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kernel32: Delete the .windows-label file if the label is empty.
[wine/multimedia.git] / dlls / user32 / winpos.c
blob4f5005cf32a31ab693fbb351a305a3763c6ed1be
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 if (wndPtr->parent)
438 {
439 offset->x += wndPtr->rectClient.left;
440 offset->y += wndPtr->rectClient.top;
441 }
442 hwnd = wndPtr->parent;
443 WIN_ReleasePtr( wndPtr );
444 }
445 }
446
447 /* Translate origin to destination window coords */
448 if (hwndTo)
449 {
450 HWND hwnd = hwndTo;
451
452 while (hwnd)
453 {
454 if (!(wndPtr = WIN_GetPtr( hwnd )))
455 {
456 ERR( "bad hwndTo = %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 return;
471
472 other_process: /* one of the parents may belong to another process, do it the hard way */
473 offset->x = offset->y = 0;
474 SERVER_START_REQ( get_windows_offset )
475 {
476 req->from = hwndFrom;
477 req->to = hwndTo;
478 if (!wine_server_call( req ))
479 {
480 offset->x = reply->x;
481 offset->y = reply->y;
482 }
483 }
484 SERVER_END_REQ;
485 }
486
487
488 /*******************************************************************
489 * MapWindowPoints (USER.258)
490 */
491 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
492 LPPOINT16 lppt, UINT16 count )
493 {
494 POINT offset;
495
496 WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
497 while (count--)
498 {
499 lppt->x += offset.x;
500 lppt->y += offset.y;
501 lppt++;
502 }
503 }
504
505
506 /*******************************************************************
507 * MapWindowPoints (USER32.@)
508 */
509 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
510 {
511 POINT offset;
512
513 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
514 while (count--)
515 {
516 lppt->x += offset.x;
517 lppt->y += offset.y;
518 lppt++;
519 }
520 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
521 }
522
523
524 /***********************************************************************
525 * IsIconic (USER32.@)
526 */
527 BOOL WINAPI IsIconic(HWND hWnd)
528 {
529 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
530 }
531
532
533 /***********************************************************************
534 * IsZoomed (USER32.@)
535 */
536 BOOL WINAPI IsZoomed(HWND hWnd)
537 {
538 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
539 }
540
541
542 /*******************************************************************
543 * AllowSetForegroundWindow (USER32.@)
544 */
545 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
546 {
547 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
548 * implemented, then fix this function. */
549 return TRUE;
550 }
551
552
553 /*******************************************************************
554 * LockSetForegroundWindow (USER32.@)
555 */
556 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
557 {
558 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
559 * implemented, then fix this function. */
560 return TRUE;
561 }
562
563
564 /***********************************************************************
565 * BringWindowToTop (USER32.@)
566 */
567 BOOL WINAPI BringWindowToTop( HWND hwnd )
568 {
569 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
570 }
571
572
573 /***********************************************************************
574 * MoveWindow (USER32.@)
575 */
576 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
577 BOOL repaint )
578 {
579 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
580 if (!repaint) flags |= SWP_NOREDRAW;
581 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
582 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
583 }
584
585
586 /***********************************************************************
587 * WINPOS_RedrawIconTitle
588 */
589 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
590 {
591 HWND icon_title = 0;
592 WND *win = WIN_GetPtr( hWnd );
593
594 if (win && win != WND_OTHER_PROCESS && win != WND_DESKTOP)
595 {
596 icon_title = win->icon_title;
597 WIN_ReleasePtr( win );
598 }
599 if (!icon_title) return FALSE;
600 SendMessageW( icon_title, WM_SHOWWINDOW, TRUE, 0 );
601 InvalidateRect( icon_title, NULL, TRUE );
602 return TRUE;
603 }
604
605 /***********************************************************************
606 * WINPOS_ShowIconTitle
607 */
608 static BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
609 {
610 if (!GetPropA( hwnd, "__wine_x11_managed" ))
611 {
612 WND *win = WIN_GetPtr( hwnd );
613 HWND title = 0;
614
615 TRACE("%p %i\n", hwnd, (bShow != 0) );
616
617 if (!win || win == WND_OTHER_PROCESS || win == WND_DESKTOP) return FALSE;
618 title = win->icon_title;
619 WIN_ReleasePtr( win );
620
621 if( bShow )
622 {
623 if (!title)
624 {
625 title = ICONTITLE_Create( hwnd );
626 if (!(win = WIN_GetPtr( hwnd )) || win == WND_OTHER_PROCESS)
627 {
628 DestroyWindow( title );
629 return FALSE;
630 }
631 win->icon_title = title;
632 WIN_ReleasePtr( win );
633 }
634 if (!IsWindowVisible(title))
635 {
636 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
637 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
638 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
639 }
640 }
641 else if (title) ShowWindow( title, SW_HIDE );
642 }
643 return FALSE;
644 }
645
646 /*******************************************************************
647 * WINPOS_GetMinMaxInfo
648 *
649 * Get the minimized and maximized information for a window.
650 */
651 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
652 POINT *minTrack, POINT *maxTrack )
653 {
654 MINMAXINFO MinMax;
655 HMONITOR monitor;
656 INT xinc, yinc;
657 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
658 LONG exstyle = GetWindowLongW( hwnd, GWL_EXSTYLE );
659 RECT rc;
660 WND *win;
661
662 /* Compute default values */
663
664 GetWindowRect(hwnd, &rc);
665 MinMax.ptReserved.x = rc.left;
666 MinMax.ptReserved.y = rc.top;
667
668 if (style & WS_CHILD)
669 {
670 if ((style & WS_CAPTION) == WS_CAPTION)
671 style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
672
673 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
674 AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
675
676 /* avoid calculating this twice */
677 style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
678
679 MinMax.ptMaxSize.x = rc.right - rc.left;
680 MinMax.ptMaxSize.y = rc.bottom - rc.top;
681 }
682 else
683 {
684 MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
685 MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
686 }
687 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
688 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
689 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
690 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
691
692 if (HAS_DLGFRAME( style, exstyle ))
693 {
694 xinc = GetSystemMetrics(SM_CXDLGFRAME);
695 yinc = GetSystemMetrics(SM_CYDLGFRAME);
696 }
697 else
698 {
699 xinc = yinc = 0;
700 if (HAS_THICKFRAME(style))
701 {
702 xinc += GetSystemMetrics(SM_CXFRAME);
703 yinc += GetSystemMetrics(SM_CYFRAME);
704 }
705 if (style & WS_BORDER)
706 {
707 xinc += GetSystemMetrics(SM_CXBORDER);
708 yinc += GetSystemMetrics(SM_CYBORDER);
709 }
710 }
711 MinMax.ptMaxSize.x += 2 * xinc;
712 MinMax.ptMaxSize.y += 2 * yinc;
713
714 MinMax.ptMaxPosition.x = -xinc;
715 MinMax.ptMaxPosition.y = -yinc;
716 if ((win = WIN_GetPtr( hwnd )) && win != WND_DESKTOP && win != WND_OTHER_PROCESS)
717 {
718 if (!EMPTYPOINT(win->max_pos)) MinMax.ptMaxPosition = win->max_pos;
719 WIN_ReleasePtr( win );
720 }
721
722 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
723
724 /* if the app didn't change the values, adapt them for the current monitor */
725
726 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
727 {
728 RECT rc_work;
729 MONITORINFO mon_info;
730
731 mon_info.cbSize = sizeof(mon_info);
732 GetMonitorInfoW( monitor, &mon_info );
733
734 rc_work = mon_info.rcMonitor;
735
736 if (style & WS_MAXIMIZEBOX)
737 {
738 if ((style & WS_CAPTION) == WS_CAPTION || !(style & (WS_CHILD | WS_POPUP)))
739 rc_work = mon_info.rcWork;
740 }
741
742 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
743 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
744 {
745 MinMax.ptMaxSize.x = (rc_work.right - rc_work.left) + 2 * xinc;
746 MinMax.ptMaxSize.y = (rc_work.bottom - rc_work.top) + 2 * yinc;
747 }
748 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
749 {
750 MinMax.ptMaxPosition.x = rc_work.left - xinc;
751 MinMax.ptMaxPosition.y = rc_work.top - yinc;
752 }
753 }
754
755 /* Some sanity checks */
756
757 TRACE("%d %d / %d %d / %d %d / %d %d\n",
758 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
759 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
760 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
761 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
762 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
763 MinMax.ptMinTrackSize.x );
764 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
765 MinMax.ptMinTrackSize.y );
766
767 if (maxSize) *maxSize = MinMax.ptMaxSize;
768 if (maxPos) *maxPos = MinMax.ptMaxPosition;
769 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
770 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
771 }
772
773
774 /***********************************************************************
775 * WINPOS_FindIconPos
776 *
777 * Find a suitable place for an iconic window.
