Release 960623
[wine.git] / windows / winpos.c
blobe2c3ff7d6b86ad74b210662dfcca3bfe72dda595
1 /*
2 * Window position related functions.
4 * Copyright 1993, 1994, 1995 Alexandre Julliard
5 * 1995,1996 Alex Korobka
6 */
8 #include "sysmetrics.h"
9 #include "heap.h"
10 #include "module.h"
11 #include "user.h"
12 #include "win.h"
13 #include "hook.h"
14 #include "message.h"
15 #include "queue.h"
16 #include "stackframe.h"
17 #include "winpos.h"
18 #include "dce.h"
19 #include "nonclient.h"
20 #include "stddebug.h"
21 /* #define DEBUG_WIN */
22 #include "debug.h"
24 #define SWP_NOPOSCHANGE (SWP_NOSIZE | SWP_NOMOVE | SWP_NOCLIENTSIZE | SWP_NOCLIENTMOVE)
26 /* ----- external functions ----- */
28 extern void FOCUS_SwitchFocus( HWND , HWND );
29 extern HRGN DCE_GetVisRgn( HWND, WORD );
30 extern HWND CARET_GetHwnd();
31 extern BOOL DCE_InvalidateDCE(WND*, RECT16* );
33 /* ----- internal variables ----- */
35 static HWND hwndActive = 0; /* Currently active window */
36 static HWND hwndPrevActive = 0; /* Previously active window */
38 /***********************************************************************
39 * WINPOS_FindIconPos
41 * Find a suitable place for an iconic window.
42 * The new position is stored into wndPtr->ptIconPos.
44 void WINPOS_FindIconPos( HWND hwnd )
46 RECT16 rectParent;
47 short x, y, xspacing, yspacing;
48 WND * wndPtr = WIN_FindWndPtr( hwnd );
50 if (!wndPtr || !wndPtr->parent) return;
51 GetClientRect16( wndPtr->parent->hwndSelf, &rectParent );
52 if ((wndPtr->ptIconPos.x >= rectParent.left) &&
53 (wndPtr->ptIconPos.x + SYSMETRICS_CXICON < rectParent.right) &&
54 (wndPtr->ptIconPos.y >= rectParent.top) &&
55 (wndPtr->ptIconPos.y + SYSMETRICS_CYICON < rectParent.bottom))
56 return; /* The icon already has a suitable position */
58 xspacing = yspacing = 70; /* FIXME: This should come from WIN.INI */
59 y = rectParent.bottom;
60 for (;;)
62 for (x = rectParent.left; x<=rectParent.right-xspacing; x += xspacing)
64 /* Check if another icon already occupies this spot */
65 WND *childPtr = wndPtr->parent->child;
66 while (childPtr)
68 if ((childPtr->dwStyle & WS_MINIMIZE) && (childPtr != wndPtr))
70 if ((childPtr->rectWindow.left < x + xspacing) &&
71 (childPtr->rectWindow.right >= x) &&
72 (childPtr->rectWindow.top <= y) &&
73 (childPtr->rectWindow.bottom > y - yspacing))
74 break; /* There's a window in there */
76 childPtr = childPtr->next;
78 if (!childPtr)
80 /* No window was found, so it's OK for us */
81 wndPtr->ptIconPos.x = x + (xspacing - SYSMETRICS_CXICON) / 2;
82 wndPtr->ptIconPos.y = y - (yspacing + SYSMETRICS_CYICON) / 2;
83 return;
86 y -= yspacing;
91 /***********************************************************************
92 * ArrangeIconicWindows (USER.170)
94 UINT ArrangeIconicWindows( HWND parent )
96 RECT16 rectParent;
97 HWND hwndChild;
98 INT x, y, xspacing, yspacing;
100 GetClientRect16( parent, &rectParent );
101 x = rectParent.left;
102 y = rectParent.bottom;
103 xspacing = yspacing = 70; /* FIXME: This should come from WIN.INI */
104 hwndChild = GetWindow( parent, GW_CHILD );
105 while (hwndChild)
107 if (IsIconic( hwndChild ))
109 SetWindowPos( hwndChild, 0, x + (xspacing - SYSMETRICS_CXICON) / 2,
110 y - (yspacing + SYSMETRICS_CYICON) / 2, 0, 0,
111 SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE );
112 if (x <= rectParent.right - xspacing) x += xspacing;
113 else
115 x = rectParent.left;
116 y -= yspacing;
119 hwndChild = GetWindow( hwndChild, GW_HWNDNEXT );
121 return yspacing;
125 /***********************************************************************
126 * GetWindowRect16 (USER.32)
128 void GetWindowRect16( HWND16 hwnd, LPRECT16 rect )
130 WND * wndPtr = WIN_FindWndPtr( hwnd );
131 if (!wndPtr) return;
133 *rect = wndPtr->rectWindow;
134 if (wndPtr->dwStyle & WS_CHILD)
135 MapWindowPoints16( wndPtr->parent->hwndSelf, 0, (POINT16 *)rect, 2 );
139 /***********************************************************************
140 * GetWindowRect32 (USER.32)
142 void GetWindowRect32( HWND32 hwnd, LPRECT32 rect )
144 WND * wndPtr = WIN_FindWndPtr( hwnd );
145 if (!wndPtr) return;
147 CONV_RECT16TO32( &wndPtr->rectWindow, rect );
148 if (wndPtr->dwStyle & WS_CHILD)
149 MapWindowPoints32( wndPtr->parent->hwndSelf, 0, (POINT32 *)rect, 2 );
153 /***********************************************************************
154 * GetClientRect16 (USER.33)
156 void GetClientRect16( HWND16 hwnd, LPRECT16 rect )
158 WND * wndPtr = WIN_FindWndPtr( hwnd );
160 rect->left = rect->top = rect->right = rect->bottom = 0;
161 if (wndPtr)
163 rect->right = wndPtr->rectClient.right - wndPtr->rectClient.left;
164 rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
169 /***********************************************************************
170 * GetClientRect32 (USER32.219)
172 void GetClientRect32( HWND32 hwnd, LPRECT32 rect )
174 WND * wndPtr = WIN_FindWndPtr( hwnd );
176 rect->left = rect->top = rect->right = rect->bottom = 0;
177 if (wndPtr)
179 rect->right = wndPtr->rectClient.right - wndPtr->rectClient.left;
180 rect->bottom = wndPtr->rectClient.bottom - wndPtr->rectClient.top;
185 /*******************************************************************
186 * ClientToScreen16 (USER.28)
188 BOOL16 ClientToScreen16( HWND16 hwnd, LPPOINT16 lppnt )
190 MapWindowPoints16( hwnd, 0, lppnt, 1 );
191 return TRUE;
195 /*******************************************************************
196 * ClientToScreen32 (USER32.51)
198 BOOL32 ClientToScreen32( HWND32 hwnd, LPPOINT32 lppnt )
200 MapWindowPoints32( hwnd, 0, lppnt, 1 );
201 return TRUE;
205 /*******************************************************************
206 * ScreenToClient16 (USER.29)
208 void ScreenToClient16( HWND16 hwnd, LPPOINT16 lppnt )
210 MapWindowPoints16( 0, hwnd, lppnt, 1 );
214 /*******************************************************************
215 * ScreenToClient32 (USER32.446)
217 void ScreenToClient32( HWND32 hwnd, LPPOINT32 lppnt )
219 MapWindowPoints32( 0, hwnd, lppnt, 1 );
223 /***********************************************************************
224 * WINPOS_WindowFromPoint
226 * Find the window and hittest for a given point.
