Release 970329
[wine/multimedia.git] / windows / winpos.c
blob97bbb24e7077dab77018703918c92c4db8ebcc3b
1 /*
2 * Window position related functions.
4 * Copyright 1993, 1994, 1995 Alexandre Julliard
5 * 1995,1996 Alex Korobka
6 */
8 #include <X11/Xlib.h>
9 #include <X11/Xutil.h>
10 #include <X11/Xatom.h>
11 #include "sysmetrics.h"
12 #include "heap.h"
13 #include "module.h"
14 #include "user.h"
15 #include "win.h"
16 #include "hook.h"
17 #include "message.h"
18 #include "queue.h"
19 #include "options.h"
20 #include "winpos.h"
21 #include "dce.h"
22 #include "nonclient.h"
23 #include "stddebug.h"
24 /* #define DEBUG_WIN */
25 #include "debug.h"
27 #define SWP_AGG_NOGEOMETRYCHANGE \
28 (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
29 #define SWP_AGG_NOPOSCHANGE \
30 (SWP_AGG_NOGEOMETRYCHANGE | SWP_NOZORDER)
31 #define SWP_AGG_STATUSFLAGS \
32 (SWP_AGG_NOPOSCHANGE | SWP_FRAMECHANGED | SWP_HIDEWINDOW | SWP_SHOWWINDOW)
34 #define SMC_NOCOPY 0x0001
35 #define SMC_NOPARENTERASE 0x0002
36 #define SMC_DRAWFRAME 0x0004
37 #define SMC_SETXPOS 0x0008
39 /* ----- external functions ----- */
41 extern void FOCUS_SwitchFocus( HWND32 , HWND32 );
42 extern HRGN32 DCE_GetVisRgn( HWND32, WORD );
43 extern HWND32 CARET_GetHwnd();
44 extern BOOL32 DCE_InvalidateDCE(WND*, RECT16* );
46 /* ----- internal variables ----- */
48 static HWND32 hwndActive = 0; /* Currently active window */
49 static HWND32 hwndPrevActive = 0; /* Previously active window */
51 extern MESSAGEQUEUE* pActiveQueue;
53 /***********************************************************************
54 * WINPOS_CheckActive
56 void WINPOS_CheckActive( HWND32 hwnd )
58 if( hwnd == hwndPrevActive ) hwndPrevActive = 0;
59 if( hwnd == hwndActive )
61 hwndActive = 0;
62 dprintf_win(stddeb,"\tattempt to activate destroyed window!\n");
66 /***********************************************************************
67 * WINPOS_FindIconPos
69 * Find a suitable place for an iconic window.
70 * The new position is stored into wndPtr->ptIconPos.
72 void WINPOS_FindIconPos( HWND32 hwnd )
74 RECT16 rectParent;
75 short x, y, xspacing, yspacing;
76 WND * wndPtr = WIN_FindWndPtr( hwnd );
78 if (!wndPtr || !wndPtr->parent) return;
79 GetClientRect16( wndPtr->parent->hwndSelf, &rectParent );
80 if ((wndPtr->ptIconPos.x >= rectParent.left) &&
81 (wndPtr->ptIconPos.x + SYSMETRICS_CXICON < rectParent.right) &&
82 (wndPtr->ptIconPos.y >= rectParent.top) &&
83 (wndPtr->ptIconPos.y + SYSMETRICS_CYICON < rectParent.bottom))
84 return; /* The icon already has a suitable position */
86 xspacing = yspacing = 70; /* FIXME: This should come from WIN.INI */
87 y = rectParent.bottom;
88 for (;;)
90 for (x = rectParent.left; x<=rectParent.right-xspacing; x += xspacing)
92 /* Check if another icon already occupies this spot */
93 WND *childPtr = wndPtr->parent->child;
94 while (childPtr)
96 if ((childPtr->dwStyle & WS_MINIMIZE) && (childPtr != wndPtr))
98 if ((childPtr->rectWindow.left < x + xspacing) &&
99 (childPtr->rectWindow.right >= x) &&
100 (childPtr->rectWindow.top <= y) &&
101 (childPtr->rectWindow.bottom > y - yspacing))
102 break; /* There's a window in there */
104 childPtr = childPtr->next;
106 if (!childPtr)
108 /* No window was found, so it's OK for us */
109 wndPtr->ptIconPos.x = x + (xspacing - SYSMETRICS_CXICON) / 2;
110 wndPtr->ptIconPos.y = y - (yspacing + SYSMETRICS_CYICON) / 2;
111 return;
114 y -= yspacing;
119 /***********************************************************************
120 * ArrangeIconicWindows (USER32.6)
122 UINT16 ArrangeIconicWindows16( HWND16 parent) {
123 return ArrangeIconicWindows32(parent);
125 /***********************************************************************
126 * ArrangeIconicWindows (USER.170)
128 UINT32 ArrangeIconicWindows32( HWND32 parent )
130 RECT32 rectParent;
131 HWND32 hwndChild;
132 INT32 x, y, xspacing, yspacing;
134 GetClientRect32( parent, &rectParent );
135 x = rectParent.left;
136 y = rectParent.bottom;
137 xspacing = yspacing = 70; /* FIXME: This should come from WIN.INI */
138 hwndChild = GetWindow32( parent, GW_CHILD );
139 while (hwndChild)
141 if (IsIconic32( hwndChild ))
143 SetWindowPos32( hwndChild, 0, x + (xspacing - SYSMETRICS_CXICON) / 2,
144 y - (yspacing + SYSMETRICS_CYICON) / 2, 0, 0,
145 SWP_NOSIZE|SWP_NOZORDER|SWP_NOACTIVATE );
146 if (x <= rectParent.right - xspacing) x += xspacing;
147 else
149 x = rectParent.left;
150 y -= yspacing;
153 hwndChild = GetWindow32( hwndChild, GW_HWNDNEXT );
155 return yspacing;
159 /***********************************************************************
160 * SwitchToThisWindow16 (USER.172)
162 void SwitchToThisWindow16( HWND16 hwnd, BOOL16 restore )
164 SwitchToThisWindow32( hwnd, restore );
168 /***********************************************************************
169 * SwitchToThisWindow32 (USER32.538)
171 void SwitchToThisWindow32( HWND32 hwnd, BOOL32 restore )
173 ShowWindow32( hwnd, restore ? SW_RESTORE : SW_SHOWMINIMIZED );
177 /***********************************************************************
178 * GetWindowRect16 (USER.32)
180 void GetWindowRect16( HWND16 hwnd, LPRECT16 rect )
182 WND * wndPtr = WIN_FindWndPtr( hwnd );
183 if (!wndPtr) return;
185 *rect = wndPtr->rectWindow;
186 if (wndPtr->dwStyle & WS_CHILD)
187 MapWindowPoints16( wndPtr->parent->hwndSelf, 0, (POINT16 *)rect, 2 );
191 /***********************************************************************
192 * GetWindowRect32 (USER.32)
194 void GetWindowRect32( HWND32 hwnd, LPRECT32 rect )
196 WND * wndPtr = WIN_FindWndPtr( hwnd );
197 if (!wndPtr) return;
199 CONV_RECT16TO32( &wndPtr->rectWindow, rect );
200 if (wndPtr->dwStyle & WS_CHILD)
201 MapWindowPoints32( wndPtr->parent->hwndSelf, 0, (POINT32 *)rect, 2 );
205 /***********************************************************************
206 * GetClientRect16 (USER.33)
208 void GetClientRect16( HWND16 hwnd, LPRECT16 rect )
210 WND * wndPtr = WIN_FindWndPtr( hwnd );
212 rect->left = rect->top = rect->right = rect->bottom = 0;
213 if (wndPtr)
215 rect->right = wndPtr->rectClient.right - wndPtr->rectClient.left;
216 rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
221 /***********************************************************************
222 * GetClientRect32 (USER32.219)
224 void GetClientRect32( HWND32 hwnd, LPRECT32 rect )
226 WND * wndPtr = WIN_FindWndPtr( hwnd );
228 rect->left = rect->top = rect->right = rect->bottom = 0;
229 if (wndPtr)
231 rect->right = wndPtr->rectClient.right - wndPtr->rectClient.left;
232 rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
237 /*******************************************************************
238 * ClientToScreen16 (USER.28)
240 BOOL16 ClientToScreen16( HWND16 hwnd, LPPOINT16 lppnt )
242 MapWindowPoints16( hwnd, 0, lppnt, 1 );
243 return TRUE;
247 /*******************************************************************
248 * ClientToScreen32 (USER32.51)
250 BOOL32 ClientToScreen32( HWND32 hwnd, LPPOINT32 lppnt )
252 MapWindowPoints32( hwnd, 0, lppnt, 1 );
253 return TRUE;
257 /*******************************************************************
258 * ScreenToClient16 (USER.29)
260 void ScreenToClient16( HWND16 hwnd, LPPOINT16 lppnt )
262 MapWindowPoints16( 0, hwnd, lppnt, 1 );
266 /*******************************************************************
267 * ScreenToClient32 (USER32.446)
269 void ScreenToClient32( HWND32 hwnd, LPPOINT32 lppnt )
271 MapWindowPoints32( 0, hwnd, lppnt, 1 );
275 /***********************************************************************
276 * WINPOS_WindowFromPoint
278 * Find the window and hittest for a given point.