778 */
779 static POINT WINPOS_FindIconPos( HWND hwnd, POINT pt )
780 {
781 RECT rect, rectParent;
782 HWND parent, child;
783 HRGN hrgn, tmp;
784 int xspacing, yspacing;
785
786 parent = GetAncestor( hwnd, GA_PARENT );
787 GetClientRect( parent, &rectParent );
788 if ((pt.x >= rectParent.left) && (pt.x + GetSystemMetrics(SM_CXICON) < rectParent.right) &&
789 (pt.y >= rectParent.top) && (pt.y + GetSystemMetrics(SM_CYICON) < rectParent.bottom))
790 return pt; /* The icon already has a suitable position */
791
792 xspacing = GetSystemMetrics(SM_CXICONSPACING);
793 yspacing = GetSystemMetrics(SM_CYICONSPACING);
794
795 /* Check if another icon already occupies this spot */
796 /* FIXME: this is completely inefficient */
797
798 hrgn = CreateRectRgn( 0, 0, 0, 0 );
799 tmp = CreateRectRgn( 0, 0, 0, 0 );
800 for (child = GetWindow( parent, GW_HWNDFIRST ); child; child = GetWindow( child, GW_HWNDNEXT ))
801 {
802 WND *childPtr;
803 if (child == hwnd) continue;
804 if ((GetWindowLongW( child, GWL_STYLE ) & (WS_VISIBLE|WS_MINIMIZE)) != (WS_VISIBLE|WS_MINIMIZE))
805 continue;
806 if (!(childPtr = WIN_GetPtr( child )) || childPtr == WND_OTHER_PROCESS)
807 continue;
808 SetRectRgn( tmp, childPtr->rectWindow.left, childPtr->rectWindow.top,
809 childPtr->rectWindow.right, childPtr->rectWindow.bottom );
810 CombineRgn( hrgn, hrgn, tmp, RGN_OR );
811 WIN_ReleasePtr( childPtr );
812 }
813 DeleteObject( tmp );
814
815 for (rect.bottom = rectParent.bottom; rect.bottom >= yspacing; rect.bottom -= yspacing)
816 {
817 for (rect.left = rectParent.left; rect.left <= rectParent.right - xspacing; rect.left += xspacing)
818 {
819 rect.right = rect.left + xspacing;
820 rect.top = rect.bottom - yspacing;
821 if (!RectInRegion( hrgn, &rect ))
822 {
823 /* No window was found, so it's OK for us */
824 pt.x = rect.left + (xspacing - GetSystemMetrics(SM_CXICON)) / 2;
825 pt.y = rect.top + (yspacing - GetSystemMetrics(SM_CYICON)) / 2;
826 DeleteObject( hrgn );
827 return pt;
828 }
829 }
830 }
831 DeleteObject( hrgn );
832 pt.x = pt.y = 0;
833 return pt;
834 }
835
836
837 /***********************************************************************
838 * WINPOS_MinMaximize
839 */
840 UINT WINPOS_MinMaximize( HWND hwnd, UINT cmd, LPRECT rect )
841 {
842 WND *wndPtr;
843 UINT swpFlags = 0;
844 POINT size;
845 LONG old_style;
846 WINDOWPLACEMENT wpl;
847
848 TRACE("%p %u\n", hwnd, cmd );
849
850 wpl.length = sizeof(wpl);
851 GetWindowPlacement( hwnd, &wpl );
852
853 if (HOOK_CallHooks( WH_CBT, HCBT_MINMAX, (WPARAM)hwnd, cmd, TRUE ))
854 return SWP_NOSIZE | SWP_NOMOVE;
855
856 if (IsIconic( hwnd ))
857 {
858 switch (cmd)
859 {
860 case SW_SHOWMINNOACTIVE:
861 case SW_SHOWMINIMIZED:
862 case SW_FORCEMINIMIZE:
863 case SW_MINIMIZE:
864 return SWP_NOSIZE | SWP_NOMOVE;
865 }
866 if (!SendMessageW( hwnd, WM_QUERYOPEN, 0, 0 )) return SWP_NOSIZE | SWP_NOMOVE;
867 swpFlags |= SWP_NOCOPYBITS;
868 }
869
870 switch( cmd )
871 {
872 case SW_SHOWMINNOACTIVE:
873 case SW_SHOWMINIMIZED:
874 case SW_FORCEMINIMIZE:
875 case SW_MINIMIZE:
876 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
877 if( wndPtr->dwStyle & WS_MAXIMIZE) wndPtr->flags |= WIN_RESTORE_MAX;
878 else wndPtr->flags &= ~WIN_RESTORE_MAX;
879 WIN_ReleasePtr( wndPtr );
880
881 old_style = WIN_SetStyle( hwnd, WS_MINIMIZE, WS_MAXIMIZE );
882
883 wpl.ptMinPosition = WINPOS_FindIconPos( hwnd, wpl.ptMinPosition );
884
885 if (!(old_style & WS_MINIMIZE)) swpFlags |= SWP_STATECHANGED;
886 SetRect( rect, wpl.ptMinPosition.x, wpl.ptMinPosition.y,
887 wpl.ptMinPosition.x + GetSystemMetrics(SM_CXICON),
888 wpl.ptMinPosition.y + GetSystemMetrics(SM_CYICON) );
889 swpFlags |= SWP_NOCOPYBITS;
890 break;
891
892 case SW_MAXIMIZE:
893 old_style = GetWindowLongW( hwnd, GWL_STYLE );
894 if ((old_style & WS_MAXIMIZE) && (old_style & WS_VISIBLE)) return SWP_NOSIZE | SWP_NOMOVE;
895
896 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL );
897
898 old_style = WIN_SetStyle( hwnd, WS_MAXIMIZE, WS_MINIMIZE );
899 if (old_style & WS_MINIMIZE) WINPOS_ShowIconTitle( hwnd, FALSE );
900
901 if (!(old_style & WS_MAXIMIZE)) swpFlags |= SWP_STATECHANGED;
902 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
903 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
904 break;
905
906 case SW_SHOWNOACTIVATE:
907 case SW_SHOWNORMAL:
908 case SW_RESTORE:
909 old_style = WIN_SetStyle( hwnd, 0, WS_MINIMIZE | WS_MAXIMIZE );
910 if (old_style & WS_MINIMIZE)
911 {
912 BOOL restore_max;
913
914 WINPOS_ShowIconTitle( hwnd, FALSE );
915
916 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
917 restore_max = (wndPtr->flags & WIN_RESTORE_MAX) != 0;
918 WIN_ReleasePtr( wndPtr );
919 if (restore_max)
920 {
921 /* Restore to maximized position */
922 WINPOS_GetMinMaxInfo( hwnd, &size, &wpl.ptMaxPosition, NULL, NULL);
923 WIN_SetStyle( hwnd, WS_MAXIMIZE, 0 );
924 swpFlags |= SWP_STATECHANGED;
925 SetRect( rect, wpl.ptMaxPosition.x, wpl.ptMaxPosition.y,
926 wpl.ptMaxPosition.x + size.x, wpl.ptMaxPosition.y + size.y );
927 break;
928 }
929 }
930 else if (!(old_style & WS_MAXIMIZE)) break;
931
932 swpFlags |= SWP_STATECHANGED;
933
934 /* Restore to normal position */
935
936 *rect = wpl.rcNormalPosition;
937 break;
938 }
939
940 return swpFlags;
941 }
942
943
944 /***********************************************************************
945 * show_window
946 *
947 * Implementation of ShowWindow and ShowWindowAsync.
948 */
949 static BOOL show_window( HWND hwnd, INT cmd )
950 {
951 WND *wndPtr;
952 HWND parent;
953 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
954 BOOL wasVisible = (style & WS_VISIBLE) != 0;
955 BOOL showFlag = TRUE;
956 RECT newPos = {0, 0, 0, 0};
957 UINT swp = 0;
958
959 TRACE("hwnd=%p, cmd=%d, wasVisible %d\n", hwnd, cmd, wasVisible);
960
961 switch(cmd)
962 {
963 case SW_HIDE:
964 if (!wasVisible) return FALSE;
965 showFlag = FALSE;
966 swp |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE;
967 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
968 break;
969
970 case SW_SHOWMINNOACTIVE:
971 case SW_MINIMIZE:
972 case SW_FORCEMINIMIZE: /* FIXME: Does not work if thread is hung. */
973 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
974 /* fall through */
975 case SW_SHOWMINIMIZED:
976 swp |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
977 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
978 if ((style & WS_MINIMIZE) && wasVisible) return TRUE;
979 break;
980
981 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE */
982 if (!wasVisible) swp |= SWP_SHOWWINDOW;
983 swp |= SWP_FRAMECHANGED;
984 swp |= WINPOS_MinMaximize( hwnd, SW_MAXIMIZE, &newPos );
985 if ((style & WS_MAXIMIZE) && wasVisible) return TRUE;
986 break;
987
988 case SW_SHOWNA:
989 swp |= SWP_NOACTIVATE | SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
990 if (style & WS_CHILD) swp |= SWP_NOZORDER;
991 break;
992 case SW_SHOW:
993 if (wasVisible) return TRUE;
994 swp |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
995 if (style & WS_CHILD) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
996 break;
997
998 case SW_SHOWNOACTIVATE:
999 swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1000 /* fall through */
1001 case SW_RESTORE:
1002 /* fall through */
1003 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
1004 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
1005 if (!wasVisible) swp |= SWP_SHOWWINDOW;
1006 if (style & (WS_MINIMIZE | WS_MAXIMIZE))
1007 {
1008 swp |= SWP_FRAMECHANGED;
1009 swp |= WINPOS_MinMaximize( hwnd, cmd, &newPos );
1010 }
1011 else
1012 {
1013 if (wasVisible) return TRUE;
1014 swp |= SWP_NOSIZE | SWP_NOMOVE;
1015 }
1016 if (style & WS_CHILD && !(swp & SWP_STATECHANGED)) swp |= SWP_NOACTIVATE | SWP_NOZORDER;
1017 break;
1018 default:
1019 return wasVisible;
1020 }
1021
1022 if ((showFlag != wasVisible || cmd == SW_SHOWNA) && cmd != SW_SHOWMAXIMIZED && !(swp & SWP_STATECHANGED))
1023 {
1024 SendMessageW( hwnd, WM_SHOWWINDOW, showFlag, 0 );
1025 if (!IsWindow( hwnd )) return wasVisible;
1026 }
1027
1028 swp = USER_Driver->pShowWindow( hwnd, cmd, &newPos, swp );
1029
1030 parent = GetAncestor( hwnd, GA_PARENT );
1031 if (parent && !IsWindowVisible( parent ) && !(swp & SWP_STATECHANGED))
1032 {
1033 /* if parent is not visible simply toggle WS_VISIBLE and return */
1034 if (showFlag) WIN_SetStyle( hwnd, WS_VISIBLE, 0 );
1035 else WIN_SetStyle( hwnd, 0, WS_VISIBLE );
1036 }
1037 else
1038 SetWindowPos( hwnd, HWND_TOP, newPos.left, newPos.top,
1039 newPos.right - newPos.left, newPos.bottom - newPos.top, swp );
1040
1041 if (cmd == SW_HIDE)
1042 {
1043 HWND hFocus;
1044
1045 WINPOS_ShowIconTitle( hwnd, FALSE );
1046
1047 /* FIXME: This will cause the window to be activated irrespective
1048 * of whether it is owned by the same thread. Has to be done
1049 * asynchronously.
