1048 lines
30 KiB
C
1048 lines
30 KiB
C
/*
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* Window painting functions
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*
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* Copyright 1993, 1994, 1995 Alexandre Julliard
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* 1999 Alex Korobka
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*/
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#include "region.h"
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#include "win.h"
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#include "queue.h"
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#include "dce.h"
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#include "heap.h"
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#include "debugtools.h"
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#include "wine/winuser16.h"
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DECLARE_DEBUG_CHANNEL(nonclient)
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DECLARE_DEBUG_CHANNEL(win)
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/* client rect in window coordinates */
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#define GETCLIENTRECTW( wnd, r ) (r).left = (wnd)->rectClient.left - (wnd)->rectWindow.left; \
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(r).top = (wnd)->rectClient.top - (wnd)->rectWindow.top; \
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(r).right = (wnd)->rectClient.right - (wnd)->rectWindow.left; \
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(r).bottom = (wnd)->rectClient.bottom - (wnd)->rectWindow.top
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/* Last CTLCOLOR id */
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#define CTLCOLOR_MAX CTLCOLOR_STATIC
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/***********************************************************************
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* WIN_UpdateNCRgn
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*
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* Things to do:
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* Send WM_NCPAINT if required (when nonclient is invalid or UNC_ENTIRE flag is set)
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* Crop hrgnUpdate to a client rect, especially if it 1.
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* If UNC_REGION is set return update region for the client rect.
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*
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* NOTE: UNC_REGION is mainly for the RDW_Paint() chunk that sends WM_ERASEBKGND message.
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* The trick is that when the returned region handle may be different from hRgn.
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* In this case the old hRgn must be considered gone. BUT, if the returned value
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* is 1 then the hRgn is preserved and RDW_Paint() will have to get
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* a DC without extra clipping region.
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*/
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HRGN WIN_UpdateNCRgn(WND* wnd, HRGN hRgn, UINT uncFlags )
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{
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RECT r;
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HRGN hClip = 0;
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HRGN hrgnRet = 0;
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TRACE_(nonclient)("hwnd %04x [%04x] hrgn %04x, unc %04x, ncf %i\n",
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wnd->hwndSelf, wnd->hrgnUpdate, hRgn, uncFlags, wnd->flags & WIN_NEEDS_NCPAINT);
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/* desktop window doesn't have a nonclient area */
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if(wnd == WIN_GetDesktop())
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{
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wnd->flags &= ~WIN_NEEDS_NCPAINT;
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if( wnd->hrgnUpdate > 1 )
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hrgnRet = REGION_CropRgn( hRgn, wnd->hrgnUpdate, NULL, NULL );
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else
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{
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hrgnRet = wnd->hrgnUpdate;
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}
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WIN_ReleaseDesktop();
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return hrgnRet;
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}
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WIN_ReleaseDesktop();
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if ((wnd->hwndSelf == GetForegroundWindow()) &&
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!(wnd->flags & WIN_NCACTIVATED) )
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{
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wnd->flags |= WIN_NCACTIVATED;
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uncFlags |= UNC_ENTIRE;
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}
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if( wnd->flags & WIN_NEEDS_NCPAINT )
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{
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RECT r2, r3;
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wnd->flags &= ~WIN_NEEDS_NCPAINT;
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GETCLIENTRECTW( wnd, r );
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TRACE_(nonclient)( "\tclient box (%i,%i-%i,%i), hrgnUpdate %04x\n",
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r.left, r.top, r.right, r.bottom, wnd->hrgnUpdate );
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if( wnd->hrgnUpdate > 1 )
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{
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/* Check if update rgn overlaps with nonclient area */
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GetRgnBox( wnd->hrgnUpdate, &r2 );
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UnionRect( &r3, &r2, &r );
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if( r3.left != r.left || r3.top != r.top ||
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r3.right != r.right || r3.bottom != r.bottom ) /* it does */
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{
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/* crop hrgnUpdate, save old one in hClip - the only
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* case that places a valid region handle in hClip */
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hClip = wnd->hrgnUpdate;
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wnd->hrgnUpdate = REGION_CropRgn( hRgn, hClip, &r, NULL );
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if( uncFlags & UNC_REGION ) hrgnRet = hClip;
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}
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if( uncFlags & UNC_CHECK )
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{
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GetRgnBox( wnd->hrgnUpdate, &r3 );
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if( IsRectEmpty( &r3 ) )
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{
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/* delete the update region since all invalid
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* parts were in the nonclient area */
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DeleteObject( wnd->hrgnUpdate );
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wnd->hrgnUpdate = 0;
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if(!(wnd->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wnd->hmemTaskQ );
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wnd->flags &= ~WIN_NEEDS_ERASEBKGND;
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}
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}
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if(!hClip && wnd->hrgnUpdate ) goto copyrgn;
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}
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else
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if( wnd->hrgnUpdate == 1 )/* entire window */
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{
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if( uncFlags & UNC_UPDATE ) wnd->hrgnUpdate = CreateRectRgnIndirect( &r );
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if( uncFlags & UNC_REGION ) hrgnRet = 1;
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uncFlags |= UNC_ENTIRE;
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}
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}
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else /* no WM_NCPAINT unless forced */
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{
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if( wnd->hrgnUpdate > 1 )
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{
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copyrgn:
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if( uncFlags & UNC_REGION )
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hrgnRet = REGION_CropRgn( hRgn, wnd->hrgnUpdate, NULL, NULL );
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}
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else
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if( wnd->hrgnUpdate == 1 && (uncFlags & UNC_UPDATE) )
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{
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GETCLIENTRECTW( wnd, r );
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wnd->hrgnUpdate = CreateRectRgnIndirect( &r );
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if( uncFlags & UNC_REGION ) hrgnRet = 1;
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}
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}
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if(!hClip && (uncFlags & UNC_ENTIRE) )
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{
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/* still don't do anything if there is no nonclient area */
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hClip = (memcmp( &wnd->rectWindow, &wnd->rectClient, sizeof(RECT) ) != 0);
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}
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if( hClip ) /* NOTE: WM_NCPAINT allows wParam to be 1 */
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{
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SendMessageA( wnd->hwndSelf, WM_NCPAINT, hClip, 0L );
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if( (hClip > 1)&& (hClip != hRgn) && (hClip != hrgnRet) ) DeleteObject( hClip );
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/*
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* Since all Window locks are suspended while processing the WM_NCPAINT
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* we want to make sure the window still exists before continuing.
