dpnet: Assign to structs instead of using memcpy.
[wine.git] / dlls / user32 / winpos.c
blob451dd3b5795904aee807096652ae561e7f39cff0
1 /*
2 * Window position related functions.
4 * Copyright 1993, 1994, 1995 Alexandre Julliard
5 * 1995, 1996, 1999 Alex Korobka
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.
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.
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
22 #include "config.h"
23 #include "wine/port.h"
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"
39 WINE_DEFAULT_DEBUG_CHANNEL(win);
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)
48 #define HAS_DLGFRAME(style,exStyle) \
49 (((exStyle) & WS_EX_DLGMODALFRAME) || \
50 (((style) & WS_DLGFRAME) && !((style) & WS_BORDER)))
52 #define HAS_THICKFRAME(style) \
53 (((style) & WS_THICKFRAME) && \
54 !(((style) & (WS_DLGFRAME|WS_BORDER)) == WS_DLGFRAME))
56 #define EMPTYPOINT(pt) ((*(LONG*)&(pt)) == -1)
58 #define PLACE_MIN 0x0001
59 #define PLACE_MAX 0x0002
60 #define PLACE_RECT 0x0004
63 #define DWP_MAGIC ((INT)('W' | ('P' << 8) | ('O' << 16) | ('S' << 24)))
65 typedef struct
67 INT actualCount;
68 INT suggestedCount;
69 BOOL valid;
70 INT wMagic;
71 HWND hwndParent;
72 WINDOWPOS winPos[1];
73 } DWP;
75 typedef struct
77 RECT16 rectNormal;
78 POINT16 ptIconPos;
79 POINT16 ptMaxPos;
80 HWND hwndIconTitle;
81 } INTERNALPOS, *LPINTERNALPOS;
83 /* ----- internal functions ----- */
85 static const WCHAR SysIP_W[] = { 'S','y','s','I','P',0 };
87 static inline INTERNALPOS *get_internal_pos( HWND hwnd )
89 return GetPropW( hwnd, SysIP_W );
92 static inline void set_internal_pos( HWND hwnd, INTERNALPOS *pos )
94 SetPropW( hwnd, SysIP_W, pos );
97 /***********************************************************************
98 * WINPOS_CheckInternalPos
100 * Called when a window is destroyed.
102 void WINPOS_CheckInternalPos( HWND hwnd )
104 LPINTERNALPOS lpPos = get_internal_pos( hwnd );
106 if ( lpPos )
108 if( IsWindow(lpPos->hwndIconTitle) )
109 DestroyWindow( lpPos->hwndIconTitle );
110 HeapFree( GetProcessHeap(), 0, lpPos );
114 /***********************************************************************
115 * ArrangeIconicWindows (USER32.@)
117 UINT WINAPI ArrangeIconicWindows( HWND parent )
119 RECT rectParent;
120 HWND hwndChild;
121 INT x, y, xspacing, yspacing;
123 GetClientRect( parent, &rectParent );
124 x = rectParent.left;
125 y = rectParent.bottom;
126 xspacing = GetSystemMetrics(SM_CXICONSPACING);
127 yspacing = GetSystemMetrics(SM_CYICONSPACING);
129 hwndChild = GetWindow( parent, GW_CHILD );
130 while (hwndChild)
132 if( IsIconic( hwndChild ) )
134 WINPOS_ShowIconTitle( hwndChild, FALSE );
136 SetWindowPos( hwndChild, 0, x + (xspacing - GetSystemMetrics(SM_CXICON)) / 2,
137 y - yspacing - GetSystemMetrics(SM_CYICON)/2, 0, 0,
138 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
139 if( IsWindow(hwndChild) )
140 WINPOS_ShowIconTitle(hwndChild , TRUE );
142 if (x <= rectParent.right - xspacing) x += xspacing;
143 else
145 x = rectParent.left;
146 y -= yspacing;
149 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
151 return yspacing;
155 /***********************************************************************
156 * SwitchToThisWindow (USER32.@)
158 void WINAPI SwitchToThisWindow( HWND hwnd, BOOL restore )
160 ShowWindow( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
164 /***********************************************************************
165 * GetWindowRect (USER32.@)
167 BOOL WINAPI GetWindowRect( HWND hwnd, LPRECT rect )
169 BOOL ret = WIN_GetRectangles( hwnd, rect, NULL );
170 if (ret)
172 MapWindowPoints( GetAncestor( hwnd, GA_PARENT ), 0, (POINT *)rect, 2 );
173 TRACE( "hwnd %p (%s)\n", hwnd, wine_dbgstr_rect(rect) );
175 return ret;
179 /***********************************************************************
180 * GetWindowRgn (USER32.@)
182 int WINAPI GetWindowRgn ( HWND hwnd, HRGN hrgn )
184 int nRet = ERROR;
185 NTSTATUS status;
186 HRGN win_rgn = 0;
187 RGNDATA *data;
188 size_t size = 256;
192 if (!(data = HeapAlloc( GetProcessHeap(), 0, sizeof(*data) + size - 1 )))
194 SetLastError( ERROR_OUTOFMEMORY );
195 return ERROR;
197 SERVER_START_REQ( get_window_region )
199 req->window = hwnd;
200 wine_server_set_reply( req, data->Buffer, size );
201 if (!(status = wine_server_call( req )))
203 size_t reply_size = wine_server_reply_size( reply );
204 if (reply_size)
206 data->rdh.dwSize = sizeof(data->rdh);
207 data->rdh.iType = RDH_RECTANGLES;
208 data->rdh.nCount = reply_size / sizeof(RECT);
209 data->rdh.nRgnSize = reply_size;
210 win_rgn = ExtCreateRegion( NULL, size, data );
213 else size = reply->total_size;
215 SERVER_END_REQ;
216 HeapFree( GetProcessHeap(), 0, data );
217 } while (status == STATUS_BUFFER_OVERFLOW);
219 if (status) SetLastError( RtlNtStatusToDosError(status) );
220 else if (win_rgn)
222 nRet = CombineRgn( hrgn, win_rgn, 0, RGN_COPY );
223 DeleteObject( win_rgn );
225 return nRet;
229 /***********************************************************************
230 * SetWindowRgn (USER32.@)
232 int WINAPI SetWindowRgn( HWND hwnd, HRGN hrgn, BOOL bRedraw )
234 static const RECT empty_rect;
235 BOOL ret;
237 if (hrgn)
239 RGNDATA *data;
240 DWORD size;
242 if (!(size = GetRegionData( hrgn, 0, NULL ))) return FALSE;
243 if (!(data = HeapAlloc( GetProcessHeap(), 0, size ))) return FALSE;
244 if (!GetRegionData( hrgn, size, data ))
246 HeapFree( GetProcessHeap(), 0, data );
247 return FALSE;
249 SERVER_START_REQ( set_window_region )
251 req->window = hwnd;
252 req->redraw = (bRedraw != 0);
253 if (data->rdh.nCount)
254 wine_server_add_data( req, data->Buffer, data->rdh.nCount * sizeof(RECT) );
255 else
256 wine_server_add_data( req, &empty_rect, sizeof(empty_rect) );
257 ret = !wine_server_call_err( req );
259 SERVER_END_REQ;
261 else /* clear existing region */
263 SERVER_START_REQ( set_window_region )
265 req->window = hwnd;
266 req->redraw = (bRedraw != 0);
267 ret = !wine_server_call_err( req );
269 SERVER_END_REQ;
272 if (ret) ret = USER_Driver->pSetWindowRgn( hwnd, hrgn, bRedraw );
274 if (ret)
276 UINT swp_flags = SWP_NOSIZE|SWP_NOMOVE|SWP_NOZORDER|SWP_NOACTIVATE|SWP_FRAMECHANGED|SWP_NOCLIENTSIZE|SWP_NOCLIENTMOVE;
277 if (!bRedraw) swp_flags |= SWP_NOREDRAW;
278 SetWindowPos( hwnd, 0, 0, 0, 0, 0, swp_flags );
279 invalidate_dce( hwnd, NULL );
281 return ret;
285 /***********************************************************************
286 * GetClientRect (USER32.@)
288 BOOL WINAPI GetClientRect( HWND hwnd, LPRECT rect )
290 BOOL ret;
292 if ((ret = WIN_GetRectangles( hwnd, NULL, rect )))
294 rect->right -= rect->left;
295 rect->bottom -= rect->top;
296 rect->left = rect->top = 0;
298 return ret;
302 /*******************************************************************
303 * ClientToScreen (USER32.@)
305 BOOL WINAPI ClientToScreen( HWND hwnd, LPPOINT lppnt )
307 MapWindowPoints( hwnd, 0, lppnt, 1 );
308 return TRUE;
312 /*******************************************************************
313 * ScreenToClient (USER32.@)
315 BOOL WINAPI ScreenToClient( HWND hwnd, LPPOINT lppnt )
317 MapWindowPoints( 0, hwnd, lppnt, 1 );
318 return TRUE;
322 /***********************************************************************
323 * list_children_from_point
325 * Get the list of children that can contain point from the server.