228 INT16 WINPOS_WindowFromPoint( POINT16 pt, WND **ppWnd )
230 WND *wndPtr;
231 INT16 hittest = HTERROR;
232 INT16 x, y;
234 *ppWnd = NULL;
235 x = pt.x;
236 y = pt.y;
237 wndPtr = WIN_GetDesktop()->child;
238 for (;;)
240 while (wndPtr)
242 /* If point is in window, and window is visible, and it */
243 /* is enabled (or it's a top-level window), then explore */
244 /* its children. Otherwise, go to the next window. */
246 if ((wndPtr->dwStyle & WS_VISIBLE) &&
247 (!(wndPtr->dwStyle & WS_DISABLED) ||
248 ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) != WS_CHILD)) &&
249 (x >= wndPtr->rectWindow.left) &&
250 (x < wndPtr->rectWindow.right) &&
251 (y >= wndPtr->rectWindow.top) &&
252 (y < wndPtr->rectWindow.bottom))
254 *ppWnd = wndPtr; /* Got a suitable window */
256 /* If window is minimized or disabled, return at once */
257 if (wndPtr->dwStyle & WS_MINIMIZE) return HTCAPTION;
258 if (wndPtr->dwStyle & WS_DISABLED) return HTERROR;
260 /* If point is not in client area, ignore the children */
261 if ((x < wndPtr->rectClient.left) ||
262 (x >= wndPtr->rectClient.right) ||
263 (y < wndPtr->rectClient.top) ||
264 (y >= wndPtr->rectClient.bottom)) break;
266 x -= wndPtr->rectClient.left;
267 y -= wndPtr->rectClient.top;
268 wndPtr = wndPtr->child;
270 else wndPtr = wndPtr->next;
273 /* If nothing found, return the desktop window */
274 if (!*ppWnd)
276 *ppWnd = WIN_GetDesktop();
277 return HTCLIENT;
280 /* Send the WM_NCHITTEST message (only if to the same task) */
281 if ((*ppWnd)->hmemTaskQ != GetTaskQueue(0)) return HTCLIENT;
282 hittest = (INT)SendMessage16( (*ppWnd)->hwndSelf, WM_NCHITTEST, 0,
283 MAKELONG( pt.x, pt.y ) );
284 if (hittest != HTTRANSPARENT) return hittest; /* Found the window */
286 /* If no children found in last search, make point relative to parent*/
287 if (!wndPtr)
289 x += (*ppWnd)->rectClient.left;
290 y += (*ppWnd)->rectClient.top;
293 /* Restart the search from the next sibling */
294 wndPtr = (*ppWnd)->next;
295 *ppWnd = (*ppWnd)->parent;
300 /*******************************************************************
301 * WindowFromPoint16 (USER.30)
303 HWND16 WindowFromPoint16( POINT16 pt )
305 WND *pWnd;
306 WINPOS_WindowFromPoint( pt, &pWnd );
307 return pWnd->hwndSelf;
311 /*******************************************************************
312 * WindowFromPoint32 (USER32.581)
314 HWND32 WindowFromPoint32( POINT32 pt )
316 WND *pWnd;
317 POINT16 pt16;
318 CONV_POINT32TO16( &pt, &pt16 );
319 WINPOS_WindowFromPoint( pt16, &pWnd );
320 return (HWND32)pWnd->hwndSelf;
324 /*******************************************************************
325 * ChildWindowFromPoint16 (USER.191)
327 HWND16 ChildWindowFromPoint16( HWND16 hwndParent, POINT16 pt )
329 /* pt is in the client coordinates */
331 WND* wnd = WIN_FindWndPtr(hwndParent);
332 RECT16 rect;
334 if( !wnd ) return 0;
336 /* get client rect fast */
337 rect.top = rect.left = 0;
338 rect.right = wnd->rectClient.right - wnd->rectClient.left;
339 rect.bottom = wnd->rectClient.bottom - wnd->rectClient.top;
341 if (!PtInRect16( &rect, pt )) return 0;
343 wnd = wnd->child;
344 while ( wnd )
346 if (PtInRect16( &wnd->rectWindow, pt )) return wnd->hwndSelf;
347 wnd = wnd->next;
349 return hwndParent;
353 /*******************************************************************
354 * ChildWindowFromPoint32 (USER32.)
356 HWND32 ChildWindowFromPoint32( HWND32 hwndParent, POINT32 pt )
358 POINT16 pt16;
359 CONV_POINT32TO16( &pt, &pt16 );
360 return (HWND32)ChildWindowFromPoint16( hwndParent, pt16 );
364 /*******************************************************************
365 * WINPOS_GetWinOffset
367 * Calculate the offset between the origin of the two windows. Used
368 * to implement MapWindowPoints.
370 static void WINPOS_GetWinOffset( HWND32 hwndFrom, HWND32 hwndTo,
371 POINT32 *offset )
373 WND * wndPtr;
375 offset->x = offset->y = 0;
376 if (hwndFrom == hwndTo ) return;
378 /* Translate source window origin to screen coords */
379 if (hwndFrom)
381 if (!(wndPtr = WIN_FindWndPtr( hwndFrom )))
383 fprintf(stderr,"MapWindowPoints: bad hwndFrom = %04x\n",hwndFrom);
384 return;
386 while (wndPtr->parent)
388 offset->x += wndPtr->rectClient.left;
389 offset->y += wndPtr->rectClient.top;
390 wndPtr = wndPtr->parent;
394 /* Translate origin to destination window coords */
395 if (hwndTo)
397 if (!(wndPtr = WIN_FindWndPtr( hwndTo )))
399 fprintf(stderr,"MapWindowPoints: bad hwndTo = %04x\n", hwndTo );
400 return;
402 while (wndPtr->parent)
404 offset->x -= wndPtr->rectClient.left;
405 offset->y -= wndPtr->rectClient.top;
406 wndPtr = wndPtr->parent;
412 /*******************************************************************
413 * MapWindowPoints16 (USER.258)
415 void MapWindowPoints16( HWND16 hwndFrom, HWND16 hwndTo,
416 LPPOINT16 lppt, UINT16 count )
418 POINT32 offset;
420 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
421 while (count--)
423 lppt->x += offset.x;
424 lppt->y += offset.y;
425 lppt++;
430 /*******************************************************************
431 * MapWindowPoints32 (USER32.385)
433 void MapWindowPoints32( HWND32 hwndFrom, HWND32 hwndTo,
434 LPPOINT32 lppt, UINT32 count )
436 POINT32 offset;
438 WINPOS_GetWinOffset( hwndFrom, hwndTo, &offset );
439 while (count--)
441 lppt->x += offset.x;
442 lppt->y += offset.y;
443 lppt++;
448 /***********************************************************************
449 * IsIconic (USER.31)
451 BOOL IsIconic(HWND hWnd)
453 WND * wndPtr = WIN_FindWndPtr(hWnd);
454 if (wndPtr == NULL) return FALSE;
455 return (wndPtr->dwStyle & WS_MINIMIZE) != 0;
459 /***********************************************************************
460 * IsZoomed (USER.272)
462 BOOL IsZoomed(HWND hWnd)
464 WND * wndPtr = WIN_FindWndPtr(hWnd);
465 if (wndPtr == NULL) return FALSE;
466 return (wndPtr->dwStyle & WS_MAXIMIZE) != 0;
470 /*******************************************************************
471 * GetActiveWindow (USER.60)
473 HWND GetActiveWindow()
475 return hwndActive;
479 /*******************************************************************
480 * SetActiveWindow (USER.59)
482 HWND SetActiveWindow( HWND hwnd )
484 HWND prev = hwndActive;
485 WND *wndPtr = WIN_FindWndPtr( hwnd );
487 if (!wndPtr || (wndPtr->dwStyle & WS_DISABLED) ||
488 !(wndPtr->dwStyle & WS_VISIBLE)) return 0;
490 WINPOS_SetActiveWindow( hwnd, 0, 0 );
491 return prev;
495 /***********************************************************************
496 * BringWindowToTop (USER.45)
498 BOOL BringWindowToTop( HWND hwnd )
500 return SetWindowPos( hwnd, HWND_TOP, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE );
504 /***********************************************************************
505 * MoveWindow (USER.56)
507 BOOL MoveWindow( HWND hwnd, short x, short y, short cx, short cy, BOOL repaint)
509 int flags = SWP_NOZORDER | SWP_NOACTIVATE;
510 if (!repaint) flags |= SWP_NOREDRAW;
511 dprintf_win(stddeb, "MoveWindow: %04x %d,%d %dx%d %d\n",
512 hwnd, x, y, cx, cy, repaint );
513 return SetWindowPos( hwnd, 0, x, y, cx, cy, flags );
517 /***********************************************************************
518 * ShowWindow (USER.42)
520 BOOL ShowWindow( HWND hwnd, int cmd )
522 WND * wndPtr = WIN_FindWndPtr( hwnd );
523 BOOL wasVisible;
524 POINT16 maxSize;
525 int swpflags = 0;
526 short x = 0, y = 0, cx = 0, cy = 0;
528 if (!wndPtr) return FALSE;
530 dprintf_win(stddeb,"ShowWindow: hwnd=%04x, cmd=%d\n", hwnd, cmd);
532 wasVisible = (wndPtr->dwStyle & WS_VISIBLE) != 0;