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*/
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if (!IsWindow(wnd->hwndSelf))
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{
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DeleteObject(hrgnRet);
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hrgnRet=0;
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}
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}
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TRACE_(nonclient)("returning %04x (hClip = %04x, hrgnUpdate = %04x)\n", hrgnRet, hClip, wnd->hrgnUpdate );
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return hrgnRet;
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}
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/***********************************************************************
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* BeginPaint16 (USER.39)
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*/
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HDC16 WINAPI BeginPaint16( HWND16 hwnd, LPPAINTSTRUCT16 lps )
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{
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BOOL bIcon;
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HRGN hrgnUpdate;
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WND *wndPtr = WIN_FindWndPtr( hwnd );
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if (!wndPtr) return 0;
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bIcon = (wndPtr->dwStyle & WS_MINIMIZE && GetClassWord(wndPtr->hwndSelf, GCW_HICON));
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wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
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/* send WM_NCPAINT and make sure hrgnUpdate is a valid rgn handle */
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WIN_UpdateNCRgn( wndPtr, 0, UNC_UPDATE );
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/*
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* Make sure the window is still a window. All window locks are suspended
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* when the WM_NCPAINT is sent.
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*/
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if (!IsWindow(wndPtr->hwndSelf))
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{
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WIN_ReleaseWndPtr(wndPtr);
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return 0;
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}
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if( ((hrgnUpdate = wndPtr->hrgnUpdate) != 0) || (wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
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wndPtr->hrgnUpdate = 0;
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wndPtr->flags &= ~WIN_INTERNAL_PAINT;
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HideCaret( hwnd );
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TRACE_(win)("hrgnUpdate = %04x, \n", hrgnUpdate);
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if (GetClassWord16(wndPtr->hwndSelf, GCW_STYLE) & CS_PARENTDC)
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{
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/* Don't clip the output to the update region for CS_PARENTDC window */
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if( hrgnUpdate )
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DeleteObject(hrgnUpdate);
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lps->hdc = GetDCEx16( hwnd, 0, DCX_WINDOWPAINT | DCX_USESTYLE |
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(bIcon ? DCX_WINDOW : 0) );
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}
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else
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{
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if( hrgnUpdate ) /* convert to client coordinates */
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OffsetRgn( hrgnUpdate, wndPtr->rectWindow.left - wndPtr->rectClient.left,
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wndPtr->rectWindow.top - wndPtr->rectClient.top );
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lps->hdc = GetDCEx16(hwnd, hrgnUpdate, DCX_INTERSECTRGN |
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DCX_WINDOWPAINT | DCX_USESTYLE | (bIcon ? DCX_WINDOW : 0) );
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/* ReleaseDC() in EndPaint() will delete the region */
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}
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TRACE_(win)("hdc = %04x\n", lps->hdc);
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if (!lps->hdc)
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{
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WARN_(win)("GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd);
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WIN_ReleaseWndPtr(wndPtr);
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return 0;
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}
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GetClipBox16( lps->hdc, &lps->rcPaint );
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TRACE_(win)("box = (%i,%i - %i,%i)\n", lps->rcPaint.left, lps->rcPaint.top,
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lps->rcPaint.right, lps->rcPaint.bottom );
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if (wndPtr->flags & WIN_NEEDS_ERASEBKGND)
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{
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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lps->fErase = !SendMessage16(hwnd, (bIcon) ? WM_ICONERASEBKGND
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: WM_ERASEBKGND,
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(WPARAM16)lps->hdc, 0 );
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}
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else lps->fErase = TRUE;
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WIN_ReleaseWndPtr(wndPtr);
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return lps->hdc;
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}
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/***********************************************************************
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* BeginPaint32 (USER32.10)
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*/
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HDC WINAPI BeginPaint( HWND hwnd, PAINTSTRUCT *lps )
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{
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PAINTSTRUCT16 ps;
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BeginPaint16( hwnd, &ps );
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lps->hdc = (HDC)ps.hdc;
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lps->fErase = ps.fErase;
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lps->rcPaint.top = ps.rcPaint.top;
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lps->rcPaint.left = ps.rcPaint.left;
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lps->rcPaint.right = ps.rcPaint.right;
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lps->rcPaint.bottom = ps.rcPaint.bottom;
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lps->fRestore = ps.fRestore;
