2 * Window painting functions
4 * Copyright 1993, 1994, 1995 Alexandre Julliard
13 #include "debugtools.h"
14 #include "wine/winuser16.h"
16 DECLARE_DEBUG_CHANNEL(nonclient
)
17 DECLARE_DEBUG_CHANNEL(win
)
19 /* client rect in window coordinates */
21 #define GETCLIENTRECTW( wnd, r ) (r).left = (wnd)->rectClient.left - (wnd)->rectWindow.left; \
22 (r).top = (wnd)->rectClient.top - (wnd)->rectWindow.top; \
23 (r).right = (wnd)->rectClient.right - (wnd)->rectWindow.left; \
24 (r).bottom = (wnd)->rectClient.bottom - (wnd)->rectWindow.top
26 /* Last CTLCOLOR id */
27 #define CTLCOLOR_MAX CTLCOLOR_STATIC
30 /***********************************************************************
34 * Send WM_NCPAINT if required (when nonclient is invalid or UNC_ENTIRE flag is set)
35 * Crop hrgnUpdate to a client rect, especially if it 1.
36 * If UNC_REGION is set return update region for the client rect.
38 * NOTE: UNC_REGION is mainly for the RDW_Paint() chunk that sends WM_ERASEBKGND message.
39 * The trick is that when the returned region handle may be different from hRgn.
40 * In this case the old hRgn must be considered gone. BUT, if the returned value
41 * is 1 then the hRgn is preserved and RDW_Paint() will have to get
42 * a DC without extra clipping region.
44 HRGN
WIN_UpdateNCRgn(WND
* wnd
, HRGN hRgn
, UINT uncFlags
)
50 TRACE_(nonclient
)("hwnd %04x [%04x] hrgn %04x, unc %04x, ncf %i\n",
51 wnd
->hwndSelf
, wnd
->hrgnUpdate
, hRgn
, uncFlags
, wnd
->flags
& WIN_NEEDS_NCPAINT
);
53 /* desktop window doesn't have a nonclient area */
54 if(wnd
== WIN_GetDesktop())
56 wnd
->flags
&= ~WIN_NEEDS_NCPAINT
;
57 if( wnd
->hrgnUpdate
> 1 )
58 hrgnRet
= REGION_CropRgn( hRgn
, wnd
->hrgnUpdate
, NULL
, NULL
);
61 hrgnRet
= wnd
->hrgnUpdate
;
68 if ((wnd
->hwndSelf
== GetForegroundWindow()) &&
69 !(wnd
->flags
& WIN_NCACTIVATED
) )
71 wnd
->flags
|= WIN_NCACTIVATED
;
72 uncFlags
|= UNC_ENTIRE
;
75 if( wnd
->flags
& WIN_NEEDS_NCPAINT
)
79 wnd
->flags
&= ~WIN_NEEDS_NCPAINT
;
80 GETCLIENTRECTW( wnd
, r
);
82 TRACE_(nonclient
)( "\tclient box (%i,%i-%i,%i), hrgnUpdate %04x\n",
83 r
.left
, r
.top
, r
.right
, r
.bottom
, wnd
->hrgnUpdate
);
84 if( wnd
->hrgnUpdate
> 1 )
86 /* Check if update rgn overlaps with nonclient area */
88 GetRgnBox( wnd
->hrgnUpdate
, &r2
);
89 UnionRect( &r3
, &r2
, &r
);
90 if( r3
.left
!= r
.left
|| r3
.top
!= r
.top
||
91 r3
.right
!= r
.right
|| r3
.bottom
!= r
.bottom
) /* it does */
93 /* crop hrgnUpdate, save old one in hClip - the only
94 * case that places a valid region handle in hClip */
96 hClip
= wnd
->hrgnUpdate
;
97 wnd
->hrgnUpdate
= REGION_CropRgn( hRgn
, hClip
, &r
, NULL
);
98 if( uncFlags
& UNC_REGION
) hrgnRet
= hClip
;
101 if( uncFlags
& UNC_CHECK
)
103 GetRgnBox( wnd
->hrgnUpdate
, &r3
);
104 if( IsRectEmpty( &r3
) )
106 /* delete the update region since all invalid
107 * parts were in the nonclient area */
109 DeleteObject( wnd
->hrgnUpdate
);
111 if(!(wnd
->flags
& WIN_INTERNAL_PAINT
))
112 QUEUE_DecPaintCount( wnd
->hmemTaskQ
);
114 wnd
->flags
&= ~WIN_NEEDS_ERASEBKGND
;
118 if(!hClip
&& wnd
->hrgnUpdate
) goto copyrgn
;