326 * Point is in screen coordinates.
327 * Returned list must be freed by caller.
329 static HWND *list_children_from_point( HWND hwnd, POINT pt )
331 HWND *list;
332 int size = 32;
334 for (;;)
336 int count = 0;
338 if (!(list = HeapAlloc( GetProcessHeap(), 0, size * sizeof(HWND) ))) break;
340 SERVER_START_REQ( get_window_children_from_point )
342 req->parent = hwnd;
343 req->x = pt.x;
344 req->y = pt.y;
345 wine_server_set_reply( req, list, (size-1) * sizeof(HWND) );
346 if (!wine_server_call( req )) count = reply->count;
348 SERVER_END_REQ;
349 if (count && count < size)
351 list[count] = 0;
352 return list;
354 HeapFree( GetProcessHeap(), 0, list );
355 if (!count) break;
356 size = count + 1; /* restart with a large enough buffer */
358 return NULL;
362 /***********************************************************************
363 * WINPOS_WindowFromPoint
365 * Find the window and hittest for a given point.
367 HWND WINPOS_WindowFromPoint( HWND hwndScope, POINT pt, INT *hittest )
369 int i, res;
370 HWND ret, *list;
372 if (!hwndScope) hwndScope = GetDesktopWindow();
374 *hittest = HTNOWHERE;
376 if (!(list = list_children_from_point( hwndScope, pt ))) return 0;
378 /* now determine the hittest */
380 for (i = 0; list[i]; i++)
382 LONG style = GetWindowLongW( list[i], GWL_STYLE );
384 /* If window is minimized or disabled, return at once */
385 if (style & WS_MINIMIZE)
387 *hittest = HTCAPTION;
388 break;
390 if (style & WS_DISABLED)
392 *hittest = HTERROR;
393 break;
395 /* Send WM_NCCHITTEST (if same thread) */
396 if (!WIN_IsCurrentThread( list[i] ))
398 *hittest = HTCLIENT;
399 break;
401 res = SendMessageW( list[i], WM_NCHITTEST, 0, MAKELONG(pt.x,pt.y) );
402 if (res != HTTRANSPARENT)
404 *hittest = res; /* Found the window */
405 break;
407 /* continue search with next window in z-order */
409 ret = list[i];
410 HeapFree( GetProcessHeap(), 0, list );
411 TRACE( "scope %p (%d,%d) returning %p\n", hwndScope, pt.x, pt.y, ret );
412 return ret;
416 /*******************************************************************
417 * WindowFromPoint (USER32.@)
419 HWND WINAPI WindowFromPoint( POINT pt )
421 INT hittest;
422 return WINPOS_WindowFromPoint( 0, pt, &hittest );
426 /*******************************************************************
427 * ChildWindowFromPoint (USER32.@)
429 HWND WINAPI ChildWindowFromPoint( HWND hwndParent, POINT pt )
431 return ChildWindowFromPointEx( hwndParent, pt, CWP_ALL );
434 /*******************************************************************
435 * RealChildWindowFromPoint (USER32.@)
437 HWND WINAPI RealChildWindowFromPoint( HWND hwndParent, POINT pt )
439 return ChildWindowFromPointEx( hwndParent, pt, CWP_SKIPTRANSPARENT );
442 /*******************************************************************
443 * ChildWindowFromPointEx (USER32.@)
445 HWND WINAPI ChildWindowFromPointEx( HWND hwndParent, POINT pt, UINT uFlags)
447 /* pt is in the client coordinates */
448 HWND *list;
449 int i;
450 RECT rect;
451 HWND retvalue;
453 GetClientRect( hwndParent, &rect );
454 if (!PtInRect( &rect, pt )) return 0;
455 if (!(list = WIN_ListChildren( hwndParent ))) return hwndParent;
457 for (i = 0; list[i]; i++)
459 if (!WIN_GetRectangles( list[i], &rect, NULL )) continue;
460 if (!PtInRect( &rect, pt )) continue;
461 if (uFlags & (CWP_SKIPINVISIBLE|CWP_SKIPDISABLED))
463 LONG style = GetWindowLongW( list[i], GWL_STYLE );
464 if ((uFlags & CWP_SKIPINVISIBLE) && !(style & WS_VISIBLE)) continue;
465 if ((uFlags & CWP_SKIPDISABLED) && (style & WS_DISABLED)) continue;
467 if (uFlags & CWP_SKIPTRANSPARENT)
469 if (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TRANSPARENT) continue;
471 break;
473 retvalue = list[i];
474 HeapFree( GetProcessHeap(), 0, list );
475 if (!retvalue) retvalue = hwndParent;
476 return retvalue;
480 /*******************************************************************
481 * WINPOS_GetWinOffset
483 * Calculate the offset between the origin of the two windows. Used
484 * to implement MapWindowPoints.
486 static void WINPOS_GetWinOffset( HWND hwndFrom, HWND hwndTo, POINT *offset )
488 WND * wndPtr;
490 offset->x = offset->y = 0;
492 /* Translate source window origin to screen coords */
493 if (hwndFrom)
495 HWND hwnd = hwndFrom;
497 while (hwnd)
499 if (hwnd == hwndTo) return;
500 if (!(wndPtr = WIN_GetPtr( hwnd )))
502 ERR( "bad hwndFrom = %p\n", hwnd );
503 return;
505 if (wndPtr == WND_DESKTOP) break;
506 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
507 offset->x += wndPtr->rectClient.left;
508 offset->y += wndPtr->rectClient.top;
509 hwnd = wndPtr->parent;
510 WIN_ReleasePtr( wndPtr );
514 /* Translate origin to destination window coords */
515 if (hwndTo)
517 HWND hwnd = hwndTo;
519 while (hwnd)
521 if (!(wndPtr = WIN_GetPtr( hwnd )))
523 ERR( "bad hwndTo = %p\n", hwnd );
524 return;
526 if (wndPtr == WND_DESKTOP) break;
527 if (wndPtr == WND_OTHER_PROCESS) goto other_process;
528 offset->x -= wndPtr->rectClient.left;
529 offset->y -= wndPtr->rectClient.top;
530 hwnd = wndPtr->parent;
531 WIN_ReleasePtr( wndPtr );
534 return;
536 other_process: /* one of the parents may belong to another process, do it the hard way */
537 offset->x = offset->y = 0;
538 SERVER_START_REQ( get_windows_offset )
540 req->from = hwndFrom;
541 req->to = hwndTo;
542 if (!wine_server_call( req ))
544 offset->x = reply->x;
545 offset->y = reply->y;
548 SERVER_END_REQ;
552 /*******************************************************************
553 * MapWindowPoints (USER.258)
555 void WINAPI MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
556 LPPOINT16 lppt, UINT16 count )
558 POINT offset;
560 WINPOS_GetWinOffset( WIN_Handle32(hwndFrom), WIN_Handle32(hwndTo), &offset );
561 while (count--)
563 lppt->x += offset.x;
564 lppt->y += offset.y;
565 lppt++;
570 /*******************************************************************
571 * MapWindowPoints (USER32.@)
573 INT WINAPI MapWindowPoints( HWND hwndFrom, HWND hwndTo, LPPOINT lppt, UINT count )
575 POINT offset;
577 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
578 while (count--)
580 lppt->x += offset.x;
581 lppt->y += offset.y;
582 lppt++;
584 return MAKELONG( LOWORD(offset.x), LOWORD(offset.y) );
588 /***********************************************************************
589 * IsIconic (USER32.@)
591 BOOL WINAPI IsIconic(HWND hWnd)
593 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MINIMIZE) != 0;
597 /***********************************************************************
598 * IsZoomed (USER32.@)
600 BOOL WINAPI IsZoomed(HWND hWnd)
602 return (GetWindowLongW( hWnd, GWL_STYLE ) & WS_MAXIMIZE) != 0;
606 /*******************************************************************
607 * AllowSetForegroundWindow (USER32.@)
609 BOOL WINAPI AllowSetForegroundWindow( DWORD procid )
611 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
612 * implemented, then fix this function. */
613 return TRUE;
617 /*******************************************************************
618 * LockSetForegroundWindow (USER32.@)
620 BOOL WINAPI LockSetForegroundWindow( UINT lockcode )
