2212 INT x, y, xspacing, yspacing;
2213
2214 GetClientRect( parent, &rectParent );
2215 x = rectParent.left;
2216 y = rectParent.bottom;
2217 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2218 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2219
2220 hwndChild = GetWindow( parent, GW_CHILD );
2221 while (hwndChild)
2222 {
2223 if( IsIconic( hwndChild ) )
2224 {
2225 WINPOS_ShowIconTitle( hwndChild, FALSE );
2226
2227 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2228 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2229 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2230 if( IsWindow(hwndChild) )
2231 WINPOS_ShowIconTitle(hwndChild , TRUE );
2232
2233 if (x <= rectParent.right - xspacing) x += xspacing;
2234 else
2235 {
2236 x = rectParent.left;
2237 y -= yspacing;
2238 }
2239 }
2240 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2241 }
2242 return yspacing;
2243 }
2244
2245
2246 /***********************************************************************
2247 * draw_moving_frame
2248 *
2249 * Draw the frame used when moving or resizing window.
2250 */
2251 static void draw_moving_frame( HDC hdc, RECT *rect, BOOL thickframe )
2252 {
2253 if (thickframe)
2254 {
2255 const int width = GetSystemMetrics(SM_CXFRAME);
2256 const int height = GetSystemMetrics(SM_CYFRAME);
2257
2258 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2259 PatBlt( hdc, rect->left, rect->top,
2260 rect->right - rect->left - width, height, PATINVERT );
2261 PatBlt( hdc, rect->left, rect->top + height, width,
2262 rect->bottom - rect->top - height, PATINVERT );
2263 PatBlt( hdc, rect->left + width, rect->bottom - 1,
2264 rect->right - rect->left - width, -height, PATINVERT );
2265 PatBlt( hdc, rect->right - 1, rect->top, -width,
2266 rect->bottom - rect->top - height, PATINVERT );
2267 SelectObject( hdc, hbrush );
2268 }
2269 else DrawFocusRect( hdc, rect );
2270 }
2271
2272
2273 /***********************************************************************
2274 * start_size_move
2275 *
2276 * Initialization of a move or resize, when initiated from a menu choice.
2277 * Return hit test code for caption or sizing border.
2278 */
2279 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2280 {
2281 LONG hittest = 0;
2282 POINT pt;
2283 MSG msg;
2284 RECT rectWindow;
2285
2286 GetWindowRect( hwnd, &rectWindow );
2287
2288 if ((wParam & 0xfff0) == SC_MOVE)
2289 {
2290 /* Move pointer at the center of the caption */
2291 RECT rect = rectWindow;
2292 /* Note: to be exactly centered we should take the different types
2293 * of border into account, but it shouldn't make more than a few pixels
2294 * of difference so let's not bother with that */
2295 rect.top += GetSystemMetrics(SM_CYBORDER);
2296 if (style & WS_SYSMENU)
2297 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2298 if (style & WS_MINIMIZEBOX)
2299 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2300 if (style & WS_MAXIMIZEBOX)
2301 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2302 pt.x = (rect.right + rect.left) / 2;
2303 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2304 hittest = HTCAPTION;
2305 *capturePoint = pt;
2306 }
2307 else /* SC_SIZE */
2308 {
2309 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2310 pt.x = pt.y = 0;
2311 while(!hittest)
2312 {
2313 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2314 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2315
2316 switch(msg.message)
2317 {
2318 case WM_MOUSEMOVE:
2319 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2320 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2321 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2322 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2323 break;
2324
2325 case WM_LBUTTONUP:
2326 return 0;
2327
2328 case WM_KEYDOWN:
2329 switch(msg.wParam)
2330 {
2331 case VK_UP:
2332 hittest = HTTOP;
2333 pt.x =(rectWindow.left+rectWindow.right)/2;
2334 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2335 break;
2336 case VK_DOWN:
2337 hittest = HTBOTTOM;
2338 pt.x =(rectWindow.left+rectWindow.right)/2;
2339 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2340 break;
2341 case VK_LEFT:
2342 hittest = HTLEFT;
2343 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2344 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2345 break;
2346 case VK_RIGHT:
2347 hittest = HTRIGHT;
2348 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2349 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2350 break;
2351 case VK_RETURN:
2352 case VK_ESCAPE:
2353 return 0;
2354 }
2355 break;
2356 default:
2357 TranslateMessage( &msg );
2358 DispatchMessageW( &msg );
2359 break;
2360 }
2361 }
2362 *capturePoint = pt;
2363 }
2364 SetCursorPos( pt.x, pt.y );
2365 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2366 return hittest;
2367 }
2368
2369
2370 /***********************************************************************
2371 * WINPOS_SysCommandSizeMove
2372 *
2373 * Perform SC_MOVE and SC_SIZE commands.
