713 lines
21 KiB
C
713 lines
21 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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*
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* FIXME: Do not repaint full nonclient area all the time. Instead, compute
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* intersection with hrgnUpdate (which should be moved from client to
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* window coords as well, lookup 'the pain' comment in the winpos.c).
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*/
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#include <stdio.h>
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#include <X11/Xlib.h>
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#include "win.h"
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#include "queue.h"
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#include "gdi.h"
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#include "dce.h"
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#include "heap.h"
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#include "stddebug.h"
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/* #define DEBUG_WIN */
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#include "debug.h"
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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_UpdateNCArea
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*
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*/
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void WIN_UpdateNCArea(WND* wnd, BOOL32 bUpdate)
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{
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POINT16 pt = {0, 0};
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HRGN32 hClip = 1;
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dprintf_nonclient(stddeb,"NCUpdate: hwnd %04x, hrgnUpdate %04x\n",
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wnd->hwndSelf, wnd->hrgnUpdate );
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/* desktop window doesn't have 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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return;
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}
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if( wnd->hrgnUpdate > 1 )
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{
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ClientToScreen16(wnd->hwndSelf, &pt);
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hClip = CreateRectRgn32( 0, 0, 0, 0 );
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if (!CombineRgn32( hClip, wnd->hrgnUpdate, 0, RGN_COPY ))
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{
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DeleteObject32(hClip);
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hClip = 1;
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}
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else
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OffsetRgn32( hClip, pt.x, pt.y );
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if (bUpdate)
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{
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/* exclude non-client area from update region */
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HRGN32 hrgn = CreateRectRgn32( 0, 0,
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wnd->rectClient.right - wnd->rectClient.left,
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wnd->rectClient.bottom - wnd->rectClient.top);
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if (hrgn && (CombineRgn32( wnd->hrgnUpdate, wnd->hrgnUpdate,
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hrgn, RGN_AND) == NULLREGION))
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{
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DeleteObject32( wnd->hrgnUpdate );
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wnd->hrgnUpdate = 1;
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}
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DeleteObject32( hrgn );
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}
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}
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wnd->flags &= ~WIN_NEEDS_NCPAINT;
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if ((wnd->hwndSelf == GetActiveWindow32()) &&
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!(wnd->flags & WIN_NCACTIVATED))
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{
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wnd->flags |= WIN_NCACTIVATED;
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if( hClip > 1) DeleteObject32( hClip );
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hClip = 1;
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}
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if (hClip) SendMessage16( wnd->hwndSelf, WM_NCPAINT, hClip, 0L );
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if (hClip > 1) DeleteObject32( hClip );
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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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BOOL32 bIcon;
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HRGN32 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 && wndPtr->class->hIcon);
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wndPtr->flags &= ~WIN_NEEDS_BEGINPAINT;
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if (wndPtr->flags & WIN_NEEDS_NCPAINT) WIN_UpdateNCArea( wndPtr, TRUE );
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if (((hrgnUpdate = wndPtr->hrgnUpdate) != 0) ||
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(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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HideCaret32( hwnd );
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dprintf_win(stddeb,"hrgnUpdate = %04x, ", hrgnUpdate);
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/* When bIcon is TRUE hrgnUpdate is automatically in window coordinates
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* (because rectClient == rectWindow for WS_MINIMIZE windows).