280 INT16 WINPOS_WindowFromPoint( WND* wndScope, POINT16 pt, WND **ppWnd )
282 WND *wndPtr;
283 INT16 hittest = HTERROR;
284 INT16 x, y;
286 *ppWnd = NULL;
287 x = pt.x;
288 y = pt.y;
289 wndPtr = wndScope->child;
290 for (;;)
292 while (wndPtr)
294 /* If point is in window, and window is visible, and it */
295 /* is enabled (or it's a top-level window), then explore */
296 /* its children. Otherwise, go to the next window. */
298 if ((wndPtr->dwStyle & WS_VISIBLE) &&
299 (!(wndPtr->dwStyle & WS_DISABLED) ||
300 ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)) &&
301 (x >= wndPtr->rectWindow.left) &&
302 (x < wndPtr->rectWindow.right) &&
303 (y >= wndPtr->rectWindow.top) &&
304 (y < wndPtr->rectWindow.bottom))
306 *ppWnd = wndPtr; /* Got a suitable window */
308 /* If window is minimized or disabled, return at once */
309 if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
310 if (wndPtr->dwStyle & WS_DISABLED) return HTERROR;
312 /* If point is not in client area, ignore the children */
313 if ((x < wndPtr->rectClient.left) ||
314 (x >= wndPtr->rectClient.right) ||
315 (y < wndPtr->rectClient.top) ||
316 (y >= wndPtr->rectClient.bottom)) break;
318 x -= wndPtr->rectClient.left;
319 y -= wndPtr->rectClient.top;
320 wndPtr = wndPtr->child;
322 else wndPtr = wndPtr->next;
325 /* If nothing found, return the scope window */
326 if (!*ppWnd)
328 *ppWnd = wndScope;
329 if( pt.x >= (wndScope->rectClient.left - wndScope->rectWindow.left) &&
330 pt.x >= (wndScope->rectClient.top - wndScope->rectWindow.top ) &&
331 pt.x <= (wndScope->rectClient.right - wndScope->rectWindow.left) &&
332 pt.x <= (wndScope->rectClient.bottom - wndScope->rectWindow.top ) )
333 return HTCLIENT;
334 if( pt.x < 0 || pt.y < 0 ||
335 pt.x > (wndScope->rectWindow.right - wndScope->rectWindow.left) ||
336 pt.y > (wndScope->rectWindow.bottom - wndScope->rectWindow.top ) )
337 return HTNOWHERE;
338 return HTCAPTION; /* doesn't matter in this case */
341 /* Send the WM_NCHITTEST message (only if to the same task) */
342 if ((*ppWnd)->hmemTaskQ != GetTaskQueue(0)) return HTCLIENT;
343 hittest = (INT16)SendMessage16( (*ppWnd)->hwndSelf, WM_NCHITTEST, 0,
344 MAKELONG( pt.x, pt.y ) );
345 if (hittest != HTTRANSPARENT) return hittest; /* Found the window */
347 /* If no children found in last search, make point relative to parent*/
348 if (!wndPtr)
350 x += (*ppWnd)->rectClient.left;
351 y += (*ppWnd)->rectClient.top;
354 /* Restart the search from the next sibling */
355 wndPtr = (*ppWnd)->next;
356 *ppWnd = (*ppWnd)->parent;
361 /*******************************************************************
362 * WindowFromPoint16 (USER.30)
364 HWND16 WindowFromPoint16( POINT16 pt )
366 WND *pWnd;
367 WINPOS_WindowFromPoint( WIN_GetDesktop(), pt, &pWnd );
368 return pWnd->hwndSelf;
372 /*******************************************************************
373 * WindowFromPoint32 (USER32.581)
375 HWND32 WindowFromPoint32( POINT32 pt )
377 WND *pWnd;
378 POINT16 pt16;
379 CONV_POINT32TO16( &pt, &pt16 );
380 WINPOS_WindowFromPoint( WIN_GetDesktop(), pt16, &pWnd );
381 return (HWND32)pWnd->hwndSelf;
385 /*******************************************************************
386 * ChildWindowFromPoint16 (USER.191)
388 HWND16 ChildWindowFromPoint16( HWND16 hwndParent, POINT16 pt )
390 /* pt is in the client coordinates */
392 WND* wnd = WIN_FindWndPtr(hwndParent);
393 RECT16 rect;
395 if( !wnd ) return 0;
397 /* get client rect fast */
398 rect.top = rect.left = 0;
399 rect.right = wnd->rectClient.right - wnd->rectClient.left;
400 rect.bottom = wnd->rectClient.bottom - wnd->rectClient.top;
402 if (!PtInRect16( &rect, pt )) return 0;
404 wnd = wnd->child;
405 while ( wnd )
407 if (PtInRect16( &wnd->rectWindow, pt )) return wnd->hwndSelf;
408 wnd = wnd->next;
410 return hwndParent;
414 /*******************************************************************
415 * ChildWindowFromPoint32 (USER32.)
417 HWND32 ChildWindowFromPoint32( HWND32 hwndParent, POINT32 pt )
419 POINT16 pt16;
420 CONV_POINT32TO16( &pt, &pt16 );
421 return (HWND32)ChildWindowFromPoint16( hwndParent, pt16 );
425 /*******************************************************************
426 * WINPOS_GetWinOffset
428 * Calculate the offset between the origin of the two windows. Used
429 * to implement MapWindowPoints.
431 static void WINPOS_GetWinOffset( HWND32 hwndFrom, HWND32 hwndTo,
432 POINT32 *offset )
434 WND * wndPtr;
436 offset->x = offset->y = 0;
437 if (hwndFrom == hwndTo ) return;
439 /* Translate source window origin to screen coords */
440 if (hwndFrom)
442 if (!(wndPtr = WIN_FindWndPtr( hwndFrom )))
444 fprintf(stderr,"MapWindowPoints: bad hwndFrom = %04x\n",hwndFrom);
445 return;
447 while (wndPtr->parent)
449 offset->x += wndPtr->rectClient.left;
450 offset->y += wndPtr->rectClient.top;
451 wndPtr = wndPtr->parent;
455 /* Translate origin to destination window coords */
456 if (hwndTo)
458 if (!(wndPtr = WIN_FindWndPtr( hwndTo )))
460 fprintf(stderr,"MapWindowPoints: bad hwndTo = %04x\n", hwndTo );
461 return;
463 while (wndPtr->parent)
465 offset->x -= wndPtr->rectClient.left;
466 offset->y -= wndPtr->rectClient.top;
467 wndPtr = wndPtr->parent;
473 /*******************************************************************
474 * MapWindowPoints16 (USER.258)
476 void MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
477 LPPOINT16 lppt, UINT16 count )
479 POINT32 offset;
481 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
482 while (count--)
484 lppt->x += offset.x;
485 lppt->y += offset.y;
486 lppt++;
491 /*******************************************************************
492 * MapWindowPoints32 (USER32.385)
494 void MapWindowPoints32( HWND32 hwndFrom, HWND32 hwndTo,
495 LPPOINT32 lppt, UINT32 count )
497 POINT32 offset;
499 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
500 while (count--)
502 lppt->x += offset.x;
503 lppt->y += offset.y;
504 lppt++;
509 /***********************************************************************
510 * IsIconic (USER.31)
512 BOOL16 IsIconic16(HWND16 hWnd)
514 return IsIconic32(hWnd);
516 /***********************************************************************
517 * IsIconic (USER32.344)
519 BOOL32 IsIconic32(HWND32 hWnd)
521 WND * wndPtr = WIN_FindWndPtr(hWnd);
522 if (wndPtr == NULL) return FALSE;
523 return (wndPtr->dwStyle & WS_MINIMIZE) != 0;
527 /***********************************************************************
528 * IsZoomed (USER.272)
530 BOOL16 IsZoomed16(HWND16 hWnd)
532 return IsZoomed32(hWnd);
534 /***********************************************************************
535 * IsZoomed (USER32.351)
537 BOOL32 IsZoomed32(HWND32 hWnd)
539 WND * wndPtr = WIN_FindWndPtr(hWnd);
540 if (wndPtr == NULL) return FALSE;
541 return (wndPtr->dwStyle & WS_MAXIMIZE) != 0;
545 /*******************************************************************
546 * GetActiveWindow (USER.60)
548 HWND16 GetActiveWindow16(void)
550 return GetActiveWindow32();
552 /*******************************************************************
553 * GetActiveWindow (USER32.204)
555 HWND32 GetActiveWindow32(void)
557 return hwndActive;
561 /*******************************************************************
562 * WINPOS_IsGoodEnough
564 static BOOL32 WINPOS_IsGoodEnough(WND* pWnd)
566 return (pWnd) ? ((!(pWnd->dwStyle & WS_DISABLED) &&
567 pWnd->dwStyle & WS_VISIBLE ) ? TRUE : FALSE) : FALSE;
571 /*******************************************************************
572 * SetActiveWindow (USER.59)
574 HWND16 SetActiveWindow16( HWND16 hwnd )
576 return SetActiveWindow32(hwnd);
578 /*******************************************************************
579 * SetActiveWindow (USER.59)
581 HWND32 SetActiveWindow32( HWND32 hwnd )
583 HWND32 prev = hwndActive;
584 WND *wndPtr = WIN_FindWndPtr( hwnd );
586 if ( !WINPOS_IsGoodEnough(wndPtr) ) return 0;
588 WINPOS_SetActiveWindow( hwnd, 0, 0 );
589 return prev;
593 /***********************************************************************
594 * BringWindowToTop (USER.45)
596 BOOL16 BringWindowToTop16( HWND16 hwnd )
598 return BringWindowToTop32(hwnd);
600 /***********************************************************************
601 * BringWindowToTop (USER32.10)
603 BOOL32 BringWindowToTop32( HWND32 hwnd )
605 return SetWindowPos32( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE|SWP_NOSIZE );
609 /***********************************************************************
610 * MoveWindow (USER.56)
612 BOOL16 MoveWindow16(
613 HWND16 hwnd, INT16 x, INT16 y, INT16 cx, INT16 cy, BOOL16 repaint
615 return MoveWindow32(hwnd,x,y,cx,cy,repaint);
617 /***********************************************************************
618 * MoveWindow (USER32.398)
620 BOOL32 MoveWindow32(
621 HWND32 hwnd, INT32 x, INT32 y, INT32 cx, INT32 cy, BOOL32 repaint
622 ) {
623 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
624 if (!repaint) flags |= SWP_NOREDRAW;
625 dprintf_win(stddeb, "MoveWindow: %04x %d,%d %dx%d %d\n",
626 hwnd, x, y, cx, cy, repaint );
627 return SetWindowPos32( hwnd, 0, x, y, cx, cy, flags );
630 /***********************************************************************
631 * ShowWindow (USER.42)
633 BOOL16 ShowWindow16( HWND16 hwnd, INT16 cmd )
635 return ShowWindow32(hwnd,cmd);
637 /***********************************************************************
638 * ShowWindow (USER.42)
640 BOOL32 ShowWindow32( HWND32 hwnd, INT32 cmd )
642 WND * wndPtr = WIN_FindWndPtr( hwnd );
643 BOOL32 wasVisible, showFlag;
644 POINT16 maxSize;
645 int swpflags = 0;
646 short x = 0, y = 0, cx = 0, cy = 0;
648 if (!wndPtr) return FALSE;
650 dprintf_win(stddeb,"ShowWindow: hwnd=%04x, cmd=%d\n", hwnd, cmd);
652 wasVisible = (wndPtr->dwStyle & WS_VISIBLE) != 0;
654 switch(cmd)
656 case SW_HIDE:
657 if (!wasVisible) return FALSE;
658 swpflags |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE |
659 SWP_NOACTIVATE | SWP_NOZORDER;
660 break;
662 case SW_SHOWMINNOACTIVE:
663 swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