2374 */
2375 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2376 {
2377 MSG msg;
2378 RECT sizingRect, mouseRect, origRect;
2379 HDC hdc;
2380 HWND parent;
2381 LONG hittest = (LONG)(wParam & 0x0f);
2382 WPARAM syscommand = wParam & 0xfff0;
2383 HCURSOR hDragCursor = 0, hOldCursor = 0;
2384 POINT minTrack, maxTrack;
2385 POINT capturePoint, pt;
2386 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2387 BOOL thickframe = HAS_THICKFRAME( style );
2388 BOOL iconic = style & WS_MINIMIZE;
2389 BOOL moved = FALSE;
2390 DWORD dwPoint = GetMessagePos ();
2391 BOOL DragFullWindows = TRUE;
2392
2393 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2394
2395 pt.x = (short)LOWORD(dwPoint);
2396 pt.y = (short)HIWORD(dwPoint);
2397 capturePoint = pt;
2398
2399 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2400 hwnd, syscommand, hittest, pt.x, pt.y);
2401
2402 if (syscommand == SC_MOVE)
2403 {
2404 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2405 if (!hittest) return;
2406 }
2407 else /* SC_SIZE */
2408 {
2409 if ( hittest && (syscommand != SC_MOUSEMENU) )
2410 hittest += (HTLEFT - WMSZ_LEFT);
2411 else
2412 {
2413 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2414 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2415 if (!hittest)
2416 {
2417 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2418 return;
2419 }
2420 }
2421 }
2422
2423 /* Get min/max info */
2424
2425 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2426 GetWindowRect( hwnd, &sizingRect );
2427 if (style & WS_CHILD)
2428 {
2429 parent = GetParent(hwnd);
2430 /* make sizing rect relative to parent */
2431 MapWindowPoints( 0, parent, (POINT*)&sizingRect, 2 );
2432 GetClientRect( parent, &mouseRect );
2433 }
2434 else
2435 {
2436 parent = 0;
2437 GetClientRect( GetDesktopWindow(), &mouseRect );
2438 mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
2439 mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
2440 mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
2441 mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
2442 }
2443 origRect = sizingRect;
2444
2445 if (ON_LEFT_BORDER(hittest))
2446 {
2447 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2448 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2449 }
2450 else if (ON_RIGHT_BORDER(hittest))
2451 {
2452 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2453 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2454 }
2455 if (ON_TOP_BORDER(hittest))
2456 {
2457 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2458 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2459 }
2460 else if (ON_BOTTOM_BORDER(hittest))
2461 {
2462 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2463 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2464 }
2465 if (parent) MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2466
2467 /* Retrieve a default cache DC (without using the window style) */
2468 hdc = GetDCEx( parent, 0, DCX_CACHE );
2469
2470 if( iconic ) /* create a cursor for dragging */
2471 {
2472 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2473 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2474 if( !hDragCursor ) iconic = FALSE;
2475 }
2476
2477 /* we only allow disabling the full window drag for child windows */
2478 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2479
2480 /* repaint the window before moving it around */
2481 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2482
2483 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2484 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2485
2486 while(1)
2487 {
2488 int dx = 0, dy = 0;
2489
2490 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2491 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2492
2493 /* Exit on button-up, Return, or Esc */
2494 if ((msg.message == WM_LBUTTONUP) ||
2495 ((msg.message == WM_KEYDOWN) &&
2496 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2497