622 /* FIXME: If Win98/2000 style SetForegroundWindow behavior is
623 * implemented, then fix this function. */
624 return TRUE;
628 /***********************************************************************
629 * BringWindowToTop (USER32.@)
631 BOOL WINAPI BringWindowToTop( HWND hwnd )
633 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
637 /***********************************************************************
638 * MoveWindow (USER32.@)
640 BOOL WINAPI MoveWindow( HWND hwnd, INT x, INT y, INT cx, INT cy,
641 BOOL repaint )
643 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
644 if (!repaint) flags |= SWP_NOREDRAW;
645 TRACE("%p %d,%d %dx%d %d\n", hwnd, x, y, cx, cy, repaint );
646 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
649 /***********************************************************************
650 * WINPOS_InitInternalPos
652 static LPINTERNALPOS WINPOS_InitInternalPos( WND* wnd )
654 LPINTERNALPOS lpPos = get_internal_pos( wnd->hwndSelf );
655 if( !lpPos )
657 /* this happens when the window is minimized/maximized
658 * for the first time (rectWindow is not adjusted yet) */
660 lpPos = HeapAlloc( GetProcessHeap(), 0, sizeof(INTERNALPOS) );
661 if( !lpPos ) return NULL;
663 set_internal_pos( wnd->hwndSelf, lpPos );
664 lpPos->hwndIconTitle = 0; /* defer until needs to be shown */
665 lpPos->rectNormal.left = wnd->rectWindow.left;
666 lpPos->rectNormal.top = wnd->rectWindow.top;
667 lpPos->rectNormal.right = wnd->rectWindow.right;
668 lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
669 lpPos->ptIconPos.x = lpPos->ptIconPos.y = -1;
670 lpPos->ptMaxPos.x = lpPos->ptMaxPos.y = -1;
673 if( wnd->dwStyle & WS_MINIMIZE )
675 lpPos->ptIconPos.x = wnd->rectWindow.left;
676 lpPos->ptIconPos.y = wnd->rectWindow.top;
678 else if( wnd->dwStyle & WS_MAXIMIZE )
680 lpPos->ptMaxPos.x = wnd->rectWindow.left;
681 lpPos->ptMaxPos.y = wnd->rectWindow.top;
683 else
685 lpPos->rectNormal.left = wnd->rectWindow.left;
686 lpPos->rectNormal.top = wnd->rectWindow.top;
687 lpPos->rectNormal.right = wnd->rectWindow.right;
688 lpPos->rectNormal.bottom = wnd->rectWindow.bottom;
690 return lpPos;
693 /***********************************************************************
694 * WINPOS_RedrawIconTitle
696 BOOL WINPOS_RedrawIconTitle( HWND hWnd )
698 LPINTERNALPOS lpPos = get_internal_pos( hWnd );
699 if( lpPos )
701 if( lpPos->hwndIconTitle )
703 SendMessageW( lpPos->hwndIconTitle, WM_SHOWWINDOW, TRUE, 0);
704 InvalidateRect( lpPos->hwndIconTitle, NULL, TRUE );
705 return TRUE;
708 return FALSE;
711 /***********************************************************************
712 * WINPOS_ShowIconTitle
714 BOOL WINPOS_ShowIconTitle( HWND hwnd, BOOL bShow )
716 LPINTERNALPOS lpPos = get_internal_pos( hwnd );
718 if (lpPos && !GetPropA( hwnd, "__wine_x11_managed" ))
720 HWND title = lpPos->hwndIconTitle;
722 TRACE("%p %i\n", hwnd, (bShow != 0) );
724 if( !title )
725 lpPos->hwndIconTitle = title = ICONTITLE_Create( hwnd );
726 if( bShow )
728 if (!IsWindowVisible(title))
730 SendMessageW( title, WM_SHOWWINDOW, TRUE, 0 );
731 SetWindowPos( title, 0, 0, 0, 0, 0, SWP_NOSIZE | SWP_NOMOVE |
732 SWP_NOACTIVATE | SWP_NOZORDER | SWP_SHOWWINDOW );
735 else ShowWindow( title, SW_HIDE );
737 return FALSE;
740 /*******************************************************************
741 * WINPOS_GetMinMaxInfo
743 * Get the minimized and maximized information for a window.
745 void WINPOS_GetMinMaxInfo( HWND hwnd, POINT *maxSize, POINT *maxPos,
746 POINT *minTrack, POINT *maxTrack )
748 LPINTERNALPOS lpPos;
749 MINMAXINFO MinMax;
750 HMONITOR monitor;
751 INT xinc, yinc;
752 LONG style = GetWindowLongA( hwnd, GWL_STYLE );
753 LONG exstyle = GetWindowLongA( hwnd, GWL_EXSTYLE );
754 RECT rc;
756 /* Compute default values */
758 GetWindowRect(hwnd, &rc);
759 MinMax.ptReserved.x = rc.left;
760 MinMax.ptReserved.y = rc.top;
762 if (style & WS_CHILD)
764 if ((style & WS_CAPTION) == WS_CAPTION)
765 style &= ~WS_BORDER; /* WS_CAPTION = WS_DLGFRAME | WS_BORDER */
767 GetClientRect(GetAncestor(hwnd,GA_PARENT), &rc);
768 AdjustWindowRectEx(&rc, style, ((style & WS_POPUP) && GetMenu(hwnd)), exstyle);
770 /* avoid calculating this twice */
771 style &= ~(WS_DLGFRAME | WS_BORDER | WS_THICKFRAME);
773 MinMax.ptMaxSize.x = rc.right - rc.left;
774 MinMax.ptMaxSize.y = rc.bottom - rc.top;
776 else
778 MinMax.ptMaxSize.x = GetSystemMetrics(SM_CXSCREEN);
779 MinMax.ptMaxSize.y = GetSystemMetrics(SM_CYSCREEN);
781 MinMax.ptMinTrackSize.x = GetSystemMetrics(SM_CXMINTRACK);
782 MinMax.ptMinTrackSize.y = GetSystemMetrics(SM_CYMINTRACK);
783 MinMax.ptMaxTrackSize.x = GetSystemMetrics(SM_CXMAXTRACK);
784 MinMax.ptMaxTrackSize.y = GetSystemMetrics(SM_CYMAXTRACK);
786 if (HAS_DLGFRAME( style, exstyle ))
788 xinc = GetSystemMetrics(SM_CXDLGFRAME);
789 yinc = GetSystemMetrics(SM_CYDLGFRAME);
791 else
793 xinc = yinc = 0;
794 if (HAS_THICKFRAME(style))
796 xinc += GetSystemMetrics(SM_CXFRAME);
797 yinc += GetSystemMetrics(SM_CYFRAME);
799 if (style & WS_BORDER)
801 xinc += GetSystemMetrics(SM_CXBORDER);
802 yinc += GetSystemMetrics(SM_CYBORDER);
805 MinMax.ptMaxSize.x += 2 * xinc;
806 MinMax.ptMaxSize.y += 2 * yinc;
808 lpPos = get_internal_pos( hwnd );
809 if( lpPos && !EMPTYPOINT(lpPos->ptMaxPos) )
811 MinMax.ptMaxPosition.x = lpPos->ptMaxPos.x;
812 MinMax.ptMaxPosition.y = lpPos->ptMaxPos.y;
814 else
816 MinMax.ptMaxPosition.x = -xinc;
817 MinMax.ptMaxPosition.y = -yinc;
820 SendMessageW( hwnd, WM_GETMINMAXINFO, 0, (LPARAM)&MinMax );
822 /* if the app didn't change the values, adapt them for the current monitor */
824 if ((monitor = MonitorFromWindow( hwnd, MONITOR_DEFAULTTOPRIMARY )))
826 MONITORINFO mon_info;
828 mon_info.cbSize = sizeof(mon_info);
829 GetMonitorInfoW( monitor, &mon_info );
831 if (MinMax.ptMaxSize.x == GetSystemMetrics(SM_CXSCREEN) + 2 * xinc &&
832 MinMax.ptMaxSize.y == GetSystemMetrics(SM_CYSCREEN) + 2 * yinc)
834 MinMax.ptMaxSize.x = (mon_info.rcWork.right - mon_info.rcWork.left) + 2 * xinc;
835 MinMax.ptMaxSize.y = (mon_info.rcWork.bottom - mon_info.rcWork.top) + 2 * yinc;
837 if (MinMax.ptMaxPosition.x == -xinc && MinMax.ptMaxPosition.y == -yinc)
839 MinMax.ptMaxPosition.x = mon_info.rcWork.left - xinc;
840 MinMax.ptMaxPosition.y = mon_info.rcWork.top - yinc;
844 /* Some sanity checks */
846 TRACE("%d %d / %d %d / %d %d / %d %d\n",
847 MinMax.ptMaxSize.x, MinMax.ptMaxSize.y,
848 MinMax.ptMaxPosition.x, MinMax.ptMaxPosition.y,
849 MinMax.ptMaxTrackSize.x, MinMax.ptMaxTrackSize.y,
850 MinMax.ptMinTrackSize.x, MinMax.ptMinTrackSize.y);
851 MinMax.ptMaxTrackSize.x = max( MinMax.ptMaxTrackSize.x,
852 MinMax.ptMinTrackSize.x );
853 MinMax.ptMaxTrackSize.y = max( MinMax.ptMaxTrackSize.y,
854 MinMax.ptMinTrackSize.y );
856 if (maxSize) *maxSize = MinMax.ptMaxSize;
857 if (maxPos) *maxPos = MinMax.ptMaxPosition;
858 if (minTrack) *minTrack = MinMax.ptMinTrackSize;
859 if (maxTrack) *maxTrack = MinMax.ptMaxTrackSize;
862 /***********************************************************************
863 * ShowWindowAsync (USER32.@)
865 * doesn't wait; returns immediately.