664 /* fall through */
665 case SW_SHOWMINIMIZED:
666 swpflags |= SWP_SHOWWINDOW;
667 /* fall through */
668 case SW_MINIMIZE:
669 swpflags |= SWP_FRAMECHANGED;
670 if (!(wndPtr->dwStyle & WS_MINIMIZE))
672 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
673 return 0;
675 if (wndPtr->dwStyle & WS_MAXIMIZE)
677 wndPtr->flags |= WIN_RESTORE_MAX;
678 wndPtr->dwStyle &= ~WS_MAXIMIZE;
680 else
682 wndPtr->flags &= ~WIN_RESTORE_MAX;
683 wndPtr->rectNormal = wndPtr->rectWindow;
685 wndPtr->dwStyle |= WS_MINIMIZE;
686 WINPOS_FindIconPos( hwnd );
687 x = wndPtr->ptIconPos.x;
688 y = wndPtr->ptIconPos.y;
689 cx = SYSMETRICS_CXICON;
690 cy = SYSMETRICS_CYICON;
691 swpflags |= SWP_NOCOPYBITS;
693 else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
694 break;
696 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE: */
697 swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
698 if (!(wndPtr->dwStyle & WS_MAXIMIZE))
700 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
701 return 0;
703 /* Store the current position and find the maximized size */
704 if (!(wndPtr->dwStyle & WS_MINIMIZE))
705 wndPtr->rectNormal = wndPtr->rectWindow;
707 NC_GetMinMaxInfo( wndPtr, &maxSize,
708 &wndPtr->ptMaxPos, NULL, NULL );
709 x = wndPtr->ptMaxPos.x;
710 y = wndPtr->ptMaxPos.y;
712 if( wndPtr->dwStyle & WS_MINIMIZE )
713 if( !SendMessage32A( hwnd, WM_QUERYOPEN, 0, 0L ) )
715 swpflags |= SWP_NOSIZE | SWP_NOMOVE;
716 break;
718 else swpflags |= SWP_NOCOPYBITS;
720 cx = maxSize.x;
721 cy = maxSize.y;
722 wndPtr->dwStyle &= ~WS_MINIMIZE;
723 wndPtr->dwStyle |= WS_MAXIMIZE;
725 else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
726 break;
728 case SW_SHOWNA:
729 swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
730 /* fall through */
731 case SW_SHOW:
732 swpflags |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
733 break;
735 case SW_SHOWNOACTIVATE:
736 swpflags |= SWP_NOZORDER;
737 if (GetActiveWindow32()) swpflags |= SWP_NOACTIVATE;
738 /* fall through */
739 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
740 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
741 case SW_RESTORE:
742 swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
744 if (wndPtr->dwStyle & WS_MINIMIZE)
746 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
747 return 0;
749 if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L) )
751 swpflags |= SWP_NOSIZE | SWP_NOMOVE;
752 break;
754 wndPtr->ptIconPos.x = wndPtr->rectWindow.left;
755 wndPtr->ptIconPos.y = wndPtr->rectWindow.top;
756 wndPtr->dwStyle &= ~WS_MINIMIZE;
757 if (wndPtr->flags & WIN_RESTORE_MAX)
759 /* Restore to maximized position */
760 NC_GetMinMaxInfo( wndPtr, &maxSize, &wndPtr->ptMaxPos,
761 NULL, NULL );
762 x = wndPtr->ptMaxPos.x;
763 y = wndPtr->ptMaxPos.y;
764 cx = maxSize.x;
765 cy = maxSize.y;
766 wndPtr->dwStyle |= WS_MAXIMIZE;
768 else /* Restore to normal position */
770 x = wndPtr->rectNormal.left;
771 y = wndPtr->rectNormal.top;
772 cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
773 cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
775 swpflags |= SWP_NOCOPYBITS;
777 else if (wndPtr->dwStyle & WS_MAXIMIZE)
779 if( HOOK_CallHooks16( WH_CBT, HCBT_MINMAX, hwnd, cmd) )
780 return 0;
782 wndPtr->ptMaxPos.x = wndPtr->rectWindow.left;
783 wndPtr->ptMaxPos.y = wndPtr->rectWindow.top;
784 wndPtr->dwStyle &= ~WS_MAXIMIZE;
785 x = wndPtr->rectNormal.left;
786 y = wndPtr->rectNormal.top;
787 cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
788 cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
790 else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
791 break;
794 showFlag = (cmd != SW_HIDE);
795 if (showFlag != wasVisible)
797 SendMessage16( hwnd, WM_SHOWWINDOW, showFlag, 0 );
798 if (!IsWindow32( hwnd )) return wasVisible;
801 if ((wndPtr->dwStyle & WS_CHILD) &&
802 !IsWindowVisible32( wndPtr->parent->hwndSelf ) &&
803 (swpflags & SWP_NOSIZE) && (swpflags & SWP_NOMOVE))
805 /* Don't call SetWindowPos32() on invisible child windows */
806 if (cmd == SW_HIDE) wndPtr->dwStyle &= ~WS_VISIBLE;
807 else wndPtr->dwStyle |= WS_VISIBLE;
809 else
811 /* We can't activate a child window */
812 if (wndPtr->dwStyle & WS_CHILD)
813 swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
814 SetWindowPos32( hwnd, HWND_TOP, x, y, cx, cy, swpflags );
815 if (!IsWindow32( hwnd )) return wasVisible;
818 if (wndPtr->flags & WIN_NEED_SIZE)
820 /* should happen only in CreateWindowEx() */
821 int wParam = SIZE_RESTORED;
823 wndPtr->flags &= ~WIN_NEED_SIZE;
824 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
825 else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
826 SendMessage16( hwnd, WM_SIZE, wParam,
827 MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
828 wndPtr->rectClient.bottom-wndPtr->rectClient.top));
829 SendMessage16( hwnd, WM_MOVE, 0,
830 MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top) );
833 return wasVisible;
837 /***********************************************************************
838 * GetInternalWindowPos16 (USER.460)
840 UINT16 GetInternalWindowPos16( HWND16 hwnd, LPRECT16 rectWnd, LPPOINT16 ptIcon)
842 WINDOWPLACEMENT16 wndpl;
843 if (!GetWindowPlacement16( hwnd, &wndpl )) return 0;
844 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
845 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
846 return wndpl.showCmd;
850 /***********************************************************************
851 * GetInternalWindowPos32 (USER32.244)
853 UINT32 GetInternalWindowPos32( HWND32 hwnd, LPRECT32 rectWnd, LPPOINT32 ptIcon)
855 WINDOWPLACEMENT32 wndpl;
856 if (!GetWindowPlacement32( hwnd, &wndpl )) return 0;
857 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
858 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
859 return wndpl.showCmd;
863 /***********************************************************************
864 * SetInternalWindowPos16 (USER.461)
866 void SetInternalWindowPos16( HWND16 hwnd, UINT16 showCmd,
867 LPRECT16 rect, LPPOINT16 pt )
869 WINDOWPLACEMENT16 wndpl;
870 WND *wndPtr = WIN_FindWndPtr( hwnd );
872 wndpl.length = sizeof(wndpl);
873 wndpl.flags = (pt != NULL) ? WPF_SETMINPOSITION : 0;
874 wndpl.showCmd = showCmd;
875 if (pt) wndpl.ptMinPosition = *pt;
876 wndpl.rcNormalPosition = (rect != NULL) ? *rect : wndPtr->rectNormal;
877 wndpl.ptMaxPosition = wndPtr->ptMaxPos;
878 SetWindowPlacement16( hwnd, &wndpl );
882 /***********************************************************************
883 * SetInternalWindowPos32 (USER32.482)
885 void SetInternalWindowPos32( HWND32 hwnd, UINT32 showCmd,
886 LPRECT32 rect, LPPOINT32 pt )
888 WINDOWPLACEMENT32 wndpl;
889 WND *wndPtr = WIN_FindWndPtr( hwnd );
891 wndpl.length = sizeof(wndpl);
892 wndpl.flags = (pt != NULL) ? WPF_SETMINPOSITION : 0;
893 wndpl.showCmd = showCmd;
894 if (pt) wndpl.ptMinPosition = *pt;
895 if (rect) wndpl.rcNormalPosition = *rect;
896 else CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl.rcNormalPosition );
897 CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl.ptMaxPosition );
898 SetWindowPlacement32( hwnd, &wndpl );
902 /***********************************************************************
903 * GetWindowPlacement16 (USER.370)
905 BOOL16 GetWindowPlacement16( HWND16 hwnd, WINDOWPLACEMENT16 *wndpl )
907 WND *wndPtr = WIN_FindWndPtr( hwnd );
908 if (!wndPtr) return FALSE;
910 wndpl->length = sizeof(*wndpl);
911 wndpl->flags = 0;
912 wndpl->showCmd = IsZoomed16(hwnd) ? SW_SHOWMAXIMIZED :
913 (IsIconic16(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
914 wndpl->ptMinPosition = wndPtr->ptIconPos;
915 wndpl->ptMaxPosition = wndPtr->ptMaxPos;
916 wndpl->rcNormalPosition = wndPtr->rectNormal;
917 return TRUE;
921 /***********************************************************************
922 * GetWindowPlacement32 (USER32.306)
924 BOOL32 GetWindowPlacement32( HWND32 hwnd, WINDOWPLACEMENT32 *wndpl )
926 WND *wndPtr = WIN_FindWndPtr( hwnd );
927 if (!wndPtr) return FALSE;
929 wndpl->length = sizeof(*wndpl);
930 wndpl->flags = 0;
931 wndpl->showCmd = IsZoomed32(hwnd) ? SW_SHOWMAXIMIZED :
932 (IsIconic32(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
933 CONV_POINT16TO32( &wndPtr->ptIconPos, &wndpl->ptMinPosition );
934 CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl->ptMaxPosition );
935 CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl->rcNormalPosition );
936 return TRUE;
940 /***********************************************************************
941 * SetWindowPlacement16 (USER.371)
943 BOOL16 SetWindowPlacement16( HWND16 hwnd, const WINDOWPLACEMENT16 *wndpl )
945 WND *wndPtr = WIN_FindWndPtr( hwnd );
946 if (!wndPtr) return FALSE;
948 if (wndpl->flags & WPF_SETMINPOSITION)
949 wndPtr->ptIconPos = wndpl->ptMinPosition;
950 if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
951 (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
952 wndPtr->ptMaxPos = wndpl->ptMaxPosition;
953 wndPtr->rectNormal = wndpl->rcNormalPosition;
954 ShowWindow16( hwnd, wndpl->showCmd );
955 return TRUE;
959 /***********************************************************************
960 * SetWindowPlacement32 (USER32.518)
962 BOOL32 SetWindowPlacement32( HWND32 hwnd, const WINDOWPLACEMENT32 *wndpl )
964 WND *wndPtr = WIN_FindWndPtr( hwnd );
965 if (!wndPtr) return FALSE;
967 if (wndpl->flags & WPF_SETMINPOSITION)
968 CONV_POINT32TO16( &wndpl->ptMinPosition, &wndPtr->ptIconPos );
969 if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
970 (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
971 CONV_POINT32TO16( &wndpl->ptMaxPosition, &wndPtr->ptMaxPos );
972 CONV_RECT32TO16( &wndpl->rcNormalPosition, &wndPtr->rectNormal );
973 ShowWindow32( hwnd, wndpl->showCmd );
974 return TRUE;
978 /***********************************************************************
979 * WINPOS_ForceXWindowRaise
981 * Raise a window on top of the X stacking order, while preserving
982 * the correct Windows Z order.