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lps->fIncUpdate = ps.fIncUpdate;
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return lps->hdc;
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}
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/***********************************************************************
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* EndPaint16 (USER.40)
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*/
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BOOL16 WINAPI EndPaint16( HWND16 hwnd, const PAINTSTRUCT16* lps )
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{
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ReleaseDC16( hwnd, lps->hdc );
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ShowCaret( hwnd );
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return TRUE;
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}
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/***********************************************************************
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* EndPaint32 (USER32.176)
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*/
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BOOL WINAPI EndPaint( HWND hwnd, const PAINTSTRUCT *lps )
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{
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ReleaseDC( hwnd, lps->hdc );
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ShowCaret( hwnd );
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return TRUE;
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}
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/***********************************************************************
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* FillWindow (USER.324)
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*/
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void WINAPI FillWindow16( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc, HBRUSH16 hbrush )
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{
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RECT16 rect;
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GetClientRect16( hwnd, &rect );
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DPtoLP16( hdc, (LPPOINT16)&rect, 2 );
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PaintRect16( hwndParent, hwnd, hdc, hbrush, &rect );
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}
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/***********************************************************************
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* PAINT_GetControlBrush
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*/
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static HBRUSH16 PAINT_GetControlBrush( HWND hParent, HWND hWnd, HDC16 hDC, UINT16 ctlType )
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{
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HBRUSH16 bkgBrush = (HBRUSH16)SendMessageA( hParent, WM_CTLCOLORMSGBOX + ctlType,
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(WPARAM)hDC, (LPARAM)hWnd );
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if( !IsGDIObject16(bkgBrush) )
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bkgBrush = DEFWND_ControlColor( hDC, ctlType );
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return bkgBrush;
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}
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/***********************************************************************
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* PaintRect (USER.325)
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*/
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void WINAPI PaintRect16( HWND16 hwndParent, HWND16 hwnd, HDC16 hdc,
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HBRUSH16 hbrush, const RECT16 *rect)
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{
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if( hbrush <= CTLCOLOR_MAX )
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{
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if( hwndParent )
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hbrush = PAINT_GetControlBrush( hwndParent, hwnd, hdc, (UINT16)hbrush );
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else
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return;
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}
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if( hbrush )
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FillRect16( hdc, rect, hbrush );
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}
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/***********************************************************************
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* GetControlBrush (USER.326)
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*/
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HBRUSH16 WINAPI GetControlBrush16( HWND16 hwnd, HDC16 hdc, UINT16 ctlType )
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{
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WND* wndPtr = WIN_FindWndPtr( hwnd );
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HBRUSH16 retvalue;
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if((ctlType <= CTLCOLOR_MAX) && wndPtr )
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{
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WND* parent;
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if( wndPtr->dwStyle & WS_POPUP ) parent = WIN_LockWndPtr(wndPtr->owner);
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else parent = WIN_LockWndPtr(wndPtr->parent);
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if( !parent ) parent = wndPtr;
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retvalue = (HBRUSH16)PAINT_GetControlBrush( parent->hwndSelf, hwnd, hdc, ctlType );
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WIN_ReleaseWndPtr(parent);
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goto END;
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}
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retvalue = (HBRUSH16)0;
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END:
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WIN_ReleaseWndPtr(wndPtr);
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return retvalue;
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}
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int i;
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/***********************************************************************
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* RDW_UpdateRgns [RedrawWindow() helper]
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*
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* Walks the window tree and adds/removes parts of the hRgn to/from update
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* regions of windows that overlap it. Also, manages internal paint flags.
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*
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* NOTE: Walks the window tree so the caller must lock it.
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* MUST preserve hRgn (can modify but then has to restore).