121 if( wnd
->hrgnUpdate
== 1 )/* entire window */
123 if( uncFlags
& UNC_UPDATE
) wnd
->hrgnUpdate
= CreateRectRgnIndirect( &r
);
124 if( uncFlags
& UNC_REGION
) hrgnRet
= 1;
125 uncFlags
|= UNC_ENTIRE
;
128 else /* no WM_NCPAINT unless forced */
130 if( wnd
->hrgnUpdate
> 1 )
133 if( uncFlags
& UNC_REGION
)
134 hrgnRet
= REGION_CropRgn( hRgn
, wnd
->hrgnUpdate
, NULL
, NULL
);
137 if( wnd
->hrgnUpdate
== 1 && (uncFlags
& UNC_UPDATE
) )
139 GETCLIENTRECTW( wnd
, r
);
140 wnd
->hrgnUpdate
= CreateRectRgnIndirect( &r
);
141 if( uncFlags
& UNC_REGION
) hrgnRet
= 1;
145 if(!hClip
&& (uncFlags
& UNC_ENTIRE
) )
147 /* still don't do anything if there is no nonclient area */
148 hClip
= (memcmp( &wnd
->rectWindow
, &wnd
->rectClient
, sizeof(RECT
) ) != 0);
151 if( hClip
) /* NOTE: WM_NCPAINT allows wParam to be 1 */
153 SendMessageA( wnd
->hwndSelf
, WM_NCPAINT
, hClip
, 0L );
154 if( (hClip
> 1)&& (hClip
!= hRgn
) && (hClip
!= hrgnRet
) ) DeleteObject( hClip
);
157 TRACE_(nonclient
)("returning %04x (hClip = %04x, hrgnUpdate = %04x)\n", hrgnRet
, hClip
, wnd
->hrgnUpdate
);
163 /***********************************************************************
164 * BeginPaint16 (USER.39)
166 HDC16 WINAPI
BeginPaint16( HWND16 hwnd
, LPPAINTSTRUCT16 lps
)
170 WND
*wndPtr
= WIN_FindWndPtr( hwnd
);
171 if (!wndPtr
) return 0;
173 bIcon
= (wndPtr
->dwStyle
& WS_MINIMIZE
&& wndPtr
->class->hIcon
);
175 wndPtr
->flags
&= ~WIN_NEEDS_BEGINPAINT
;
177 /* send WM_NCPAINT and make sure hrgnUpdate is a valid rgn handle */
178 WIN_UpdateNCRgn( wndPtr
, 0, UNC_UPDATE
);
180 if( ((hrgnUpdate
= wndPtr
->hrgnUpdate
) != 0) || (wndPtr
->flags
& WIN_INTERNAL_PAINT
))
181 QUEUE_DecPaintCount( wndPtr
->hmemTaskQ
);
183 wndPtr
->hrgnUpdate
= 0;
184 wndPtr
->flags
&= ~WIN_INTERNAL_PAINT
;
188 TRACE_(win
)("hrgnUpdate = %04x, \n", hrgnUpdate
);
190 if (wndPtr
->class->style
& CS_PARENTDC
)
192 /* Don't clip the output to the update region for CS_PARENTDC window */
194 DeleteObject(hrgnUpdate
);
195 lps
->hdc
= GetDCEx16( hwnd
, 0, DCX_WINDOWPAINT
| DCX_USESTYLE
|
196 (bIcon
? DCX_WINDOW
: 0) );
200 if( hrgnUpdate
) /* convert to client coordinates */
201 OffsetRgn( hrgnUpdate
, wndPtr
->rectWindow
.left
- wndPtr
->rectClient
.left
,
202 wndPtr
->rectWindow
.top
- wndPtr
->rectClient
.top
);
203 lps
->hdc
= GetDCEx16(hwnd
, hrgnUpdate
, DCX_INTERSECTRGN
|
204 DCX_WINDOWPAINT
| DCX_USESTYLE
| (bIcon
? DCX_WINDOW
: 0) );
205 /* ReleaseDC() in EndPaint() will delete the region */
208 TRACE_(win
)("hdc = %04x\n", lps
->hdc
);
212 WARN_(win
)("GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd
);
213 WIN_ReleaseWndPtr(wndPtr
);
217 GetClipBox16( lps
->hdc
, &lps
->rcPaint
);
219 TRACE_(win
)("box = (%i,%i - %i,%i)\n", lps
->rcPaint
.left
, lps
->rcPaint
.top
,
220 lps
->rcPaint
.right
, lps
->rcPaint
.bottom
);
222 if (wndPtr
->flags
& WIN_NEEDS_ERASEBKGND
)
224 wndPtr
->flags
&= ~WIN_NEEDS_ERASEBKGND
;
225 lps
->fErase
= !SendMessage16(hwnd
, (bIcon
) ? WM_ICONERASEBKGND
227 (WPARAM16
)lps
->hdc
, 0 );
229 else lps
->fErase
= TRUE
;
231 WIN_ReleaseWndPtr(wndPtr
);