984 static void WINPOS_ForceXWindowRaise( WND* pWnd )
986 XWindowChanges winChanges;
987 WND *wndPrev;
989 /* Raise all windows up to pWnd according to their Z order.
990 * (it would be easier with sibling-related Below but it doesn't
991 * work very well with SGI mwm for instance)
993 winChanges.stack_mode = Above;
994 while (pWnd)
996 if (pWnd->window) XReconfigureWMWindow( display, pWnd->window, 0,
997 CWStackMode, &winChanges );
998 wndPrev = WIN_GetDesktop()->child;
999 if (wndPrev == pWnd) break;
1000 while (wndPrev && (wndPrev->next != pWnd)) wndPrev = wndPrev->next;
1001 pWnd = wndPrev;
1006 /*******************************************************************
1007 * WINPOS_SetActiveWindow
1009 * back-end to SetActiveWindow
1011 BOOL32 WINPOS_SetActiveWindow( HWND32 hWnd, BOOL32 fMouse, BOOL32 fChangeFocus)
1013 WND *wndPtr = WIN_FindWndPtr(hWnd);
1014 WND *wndTemp = WIN_FindWndPtr(hwndActive);
1015 CBTACTIVATESTRUCT16 *cbtStruct;
1016 WORD wIconized=0;
1017 HQUEUE16 hOldActiveQueue = (pActiveQueue)?pActiveQueue->self:0;
1018 HQUEUE16 hNewActiveQueue;
1020 /* paranoid checks */
1021 if( hWnd == GetDesktopWindow32() || hWnd == hwndActive )
1022 return 0;
1024 /* if (wndPtr && (GetTaskQueue(0) != wndPtr->hmemTaskQ))
1025 return 0;
1028 if( wndTemp )
1029 wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
1030 else
1031 dprintf_win(stddeb,"WINPOS_ActivateWindow: no current active window.\n");
1033 /* call CBT hook chain */
1034 if ((cbtStruct = SEGPTR_NEW(CBTACTIVATESTRUCT16)))
1036 LRESULT wRet;
1037 cbtStruct->fMouse = fMouse;
1038 cbtStruct->hWndActive = hwndActive;
1039 wRet = HOOK_CallHooks16( WH_CBT, HCBT_ACTIVATE, (WPARAM16)hWnd,
1040 (LPARAM)SEGPTR_GET(cbtStruct) );
1041 SEGPTR_FREE(cbtStruct);
1042 if (wRet) return wRet;
1045 /* set prev active wnd to current active wnd and send notification */
1046 if ((hwndPrevActive = hwndActive) && IsWindow32(hwndPrevActive))
1048 if (!SendMessage16( hwndPrevActive, WM_NCACTIVATE, FALSE, 0 ))
1050 if (GetSysModalWindow16() != hWnd) return 0;
1051 /* disregard refusal if hWnd is sysmodal */
1054 #if 0
1055 SendMessage32A( hwndPrevActive, WM_ACTIVATE,
1056 MAKEWPARAM( WA_INACTIVE, wIconized ),
1057 (LPARAM)hWnd );
1058 #else
1059 /* FIXME: must be SendMessage16() because 32A doesn't do
1060 * intertask at this time */
1061 SendMessage16( hwndPrevActive, WM_ACTIVATE, WA_INACTIVE,
1062 MAKELPARAM( (HWND16)hWnd, wIconized ) );
1063 #endif
1065 /* check if something happened during message processing */
1066 if( hwndPrevActive != hwndActive ) return 0;
1069 /* set active wnd */
1070 hwndActive = hWnd;
1072 /* send palette messages */
1073 if (hWnd && SendMessage16( hWnd, WM_QUERYNEWPALETTE, 0, 0L))
1074 SendMessage16((HWND16)-1, WM_PALETTEISCHANGING, (WPARAM16)hWnd, 0L );
1076 /* if prev wnd is minimized redraw icon title
1077 if( hwndPrevActive )
1079 wndTemp = WIN_FindWndPtr( WIN_GetTopParent( hwndPrevActive ) );
1080 if(wndTemp)
1081 if(wndTemp->dwStyle & WS_MINIMIZE)
1082 RedrawIconTitle(hwndPrevActive);
1086 /* managed windows will get ConfigureNotify event */
1087 if (wndPtr && !(wndPtr->dwStyle & WS_CHILD) && !(wndPtr->flags & WIN_MANAGED))
1089 /* check Z-order and bring hWnd to the top */
1090 for (wndTemp = WIN_GetDesktop()->child; wndTemp; wndTemp = wndTemp->next)
1091 if (wndTemp->dwStyle & WS_VISIBLE) break;
1093 if( wndTemp != wndPtr )
1094 SetWindowPos32(hWnd, HWND_TOP, 0,0,0,0,
1095 SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE );
1096 if (!IsWindow32(hWnd)) return 0;
1099 hNewActiveQueue = wndPtr ? wndPtr->hmemTaskQ : 0;
1101 /* send WM_ACTIVATEAPP if necessary */
1102 if (hOldActiveQueue != hNewActiveQueue)
1104 WND **list, **ppWnd;
1106 if ((list = WIN_BuildWinArray( WIN_GetDesktop() )))
1108 for (ppWnd = list; *ppWnd; ppWnd++)
1110 if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
1112 if ((*ppWnd)->hmemTaskQ == hOldActiveQueue)
1113 SendMessage16( (*ppWnd)->hwndSelf, WM_ACTIVATEAPP,
1114 0, QUEUE_GetQueueTask(hNewActiveQueue) );
1116 HeapFree( SystemHeap, 0, list );
1119 pActiveQueue = (hNewActiveQueue)
1120 ? (MESSAGEQUEUE*) GlobalLock16(hNewActiveQueue) : NULL;
1122 if ((list = WIN_BuildWinArray( WIN_GetDesktop() )))
1124 for (ppWnd = list; *ppWnd; ppWnd++)
1126 if (!IsWindow32( (*ppWnd)->hwndSelf )) continue;
1128 if ((*ppWnd)->hmemTaskQ == hNewActiveQueue)
1129 SendMessage16( (*ppWnd)->hwndSelf, WM_ACTIVATEAPP,
1130 1, QUEUE_GetQueueTask( hOldActiveQueue ) );
1132 HeapFree( SystemHeap, 0, list );
1134 if (!IsWindow32(hWnd)) return 0;
1137 if (hWnd)
1139 /* walk up to the first unowned window */
1140 wndTemp = wndPtr;
1141 while (wndTemp->owner) wndTemp = wndTemp->owner;
1142 /* and set last active owned popup */
1143 wndTemp->hwndLastActive = hWnd;
1145 wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
1146 SendMessage16( hWnd, WM_NCACTIVATE, TRUE, 0 );
1147 #if 0
1148 SendMessage32A( hWnd, WM_ACTIVATE,
1149 MAKEWPARAM( (fMouse) ? WA_CLICKACTIVE : WA_ACTIVE, wIconized),
1150 (LPARAM)hwndPrevActive );
1151 #else
1152 SendMessage16(hWnd, WM_ACTIVATE, (fMouse) ? WA_CLICKACTIVE : WA_ACTIVE,
1153 MAKELPARAM( (HWND16)hwndPrevActive, wIconized) );
1154 #endif
1156 if( !IsWindow32(hWnd) ) return 0;
1159 /* change focus if possible */
1160 if( fChangeFocus && GetFocus32() )
1161 if( WIN_GetTopParent(GetFocus32()) != hwndActive )
1162 FOCUS_SwitchFocus( GetFocus32(),
1163 (wndPtr->dwStyle & WS_MINIMIZE)? 0: hwndActive);
1165 if( !hwndPrevActive && wndPtr &&
1166 wndPtr->window && !(wndPtr->flags & WIN_MANAGED) )
1167 WINPOS_ForceXWindowRaise(wndPtr);
1169 /* if active wnd is minimized redraw icon title
1170 if( hwndActive )
1172 wndPtr = WIN_FindWndPtr(hwndActive);
1173 if(wndPtr->dwStyle & WS_MINIMIZE)
1174 RedrawIconTitle(hwndActive);
1177 return (hWnd == hwndActive);
1180 /*******************************************************************
1181 * WINPOS_ActivateOtherWindow
1183 * DestroyWindow() helper. pWnd must be a top-level window.