866 * used by threads to toggle windows in other (possibly hanging) threads
868 BOOL WINAPI ShowWindowAsync( HWND hwnd, INT cmd )
870 HWND full_handle;
872 if (is_broadcast(hwnd))
874 SetLastError( ERROR_INVALID_PARAMETER );
875 return FALSE;
878 if ((full_handle = WIN_IsCurrentThread( hwnd )))
879 return USER_Driver->pShowWindow( full_handle, cmd );
881 return SendNotifyMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
885 /***********************************************************************
886 * ShowWindow (USER32.@)
888 BOOL WINAPI ShowWindow( HWND hwnd, INT cmd )
890 HWND full_handle;
892 if (is_broadcast(hwnd))
894 SetLastError( ERROR_INVALID_PARAMETER );
895 return FALSE;
897 if ((full_handle = WIN_IsCurrentThread( hwnd )))
898 return USER_Driver->pShowWindow( full_handle, cmd );
900 return SendMessageW( hwnd, WM_WINE_SHOWWINDOW, cmd, 0 );
904 /***********************************************************************
905 * GetInternalWindowPos (USER32.@)
907 UINT WINAPI GetInternalWindowPos( HWND hwnd, LPRECT rectWnd,
908 LPPOINT ptIcon )
910 WINDOWPLACEMENT wndpl;
911 if (GetWindowPlacement( hwnd, &wndpl ))
913 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
914 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
915 return wndpl.showCmd;
917 return 0;
921 /***********************************************************************
922 * GetWindowPlacement (USER32.@)
924 * Win95:
925 * Fails if wndpl->length of Win95 (!) apps is invalid.
927 BOOL WINAPI GetWindowPlacement( HWND hwnd, WINDOWPLACEMENT *wndpl )
929 WND *pWnd = WIN_GetPtr( hwnd );
930 LPINTERNALPOS lpPos;
932 if (!pWnd || pWnd == WND_DESKTOP) return FALSE;
933 if (pWnd == WND_OTHER_PROCESS)
935 if (IsWindow( hwnd )) FIXME( "not supported on other process window %p\n", hwnd );
936 return FALSE;
939 lpPos = WINPOS_InitInternalPos( pWnd );
940 wndpl->length = sizeof(*wndpl);
941 if( pWnd->dwStyle & WS_MINIMIZE )
942 wndpl->showCmd = SW_SHOWMINIMIZED;
943 else
944 wndpl->showCmd = ( pWnd->dwStyle & WS_MAXIMIZE ) ? SW_SHOWMAXIMIZED : SW_SHOWNORMAL ;
945 if( pWnd->flags & WIN_RESTORE_MAX )
946 wndpl->flags = WPF_RESTORETOMAXIMIZED;
947 else
948 wndpl->flags = 0;
949 wndpl->ptMinPosition.x = lpPos->ptIconPos.x;
950 wndpl->ptMinPosition.y = lpPos->ptIconPos.y;
951 wndpl->ptMaxPosition.x = lpPos->ptMaxPos.x;
952 wndpl->ptMaxPosition.y = lpPos->ptMaxPos.y;
953 wndpl->rcNormalPosition.left = lpPos->rectNormal.left;
954 wndpl->rcNormalPosition.top = lpPos->rectNormal.top;
955 wndpl->rcNormalPosition.right = lpPos->rectNormal.right;
956 wndpl->rcNormalPosition.bottom = lpPos->rectNormal.bottom;
957 WIN_ReleasePtr( pWnd );
958 return TRUE;
962 /***********************************************************************
963 * WINPOS_SetPlacement
965 static BOOL WINPOS_SetPlacement( HWND hwnd, const WINDOWPLACEMENT *wndpl, UINT flags )
967 LPINTERNALPOS lpPos;
968 DWORD style;
969 WND *pWnd = WIN_GetPtr( hwnd );
971 if (!pWnd || pWnd == WND_OTHER_PROCESS || pWnd == WND_DESKTOP) return FALSE;
972 lpPos = WINPOS_InitInternalPos( pWnd );
974 if( flags & PLACE_MIN )
976 lpPos->ptIconPos.x = wndpl->ptMinPosition.x;
977 lpPos->ptIconPos.y = wndpl->ptMinPosition.y;
979 if( flags & PLACE_MAX )
981 lpPos->ptMaxPos.x = wndpl->ptMaxPosition.x;
982 lpPos->ptMaxPos.y = wndpl->ptMaxPosition.y;
984 if( flags & PLACE_RECT)
986 lpPos->rectNormal.left = wndpl->rcNormalPosition.left;
987 lpPos->rectNormal.top = wndpl->rcNormalPosition.top;
988 lpPos->rectNormal.right = wndpl->rcNormalPosition.right;
989 lpPos->rectNormal.bottom = wndpl->rcNormalPosition.bottom;
992 style = pWnd->dwStyle;
993 WIN_ReleasePtr( pWnd );
995 if( style & WS_MINIMIZE )
997 WINPOS_ShowIconTitle( hwnd, FALSE );
998 if( wndpl->flags & WPF_SETMINPOSITION && !EMPTYPOINT(lpPos->ptIconPos))
999 SetWindowPos( hwnd, 0, lpPos->ptIconPos.x, lpPos->ptIconPos.y,
1000 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1002 else if( style & WS_MAXIMIZE )
1004 if( !EMPTYPOINT(lpPos->ptMaxPos) )
1005 SetWindowPos( hwnd, 0, lpPos->ptMaxPos.x, lpPos->ptMaxPos.y,
1006 0, 0, SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
1008 else if( flags & PLACE_RECT )
1009 SetWindowPos( hwnd, 0, lpPos->rectNormal.left, lpPos->rectNormal.top,
1010 lpPos->rectNormal.right - lpPos->rectNormal.left,
1011 lpPos->rectNormal.bottom - lpPos->rectNormal.top,
1012 SWP_NOZORDER | SWP_NOACTIVATE );
1014 ShowWindow( hwnd, wndpl->showCmd );
1016 if (IsIconic( hwnd ))
1018 if (GetWindowLongW( hwnd, GWL_STYLE ) & WS_VISIBLE) WINPOS_ShowIconTitle( hwnd, TRUE );
1020 /* SDK: ...valid only the next time... */
1021 if( wndpl->flags & WPF_RESTORETOMAXIMIZED )
1023 pWnd = WIN_GetPtr( hwnd );
1024 if (pWnd && pWnd != WND_OTHER_PROCESS)
1026 pWnd->flags |= WIN_RESTORE_MAX;
1027 WIN_ReleasePtr( pWnd );
1031 return TRUE;
1035 /***********************************************************************
1036 * SetWindowPlacement (USER32.@)
1038 * Win95:
1039 * Fails if wndpl->length of Win95 (!) apps is invalid.