236 /***********************************************************************
237 * BeginPaint32 (USER32.10)
239 HDC WINAPI
BeginPaint( HWND hwnd
, PAINTSTRUCT
*lps
)
243 BeginPaint16( hwnd
, &ps
);
244 lps
->hdc
= (HDC
)ps
.hdc
;
245 lps
->fErase
= ps
.fErase
;
246 lps
->rcPaint
.top
= ps
.rcPaint
.top
;
247 lps
->rcPaint
.left
= ps
.rcPaint
.left
;
248 lps
->rcPaint
.right
= ps
.rcPaint
.right
;
249 lps
->rcPaint
.bottom
= ps
.rcPaint
.bottom
;
250 lps
->fRestore
= ps
.fRestore
;
251 lps
->fIncUpdate
= ps
.fIncUpdate
;
256 /***********************************************************************
257 * EndPaint16 (USER.40)
259 BOOL16 WINAPI
EndPaint16( HWND16 hwnd
, const PAINTSTRUCT16
* lps
)
261 ReleaseDC16( hwnd
, lps
->hdc
);
267 /***********************************************************************
268 * EndPaint32 (USER32.176)
270 BOOL WINAPI
EndPaint( HWND hwnd
, const PAINTSTRUCT
*lps
)
272 ReleaseDC( hwnd
, lps
->hdc
);
278 /***********************************************************************
279 * FillWindow (USER.324)
281 void WINAPI
FillWindow16( HWND16 hwndParent
, HWND16 hwnd
, HDC16 hdc
, HBRUSH16 hbrush
)
284 GetClientRect16( hwnd
, &rect
);
285 DPtoLP16( hdc
, (LPPOINT16
)&rect
, 2 );
286 PaintRect16( hwndParent
, hwnd
, hdc
, hbrush
, &rect
);
290 /***********************************************************************
291 * PAINT_GetControlBrush
293 static HBRUSH16
PAINT_GetControlBrush( HWND hParent
, HWND hWnd
, HDC16 hDC
, UINT16 ctlType
)
295 HBRUSH16 bkgBrush
= (HBRUSH16
)SendMessageA( hParent
, WM_CTLCOLORMSGBOX
+ ctlType
,
296 (WPARAM
)hDC
, (LPARAM
)hWnd
);
297 if( !IsGDIObject16(bkgBrush
) )
298 bkgBrush
= DEFWND_ControlColor( hDC
, ctlType
);
303 /***********************************************************************
304 * PaintRect (USER.325)
306 void WINAPI
PaintRect16( HWND16 hwndParent
, HWND16 hwnd
, HDC16 hdc
,
307 HBRUSH16 hbrush
, const RECT16
*rect
)
309 if( hbrush
<= CTLCOLOR_MAX
)
312 hbrush
= PAINT_GetControlBrush( hwndParent
, hwnd
, hdc
, (UINT16
)hbrush
);
317 FillRect16( hdc
, rect
, hbrush
);
321 /***********************************************************************
322 * GetControlBrush (USER.326)
324 HBRUSH16 WINAPI
GetControlBrush16( HWND16 hwnd
, HDC16 hdc
, UINT16 ctlType
)
326 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
329 if((ctlType
<= CTLCOLOR_MAX
) && wndPtr
)
332 if( wndPtr
->dwStyle
& WS_POPUP
) parent
= WIN_LockWndPtr(wndPtr
->owner
);
333 else parent
= WIN_LockWndPtr(wndPtr
->parent
);
334 if( !parent
) parent
= wndPtr
;
335 retvalue
= (HBRUSH16
)PAINT_GetControlBrush( parent
->hwndSelf
, hwnd
, hdc
, ctlType
);
336 WIN_ReleaseWndPtr(parent
);
339 retvalue
= (HBRUSH16
)0;
341 WIN_ReleaseWndPtr(wndPtr
);
347 /***********************************************************************
348 * RDW_UpdateRgns [RedrawWindow() helper]
350 * Walks the window tree and adds/removes parts of the hRgn to/from update
351 * regions of windows that overlap it. Also, manages internal paint flags.
353 * NOTE: Walks the window tree so the caller must lock it.
354 * MUST preserve hRgn (can modify but then has to restore).