1185 BOOL32 WINPOS_ActivateOtherWindow(WND* pWnd)
1187 BOOL32 bRet = 0;
1188 WND* pWndTo = NULL;
1190 if( pWnd->hwndSelf == hwndPrevActive )
1191 hwndPrevActive = 0;
1193 if( hwndActive != pWnd->hwndSelf &&
1194 ( hwndActive || QUEUE_IsDoomedQueue(pWnd->hmemTaskQ)) )
1195 return 0;
1197 if( pWnd->dwStyle & WS_POPUP &&
1198 WINPOS_IsGoodEnough( pWnd->owner ) ) pWndTo = pWnd->owner;
1199 else
1201 WND* pWndPtr = pWnd;
1203 pWndTo = WIN_FindWndPtr(hwndPrevActive);
1205 while( !WINPOS_IsGoodEnough(pWndTo) )
1207 /* by now owned windows should've been taken care of */
1209 pWndTo = pWndPtr->next;
1210 pWndPtr = pWndTo;
1211 if( !pWndTo ) return 0;
1215 bRet = WINPOS_SetActiveWindow( pWndTo->hwndSelf, FALSE, TRUE );
1217 /* switch desktop queue to current active */
1218 if( pWndTo->parent == WIN_GetDesktop())
1219 WIN_GetDesktop()->hmemTaskQ = pWndTo->hmemTaskQ;
1221 hwndPrevActive = 0;
1222 return bRet;
1225 /*******************************************************************
1226 * WINPOS_ChangeActiveWindow
1229 BOOL32 WINPOS_ChangeActiveWindow( HWND32 hWnd, BOOL32 mouseMsg )
1231 WND *wndPtr = WIN_FindWndPtr(hWnd);
1233 if (!hWnd) return WINPOS_SetActiveWindow( 0, mouseMsg, TRUE );
1235 if( !wndPtr ) return FALSE;
1237 /* child windows get WM_CHILDACTIVATE message */
1238 if( (wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) == WS_CHILD )
1239 return SendMessage16(hWnd, WM_CHILDACTIVATE, 0, 0L);
1241 /* owned popups imply owner activation - not sure */
1242 if ((wndPtr->dwStyle & WS_POPUP) && wndPtr->owner &&
1243 !(wndPtr->owner->dwStyle & WS_DISABLED ))
1245 if (!(wndPtr = wndPtr->owner)) return FALSE;
1246 hWnd = wndPtr->hwndSelf;
1249 if( hWnd == hwndActive ) return FALSE;
1251 if( !WINPOS_SetActiveWindow(hWnd ,mouseMsg ,TRUE) )
1252 return FALSE;
1254 /* switch desktop queue to current active */
1255 if( wndPtr->parent == WIN_GetDesktop())
1256 WIN_GetDesktop()->hmemTaskQ = wndPtr->hmemTaskQ;
1258 return TRUE;
1262 /***********************************************************************
1263 * WINPOS_SendNCCalcSize
1265 * Send a WM_NCCALCSIZE message to a window.
1266 * All parameters are read-only except newClientRect.
1267 * oldWindowRect, oldClientRect and winpos must be non-NULL only
1268 * when calcValidRect is TRUE.
1270 LONG WINPOS_SendNCCalcSize( HWND32 hwnd, BOOL32 calcValidRect,
1271 RECT16 *newWindowRect, RECT16 *oldWindowRect,
1272 RECT16 *oldClientRect, SEGPTR winpos,
1273 RECT16 *newClientRect )
1275 NCCALCSIZE_PARAMS16 *params;
1276 LONG result;
1278 if (!(params = SEGPTR_NEW(NCCALCSIZE_PARAMS16))) return 0;
1279 params->rgrc[0] = *newWindowRect;
1280 if (calcValidRect)
1282 params->rgrc[1] = *oldWindowRect;
1283 params->rgrc[2] = *oldClientRect;
1284 params->lppos = winpos;
1286 result = SendMessage16( hwnd, WM_NCCALCSIZE, calcValidRect,
1287 (LPARAM)SEGPTR_GET( params ) );
1288 dprintf_win( stddeb, "WINPOS_SendNCCalcSize: %d,%d-%d,%d\n",
1289 params->rgrc[0].left, params->rgrc[0].top,
1290 params->rgrc[0].right, params->rgrc[0].bottom );
1291 *newClientRect = params->rgrc[0];
1292 SEGPTR_FREE(params);
1293 return result;
1297 /***********************************************************************
1298 * WINPOS_HandleWindowPosChanging16
1300 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1302 LONG WINPOS_HandleWindowPosChanging16( WND *wndPtr, WINDOWPOS16 *winpos )
1304 POINT16 maxSize;
1305 if (winpos->flags & SWP_NOSIZE) return 0;
1306 if ((wndPtr->dwStyle & WS_THICKFRAME) ||
1307 ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
1309 NC_GetMinMaxInfo( wndPtr, &maxSize, NULL, NULL, NULL );
1310 winpos->cx = MIN( winpos->cx, maxSize.x );
1311 winpos->cy = MIN( winpos->cy, maxSize.y );
1313 return 0;
1317 /***********************************************************************
1318 * WINPOS_HandleWindowPosChanging32
1320 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1322 LONG WINPOS_HandleWindowPosChanging32( WND *wndPtr, WINDOWPOS32 *winpos )
1324 POINT16 maxSize;
1325 if (winpos->flags & SWP_NOSIZE) return 0;
1326 if ((wndPtr->dwStyle & WS_THICKFRAME) ||
1327 ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
1329 NC_GetMinMaxInfo( wndPtr, &maxSize, NULL, NULL, NULL );
1330 winpos->cx = MIN( winpos->cx, maxSize.x );
1331 winpos->cy = MIN( winpos->cy, maxSize.y );
1333 return 0;
1337 /***********************************************************************
1338 * WINPOS_MoveWindowZOrder
1340 * Move a window in Z order, invalidating everything that needs it.
1341 * Only necessary for windows without associated X window.
1343 static void WINPOS_MoveWindowZOrder( HWND32 hwnd, HWND32 hwndAfter )
1345 BOOL32 movingUp;
1346 WND *pWndAfter, *pWndCur, *wndPtr = WIN_FindWndPtr( hwnd );
1348 /* We have two possible cases:
1349 * - The window is moving up: we have to invalidate all areas
1350 * of the window that were covered by other windows
1351 * - The window is moving down: we have to invalidate areas
1352 * of other windows covered by this one.
1355 if (hwndAfter == HWND_TOP)
1357 movingUp = TRUE;
1359 else if (hwndAfter == HWND_BOTTOM)
1361 if (!wndPtr->next) return; /* Already at the bottom */
1362 movingUp = FALSE;
1364 else
1366 if (!(pWndAfter = WIN_FindWndPtr( hwndAfter ))) return;
1367 if (wndPtr->next == pWndAfter) return; /* Already placed right */
1369 /* Determine which window we encounter first in Z-order */
1370 pWndCur = wndPtr->parent->child;
1371 while ((pWndCur != wndPtr) && (pWndCur != pWndAfter))
1372 pWndCur = pWndCur->next;
1373 movingUp = (pWndCur == pWndAfter);
1376 if (movingUp)
1378 WND *pWndPrevAfter = wndPtr->next;
1379 WIN_UnlinkWindow( hwnd );
1380 WIN_LinkWindow( hwnd, hwndAfter );
1381 pWndCur = wndPtr->next;
1382 while (pWndCur != pWndPrevAfter)
1384 RECT32 rect = { pWndCur->rectWindow.left,
1385 pWndCur->rectWindow.top,
1386 pWndCur->rectWindow.right,
1387 pWndCur->rectWindow.bottom };
1388 OffsetRect32( &rect, -wndPtr->rectClient.left,
1389 -wndPtr->rectClient.top );
1390 PAINT_RedrawWindow( hwnd, &rect, 0, RDW_INVALIDATE | RDW_ALLCHILDREN |
1391 RDW_FRAME | RDW_ERASE, 0 );
1392 pWndCur = pWndCur->next;
1395 else /* Moving down */
1397 pWndCur = wndPtr->next;
1398 WIN_UnlinkWindow( hwnd );
1399 WIN_LinkWindow( hwnd, hwndAfter );
1400 while (pWndCur != wndPtr)
1402 RECT32 rect = { pWndCur->rectWindow.left,
1403 pWndCur->rectWindow.top,
1404 pWndCur->rectWindow.right,
1405 pWndCur->rectWindow.bottom };
1406 OffsetRect32( &rect, -pWndCur->rectClient.left,
1407 -pWndCur->rectClient.top );
1408 PAINT_RedrawWindow( pWndCur->hwndSelf, &rect, 0, RDW_INVALIDATE |
1409 RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE, 0 );
1410 pWndCur = pWndCur->next;
1415 /***********************************************************************
1416 * WINPOS_ReorderOwnedPopups
1418 * fix Z order taking into account owned popups -
1419 * basically we need to maintain them above owner window
1421 HWND32 WINPOS_ReorderOwnedPopups(HWND32 hwndInsertAfter,WND* wndPtr,WORD flags)
1423 WND* w = WIN_GetDesktop()->child;
1425 if( wndPtr->dwStyle & WS_POPUP && wndPtr->owner )
1427 /* implement "local z-order" between the top and owner window */
1429 HWND32 hwndLocalPrev = HWND_TOP;
1431 if( hwndInsertAfter != HWND_TOP )
1433 while( w != wndPtr->owner )
1435 if (w != wndPtr) hwndLocalPrev = w->hwndSelf;
1436 if( hwndLocalPrev == hwndInsertAfter ) break;
1437 w = w->next;
1439 hwndInsertAfter = hwndLocalPrev;
1443 else if( wndPtr->dwStyle & WS_CHILD ) return hwndInsertAfter;
1445 w = WIN_GetDesktop()->child;
1446 while( w )
1448 if( w == wndPtr ) break;
1450 if( w->dwStyle & WS_POPUP && w->owner == wndPtr )
1452 SetWindowPos32(w->hwndSelf, hwndInsertAfter, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1453 SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE);
1454 hwndInsertAfter = w->hwndSelf;
1456 w = w->next;
1459 return hwndInsertAfter;
1462 /***********************************************************************
1463 * WINPOS_SizeMoveClean
1465 * Make window look nice without excessive repainting
