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gdiplus: Let GdipDrawArcI use float args version.
[wine.git] / dlls / user32 / winpos.c
blobb32538467b20da2c3b84176ba03f94c385d4cf0f
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 = 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 = 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 = 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 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 = hwnd;
273 req->x = pt.x;
274 req->y = pt.y;
275 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
276 if (!wine_server_call( req )) count = reply->count;
277 }
278 SERVER_END_REQ;
279 if (count && count < size)
280 {
281 list[count] = 0;
282 return list;
283 }
284 HeapFree( GetProcessHeap(), 0, list );
285 if (!count) break;
286 size = count + 1; /* restart with a large enough buffer */
287 }
288 return NULL;
289 }
290
291
292 /***********************************************************************
293 * WINPOS_WindowFromPoint
294 *
295 * Find the window and hittest for a given point.
296 */
297 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
298 {
299 int i, res;
300 HWND ret, *list;
301
302 if (!hwndScope) hwndScope = GetDesktopWindow();
303
304 *hittest = HTNOWHERE;
305
306 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
307
308 /* now determine the hittest */
309
310 for (i = 0; list[i]; i++)
311 {
312 LONG style = GetWindowLongW( list[i], GWL_STYLE );
313
314 /* If window is minimized or disabled, return at once */
315 if (style & WS_MINIMIZE)
316 {
317 *hittest = HTCAPTION;
318 break;
319 }
320 if (style & WS_DISABLED)
321 {
322 *hittest = HTERROR;
323 break;
324 }
325 /* Send WM_NCCHITTEST (if same thread) */
326 if (!WIN_IsCurrentThread( list[i] ))
327 {
328 *hittest = HTCLIENT;
329 break;
330 }
331 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
332 if (res != HTTRANSPARENT)
333 {
334 *hittest = res; /* Found the window */
335 break;
336 }
337 /* continue search with next window in z-order */
338 }
339 ret = list[i];
340 HeapFree( GetProcessHeap(), 0, list );
341 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
342 return ret;
343 }
344
345
346 /*******************************************************************
347 * WindowFromPoint (USER32.@)
348 */
349 HWND WINAPI WindowFromPoint( POINT pt )
350 {
351 INT hittest;
352 return WINPOS_WindowFromPoint( 0, pt, &hittest );
353 }
354
355
356 /*******************************************************************
357 * ChildWindowFromPoint (USER32.@)
358 */
359 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
360 {
361 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
362 }
363
364 /*******************************************************************
365 * RealChildWindowFromPoint (USER32.@)
366 */
367 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
368 {
369 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
370 }
371
372 /*******************************************************************
373 * ChildWindowFromPointEx (USER32.@)
374 */
375 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
376 {
377 /* pt is in the client coordinates */
378 HWND *list;
379 int i;
380 RECT rect;
381 HWND retvalue;
382
383 GetClientRect( hwndParent, &rect );
384 if (!PtInRect( &rect, pt )) return 0;
385 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
386
387 for (i = 0; list[i]; i++)
388 {
389 if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
390 if (!PtInRect( &rect, pt )) continue;
391 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
392 {
393 LONG style = GetWindowLongW( list[i], GWL_STYLE );
394 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
395 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
396 }
397 if (uFlags & CWP_SKIPTRANSPARENT)
398 {
399 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
400 }
401 break;
402 }
403 retvalue = list[i];
404 HeapFree( GetProcessHeap(), 0, list );
405 if (!retvalue) retvalue = hwndParent;
406 return retvalue;
407 }
408
409
410 /*******************************************************************
411 * WINPOS_GetWinOffset
412 *
413 * Calculate the offset between the origin of the two windows. Used
414 * to implement MapWindowPoints.
415 */
416 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
417 {
418 WND * wndPtr;
419
420 offset->x = offset->y = 0;
421
422 /* Translate source window origin to screen coords */
423 if (hwndFrom)
424 {
425 HWND hwnd = hwndFrom;
426
427 while (hwnd)
428 {
429 if (hwnd == hwndTo) return;
430 if (!(wndPtr = WIN_GetPtr( hwnd )))
431 {
432 ERR( "bad hwndFrom = %p\n", hwnd );
433 return;
434 }
435 if (wndPtr == WND_DESKTOP) break;
436 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
437 offset->x += wndPtr->rectClient.left;
438 offset->y += wndPtr->rectClient.top;
439 hwnd = wndPtr->parent;
440 WIN_ReleasePtr( wndPtr );
441 }
442 }
443
444 /* Translate origin to destination window coords */
445 if (hwndTo)
446 {
447 HWND hwnd = hwndTo;
448
449 while (hwnd)
450 {
451 if (!(wndPtr = WIN_GetPtr( hwnd )))
452 {
453 ERR( "bad hwndTo = %p\n", hwnd );
454 return;
455 }
456 if (wndPtr == WND_DESKTOP) break;
457 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
458 offset->x -= wndPtr->rectClient.left;
459 offset->y -= wndPtr->rectClient.top;
460 hwnd = wndPtr->parent;
461 WIN_ReleasePtr( wndPtr );
462 }
463 }
464 return;
465
466 other_process: /* one of the parents may belong to another process, do it the hard way */
467 offset->x = offset->y = 0;
468 SERVER_START_REQ( get_windows_offset )
469 {
470 req->from = hwndFrom;
471 req->to = hwndTo;
472 if (!wine_server_call( req ))
473 {
474 offset->x = reply->x;
475 offset->y = reply->y;
476 }
477 }
478 SERVER_END_REQ;
479 }
480
481
482 /*******************************************************************
483 * MapWindowPoints (USER.258)
484 */
485 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
486 LPPOINT16 lppt, UINT16 count )
487 {
488 POINT offset;
489
490 WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
491 while (count--)
492 {
493 lppt->x += offset.x;
494 lppt->y += offset.y;
495 lppt++;
496 }
497 }
498
499
500 /*******************************************************************
501 * MapWindowPoints (USER32.@)
502 */
503 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
504 {
505 POINT offset;
506