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*/
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static void RDW_UpdateRgns( WND* wndPtr, HRGN hRgn, UINT flags )
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{
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/*
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* Called only when one of the following is set:
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* (RDW_INVALIDATE | RDW_VALIDATE | RDW_INTERNALPAINT | RDW_NOINTERNALPAINT)
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*/
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BOOL bHadOne = wndPtr->hrgnUpdate && hRgn;
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RECT r = {0, 0, wndPtr->rectWindow.right - wndPtr->rectWindow.left,
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wndPtr->rectWindow.bottom - wndPtr->rectWindow.top };
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BOOL bChildren = ( wndPtr->child && !(flags & RDW_NOCHILDREN) && !(wndPtr->dwStyle & WS_MINIMIZE)
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&& ((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)) );
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TRACE_(win)("\thwnd %04x [%04x] -> hrgn [%04x], flags [%04x]\n", wndPtr->hwndSelf, wndPtr->hrgnUpdate, hRgn, flags );
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if( flags & RDW_INVALIDATE )
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{
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if( hRgn > 1 )
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{
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switch( wndPtr->hrgnUpdate )
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{
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default:
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CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hRgn, RGN_OR );
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/* fall through */
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case 0:
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wndPtr->hrgnUpdate = REGION_CropRgn( wndPtr->hrgnUpdate,
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wndPtr->hrgnUpdate ? wndPtr->hrgnUpdate : hRgn,
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&r, NULL );
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if( !bHadOne )
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{
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GetRgnBox( wndPtr->hrgnUpdate, &r );
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if( IsRectEmpty( &r ) )
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{
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DeleteObject( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = 0;
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goto OUT;
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}
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}
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break;
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case 1: /* already an entire window */
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}
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}
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else if( hRgn == 1 )
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{
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if( wndPtr->hrgnUpdate > 1 )
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DeleteObject( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = 1;
|
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}
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else
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hRgn = wndPtr->hrgnUpdate; /* this is a trick that depends on code in PAINT_RedrawWindow() */
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if( !bHadOne && !(wndPtr->flags & WIN_INTERNAL_PAINT) )
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QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
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if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT;
|
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if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
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flags |= RDW_FRAME;
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}
|
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else if( flags & RDW_VALIDATE )
|
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{
|
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if( wndPtr->hrgnUpdate )
|
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{
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if( hRgn > 1 )
|
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{
|
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if( wndPtr->hrgnUpdate == 1 )
|
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wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r );
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|
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if( CombineRgn( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate, hRgn, RGN_DIFF )
|
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== NULLREGION )
|
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goto EMPTY;
|
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}
|
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else /* validate everything */
|
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{
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if( wndPtr->hrgnUpdate > 1 )
|
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{
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EMPTY:
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DeleteObject( wndPtr->hrgnUpdate );
|
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}
|
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wndPtr->hrgnUpdate = 0;
|
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}
|
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|
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if( !wndPtr->hrgnUpdate )
|
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{
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
|
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if( !(wndPtr->flags & WIN_INTERNAL_PAINT) )
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
|
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}
|
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}
|
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|
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if (flags & RDW_NOFRAME) wndPtr->flags &= ~WIN_NEEDS_NCPAINT;
|
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if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
|
|
}
|
|
|
|
/* in/validate child windows that intersect with the region if it
|
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* is a valid handle. */
|
|
|
|
if( flags & (RDW_INVALIDATE | RDW_VALIDATE) )
|
|
{
|
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if( hRgn > 1 && bChildren )
|
|
{
|
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WND* wnd = wndPtr->child;
|
|
POINT ptClient = { wndPtr->rectClient.left - wndPtr->rectWindow.left,
|
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wndPtr->rectClient.top - wndPtr->rectWindow.top };
|
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POINT ptTotal, prevOrigin = {0,0};
|
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|
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for( ptTotal.x = ptTotal.y = 0; wnd; wnd = wnd->next )
|
|
{
|
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if( wnd->dwStyle & WS_VISIBLE )
|
|
{
|
|
POINT ptOffset;
|
|
|
|
r.left = wnd->rectWindow.left + ptClient.x;
|
|
r.right = wnd->rectWindow.right + ptClient.x;
|
|
r.top = wnd->rectWindow.top + ptClient.y;
|
|
r.bottom = wnd->rectWindow.bottom + ptClient.y;
|
|
|
|
ptOffset.x = r.left - prevOrigin.x;
|
|
ptOffset.y = r.top - prevOrigin.y;
|
|
OffsetRect( &r, -ptTotal.x, -ptTotal.y );
|
|
|
|
if( RectInRegion( hRgn, &r ) )
|
|
{
|
|
OffsetRgn( hRgn, -ptOffset.x, -ptOffset.y );
|
|
RDW_UpdateRgns( wnd, hRgn, flags );
|
|
prevOrigin.x = r.left + ptTotal.x;
|
|
prevOrigin.y = r.top + ptTotal.y;
|
|
ptTotal.x += ptOffset.x;
|
|
ptTotal.y += ptOffset.y;
|
|
}
|
|
}
|
|
}
|
|
OffsetRgn( hRgn, ptTotal.x, ptTotal.y );
|
|
bChildren = 0;
|
|
}
|
|
}
|
|
|
|
/* handle hRgn == 1 (alias for entire window) and/or internal paint recursion */
|
|
|
|
if( bChildren )
|
|
{
|
|
WND* wnd;
|
|
for( wnd = wndPtr->child; wnd; wnd = wnd->next )
|
|
if( wnd->dwStyle & WS_VISIBLE )
|
|
RDW_UpdateRgns( wnd, hRgn, flags );
|
|
}
|
|
|
|
OUT:
|
|
|
|
/* Set/clear internal paint flag */
|
|
|
|
if (flags & RDW_INTERNALPAINT)
|
|
{
|
|
if ( !wndPtr->hrgnUpdate && !(wndPtr->flags & WIN_INTERNAL_PAINT))
|
|
QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
|
|
wndPtr->flags |= WIN_INTERNAL_PAINT;
|
|
}
|
|
else if (flags & RDW_NOINTERNALPAINT)
|
|
{
|
|
if ( !wndPtr->hrgnUpdate && (wndPtr->flags & WIN_INTERNAL_PAINT))
|
|
QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
|
|
wndPtr->flags &= ~WIN_INTERNAL_PAINT;
|
|
}
|
|
}
|
|
|
|
/***********************************************************************
|
|
* RDW_Paint [RedrawWindow() helper]
|
|
*
|
|
* Walks the window tree and paints/erases windows that have
|
|
* nonzero update regions according to redraw flags. hrgn is a scratch
|
|
* region passed down during recursion. Must not be 1.