1467 * the pain:
1469 * visible regions are in window coordinates
1470 * update regions are in window client coordinates
1471 * client and window rectangles are in parent client coordinates
1473 static UINT32 WINPOS_SizeMoveClean(WND* Wnd, HRGN32 oldVisRgn, LPRECT16 lpOldWndRect, LPRECT16 lpOldClientRect, UINT32 uFlags )
1475 HRGN32 newVisRgn = DCE_GetVisRgn(Wnd->hwndSelf,DCX_WINDOW | DCX_CLIPSIBLINGS);
1476 HRGN32 dirtyRgn = CreateRectRgn32(0,0,0,0);
1477 int other, my;
1479 dprintf_win(stddeb,"cleaning up...new wnd=(%i %i-%i %i) old wnd=(%i %i-%i %i)\n\
1480 \t\tnew client=(%i %i-%i %i) old client=(%i %i-%i %i)\n",
1481 Wnd->rectWindow.left, Wnd->rectWindow.top, Wnd->rectWindow.right, Wnd->rectWindow.bottom,
1482 lpOldWndRect->left, lpOldWndRect->top, lpOldWndRect->right, lpOldWndRect->bottom,
1483 Wnd->rectClient.left,Wnd->rectClient.top,Wnd->rectClient.right,Wnd->rectClient.bottom,
1484 lpOldClientRect->left,lpOldClientRect->top,lpOldClientRect->right,lpOldClientRect->bottom);
1486 if( (lpOldWndRect->right - lpOldWndRect->left) != (Wnd->rectWindow.right - Wnd->rectWindow.left) ||
1487 (lpOldWndRect->bottom - lpOldWndRect->top) != (Wnd->rectWindow.bottom - Wnd->rectWindow.top) )
1488 uFlags |= SMC_DRAWFRAME;
1490 CombineRgn32( dirtyRgn, newVisRgn, 0, RGN_COPY);
1492 if( !(uFlags & SMC_NOCOPY) )
1493 CombineRgn32( newVisRgn, newVisRgn, oldVisRgn, RGN_AND );
1495 /* map regions to the parent client area */
1497 OffsetRgn32( dirtyRgn, Wnd->rectWindow.left, Wnd->rectWindow.top );
1498 OffsetRgn32( oldVisRgn, lpOldWndRect->left, lpOldWndRect->top );
1500 /* compute invalidated region outside Wnd - (in client coordinates of the parent window) */
1502 other = CombineRgn32(dirtyRgn, oldVisRgn, dirtyRgn, RGN_DIFF);
1504 /* map visible region to the Wnd client area */
1506 OffsetRgn32( newVisRgn, Wnd->rectWindow.left - Wnd->rectClient.left,
1507 Wnd->rectWindow.top - Wnd->rectClient.top );
1509 /* substract previously invalidated region from the Wnd visible region */
1511 my = (Wnd->hrgnUpdate > 1) ? CombineRgn32( newVisRgn, newVisRgn,
1512 Wnd->hrgnUpdate, RGN_DIFF)
1513 : COMPLEXREGION;
1515 if( uFlags & SMC_NOCOPY ) /* invalidate Wnd visible region */
1517 if (my != NULLREGION)
1518 PAINT_RedrawWindow( Wnd->hwndSelf, NULL, newVisRgn, RDW_INVALIDATE |
1519 RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1520 else if(uFlags & SMC_DRAWFRAME)
1521 Wnd->flags |= WIN_NEEDS_NCPAINT;
1523 else /* bitblt old client area */
1525 HDC32 hDC;
1526 int update;
1527 HRGN32 updateRgn;
1528 int xfrom,yfrom,xto,yto,width,height;
1530 if( uFlags & SMC_DRAWFRAME )
1532 /* copy only client area, frame will be redrawn anyway */
1534 xfrom = lpOldClientRect->left; yfrom = lpOldClientRect->top;
1535 xto = Wnd->rectClient.left; yto = Wnd->rectClient.top;
1536 width = lpOldClientRect->right - xfrom; height = lpOldClientRect->bottom - yfrom;
1537 updateRgn = CreateRectRgn32( 0, 0, width, height );
1538 CombineRgn32( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1539 SetRectRgn32( updateRgn, 0, 0, Wnd->rectClient.right - xto,
1540 Wnd->rectClient.bottom - yto );
1542 else
1544 xfrom = lpOldWndRect->left; yfrom = lpOldWndRect->top;
1545 xto = Wnd->rectWindow.left; yto = Wnd->rectWindow.top;
1546 width = lpOldWndRect->right - xfrom; height = lpOldWndRect->bottom - yfrom;
1547 updateRgn = CreateRectRgn32( xto - Wnd->rectClient.left,
1548 yto - Wnd->rectClient.top,
1549 Wnd->rectWindow.right - Wnd->rectClient.left,
1550 Wnd->rectWindow.bottom - Wnd->rectClient.top );
1553 CombineRgn32( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1555 /* substract new visRgn from target rect to get a region that won't be copied */
1557 update = CombineRgn32( updateRgn, updateRgn, newVisRgn, RGN_DIFF );
1559 /* Blt valid bits using parent window DC */
1561 if( my != NULLREGION && (xfrom != xto || yfrom != yto) )
1564 /* compute clipping region in parent client coordinates */
1566 OffsetRgn32( newVisRgn, Wnd->rectClient.left, Wnd->rectClient.top );
1567 CombineRgn32( oldVisRgn, oldVisRgn, newVisRgn, RGN_OR );
1569 hDC = GetDCEx32( Wnd->parent->hwndSelf, oldVisRgn,
1570 DCX_KEEPCLIPRGN | DCX_INTERSECTRGN |
1571 DCX_CACHE | DCX_CLIPSIBLINGS);
1573 BitBlt32( hDC, xto, yto, width, height, hDC, xfrom, yfrom, SRCCOPY );
1574 ReleaseDC32( Wnd->parent->hwndSelf, hDC);
1577 if( update != NULLREGION )
1578 PAINT_RedrawWindow( Wnd->hwndSelf, NULL, updateRgn, RDW_INVALIDATE |
1579 RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1580 else if( uFlags & SMC_DRAWFRAME ) Wnd->flags |= WIN_NEEDS_NCPAINT;
1581 DeleteObject32( updateRgn );
1584 /* erase uncovered areas */
1586 if( !(uFlags & SMC_NOPARENTERASE) && (other != NULLREGION ) )
1587 PAINT_RedrawWindow( Wnd->parent->hwndSelf, NULL, dirtyRgn,
1588 RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE, RDW_C_USEHRGN );
1589 DeleteObject32(dirtyRgn);
1590 DeleteObject32(newVisRgn);
1591 return uFlags;
1595 /***********************************************************************
1596 * WINPOS_FindDeskTopXWindow
1598 * Find the actual X window which needs be restacked.
1599 * Used by WINPOS_SetXWindowPos().
1601 static Window WINPOS_FindDeskTopXWindow( WND *wndPtr )
1603 if (!(wndPtr->flags & WIN_MANAGED))
1604 return wndPtr->window;
1605 else
1607 Window window, root, parent, *children;
1608 int nchildren;
1609 window = wndPtr->window;
1610 for (;;)
1612 XQueryTree( display, window, &root, &parent,
1613 &children, &nchildren );
1614 XFree( children );
1615 if (parent == root)
1616 return window;
1617 window = parent;
1622 /***********************************************************************
1623 * WINPOS_SetXWindowPos
1625 * SetWindowPos() for an X window. Used by the real SetWindowPos().
1627 static void WINPOS_SetXWindowPos( WINDOWPOS16 *winpos )
1629 XWindowChanges winChanges;
1630 int changeMask = 0;
1631 WND *wndPtr = WIN_FindWndPtr( winpos->hwnd );
1633 if (!(winpos->flags & SWP_NOSIZE))
1635 winChanges.width = winpos->cx;
1636 winChanges.height = winpos->cy;
1637 changeMask |= CWWidth | CWHeight;
1639 /* Tweak dialog window size hints */
1641 if ((wndPtr->flags & WIN_MANAGED) &&
1642 (wndPtr->dwExStyle & WS_EX_DLGMODALFRAME))
1644 XSizeHints *size_hints = XAllocSizeHints();
1646 if (size_hints)
1648 long supplied_return;
1650 XGetWMSizeHints( display, wndPtr->window, size_hints,
1651 &supplied_return, XA_WM_NORMAL_HINTS);
1652 size_hints->min_width = size_hints->max_width = winpos->cx;
1653 size_hints->min_height = size_hints->max_height = winpos->cy;
1654 XSetWMSizeHints( display, wndPtr->window, size_hints,
1655 XA_WM_NORMAL_HINTS );
1656 XFree(size_hints);
1660 if (!(winpos->flags & SWP_NOMOVE))
1662 winChanges.x = winpos->x;
1663 winChanges.y = winpos->y;
1664 changeMask |= CWX | CWY;
1666 if (!(winpos->flags & SWP_NOZORDER))
1668 winChanges.stack_mode = Below;
1669 changeMask |= CWStackMode;
1671 if (winpos->hwndInsertAfter == HWND_TOP) winChanges.stack_mode = Above;
1672 else if (winpos->hwndInsertAfter != HWND_BOTTOM)
1674 WND* insertPtr = WIN_FindWndPtr( winpos->hwndInsertAfter );
1675 Window stack[2];
1677 stack[0] = WINPOS_FindDeskTopXWindow( insertPtr );
1678 stack[1] = WINPOS_FindDeskTopXWindow( wndPtr );
1680 /* for stupid window managers (i.e. all of them) */
1682 XRestackWindows(display, stack, 2);
1683 changeMask &= ~CWStackMode;
1686 if (!changeMask) return;
1688 XReconfigureWMWindow( display, wndPtr->window, 0, changeMask, &winChanges );
1692 /***********************************************************************
1693 * SetWindowPos (USER.232)
1695 BOOL16 SetWindowPos16( HWND16 hwnd, HWND16 hwndInsertAfter, INT16 x, INT16 y,
1696 INT16 cx, INT16 cy, WORD flags )
1698 return SetWindowPos32(hwnd,(INT32)(INT16)hwndInsertAfter,x,y,cx,cy,flags);
1701 /***********************************************************************
1702 * SetWindowPos (USER32.519)
1704 BOOL32 SetWindowPos32( HWND32 hwnd, HWND32 hwndInsertAfter, INT32 x, INT32 y,
1705 INT32 cx, INT32 cy, WORD flags )