534 switch(cmd)
536 case SW_HIDE:
537 if (!wasVisible) return FALSE;
538 swpflags |= SWP_HIDEWINDOW | SWP_NOSIZE | SWP_NOMOVE |
539 SWP_NOACTIVATE | SWP_NOZORDER;
540 break;
542 case SW_SHOWMINNOACTIVE:
543 swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
544 /* fall through */
545 case SW_SHOWMINIMIZED:
546 swpflags |= SWP_SHOWWINDOW;
547 /* fall through */
548 case SW_MINIMIZE:
549 swpflags |= SWP_FRAMECHANGED;
550 if (!(wndPtr->dwStyle & WS_MINIMIZE))
552 if (wndPtr->dwStyle & WS_MAXIMIZE)
554 wndPtr->flags |= WIN_RESTORE_MAX;
555 wndPtr->dwStyle &= ~WS_MAXIMIZE;
557 else
559 wndPtr->flags &= ~WIN_RESTORE_MAX;
560 wndPtr->rectNormal = wndPtr->rectWindow;
562 wndPtr->dwStyle |= WS_MINIMIZE;
563 WINPOS_FindIconPos( hwnd );
564 x = wndPtr->ptIconPos.x;
565 y = wndPtr->ptIconPos.y;
566 cx = SYSMETRICS_CXICON;
567 cy = SYSMETRICS_CYICON;
569 else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
570 break;
572 case SW_SHOWMAXIMIZED: /* same as SW_MAXIMIZE: */
573 swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
574 if (!(wndPtr->dwStyle & WS_MAXIMIZE))
576 /* Store the current position and find the maximized size */
577 if (!(wndPtr->dwStyle & WS_MINIMIZE))
578 wndPtr->rectNormal = wndPtr->rectWindow;
580 NC_GetMinMaxInfo( hwnd, &maxSize,
581 &wndPtr->ptMaxPos, NULL, NULL );
582 x = wndPtr->ptMaxPos.x;
583 y = wndPtr->ptMaxPos.y;
585 if( wndPtr->dwStyle & WS_MINIMIZE )
586 if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L ) )
588 swpflags |= SWP_NOSIZE;
589 break;
592 cx = maxSize.x;
593 cy = maxSize.y;
594 wndPtr->dwStyle &= ~WS_MINIMIZE;
595 wndPtr->dwStyle |= WS_MAXIMIZE;
597 else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
598 break;
600 case SW_SHOWNA:
601 swpflags |= SWP_NOACTIVATE | SWP_NOZORDER;
602 /* fall through */
603 case SW_SHOW:
604 swpflags |= SWP_SHOWWINDOW | SWP_NOSIZE | SWP_NOMOVE;
605 break;
607 case SW_SHOWNOACTIVATE:
608 swpflags |= SWP_NOZORDER;
609 if (GetActiveWindow()) swpflags |= SWP_NOACTIVATE;
610 /* fall through */
611 case SW_SHOWNORMAL: /* same as SW_NORMAL: */
612 case SW_SHOWDEFAULT: /* FIXME: should have its own handler */
613 case SW_RESTORE:
614 swpflags |= SWP_SHOWWINDOW | SWP_FRAMECHANGED;
616 if (wndPtr->dwStyle & WS_MINIMIZE)
618 if( !SendMessage16( hwnd, WM_QUERYOPEN, 0, 0L) )
620 swpflags |= SWP_NOSIZE;
621 break;
623 wndPtr->ptIconPos.x = wndPtr->rectWindow.left;
624 wndPtr->ptIconPos.y = wndPtr->rectWindow.top;
625 wndPtr->dwStyle &= ~WS_MINIMIZE;
626 if (wndPtr->flags & WIN_RESTORE_MAX)
628 /* Restore to maximized position */
629 NC_GetMinMaxInfo( hwnd, &maxSize, &wndPtr->ptMaxPos,
630 NULL, NULL );
631 x = wndPtr->ptMaxPos.x;
632 y = wndPtr->ptMaxPos.y;
633 cx = maxSize.x;
634 cy = maxSize.y;
635 wndPtr->dwStyle |= WS_MAXIMIZE;
637 else /* Restore to normal position */
639 x = wndPtr->rectNormal.left;
640 y = wndPtr->rectNormal.top;
641 cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
642 cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
645 else if (wndPtr->dwStyle & WS_MAXIMIZE)
647 wndPtr->ptMaxPos.x = wndPtr->rectWindow.left;
648 wndPtr->ptMaxPos.y = wndPtr->rectWindow.top;
649 wndPtr->dwStyle &= ~WS_MAXIMIZE;
650 x = wndPtr->rectNormal.left;
651 y = wndPtr->rectNormal.top;
652 cx = wndPtr->rectNormal.right - wndPtr->rectNormal.left;
653 cy = wndPtr->rectNormal.bottom - wndPtr->rectNormal.top;
655 else swpflags |= SWP_NOSIZE | SWP_NOMOVE;
656 break;
659 SendMessage16( hwnd, WM_SHOWWINDOW, (cmd != SW_HIDE), 0 );
660 SetWindowPos( hwnd, HWND_TOP, x, y, cx, cy, swpflags );
662 if (wndPtr->flags & WIN_NEED_SIZE)
664 int wParam = SIZE_RESTORED;
666 wndPtr->flags &= ~WIN_NEED_SIZE;
667 if (wndPtr->dwStyle & WS_MAXIMIZE) wParam = SIZE_MAXIMIZED;
668 else if (wndPtr->dwStyle & WS_MINIMIZE) wParam = SIZE_MINIMIZED;
669 SendMessage16( hwnd, WM_SIZE, wParam,
670 MAKELONG(wndPtr->rectClient.right-wndPtr->rectClient.left,
671 wndPtr->rectClient.bottom-wndPtr->rectClient.top));
672 SendMessage16( hwnd, WM_MOVE, 0,
673 MAKELONG(wndPtr->rectClient.left, wndPtr->rectClient.top) );
676 if (hwnd == GetFocus())
678 SetFocus( (wndPtr->dwStyle & WS_CHILD)? wndPtr->parent->hwndSelf: 0 );
679 if (hwnd == CARET_GetHwnd()) DestroyCaret();
682 return wasVisible;
686 /***********************************************************************
687 * GetInternalWindowPos16 (USER.460)
689 UINT16 GetInternalWindowPos16( HWND16 hwnd, LPRECT16 rectWnd, LPPOINT16 ptIcon)
691 WINDOWPLACEMENT16 wndpl;
692 if (!GetWindowPlacement16( hwnd, &wndpl )) return 0;
693 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
694 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
695 return wndpl.showCmd;
699 /***********************************************************************
700 * GetInternalWindowPos32 (USER32.244)
702 UINT32 GetInternalWindowPos32( HWND32 hwnd, LPRECT32 rectWnd, LPPOINT32 ptIcon)
704 WINDOWPLACEMENT32 wndpl;
705 if (!GetWindowPlacement32( hwnd, &wndpl )) return 0;
706 if (rectWnd) *rectWnd = wndpl.rcNormalPosition;
707 if (ptIcon) *ptIcon = wndpl.ptMinPosition;
708 return wndpl.showCmd;
712 /***********************************************************************
713 * SetInternalWindowPos16 (USER.461)
715 void SetInternalWindowPos16( HWND16 hwnd, UINT16 showCmd,
716 LPRECT16 rect, LPPOINT16 pt )
718 WINDOWPLACEMENT16 wndpl;
719 WND *wndPtr = WIN_FindWndPtr( hwnd );
721 wndpl.length = sizeof(wndpl);
722 wndpl.flags = (pt != NULL) ? WPF_SETMINPOSITION : 0;
723 wndpl.showCmd = showCmd;
724 if (pt) wndpl.ptMinPosition = *pt;
725 wndpl.rcNormalPosition = (rect != NULL) ? *rect : wndPtr->rectNormal;
726 wndpl.ptMaxPosition = wndPtr->ptMaxPos;
727 SetWindowPlacement16( hwnd, &wndpl );
731 /***********************************************************************
732 * SetInternalWindowPos32 (USER32.482)
734 void SetInternalWindowPos32( HWND32 hwnd, UINT32 showCmd,
735 LPRECT32 rect, LPPOINT32 pt )
737 WINDOWPLACEMENT32 wndpl;
738 WND *wndPtr = WIN_FindWndPtr( hwnd );
740 wndpl.length = sizeof(wndpl);
741 wndpl.flags = (pt != NULL) ? WPF_SETMINPOSITION : 0;
742 wndpl.showCmd = showCmd;
743 if (pt) wndpl.ptMinPosition = *pt;
744 if (rect) wndpl.rcNormalPosition = *rect;
745 else CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl.rcNormalPosition );
746 CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl.ptMaxPosition );
747 SetWindowPlacement32( hwnd, &wndpl );
751 /***********************************************************************
752 * GetWindowPlacement16 (USER.370)
754 BOOL16 GetWindowPlacement16( HWND16 hwnd, WINDOWPLACEMENT16 *wndpl )
756 WND *wndPtr = WIN_FindWndPtr( hwnd );
757 if (!wndPtr) return FALSE;
759 wndpl->length = sizeof(*wndpl);
760 wndpl->flags = 0;
761 wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
762 (IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
763 wndpl->ptMinPosition = wndPtr->ptIconPos;
764 wndpl->ptMaxPosition = wndPtr->ptMaxPos;
765 wndpl->rcNormalPosition = wndPtr->rectNormal;
766 return TRUE;
770 /***********************************************************************
771 * GetWindowPlacement32 (USER32.306)
773 BOOL32 GetWindowPlacement32( HWND32 hwnd, WINDOWPLACEMENT32 *wndpl )
775 WND *wndPtr = WIN_FindWndPtr( hwnd );
776 if (!wndPtr) return FALSE;
778 wndpl->length = sizeof(*wndpl);
779 wndpl->flags = 0;
780 wndpl->showCmd = IsZoomed(hwnd) ? SW_SHOWMAXIMIZED :
781 (IsIconic(hwnd) ? SW_SHOWMINIMIZED : SW_SHOWNORMAL);
782 CONV_POINT16TO32( &wndPtr->ptIconPos, &wndpl->ptMinPosition );
783 CONV_POINT16TO32( &wndPtr->ptMaxPos, &wndpl->ptMaxPosition );