2498 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2499 {
2500 TranslateMessage( &msg );
2501 DispatchMessageW( &msg );
2502 continue; /* We are not interested in other messages */
2503 }
2504
2505 pt = msg.pt;
2506
2507 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2508 {
2509 case VK_UP: pt.y -= 8; break;
2510 case VK_DOWN: pt.y += 8; break;
2511 case VK_LEFT: pt.x -= 8; break;
2512 case VK_RIGHT: pt.x += 8; break;
2513 }
2514
2515 pt.x = max( pt.x, mouseRect.left );
2516 pt.x = min( pt.x, mouseRect.right );
2517 pt.y = max( pt.y, mouseRect.top );
2518 pt.y = min( pt.y, mouseRect.bottom );
2519
2520 dx = pt.x - capturePoint.x;
2521 dy = pt.y - capturePoint.y;
2522
2523 if (dx || dy)
2524 {
2525 if( !moved )
2526 {
2527 moved = TRUE;
2528
2529 if( iconic ) /* ok, no system popup tracking */
2530 {
2531 hOldCursor = SetCursor(hDragCursor);
2532 ShowCursor( TRUE );
2533 WINPOS_ShowIconTitle( hwnd, FALSE );
2534 }
2535 else if(!DragFullWindows)
2536 draw_moving_frame( hdc, &sizingRect, thickframe );
2537 }
2538
2539 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2540 else
2541 {
2542 RECT newRect = sizingRect;
2543 WPARAM wpSizingHit = 0;
2544
2545 if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
2546 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
2547 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
2548 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
2549 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
2550 if(!iconic && !DragFullWindows) draw_moving_frame( hdc, &sizingRect, thickframe );
2551 capturePoint = pt;
2552
2553 /* determine the hit location */
2554 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2555 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2556 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
2557
2558 if (!iconic)
2559 {
2560 if(!DragFullWindows)
2561 draw_moving_frame( hdc, &newRect, thickframe );
2562 else
2563 SetWindowPos( hwnd, 0, newRect.left, newRect.top,
2564 newRect.right - newRect.left,
2565 newRect.bottom - newRect.top,
2566 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2567 }
2568 sizingRect = newRect;
2569 }
2570 }
2571 }
2572
2573 if( iconic )
2574 {
2575 if( moved ) /* restore cursors, show icon title later on */
2576 {
2577 ShowCursor( FALSE );
2578 SetCursor( hOldCursor );
2579 }
2580 }
2581 else if (moved && !DragFullWindows)
2582 {
2583 draw_moving_frame( hdc, &sizingRect, thickframe );
2584 }
2585
2586 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2587 ReleaseDC( parent, hdc );
2588
2589 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2590 moved = FALSE;
2591
2592 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2593 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2594
2595 /* window moved or resized */
2596 if (moved)
2597 {
2598 /* if the moving/resizing isn't canceled call SetWindowPos
2599 * with the new position or the new size of the window
2600 */
2601 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2602 {
2603 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2604 if(!DragFullWindows || iconic)
2605 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2606 sizingRect.right - sizingRect.left,
2607 sizingRect.bottom - sizingRect.top,
2608 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2609 }
2610 else
2611 { /* restore previous size/position */
2612 if(DragFullWindows)
2613 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2614 origRect.right - origRect.left,
2615 origRect.bottom - origRect.top,
2616 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2617 }
2618 }
2619
2620 if (IsIconic(hwnd))
2621 {
2622 /* Single click brings up the system menu when iconized */
2623
2624 if( !moved )
2625 {
2626 if(style & WS_SYSMENU )
2627 SendMessageW( hwnd, WM_SYSCOMMAND,
2628 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2629 }
2630 else WINPOS_ShowIconTitle( hwnd, TRUE );
2631 }
2632 }
useful hacks and other patches not (yet) suitable for mainline