|
|
*
|
|
*/
|
|
static HRGN RDW_Paint( WND* wndPtr, HRGN hrgn, UINT flags, UINT ex )
|
|
{
|
|
/* NOTE: wndPtr is locked by caller.
|
|
*
|
|
* FIXME: Windows uses WM_SYNCPAINT to cut down the number of intertask
|
|
* SendMessage() calls. This is a comment inside DefWindowProc() source
|
|
* from 16-bit SDK:
|
|
*
|
|
* This message avoids lots of inter-app message traffic
|
|
* by switching to the other task and continuing the
|
|
* recursion there.
|
|
*
|
|
* wParam = flags
|
|
* LOWORD(lParam) = hrgnClip
|
|
* HIWORD(lParam) = hwndSkip (not used; always NULL)
|
|
*
|
|
*/
|
|
HDC hDC;
|
|
HWND hWnd = wndPtr->hwndSelf;
|
|
BOOL bIcon = ((wndPtr->dwStyle & WS_MINIMIZE) && GetClassWord(wndPtr->hwndSelf, GCW_HICON));
|
|
|
|
/* Erase/update the window itself ... */
|
|
|
|
TRACE_(win)("\thwnd %04x [%04x] -> hrgn [%04x], flags [%04x]\n", hWnd, wndPtr->hrgnUpdate, hrgn, flags );
|
|
|
|
if (flags & RDW_UPDATENOW)
|
|
{
|
|
if (wndPtr->hrgnUpdate) /* wm_painticon wparam is 1 */
|
|
SendMessage16( hWnd, (bIcon) ? WM_PAINTICON : WM_PAINT, bIcon, 0 );
|
|
}
|
|
else if ((flags & RDW_ERASENOW) || (ex & RDW_EX_TOPFRAME))
|
|
{
|
|
UINT dcx = DCX_INTERSECTRGN | DCX_USESTYLE | DCX_KEEPCLIPRGN | DCX_WINDOWPAINT | DCX_CACHE;
|
|
HRGN hrgnRet = WIN_UpdateNCRgn( wndPtr, hrgn, UNC_REGION | UNC_CHECK |
|
|
((ex & RDW_EX_TOPFRAME) ? UNC_ENTIRE : 0) );
|
|
if( hrgnRet )
|
|
{
|
|
if( hrgnRet > 1 ) hrgn = hrgnRet; else hrgnRet = 0; /* entire client */
|
|
if( wndPtr->flags & WIN_NEEDS_ERASEBKGND )
|
|
{
|
|
if( bIcon ) dcx |= DCX_WINDOW;
|
|
else
|
|
if( hrgnRet )
|
|
OffsetRgn( hrgnRet, wndPtr->rectWindow.left - wndPtr->rectClient.left,
|
|
wndPtr->rectWindow.top - wndPtr->rectClient.top);
|
|
else
|
|
dcx &= ~DCX_INTERSECTRGN;
|
|
if (( hDC = GetDCEx( hWnd, hrgnRet, dcx )) )
|
|
{
|
|
if (SendMessage16( hWnd, (bIcon) ? WM_ICONERASEBKGND
|
|
: WM_ERASEBKGND, (WPARAM16)hDC, 0 ))
|
|
wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
|
|
ReleaseDC( hWnd, hDC );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if( !IsWindow(hWnd) ) return hrgn;
|
|
ex &= ~RDW_EX_TOPFRAME;
|
|
|
|
/* ... and its child windows */
|
|
|
|
if( wndPtr->child && !(flags & RDW_NOCHILDREN) && !(wndPtr->dwStyle & WS_MINIMIZE)
|
|
&& ((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)) )
|
|
{
|
|
WND** list, **ppWnd;
|
|
|
|
if( (list = WIN_BuildWinArray( wndPtr, 0, NULL )) )
|
|
{
|
|
wndPtr = NULL;
|
|
for (ppWnd = list; *ppWnd; ppWnd++)
|
|
{
|
|
WIN_UpdateWndPtr(&wndPtr,*ppWnd);
|
|
if (!IsWindow(wndPtr->hwndSelf)) continue;
|
|
if ( (wndPtr->dwStyle & WS_VISIBLE) &&
|
|
(wndPtr->hrgnUpdate || (wndPtr->flags & WIN_INTERNAL_PAINT)) )
|
|
hrgn = RDW_Paint( wndPtr, hrgn, flags, ex );
|
|
}
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
WIN_ReleaseWinArray(list);
|
|
}
|
|
}
|
|
|
|
return hrgn;
|
|
}
|
|
|
|
/***********************************************************************
|
|
* PAINT_RedrawWindow
|
|
*
|
|
*/
|
|
BOOL PAINT_RedrawWindow( HWND hwnd, const RECT *rectUpdate,
|
|
HRGN hrgnUpdate, UINT flags, UINT ex )
|
|
{
|
|
HRGN hRgn = 0;
|
|
RECT r, r2;
|
|
POINT pt;
|
|
WND* wndPtr;
|
|
|
|
if (!hwnd) hwnd = GetDesktopWindow();
|
|
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
|
|
|
|
/* check if the window or its parents are visible/not minimized */