356 static void RDW_UpdateRgns( WND
* wndPtr
, HRGN hRgn
, UINT flags
)
359 * Called only when one of the following is set:
360 * (RDW_INVALIDATE | RDW_VALIDATE | RDW_INTERNALPAINT | RDW_NOINTERNALPAINT)
363 BOOL bHadOne
= wndPtr
->hrgnUpdate
&& hRgn
;
364 RECT r
= {0, 0, wndPtr
->rectWindow
.right
- wndPtr
->rectWindow
.left
,
365 wndPtr
->rectWindow
.bottom
- wndPtr
->rectWindow
.top
};
366 BOOL bChildren
= ( wndPtr
->child
&& !(flags
& RDW_NOCHILDREN
) && !(wndPtr
->dwStyle
& WS_MINIMIZE
)
367 && ((flags
& RDW_ALLCHILDREN
) || !(wndPtr
->dwStyle
& WS_CLIPCHILDREN
)) );
369 TRACE_(win
)("\thwnd %04x [%04x] -> hrgn [%04x], flags [%04x]\n", wndPtr
->hwndSelf
, wndPtr
->hrgnUpdate
, hRgn
, flags
);
371 if( flags
& RDW_INVALIDATE
)
375 switch( wndPtr
->hrgnUpdate
)
378 CombineRgn( wndPtr
->hrgnUpdate
, wndPtr
->hrgnUpdate
, hRgn
, RGN_OR
);
381 wndPtr
->hrgnUpdate
= REGION_CropRgn( wndPtr
->hrgnUpdate
,
382 wndPtr
->hrgnUpdate
? wndPtr
->hrgnUpdate
: hRgn
,
386 GetRgnBox( wndPtr
->hrgnUpdate
, &r
);
387 if( IsRectEmpty( &r
) )
389 DeleteObject( wndPtr
->hrgnUpdate
);
390 wndPtr
->hrgnUpdate
= 0;
396 case 1: /* already an entire window */
401 if( wndPtr
->hrgnUpdate
> 1 )
402 DeleteObject( wndPtr
->hrgnUpdate
);
403 wndPtr
->hrgnUpdate
= 1;
406 hRgn
= wndPtr
->hrgnUpdate
; /* this is a trick that depends on code in PAINT_RedrawWindow() */
408 if( !bHadOne
&& !(wndPtr
->flags
& WIN_INTERNAL_PAINT
) )
409 QUEUE_IncPaintCount( wndPtr
->hmemTaskQ
);
411 if (flags
& RDW_FRAME
) wndPtr
->flags
|= WIN_NEEDS_NCPAINT
;
412 if (flags
& RDW_ERASE
) wndPtr
->flags
|= WIN_NEEDS_ERASEBKGND
;
415 else if( flags
& RDW_VALIDATE
)
417 if( wndPtr
->hrgnUpdate
)
421 if( wndPtr
->hrgnUpdate
== 1 )
422 wndPtr
->hrgnUpdate
= CreateRectRgnIndirect( &r
);
424 if( CombineRgn( wndPtr
->hrgnUpdate
, wndPtr
->hrgnUpdate
, hRgn
, RGN_DIFF
)
428 else /* validate everything */
430 if( wndPtr
->hrgnUpdate
> 1 )
433 DeleteObject( wndPtr
->hrgnUpdate
);
435 wndPtr
->hrgnUpdate
= 0;
438 if( !wndPtr
->hrgnUpdate
)
440 wndPtr
->flags
&= ~WIN_NEEDS_ERASEBKGND
;
441 if( !(wndPtr
->flags
& WIN_INTERNAL_PAINT
) )
442 QUEUE_DecPaintCount( wndPtr
->hmemTaskQ
);
446 if (flags
& RDW_NOFRAME
) wndPtr
->flags
&= ~WIN_NEEDS_NCPAINT
;
447 if (flags
& RDW_NOERASE
) wndPtr
->flags
&= ~WIN_NEEDS_ERASEBKGND
;
450 /* in/validate child windows that intersect with the region if it
451 * is a valid handle. */
453 if( flags
& (RDW_INVALIDATE
| RDW_VALIDATE
) )
455 if( hRgn
> 1 && bChildren
)
457 WND
* wnd
= wndPtr
->child
;
458 POINT ptClient
= { wndPtr
->rectClient
.left
- wndPtr
->rectWindow
.left
,
459 wndPtr
->rectClient
.top
- wndPtr
->rectWindow
.top
};
460 POINT ptTotal
, prevOrigin
= {0,0};
462 for( ptTotal
.x
= ptTotal
.y
= 0; wnd
; wnd
= wnd
->next
)
464 if( wnd
->dwStyle
& WS_VISIBLE
)
468 r
.left
= wnd
->rectWindow
.left
+ ptClient
.x
;
469 r
.right
= wnd
->rectWindow
.right
+ ptClient
.x
;
470 r
.top
= wnd
->rectWindow
.top
+ ptClient
.y
;
471 r
.bottom
= wnd
->rectWindow
.bottom
+ ptClient
.y
;
473 ptOffset
.x
= r
.left
- prevOrigin
.x
;
474 ptOffset
.y
= r
.top
- prevOrigin
.y
;
475 OffsetRect( &r
, -ptTotal
.x
, -ptTotal
.y
);
477 if( RectInRegion( hRgn
, &r
) )
479 OffsetRgn( hRgn
, -ptOffset
.x
, -ptOffset
.y
);
480 RDW_UpdateRgns( wnd
, hRgn
, flags
);
481 prevOrigin
.x
= r
.left
+ ptTotal
.x
;
482 prevOrigin
.y
= r
.top
+ ptTotal
.y
;
483 ptTotal
.x
+= ptOffset
.x
;
484 ptTotal
.y
+= ptOffset
.y
;
488 OffsetRgn( hRgn
, ptTotal
.x
, ptTotal
.y
);
493 /* handle hRgn == 1 (alias for entire window) and/or internal paint recursion */
498 for( wnd
= wndPtr
->child
; wnd
; wnd
= wnd
->next
)
499 if( wnd
->dwStyle
& WS_VISIBLE
)
500 RDW_UpdateRgns( wnd
, hRgn
, flags
);
505 /* Set/clear internal paint flag */
507 if (flags
& RDW_INTERNALPAINT
)
509 if ( !wndPtr
->hrgnUpdate
&& !(wndPtr
->flags
& WIN_INTERNAL_PAINT
))
510 QUEUE_IncPaintCount( wndPtr
->hmemTaskQ
);
511 wndPtr
->flags
|= WIN_INTERNAL_PAINT
;
513 else if (flags
& RDW_NOINTERNALPAINT
)
515 if ( !wndPtr
->hrgnUpdate
&& (wndPtr
->flags
& WIN_INTERNAL_PAINT
))
516 QUEUE_DecPaintCount( wndPtr
->hmemTaskQ
);
517 wndPtr
->flags
&= ~WIN_INTERNAL_PAINT
;
521 /***********************************************************************
522 * RDW_Paint [RedrawWindow() helper]
524 * Walks the window tree and paints/erases windows that have
525 * nonzero update regions according to redraw flags. hrgn is a scratch
526 * region passed down during recursion. Must not be 1.