784 CONV_RECT16TO32( &wndPtr->rectNormal, &wndpl->rcNormalPosition );
785 return TRUE;
789 /***********************************************************************
790 * SetWindowPlacement16 (USER.371)
792 BOOL16 SetWindowPlacement16( HWND16 hwnd, const WINDOWPLACEMENT16 *wndpl )
794 WND *wndPtr = WIN_FindWndPtr( hwnd );
795 if (!wndPtr) return FALSE;
797 if (wndpl->flags & WPF_SETMINPOSITION)
798 wndPtr->ptIconPos = wndpl->ptMinPosition;
799 if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
800 (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
801 wndPtr->ptMaxPos = wndpl->ptMaxPosition;
802 wndPtr->rectNormal = wndpl->rcNormalPosition;
803 ShowWindow( hwnd, wndpl->showCmd );
804 return TRUE;
808 /***********************************************************************
809 * SetWindowPlacement32 (USER32.518)
811 BOOL32 SetWindowPlacement32( HWND32 hwnd, const WINDOWPLACEMENT32 *wndpl )
813 WND *wndPtr = WIN_FindWndPtr( hwnd );
814 if (!wndPtr) return FALSE;
816 if (wndpl->flags & WPF_SETMINPOSITION)
817 CONV_POINT32TO16( &wndpl->ptMinPosition, &wndPtr->ptIconPos );
818 if ((wndpl->flags & WPF_RESTORETOMAXIMIZED) &&
819 (wndpl->showCmd == SW_SHOWMINIMIZED)) wndPtr->flags |= WIN_RESTORE_MAX;
820 CONV_POINT32TO16( &wndpl->ptMaxPosition, &wndPtr->ptMaxPos );
821 CONV_RECT32TO16( &wndpl->rcNormalPosition, &wndPtr->rectNormal );
822 ShowWindow( hwnd, wndpl->showCmd );
823 return TRUE;
827 /*******************************************************************
828 * ACTIVATEAPP_callback
830 BOOL ACTIVATEAPP_callback(HWND hWnd, LPARAM lParam)
832 ACTIVATESTRUCT *lpActStruct = (ACTIVATESTRUCT*)lParam;
834 if (GetWindowTask(hWnd) != lpActStruct->hTaskSendTo) return 1;
836 SendMessage16( hWnd, WM_ACTIVATEAPP, lpActStruct->wFlag,
837 (LPARAM)((lpActStruct->hWindowTask)?lpActStruct->hWindowTask:0));
838 return 1;
842 /*******************************************************************
843 * WINPOS_SetActiveWindow
845 * back-end to SetActiveWindow
847 BOOL WINPOS_SetActiveWindow( HWND hWnd, BOOL fMouse, BOOL fChangeFocus )
849 WND *wndPtr = WIN_FindWndPtr(hWnd);
850 WND *wndTemp = WIN_FindWndPtr(hwndActive);
851 CBTACTIVATESTRUCT16 *cbtStruct;
852 FARPROC enumCallback = MODULE_GetWndProcEntry16("ActivateAppProc");
853 ACTIVATESTRUCT actStruct;
854 WORD wIconized=0;
856 /* FIXME: When proper support for cooperative multitasking is in place
857 * hActiveQ will be global
860 HANDLE hActiveQ = 0;
862 /* paranoid checks */
863 if( !hWnd || hWnd == GetDesktopWindow() || hWnd == hwndActive )
864 return 0;
866 if( GetTaskQueue(0) != wndPtr->hmemTaskQ )
867 return 0;
869 if( wndTemp )
870 wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
871 else
872 dprintf_win(stddeb,"WINPOS_ActivateWindow: no current active window.\n");
874 /* call CBT hook chain */
875 if ((cbtStruct = SEGPTR_NEW(CBTACTIVATESTRUCT16)))
877 LRESULT wRet;
878 cbtStruct->fMouse = fMouse;
879 cbtStruct->hWndActive = hwndActive;
880 wRet = HOOK_CallHooks( WH_CBT, HCBT_ACTIVATE, (WPARAM)hWnd,
881 (LPARAM)SEGPTR_GET(cbtStruct) );
882 SEGPTR_FREE(cbtStruct);
883 if (wRet) return wRet;
886 /* set prev active wnd to current active wnd and send notification */
887 if ((hwndPrevActive = hwndActive) && IsWindow(hwndPrevActive))
889 if (!SendMessage16( hwndPrevActive, WM_NCACTIVATE, FALSE, 0 ))
891 if (GetSysModalWindow() != hWnd) return 0;
892 /* disregard refusal if hWnd is sysmodal */
895 SendMessage32A( hwndPrevActive, WM_ACTIVATE,
896 MAKEWPARAM( WA_INACTIVE, wIconized ),
897 (LPARAM)hWnd );
899 /* check if something happened during message processing */
900 if( hwndPrevActive != hwndActive ) return 0;
903 /* set active wnd */
904 hwndActive = hWnd;
906 /* send palette messages */
907 if( SendMessage16( hWnd, WM_QUERYNEWPALETTE, 0, 0L) )
908 SendMessage16((HWND16)-1, WM_PALETTEISCHANGING, (WPARAM)hWnd, 0L );
910 /* if prev wnd is minimized redraw icon title
911 if( hwndPrevActive )
913 wndTemp = WIN_FindWndPtr( WIN_GetTopParent( hwndPrevActive ) );
914 if(wndTemp)
915 if(wndTemp->dwStyle & WS_MINIMIZE)
916 RedrawIconTitle(hwndPrevActive);
920 /* managed windows will get ConfigureNotify event */
921 if (!(wndPtr->dwStyle & WS_CHILD) && !(wndPtr->flags & WIN_MANAGED))
923 /* check Z-order and bring hWnd to the top */
924 for (wndTemp = WIN_GetDesktop()->child; wndTemp; wndTemp = wndTemp->next)
925 if (wndTemp->dwStyle & WS_VISIBLE) break;
927 if( wndTemp != wndPtr )
928 SetWindowPos(hWnd, HWND_TOP, 0,0,0,0,
929 SWP_NOSIZE | SWP_NOMOVE | SWP_NOACTIVATE );
932 if( !IsWindow(hWnd) ) return 0;
934 if (hwndPrevActive)
936 wndTemp = WIN_FindWndPtr( hwndPrevActive );
937 if (wndTemp) hActiveQ = wndTemp->hmemTaskQ;
940 /* send WM_ACTIVATEAPP if necessary */
941 if (hActiveQ != wndPtr->hmemTaskQ)
943 HTASK hT = QUEUE_GetQueueTask( hActiveQ );
945 actStruct.wFlag = 0; /* deactivate */
946 actStruct.hWindowTask = QUEUE_GetQueueTask(wndPtr->hmemTaskQ);
947 actStruct.hTaskSendTo = hT;
949 /* send WM_ACTIVATEAPP to top-level windows
950 * that belong to the actStruct.hTaskSendTo task
952 EnumWindows( enumCallback , (LPARAM)&actStruct );
954 actStruct.wFlag = 1; /* activate */
955 actStruct.hWindowTask = hT;
956 actStruct.hTaskSendTo = QUEUE_GetQueueTask( wndPtr->hmemTaskQ );
958 EnumWindows( enumCallback , (LPARAM)&actStruct );
960 if( !IsWindow(hWnd) ) return 0;
963 /* walk up to the first unowned window */
964 wndTemp = wndPtr;
965 while (wndTemp->owner) wndTemp = wndTemp->owner;
966 /* and set last active owned popup */
967 wndTemp->hwndLastActive = hWnd;
969 wIconized = HIWORD(wndTemp->dwStyle & WS_MINIMIZE);
970 SendMessage16( hWnd, WM_NCACTIVATE, TRUE, 0 );
971 #ifdef WINELIB32
972 SendMessage32A( hWnd, WM_ACTIVATE,
973 MAKEWPARAM( (fMouse)?WA_CLICKACTIVE:WA_ACTIVE, wIconized),
974 (LPARAM)hwndPrevActive );
975 #else
976 SendMessage16( hWnd, WM_ACTIVATE, (fMouse)? WA_CLICKACTIVE : WA_ACTIVE,
977 MAKELONG(hwndPrevActive,wIconized));
978 #endif
980 if( !IsWindow(hWnd) ) return 0;
982 /* change focus if possible */
983 if( fChangeFocus && GetFocus() )
984 if( WIN_GetTopParent(GetFocus()) != hwndActive )
985 FOCUS_SwitchFocus( GetFocus(),
986 (wndPtr->dwStyle & WS_MINIMIZE)? 0: hwndActive);
988 /* if active wnd is minimized redraw icon title
989 if( hwndActive )
991 wndPtr = WIN_FindWndPtr(hwndActive);
992 if(wndPtr->dwStyle & WS_MINIMIZE)
993 RedrawIconTitle(hwndActive);
996 return (hWnd == hwndActive);
1000 /*******************************************************************
1001 * WINPOS_ChangeActiveWindow
1004 BOOL WINPOS_ChangeActiveWindow( HWND hWnd, BOOL mouseMsg )
1006 WND *wndPtr = WIN_FindWndPtr(hWnd);
1008 if( !wndPtr ) return FALSE;
1010 /* child windows get WM_CHILDACTIVATE message */
1011 if( (wndPtr->dwStyle & (WS_CHILD | WS_POPUP)) == WS_CHILD )
1012 return SendMessage16(hWnd, WM_CHILDACTIVATE, 0, 0L);
1014 /* owned popups imply owner activation - not sure */
1015 if ((wndPtr->dwStyle & WS_POPUP) && wndPtr->owner &&
1016 !(wndPtr->owner->dwStyle & WS_DISABLED ))
1018 if (!(wndPtr = wndPtr->owner)) return FALSE;
1019 hWnd = wndPtr->hwndSelf;
1022 if( hWnd == hwndActive ) return FALSE;
1024 if( !WINPOS_SetActiveWindow(hWnd ,mouseMsg ,TRUE) )
1025 return FALSE;
1027 /* switch desktop queue to current active */
1028 if( wndPtr->parent == WIN_GetDesktop())
1029 WIN_GetDesktop()->hmemTaskQ = wndPtr->hmemTaskQ;
1031 return TRUE;
1035 /***********************************************************************
1036 * WINPOS_SendNCCalcSize
1038 * Send a WM_NCCALCSIZE message to a window.