507 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
508 while (count--)
509 {
510 lppt->x += offset.x;
511 lppt->y += offset.y;
512 lppt++;
513 }
514 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
515 }
516
517
518 /***********************************************************************
519 * IsIconic (USER32.@)
520 */
521 BOOL WINAPI IsIconic(HWND hWnd)
522 {
523 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
524 }
525
526
527 /***********************************************************************
528 * IsZoomed (USER32.@)
529 */
530 BOOL WINAPI IsZoomed(HWND hWnd)
531 {
532 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
533 }
534
535
536 /*******************************************************************
537 * AllowSetForegroundWindow (USER32.@)
538 */
539 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
540 {
541 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
542 * implemented, then fix this function. */
543 return TRUE;
544 }
545
546
547 /*******************************************************************
548 * LockSetForegroundWindow (USER32.@)
549 */
550 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
551 {
552 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
553 * implemented, then fix this function. */
554 return TRUE;
555 }
556
557
558 /***********************************************************************
559 * BringWindowToTop (USER32.@)
560 */
561 BOOL WINAPI BringWindowToTop( HWND hwnd )
562 {
563 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
564 }
565
566
567 /***********************************************************************
568 * MoveWindow (USER32.@)
569 */
570 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
571 BOOL repaint )
572 {
573 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
574 if (!repaint) flags |= SWP_NOREDRAW;
575 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
576 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
577 }
578
579 /***********************************************************************
580 * WINPOS_InitPlacement
581 */
582 static void WINPOS_InitPlacement( WND* wnd )
583 {
584 if (IsRectEmpty( &wnd->normal_rect ))
585 {
586 /* this happens when the window is minimized/maximized
587 * for the first time (rectWindow is not adjusted yet) */
588
589 wnd->normal_rect = wnd->rectWindow;
590 wnd->min_pos.x = wnd->min_pos.y = -1;
591 wnd->max_pos.x = wnd->max_pos.y = -1;
592 }
593
594 if( wnd->dwStyle & WS_MINIMIZE )
595 {
596 wnd->min_pos.x = wnd->rectWindow.left;
597 wnd->min_pos.y = wnd->rectWindow.top;
598 }
599 else if( wnd->dwStyle & WS_MAXIMIZE )
600 {
601 wnd->max_pos.x = wnd->rectWindow.left;
602 wnd->max_pos.y = wnd->rectWindow.top;
603 }
604 else
605 {
606 wnd->normal_rect = wnd->rectWindow;
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 = GetWindowLongA( hwnd, GWL_STYLE );
682 LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
683 RECT rc;
684 WND *win;
685
686 /* Compute default values */
687
688 GetWindowRect(hwnd, &rc);
689 MinMax.ptReserved.x = rc.left;
690 MinMax.ptReserved.y = rc.top;
691
692 if (style & WS_CHILD)
693 {
694 if ((style & WS_CAPTION) == WS_CAPTION)
695 style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
696
697 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
698 AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
699
700 /* avoid calculating this twice */
701 style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
702
703 MinMax.ptMaxSize.x = rc.right - rc.left;
704 MinMax.ptMaxSize.y = rc.bottom - rc.top;
705 }
706 else
707 {
708 MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
709 MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
710 }
711 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
712 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
713 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
714 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
715
716 if (HAS_DLGFRAME( style, exstyle ))
717 {
718 xinc = GetSystemMetrics(SM_CXDLGFRAME);
719 yinc = GetSystemMetrics(SM_CYDLGFRAME);
720 }
721 else
722 {
723 xinc = yinc = 0;
724 if (HAS_THICKFRAME(style))
725 {
726 xinc += GetSystemMetrics(SM_CXFRAME);
727 yinc += GetSystemMetrics(SM_CYFRAME);
728 }
729 if (style & WS_BORDER)
730 {
731 xinc += GetSystemMetrics(SM_CXBORDER);
732 yinc += GetSystemMetrics(SM_CYBORDER);
733 }
734 }
735 MinMax.ptMaxSize.x += 2 * xinc;
736 MinMax.ptMaxSize.y += 2 * yinc;
737
738 MinMax.ptMaxPosition.x = -xinc;
739 MinMax.ptMaxPosition.y = -yinc;
740 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
741 {
742 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
743 WIN_ReleasePtr( win );
744 }
745
746 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
747
748 /* if the app didn't change the values, adapt them for the current monitor */
749
750 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
751 {
752 MONITORINFO mon_info;
753
754 mon_info.cbSize = sizeof(mon_info);
755 GetMonitorInfoW( monitor, &mon_info );
756
757 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
758 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
759 {
760 MinMax.ptMaxSize.x = (mon_info.rcWork.right - mon_info.rcWork.left) + 2 * xinc;
761 MinMax.ptMaxSize.y = (mon_info.rcWork.bottom - mon_info.rcWork.top) + 2 * yinc;
762 }
763 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
764 {
765 MinMax.ptMaxPosition.x = mon_info.rcWork.left - xinc;
766 MinMax.ptMaxPosition.y = mon_info.rcWork.top - yinc;
767 }
768 }
769
770 /* Some sanity checks */
771
772 TRACE("%d %d / %d %d / %d %d / %d %d\n",
773 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
774 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
775 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
776 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
777 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
778 MinMax.ptMinTrackSize.x );
779 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
780 MinMax.ptMinTrackSize.y );
781
782 if (maxSize) *maxSize = MinMax.ptMaxSize;
783 if (maxPos) *maxPos = MinMax.ptMaxPosition;
784 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
785 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
786 }
787
788
789 /***********************************************************************
790 * WINPOS_FindIconPos
791 *
792 * Find a suitable place for an iconic window.