|
|
|
|
if (!WIN_IsWindowDrawable( wndPtr, !(flags & RDW_FRAME) ) )
|
|
{
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return TRUE;
|
|
}
|
|
|
|
if (TRACE_ON(win))
|
|
{
|
|
if( hrgnUpdate )
|
|
{
|
|
GetRgnBox( hrgnUpdate, &r );
|
|
TRACE_(win)( "%04x (%04x) NULL %04x box (%i,%i-%i,%i) flags=%04x, exflags=%04x\n",
|
|
hwnd, wndPtr->hrgnUpdate, hrgnUpdate, r.left, r.top, r.right, r.bottom, flags, ex);
|
|
}
|
|
else
|
|
{
|
|
if( rectUpdate )
|
|
r = *rectUpdate;
|
|
else
|
|
SetRectEmpty( &r );
|
|
TRACE_(win)( "%04x (%04x) %s %d,%d-%d,%d %04x flags=%04x, exflags=%04x\n",
|
|
hwnd, wndPtr->hrgnUpdate, rectUpdate ? "rect" : "NULL", r.left,
|
|
r.top, r.right, r.bottom, hrgnUpdate, flags, ex );
|
|
}
|
|
}
|
|
|
|
/* prepare an update region in window coordinates */
|
|
|
|
if( flags & RDW_FRAME )
|
|
r = wndPtr->rectWindow;
|
|
else
|
|
r = wndPtr->rectClient;
|
|
|
|
if( ex & RDW_EX_XYWINDOW )
|
|
{
|
|
pt.x = pt.y = 0;
|
|
OffsetRect( &r, -wndPtr->rectWindow.left, -wndPtr->rectWindow.top );
|
|
}
|
|
else
|
|
{
|
|
pt.x = wndPtr->rectClient.left - wndPtr->rectWindow.left;
|
|
pt.y = wndPtr->rectClient.top - wndPtr->rectWindow.top;
|
|
OffsetRect( &r, -wndPtr->rectClient.left, -wndPtr->rectClient.top );
|
|
}
|
|
|
|
if (flags & RDW_INVALIDATE) /* ------------------------- Invalidate */
|
|
{
|
|
/* If the window doesn't have hrgnUpdate we leave hRgn zero
|
|
* and put a new region straight into wndPtr->hrgnUpdate
|
|
* so that RDW_UpdateRgns() won't have to do any extra work.
|
|
*/
|
|
|
|
if( hrgnUpdate )
|
|
{
|
|
if( wndPtr->hrgnUpdate )
|
|
hRgn = REGION_CropRgn( 0, hrgnUpdate, NULL, &pt );
|
|
else
|
|
wndPtr->hrgnUpdate = REGION_CropRgn( 0, hrgnUpdate, &r, &pt );
|
|
}
|
|
else if( rectUpdate )
|
|
{
|
|
if( !IntersectRect( &r2, &r, rectUpdate ) ) goto END;
|
|
OffsetRect( &r2, pt.x, pt.y );
|
|
|
|
rect2i:
|
|
if( wndPtr->hrgnUpdate == 0 )
|
|
wndPtr->hrgnUpdate = CreateRectRgnIndirect( &r2 );
|
|
else
|
|
hRgn = CreateRectRgnIndirect( &r2 );
|
|
}
|
|
else /* entire window or client depending on RDW_FRAME */
|
|
{
|
|
if( flags & RDW_FRAME )
|
|
{
|
|
if( wndPtr->hrgnUpdate )
|
|
DeleteObject( wndPtr->hrgnUpdate );
|
|
wndPtr->hrgnUpdate = 1;
|
|
}
|
|
else
|
|
{
|
|
GETCLIENTRECTW( wndPtr, r2 );
|
|
goto rect2i;
|
|
}
|
|
}
|
|
}
|
|
else if (flags & RDW_VALIDATE) /* ------------------------- Validate */
|
|
{
|
|
/* In this we cannot leave with zero hRgn */
|
|
if( hrgnUpdate )
|
|
{
|
|
hRgn = REGION_CropRgn( hRgn, hrgnUpdate, &r, &pt );
|
|
GetRgnBox( hRgn, &r2 );
|
|
if( IsRectEmpty( &r2 ) ) goto END;
|
|
}
|
|
else if( rectUpdate )
|
|
{
|
|
if( !IntersectRect( &r2, &r, rectUpdate ) ) goto END;
|
|
OffsetRect( &r2, pt.x, pt.y );
|
|
rect2v:
|
|
hRgn = CreateRectRgnIndirect( &r2 );
|
|
}
|
|
else /* entire window or client depending on RDW_FRAME */
|
|
{
|
|
if( flags & RDW_FRAME )
|
|
hRgn = 1;
|
|
else
|
|
{
|
|
GETCLIENTRECTW( wndPtr, r2 );
|
|
goto rect2v;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* At this point hRgn is either an update region in window coordinates or 1 or 0 */
|
|
|
|
RDW_UpdateRgns( wndPtr, hRgn, flags );
|
|
|
|
/* Erase/update windows, from now on hRgn is a scratch region */
|
|
|
|
hRgn = RDW_Paint( wndPtr, (hRgn == 1) ? 0 : hRgn, flags, ex );