1707 WINDOWPOS16 *winpos;
1708 WND * wndPtr;
1709 RECT16 newWindowRect, newClientRect, oldWindowRect;
1710 HRGN32 visRgn = 0;
1711 HWND32 tempInsertAfter= 0;
1712 int result = 0;
1713 UINT32 uFlags = 0;
1715 dprintf_win(stddeb,"SetWindowPos: hwnd %04x, (%i,%i)-(%i,%i) flags %08x\n",
1716 hwnd, x, y, x+cx, y+cy, flags);
1717 /* Check window handle */
1719 if (hwnd == GetDesktopWindow32()) return FALSE;
1720 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
1722 if (wndPtr->dwStyle & WS_VISIBLE) flags &= ~SWP_SHOWWINDOW;
1723 else
1725 uFlags |= SMC_NOPARENTERASE;
1726 flags &= ~SWP_HIDEWINDOW;
1727 if (!(flags & SWP_SHOWWINDOW)) flags |= SWP_NOREDRAW;
1730 /* Check for windows that may not be resized
1731 FIXME: this should be done only for Windows 3.0 programs
1732 if (flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW ) )
1733 flags |= SWP_NOSIZE | SWP_NOMOVE;
1735 /* Check dimensions */
1737 if (cx <= 0) cx = 1;
1738 if (cy <= 0) cy = 1;
1740 /* Check flags */
1742 if (hwnd == hwndActive) flags |= SWP_NOACTIVATE; /* Already active */
1743 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == cx) &&
1744 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == cy))
1745 flags |= SWP_NOSIZE; /* Already the right size */
1746 if ((wndPtr->rectWindow.left == x) && (wndPtr->rectWindow.top == y))
1747 flags |= SWP_NOMOVE; /* Already the right position */
1749 /* Check hwndInsertAfter */
1751 if (!(flags & (SWP_NOZORDER | SWP_NOACTIVATE)))
1753 /* Ignore TOPMOST flags when activating a window */
1754 /* _and_ moving it in Z order. */
1755 if ((hwndInsertAfter == HWND_TOPMOST) ||
1756 (hwndInsertAfter == HWND_NOTOPMOST))
1757 hwndInsertAfter = HWND_TOP;
1759 /* TOPMOST not supported yet */
1760 if ((hwndInsertAfter == HWND_TOPMOST) ||
1761 (hwndInsertAfter == HWND_NOTOPMOST)) hwndInsertAfter = HWND_TOP;
1763 /* hwndInsertAfter must be a sibling of the window */
1764 if ((hwndInsertAfter != HWND_TOP) && (hwndInsertAfter != HWND_BOTTOM))
1766 WND* wnd = WIN_FindWndPtr(hwndInsertAfter);
1767 if( wnd->parent != wndPtr->parent ) return FALSE;
1768 if( wnd->next == wndPtr ) flags |= SWP_NOZORDER;
1770 else if (!(wndPtr->window))
1771 /* FIXME: the following optimization is no good for "X-ed" windows */
1772 if (hwndInsertAfter == HWND_TOP)
1773 flags |= ( wndPtr->parent->child == wndPtr)? SWP_NOZORDER: 0;
1774 else /* HWND_BOTTOM */
1775 flags |= ( wndPtr->next )? 0: SWP_NOZORDER;
1777 /* Fill the WINDOWPOS structure */
1779 if (!(winpos = SEGPTR_NEW(WINDOWPOS16))) return FALSE;
1780 winpos->hwnd = hwnd;
1781 winpos->hwndInsertAfter = hwndInsertAfter;
1782 winpos->x = x;
1783 winpos->y = y;
1784 winpos->cx = cx;
1785 winpos->cy = cy;
1786 winpos->flags = flags;
1788 /* Send WM_WINDOWPOSCHANGING message */
1790 if (!(flags & SWP_NOSENDCHANGING))
1791 SendMessage16( hwnd, WM_WINDOWPOSCHANGING, 0,
1792 (LPARAM)SEGPTR_GET(winpos) );
1794 /* Calculate new position and size */
1796 newWindowRect = wndPtr->rectWindow;
1797 newClientRect = (wndPtr->dwStyle & WS_MINIMIZE) ? wndPtr->rectWindow
1798 : wndPtr->rectClient;
1800 if (!(winpos->flags & SWP_NOSIZE))
1802 newWindowRect.right = newWindowRect.left + winpos->cx;
1803 newWindowRect.bottom = newWindowRect.top + winpos->cy;
1805 if (!(winpos->flags & SWP_NOMOVE))
1807 newWindowRect.left = winpos->x;
1808 newWindowRect.top = winpos->y;
1809 newWindowRect.right += winpos->x - wndPtr->rectWindow.left;
1810 newWindowRect.bottom += winpos->y - wndPtr->rectWindow.top;
1812 OffsetRect16( &newClientRect, winpos->x - wndPtr->rectWindow.left,
1813 winpos->y - wndPtr->rectWindow.top );
1816 winpos->flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1818 /* Reposition window in Z order */
1820 if (!(winpos->flags & SWP_NOZORDER))
1822 /* reorder owned popups if hwnd is top-level window
1824 if( wndPtr->parent == WIN_GetDesktop() )
1825 hwndInsertAfter = WINPOS_ReorderOwnedPopups( hwndInsertAfter,
1826 wndPtr, flags );
1828 if (wndPtr->window)
1830 WIN_UnlinkWindow( winpos->hwnd );
1831 WIN_LinkWindow( winpos->hwnd, hwndInsertAfter );
1833 else WINPOS_MoveWindowZOrder( winpos->hwnd, hwndInsertAfter );
1836 if ( !wndPtr->window && !(flags & SWP_NOREDRAW) &&
1837 (!(flags & SWP_NOMOVE) || !(flags & SWP_NOSIZE) || (flags & SWP_FRAMECHANGED)) )
1838 visRgn = DCE_GetVisRgn(hwnd, DCX_WINDOW | DCX_CLIPSIBLINGS);
1841 /* Send WM_NCCALCSIZE message to get new client area */
1842 if( (flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1844 result = WINPOS_SendNCCalcSize( winpos->hwnd, TRUE, &newWindowRect,
1845 &wndPtr->rectWindow, &wndPtr->rectClient,
1846 SEGPTR_GET(winpos), &newClientRect );
1848 /* FIXME: WVR_ALIGNxxx */
1850 if( newClientRect.left != wndPtr->rectClient.left ||
1851 newClientRect.top != wndPtr->rectClient.top )
1852 winpos->flags &= ~SWP_NOCLIENTMOVE;
1854 if( (newClientRect.right - newClientRect.left !=
1855 wndPtr->rectClient.right - wndPtr->rectClient.left) ||
1856 (newClientRect.bottom - newClientRect.top !=
1857 wndPtr->rectClient.bottom - wndPtr->rectClient.top) )
1858 winpos->flags &= ~SWP_NOCLIENTSIZE;
1860 else
1861 if( !(flags & SWP_NOMOVE) && (newClientRect.left != wndPtr->rectClient.left ||
1862 newClientRect.top != wndPtr->rectClient.top) )
1863 winpos->flags &= ~SWP_NOCLIENTMOVE;
1865 /* Update active DCEs */
1867 if( !(flags & SWP_NOZORDER) || (flags & SWP_HIDEWINDOW) || (flags & SWP_SHOWWINDOW)
1868 || (memcmp(&newWindowRect,&wndPtr->rectWindow,sizeof(RECT16))
1869 && wndPtr->dwStyle & WS_VISIBLE ) )
1871 RECT16 rect;
1873 UnionRect16(&rect,&newWindowRect,&wndPtr->rectWindow);
1874 DCE_InvalidateDCE(wndPtr->parent, &rect);
1877 /* change geometry */
1879 oldWindowRect = wndPtr->rectWindow;
1881 if (wndPtr->window)
1883 RECT16 oldClientRect = wndPtr->rectClient;
1885 tempInsertAfter = winpos->hwndInsertAfter;
1887 winpos->hwndInsertAfter = hwndInsertAfter;
1889 /* postpone geometry change */
1891 if( !(flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW)) )
1893 WINPOS_SetXWindowPos( winpos );
1894 winpos->hwndInsertAfter = tempInsertAfter;
1896 else uFlags |= SMC_SETXPOS;
1898 wndPtr->rectWindow = newWindowRect;
1899 wndPtr->rectClient = newClientRect;
1901 if( !(flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW)) )
1902 if( (oldClientRect.left - oldWindowRect.left !=
1903 newClientRect.left - newWindowRect.left) ||
1904 (oldClientRect.top - oldWindowRect.top !=
1905 newClientRect.top - newWindowRect.top) || winpos->flags & SWP_NOCOPYBITS )
1907 PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, RDW_INVALIDATE |
1908 RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE, 0 );
1909 else
1910 if( winpos->flags & SWP_FRAMECHANGED )
1912 WORD wErase = 0;
1913 RECT32 rect;
1915 if( oldClientRect.right > newClientRect.right )
1917 rect.left = newClientRect.right; rect.top = newClientRect.top;
1918 rect.right = oldClientRect.right; rect.bottom = newClientRect.bottom;
1919 wErase = 1;
1920 PAINT_RedrawWindow( wndPtr->hwndSelf, &rect, 0,
1921 RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN, 0 );
1923 if( oldClientRect.bottom > newClientRect.bottom )
1925 rect.left = newClientRect.left; rect.top = newClientRect.bottom;
1926 rect.right = (wErase)?oldClientRect.right:newClientRect.right;
1927 rect.bottom = oldClientRect.bottom;
1928 wErase = 1;
1929 PAINT_RedrawWindow( wndPtr->hwndSelf, &rect, 0,
1930 RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN, 0 );
1932 if( !wErase ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1935 else
1937 RECT16 oldClientRect = wndPtr->rectClient;
1939 wndPtr->rectWindow = newWindowRect;
1940 wndPtr->rectClient = newClientRect;
1942 if( oldClientRect.bottom - oldClientRect.top ==
1943 newClientRect.bottom - newClientRect.top ) result &= ~WVR_VREDRAW;
1945 if( oldClientRect.right - oldClientRect.left ==
1946 newClientRect.right - newClientRect.left ) result &= ~WVR_HREDRAW;
1948 if( !(flags & (SWP_NOREDRAW | SWP_HIDEWINDOW | SWP_SHOWWINDOW)) )
1950 uFlags |= ((winpos->flags & SWP_NOCOPYBITS) ||