793 */
794 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
795 {
796 RECT rect, rectParent;
797 HWND parent, child;
798 HRGN hrgn, tmp;
799 int xspacing, yspacing;
800
801 parent = GetAncestor( hwnd, GA_PARENT );
802 GetClientRect( parent, &rectParent );
803 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
804 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
805 return pt; /* The icon already has a suitable position */
806
807 xspacing = GetSystemMetrics(SM_CXICONSPACING);
808 yspacing = GetSystemMetrics(SM_CYICONSPACING);
809
810 /* Check if another icon already occupies this spot */
811 /* FIXME: this is completely inefficient */
812
813 hrgn = CreateRectRgn( 0, 0, 0, 0 );
814 tmp = CreateRectRgn( 0, 0, 0, 0 );
815 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
816 {
817 WND *childPtr;
818 if (child == hwnd) continue;
819 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
820 continue;
821 if (!(childPtr = WIN_GetPtr( child )) || childPtr == WND_OTHER_PROCESS)
822 continue;
823 SetRectRgn( tmp, childPtr->rectWindow.left, childPtr->rectWindow.top,
824 childPtr->rectWindow.right, childPtr->rectWindow.bottom );
825 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
826 WIN_ReleasePtr( childPtr );
827 }
828 DeleteObject( tmp );
829
830 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
831 {
832 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
833 {
834 rect.right = rect.left + xspacing;
835 rect.top = rect.bottom - yspacing;
836 if (!RectInRegion( hrgn, &rect ))
837 {
838 /* No window was found, so it's OK for us */
839 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
840 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
841 DeleteObject( hrgn );
842 return pt;
843 }
844 }
845 }
846 DeleteObject( hrgn );
847 pt.x = pt.y = 0;
848 return pt;
849 }
850
851
852 /***********************************************************************
853 * WINPOS_MinMaximize
854 */
855 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
856 {
857 WND *wndPtr;
858 UINT swpFlags = 0;
859 POINT size;
860 LONG old_style;
861 WINDOWPLACEMENT wpl;
862
863 TRACE("%p %u\n", hwnd, cmd );
864
865 wpl.length = sizeof(wpl);
866 GetWindowPlacement( hwnd, &wpl );
867
868 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
869 return SWP_NOSIZE | SWP_NOMOVE;
870
871 if (IsIconic( hwnd ))
872 {
873 switch (cmd)
874 {
875 case SW_SHOWMINNOACTIVE:
876 case SW_SHOWMINIMIZED:
877 case SW_FORCEMINIMIZE:
878 case SW_MINIMIZE:
879 return SWP_NOSIZE | SWP_NOMOVE;
880 }
881 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
882 swpFlags |= SWP_NOCOPYBITS;
883 }
884
885 switch( cmd )
886 {
887 case SW_SHOWMINNOACTIVE:
888 case SW_SHOWMINIMIZED:
889 case SW_FORCEMINIMIZE:
890 case SW_MINIMIZE:
891 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
892 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
893 else wndPtr->flags &= ~WIN_RESTORE_MAX;
894 WIN_ReleasePtr( wndPtr );
895
896 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
897
898 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
899
900 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
901 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
902 GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON) );
903 swpFlags |= SWP_NOCOPYBITS;
904 break;
905
906 case SW_MAXIMIZE:
907 old_style = GetWindowLongW( hwnd, GWL_STYLE );
908 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
909
910 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
911
912 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
913 if (old_style & WS_MINIMIZE) WINPOS_ShowIconTitle( hwnd, FALSE );
914
915 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
916 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y, size.x, size.y );
917 break;
918
919 case SW_SHOWNOACTIVATE:
920 case SW_SHOWNORMAL:
921 case SW_RESTORE:
922 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
923 if (old_style & WS_MINIMIZE)
924 {
925 BOOL restore_max;
926
927 WINPOS_ShowIconTitle( hwnd, FALSE );
928
929 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
930 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
931 WIN_ReleasePtr( wndPtr );
932 if (restore_max)
933 {
934 /* Restore to maximized position */
935 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
936 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
937 swpFlags |= SWP_STATECHANGED;
938 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y, size.x, size.y );
939 break;
940 }
941 }
942 else if (!(old_style & WS_MAXIMIZE)) break;
943
944 swpFlags |= SWP_STATECHANGED;
945
946 /* Restore to normal position */
947
948 *rect = wpl.rcNormalPosition;
949 rect->right -= rect->left;
950 rect->bottom -= rect->top;
951
952 break;
953 }
954
955 return swpFlags;
956 }
957
958
959 /***********************************************************************
960 * show_window
961 *
962 * Implementation of ShowWindow and ShowWindowAsync.