1050 */
1051
1052 if (hwnd == GetActiveWindow())
1053 WINPOS_ActivateOtherWindow(hwnd);
1054
1055 /* Revert focus to parent */
1056 hFocus = GetFocus();
1057 if (hwnd == hFocus || IsChild(hwnd, hFocus))
1058 {
1059 HWND parent = GetAncestor(hwnd, GA_PARENT);
1060 if (parent == GetDesktopWindow()) parent = 0;
1061 SetFocus(parent);
1062 }
1063 return wasVisible;
1064 }
1065
1066 if (IsIconic(hwnd)) WINPOS_ShowIconTitle( hwnd, TRUE );
1067
1068 if (!(wndPtr = WIN_GetPtr( hwnd )) || wndPtr == WND_OTHER_PROCESS) return wasVisible;
1069
1070 if (wndPtr->flags & WIN_NEED_SIZE)
1071 {
1072 /* should happen only in CreateWindowEx() */
1073 int wParam = SIZE_RESTORED;
1074 RECT client = wndPtr->rectClient;
1075
1076 wndPtr->flags &= ~WIN_NEED_SIZE;
1077 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
1078 else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
1079 WIN_ReleasePtr( wndPtr );
1080
1081 SendMessageW( hwnd, WM_SIZE, wParam,
1082 MAKELONG( client.right - client.left, client.bottom - client.top ));
1083 SendMessageW( hwnd, WM_MOVE, 0, MAKELONG( client.left, client.top ));
1084 }
1085 else WIN_ReleasePtr( wndPtr );
1086
1087 /* if previous state was minimized Windows sets focus to the window */
1088 if (style & WS_MINIMIZE) SetFocus( hwnd );
1089
1090 return wasVisible;
1091 }
1092
1093
1094 /***********************************************************************
1095 * ShowWindowAsync (USER32.@)
1096 *
1097 * doesn't wait; returns immediately.
1098 * used by threads to toggle windows in other (possibly hanging) threads
1099 */
1100 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
1101 {
1102 HWND full_handle;
1103
1104 if (is_broadcast(hwnd))
1105 {
1106 SetLastError( ERROR_INVALID_PARAMETER );
1107 return FALSE;
1108 }
1109
1110 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1111 return show_window( full_handle, cmd );
1112
1113 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1114 }
1115
1116
1117 /***********************************************************************
1118 * ShowWindow (USER32.@)
1119 */
1120 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
1121 {
1122 HWND full_handle;
1123
1124 if (is_broadcast(hwnd))
1125 {
1126 SetLastError( ERROR_INVALID_PARAMETER );
1127 return FALSE;
1128 }
1129 if ((full_handle = WIN_IsCurrentThread( hwnd )))
1130 return show_window( full_handle, cmd );
1131
1132 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
1133 }
1134
1135
1136 /***********************************************************************
1137 * GetInternalWindowPos (USER32.@)
1138 */
1139 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
1140 LPPOINT ptIcon )
1141 {
1142 WINDOWPLACEMENT wndpl;
1143 if (GetWindowPlacement( hwnd, &wndpl ))
1144 {
1145 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
1146 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
1147 return wndpl.showCmd;
1148 }
1149 return 0;
1150 }
1151
1152
1153 /***********************************************************************
1154 * GetWindowPlacement (USER32.@)
1155 *
1156 * Win95:
1157 * Fails if wndpl->length of Win95 (!) apps is invalid.
1158 */
1159 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
1160 {
1161 WND *pWnd = WIN_GetPtr( hwnd );
1162
1163 if (!pWnd) return FALSE;
1164
1165 if (pWnd == WND_DESKTOP)
1166 {
1167 wndpl->length = sizeof(*wndpl);
1168 wndpl->showCmd = SW_SHOWNORMAL;
1169 wndpl->flags = 0;
1170 wndpl->ptMinPosition.x = -1;
1171 wndpl->ptMinPosition.y = -1;
1172 wndpl->ptMaxPosition.x = -1;
1173 wndpl->ptMaxPosition.y = -1;
1174 GetWindowRect( hwnd, &wndpl->rcNormalPosition );
1175 return TRUE;
1176 }
1177 if (pWnd == WND_OTHER_PROCESS)
1178 {
1179 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
1180 return FALSE;
1181 }
1182
1183 /* update the placement according to the current style */
1184 if (pWnd->dwStyle & WS_MINIMIZE)
1185 {
1186 pWnd->min_pos.x = pWnd->rectWindow.left;
1187 pWnd->min_pos.y = pWnd->rectWindow.top;
1188 }
1189 else if (pWnd->dwStyle & WS_MAXIMIZE)
1190 {
1191 pWnd->max_pos.x = pWnd->rectWindow.left;
1192 pWnd->max_pos.y = pWnd->rectWindow.top;
1193 }
1194 else
1195 {
1196 pWnd->normal_rect = pWnd->rectWindow;
1197 }
1198
1199 wndpl->length = sizeof(*wndpl);
1200 if( pWnd->dwStyle & WS_MINIMIZE )
1201 wndpl->showCmd = SW_SHOWMINIMIZED;
1202 else
1203 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
1204 if( pWnd->flags & WIN_RESTORE_MAX )
1205 wndpl->flags = WPF_RESTORETOMAXIMIZED;
1206 else
1207 wndpl->flags = 0;
1208 wndpl->ptMinPosition = pWnd->min_pos;
1209 wndpl->ptMaxPosition = pWnd->max_pos;
1210 wndpl->rcNormalPosition = pWnd->normal_rect;
1211 WIN_ReleasePtr( pWnd );
1212
1213 TRACE( "%p: returning min %d,%d max %d,%d normal %s\n",
1214 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1215 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1216 wine_dbgstr_rect(&wndpl->rcNormalPosition) );
1217 return TRUE;
1218 }
1219
1220 /* make sure the specified rect is visible on screen */
1221 static void make_rect_onscreen( RECT *rect )
1222 {
1223 MONITORINFO info;
1224 HMONITOR monitor = MonitorFromRect( rect, MONITOR_DEFAULTTONEAREST );
1225
1226 info.cbSize = sizeof(info);
1227 if (!monitor || !GetMonitorInfoW( monitor, &info )) return;
1228 /* FIXME: map coordinates from rcWork to rcMonitor */
1229 if (rect->right <= info.rcWork.left)
1230 {
1231 rect->right += info.rcWork.left - rect->left;
1232 rect->left = info.rcWork.left;
1233 }
1234 else if (rect->left >= info.rcWork.right)
1235 {
1236 rect->left += info.rcWork.right - rect->right;
1237 rect->right = info.rcWork.right;
1238 }
1239 if (rect->bottom <= info.rcWork.top)
1240 {
1241 rect->bottom += info.rcWork.top - rect->top;
1242 rect->top = info.rcWork.top;
1243 }
1244 else if (rect->top >= info.rcWork.bottom)
1245 {
1246 rect->top += info.rcWork.bottom - rect->bottom;
1247 rect->bottom = info.rcWork.bottom;
1248 }
1249 }
1250
1251 /* make sure the specified point is visible on screen */
1252 static void make_point_onscreen( POINT *pt )
1253 {
1254 RECT rect;
1255
1256 SetRect( &rect, pt->x, pt->y, pt->x + 1, pt->y + 1 );
1257 make_rect_onscreen( &rect );
1258 pt->x = rect.left;
1259 pt->y = rect.top;
1260 }
1261
1262
1263 /***********************************************************************
1264 * WINPOS_SetPlacement
1265 */
1266 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
1267 {
1268 DWORD style;
1269 WND *pWnd = WIN_GetPtr( hwnd );
1270 WINDOWPLACEMENT wp = *wndpl;
1271
1272 if (flags & PLACE_MIN) make_point_onscreen( &wp.ptMinPosition );
1273 if (flags & PLACE_MAX) make_point_onscreen( &wp.ptMaxPosition );
1274 if (flags & PLACE_RECT) make_rect_onscreen( &wp.rcNormalPosition );
1275
1276 TRACE( "%p: setting min %d,%d max %d,%d normal %s flags %x ajusted to min %d,%d max %d,%d normal %s\n",
1277 hwnd, wndpl->ptMinPosition.x, wndpl->ptMinPosition.y,
1278 wndpl->ptMaxPosition.x, wndpl->ptMaxPosition.y,
1279 wine_dbgstr_rect(&wndpl->rcNormalPosition), flags,
1280 wp.ptMinPosition.x, wp.ptMinPosition.y, wp.ptMaxPosition.x, wp.ptMaxPosition.y,
1281 wine_dbgstr_rect(&wp.rcNormalPosition) );
1282
1283 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
1284
1285 if( flags & PLACE_MIN ) pWnd->min_pos = wp.ptMinPosition;
1286 if( flags & PLACE_MAX ) pWnd->max_pos = wp.ptMaxPosition;
1287 if( flags & PLACE_RECT) pWnd->normal_rect = wp.rcNormalPosition;
1288
1289 style = pWnd->dwStyle;
1290
1291 WIN_ReleasePtr( pWnd );
1292
1293 if( style & WS_MINIMIZE )
1294 {
1295 if (flags & PLACE_MIN)
1296 {
1297 WINPOS_ShowIconTitle( hwnd, FALSE );
1298 SetWindowPos( hwnd, 0, wp.ptMinPosition.x, wp.ptMinPosition.y, 0, 0,
1299 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1300 }
1301 }
1302 else if( style & WS_MAXIMIZE )
1303 {
1304 if (flags & PLACE_MAX)
1305 SetWindowPos( hwnd, 0, wp.ptMaxPosition.x, wp.ptMaxPosition.y, 0, 0,
1306 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1307 }
1308 else if( flags & PLACE_RECT )
1309 SetWindowPos( hwnd, 0, wp.rcNormalPosition.left, wp.rcNormalPosition.top,
1310 wp.rcNormalPosition.right - wp.rcNormalPosition.left,