1039 * All parameters are read-only except newClientRect.
1040 * oldWindowRect, oldClientRect and winpos must be non-NULL only
1041 * when calcValidRect is TRUE.
1043 LONG WINPOS_SendNCCalcSize( HWND hwnd, BOOL calcValidRect,
1044 RECT16 *newWindowRect, RECT16 *oldWindowRect,
1045 RECT16 *oldClientRect, SEGPTR winpos,
1046 RECT16 *newClientRect )
1048 NCCALCSIZE_PARAMS16 *params;
1049 LONG result;
1051 if (!(params = SEGPTR_NEW(NCCALCSIZE_PARAMS16))) return 0;
1052 params->rgrc[0] = *newWindowRect;
1053 if (calcValidRect)
1055 params->rgrc[1] = *oldWindowRect;
1056 params->rgrc[2] = *oldClientRect;
1057 params->lppos = winpos;
1059 result = SendMessage16( hwnd, WM_NCCALCSIZE, calcValidRect,
1060 (LPARAM)SEGPTR_GET( params ) );
1061 dprintf_win(stddeb, "WINPOS_SendNCCalcSize: %d %d %d %d\n",
1062 (int)params->rgrc[0].top, (int)params->rgrc[0].left,
1063 (int)params->rgrc[0].bottom, (int)params->rgrc[0].right);
1064 *newClientRect = params->rgrc[0];
1065 SEGPTR_FREE(params);
1066 return result;
1070 /***********************************************************************
1071 * WINPOS_HandleWindowPosChanging16
1073 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1075 LONG WINPOS_HandleWindowPosChanging16( WND *wndPtr, WINDOWPOS16 *winpos )
1077 POINT16 maxSize;
1078 if (winpos->flags & SWP_NOSIZE) return 0;
1079 if ((wndPtr->dwStyle & WS_THICKFRAME) ||
1080 ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
1082 NC_GetMinMaxInfo( winpos->hwnd, &maxSize, NULL, NULL, NULL );
1083 winpos->cx = MIN( winpos->cx, maxSize.x );
1084 winpos->cy = MIN( winpos->cy, maxSize.y );
1086 return 0;
1090 /***********************************************************************
1091 * WINPOS_HandleWindowPosChanging32
1093 * Default handling for a WM_WINDOWPOSCHANGING. Called from DefWindowProc().
1095 LONG WINPOS_HandleWindowPosChanging32( WND *wndPtr, WINDOWPOS32 *winpos )
1097 POINT16 maxSize;
1098 if (winpos->flags & SWP_NOSIZE) return 0;
1099 if ((wndPtr->dwStyle & WS_THICKFRAME) ||
1100 ((wndPtr->dwStyle & (WS_POPUP | WS_CHILD)) == 0))
1102 NC_GetMinMaxInfo( winpos->hwnd, &maxSize, NULL, NULL, NULL );
1103 winpos->cx = MIN( winpos->cx, maxSize.x );
1104 winpos->cy = MIN( winpos->cy, maxSize.y );
1106 return 0;
1110 /***********************************************************************
1111 * WINPOS_MoveWindowZOrder
1113 * Move a window in Z order, invalidating everything that needs it.
1114 * Only necessary for windows without associated X window.
1116 static void WINPOS_MoveWindowZOrder( HWND hwnd, HWND hwndAfter )
1118 BOOL movingUp;
1119 WND *pWndAfter, *pWndCur, *wndPtr = WIN_FindWndPtr( hwnd );
1121 /* We have two possible cases:
1122 * - The window is moving up: we have to invalidate all areas
1123 * of the window that were covered by other windows
1124 * - The window is moving down: we have to invalidate areas
1125 * of other windows covered by this one.
1128 if (hwndAfter == HWND_TOP)
1130 movingUp = TRUE;
1132 else if (hwndAfter == HWND_BOTTOM)
1134 if (!wndPtr->next) return; /* Already at the bottom */
1135 movingUp = FALSE;
1137 else
1139 if (!(pWndAfter = WIN_FindWndPtr( hwndAfter ))) return;
1140 if (wndPtr->next == pWndAfter) return; /* Already placed right */
1142 /* Determine which window we encounter first in Z-order */
1143 pWndCur = wndPtr->parent->child;
1144 while ((pWndCur != wndPtr) && (pWndCur != pWndAfter))
1145 pWndCur = pWndCur->next;
1146 movingUp = (pWndCur == pWndAfter);
1149 if (movingUp)
1151 WND *pWndPrevAfter = wndPtr->next;
1152 WIN_UnlinkWindow( hwnd );
1153 WIN_LinkWindow( hwnd, hwndAfter );
1154 pWndCur = wndPtr->next;
1155 while (pWndCur != pWndPrevAfter)
1157 RECT16 rect = pWndCur->rectWindow;
1158 OffsetRect16( &rect, -wndPtr->rectClient.left,
1159 -wndPtr->rectClient.top );
1160 RedrawWindow16( hwnd, &rect, 0, RDW_INVALIDATE | RDW_ALLCHILDREN |
1161 RDW_FRAME | RDW_ERASE );
1162 pWndCur = pWndCur->next;
1165 else /* Moving down */
1167 pWndCur = wndPtr->next;
1168 WIN_UnlinkWindow( hwnd );
1169 WIN_LinkWindow( hwnd, hwndAfter );
1170 while (pWndCur != wndPtr)
1172 RECT16 rect = wndPtr->rectWindow;
1173 OffsetRect16( &rect, -pWndCur->rectClient.left,
1174 -pWndCur->rectClient.top );
1175 RedrawWindow16( pWndCur->hwndSelf, &rect, 0, RDW_INVALIDATE |
1176 RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE );
1177 pWndCur = pWndCur->next;
1182 /***********************************************************************
1183 * WINPOS_ReorderOwnedPopups
1185 * fix Z order taking into account owned popups -
1186 * basically we need to maintain them above owner window
1188 HWND WINPOS_ReorderOwnedPopups(HWND hwndInsertAfter, WND* wndPtr, WORD flags)
1190 WND* w = WIN_GetDesktop();
1192 w = w->child;
1194 /* if we are dealing with owned popup...
1196 if( wndPtr->dwStyle & WS_POPUP && wndPtr->owner && hwndInsertAfter != HWND_TOP )
1198 BOOL bFound = FALSE;
1199 HWND hwndLocalPrev = HWND_TOP;
1200 HWND hwndNewAfter = 0;
1202 while( w )
1204 if( !bFound && hwndInsertAfter == hwndLocalPrev )
1205 hwndInsertAfter = HWND_TOP;
1207 if( w->dwStyle & WS_POPUP && w->owner == wndPtr->owner )
1209 bFound = TRUE;
1211 if( hwndInsertAfter == HWND_TOP )
1213 hwndInsertAfter = hwndLocalPrev;
1214 break;
1216 hwndNewAfter = hwndLocalPrev;
1219 if( w == wndPtr->owner )
1221 /* basically HWND_BOTTOM */
1222 hwndInsertAfter = hwndLocalPrev;
1224 if( bFound )
1225 hwndInsertAfter = hwndNewAfter;
1226 break;
1229 if( w != wndPtr )
1230 hwndLocalPrev = w->hwndSelf;
1232 w = w->next;
1235 else
1236 /* or overlapped top-level window...