963 */
964 static BOOL show_window( HWND hwnd, INT cmd )
965 {
966 WND *wndPtr;
967 HWND parent;
968 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
969 BOOL wasVisible = (style & WS_VISIBLE) != 0;
970 BOOL showFlag = TRUE;
971 RECT newPos = {0, 0, 0, 0};
972 UINT swp = 0;
973
974 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
975
976 switch(cmd)
977 {
978 case SW_HIDE:
979 if (!wasVisible) return FALSE;
980 showFlag = FALSE;
981 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
982 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
983 break;
984
985 case SW_SHOWMINNOACTIVE:
986 case SW_MINIMIZE:
987 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
988 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
989 /* fall through */
990 case SW_SHOWMINIMIZED:
991 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
992 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
993 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
994 break;
995
996 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
997 if (!wasVisible) swp |= SWP_SHOWWINDOW;
998 swp |= SWP_FRAMECHANGED;
999 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
1000 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
1001 break;
1002
1003 case SW_SHOWNA:
1004 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1005 if (style & WS_CHILD) swp |= SWP_NOZORDER;
1006 break;
1007 case SW_SHOW:
1008 if (wasVisible) return TRUE;
1009 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
1010 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1011 break;
1012
1013 case SW_SHOWNOACTIVATE:
1014 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1015 /* fall through */
1016 case SW_RESTORE:
1017 /* fall through */
1018 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1019 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1020 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1021 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1022 {
1023 swp |= SWP_FRAMECHANGED;
1024 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1025 }
1026 else
1027 {
1028 if (wasVisible) return TRUE;
1029 swp |= SWP_NOSIZE | SWP_NOMOVE;
1030 }
1031 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1032 break;
1033 default:
1034 return wasVisible;
1035 }
1036
1037 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1038 {
1039 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1040 if (!IsWindow( hwnd )) return wasVisible;
1041 }
1042
1043 parent = GetAncestor( hwnd, GA_PARENT );
1044 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1045 {
1046 /* if parent is not visible simply toggle WS_VISIBLE and return */
1047 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1048 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1049 }
1050 else
1051 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1052 newPos.right, newPos.bottom, LOWORD(swp) );
1053
1054 if (cmd == SW_HIDE)
1055 {
1056 HWND hFocus;
1057
1058 WINPOS_ShowIconTitle( hwnd, FALSE );
1059
1060 /* FIXME: This will cause the window to be activated irrespective
1061 * of whether it is owned by the same thread. Has to be done
1062 * asynchronously.
1063 */
1064
1065 if (hwnd == GetActiveWindow())
1066 WINPOS_ActivateOtherWindow(hwnd);
1067
1068 /* Revert focus to parent */
1069 hFocus = GetFocus();
1070 if (hwnd == hFocus || IsChild(hwnd, hFocus))
1071 {
1072 HWND parent = GetAncestor(hwnd, GA_PARENT);
1073 if (parent == GetDesktopWindow()) parent = 0;
1074 SetFocus(parent);
1075 }
1076 }
1077
1078 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1079
1080 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1081
1082 if (wndPtr->flags & WIN_NEED_SIZE)
1083 {
1084 /* should happen only in CreateWindowEx() */
1085 int wParam = SIZE_RESTORED;
1086 RECT client = wndPtr->rectClient;
1087
1088 wndPtr->flags &= ~WIN_NEED_SIZE;
1089 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1090 else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
1091 WIN_ReleasePtr( wndPtr );
1092
1093 SendMessageW( hwnd, WM_SIZE, wParam,
1094 MAKELONG( client.right - client.left, client.bottom - client.top ));
1095 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1096 }
1097 else WIN_ReleasePtr( wndPtr );
1098
1099 /* if previous state was minimized Windows sets focus to the window */
1100 if (style & WS_MINIMIZE) SetFocus( hwnd );
1101
1102 return wasVisible;
1103 }
1104
1105
1106 /***********************************************************************
1107 * ShowWindowAsync (USER32.@)
1108 *
1109 * doesn't wait; returns immediately.
1110 * used by threads to toggle windows in other (possibly hanging) threads
1111 */
1112 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1113 {
1114 HWND full_handle;
1115
1116 if (is_broadcast(hwnd))
1117 {
1118 SetLastError( ERROR_INVALID_PARAMETER );
1119 return FALSE;
1120 }
1121
1122 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1123 return show_window( full_handle, cmd );
1124
1125 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1126 }
1127
1128
1129 /***********************************************************************
1130 * ShowWindow (USER32.@)
1131 */
1132 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1133 {
1134 HWND full_handle;
1135
1136 if (is_broadcast(hwnd))
1137 {
1138 SetLastError( ERROR_INVALID_PARAMETER );
1139 return FALSE;
1140 }
1141 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1142 return show_window( full_handle, cmd );
1143
1144 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1145 }
1146
1147
1148 /***********************************************************************
1149 * GetInternalWindowPos (USER32.@)
1150 */
1151 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1152 LPPOINT ptIcon )
1153 {
1154 WINDOWPLACEMENT wndpl;
1155 if (GetWindowPlacement( hwnd, &wndpl ))
1156 {
1157 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1158 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1159 return wndpl.showCmd;
1160 }
1161 return 0;
1162 }
1163
1164
1165 /***********************************************************************
1166 * GetWindowPlacement (USER32.@)
1167 *
1168 * Win95:
1169 * Fails if wndpl->length of Win95 (!) apps is invalid.