1311 wp.rcNormalPosition.bottom - wp.rcNormalPosition.top,
1312 SWP_NOZORDER | SWP_NOACTIVATE );
1313
1314 ShowWindow( hwnd, wndpl->showCmd );
1315
1316 if (IsIconic( hwnd ))
1317 {
1318 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1319
1320 /* SDK: ...valid only the next time... */
1321 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1322 {
1323 pWnd = WIN_GetPtr( hwnd );
1324 if (pWnd && pWnd != WND_OTHER_PROCESS)
1325 {
1326 pWnd->flags |= WIN_RESTORE_MAX;
1327 WIN_ReleasePtr( pWnd );
1328 }
1329 }
1330 }
1331 return TRUE;
1332 }
1333
1334
1335 /***********************************************************************
1336 * SetWindowPlacement (USER32.@)
1337 *
1338 * Win95:
1339 * Fails if wndpl->length of Win95 (!) apps is invalid.
1340 */
1341 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1342 {
1343 UINT flags = PLACE_MAX | PLACE_RECT;
1344 if (!wpl) return FALSE;
1345 if (wpl->flags & WPF_SETMINPOSITION) flags |= PLACE_MIN;
1346 return WINPOS_SetPlacement( hwnd, wpl, flags );
1347 }
1348
1349
1350 /***********************************************************************
1351 * AnimateWindow (USER32.@)
1352 * Shows/Hides a window with an animation
1353 * NO ANIMATION YET
1354 */
1355 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1356 {
1357 FIXME("partial stub\n");
1358
1359 /* If trying to show/hide and it's already *
1360 * shown/hidden or invalid window, fail with *
1361 * invalid parameter */
1362 if(!IsWindow(hwnd) ||
1363 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1364 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1365 {
1366 SetLastError(ERROR_INVALID_PARAMETER);
1367 return FALSE;
1368 }
1369
1370 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1371
1372 return TRUE;
1373 }
1374
1375 /***********************************************************************
1376 * SetInternalWindowPos (USER32.@)
1377 */
1378 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1379 LPRECT rect, LPPOINT pt )
1380 {
1381 WINDOWPLACEMENT wndpl;
1382 UINT flags;
1383
1384 wndpl.length = sizeof(wndpl);
1385 wndpl.showCmd = showCmd;
1386 wndpl.flags = flags = 0;
1387
1388 if( pt )
1389 {
1390 flags |= PLACE_MIN;
1391 wndpl.flags |= WPF_SETMINPOSITION;
1392 wndpl.ptMinPosition = *pt;
1393 }
1394 if( rect )
1395 {
1396 flags |= PLACE_RECT;
1397 wndpl.rcNormalPosition = *rect;
1398 }
1399 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1400 }
1401
1402
1403 /*******************************************************************
1404 * can_activate_window
1405 *
1406 * Check if we can activate the specified window.
1407 */
1408 static BOOL can_activate_window( HWND hwnd )
1409 {
1410 LONG style;
1411
1412 if (!hwnd) return FALSE;
1413 style = GetWindowLongW( hwnd, GWL_STYLE );
1414 if (!(style & WS_VISIBLE)) return FALSE;
1415 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1416 return !(style & WS_DISABLED);
1417 }
1418
1419
1420 /*******************************************************************
1421 * WINPOS_ActivateOtherWindow
1422 *
1423 * Activates window other than pWnd.
1424 */
1425 void WINPOS_ActivateOtherWindow(HWND hwnd)
1426 {
1427 HWND hwndTo, fg;
1428
1429 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1430 {
1431 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1432 if (can_activate_window( hwndTo )) goto done;
1433 }
1434
1435 hwndTo = hwnd;
1436 for (;;)
1437 {
1438 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1439 if (can_activate_window( hwndTo )) break;
1440 }
1441
1442 done:
1443 fg = GetForegroundWindow();
1444 TRACE("win = %p fg = %p\n", hwndTo, fg);
1445 if (!fg || (hwnd == fg))
1446 {
1447 if (SetForegroundWindow( hwndTo )) return;
1448 }
1449 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1450 }
1451
1452
1453 /***********************************************************************
1454 * WINPOS_HandleWindowPosChanging
1455 *
1456 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1457 */
1458 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1459 {
1460 POINT minTrack, maxTrack;
1461 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1462
1463 if (winpos->flags & SWP_NOSIZE) return 0;
1464 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1465 {
1466 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1467 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1468 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1469 if (!(style & WS_MINIMIZE))
1470 {
1471 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1472 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1473 }
1474 }
1475 return 0;
1476 }
1477
1478
1479 /***********************************************************************
1480 * dump_winpos_flags
1481 */
1482 static void dump_winpos_flags(UINT flags)
1483 {
1484 static const DWORD dumped_flags = (SWP_NOSIZE | SWP_NOMOVE | SWP_NOZORDER | SWP_NOREDRAW |
1485 SWP_NOACTIVATE | SWP_FRAMECHANGED | SWP_SHOWWINDOW |
1486 SWP_HIDEWINDOW | SWP_NOCOPYBITS | SWP_NOOWNERZORDER |
1487 SWP_NOSENDCHANGING | SWP_DEFERERASE | SWP_ASYNCWINDOWPOS |
1488 SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE | SWP_STATECHANGED);
1489 TRACE("flags:");
1490 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1491 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1492 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1493 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1494 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1495 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1496 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1497 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1498 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1499 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1500 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1501 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1502 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1503 if(flags & SWP_NOCLIENTSIZE) TRACE(" SWP_NOCLIENTSIZE");
1504 if(flags & SWP_NOCLIENTMOVE) TRACE(" SWP_NOCLIENTMOVE");
1505 if(flags & SWP_STATECHANGED) TRACE(" SWP_STATECHANGED");
1506
1507 if(flags & ~dumped_flags) TRACE(" %08x", flags & ~dumped_flags);
1508 TRACE("\n");
1509 }
1510
1511 /***********************************************************************
1512 * SWP_DoWinPosChanging
1513 */
1514 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1515 {
1516 WND *wndPtr;
1517
1518 /* Send WM_WINDOWPOSCHANGING message */
1519
1520 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1521 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1522
1523 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1524 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1525
1526 /* Calculate new position and size */
1527
1528 *pNewWindowRect = wndPtr->rectWindow;
1529 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1530 : wndPtr->rectClient;
1531
1532 if (!(pWinpos->flags & SWP_NOSIZE))
1533 {
1534 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1535 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1536 }
1537 if (!(pWinpos->flags & SWP_NOMOVE))
1538 {
1539 pNewWindowRect->left = pWinpos->x;
1540 pNewWindowRect->top = pWinpos->y;
1541 pNewWindowRect->right += pWinpos->x - wndPtr->rectWindow.left;
1542 pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1543
1544 OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1545 pWinpos->y - wndPtr->rectWindow.top );
1546 }
1547 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1548
1549 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1550 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1551 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1552 TRACE( "current %s style %08x new %s\n",
1553 wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1554 wine_dbgstr_rect( pNewWindowRect ));
1555
1556 WIN_ReleasePtr( wndPtr );
1557 return TRUE;
1558 }
1559
1560 /***********************************************************************
1561 * get_valid_rects
1562 *
1563 * Compute the valid rects from the old and new client rect and WVR_* flags.