|
|
|
|
END:
|
|
if( hRgn > 1 && (hRgn != hrgnUpdate) )
|
|
DeleteObject(hRgn );
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RedrawWindow32 (USER32.426)
|
|
*/
|
|
BOOL WINAPI RedrawWindow( HWND hwnd, const RECT *rectUpdate,
|
|
HRGN hrgnUpdate, UINT flags )
|
|
{
|
|
return PAINT_RedrawWindow( hwnd, rectUpdate, hrgnUpdate, flags, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* RedrawWindow16 (USER.290)
|
|
*/
|
|
BOOL16 WINAPI RedrawWindow16( HWND16 hwnd, const RECT16 *rectUpdate,
|
|
HRGN16 hrgnUpdate, UINT16 flags )
|
|
{
|
|
if (rectUpdate)
|
|
{
|
|
RECT r;
|
|
CONV_RECT16TO32( rectUpdate, &r );
|
|
return (BOOL16)RedrawWindow( (HWND)hwnd, &r, hrgnUpdate, flags );
|
|
}
|
|
return (BOOL16)PAINT_RedrawWindow( (HWND)hwnd, NULL,
|
|
(HRGN)hrgnUpdate, flags, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* UpdateWindow16 (USER.124)
|
|
*/
|
|
void WINAPI UpdateWindow16( HWND16 hwnd )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* UpdateWindow32 (USER32.567)
|
|
*/
|
|
void WINAPI UpdateWindow( HWND hwnd )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* InvalidateRgn16 (USER.126)
|
|
*/
|
|
void WINAPI InvalidateRgn16( HWND16 hwnd, HRGN16 hrgn, BOOL16 erase )
|
|
{
|
|
PAINT_RedrawWindow((HWND)hwnd, NULL, (HRGN)hrgn,
|
|
RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InvalidateRgn32 (USER32.329)
|
|
*/
|
|
BOOL WINAPI InvalidateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
return PAINT_RedrawWindow(hwnd, NULL, hrgn, RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InvalidateRect16 (USER.125)
|
|
*/
|
|
void WINAPI InvalidateRect16( HWND16 hwnd, const RECT16 *rect, BOOL16 erase )
|
|
{
|
|
RedrawWindow16( hwnd, rect, 0, RDW_INVALIDATE | (erase ? RDW_ERASE : 0) );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InvalidateRect32 (USER32.328)
|
|
*/
|
|
BOOL WINAPI InvalidateRect( HWND hwnd, const RECT *rect, BOOL erase )
|
|
{
|
|
return PAINT_RedrawWindow( hwnd, rect, 0,
|
|
RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRgn16 (USER.128)
|
|
*/
|
|
void WINAPI ValidateRgn16( HWND16 hwnd, HRGN16 hrgn )
|
|
{
|
|
PAINT_RedrawWindow( (HWND)hwnd, NULL, (HRGN)hrgn,
|
|
RDW_VALIDATE | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRgn32 (USER32.572)
|
|
*/
|
|
void WINAPI ValidateRgn( HWND hwnd, HRGN hrgn )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, NULL, hrgn, RDW_VALIDATE | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRect16 (USER.127)
|
|
*/
|
|
void WINAPI ValidateRect16( HWND16 hwnd, const RECT16 *rect )
|
|
{
|
|
RedrawWindow16( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRect32 (USER32.571)
|
|
*/
|
|
void WINAPI ValidateRect( HWND hwnd, const RECT *rect )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRect16 (USER.190)
|
|
*/
|
|
BOOL16 WINAPI GetUpdateRect16( HWND16 hwnd, LPRECT16 rect, BOOL16 erase )
|
|
{
|
|
RECT r;
|
|
BOOL16 ret;
|
|
|
|
if (!rect) return GetUpdateRect( hwnd, NULL, erase );
|
|
ret = GetUpdateRect( hwnd, &r, erase );
|
|
CONV_RECT32TO16( &r, rect );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRect32 (USER32.297)
|
|
*/
|
|
BOOL WINAPI GetUpdateRect( HWND hwnd, LPRECT rect, BOOL erase )
|
|
{
|
|
BOOL retvalue;
|
|
WND * wndPtr = WIN_FindWndPtr( hwnd );
|
|