1170 */
1171 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1172 {
1173 WND *pWnd = WIN_GetPtr( hwnd );
1174
1175 if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
1176 if (pWnd == WND_OTHER_PROCESS)
1177 {
1178 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1179 return FALSE;
1180 }
1181
1182 WINPOS_InitPlacement( pWnd );
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 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1872 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1873
1874 old_window_rect = win->rectWindow;
1875 SERVER_START_REQ( set_window_pos )
1876 {
1877 req->handle = hwnd;
1878 req->previous = insert_after;
1879 req->flags = swp_flags;
1880 req->window.left = window_rect->left;
1881 req->window.top = window_rect->top;
1882 req->window.right = window_rect->right;
1883 req->window.bottom = window_rect->bottom;
1884 req->client.left = client_rect->left;
1885 req->client.top = client_rect->top;
1886 req->client.right = client_rect->right;
1887 req->client.bottom = client_rect->bottom;
1888 if (!IsRectEmpty( &valid_rects[0] ))
1889 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1890 if ((ret = !wine_server_call( req )))
1891 {
1892 win->dwStyle = reply->new_style;
1893 win->dwExStyle = reply->new_ex_style;
1894 win->rectWindow = *window_rect;
1895 win->rectClient = *client_rect;
1896 visible_rect.left = reply->visible.left;
1897 visible_rect.top = reply->visible.top;
1898 visible_rect.right = reply->visible.right;
1899 visible_rect.bottom = reply->visible.bottom;
1900 }
1901 }
1902 SERVER_END_REQ;
1903 WIN_ReleasePtr( win );
1904
1905 if (ret)
1906 {
1907 USER_Driver->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
1908 client_rect, &visible_rect, valid_rects );
1909
1910 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
1911 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
1912 invalidate_dce( hwnd, &old_window_rect );
1913 }
1914 return ret;
1915 }
1916
1917
1918 /***********************************************************************
1919 * USER_SetWindowPos
1920 *
1921 * User32 internal function
1922 */
1923 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1924 {
1925 RECT newWindowRect, newClientRect, valid_rects[2];
1926 UINT orig_flags;
1927
1928 orig_flags = winpos->flags;
1929
1930 /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1931 if (!(winpos->flags & SWP_NOMOVE))
1932 {
1933 if (winpos->x < -32768) winpos->x = -32768;
1934 else if (winpos->x > 32767) winpos->x = 32767;
1935 if (winpos->y < -32768) winpos->y = -32768;
1936 else if (winpos->y > 32767) winpos->y = 32767;
1937 }
1938 if (!(winpos->flags & SWP_NOSIZE))
1939 {
1940 if (winpos->cx < 0) winpos->cx = 0;
1941 else if (winpos->cx > 32767) winpos->cx = 32767;
1942 if (winpos->cy < 0) winpos->cy = 0;
1943 else if (winpos->cy > 32767) winpos->cy = 32767;
1944 }
1945
1946 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1947
1948 /* Fix redundant flags */
1949 if (!fixup_flags( winpos )) return FALSE;
1950
1951 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1952 {
1953 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1954 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1955 }
1956
1957 /* Common operations */
1958
1959 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1960
1961 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
1962 &newWindowRect, &newClientRect, valid_rects ))
1963 return FALSE;
1964
1965 /* erase parent when hiding or resizing child */
1966 if (!(orig_flags & SWP_DEFERERASE) &&
1967 ((orig_flags & SWP_HIDEWINDOW) ||
1968 (!(orig_flags & SWP_SHOWWINDOW) &&
1969 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1970 {
1971 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1972 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1973 erase_now( parent, 0 );
1974 }
1975
1976 if( winpos->flags & SWP_HIDEWINDOW )
1977 HideCaret(winpos->hwnd);
1978 else if (winpos->flags & SWP_SHOWWINDOW)
1979 ShowCaret(winpos->hwnd);
1980
1981 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1982 {
1983 /* child windows get WM_CHILDACTIVATE message */
1984 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1985 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1986 else
1987 SetForegroundWindow( winpos->hwnd );
1988 }
1989
1990 /* And last, send the WM_WINDOWPOSCHANGED message */
1991
1992 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1993
1994 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
1995 {
1996 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
1997 and always contains final window position.