529 static HRGN
RDW_Paint( WND
* wndPtr
, HRGN hrgn
, UINT flags
, UINT ex
)
531 /* NOTE: wndPtr is locked by caller.
533 * FIXME: Windows uses WM_SYNCPAINT to cut down the number of intertask
534 * SendMessage() calls. This is a comment inside DefWindowProc() source
537 * This message avoids lots of inter-app message traffic
538 * by switching to the other task and continuing the
542 * LOWORD(lParam) = hrgnClip
543 * HIWORD(lParam) = hwndSkip (not used; always NULL)
547 HWND hWnd
= wndPtr
->hwndSelf
;
548 BOOL bIcon
= ((wndPtr
->dwStyle
& WS_MINIMIZE
) && wndPtr
->class->hIcon
);
550 /* Erase/update the window itself ... */
552 TRACE_(win
)("\thwnd %04x [%04x] -> hrgn [%04x], flags [%04x]\n", hWnd
, wndPtr
->hrgnUpdate
, hrgn
, flags
);
554 if (flags
& RDW_UPDATENOW
)
556 if (wndPtr
->hrgnUpdate
) /* wm_painticon wparam is 1 */
557 SendMessage16( hWnd
, (bIcon
) ? WM_PAINTICON
: WM_PAINT
, bIcon
, 0 );
559 else if ((flags
& RDW_ERASENOW
) || (ex
& RDW_EX_TOPFRAME
))
561 UINT dcx
= DCX_INTERSECTRGN
| DCX_USESTYLE
| DCX_KEEPCLIPRGN
| DCX_WINDOWPAINT
;
562 HRGN hrgnRet
= WIN_UpdateNCRgn( wndPtr
, hrgn
, UNC_REGION
| UNC_CHECK
|
563 ((ex
& RDW_EX_TOPFRAME
) ? UNC_ENTIRE
: 0) );
566 if( hrgnRet
> 1 ) hrgn
= hrgnRet
; else hrgnRet
= 0; /* entire client */
567 if( wndPtr
->flags
& WIN_NEEDS_ERASEBKGND
)
569 if( bIcon
) dcx
|= DCX_WINDOW
;
572 OffsetRgn( hrgnRet
, wndPtr
->rectWindow
.left
- wndPtr
->rectClient
.left
,
573 wndPtr
->rectWindow
.top
- wndPtr
->rectClient
.top
);
575 dcx
&= ~DCX_INTERSECTRGN
;
576 if (( hDC
= GetDCEx( hWnd
, hrgnRet
, dcx
)) )
578 if (SendMessage16( hWnd
, (bIcon
) ? WM_ICONERASEBKGND
579 : WM_ERASEBKGND
, (WPARAM16
)hDC
, 0 ))
580 wndPtr
->flags
&= ~WIN_NEEDS_ERASEBKGND
;
581 ReleaseDC( hWnd
, hDC
);
587 if( !IsWindow(hWnd
) ) return hrgn
;
588 ex
&= ~RDW_EX_TOPFRAME
;
590 /* ... and its child windows */
592 if( wndPtr
->child
&& !(flags
& RDW_NOCHILDREN
) && !(wndPtr
->dwStyle
& WS_MINIMIZE
)
593 && ((flags
& RDW_ALLCHILDREN
) || !(wndPtr
->dwStyle
& WS_CLIPCHILDREN
)) )
597 if( (list
= WIN_BuildWinArray( wndPtr
, 0, NULL
)) )
600 for (ppWnd
= list
; *ppWnd
; ppWnd
++)
602 WIN_UpdateWndPtr(&wndPtr
,*ppWnd
);
603 if (!IsWindow(wndPtr
->hwndSelf
)) continue;
604 if ( (wndPtr
->dwStyle
& WS_VISIBLE
) &&
605 (wndPtr
->hrgnUpdate
|| (wndPtr
->flags
& WIN_INTERNAL_PAINT
)) )
606 hrgn
= RDW_Paint( wndPtr
, hrgn
, flags
, ex
);
608 WIN_ReleaseWndPtr(wndPtr
);
609 WIN_ReleaseWinArray(list
);
616 /***********************************************************************
620 BOOL
PAINT_RedrawWindow( HWND hwnd
, const RECT
*rectUpdate
,
621 HRGN hrgnUpdate
, UINT flags
, UINT ex
)
628 if (!hwnd
) hwnd
= GetDesktopWindow();
629 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return FALSE
;
631 /* check if the window or its parents are visible/not minimized */
633 if (!WIN_IsWindowDrawable( wndPtr
, !(flags
& RDW_FRAME
) ) )
635 WIN_ReleaseWndPtr(wndPtr
);
643 GetRgnBox( hrgnUpdate
, &r
);
644 TRACE_(win
)( "%04x (%04x) NULL %04x box (%i,%i-%i,%i) flags=%04x, exflags=%04x\n",
645 hwnd
, wndPtr
->hrgnUpdate
, hrgnUpdate
, r
.left
, r
.top
, r
.right