if (!wndPtr) return FALSE;
|
|
|
|
if (rect)
|
|
{
|
|
if (wndPtr->hrgnUpdate > 1)
|
|
{
|
|
HRGN hrgn = CreateRectRgn( 0, 0, 0, 0 );
|
|
if (GetUpdateRgn( hwnd, hrgn, erase ) == ERROR)
|
|
{
|
|
retvalue = FALSE;
|
|
goto END;
|
|
}
|
|
GetRgnBox( hrgn, rect );
|
|
DeleteObject( hrgn );
|
|
if (GetClassLongA(wndPtr->hwndSelf, GCL_STYLE) & CS_OWNDC)
|
|
{
|
|
if (GetMapMode(wndPtr->dce->hDC) != MM_TEXT)
|
|
{
|
|
DPtoLP (wndPtr->dce->hDC, (LPPOINT)rect, 2);
|
|
}
|
|
}
|
|
}
|
|
else
|
|
if( wndPtr->hrgnUpdate == 1 )
|
|
{
|
|
GetClientRect( hwnd, rect );
|
|
if (erase) RedrawWindow( hwnd, NULL, 0, RDW_FRAME | RDW_ERASENOW | RDW_NOCHILDREN );
|
|
}
|
|
else
|
|
SetRectEmpty( rect );
|
|
}
|
|
retvalue = (wndPtr->hrgnUpdate >= 1);
|
|
END:
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return retvalue;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRgn16 (USER.237)
|
|
*/
|
|
INT16 WINAPI GetUpdateRgn16( HWND16 hwnd, HRGN16 hrgn, BOOL16 erase )
|
|
{
|
|
return GetUpdateRgn( hwnd, hrgn, erase );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRgn (USER32.298)
|
|
*/
|
|
INT WINAPI GetUpdateRgn( HWND hwnd, HRGN hrgn, BOOL erase )
|
|
{
|
|
INT retval;
|
|
WND * wndPtr = WIN_FindWndPtr( hwnd );
|
|
if (!wndPtr) return ERROR;
|
|
|
|
if (wndPtr->hrgnUpdate == 0)
|
|
{
|
|
SetRectRgn( hrgn, 0, 0, 0, 0 );
|
|
retval = NULLREGION;
|
|
goto END;
|
|
}
|
|
else
|
|
if (wndPtr->hrgnUpdate == 1)
|
|
{
|
|
SetRectRgn( hrgn, 0, 0, wndPtr->rectClient.right - wndPtr->rectClient.left,
|
|
wndPtr->rectClient.bottom - wndPtr->rectClient.top );
|
|
retval = SIMPLEREGION;
|
|
}
|
|
else
|
|
{
|
|
retval = CombineRgn( hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY );
|
|
OffsetRgn( hrgn, wndPtr->rectWindow.left - wndPtr->rectClient.left,
|
|
wndPtr->rectWindow.top - wndPtr->rectClient.top );
|
|
}
|
|
if (erase) RedrawWindow( hwnd, NULL, 0, RDW_ERASENOW | RDW_NOCHILDREN );
|
|
END:
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return retval;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ExcludeUpdateRgn16 (USER.238)
|
|
*/
|
|
INT16 WINAPI ExcludeUpdateRgn16( HDC16 hdc, HWND16 hwnd )
|
|
{
|
|
return ExcludeUpdateRgn( hdc, hwnd );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ExcludeUpdateRgn32 (USER32.195)
|
|
*/
|
|
INT WINAPI ExcludeUpdateRgn( HDC hdc, HWND hwnd )
|
|
{
|
|
RECT rect;
|
|
WND * wndPtr;
|
|
|
|
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return ERROR;
|
|
|
|
if (wndPtr->hrgnUpdate)
|
|
{
|
|
INT ret;
|
|
HRGN hrgn = CreateRectRgn(wndPtr->rectWindow.left - wndPtr->rectClient.left,
|
|
wndPtr->rectWindow.top - wndPtr->rectClient.top,
|
|
wndPtr->rectWindow.right - wndPtr->rectClient.left,
|
|
wndPtr->rectWindow.bottom - wndPtr->rectClient.top);
|
|
if( wndPtr->hrgnUpdate > 1 )
|
|
{
|
|
CombineRgn(hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY);
|
|
OffsetRgn(hrgn, wndPtr->rectWindow.left - wndPtr->rectClient.left,
|
|
wndPtr->rectWindow.top - wndPtr->rectClient.top );
|
|
}
|
|
|
|
/* do ugly coordinate translations in dce.c */
|
|
|
|
ret = DCE_ExcludeRgn( hdc, wndPtr, hrgn );
|
|
DeleteObject( hrgn );
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return ret;
|
|
}
|
|
WIN_ReleaseWndPtr(wndPtr);
|
|
return GetClipBox( hdc, &rect );
|
|
}
|
|
|
|
|