1564 * Helper for WM_NCCALCSIZE handling.
1565 */
1566 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1567 RECT *valid )
1568 {
1569 int cx, cy;
1570
1571 if (flags & WVR_REDRAW)
1572 {
1573 SetRectEmpty( &valid[0] );
1574 SetRectEmpty( &valid[1] );
1575 return;
1576 }
1577
1578 if (flags & WVR_VALIDRECTS)
1579 {
1580 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1581 !IntersectRect( &valid[1], &valid[1], old_client ))
1582 {
1583 SetRectEmpty( &valid[0] );
1584 SetRectEmpty( &valid[1] );
1585 return;
1586 }
1587 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1588 }
1589 else
1590 {
1591 valid[0] = *new_client;
1592 valid[1] = *old_client;
1593 }
1594
1595 /* make sure the rectangles have the same size */
1596 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1597 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1598
1599 if (flags & WVR_ALIGNBOTTOM)
1600 {
1601 valid[0].top = valid[0].bottom - cy;
1602 valid[1].top = valid[1].bottom - cy;
1603 }
1604 else
1605 {
1606 valid[0].bottom = valid[0].top + cy;
1607 valid[1].bottom = valid[1].top + cy;
1608 }
1609 if (flags & WVR_ALIGNRIGHT)
1610 {
1611 valid[0].left = valid[0].right - cx;
1612 valid[1].left = valid[1].right - cx;
1613 }
1614 else
1615 {
1616 valid[0].right = valid[0].left + cx;
1617 valid[1].right = valid[1].left + cx;
1618 }
1619 }
1620
1621
1622 /***********************************************************************
1623 * SWP_DoOwnedPopups
1624 *
1625 * fix Z order taking into account owned popups -
1626 * basically we need to maintain them above the window that owns them
1627 *
1628 * FIXME: hide/show owned popups when owner visibility changes.
1629 */
1630 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1631 {
1632 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1633 HWND owner, *list = NULL;
1634 unsigned int i;
1635
1636 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1637
1638 if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1639 {
1640 /* make sure this popup stays above the owner */
1641
1642 if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
1643 {
1644 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1645
1646 for (i = 0; list[i]; i++)
1647 {
1648 if (list[i] == owner)
1649 {
1650 if (i > 0) hwndInsertAfter = list[i-1];
1651 else hwndInsertAfter = HWND_TOP;
1652 break;
1653 }
1654
1655 if (hwndInsertAfter == HWND_NOTOPMOST)
1656 {
1657 if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
1658 }
1659 else if (list[i] == hwndInsertAfter) break;
1660 }
1661 }
1662 }
1663 else if (style & WS_CHILD) return hwndInsertAfter;
1664
1665 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1666 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1667
1668 i = 0;
1669 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1670 {
1671 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1672 {
1673 /* skip all the topmost windows */
1674 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1675 }
1676 }
1677 else if (hwndInsertAfter != HWND_TOPMOST)
1678 {
1679 /* skip windows that are already placed correctly */
1680 for (i = 0; list[i]; i++)
1681 {
1682 if (list[i] == hwndInsertAfter) break;
1683 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1684 }
1685 }
1686
1687 for ( ; list[i]; i++)
1688 {
1689 if (list[i] == hwnd) break;
1690 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1691 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1692 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1693 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1694 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1695 hwndInsertAfter = list[i];
1696 }
1697
1698 done:
1699 HeapFree( GetProcessHeap(), 0, list );
1700 return hwndInsertAfter;
1701 }
1702
1703 /***********************************************************************
1704 * SWP_DoNCCalcSize
1705 */
1706 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1707 RECT *validRects )
1708 {
1709 UINT wvrFlags = 0;
1710 WND *wndPtr;
1711
1712 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1713
1714 /* Send WM_NCCALCSIZE message to get new client area */
1715 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1716 {
1717 NCCALCSIZE_PARAMS params;
1718 WINDOWPOS winposCopy;
1719
1720 params.rgrc[0] = *pNewWindowRect;
1721 params.rgrc[1] = wndPtr->rectWindow;
1722 params.rgrc[2] = wndPtr->rectClient;
1723 params.lppos = &winposCopy;
1724 winposCopy = *pWinpos;
1725 WIN_ReleasePtr( wndPtr );
1726
1727 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1728
1729 *pNewClientRect = params.rgrc[0];
1730
1731 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1732
1733 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1734 wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1735 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1736
1737 if( pNewClientRect->left != wndPtr->rectClient.left ||
1738 pNewClientRect->top != wndPtr->rectClient.top )
1739 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1740
1741 if( (pNewClientRect->right - pNewClientRect->left !=
1742 wndPtr->rectClient.right - wndPtr->rectClient.left))
1743 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1744 else
1745 wvrFlags &= ~WVR_HREDRAW;
1746
1747 if (pNewClientRect->bottom - pNewClientRect->top !=
1748 wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1749 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1750 else
1751 wvrFlags &= ~WVR_VREDRAW;
1752
1753 validRects[0] = params.rgrc[1];
1754 validRects[1] = params.rgrc[2];
1755 }
1756 else
1757 {
1758 if (!(pWinpos->flags & SWP_NOMOVE) &&
1759 (pNewClientRect->left != wndPtr->rectClient.left ||
1760 pNewClientRect->top != wndPtr->rectClient.top))
1761 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1762 }
1763
1764 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1765 {
1766 SetRectEmpty( &validRects[0] );
1767 SetRectEmpty( &validRects[1] );
1768 }
1769 else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1770
1771 WIN_ReleasePtr( wndPtr );
1772 return wvrFlags;
1773 }
1774
1775 /* fix redundant flags and values in the WINDOWPOS structure */
1776 static BOOL fixup_flags( WINDOWPOS *winpos )
1777 {
1778 HWND parent;
1779 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1780 BOOL ret = TRUE;
1781
1782 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1783 {
1784 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1785 return FALSE;
1786 }
1787 winpos->hwnd = wndPtr->hwndSelf; /* make it a full handle */
1788
1789 /* Finally make sure that all coordinates are valid */
1790 if (winpos->x < -32768) winpos->x = -32768;
1791 else if (winpos->x > 32767) winpos->x = 32767;
1792 if (winpos->y < -32768) winpos->y = -32768;
1793 else if (winpos->y > 32767) winpos->y = 32767;
1794
1795 if (winpos->cx < 0) winpos->cx = 0;
1796 else if (winpos->cx > 32767) winpos->cx = 32767;
1797 if (winpos->cy < 0) winpos->cy = 0;
1798 else if (winpos->cy > 32767) winpos->cy = 32767;
1799
1800 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1801 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1802
1803 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1804 else
1805 {
1806 winpos->flags &= ~SWP_HIDEWINDOW;
1807 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1808 }
1809
1810 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1811 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1812 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1813
1814 if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1815 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1816
1817 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1818 {
1819 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1820 (winpos->flags & SWP_NOZORDER ||
1821 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1822 {
1823 winpos->flags &= ~SWP_NOZORDER;
1824 winpos->hwndInsertAfter = HWND_TOP;
1825 }
1826 }
1827
1828 /* Check hwndInsertAfter */
1829 if (winpos->flags & SWP_NOZORDER) goto done;
1830
1831 /* fix sign extension */
1832 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1833 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1834
1835 /* hwndInsertAfter must be a sibling of the window */
1836 if (winpos->hwndInsertAfter == HWND_TOP)
1837 {
1838 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1839 winpos->flags |= SWP_NOZORDER;
1840 }
1841 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1842 {
1843 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1844 winpos->flags |= SWP_NOZORDER;
1845 }
1846 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1847 {
1848 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1849 winpos->flags |= SWP_NOZORDER;
1850 }
1851 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1852 {
1853 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1854 winpos->flags |= SWP_NOZORDER;
1855 }
1856 else
1857 {
1858 if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1859 else
1860 {
1861 /* don't need to change the Zorder of hwnd if it's already inserted
1862 * after hwndInsertAfter or when inserting hwnd after itself.
1863 */
1864 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1865 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1866 winpos->flags |= SWP_NOZORDER;
1867 }
1868 }
1869 done:
1870 WIN_ReleasePtr( wndPtr );
1871 return ret;
1872 }
1873
1874
1875 /***********************************************************************
1876 * set_window_pos
1877 *
1878 * Backend implementation of SetWindowPos.