1951 (result >= WVR_HREDRAW && result < WVR_VALIDRECTS)) ? SMC_NOCOPY : 0;
1952 uFlags |= (winpos->flags & SWP_FRAMECHANGED) ? SMC_DRAWFRAME : 0;
1954 if( (winpos->flags & SWP_AGG_NOGEOMETRYCHANGE) != SWP_AGG_NOGEOMETRYCHANGE )
1955 uFlags = WINPOS_SizeMoveClean(wndPtr, visRgn, &oldWindowRect,
1956 &oldClientRect, uFlags);
1957 else
1959 /* adjust frame and do not erase parent */
1961 if( winpos->flags & SWP_FRAMECHANGED ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1962 if( winpos->flags & SWP_NOZORDER ) uFlags |= SMC_NOPARENTERASE;
1965 DeleteObject32(visRgn);
1968 if (flags & SWP_SHOWWINDOW)
1970 wndPtr->dwStyle |= WS_VISIBLE;
1971 if (wndPtr->window)
1973 if( uFlags & SMC_SETXPOS )
1975 WINPOS_SetXWindowPos( winpos );
1976 winpos->hwndInsertAfter = tempInsertAfter;
1978 XMapWindow( display, wndPtr->window );
1980 else
1982 if (!(flags & SWP_NOREDRAW))
1983 PAINT_RedrawWindow( winpos->hwnd, NULL, 0,
1984 RDW_INVALIDATE | RDW_ALLCHILDREN |
1985 RDW_FRAME | RDW_ERASENOW | RDW_ERASE, 0 );
1988 else if (flags & SWP_HIDEWINDOW)
1990 wndPtr->dwStyle &= ~WS_VISIBLE;
1991 if (wndPtr->window)
1993 XUnmapWindow( display, wndPtr->window );
1994 if( uFlags & SMC_SETXPOS )
1996 WINPOS_SetXWindowPos( winpos );
1997 winpos->hwndInsertAfter = tempInsertAfter;
2000 else
2002 if (!(flags & SWP_NOREDRAW))
2004 RECT32 rect = { oldWindowRect.left, oldWindowRect.top,
2005 oldWindowRect.right, oldWindowRect.bottom };
2006 PAINT_RedrawWindow( wndPtr->parent->hwndSelf, &rect, 0,
2007 RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE | RDW_ERASENOW, 0);
2009 uFlags |= SMC_NOPARENTERASE;
2012 if ((winpos->hwnd == GetFocus32()) ||
2013 IsChild32( winpos->hwnd, GetFocus32()))
2015 /* Revert focus to parent */
2016 SetFocus32( GetParent32(winpos->hwnd) );
2018 if (hwnd == CARET_GetHwnd()) DestroyCaret32();
2020 if (winpos->hwnd == hwndActive)
2022 /* Activate previously active window if possible */
2023 HWND32 newActive = hwndPrevActive;
2024 if (!IsWindow32(newActive) || (newActive == winpos->hwnd))
2026 newActive = GetTopWindow32( GetDesktopWindow32() );
2027 if (newActive == winpos->hwnd)
2028 newActive = wndPtr->next ? wndPtr->next->hwndSelf : 0;
2030 WINPOS_ChangeActiveWindow( newActive, FALSE );
2034 /* Activate the window */
2036 if (!(flags & SWP_NOACTIVATE))
2037 WINPOS_ChangeActiveWindow( winpos->hwnd, FALSE );
2039 /* Repaint the window */
2041 if (wndPtr->window) EVENT_Synchronize(); /* Wait for all expose events */
2043 EVENT_DummyMotionNotify(); /* Simulate a mouse event to set the cursor */
2045 if (!(flags & SWP_DEFERERASE) && !(uFlags & SMC_NOPARENTERASE) )
2047 RECT32 rect;
2048 CONV_RECT16TO32( &oldWindowRect, &rect );
2049 PAINT_RedrawWindow( wndPtr->parent->hwndSelf, (wndPtr->flags & WIN_SAVEUNDER_OVERRIDE)
2050 ? &rect : NULL, 0, RDW_ALLCHILDREN | RDW_ERASENOW |
2051 ((wndPtr->flags & WIN_SAVEUNDER_OVERRIDE) ? RDW_INVALIDATE : 0), 0 );
2052 wndPtr->flags &= ~WIN_SAVEUNDER_OVERRIDE;
2054 else if( wndPtr->parent == WIN_GetDesktop() && wndPtr->parent->flags & WIN_NEEDS_ERASEBKGND )
2055 PAINT_RedrawWindow( wndPtr->parent->hwndSelf, NULL, 0, RDW_NOCHILDREN | RDW_ERASENOW, 0 );
2057 /* And last, send the WM_WINDOWPOSCHANGED message */
2059 dprintf_win(stddeb,"\tstatus flags = %04x\n", winpos->flags & SWP_AGG_STATUSFLAGS);
2061 if ( ((winpos->flags & SWP_AGG_STATUSFLAGS) != SWP_AGG_NOPOSCHANGE) &&
2062 !(winpos->flags & SWP_NOSENDCHANGING))
2063 SendMessage16( winpos->hwnd, WM_WINDOWPOSCHANGED,
2064 0, (LPARAM)SEGPTR_GET(winpos) );
2066 SEGPTR_FREE(winpos);
2067 return TRUE;
2071 /***********************************************************************
2072 * BeginDeferWindowPos16 (USER.259)
2074 HDWP16 BeginDeferWindowPos16( INT16 count )
2076 return BeginDeferWindowPos32( count );
2080 /***********************************************************************
2081 * BeginDeferWindowPos32 (USER32.8)
2083 HDWP32 BeginDeferWindowPos32( INT32 count )
2085 HDWP32 handle;
2086 DWP *pDWP;
2088 if (count <= 0) return 0;
2089 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS32) );
2090 if (!handle) return 0;
2091 pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
2092 pDWP->actualCount = 0;
2093 pDWP->suggestedCount = count;
2094 pDWP->valid = TRUE;
2095 pDWP->wMagic = DWP_MAGIC;
2096 pDWP->hwndParent = 0;
2097 return handle;
2101 /***********************************************************************
2102 * DeferWindowPos16 (USER.260)
2104 HDWP16 DeferWindowPos16( HDWP16 hdwp, HWND16 hwnd, HWND16 hwndAfter,
2105 INT16 x, INT16 y, INT16 cx, INT16 cy, UINT16 flags )
2107 return DeferWindowPos32( hdwp, hwnd, (INT32)(INT16)hwndAfter,
2108 x, y, cx, cy, flags );
2112 /***********************************************************************
2113 * DeferWindowPos32 (USER32.127)
2115 HDWP32 DeferWindowPos32( HDWP32 hdwp, HWND32 hwnd, HWND32 hwndAfter,
2116 INT32 x, INT32 y, INT32 cx, INT32 cy, UINT32 flags )
2118 DWP *pDWP;
2119 int i;
2120 HDWP32 newhdwp = hdwp;
2121 HWND32 parent;
2123 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2124 if (!pDWP) return 0;
2125 if (hwnd == GetDesktopWindow32()) return 0;
2127 /* All the windows of a DeferWindowPos() must have the same parent */
2129 parent = WIN_FindWndPtr( hwnd )->parent->hwndSelf;
2130 if (pDWP->actualCount == 0) pDWP->hwndParent = parent;
2131 else if (parent != pDWP->hwndParent)
2133 USER_HEAP_FREE( hdwp );
2134 return 0;
2137 for (i = 0; i < pDWP->actualCount; i++)
2139 if (pDWP->winPos[i].hwnd == hwnd)
2141 /* Merge with the other changes */
2142 if (!(flags & SWP_NOZORDER))
2144 pDWP->winPos[i].hwndInsertAfter = hwndAfter;
2146 if (!(flags & SWP_NOMOVE))
2148 pDWP->winPos[i].x = x;
2149 pDWP->winPos[i].y = y;
2151 if (!(flags & SWP_NOSIZE))
2153 pDWP->winPos[i].cx = cx;
2154 pDWP->winPos[i].cy = cy;
2156 pDWP->winPos[i].flags &= flags & (SWP_NOSIZE | SWP_NOMOVE |
2157 SWP_NOZORDER | SWP_NOREDRAW |
2158 SWP_NOACTIVATE | SWP_NOCOPYBITS |
2159 SWP_NOOWNERZORDER);
2160 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
2161 SWP_FRAMECHANGED);
2162 return hdwp;
2165 if (pDWP->actualCount >= pDWP->suggestedCount)
2167 newhdwp = USER_HEAP_REALLOC( hdwp,
2168 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS32) );
2169 if (!newhdwp) return 0;
2170 pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
2171 pDWP->suggestedCount++;
2173 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
2174 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
2175 pDWP->winPos[pDWP->actualCount].x = x;
2176 pDWP->winPos[pDWP->actualCount].y = y;
2177 pDWP->winPos[pDWP->actualCount].cx = cx;
2178 pDWP->winPos[pDWP->actualCount].cy = cy;
2179 pDWP->winPos[pDWP->actualCount].flags = flags;
2180 pDWP->actualCount++;
2181 return newhdwp;
2185 /***********************************************************************
2186 * EndDeferWindowPos16 (USER.261)
2188 BOOL16 EndDeferWindowPos16( HDWP16 hdwp )
2190 return EndDeferWindowPos32( hdwp );
2194 /***********************************************************************
2195 * EndDeferWindowPos32 (USER32.172)
2197 BOOL32 EndDeferWindowPos32( HDWP32 hdwp )
2199 DWP *pDWP;
2200 WINDOWPOS32 *winpos;
2201 BOOL32 res = TRUE;
2202 int i;
2204 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
2205 if (!pDWP) return FALSE;
2206 for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
2208 if (!(res = SetWindowPos32( winpos->hwnd, winpos->hwndInsertAfter,
2209 winpos->x, winpos->y, winpos->cx,
2210 winpos->cy, winpos->flags ))) break;
2212 USER_HEAP_FREE( hdwp );
2213 return res;
2217 /***********************************************************************
2218 * TileChildWindows (USER.199)
2220 void TileChildWindows( HWND16 parent, WORD action )
2222 printf("STUB TileChildWindows(%04x, %d)\n", parent, action);
2225 /***********************************************************************
2226 * CascageChildWindows (USER.198)
2228 void CascadeChildWindows( HWND16 parent, WORD action )
2230 printf("STUB CascadeChildWindows(%04x, %d)\n", parent, action);