1238 if( !(wndPtr->dwStyle & WS_CHILD) )
1239 while( w )
1241 if( w == wndPtr ) break;
1243 if( w->dwStyle & WS_POPUP && w->owner == wndPtr )
1245 SetWindowPos(w->hwndSelf, hwndInsertAfter, 0, 0, 0, 0, SWP_NOMOVE | SWP_NOSIZE |
1246 SWP_NOACTIVATE | SWP_NOSENDCHANGING | SWP_DEFERERASE);
1247 hwndInsertAfter = w->hwndSelf;
1249 w = w->next;
1252 return hwndInsertAfter;
1255 /***********************************************************************
1256 * WINPOS_SizeMoveClean
1258 * Make window look nice without excessive repainting
1260 * the pain:
1262 * visible regions are in window coordinates
1263 * update regions are in window client coordinates
1264 * client and window rectangles are in parent client coordinates
1266 static void WINPOS_SizeMoveClean(WND* Wnd, HRGN oldVisRgn, LPRECT16 lpOldWndRect, LPRECT16 lpOldClientRect, BOOL bNoCopy )
1268 HRGN newVisRgn = DCE_GetVisRgn(Wnd->hwndSelf, DCX_WINDOW | DCX_CLIPSIBLINGS );
1269 HRGN dirtyRgn = CreateRectRgn(0,0,0,0);
1270 int other, my;
1272 dprintf_win(stddeb,"cleaning up...new wnd=(%i %i-%i %i) old wnd=(%i %i-%i %i)\n\
1273 \t\tnew client=(%i %i-%i %i) old client=(%i %i-%i %i)\n",
1274 Wnd->rectWindow.left, Wnd->rectWindow.top, Wnd->rectWindow.right, Wnd->rectWindow.bottom,
1275 lpOldWndRect->left, lpOldWndRect->top, lpOldWndRect->right, lpOldWndRect->bottom,
1276 Wnd->rectClient.left,Wnd->rectClient.top,Wnd->rectClient.right,Wnd->rectClient.bottom,
1277 lpOldClientRect->left,lpOldClientRect->top,lpOldClientRect->right,lpOldClientRect->bottom);
1279 CombineRgn( dirtyRgn, newVisRgn, 0, RGN_COPY);
1281 if( !bNoCopy )
1283 HRGN hRgn = CreateRectRgn( lpOldClientRect->left - lpOldWndRect->left, lpOldClientRect->top - lpOldWndRect->top,
1284 lpOldClientRect->right - lpOldWndRect->left, lpOldClientRect->bottom - lpOldWndRect->top);
1285 CombineRgn( newVisRgn, newVisRgn, oldVisRgn, RGN_AND );
1286 CombineRgn( newVisRgn, newVisRgn, hRgn, RGN_AND );
1287 DeleteObject(hRgn);
1290 /* map regions to the parent client area */
1292 OffsetRgn(dirtyRgn, Wnd->rectWindow.left, Wnd->rectWindow.top);
1293 OffsetRgn(oldVisRgn, lpOldWndRect->left, lpOldWndRect->top);
1295 /* compute invalidated region outside Wnd - (in client coordinates of the parent window) */
1297 other = CombineRgn(dirtyRgn, oldVisRgn, dirtyRgn, RGN_DIFF);
1299 /* map visible region to the Wnd client area */
1301 OffsetRgn( newVisRgn, Wnd->rectWindow.left - Wnd->rectClient.left,
1302 Wnd->rectWindow.top - Wnd->rectClient.top );
1304 /* substract previously invalidated region from the Wnd visible region */
1306 my = (Wnd->hrgnUpdate > 1)? CombineRgn( newVisRgn, newVisRgn, Wnd->hrgnUpdate, RGN_DIFF)
1307 : COMPLEXREGION;
1309 if( bNoCopy ) /* invalidate Wnd visible region */
1311 if (my != NULLREGION) RedrawWindow32( Wnd->hwndSelf, NULL, newVisRgn, RDW_INVALIDATE |
1312 RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE );
1314 else /* bitblt old client area */
1316 HDC hDC;
1317 int update;
1318 HRGN updateRgn;
1320 /* client rect */
1322 updateRgn = CreateRectRgn( 0,0, Wnd->rectClient.right - Wnd->rectClient.left,
1323 Wnd->rectClient.bottom - Wnd->rectClient.top );
1325 /* clip visible region with client rect */
1327 my = CombineRgn( newVisRgn, newVisRgn, updateRgn, RGN_AND );
1329 /* substract result from client rect to get region that won't be copied */
1331 update = CombineRgn( updateRgn, updateRgn, newVisRgn, RGN_DIFF );
1333 /* Blt valid bits using parent window DC */
1335 if( my != NULLREGION )
1337 int xfrom = lpOldClientRect->left;
1338 int yfrom = lpOldClientRect->top;
1339 int xto = Wnd->rectClient.left;
1340 int yto = Wnd->rectClient.top;
1342 /* check if we can skip copying */
1344 if( xfrom != xto || yfrom != yto )
1346 /* compute clipping region in parent client coordinates */
1348 OffsetRgn( newVisRgn, Wnd->rectClient.left, Wnd->rectClient.top);
1349 CombineRgn( oldVisRgn, oldVisRgn, newVisRgn, RGN_OR );
1351 hDC = GetDCEx( Wnd->parent->hwndSelf, oldVisRgn, DCX_KEEPCLIPRGN | DCX_INTERSECTRGN | DCX_CACHE | DCX_CLIPSIBLINGS);
1353 BitBlt(hDC, xto, yto, lpOldClientRect->right - lpOldClientRect->left,
1354 lpOldClientRect->bottom - lpOldClientRect->top,
1355 hDC, xfrom, yfrom, SRCCOPY );
1357 ReleaseDC( Wnd->parent->hwndSelf, hDC);
1361 if( update != NULLREGION )
1362 RedrawWindow32( Wnd->hwndSelf, NULL, updateRgn, RDW_INVALIDATE |
1363 RDW_FRAME | RDW_ALLCHILDREN | RDW_ERASE );
1364 DeleteObject( updateRgn );
1367 /* erase uncovered areas */
1369 if( other != NULLREGION )
1370 RedrawWindow32( Wnd->parent->hwndSelf, NULL, dirtyRgn,
1371 RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE );
1373 DeleteObject(dirtyRgn);
1374 DeleteObject(newVisRgn);
1377 /***********************************************************************
1378 * WINPOS_SetXWindowPos
1380 * SetWindowPos() for an X window. Used by the real SetWindowPos().