1998 */
1999 winpos->x = newWindowRect.left;
2000 winpos->y = newWindowRect.top;
2001 winpos->cx = newWindowRect.right - newWindowRect.left;
2002 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2003 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2004 }
2005 return TRUE;
2006 }
2007
2008 /***********************************************************************
2009 * SetWindowPos (USER32.@)
2010 */
2011 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2012 INT x, INT y, INT cx, INT cy, UINT flags )
2013 {
2014 WINDOWPOS winpos;
2015
2016 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2017 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2018 if(TRACE_ON(win)) dump_winpos_flags(flags);
2019
2020 if (is_broadcast(hwnd))
2021 {
2022 SetLastError( ERROR_INVALID_PARAMETER );
2023 return FALSE;
2024 }
2025
2026 winpos.hwnd = WIN_GetFullHandle(hwnd);
2027 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2028 winpos.x = x;
2029 winpos.y = y;
2030 winpos.cx = cx;
2031 winpos.cy = cy;
2032 winpos.flags = flags;
2033
2034 if (WIN_IsCurrentThread( hwnd ))
2035 return USER_SetWindowPos(&winpos);
2036
2037 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2038 }
2039
2040
2041 /***********************************************************************
2042 * BeginDeferWindowPos (USER32.@)
2043 */
2044 HDWP WINAPI BeginDeferWindowPos( INT count )
2045 {
2046 HDWP handle;
2047 DWP *pDWP;
2048
2049 TRACE("%d\n", count);
2050
2051 if (count < 0)
2052 {
2053 SetLastError(ERROR_INVALID_PARAMETER);
2054 return 0;
2055 }
2056 /* Windows allows zero count, in which case it allocates context for 8 moves */
2057 if (count == 0) count = 8;
2058
2059 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
2060 if (!handle) return 0;
2061 pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
2062 pDWP->actualCount = 0;
2063 pDWP->suggestedCount = count;
2064 pDWP->valid = TRUE;
2065 pDWP->wMagic = DWP_MAGIC;
2066 pDWP->hwndParent = 0;
2067
2068 TRACE("returning hdwp %p\n", handle);
2069 return handle;
2070 }
2071
2072
2073 /***********************************************************************
2074 * DeferWindowPos (USER32.@)
2075 */
2076 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2077 INT x, INT y, INT cx, INT cy,
2078 UINT flags )
2079 {
2080 DWP *pDWP;
2081 int i;
2082 HDWP newhdwp = hdwp,retvalue;
2083
2084 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2085 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2086
2087 hwnd = WIN_GetFullHandle( hwnd );
2088 if (hwnd == GetDesktopWindow()) return 0;
2089
2090 if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
2091
2092 USER_Lock();
2093
2094 for (i = 0; i < pDWP->actualCount; i++)
2095 {
2096 if (pDWP->winPos[i].hwnd == hwnd)
2097 {
2098 /* Merge with the other changes */
2099 if (!(flags & SWP_NOZORDER))
2100 {
2101 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2102 }
2103 if (!(flags & SWP_NOMOVE))
2104 {
2105 pDWP->winPos[i].x = x;
2106 pDWP->winPos[i].y = y;
2107 }
2108 if (!(flags & SWP_NOSIZE))
2109 {
2110 pDWP->winPos[i].cx = cx;
2111 pDWP->winPos[i].cy = cy;
2112 }
2113 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2114 SWP_NOZORDER | SWP_NOREDRAW |
2115 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2116 SWP_NOOWNERZORDER);
2117 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2118 SWP_FRAMECHANGED);
2119 retvalue = hdwp;
2120 goto END;
2121 }
2122 }
2123 if (pDWP->actualCount >= pDWP->suggestedCount)
2124 {
2125 newhdwp = USER_HEAP_REALLOC( hdwp,
2126 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
2127 if (!newhdwp)
2128 {
2129 retvalue = 0;
2130 goto END;
2131 }
2132 pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2133 pDWP->suggestedCount++;
2134 }
2135 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2136 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2137 pDWP->winPos[pDWP->actualCount].x = x;
2138 pDWP->winPos[pDWP->actualCount].y = y;
2139 pDWP->winPos[pDWP->actualCount].cx = cx;
2140 pDWP->winPos[pDWP->actualCount].cy = cy;
2141 pDWP->winPos[pDWP->actualCount].flags = flags;
2142 pDWP->actualCount++;
2143 retvalue = newhdwp;
2144 END:
2145 USER_Unlock();
2146 return retvalue;
2147 }
2148
2149
2150 /***********************************************************************
2151 * EndDeferWindowPos (USER32.@)
2152 */
2153 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2154 {
2155 DWP *pDWP;
2156 WINDOWPOS *winpos;
2157 BOOL res = TRUE;
2158 int i;
2159
2160 TRACE("%p\n", hdwp);
2161
2162 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2163 if (!pDWP) return FALSE;
2164 for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2165 {
2166 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2167 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2168 winpos->cx, winpos->cy, winpos->flags);
2169
2170 if (!(res = USER_SetWindowPos( winpos ))) break;
2171 }
2172 USER_HEAP_FREE( hdwp );
2173 return res;
2174 }
2175
2176
2177 /***********************************************************************
2178 * ArrangeIconicWindows (USER32.@)
2179 */
2180 UINT WINAPI ArrangeIconicWindows( HWND parent )
2181 {
2182 RECT rectParent;
2183 HWND hwndChild;
2184 INT x, y, xspacing, yspacing;
2185
2186 GetClientRect( parent, &rectParent );
2187 x = rectParent.left;
2188 y = rectParent.bottom;
2189 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2190 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2191
2192 hwndChild = GetWindow( parent, GW_CHILD );
2193 while (hwndChild)
2194 {
2195 if( IsIconic( hwndChild ) )
2196 {
2197 WINPOS_ShowIconTitle( hwndChild, FALSE );
2198
2199 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2200 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2201 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2202 if( IsWindow(hwndChild) )
2203 WINPOS_ShowIconTitle(hwndChild , TRUE );
2204
2205 if (x <= rectParent.right - xspacing) x += xspacing;
2206 else
2207 {
2208 x = rectParent.left;
2209 y -= yspacing;
2210 }
2211 }
2212 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2213 }
2214 return yspacing;
2215 }
2216
2217
2218 /***********************************************************************
2219 * draw_moving_frame
2220 *
2221 * Draw the frame used when moving or resizing window.