1879 */
1880 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1881 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1882 {
1883 WND *win;
1884 BOOL ret;
1885 RECT visible_rect, old_window_rect;
1886
1887 visible_rect = *window_rect;
1888 USER_Driver->pWindowPosChanging( hwnd, insert_after, swp_flags,
1889 window_rect, client_rect, &visible_rect );
1890
1891 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1892 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1893
1894 old_window_rect = win->rectWindow;
1895 SERVER_START_REQ( set_window_pos )
1896 {
1897 req->handle = hwnd;
1898 req->previous = insert_after;
1899 req->flags = swp_flags;
1900 req->window.left = window_rect->left;
1901 req->window.top = window_rect->top;
1902 req->window.right = window_rect->right;
1903 req->window.bottom = window_rect->bottom;
1904 req->client.left = client_rect->left;
1905 req->client.top = client_rect->top;
1906 req->client.right = client_rect->right;
1907 req->client.bottom = client_rect->bottom;
1908 if (memcmp( window_rect, &visible_rect, sizeof(RECT) ) || !IsRectEmpty( &valid_rects[0] ))
1909 {
1910 wine_server_add_data( req, &visible_rect, sizeof(visible_rect) );
1911 if (!IsRectEmpty( &valid_rects[0] ))
1912 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1913 }
1914 if ((ret = !wine_server_call( req )))
1915 {
1916 win->dwStyle = reply->new_style;
1917 win->dwExStyle = reply->new_ex_style;
1918 win->rectWindow = *window_rect;
1919 win->rectClient = *client_rect;
1920 }
1921 }
1922 SERVER_END_REQ;
1923 WIN_ReleasePtr( win );
1924
1925 if (ret)
1926 {
1927 if (((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) ||
1928 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW | SWP_STATECHANGED)))
1929 invalidate_dce( hwnd, &old_window_rect );
1930
1931 USER_Driver->pWindowPosChanged( hwnd, insert_after, swp_flags, window_rect,
1932 client_rect, &visible_rect, valid_rects );
1933 }
1934 return ret;
1935 }
1936
1937
1938 /***********************************************************************
1939 * USER_SetWindowPos
1940 *
1941 * User32 internal function
1942 */
1943 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1944 {
1945 RECT newWindowRect, newClientRect, valid_rects[2];
1946 UINT orig_flags;
1947
1948 orig_flags = winpos->flags;
1949
1950 /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1951 if (!(winpos->flags & SWP_NOMOVE))
1952 {
1953 if (winpos->x < -32768) winpos->x = -32768;
1954 else if (winpos->x > 32767) winpos->x = 32767;
1955 if (winpos->y < -32768) winpos->y = -32768;
1956 else if (winpos->y > 32767) winpos->y = 32767;
1957 }
1958 if (!(winpos->flags & SWP_NOSIZE))
1959 {
1960 if (winpos->cx < 0) winpos->cx = 0;
1961 else if (winpos->cx > 32767) winpos->cx = 32767;
1962 if (winpos->cy < 0) winpos->cy = 0;
1963 else if (winpos->cy > 32767) winpos->cy = 32767;
1964 }
1965
1966 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1967
1968 /* Fix redundant flags */
1969 if (!fixup_flags( winpos )) return FALSE;
1970
1971 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1972 {
1973 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1974 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1975 }
1976
1977 /* Common operations */
1978
1979 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1980
1981 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
1982 &newWindowRect, &newClientRect, valid_rects ))
1983 return FALSE;
1984
1985 /* erase parent when hiding or resizing child */
1986 if (!(orig_flags & SWP_DEFERERASE) &&
1987 ((orig_flags & SWP_HIDEWINDOW) ||
1988 (!(orig_flags & SWP_SHOWWINDOW) &&
1989 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1990 {
1991 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1992 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1993 erase_now( parent, 0 );
1994 }
1995
1996 if( winpos->flags & SWP_HIDEWINDOW )
1997 HideCaret(winpos->hwnd);
1998 else if (winpos->flags & SWP_SHOWWINDOW)
1999 ShowCaret(winpos->hwnd);
2000
2001 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
2002 {
2003 /* child windows get WM_CHILDACTIVATE message */
2004 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
2005 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
2006 else
2007 SetForegroundWindow( winpos->hwnd );
2008 }
2009
2010 /* And last, send the WM_WINDOWPOSCHANGED message */
2011
2012 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2013
2014 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
2015 {
2016 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
2017 and always contains final window position.
2018 */
2019 winpos->x = newWindowRect.left;
2020 winpos->y = newWindowRect.top;
2021 winpos->cx = newWindowRect.right - newWindowRect.left;
2022 winpos->cy = newWindowRect.bottom - newWindowRect.top;
2023 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
2024 }
2025 return TRUE;
2026 }
2027
2028 /***********************************************************************
2029 * SetWindowPos (USER32.@)
2030 */
2031 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
2032 INT x, INT y, INT cx, INT cy, UINT flags )
2033 {
2034 WINDOWPOS winpos;
2035
2036 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2037 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
2038 if(TRACE_ON(win)) dump_winpos_flags(flags);
2039
2040 if (is_broadcast(hwnd))
2041 {
2042 SetLastError( ERROR_INVALID_PARAMETER );
2043 return FALSE;
2044 }
2045
2046 winpos.hwnd = WIN_GetFullHandle(hwnd);
2047 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
2048 winpos.x = x;
2049 winpos.y = y;
2050 winpos.cx = cx;
2051 winpos.cy = cy;
2052 winpos.flags = flags;
2053
2054 if (WIN_IsCurrentThread( hwnd ))
2055 return USER_SetWindowPos(&winpos);
2056
2057 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
2058 }
2059
2060
2061 /***********************************************************************
2062 * BeginDeferWindowPos (USER32.@)
2063 */
2064 HDWP WINAPI BeginDeferWindowPos( INT count )
2065 {
2066 HDWP handle;
2067 DWP *pDWP;
2068
2069 TRACE("%d\n", count);
2070
2071 if (count < 0)
2072 {
2073 SetLastError(ERROR_INVALID_PARAMETER);
2074 return 0;
2075 }
2076 /* Windows allows zero count, in which case it allocates context for 8 moves */
2077 if (count == 0) count = 8;
2078
2079 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
2080 if (!handle) return 0;
2081 pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
2082 pDWP->actualCount = 0;
2083 pDWP->suggestedCount = count;
2084 pDWP->valid = TRUE;
2085 pDWP->wMagic = DWP_MAGIC;
2086 pDWP->hwndParent = 0;
2087
2088 TRACE("returning hdwp %p\n", handle);
2089 return handle;
2090 }
2091
2092
2093 /***********************************************************************
2094 * DeferWindowPos (USER32.@)
2095 */
2096 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
2097 INT x, INT y, INT cx, INT cy,
2098 UINT flags )
2099 {
2100 DWP *pDWP;
2101 int i;
2102 HDWP newhdwp = hdwp,retvalue;
2103
2104 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2105 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
2106
2107 hwnd = WIN_GetFullHandle( hwnd );
2108 if (is_desktop_window( hwnd )) return 0;
2109
2110 if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
2111
2112 USER_Lock();
2113
2114 for (i = 0; i < pDWP->actualCount; i++)
2115 {
2116 if (pDWP->winPos[i].hwnd == hwnd)
2117 {
2118 /* Merge with the other changes */
2119 if (!(flags & SWP_NOZORDER))
2120 {
2121 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
2122 }
2123 if (!(flags & SWP_NOMOVE))
2124 {
2125 pDWP->winPos[i].x = x;
2126 pDWP->winPos[i].y = y;
2127 }
2128 if (!(flags & SWP_NOSIZE))
2129 {
2130 pDWP->winPos[i].cx = cx;
2131 pDWP->winPos[i].cy = cy;
2132 }
2133 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
2134 SWP_NOZORDER | SWP_NOREDRAW |
2135 SWP_NOACTIVATE | SWP_NOCOPYBITS|
2136 SWP_NOOWNERZORDER);
2137 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2138 SWP_FRAMECHANGED);
2139 retvalue = hdwp;
2140 goto END;
2141 }
2142 }
2143 if (pDWP->actualCount >= pDWP->suggestedCount)
2144 {
2145 newhdwp = USER_HEAP_REALLOC( hdwp,
2146 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
2147 if (!newhdwp)
2148 {
2149 retvalue = 0;
2150 goto END;
2151 }
2152 pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2153 pDWP->suggestedCount++;
2154 }
2155 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2156 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2157 pDWP->winPos[pDWP->actualCount].x = x;
2158 pDWP->winPos[pDWP->actualCount].y = y;
2159 pDWP->winPos[pDWP->actualCount].cx = cx;
2160 pDWP->winPos[pDWP->actualCount].cy = cy;
2161 pDWP->winPos[pDWP->actualCount].flags = flags;
2162 pDWP->actualCount++;
2163 retvalue = newhdwp;
2164 END:
2165 USER_Unlock();
2166 return retvalue;
2167 }
2168
2169
2170 /***********************************************************************
2171 * EndDeferWindowPos (USER32.@)
2172 */
2173 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
2174 {
2175 DWP *pDWP;
2176 WINDOWPOS *winpos;
2177 BOOL res = TRUE;
2178 int i;
2179
2180 TRACE("%p\n", hdwp);
2181
2182 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2183 if (!pDWP) return FALSE;
2184 for (i = 0, winpos = pDWP->winPos; res && i < pDWP->actualCount; i++, winpos++)
2185 {
2186 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
2187 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
2188 winpos->cx, winpos->cy, winpos->flags);
2189
2190 if (WIN_IsCurrentThread( winpos->hwnd ))
2191 res = USER_SetWindowPos( winpos );
2192 else
2193 res = SendMessageW( winpos->hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)winpos );
2194 }
2195 USER_HEAP_FREE( hdwp );
2196 return res;
2197 }
2198
2199
2200 /***********************************************************************
2201 * ArrangeIconicWindows (USER32.@)
2202 */
2203 UINT WINAPI ArrangeIconicWindows( HWND parent )
2204 {
2205 RECT rectParent;
2206 HWND hwndChild;
2207 INT x, y, xspacing, yspacing;
2208
2209 GetClientRect( parent, &rectParent );
2210 x = rectParent.left;
2211 y = rectParent.bottom;
2212 xspacing = GetSystemMetrics(SM_CXICONSPACING);
2213 yspacing = GetSystemMetrics(SM_CYICONSPACING);
2214
2215 hwndChild = GetWindow( parent, GW_CHILD );
2216 while (hwndChild)
2217 {
2218 if( IsIconic( hwndChild ) )
2219 {
2220 WINPOS_ShowIconTitle( hwndChild, FALSE );
2221
2222 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
2223 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
2224 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
2225 if( IsWindow(hwndChild) )
2226 WINPOS_ShowIconTitle(hwndChild , TRUE );
2227
2228 if (x <= rectParent.right - xspacing) x += xspacing;
2229 else
2230 {
2231 x = rectParent.left;
2232 y -= yspacing;
2233 }
2234 }
2235 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
2236 }
2237 return yspacing;
2238 }
2239
2240
2241 /***********************************************************************
2242 * draw_moving_frame
2243 *
2244 * Draw the frame used when moving or resizing window.