1382 static void WINPOS_SetXWindowPos( WINDOWPOS16 *winpos )
1384 XWindowChanges winChanges;
1385 int changeMask = 0;
1386 WND *wndPtr = WIN_FindWndPtr( winpos->hwnd );
1388 if (!(winpos->flags & SWP_NOSIZE))
1390 winChanges.width = winpos->cx;
1391 winChanges.height = winpos->cy;
1392 changeMask |= CWWidth | CWHeight;
1394 if (!(winpos->flags & SWP_NOMOVE))
1396 winChanges.x = winpos->x;
1397 winChanges.y = winpos->y;
1398 changeMask |= CWX | CWY;
1400 if (!(winpos->flags & SWP_NOZORDER))
1402 if (winpos->hwndInsertAfter == HWND_TOP) winChanges.stack_mode = Above;
1403 else winChanges.stack_mode = Below;
1404 if ((winpos->hwndInsertAfter != HWND_TOP) &&
1405 (winpos->hwndInsertAfter != HWND_BOTTOM))
1407 WND * insertPtr = WIN_FindWndPtr( winpos->hwndInsertAfter );
1408 winChanges.sibling = insertPtr->window;
1409 changeMask |= CWSibling;
1411 changeMask |= CWStackMode;
1413 if (changeMask)
1414 XConfigureWindow( display, wndPtr->window, changeMask, &winChanges );
1418 /***********************************************************************
1419 * SetWindowPos (USER.232)
1421 BOOL SetWindowPos( HWND hwnd, HWND hwndInsertAfter, INT x, INT y,
1422 INT cx, INT cy, WORD flags )
1424 WINDOWPOS16 winpos;
1425 WND * wndPtr;
1426 RECT16 newWindowRect, newClientRect;
1427 HRGN visRgn = 0;
1428 int result = 0;
1430 dprintf_win(stddeb,"SetWindowPos: hwnd %04x, flags %08x\n", hwnd, flags);
1432 /* Check window handle */
1434 if (hwnd == GetDesktopWindow()) return FALSE;
1435 if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
1437 /* Check for windows that may not be resized
1438 FIXME: this should be done only for Windows 3.0 programs */
1439 if (flags ==(SWP_SHOWWINDOW) || flags ==(SWP_HIDEWINDOW ) )
1440 flags |= SWP_NOSIZE | SWP_NOMOVE;
1442 /* Check dimensions */
1444 if (cx <= 0) cx = 1;
1445 if (cy <= 0) cy = 1;
1447 /* Check flags */
1449 if (hwnd == hwndActive) flags |= SWP_NOACTIVATE; /* Already active */
1450 if ((wndPtr->rectWindow.right - wndPtr->rectWindow.left == cx) &&
1451 (wndPtr->rectWindow.bottom - wndPtr->rectWindow.top == cy))
1452 flags |= SWP_NOSIZE; /* Already the right size */
1453 if ((wndPtr->rectWindow.left == x) && (wndPtr->rectWindow.top == y))
1454 flags |= SWP_NOMOVE; /* Already the right position */
1456 /* Check hwndInsertAfter */
1458 if (!(flags & (SWP_NOZORDER | SWP_NOACTIVATE)))
1460 /* Ignore TOPMOST flags when activating a window */
1461 /* _and_ moving it in Z order. */
1462 if ((hwndInsertAfter == HWND_TOPMOST) ||
1463 (hwndInsertAfter == HWND_NOTOPMOST))
1464 hwndInsertAfter = HWND_TOP;
1466 /* TOPMOST not supported yet */
1467 if ((hwndInsertAfter == HWND_TOPMOST) ||
1468 (hwndInsertAfter == HWND_NOTOPMOST)) hwndInsertAfter = HWND_TOP;
1470 /* hwndInsertAfter must be a sibling of the window */
1471 if ((hwndInsertAfter != HWND_TOP) && (hwndInsertAfter != HWND_BOTTOM))
1473 WND* wnd = WIN_FindWndPtr(hwndInsertAfter);
1474 if( wnd->parent != wndPtr->parent ) return FALSE;
1475 if( wnd->next == wndPtr ) flags |= SWP_NOZORDER;
1477 else
1478 if (hwndInsertAfter == HWND_TOP)
1479 flags |= ( wndPtr->parent->child == wndPtr)? SWP_NOZORDER: 0;
1480 else /* HWND_BOTTOM */
1481 flags |= ( wndPtr->next )? 0: SWP_NOZORDER;
1483 /* Fill the WINDOWPOS structure */
1485 winpos.hwnd = hwnd;
1486 winpos.hwndInsertAfter = hwndInsertAfter;
1487 winpos.x = x;
1488 winpos.y = y;
1489 winpos.cx = cx;
1490 winpos.cy = cy;
1491 winpos.flags = flags;
1493 /* Send WM_WINDOWPOSCHANGING message */
1495 if (!(flags & SWP_NOSENDCHANGING))
1496 SendMessage16( hwnd, WM_WINDOWPOSCHANGING, 0, (LPARAM)MAKE_SEGPTR(&winpos) );
1498 /* Calculate new position and size */
1500 newWindowRect = wndPtr->rectWindow;
1501 newClientRect = wndPtr->rectClient;
1503 if (!(winpos.flags & SWP_NOSIZE))
1505 newWindowRect.right = newWindowRect.left + winpos.cx;
1506 newWindowRect.bottom = newWindowRect.top + winpos.cy;
1508 if (!(winpos.flags & SWP_NOMOVE))
1510 newWindowRect.left = winpos.x;
1511 newWindowRect.top = winpos.y;
1512 newWindowRect.right += winpos.x - wndPtr->rectWindow.left;
1513 newWindowRect.bottom += winpos.y - wndPtr->rectWindow.top;
1515 OffsetRect16( &newClientRect, winpos.x - wndPtr->rectWindow.left,
1516 winpos.y - wndPtr->rectWindow.top );
1519 winpos.flags |= SWP_NOCLIENTMOVE | SWP_NOCLIENTSIZE;
1521 /* Reposition window in Z order */
1523 if (!(winpos.flags & SWP_NOZORDER))
1525 /* reorder owned popups if hwnd is top-level window
1527 if( wndPtr->parent == WIN_GetDesktop() )
1528 hwndInsertAfter = WINPOS_ReorderOwnedPopups( hwndInsertAfter,
1529 wndPtr, flags );
1531 if (wndPtr->window)
1533 WIN_UnlinkWindow( winpos.hwnd );
1534 WIN_LinkWindow( winpos.hwnd, hwndInsertAfter );
1536 else WINPOS_MoveWindowZOrder( winpos.hwnd, hwndInsertAfter );
1539 if ( !wndPtr->window && !(flags & SWP_NOREDRAW) &&
1540 (!(flags & SWP_NOMOVE) || !(flags & SWP_NOSIZE) || (flags & SWP_FRAMECHANGED)) )
1541 visRgn = DCE_GetVisRgn(hwnd, DCX_WINDOW | DCX_CLIPSIBLINGS);
1544 /* Send WM_NCCALCSIZE message to get new client area */
1545 if( (flags & (SWP_FRAMECHANGED | SWP_NOSIZE)) != SWP_NOSIZE )
1547 result = WINPOS_SendNCCalcSize( winpos.hwnd, TRUE, &newWindowRect,
1548 &wndPtr->rectWindow, &wndPtr->rectClient,
1549 MAKE_SEGPTR(&winpos), &newClientRect );
1551 /* FIXME: WVR_ALIGNxxx */
1553 if( newClientRect.left != wndPtr->rectClient.left ||
1554 newClientRect.top != wndPtr->rectClient.top )
1555 winpos.flags &= ~SWP_NOCLIENTMOVE;
1557 if( (newClientRect.right - newClientRect.left !=
1558 wndPtr->rectClient.right - wndPtr->rectClient.left) ||
1559 (newClientRect.bottom - newClientRect.top !=
1560 wndPtr->rectClient.bottom - wndPtr->rectClient.top) )
1561 winpos.flags &= ~SWP_NOCLIENTSIZE;
1563 else
1564 if( !(flags & SWP_NOMOVE) && (newClientRect.left != wndPtr->rectClient.left ||
1565 newClientRect.top != wndPtr->rectClient.top) )
1566 winpos.flags &= ~SWP_NOCLIENTMOVE;
1568 /* Update active DCEs */
1570 if( !(flags & SWP_NOZORDER) || (flags & SWP_HIDEWINDOW) || (flags & SWP_SHOWWINDOW)
1571 || (memcmp(&newWindowRect,&wndPtr->rectWindow,sizeof(RECT16))
1572 && wndPtr->dwStyle & WS_VISIBLE ) )
1574 RECT16 rect;
1576 UnionRect16(&rect,&newWindowRect,&wndPtr->rectWindow);
1577 DCE_InvalidateDCE(wndPtr->parent, &rect);
1580 /* Perform the moving and resizing */
1582 if (wndPtr->window)
1584 RECT16 oldWindowRect = wndPtr->rectWindow;
1585 RECT16 oldClientRect = wndPtr->rectClient;
1587 HWND bogusInsertAfter = winpos.hwndInsertAfter;
1589 winpos.hwndInsertAfter = hwndInsertAfter;
1590 WINPOS_SetXWindowPos( &winpos );
1592 wndPtr->rectWindow = newWindowRect;
1593 wndPtr->rectClient = newClientRect;
1594 winpos.hwndInsertAfter = bogusInsertAfter;
1596 /* FIXME: should do something like WINPOS_SizeMoveClean */
1598 if( (oldClientRect.left - oldWindowRect.left !=
1599 newClientRect.left - newWindowRect.left) ||
1600 (oldClientRect.top - oldWindowRect.top !=
1601 newClientRect.top - newWindowRect.top) )
1603 RedrawWindow32( wndPtr->hwndSelf, NULL, 0, RDW_INVALIDATE |