2222 */
2223 static void draw_moving_frame( HDC hdc, RECT *rect, BOOL thickframe )
2224 {
2225 if (thickframe)
2226 {
2227 const int width = GetSystemMetrics(SM_CXFRAME);
2228 const int height = GetSystemMetrics(SM_CYFRAME);
2229
2230 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2231 PatBlt( hdc, rect->left, rect->top,
2232 rect->right - rect->left - width, height, PATINVERT );
2233 PatBlt( hdc, rect->left, rect->top + height, width,
2234 rect->bottom - rect->top - height, PATINVERT );
2235 PatBlt( hdc, rect->left + width, rect->bottom - 1,
2236 rect->right - rect->left - width, -height, PATINVERT );
2237 PatBlt( hdc, rect->right - 1, rect->top, -width,
2238 rect->bottom - rect->top - height, PATINVERT );
2239 SelectObject( hdc, hbrush );
2240 }
2241 else DrawFocusRect( hdc, rect );
2242 }
2243
2244
2245 /***********************************************************************
2246 * start_size_move
2247 *
2248 * Initialization of a move or resize, when initiated from a menu choice.
2249 * Return hit test code for caption or sizing border.
2250 */
2251 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2252 {
2253 LONG hittest = 0;
2254 POINT pt;
2255 MSG msg;
2256 RECT rectWindow;
2257
2258 GetWindowRect( hwnd, &rectWindow );
2259
2260 if ((wParam & 0xfff0) == SC_MOVE)
2261 {
2262 /* Move pointer at the center of the caption */
2263 RECT rect = rectWindow;
2264 /* Note: to be exactly centered we should take the different types
2265 * of border into account, but it shouldn't make more than a few pixels
2266 * of difference so let's not bother with that */
2267 rect.top += GetSystemMetrics(SM_CYBORDER);
2268 if (style & WS_SYSMENU)
2269 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2270 if (style & WS_MINIMIZEBOX)
2271 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2272 if (style & WS_MAXIMIZEBOX)
2273 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2274 pt.x = (rect.right + rect.left) / 2;
2275 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2276 hittest = HTCAPTION;
2277 *capturePoint = pt;
2278 }
2279 else /* SC_SIZE */
2280 {
2281 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2282 pt.x = pt.y = 0;
2283 while(!hittest)
2284 {
2285 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2286 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2287
2288 switch(msg.message)
2289 {
2290 case WM_MOUSEMOVE:
2291 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2292 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2293 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2294 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2295 break;
2296
2297 case WM_LBUTTONUP:
2298 return 0;
2299
2300 case WM_KEYDOWN:
2301 switch(msg.wParam)
2302 {
2303 case VK_UP:
2304 hittest = HTTOP;
2305 pt.x =(rectWindow.left+rectWindow.right)/2;
2306 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2307 break;
2308 case VK_DOWN:
2309 hittest = HTBOTTOM;
2310 pt.x =(rectWindow.left+rectWindow.right)/2;
2311 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2312 break;
2313 case VK_LEFT:
2314 hittest = HTLEFT;
2315 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2316 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2317 break;
2318 case VK_RIGHT:
2319 hittest = HTRIGHT;
2320 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2321 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2322 break;
2323 case VK_RETURN:
2324 case VK_ESCAPE:
2325 return 0;
2326 }
2327 break;
2328 default:
2329 TranslateMessage( &msg );
2330 DispatchMessageW( &msg );
2331 break;
2332 }
2333 }
2334 *capturePoint = pt;
2335 }
2336 SetCursorPos( pt.x, pt.y );
2337 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2338 return hittest;
2339 }
2340
2341
2342 /***********************************************************************
2343 * WINPOS_SysCommandSizeMove
2344 *
2345 * Perform SC_MOVE and SC_SIZE commands.
2346 */
2347 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2348 {
2349 MSG msg;
2350 RECT sizingRect, mouseRect, origRect;
2351 HDC hdc;
2352 HWND parent;
2353 LONG hittest = (LONG)(wParam & 0x0f);
2354 WPARAM syscommand = wParam & 0xfff0;
2355 HCURSOR hDragCursor = 0, hOldCursor = 0;
2356 POINT minTrack, maxTrack;
2357 POINT capturePoint, pt;
2358 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2359 BOOL thickframe = HAS_THICKFRAME( style );
2360 BOOL iconic = style & WS_MINIMIZE;
2361 BOOL moved = FALSE;
2362 DWORD dwPoint = GetMessagePos ();
2363 BOOL DragFullWindows = TRUE;
2364
2365 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2366
2367 pt.x = (short)LOWORD(dwPoint);
2368 pt.y = (short)HIWORD(dwPoint);
2369 capturePoint = pt;
2370
2371 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2372 hwnd, syscommand, hittest, pt.x, pt.y);
2373
2374 if (syscommand == SC_MOVE)
2375 {
2376 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2377 if (!hittest) return;
2378 }
2379 else /* SC_SIZE */
2380 {
2381 if ( hittest && (syscommand != SC_MOUSEMENU) )
2382 hittest += (HTLEFT - WMSZ_LEFT);
2383 else
2384 {
2385 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2386 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2387 if (!hittest)
2388 {
2389 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2390 return;
2391 }
2392 }
2393 }
2394
2395 /* Get min/max info */
2396
2397 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2398 GetWindowRect( hwnd, &sizingRect );
2399 if (style & WS_CHILD)
2400 {
2401 parent = GetParent(hwnd);
2402 /* make sizing rect relative to parent */
2403 MapWindowPoints( 0, parent, (POINT*)&sizingRect, 2 );
2404 GetClientRect( parent, &mouseRect );
2405 }
2406 else
2407 {
2408 parent = 0;
2409 GetClientRect( GetDesktopWindow(), &mouseRect );
2410 mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
2411 mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
2412 mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