1041 BOOL WINAPI SetWindowPlacement( HWND hwnd, const WINDOWPLACEMENT *wpl )
1043 if (!wpl) return FALSE;
1044 return WINPOS_SetPlacement( hwnd, wpl, PLACE_MIN | PLACE_MAX | PLACE_RECT );
1048 /***********************************************************************
1049 * AnimateWindow (USER32.@)
1050 * Shows/Hides a window with an animation
1051 * NO ANIMATION YET
1053 BOOL WINAPI AnimateWindow(HWND hwnd, DWORD dwTime, DWORD dwFlags)
1055 FIXME("partial stub\n");
1057 /* If trying to show/hide and it's already *
1058 * shown/hidden or invalid window, fail with *
1059 * invalid parameter */
1060 if(!IsWindow(hwnd) ||
1061 (IsWindowVisible(hwnd) && !(dwFlags & AW_HIDE)) ||
1062 (!IsWindowVisible(hwnd) && (dwFlags & AW_HIDE)))
1064 SetLastError(ERROR_INVALID_PARAMETER);
1065 return FALSE;
1068 ShowWindow(hwnd, (dwFlags & AW_HIDE) ? SW_HIDE : ((dwFlags & AW_ACTIVATE) ? SW_SHOW : SW_SHOWNA));
1070 return TRUE;
1073 /***********************************************************************
1074 * SetInternalWindowPos (USER32.@)
1076 void WINAPI SetInternalWindowPos( HWND hwnd, UINT showCmd,
1077 LPRECT rect, LPPOINT pt )
1079 if( IsWindow(hwnd) )
1081 WINDOWPLACEMENT wndpl;
1082 UINT flags;
1084 wndpl.length = sizeof(wndpl);
1085 wndpl.showCmd = showCmd;
1086 wndpl.flags = flags = 0;
1088 if( pt )
1090 flags |= PLACE_MIN;
1091 wndpl.flags |= WPF_SETMINPOSITION;
1092 wndpl.ptMinPosition = *pt;
1094 if( rect )
1096 flags |= PLACE_RECT;
1097 wndpl.rcNormalPosition = *rect;
1099 WINPOS_SetPlacement( hwnd, &wndpl, flags );
1104 /*******************************************************************
1105 * can_activate_window
1107 * Check if we can activate the specified window.
1109 static BOOL can_activate_window( HWND hwnd )
1111 LONG style;
1113 if (!hwnd) return FALSE;
1114 style = GetWindowLongW( hwnd, GWL_STYLE );
1115 if (!(style & WS_VISIBLE)) return FALSE;
1116 if ((style & (WS_POPUP|WS_CHILD)) == WS_CHILD) return FALSE;
1117 return !(style & WS_DISABLED);
1121 /*******************************************************************
1122 * WINPOS_ActivateOtherWindow
1124 * Activates window other than pWnd.
1126 void WINPOS_ActivateOtherWindow(HWND hwnd)
1128 HWND hwndTo, fg;
1130 if ((GetWindowLongW( hwnd, GWL_STYLE ) & WS_POPUP) && (hwndTo = GetWindow( hwnd, GW_OWNER )))
1132 hwndTo = GetAncestor( hwndTo, GA_ROOT );
1133 if (can_activate_window( hwndTo )) goto done;
1136 hwndTo = hwnd;
1137 for (;;)
1139 if (!(hwndTo = GetWindow( hwndTo, GW_HWNDNEXT ))) break;
1140 if (can_activate_window( hwndTo )) break;
1143 done:
1144 fg = GetForegroundWindow();
1145 TRACE("win = %p fg = %p\n", hwndTo, fg);
1146 if (!fg || (hwnd == fg))
1148 if (SetForegroundWindow( hwndTo )) return;
1150 if (!SetActiveWindow( hwndTo )) SetActiveWindow(0);
1154 /***********************************************************************
1155 * WINPOS_HandleWindowPosChanging
1157 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1159 LONG WINPOS_HandleWindowPosChanging( HWND hwnd, WINDOWPOS *winpos )
1161 POINT minTrack, maxTrack;
1162 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1164 if (winpos->flags & SWP_NOSIZE) return 0;
1165 if ((style & WS_THICKFRAME) || ((style & (WS_POPUP | WS_CHILD)) == 0))
1167 WINPOS_GetMinMaxInfo( hwnd, NULL, NULL, &minTrack, &maxTrack );
1168 if (winpos->cx > maxTrack.x) winpos->cx = maxTrack.x;
1169 if (winpos->cy > maxTrack.y) winpos->cy = maxTrack.y;
1170 if (!(style & WS_MINIMIZE))
1172 if (winpos->cx < minTrack.x ) winpos->cx = minTrack.x;
1173 if (winpos->cy < minTrack.y ) winpos->cy = minTrack.y;
1176 return 0;
1180 /***********************************************************************
1181 * dump_winpos_flags
1183 static void dump_winpos_flags(UINT flags)
1185 TRACE("flags:");
1186 if(flags & SWP_NOSIZE) TRACE(" SWP_NOSIZE");
1187 if(flags & SWP_NOMOVE) TRACE(" SWP_NOMOVE");
1188 if(flags & SWP_NOZORDER) TRACE(" SWP_NOZORDER");
1189 if(flags & SWP_NOREDRAW) TRACE(" SWP_NOREDRAW");
1190 if(flags & SWP_NOACTIVATE) TRACE(" SWP_NOACTIVATE");
1191 if(flags & SWP_FRAMECHANGED) TRACE(" SWP_FRAMECHANGED");
1192 if(flags & SWP_SHOWWINDOW) TRACE(" SWP_SHOWWINDOW");
1193 if(flags & SWP_HIDEWINDOW) TRACE(" SWP_HIDEWINDOW");
1194 if(flags & SWP_NOCOPYBITS) TRACE(" SWP_NOCOPYBITS");
1195 if(flags & SWP_NOOWNERZORDER) TRACE(" SWP_NOOWNERZORDER");
1196 if(flags & SWP_NOSENDCHANGING) TRACE(" SWP_NOSENDCHANGING");
1197 if(flags & SWP_DEFERERASE) TRACE(" SWP_DEFERERASE");
1198 if(flags & SWP_ASYNCWINDOWPOS) TRACE(" SWP_ASYNCWINDOWPOS");
1200 #define DUMPED_FLAGS \
1201 (SWP_NOSIZE | \
1202 SWP_NOMOVE | \
1203 SWP_NOZORDER | \
1204 SWP_NOREDRAW | \
1205 SWP_NOACTIVATE | \
1206 SWP_FRAMECHANGED | \
1207 SWP_SHOWWINDOW | \
1208 SWP_HIDEWINDOW | \
1209 SWP_NOCOPYBITS | \
1210 SWP_NOOWNERZORDER | \
1211 SWP_NOSENDCHANGING | \
1212 SWP_DEFERERASE | \
1213 SWP_ASYNCWINDOWPOS)
1215 if(flags & ~DUMPED_FLAGS) TRACE(" %08x", flags & ~DUMPED_FLAGS);
1216 TRACE("\n");
1217 #undef DUMPED_FLAGS
1220 /***********************************************************************
1221 * SWP_DoWinPosChanging
1223 static BOOL SWP_DoWinPosChanging( WINDOWPOS* pWinpos, RECT* pNewWindowRect, RECT* pNewClientRect )
1225 WND *wndPtr;
1227 /* Send WM_WINDOWPOSCHANGING message */
1229 if (!(pWinpos->flags & SWP_NOSENDCHANGING))
1230 SendMessageW( pWinpos->hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)pWinpos );
1232 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) ||
1233 wndPtr == WND_OTHER_PROCESS || wndPtr == WND_DESKTOP) return FALSE;
1235 /* Calculate new position and size */
1237 *pNewWindowRect = wndPtr->rectWindow;
1238 *pNewClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1239 : wndPtr->rectClient;
1241 if (!(pWinpos->flags & SWP_NOSIZE))
1243 pNewWindowRect->right = pNewWindowRect->left + pWinpos->cx;
1244 pNewWindowRect->bottom = pNewWindowRect->top + pWinpos->cy;
1246 if (!(pWinpos->flags & SWP_NOMOVE))
1248 pNewWindowRect->left = pWinpos->x;
1249 pNewWindowRect->top = pWinpos->y;
1250 pNewWindowRect->right += pWinpos->x - wndPtr->rectWindow.left;
1251 pNewWindowRect->bottom += pWinpos->y - wndPtr->rectWindow.top;
1253 OffsetRect( pNewClientRect, pWinpos->x - wndPtr->rectWindow.left,
1254 pWinpos->y - wndPtr->rectWindow.top );
1256 pWinpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1258 TRACE( "hwnd %p, after %p, swp %d,%d %dx%d flags %08x\n",
1259 pWinpos->hwnd, pWinpos->hwndInsertAfter, pWinpos->x, pWinpos->y,
1260 pWinpos->cx, pWinpos->cy, pWinpos->flags );
1261 TRACE( "current %s style %08x new %s\n",
1262 wine_dbgstr_rect( &wndPtr->rectWindow ), wndPtr->dwStyle,
1263 wine_dbgstr_rect( pNewWindowRect ));
1265 WIN_ReleasePtr( wndPtr );
1266 return TRUE;
1269 /***********************************************************************
1270 * get_valid_rects
1272 * Compute the valid rects from the old and new client rect and WVR_* flags.