1604 RDW_ALLCHILDREN | RDW_FRAME | RDW_ERASE );
1605 else
1606 if( winpos.flags & SWP_FRAMECHANGED )
1608 WORD wErase = 0;
1609 RECT32 rect;
1611 if( oldClientRect.right > newClientRect.right )
1613 rect.left = newClientRect.right; rect.top = newClientRect.top;
1614 rect.right = oldClientRect.right; rect.bottom = newClientRect.bottom;
1615 wErase = 1;
1616 RedrawWindow32( wndPtr->hwndSelf, &rect, 0,
1617 RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN );
1619 if( oldClientRect.bottom > newClientRect.bottom )
1621 rect.left = newClientRect.left; rect.top = newClientRect.bottom;
1622 rect.right = (wErase)?oldClientRect.right:newClientRect.right;
1623 rect.bottom = oldClientRect.bottom;
1624 wErase = 1;
1625 RedrawWindow32( wndPtr->hwndSelf, &rect, 0,
1626 RDW_INVALIDATE | RDW_FRAME | RDW_ALLCHILDREN );
1628 if( !wErase ) wndPtr->flags |= WIN_NEEDS_NCPAINT;
1631 else
1633 RECT16 oldWindowRect = wndPtr->rectWindow;
1634 RECT16 oldClientRect = wndPtr->rectClient;
1636 wndPtr->rectWindow = newWindowRect;
1637 wndPtr->rectClient = newClientRect;
1639 if( !(flags & SWP_NOREDRAW) )
1641 BOOL bNoCopy = (flags & SWP_NOCOPYBITS) ||
1642 (result >= WVR_HREDRAW && result < WVR_VALIDRECTS);
1644 if( (winpos.flags & SWP_NOPOSCHANGE) != SWP_NOPOSCHANGE )
1645 /* optimize cleanup by BitBlt'ing where possible */
1647 WINPOS_SizeMoveClean(wndPtr, visRgn, &oldWindowRect, &oldClientRect, bNoCopy);
1648 else
1649 if( winpos.flags & SWP_FRAMECHANGED )
1650 RedrawWindow32( winpos.hwnd, NULL, 0, RDW_NOCHILDREN | RDW_FRAME );
1653 DeleteObject(visRgn);
1656 if (flags & SWP_SHOWWINDOW)
1658 wndPtr->dwStyle |= WS_VISIBLE;
1659 if (wndPtr->window)
1661 XMapWindow( display, wndPtr->window );
1663 else
1665 if (!(flags & SWP_NOREDRAW))
1666 RedrawWindow32( winpos.hwnd, NULL, 0,
1667 RDW_INVALIDATE | RDW_ALLCHILDREN |
1668 RDW_FRAME | RDW_ERASE );
1671 else if (flags & SWP_HIDEWINDOW)
1673 wndPtr->dwStyle &= ~WS_VISIBLE;
1674 if (wndPtr->window)
1676 XUnmapWindow( display, wndPtr->window );
1678 else
1680 if (!(flags & SWP_NOREDRAW))
1681 RedrawWindow16( wndPtr->parent->hwndSelf, &wndPtr->rectWindow, 0,
1682 RDW_INVALIDATE | RDW_ALLCHILDREN | RDW_ERASE );
1685 if ((winpos.hwnd == GetFocus()) || IsChild(winpos.hwnd, GetFocus()))
1686 SetFocus( GetParent(winpos.hwnd) ); /* Revert focus to parent */
1688 if (winpos.hwnd == hwndActive)
1690 /* Activate previously active window if possible */
1691 HWND newActive = hwndPrevActive;
1692 if (!IsWindow(newActive) || (newActive == winpos.hwnd))
1694 newActive = GetTopWindow( GetDesktopWindow() );
1695 if (newActive == winpos.hwnd)
1696 newActive = wndPtr->next ? wndPtr->next->hwndSelf : 0;
1698 WINPOS_ChangeActiveWindow( newActive, FALSE );
1702 /* Activate the window */
1704 if (!(flags & SWP_NOACTIVATE))
1705 WINPOS_ChangeActiveWindow( winpos.hwnd, FALSE );
1707 /* Repaint the window */
1709 if (wndPtr->window) EVENT_Synchronize(); /* Wait for all expose events */
1711 EVENT_DummyMotionNotify(); /* Simulate a mouse event to set the cursor */
1713 if (!(flags & SWP_DEFERERASE))
1714 RedrawWindow32( wndPtr->parent->hwndSelf, NULL, 0,
1715 RDW_ALLCHILDREN | RDW_ERASENOW );
1717 /* And last, send the WM_WINDOWPOSCHANGED message */
1719 if (!(winpos.flags & SWP_NOSENDCHANGING))
1720 SendMessage16( winpos.hwnd, WM_WINDOWPOSCHANGED,
1721 0, (LPARAM)MAKE_SEGPTR(&winpos) );
1723 return TRUE;
1727 /***********************************************************************
1728 * BeginDeferWindowPos (USER.259)
1730 HDWP16 BeginDeferWindowPos( INT count )
1732 HDWP16 handle;
1733 DWP *pDWP;
1735 if (count <= 0) return 0;
1736 handle = USER_HEAP_ALLOC( sizeof(DWP) + (count-1)*sizeof(WINDOWPOS16) );
1737 if (!handle) return 0;
1738 pDWP = (DWP *) USER_HEAP_LIN_ADDR( handle );
1739 pDWP->actualCount = 0;
1740 pDWP->suggestedCount = count;
1741 pDWP->valid = TRUE;
1742 pDWP->wMagic = DWP_MAGIC;
1743 pDWP->hwndParent = 0;
1744 return handle;
1748 /***********************************************************************
1749 * DeferWindowPos (USER.260)
1751 HDWP16 DeferWindowPos( HDWP16 hdwp, HWND hwnd, HWND hwndAfter, INT x, INT y,
1752 INT cx, INT cy, UINT flags )
1754 DWP *pDWP;
1755 int i;
1756 HDWP16 newhdwp = hdwp;
1757 HWND parent;
1759 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1760 if (!pDWP) return 0;
1761 if (hwnd == GetDesktopWindow()) return 0;
1763 /* All the windows of a DeferWindowPos() must have the same parent */
1765 parent = WIN_FindWndPtr( hwnd )->parent->hwndSelf;
1766 if (pDWP->actualCount == 0) pDWP->hwndParent = parent;
1767 else if (parent != pDWP->hwndParent)
1769 USER_HEAP_FREE( hdwp );
1770 return 0;
1773 for (i = 0; i < pDWP->actualCount; i++)
1775 if (pDWP->winPos[i].hwnd == hwnd)
1777 /* Merge with the other changes */
1778 if (!(flags & SWP_NOZORDER))
1780 pDWP->winPos[i].hwndInsertAfter = hwndAfter;
1782 if (!(flags & SWP_NOMOVE))
1784 pDWP->winPos[i].x = x;
1785 pDWP->winPos[i].y = y;
1787 if (!(flags & SWP_NOSIZE))
1789 pDWP->winPos[i].cx = cx;
1790 pDWP->winPos[i].cy = cy;
1792 pDWP->winPos[i].flags &= flags & (SWP_NOSIZE | SWP_NOMOVE |
1793 SWP_NOZORDER | SWP_NOREDRAW |
1794 SWP_NOACTIVATE | SWP_NOCOPYBITS |
1795 SWP_NOOWNERZORDER);
1796 pDWP->winPos[i].flags |= flags & (SWP_SHOWWINDOW | SWP_HIDEWINDOW |
1797 SWP_FRAMECHANGED);
1798 return hdwp;
1801 if (pDWP->actualCount >= pDWP->suggestedCount)
1803 newhdwp = USER_HEAP_REALLOC( hdwp,
1804 sizeof(DWP) + pDWP->suggestedCount*sizeof(WINDOWPOS16) );
1805 if (!newhdwp) return 0;
1806 pDWP = (DWP *) USER_HEAP_LIN_ADDR( newhdwp );
1807 pDWP->suggestedCount++;
1809 pDWP->winPos[pDWP->actualCount].hwnd = hwnd;
1810 pDWP->winPos[pDWP->actualCount].hwndInsertAfter = hwndAfter;
1811 pDWP->winPos[pDWP->actualCount].x = x;
1812 pDWP->winPos[pDWP->actualCount].y = y;
1813 pDWP->winPos[pDWP->actualCount].cx = cx;
1814 pDWP->winPos[pDWP->actualCount].cy = cy;
1815 pDWP->winPos[pDWP->actualCount].flags = flags;
1816 pDWP->actualCount++;
1817 return newhdwp;
1821 /***********************************************************************
1822 * EndDeferWindowPos (USER.261)
1824 BOOL EndDeferWindowPos( HDWP16 hdwp )
1826 DWP *pDWP;
1827 WINDOWPOS16 *winpos;
1828 BOOL res = TRUE;
1829 int i;
1831 pDWP = (DWP *) USER_HEAP_LIN_ADDR( hdwp );
1832 if (!pDWP) return FALSE;
1833 for (i = 0, winpos = pDWP->winPos; i < pDWP->actualCount; i++, winpos++)
1835 if (!(res = SetWindowPos( winpos->hwnd, winpos->hwndInsertAfter,
1836 winpos->x, winpos->y, winpos->cx, winpos->cy,
1837 winpos->flags ))) break;
1839 USER_HEAP_FREE( hdwp );
1840 return res;
1844 /***********************************************************************
1845 * TileChildWindows (USER.199)
1847 void TileChildWindows( HWND parent, WORD action )
1849 printf("STUB TileChildWindows(%04x, %d)\n", parent, action);
1852 /***********************************************************************
1853 * CascageChildWindows (USER.198)
1855 void CascadeChildWindows( HWND parent, WORD action )
1857 printf("STUB CascadeChildWindows(%04x, %d)\n", parent, action);