, r
.bottom
, flags
, ex
);
653 TRACE_(win
)( "%04x (%04x) %s %d,%d-%d,%d %04x flags=%04x, exflags=%04x\n",
654 hwnd
, wndPtr
->hrgnUpdate
, rectUpdate
? "rect" : "NULL", r
.left
,
655 r
.top
, r
.right
, r
.bottom
, hrgnUpdate
, flags
, ex
);
659 /* prepare an update region in window coordinates */
661 if( flags
& RDW_FRAME
)
662 r
= wndPtr
->rectWindow
;
664 r
= wndPtr
->rectClient
;
666 if( ex
& RDW_EX_XYWINDOW
)
669 OffsetRect( &r
, -wndPtr
->rectWindow
.left
, -wndPtr
->rectWindow
.top
);
673 pt
.x
= wndPtr
->rectClient
.left
- wndPtr
->rectWindow
.left
;
674 pt
.y
= wndPtr
->rectClient
.top
- wndPtr
->rectWindow
.top
;
675 OffsetRect( &r
, -wndPtr
->rectClient
.left
, -wndPtr
->rectClient
.top
);
678 if (flags
& RDW_INVALIDATE
) /* ------------------------- Invalidate */
680 /* If the window doesn't have hrgnUpdate we leave hRgn zero
681 * and put a new region straight into wndPtr->hrgnUpdate
682 * so that RDW_UpdateRgns() won't have to do any extra work.
687 if( wndPtr
->hrgnUpdate
)
688 hRgn
= REGION_CropRgn( 0, hrgnUpdate
, NULL
, &pt
);
690 wndPtr
->hrgnUpdate
= REGION_CropRgn( 0, hrgnUpdate
, &r
, &pt
);
692 else if( rectUpdate
)
694 if( !IntersectRect( &r2
, &r
, rectUpdate
) ) goto END
;
695 OffsetRect( &r2
, pt
.x
, pt
.y
);
698 if( wndPtr
->hrgnUpdate
== 0 )
699 wndPtr
->hrgnUpdate
= CreateRectRgnIndirect( &r2
);
701 hRgn
= CreateRectRgnIndirect( &r2
);
703 else /* entire window or client depending on RDW_FRAME */
705 if( flags
& RDW_FRAME
)
707 if( wndPtr
->hrgnUpdate
)
708 DeleteObject( wndPtr
->hrgnUpdate
);
709 wndPtr
->hrgnUpdate
= 1;
713 GETCLIENTRECTW( wndPtr
, r2
);
718 else if (flags
& RDW_VALIDATE
) /* ------------------------- Validate */
720 /* In this we cannot leave with zero hRgn */
723 hRgn
= REGION_CropRgn( hRgn
, hrgnUpdate
, &r
, &pt
);
724 GetRgnBox( hRgn
, &r2
);
725 if( IsRectEmpty( &r2
) ) goto END
;
727 else if( rectUpdate
)
729 if( !IntersectRect( &r2
, &r
, rectUpdate
) ) goto END
;
730 OffsetRect( &r2
, pt
.x
, pt
.y
);
732 hRgn
= CreateRectRgnIndirect( &r2
);
734 else /* entire window or client depending on RDW_FRAME */
736 if( flags
& RDW_FRAME
)
740 GETCLIENTRECTW( wndPtr
, r2
);
746 /* At this point hRgn is either an update region in window coordinates or 1 or 0 */
748 RDW_UpdateRgns( wndPtr
, hRgn
, flags
);
750 /* Erase/update windows, from now on hRgn is a scratch region */
752 hRgn
= RDW_Paint( wndPtr
, (hRgn
== 1) ? 0 : hRgn
, flags
, ex
);
755 if( hRgn
> 1 && (hRgn
!= hrgnUpdate
) )
757 WIN_ReleaseWndPtr(wndPtr
);
762 /***********************************************************************
763 * RedrawWindow32 (USER32.426)
765 BOOL WINAPI
RedrawWindow( HWND hwnd
, const RECT
*rectUpdate
,
766 HRGN hrgnUpdate
, UINT flags
)
768 return PAINT_RedrawWindow( hwnd
, rectUpdate
, hrgnUpdate
, flags
, 0 );
772 /***********************************************************************
773 * RedrawWindow16 (USER.290)
775 BOOL16 WINAPI
RedrawWindow16( HWND16 hwnd
, const RECT16
*rectUpdate
,
776 HRGN16 hrgnUpdate
, UINT16 flags
)
781 CONV_RECT16TO32( rectUpdate
, &r
);
782 return (BOOL16
)RedrawWindow( (HWND
)hwnd
, &r