1273 * Helper for WM_NCCALCSIZE handling.
1275 static inline void get_valid_rects( const RECT *old_client, const RECT *new_client, UINT flags,
1276 RECT *valid )
1278 int cx, cy;
1280 if (flags & WVR_REDRAW)
1282 SetRectEmpty( &valid[0] );
1283 SetRectEmpty( &valid[1] );
1284 return;
1287 if (flags & WVR_VALIDRECTS)
1289 if (!IntersectRect( &valid[0], &valid[0], new_client ) ||
1290 !IntersectRect( &valid[1], &valid[1], old_client ))
1292 SetRectEmpty( &valid[0] );
1293 SetRectEmpty( &valid[1] );
1294 return;
1296 flags = WVR_ALIGNLEFT | WVR_ALIGNTOP;
1298 else
1300 valid[0] = *new_client;
1301 valid[1] = *old_client;
1304 /* make sure the rectangles have the same size */
1305 cx = min( valid[0].right - valid[0].left, valid[1].right - valid[1].left );
1306 cy = min( valid[0].bottom - valid[0].top, valid[1].bottom - valid[1].top );
1308 if (flags & WVR_ALIGNBOTTOM)
1310 valid[0].top = valid[0].bottom - cy;
1311 valid[1].top = valid[1].bottom - cy;
1313 else
1315 valid[0].bottom = valid[0].top + cy;
1316 valid[1].bottom = valid[1].top + cy;
1318 if (flags & WVR_ALIGNRIGHT)
1320 valid[0].left = valid[0].right - cx;
1321 valid[1].left = valid[1].right - cx;
1323 else
1325 valid[0].right = valid[0].left + cx;
1326 valid[1].right = valid[1].left + cx;
1331 /***********************************************************************
1332 * SWP_DoOwnedPopups
1334 * fix Z order taking into account owned popups -
1335 * basically we need to maintain them above the window that owns them
1337 * FIXME: hide/show owned popups when owner visibility changes.
1339 static HWND SWP_DoOwnedPopups(HWND hwnd, HWND hwndInsertAfter)
1341 LONG style = GetWindowLongW( hwnd, GWL_STYLE );
1342 HWND owner, *list = NULL;
1343 unsigned int i;
1345 TRACE("(%p) hInsertAfter = %p\n", hwnd, hwndInsertAfter );
1347 if ((style & WS_POPUP) && (owner = GetWindow( hwnd, GW_OWNER )))
1349 /* make sure this popup stays above the owner */
1351 if (hwndInsertAfter != HWND_TOP && hwndInsertAfter != HWND_TOPMOST)
1353 if (!(list = WIN_ListChildren( GetDesktopWindow() ))) return hwndInsertAfter;
1355 for (i = 0; list[i]; i++)
1357 if (list[i] == owner)
1359 if (i > 0) hwndInsertAfter = list[i-1];
1360 else hwndInsertAfter = HWND_TOP;
1361 break;
1364 if (hwndInsertAfter == HWND_NOTOPMOST)
1366 if (!(GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) break;
1368 else if (list[i] == hwndInsertAfter) break;
1372 else if (style & WS_CHILD) return hwndInsertAfter;
1374 if (hwndInsertAfter == HWND_BOTTOM) goto done;
1375 if (!list && !(list = WIN_ListChildren( GetDesktopWindow() ))) goto done;
1377 i = 0;
1378 if (hwndInsertAfter == HWND_TOP || hwndInsertAfter == HWND_NOTOPMOST)
1380 if (hwndInsertAfter == HWND_NOTOPMOST || !(GetWindowLongW( hwnd, GWL_EXSTYLE ) & WS_EX_TOPMOST))
1382 /* skip all the topmost windows */
1383 while (list[i] && (GetWindowLongW( list[i], GWL_EXSTYLE ) & WS_EX_TOPMOST)) i++;
1386 else if (hwndInsertAfter != HWND_TOPMOST)
1388 /* skip windows that are already placed correctly */
1389 for (i = 0; list[i]; i++)
1391 if (list[i] == hwndInsertAfter) break;
1392 if (list[i] == hwnd) goto done; /* nothing to do if window is moving backwards in z-order */
1396 for ( ; list[i]; i++)
1398 if (list[i] == hwnd) break;
1399 if (!(GetWindowLongW( list[i], GWL_STYLE ) & WS_POPUP)) continue;
1400 if (GetWindow( list[i], GW_OWNER ) != hwnd) continue;
1401 TRACE( "moving %p owned by %p after %p\n", list[i], hwnd, hwndInsertAfter );
1402 SetWindowPos( list[i], hwndInsertAfter, 0, 0, 0, 0,
1403 SWP_NOMOVE | SWP_NOSIZE | SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE );
1404 hwndInsertAfter = list[i];
1407 done:
1408 HeapFree( GetProcessHeap(), 0, list );
1409 return hwndInsertAfter;
1412 /***********************************************************************
1413 * SWP_DoNCCalcSize
1415 static UINT SWP_DoNCCalcSize( WINDOWPOS* pWinpos, const RECT* pNewWindowRect, RECT* pNewClientRect,
1416 RECT *validRects )
1418 UINT wvrFlags = 0;
1419 WND *wndPtr;
1421 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1423 /* Send WM_NCCALCSIZE message to get new client area */
1424 if( (pWinpos->flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1426 NCCALCSIZE_PARAMS params;
1427 WINDOWPOS winposCopy;
1429 params.rgrc[0] = *pNewWindowRect;
1430 params.rgrc[1] = wndPtr->rectWindow;
1431 params.rgrc[2] = wndPtr->rectClient;
1432 params.lppos = &winposCopy;
1433 winposCopy = *pWinpos;
1434 WIN_ReleasePtr( wndPtr );
1436 wvrFlags = SendMessageW( pWinpos->hwnd, WM_NCCALCSIZE, TRUE, (LPARAM)&params );
1438 *pNewClientRect = params.rgrc[0];
1440 if (!(wndPtr = WIN_GetPtr( pWinpos->hwnd )) || wndPtr == WND_OTHER_PROCESS) return 0;
1442 TRACE( "hwnd %p old win %s old client %s new win %s new client %s\n", pWinpos->hwnd,
1443 wine_dbgstr_rect(&wndPtr->rectWindow), wine_dbgstr_rect(&wndPtr->rectClient),
1444 wine_dbgstr_rect(pNewWindowRect), wine_dbgstr_rect(pNewClientRect) );
1446 if( pNewClientRect->left != wndPtr->rectClient.left ||
1447 pNewClientRect->top != wndPtr->rectClient.top )
1448 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1450 if( (pNewClientRect->right - pNewClientRect->left !=
1451 wndPtr->rectClient.right - wndPtr->rectClient.left))
1452 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1453 else
1454 wvrFlags &= ~WVR_HREDRAW;
1456 if (pNewClientRect->bottom - pNewClientRect->top !=
1457 wndPtr->rectClient.bottom - wndPtr->rectClient.top)
1458 pWinpos->flags &= ~SWP_NOCLIENTSIZE;
1459 else
1460 wvrFlags &= ~WVR_VREDRAW;
1462 validRects[0] = params.rgrc[1];
1463 validRects[1] = params.rgrc[2];
1465 else
1467 if (!(pWinpos->flags & SWP_NOMOVE) &&
1468 (pNewClientRect->left != wndPtr->rectClient.left ||
1469 pNewClientRect->top != wndPtr->rectClient.top))
1470 pWinpos->flags &= ~SWP_NOCLIENTMOVE;
1473 if (pWinpos->flags & (SWP_NOCOPYBITS | SWP_NOREDRAW | SWP_SHOWWINDOW | SWP_HIDEWINDOW))
1475 SetRectEmpty( &validRects[0] );
1476 SetRectEmpty( &validRects[1] );
1478 else get_valid_rects( &wndPtr->rectClient, pNewClientRect, wvrFlags, validRects );
1480 WIN_ReleasePtr( wndPtr );
1481 return wvrFlags;
1484 /* fix redundant flags and values in the WINDOWPOS structure */
1485 static BOOL fixup_flags( WINDOWPOS *winpos )
1487 HWND parent;
1488 WND *wndPtr = WIN_GetPtr( winpos->hwnd );
1489 BOOL ret = TRUE;
1491 if (!wndPtr || wndPtr == WND_OTHER_PROCESS)
1493 SetLastError( ERROR_INVALID_WINDOW_HANDLE );
1494 return FALSE;
1496 winpos->hwnd = wndPtr->hwndSelf; /* make it a full handle */
1498 /* Finally make sure that all coordinates are valid */
1499 if (winpos->x < -32768) winpos->x = -32768;
1500 else if (winpos->x > 32767) winpos->x = 32767;
1501 if (winpos->y < -32768) winpos->y = -32768;
1502 else if (winpos->y > 32767) winpos->y = 32767;
1504 if (winpos->cx < 0) winpos->cx = 0;
1505 else if (winpos->cx > 32767) winpos->cx = 32767;
1506 if (winpos->cy < 0) winpos->cy = 0;
1507 else if (winpos->cy > 32767) winpos->cy = 32767;
1509 parent = GetAncestor( winpos->hwnd, GA_PARENT );
1510 if (!IsWindowVisible( parent )) winpos->flags |= SWP_NOREDRAW;
1512 if (wndPtr->dwStyle & WS_VISIBLE) winpos->flags &= ~SWP_SHOWWINDOW;