2413 mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
2414 }
2415 origRect = sizingRect;
2416
2417 if (ON_LEFT_BORDER(hittest))
2418 {
2419 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2420 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2421 }
2422 else if (ON_RIGHT_BORDER(hittest))
2423 {
2424 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2425 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2426 }
2427 if (ON_TOP_BORDER(hittest))
2428 {
2429 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2430 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2431 }
2432 else if (ON_BOTTOM_BORDER(hittest))
2433 {
2434 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2435 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2436 }
2437 if (parent) MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2438
2439 /* Retrieve a default cache DC (without using the window style) */
2440 hdc = GetDCEx( parent, 0, DCX_CACHE );
2441
2442 if( iconic ) /* create a cursor for dragging */
2443 {
2444 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2445 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2446 if( !hDragCursor ) iconic = FALSE;
2447 }
2448
2449 /* we only allow disabling the full window drag for child windows */
2450 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2451
2452 /* repaint the window before moving it around */
2453 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2454
2455 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2456 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2457
2458 while(1)
2459 {
2460 int dx = 0, dy = 0;
2461
2462 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2463 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2464
2465 /* Exit on button-up, Return, or Esc */
2466 if ((msg.message == WM_LBUTTONUP) ||
2467 ((msg.message == WM_KEYDOWN) &&
2468 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2469
2470 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2471 {
2472 TranslateMessage( &msg );
2473 DispatchMessageW( &msg );
2474 continue; /* We are not interested in other messages */
2475 }
2476
2477 pt = msg.pt;
2478
2479 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2480 {
2481 case VK_UP: pt.y -= 8; break;
2482 case VK_DOWN: pt.y += 8; break;
2483 case VK_LEFT: pt.x -= 8; break;
2484 case VK_RIGHT: pt.x += 8; break;
2485 }
2486
2487 pt.x = max( pt.x, mouseRect.left );
2488 pt.x = min( pt.x, mouseRect.right );
2489 pt.y = max( pt.y, mouseRect.top );
2490 pt.y = min( pt.y, mouseRect.bottom );
2491
2492 dx = pt.x - capturePoint.x;
2493 dy = pt.y - capturePoint.y;
2494
2495 if (dx || dy)
2496 {
2497 if( !moved )
2498 {
2499 moved = TRUE;
2500
2501 if( iconic ) /* ok, no system popup tracking */
2502 {
2503 hOldCursor = SetCursor(hDragCursor);
2504 ShowCursor( TRUE );
2505 WINPOS_ShowIconTitle( hwnd, FALSE );
2506 }
2507 else if(!DragFullWindows)
2508 draw_moving_frame( hdc, &sizingRect, thickframe );
2509 }
2510
2511 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2512 else
2513 {
2514 RECT newRect = sizingRect;
2515 WPARAM wpSizingHit = 0;
2516
2517 if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
2518 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
2519 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
2520 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
2521 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
2522 if(!iconic && !DragFullWindows) draw_moving_frame( hdc, &sizingRect, thickframe );
2523 capturePoint = pt;
2524
2525 /* determine the hit location */
2526 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2527 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2528 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
2529
2530 if (!iconic)
2531 {
2532 if(!DragFullWindows)
2533 draw_moving_frame( hdc, &newRect, thickframe );
2534 else
2535 SetWindowPos( hwnd, 0, newRect.left, newRect.top,
2536 newRect.right - newRect.left,
2537 newRect.bottom - newRect.top,
2538 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2539 }
2540 sizingRect = newRect;
2541 }
2542 }
2543 }
2544
2545 if( iconic )
2546 {
2547 if( moved ) /* restore cursors, show icon title later on */
2548 {
2549 ShowCursor( FALSE );
2550 SetCursor( hOldCursor );
2551 }
2552 }
2553 else if (moved && !DragFullWindows)
2554 {
2555 draw_moving_frame( hdc, &sizingRect, thickframe );
2556 }
2557
2558 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2559 ReleaseDC( parent, hdc );
2560
2561 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2562 moved = FALSE;
2563
2564 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2565 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2566
2567 /* window moved or resized */
2568 if (moved)
2569 {
2570 /* if the moving/resizing isn't canceled call SetWindowPos
2571 * with the new position or the new size of the window
2572 */
2573 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2574 {
2575 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2576 if(!DragFullWindows)
2577 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2578 sizingRect.right - sizingRect.left,
2579 sizingRect.bottom - sizingRect.top,
2580 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2581 }
2582 else
2583 { /* restore previous size/position */
2584 if(DragFullWindows)
2585 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2586 origRect.right - origRect.left,
2587 origRect.bottom - origRect.top,
2588 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2589 }
2590 }
2591
2592 if (IsIconic(hwnd))
2593 {
2594 /* Single click brings up the system menu when iconized */
2595
2596 if( !moved )
2597 {
2598 if(style & WS_SYSMENU )
2599 SendMessageW( hwnd, WM_SYSCOMMAND,
2600 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2601 }
2602 else WINPOS_ShowIconTitle( hwnd, TRUE );
2603 }
2604 }
Windows API implementation