, hrgnUpdate
, flags
);
784 return (BOOL16
)PAINT_RedrawWindow( (HWND
)hwnd
, NULL
,
785 (HRGN
)hrgnUpdate
, flags
, 0 );
789 /***********************************************************************
790 * UpdateWindow16 (USER.124)
792 void WINAPI
UpdateWindow16( HWND16 hwnd
)
794 PAINT_RedrawWindow( hwnd
, NULL
, 0, RDW_UPDATENOW
| RDW_NOCHILDREN
, 0 );
797 /***********************************************************************
798 * UpdateWindow32 (USER32.567)
800 void WINAPI
UpdateWindow( HWND hwnd
)
802 PAINT_RedrawWindow( hwnd
, NULL
, 0, RDW_UPDATENOW
| RDW_NOCHILDREN
, 0 );
805 /***********************************************************************
806 * InvalidateRgn16 (USER.126)
808 void WINAPI
InvalidateRgn16( HWND16 hwnd
, HRGN16 hrgn
, BOOL16 erase
)
810 PAINT_RedrawWindow((HWND
)hwnd
, NULL
, (HRGN
)hrgn
,
811 RDW_INVALIDATE
| (erase
? RDW_ERASE
: 0), 0 );
815 /***********************************************************************
816 * InvalidateRgn32 (USER32.329)
818 BOOL WINAPI
InvalidateRgn( HWND hwnd
, HRGN hrgn
, BOOL erase
)
820 return PAINT_RedrawWindow(hwnd
, NULL
, hrgn
, RDW_INVALIDATE
| (erase
? RDW_ERASE
: 0), 0 );
824 /***********************************************************************
825 * InvalidateRect16 (USER.125)
827 void WINAPI
InvalidateRect16( HWND16 hwnd
, const RECT16
*rect
, BOOL16 erase
)
829 RedrawWindow16( hwnd
, rect
, 0, RDW_INVALIDATE
| (erase
? RDW_ERASE
: 0) );
833 /***********************************************************************
834 * InvalidateRect32 (USER32.328)
836 BOOL WINAPI
InvalidateRect( HWND hwnd
, const RECT
*rect
, BOOL erase
)
838 return PAINT_RedrawWindow( hwnd
, rect
, 0,
839 RDW_INVALIDATE
| (erase
? RDW_ERASE
: 0), 0 );
843 /***********************************************************************
844 * ValidateRgn16 (USER.128)
846 void WINAPI
ValidateRgn16( HWND16 hwnd
, HRGN16 hrgn
)
848 PAINT_RedrawWindow( (HWND
)hwnd
, NULL
, (HRGN
)hrgn
,
849 RDW_VALIDATE
| RDW_NOCHILDREN
, 0 );
853 /***********************************************************************
854 * ValidateRgn32 (USER32.572)
856 void WINAPI
ValidateRgn( HWND hwnd
, HRGN hrgn
)
858 PAINT_RedrawWindow( hwnd
, NULL
, hrgn
, RDW_VALIDATE
| RDW_NOCHILDREN
, 0 );
862 /***********************************************************************
863 * ValidateRect16 (USER.127)
865 void WINAPI
ValidateRect16( HWND16 hwnd
, const RECT16
*rect
)
867 RedrawWindow16( hwnd
, rect
, 0, RDW_VALIDATE
| RDW_NOCHILDREN
);
871 /***********************************************************************
872 * ValidateRect32 (USER32.571)
874 void WINAPI
ValidateRect( HWND hwnd
, const RECT
*rect
)
876 PAINT_RedrawWindow( hwnd
, rect
, 0, RDW_VALIDATE
| RDW_NOCHILDREN
, 0 );
880 /***********************************************************************
881 * GetUpdateRect16 (USER.190)
883 BOOL16 WINAPI
GetUpdateRect16( HWND16 hwnd
, LPRECT16 rect
, BOOL16 erase
)
888 if (!rect
) return GetUpdateRect( hwnd
, NULL
, erase
);
889 ret
= GetUpdateRect( hwnd
, &r
, erase
);
890 CONV_RECT32TO16( &r
, rect
);
895 /***********************************************************************