1513 else
1515 winpos->flags &= ~SWP_HIDEWINDOW;
1516 if (!(winpos->flags & SWP_SHOWWINDOW)) winpos->flags |= SWP_NOREDRAW;
1519 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == winpos->cx) &&
1520 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == winpos->cy))
1521 winpos->flags |= SWP_NOSIZE; /* Already the right size */
1523 if ((wndPtr->rectWindow.left == winpos->x) && (wndPtr->rectWindow.top == winpos->y))
1524 winpos->flags |= SWP_NOMOVE; /* Already the right position */
1526 if ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)
1528 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)) && /* Bring to the top when activating */
1529 (winpos->flags & SWP_NOZORDER ||
1530 (winpos->hwndInsertAfter != HWND_TOPMOST && winpos->hwndInsertAfter != HWND_NOTOPMOST)))
1532 winpos->flags &= ~SWP_NOZORDER;
1533 winpos->hwndInsertAfter = HWND_TOP;
1537 /* Check hwndInsertAfter */
1538 if (winpos->flags & SWP_NOZORDER) goto done;
1540 /* fix sign extension */
1541 if (winpos->hwndInsertAfter == (HWND)0xffff) winpos->hwndInsertAfter = HWND_TOPMOST;
1542 else if (winpos->hwndInsertAfter == (HWND)0xfffe) winpos->hwndInsertAfter = HWND_NOTOPMOST;
1544 /* hwndInsertAfter must be a sibling of the window */
1545 if (winpos->hwndInsertAfter == HWND_TOP)
1547 if (GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1548 winpos->flags |= SWP_NOZORDER;
1550 else if (winpos->hwndInsertAfter == HWND_BOTTOM)
1552 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDLAST) == winpos->hwnd)
1553 winpos->flags |= SWP_NOZORDER;
1555 else if (winpos->hwndInsertAfter == HWND_TOPMOST)
1557 if ((wndPtr->dwExStyle & WS_EX_TOPMOST) && GetWindow(winpos->hwnd, GW_HWNDFIRST) == winpos->hwnd)
1558 winpos->flags |= SWP_NOZORDER;
1560 else if (winpos->hwndInsertAfter == HWND_NOTOPMOST)
1562 if (!(wndPtr->dwExStyle & WS_EX_TOPMOST))
1563 winpos->flags |= SWP_NOZORDER;
1565 else
1567 if (GetAncestor( winpos->hwndInsertAfter, GA_PARENT ) != parent) ret = FALSE;
1568 else
1570 /* don't need to change the Zorder of hwnd if it's already inserted
1571 * after hwndInsertAfter or when inserting hwnd after itself.
1573 if ((winpos->hwnd == winpos->hwndInsertAfter) ||
1574 (winpos->hwnd == GetWindow( winpos->hwndInsertAfter, GW_HWNDNEXT )))
1575 winpos->flags |= SWP_NOZORDER;
1578 done:
1579 WIN_ReleasePtr( wndPtr );
1580 return ret;
1584 /***********************************************************************
1585 * set_window_pos
1587 * Backend implementation of SetWindowPos.
1589 BOOL set_window_pos( HWND hwnd, HWND insert_after, UINT swp_flags,
1590 const RECT *window_rect, const RECT *client_rect, const RECT *valid_rects )
1592 WND *win;
1593 BOOL ret;
1594 RECT visible_rect, old_window_rect;
1595 DWORD new_style;
1597 if (!(win = WIN_GetPtr( hwnd ))) return FALSE;
1598 if (win == WND_DESKTOP || win == WND_OTHER_PROCESS) return FALSE;
1600 old_window_rect = win->rectWindow;
1601 SERVER_START_REQ( set_window_pos )
1603 req->handle = hwnd;
1604 req->previous = insert_after;
1605 req->flags = swp_flags;
1606 req->window.left = window_rect->left;
1607 req->window.top = window_rect->top;
1608 req->window.right = window_rect->right;
1609 req->window.bottom = window_rect->bottom;
1610 req->client.left = client_rect->left;
1611 req->client.top = client_rect->top;
1612 req->client.right = client_rect->right;
1613 req->client.bottom = client_rect->bottom;
1614 if (!IsRectEmpty( &valid_rects[0] ))
1615 wine_server_add_data( req, valid_rects, 2 * sizeof(*valid_rects) );
1616 if ((ret = !wine_server_call( req )))
1618 win->dwStyle = reply->new_style;
1619 win->dwExStyle = reply->new_ex_style;
1620 win->rectWindow = *window_rect;
1621 win->rectClient = *client_rect;
1622 visible_rect.left = reply->visible.left;
1623 visible_rect.top = reply->visible.top;
1624 visible_rect.right = reply->visible.right;
1625 visible_rect.bottom = reply->visible.bottom;
1628 SERVER_END_REQ;
1629 new_style = win->dwStyle;
1630 WIN_ReleasePtr( win );
1632 if (ret)
1634 USER_Driver->pSetWindowPos( hwnd, insert_after, swp_flags, window_rect,
1635 client_rect, &visible_rect, valid_rects );
1637 if ((((swp_flags & SWP_AGG_NOPOSCHANGE) != SWP_AGG_NOPOSCHANGE) && (new_style & WS_VISIBLE)) ||
1638 (swp_flags & (SWP_HIDEWINDOW | SWP_SHOWWINDOW)))
1639 invalidate_dce( hwnd, &old_window_rect );
1641 return ret;
1645 /***********************************************************************
1646 * USER_SetWindowPos
1648 * User32 internal function
1650 BOOL USER_SetWindowPos( WINDOWPOS * winpos )
1652 RECT newWindowRect, newClientRect, valid_rects[2];
1653 UINT orig_flags;
1655 orig_flags = winpos->flags;
1657 /* First make sure that coordinates are valid for WM_WINDOWPOSCHANGING */
1658 if (!(winpos->flags & SWP_NOMOVE))
1660 if (winpos->x < -32768) winpos->x = -32768;
1661 else if (winpos->x > 32767) winpos->x = 32767;
1662 if (winpos->y < -32768) winpos->y = -32768;
1663 else if (winpos->y > 32767) winpos->y = 32767;
1665 if (!(winpos->flags & SWP_NOSIZE))
1667 if (winpos->cx < 0) winpos->cx = 0;
1668 else if (winpos->cx > 32767) winpos->cx = 32767;
1669 if (winpos->cy < 0) winpos->cy = 0;
1670 else if (winpos->cy > 32767) winpos->cy = 32767;
1673 if (!SWP_DoWinPosChanging( winpos, &newWindowRect, &newClientRect )) return FALSE;
1675 /* Fix redundant flags */
1676 if (!fixup_flags( winpos )) return FALSE;
1678 if((winpos->flags & (SWP_NOZORDER | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) != SWP_NOZORDER)
1680 if (GetAncestor( winpos->hwnd, GA_PARENT ) == GetDesktopWindow())
1681 winpos->hwndInsertAfter = SWP_DoOwnedPopups( winpos->hwnd, winpos->hwndInsertAfter );
1684 /* Common operations */
1686 SWP_DoNCCalcSize( winpos, &newWindowRect, &newClientRect, valid_rects );
1688 if (!set_window_pos( winpos->hwnd, winpos->hwndInsertAfter, winpos->flags,
1689 &newWindowRect, &newClientRect, valid_rects ))
1690 return FALSE;
1692 /* erase parent when hiding or resizing child */
1693 if (!(orig_flags & SWP_DEFERERASE) &&
1694 ((orig_flags & SWP_HIDEWINDOW) ||
1695 (!(orig_flags & SWP_SHOWWINDOW) &&
1696 (winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOGEOMETRYCHANGE)))
1698 HWND parent = GetAncestor( winpos->hwnd, GA_PARENT );
1699 if (!parent || parent == GetDesktopWindow()) parent = winpos->hwnd;
1700 erase_now( parent, 0 );
1703 if( winpos->flags & SWP_HIDEWINDOW )
1704 HideCaret(winpos->hwnd);
1705 else if (winpos->flags & SWP_SHOWWINDOW)
1706 ShowCaret(winpos->hwnd);
1708 if (!(winpos->flags & (SWP_NOACTIVATE|SWP_HIDEWINDOW)))
1710 /* child windows get WM_CHILDACTIVATE message */
1711 if ((GetWindowLongW( winpos->hwnd, GWL_STYLE ) & (WS_CHILD | WS_POPUP)) == WS_CHILD)
1712 SendMessageW( winpos->hwnd, WM_CHILDACTIVATE, 0, 0 );
1713 else
1714 SetForegroundWindow( winpos->hwnd );
1717 /* And last, send the WM_WINDOWPOSCHANGED message */
1719 TRACE("\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
1721 if (((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE))
1723 /* WM_WINDOWPOSCHANGED is sent even if SWP_NOSENDCHANGING is set
1724 and always contains final window position.