2245 */
2246 static void draw_moving_frame( HDC hdc, RECT *rect, BOOL thickframe )
2247 {
2248 if (thickframe)
2249 {
2250 const int width = GetSystemMetrics(SM_CXFRAME);
2251 const int height = GetSystemMetrics(SM_CYFRAME);
2252
2253 HBRUSH hbrush = SelectObject( hdc, GetStockObject( GRAY_BRUSH ) );
2254 PatBlt( hdc, rect->left, rect->top,
2255 rect->right - rect->left - width, height, PATINVERT );
2256 PatBlt( hdc, rect->left, rect->top + height, width,
2257 rect->bottom - rect->top - height, PATINVERT );
2258 PatBlt( hdc, rect->left + width, rect->bottom - 1,
2259 rect->right - rect->left - width, -height, PATINVERT );
2260 PatBlt( hdc, rect->right - 1, rect->top, -width,
2261 rect->bottom - rect->top - height, PATINVERT );
2262 SelectObject( hdc, hbrush );
2263 }
2264 else DrawFocusRect( hdc, rect );
2265 }
2266
2267
2268 /***********************************************************************
2269 * start_size_move
2270 *
2271 * Initialization of a move or resize, when initiated from a menu choice.
2272 * Return hit test code for caption or sizing border.
2273 */
2274 static LONG start_size_move( HWND hwnd, WPARAM wParam, POINT *capturePoint, LONG style )
2275 {
2276 LONG hittest = 0;
2277 POINT pt;
2278 MSG msg;
2279 RECT rectWindow;
2280
2281 GetWindowRect( hwnd, &rectWindow );
2282
2283 if ((wParam & 0xfff0) == SC_MOVE)
2284 {
2285 /* Move pointer at the center of the caption */
2286 RECT rect = rectWindow;
2287 /* Note: to be exactly centered we should take the different types
2288 * of border into account, but it shouldn't make more than a few pixels
2289 * of difference so let's not bother with that */
2290 rect.top += GetSystemMetrics(SM_CYBORDER);
2291 if (style & WS_SYSMENU)
2292 rect.left += GetSystemMetrics(SM_CXSIZE) + 1;
2293 if (style & WS_MINIMIZEBOX)
2294 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2295 if (style & WS_MAXIMIZEBOX)
2296 rect.right -= GetSystemMetrics(SM_CXSIZE) + 1;
2297 pt.x = (rect.right + rect.left) / 2;
2298 pt.y = rect.top + GetSystemMetrics(SM_CYSIZE)/2;
2299 hittest = HTCAPTION;
2300 *capturePoint = pt;
2301 }
2302 else /* SC_SIZE */
2303 {
2304 SetCursor( LoadCursorW( 0, (LPWSTR)IDC_SIZEALL ) );
2305 pt.x = pt.y = 0;
2306 while(!hittest)
2307 {
2308 if (!GetMessageW( &msg, 0, 0, 0 )) return 0;
2309 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2310
2311 switch(msg.message)
2312 {
2313 case WM_MOUSEMOVE:
2314 pt.x = min( max( msg.pt.x, rectWindow.left ), rectWindow.right - 1 );
2315 pt.y = min( max( msg.pt.y, rectWindow.top ), rectWindow.bottom - 1 );
2316 hittest = SendMessageW( hwnd, WM_NCHITTEST, 0, MAKELONG( pt.x, pt.y ) );
2317 if ((hittest < HTLEFT) || (hittest > HTBOTTOMRIGHT)) hittest = 0;
2318 break;
2319
2320 case WM_LBUTTONUP:
2321 return 0;
2322
2323 case WM_KEYDOWN:
2324 switch(msg.wParam)
2325 {
2326 case VK_UP:
2327 hittest = HTTOP;
2328 pt.x =(rectWindow.left+rectWindow.right)/2;
2329 pt.y = rectWindow.top + GetSystemMetrics(SM_CYFRAME) / 2;
2330 break;
2331 case VK_DOWN:
2332 hittest = HTBOTTOM;
2333 pt.x =(rectWindow.left+rectWindow.right)/2;
2334 pt.y = rectWindow.bottom - GetSystemMetrics(SM_CYFRAME) / 2;
2335 break;
2336 case VK_LEFT:
2337 hittest = HTLEFT;
2338 pt.x = rectWindow.left + GetSystemMetrics(SM_CXFRAME) / 2;
2339 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2340 break;
2341 case VK_RIGHT:
2342 hittest = HTRIGHT;
2343 pt.x = rectWindow.right - GetSystemMetrics(SM_CXFRAME) / 2;
2344 pt.y =(rectWindow.top+rectWindow.bottom)/2;
2345 break;
2346 case VK_RETURN:
2347 case VK_ESCAPE:
2348 return 0;
2349 }
2350 break;
2351 default:
2352 TranslateMessage( &msg );
2353 DispatchMessageW( &msg );
2354 break;
2355 }
2356 }
2357 *capturePoint = pt;
2358 }
2359 SetCursorPos( pt.x, pt.y );
2360 SendMessageW( hwnd, WM_SETCURSOR, (WPARAM)hwnd, MAKELONG( hittest, WM_MOUSEMOVE ));
2361 return hittest;
2362 }
2363
2364
2365 /***********************************************************************
2366 * WINPOS_SysCommandSizeMove
2367 *
2368 * Perform SC_MOVE and SC_SIZE commands.