896 * GetUpdateRect32 (USER32.297)
898 BOOL WINAPI
GetUpdateRect( HWND hwnd
, LPRECT rect
, BOOL erase
)
901 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
902 if (!wndPtr
) return FALSE
;
906 if (wndPtr
->hrgnUpdate
> 1)
908 HRGN hrgn
= CreateRectRgn( 0, 0, 0, 0 );
909 if (GetUpdateRgn( hwnd
, hrgn
, erase
) == ERROR
)
914 GetRgnBox( hrgn
, rect
);
915 DeleteObject( hrgn
);
916 if (wndPtr
->class->style
& CS_OWNDC
)
918 if (GetMapMode(wndPtr
->dce
->hDC
) != MM_TEXT
)
920 DPtoLP (wndPtr
->dce
->hDC
, (LPPOINT
)rect
, 2);
925 if( wndPtr
->hrgnUpdate
== 1 )
927 GetClientRect( hwnd
, rect
);
928 if (erase
) RedrawWindow( hwnd
, NULL
, 0, RDW_FRAME
| RDW_ERASENOW
| RDW_NOCHILDREN
);
931 SetRectEmpty( rect
);
933 retvalue
= (wndPtr
->hrgnUpdate
>= 1);
935 WIN_ReleaseWndPtr(wndPtr
);
940 /***********************************************************************
941 * GetUpdateRgn16 (USER.237)
943 INT16 WINAPI
GetUpdateRgn16( HWND16 hwnd
, HRGN16 hrgn
, BOOL16 erase
)
945 return GetUpdateRgn( hwnd
, hrgn
, erase
);
949 /***********************************************************************
950 * GetUpdateRgn (USER32.298)
952 INT WINAPI
GetUpdateRgn( HWND hwnd
, HRGN hrgn
, BOOL erase
)
955 WND
* wndPtr
= WIN_FindWndPtr( hwnd
);
956 if (!wndPtr
) return ERROR
;
958 if (wndPtr
->hrgnUpdate
== 0)
960 SetRectRgn( hrgn
, 0, 0, 0, 0 );
965 if (wndPtr
->hrgnUpdate
== 1)
967 SetRectRgn( hrgn
, 0, 0, wndPtr
->rectClient
.right
- wndPtr
->rectClient
.left
,
968 wndPtr
->rectClient
.bottom
- wndPtr
->rectClient
.top
);
969 retval
= SIMPLEREGION
;
973 retval
= CombineRgn( hrgn
, wndPtr
->hrgnUpdate
, 0, RGN_COPY
);
974 OffsetRgn( hrgn
, wndPtr
->rectWindow
.left
- wndPtr
->rectClient
.left
,
975 wndPtr
->rectWindow
.top
- wndPtr
->rectClient
.top
);
977 if (erase
) RedrawWindow( hwnd
, NULL
, 0, RDW_ERASENOW
| RDW_NOCHILDREN
);
979 WIN_ReleaseWndPtr(wndPtr
);
984 /***********************************************************************
985 * ExcludeUpdateRgn16 (USER.238)
987 INT16 WINAPI
ExcludeUpdateRgn16( HDC16 hdc
, HWND16 hwnd
)
989 return ExcludeUpdateRgn( hdc
, hwnd
);
993 /***********************************************************************
994 * ExcludeUpdateRgn32 (USER32.195)
996 INT WINAPI
ExcludeUpdateRgn( HDC hdc
, HWND hwnd
)
1001 if (!(wndPtr
= WIN_FindWndPtr( hwnd
))) return ERROR
;
1003 if (wndPtr
->hrgnUpdate
)
1006 HRGN hrgn
= CreateRectRgn(wndPtr
->rectWindow
.left
- wndPtr
->rectClient
.left
,
1007 wndPtr
->rectWindow
.top
- wndPtr
->rectClient
.top
,
1008 wndPtr
->rectWindow
.right
- wndPtr
->rectClient
.left
,
1009 wndPtr
->rectWindow
.bottom
- wndPtr
->rectClient
.top
);
1010 if( wndPtr
->hrgnUpdate
> 1 )
1012 CombineRgn(hrgn
, wndPtr
->hrgnUpdate
, 0, RGN_COPY
);
1013 OffsetRgn(hrgn
, wndPtr
->rectWindow
.left
- wndPtr
->rectClient
.left
,
1014 wndPtr
->rectWindow
.top
- wndPtr
->rectClient
.top
);
1017 /* do ugly coordinate translations in dce.c */
1019 ret
= DCE_ExcludeRgn( hdc
, wndPtr
, hrgn
);
1020 DeleteObject( hrgn
);
1021 WIN_ReleaseWndPtr(wndPtr
);
1024 WIN_ReleaseWndPtr(wndPtr
);
1025 return GetClipBox( hdc
, &rect
);