1726 winpos->x = newWindowRect.left;
1727 winpos->y = newWindowRect.top;
1728 winpos->cx = newWindowRect.right - newWindowRect.left;
1729 winpos->cy = newWindowRect.bottom - newWindowRect.top;
1730 SendMessageW( winpos->hwnd, WM_WINDOWPOSCHANGED, 0, (LPARAM)winpos );
1732 return TRUE;
1735 /***********************************************************************
1736 * SetWindowPos (USER32.@)
1738 BOOL WINAPI SetWindowPos( HWND hwnd, HWND hwndInsertAfter,
1739 INT x, INT y, INT cx, INT cy, UINT flags )
1741 WINDOWPOS winpos;
1743 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1744 hwnd, hwndInsertAfter, x, y, cx, cy, flags);
1745 if(TRACE_ON(win)) dump_winpos_flags(flags);
1747 if (is_broadcast(hwnd))
1749 SetLastError( ERROR_INVALID_PARAMETER );
1750 return FALSE;
1753 winpos.hwnd = WIN_GetFullHandle(hwnd);
1754 winpos.hwndInsertAfter = WIN_GetFullHandle(hwndInsertAfter);
1755 winpos.x = x;
1756 winpos.y = y;
1757 winpos.cx = cx;
1758 winpos.cy = cy;
1759 winpos.flags = flags;
1761 if (WIN_IsCurrentThread( hwnd ))
1762 return USER_SetWindowPos(&winpos);
1764 return SendMessageW( winpos.hwnd, WM_WINE_SETWINDOWPOS, 0, (LPARAM)&winpos );
1768 /***********************************************************************
1769 * BeginDeferWindowPos (USER32.@)
1771 HDWP WINAPI BeginDeferWindowPos( INT count )
1773 HDWP handle;
1774 DWP *pDWP;
1776 TRACE("%d\n", count);
1778 if (count < 0)
1780 SetLastError(ERROR_INVALID_PARAMETER);
1781 return 0;
1783 /* Windows allows zero count, in which case it allocates context for 8 moves */
1784 if (count == 0) count = 8;
1786 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS) );
1787 if (!handle) return 0;
1788 pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1789 pDWP->actualCount = 0;
1790 pDWP->suggestedCount = count;
1791 pDWP->valid = TRUE;
1792 pDWP->wMagic = DWP_MAGIC;
1793 pDWP->hwndParent = 0;
1795 TRACE("returning hdwp %p\n", handle);
1796 return handle;
1800 /***********************************************************************
1801 * DeferWindowPos (USER32.@)
1803 HDWP WINAPI DeferWindowPos( HDWP hdwp, HWND hwnd, HWND hwndAfter,
1804 INT x, INT y, INT cx, INT cy,
1805 UINT flags )
1807 DWP *pDWP;
1808 int i;
1809 HDWP newhdwp = hdwp,retvalue;
1811 TRACE("hdwp %p, hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1812 hdwp, hwnd, hwndAfter, x, y, cx, cy, flags);
1814 hwnd = WIN_GetFullHandle( hwnd );
1815 if (hwnd == GetDesktopWindow()) return 0;
1817 if (!(pDWP = USER_HEAP_LIN_ADDR( hdwp ))) return 0;
1819 USER_Lock();
1821 for (i = 0; i < pDWP->actualCount; i++)
1823 if (pDWP->winPos[i].hwnd == hwnd)
1825 /* Merge with the other changes */
1826 if (!(flags & SWP_NOZORDER))
1828 pDWP->winPos[i].hwndInsertAfter = WIN_GetFullHandle(hwndAfter);
1830 if (!(flags & SWP_NOMOVE))
1832 pDWP->winPos[i].x = x;
1833 pDWP->winPos[i].y = y;
1835 if (!(flags & SWP_NOSIZE))
1837 pDWP->winPos[i].cx = cx;
1838 pDWP->winPos[i].cy = cy;
1840 pDWP->winPos[i].flags &= flags | ~(SWP_NOSIZE | SWP_NOMOVE |
1841 SWP_NOZORDER | SWP_NOREDRAW |
1842 SWP_NOACTIVATE | SWP_NOCOPYBITS|
1843 SWP_NOOWNERZORDER);
1844 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1845 SWP_FRAMECHANGED);
1846 retvalue = hdwp;
1847 goto END;
1850 if (pDWP->actualCount >= pDWP->suggestedCount)
1852 newhdwp = USER_HEAP_REALLOC( hdwp,
1853 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS) );
1854 if (!newhdwp)
1856 retvalue = 0;
1857 goto END;
1859 pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1860 pDWP->suggestedCount++;
1862 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1863 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1864 pDWP->winPos[pDWP->actualCount].x = x;
1865 pDWP->winPos[pDWP->actualCount].y = y;
1866 pDWP->winPos[pDWP->actualCount].cx = cx;
1867 pDWP->winPos[pDWP->actualCount].cy = cy;
1868 pDWP->winPos[pDWP->actualCount].flags = flags;
1869 pDWP->actualCount++;
1870 retvalue = newhdwp;
1871 END:
1872 USER_Unlock();
1873 return retvalue;
1877 /***********************************************************************
1878 * EndDeferWindowPos (USER32.@)
1880 BOOL WINAPI EndDeferWindowPos( HDWP hdwp )
1882 DWP *pDWP;
1883 WINDOWPOS *winpos;
1884 BOOL res = TRUE;
1885 int i;
1887 TRACE("%p\n", hdwp);
1889 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1890 if (!pDWP) return FALSE;
1891 for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1893 TRACE("hwnd %p, after %p, %d,%d (%dx%d), flags %08x\n",
1894 winpos->hwnd, winpos->hwndInsertAfter, winpos->x, winpos->y,
1895 winpos->cx, winpos->cy, winpos->flags);
1897 if (!(res = USER_SetWindowPos( winpos ))) break;
1899 USER_HEAP_FREE( hdwp );
1900 return res;
1904 /***********************************************************************
1905 * TileChildWindows (USER.199)
1907 void WINAPI TileChildWindows16( HWND16 parent, WORD action )
1909 FIXME("(%04x, %d): stub\n", parent, action);
1912 /***********************************************************************
1913 * CascadeChildWindows (USER.198)
1915 void WINAPI CascadeChildWindows16( HWND16 parent, WORD action )
1917 FIXME("(%04x, %d): stub\n", parent, action);