2369 */
2370 void WINPOS_SysCommandSizeMove( HWND hwnd, WPARAM wParam )
2371 {
2372 MSG msg;
2373 RECT sizingRect, mouseRect, origRect;
2374 HDC hdc;
2375 HWND parent;
2376 LONG hittest = (LONG)(wParam & 0x0f);
2377 WPARAM syscommand = wParam & 0xfff0;
2378 HCURSOR hDragCursor = 0, hOldCursor = 0;
2379 POINT minTrack, maxTrack;
2380 POINT capturePoint, pt;
2381 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
2382 BOOL thickframe = HAS_THICKFRAME( style );
2383 BOOL iconic = style & WS_MINIMIZE;
2384 BOOL moved = FALSE;
2385 DWORD dwPoint = GetMessagePos ();
2386 BOOL DragFullWindows = TRUE;
2387
2388 if (IsZoomed(hwnd) || !IsWindowVisible(hwnd)) return;
2389
2390 pt.x = (short)LOWORD(dwPoint);
2391 pt.y = (short)HIWORD(dwPoint);
2392 capturePoint = pt;
2393
2394 TRACE("hwnd %p command %04lx, hittest %d, pos %d,%d\n",
2395 hwnd, syscommand, hittest, pt.x, pt.y);
2396
2397 if (syscommand == SC_MOVE)
2398 {
2399 if (!hittest) hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2400 if (!hittest) return;
2401 }
2402 else /* SC_SIZE */
2403 {
2404 if ( hittest && (syscommand != SC_MOUSEMENU) )
2405 hittest += (HTLEFT - WMSZ_LEFT);
2406 else
2407 {
2408 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2409 hittest = start_size_move( hwnd, wParam, &capturePoint, style );
2410 if (!hittest)
2411 {
2412 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2413 return;
2414 }
2415 }
2416 }
2417
2418 /* Get min/max info */
2419
2420 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
2421 GetWindowRect( hwnd, &sizingRect );
2422 if (style & WS_CHILD)
2423 {
2424 parent = GetParent(hwnd);
2425 /* make sizing rect relative to parent */
2426 MapWindowPoints( 0, parent, (POINT*)&sizingRect, 2 );
2427 GetClientRect( parent, &mouseRect );
2428 }
2429 else
2430 {
2431 parent = 0;
2432 GetClientRect( GetDesktopWindow(), &mouseRect );
2433 mouseRect.left = GetSystemMetrics( SM_XVIRTUALSCREEN );
2434 mouseRect.top = GetSystemMetrics( SM_YVIRTUALSCREEN );
2435 mouseRect.right = mouseRect.left + GetSystemMetrics( SM_CXVIRTUALSCREEN );
2436 mouseRect.bottom = mouseRect.top + GetSystemMetrics( SM_CYVIRTUALSCREEN );
2437 }
2438 origRect = sizingRect;
2439
2440 if (ON_LEFT_BORDER(hittest))
2441 {
2442 mouseRect.left = max( mouseRect.left, sizingRect.right-maxTrack.x );
2443 mouseRect.right = min( mouseRect.right, sizingRect.right-minTrack.x );
2444 }
2445 else if (ON_RIGHT_BORDER(hittest))
2446 {
2447 mouseRect.left = max( mouseRect.left, sizingRect.left+minTrack.x );
2448 mouseRect.right = min( mouseRect.right, sizingRect.left+maxTrack.x );
2449 }
2450 if (ON_TOP_BORDER(hittest))
2451 {
2452 mouseRect.top = max( mouseRect.top, sizingRect.bottom-maxTrack.y );
2453 mouseRect.bottom = min( mouseRect.bottom,sizingRect.bottom-minTrack.y);
2454 }
2455 else if (ON_BOTTOM_BORDER(hittest))
2456 {
2457 mouseRect.top = max( mouseRect.top, sizingRect.top+minTrack.y );
2458 mouseRect.bottom = min( mouseRect.bottom, sizingRect.top+maxTrack.y );
2459 }
2460 if (parent) MapWindowPoints( parent, 0, (LPPOINT)&mouseRect, 2 );
2461
2462 /* Retrieve a default cache DC (without using the window style) */
2463 hdc = GetDCEx( parent, 0, DCX_CACHE );
2464
2465 if( iconic ) /* create a cursor for dragging */
2466 {
2467 hDragCursor = (HCURSOR)GetClassLongPtrW( hwnd, GCLP_HICON);
2468 if( !hDragCursor ) hDragCursor = (HCURSOR)SendMessageW( hwnd, WM_QUERYDRAGICON, 0, 0L);
2469 if( !hDragCursor ) iconic = FALSE;
2470 }
2471
2472 /* we only allow disabling the full window drag for child windows */
2473 if (parent) SystemParametersInfoW( SPI_GETDRAGFULLWINDOWS, 0, &DragFullWindows, 0 );
2474
2475 /* repaint the window before moving it around */
2476 RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_ALLCHILDREN );
2477
2478 SendMessageW( hwnd, WM_ENTERSIZEMOVE, 0, 0 );
2479 set_capture_window( hwnd, GUI_INMOVESIZE, NULL );
2480
2481 while(1)
2482 {
2483 int dx = 0, dy = 0;
2484
2485 if (!GetMessageW( &msg, 0, 0, 0 )) break;
2486 if (CallMsgFilterW( &msg, MSGF_SIZE )) continue;
2487
2488 /* Exit on button-up, Return, or Esc */
2489 if ((msg.message == WM_LBUTTONUP) ||
2490 ((msg.message == WM_KEYDOWN) &&
2491 ((msg.wParam == VK_RETURN) || (msg.wParam == VK_ESCAPE)))) break;
2492
2493 if ((msg.message != WM_KEYDOWN) && (msg.message != WM_MOUSEMOVE))
2494 {
2495 TranslateMessage( &msg );
2496 DispatchMessageW( &msg );
2497 continue; /* We are not interested in other messages */
2498 }
2499
2500 pt = msg.pt;
2501
2502 if (msg.message == WM_KEYDOWN) switch(msg.wParam)
2503 {
2504 case VK_UP: pt.y -= 8; break;
2505 case VK_DOWN: pt.y += 8; break;
2506 case VK_LEFT: pt.x -= 8; break;
2507 case VK_RIGHT: pt.x += 8; break;
2508 }
2509
2510 pt.x = max( pt.x, mouseRect.left );
2511 pt.x = min( pt.x, mouseRect.right );
2512 pt.y = max( pt.y, mouseRect.top );
2513 pt.y = min( pt.y, mouseRect.bottom );
2514
2515 dx = pt.x - capturePoint.x;
2516 dy = pt.y - capturePoint.y;
2517
2518 if (dx || dy)
2519 {
2520 if( !moved )
2521 {
2522 moved = TRUE;
2523
2524 if( iconic ) /* ok, no system popup tracking */
2525 {
2526 hOldCursor = SetCursor(hDragCursor);
2527 ShowCursor( TRUE );
2528 WINPOS_ShowIconTitle( hwnd, FALSE );
2529 }
2530 else if(!DragFullWindows)
2531 draw_moving_frame( hdc, &sizingRect, thickframe );
2532 }
2533
2534 if (msg.message == WM_KEYDOWN) SetCursorPos( pt.x, pt.y );
2535 else
2536 {
2537 RECT newRect = sizingRect;
2538 WPARAM wpSizingHit = 0;
2539
2540 if (hittest == HTCAPTION) OffsetRect( &newRect, dx, dy );
2541 if (ON_LEFT_BORDER(hittest)) newRect.left += dx;
2542 else if (ON_RIGHT_BORDER(hittest)) newRect.right += dx;
2543 if (ON_TOP_BORDER(hittest)) newRect.top += dy;
2544 else if (ON_BOTTOM_BORDER(hittest)) newRect.bottom += dy;
2545 if(!iconic && !DragFullWindows) draw_moving_frame( hdc, &sizingRect, thickframe );
2546 capturePoint = pt;
2547
2548 /* determine the hit location */
2549 if (hittest >= HTLEFT && hittest <= HTBOTTOMRIGHT)
2550 wpSizingHit = WMSZ_LEFT + (hittest - HTLEFT);
2551 SendMessageW( hwnd, WM_SIZING, wpSizingHit, (LPARAM)&newRect );
2552
2553 if (!iconic)
2554 {
2555 if(!DragFullWindows)
2556 draw_moving_frame( hdc, &newRect, thickframe );
2557 else
2558 SetWindowPos( hwnd, 0, newRect.left, newRect.top,
2559 newRect.right - newRect.left,
2560 newRect.bottom - newRect.top,
2561 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2562 }
2563 sizingRect = newRect;
2564 }
2565 }
2566 }
2567
2568 if( iconic )
2569 {
2570 if( moved ) /* restore cursors, show icon title later on */
2571 {
2572 ShowCursor( FALSE );
2573 SetCursor( hOldCursor );
2574 }
2575 }
2576 else if (moved && !DragFullWindows)
2577 {
2578 draw_moving_frame( hdc, &sizingRect, thickframe );
2579 }
2580
2581 set_capture_window( 0, GUI_INMOVESIZE, NULL );
2582 ReleaseDC( parent, hdc );
2583
2584 if (HOOK_CallHooks( WH_CBT, HCBT_MOVESIZE, (WPARAM)hwnd, (LPARAM)&sizingRect, TRUE ))
2585 moved = FALSE;
2586
2587 SendMessageW( hwnd, WM_EXITSIZEMOVE, 0, 0 );
2588 SendMessageW( hwnd, WM_SETVISIBLE, !IsIconic(hwnd), 0L);
2589
2590 /* window moved or resized */
2591 if (moved)
2592 {
2593 /* if the moving/resizing isn't canceled call SetWindowPos
2594 * with the new position or the new size of the window
2595 */
2596 if (!((msg.message == WM_KEYDOWN) && (msg.wParam == VK_ESCAPE)) )
2597 {
2598 /* NOTE: SWP_NOACTIVATE prevents document window activation in Word 6 */
2599 if(!DragFullWindows || iconic)
2600 SetWindowPos( hwnd, 0, sizingRect.left, sizingRect.top,
2601 sizingRect.right - sizingRect.left,
2602 sizingRect.bottom - sizingRect.top,
2603 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2604 }
2605 else
2606 { /* restore previous size/position */
2607 if(DragFullWindows)
2608 SetWindowPos( hwnd, 0, origRect.left, origRect.top,
2609 origRect.right - origRect.left,
2610 origRect.bottom - origRect.top,
2611 ( hittest == HTCAPTION ) ? SWP_NOSIZE : 0 );
2612 }
2613 }
2614
2615 if (IsIconic(hwnd))
2616 {
2617 /* Single click brings up the system menu when iconized */
2618
2619 if( !moved )
2620 {
2621 if(style & WS_SYSMENU )
2622 SendMessageW( hwnd, WM_SYSCOMMAND,
2623 SC_MOUSEMENU + HTSYSMENU, MAKELONG(pt.x,pt.y));
2624 }
2625 else WINPOS_ShowIconTitle( hwnd, TRUE );
2626 }
2627 }
Maarten's multimedia branch