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*/
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if (wndPtr->class->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 > 1)
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DeleteObject32(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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lps->hdc = GetDCEx16(hwnd, hrgnUpdate, DCX_INTERSECTRGN |
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DCX_WINDOWPAINT | DCX_USESTYLE |
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(bIcon ? DCX_WINDOW : 0) );
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}
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dprintf_win(stddeb,"hdc = %04x\n", lps->hdc);
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if (!lps->hdc)
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{
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fprintf(stderr, "GetDCEx() failed in BeginPaint(), hwnd=%04x\n", hwnd);
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return 0;
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}
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GetRgnBox16( InquireVisRgn(lps->hdc), &lps->rcPaint );
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DPtoLP16( lps->hdc, (LPPOINT16)&lps->rcPaint, 2 );
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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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return lps->hdc;
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}
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/***********************************************************************
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* BeginPaint32 (USER32.9)
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*/
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HDC32 WINAPI BeginPaint32( HWND32 hwnd, PAINTSTRUCT32 *lps )
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{
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PAINTSTRUCT16 ps;
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BeginPaint16( hwnd, &ps );
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lps->hdc = (HDC32)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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ShowCaret32( hwnd );
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return TRUE;
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}
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/***********************************************************************
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* EndPaint32 (USER32.175)
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*/
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BOOL32 WINAPI EndPaint32( HWND32 hwnd, const PAINTSTRUCT32 *lps )
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{
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ReleaseDC32( hwnd, lps->hdc );
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ShowCaret32( 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 FillWindow( 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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PaintRect( 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( HWND32 hParent, HWND32 hWnd, HDC16 hDC, UINT16 ctlType )
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{
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HBRUSH16 bkgBrush = (HBRUSH16)SendMessage32A( hParent, WM_CTLCOLORMSGBOX + ctlType,
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(WPARAM32)hDC, (LPARAM)hWnd );
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if( !IsGDIObject(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 PaintRect( 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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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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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 GetControlBrush( HWND16 hwnd, HDC16 hdc, UINT16 ctlType )
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{
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WND* wndPtr = WIN_FindWndPtr( hwnd );
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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 = wndPtr->owner;
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else parent = wndPtr->parent;
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if( !parent ) parent = wndPtr;
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return (HBRUSH16)PAINT_GetControlBrush( parent->hwndSelf, hwnd, hdc, ctlType );
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}
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return (HBRUSH16)0;
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}
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/***********************************************************************
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* PAINT_RedrawWindow
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*
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* FIXME: Windows uses WM_SYNCPAINT to cut down the number of intertask
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* SendMessage() calls. This is a comment inside DefWindowProc() source
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* from 16-bit SDK:
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*
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* This message avoids lots of inter-app message traffic
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* by switching to the other task and continuing the
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* recursion there.
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*
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* wParam = flags
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* LOWORD(lParam) = hrgnClip
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* HIWORD(lParam) = hwndSkip (not used; always NULL)
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*
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* All in all, a prime candidate for a rewrite.
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*/
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BOOL32 PAINT_RedrawWindow( HWND32 hwnd, const RECT32 *rectUpdate,
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HRGN32 hrgnUpdate, UINT32 flags, UINT32 control )
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{
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BOOL32 bIcon;
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HRGN32 hrgn;
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RECT32 rectClient;
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WND* wndPtr;
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WND **list, **ppWnd;
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if (!hwnd) hwnd = GetDesktopWindow32();
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if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return FALSE;
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if (!WIN_IsWindowDrawable( wndPtr, !(flags & RDW_FRAME) ) )
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return TRUE; /* No redraw needed */
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bIcon = (wndPtr->dwStyle & WS_MINIMIZE && wndPtr->class->hIcon);
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if (rectUpdate)
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{
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dprintf_win(stddeb, "RedrawWindow: %04x %d,%d-%d,%d %04x flags=%04x\n",
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hwnd, rectUpdate->left, rectUpdate->top,
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rectUpdate->right, rectUpdate->bottom, hrgnUpdate, flags );
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}
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else
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{
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dprintf_win(stddeb, "RedrawWindow: %04x NULL %04x flags=%04x\n",
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hwnd, hrgnUpdate, flags);
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}
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GetClientRect32( hwnd, &rectClient );
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if (flags & RDW_INVALIDATE) /* Invalidate */
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{
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int rgnNotEmpty = COMPLEXREGION;
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if (wndPtr->hrgnUpdate > 1) /* Is there already an update region? */
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{
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if ((hrgn = hrgnUpdate) == 0)
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hrgn = CreateRectRgnIndirect32( rectUpdate ? rectUpdate :
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&rectClient );
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rgnNotEmpty = CombineRgn32( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate,
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hrgn, RGN_OR );
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if (!hrgnUpdate) DeleteObject32( hrgn );
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}
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else /* No update region yet */
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{
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if (!(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
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if (hrgnUpdate)
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{
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wndPtr->hrgnUpdate = CreateRectRgn32( 0, 0, 0, 0 );
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rgnNotEmpty = CombineRgn32( wndPtr->hrgnUpdate, hrgnUpdate,
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0, RGN_COPY );
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}
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else wndPtr->hrgnUpdate = CreateRectRgnIndirect32( rectUpdate ?
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rectUpdate : &rectClient );
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}
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if (flags & RDW_FRAME) wndPtr->flags |= WIN_NEEDS_NCPAINT;
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/* check for bogus update region */
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if ( rgnNotEmpty == NULLREGION )
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{
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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DeleteObject32( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate=0;
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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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else
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if (flags & RDW_ERASE) wndPtr->flags |= WIN_NEEDS_ERASEBKGND;
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flags |= RDW_FRAME; /* Force children frame invalidation */
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}
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else if (flags & RDW_VALIDATE) /* Validate */
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{
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/* We need an update region in order to validate anything */
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if (wndPtr->hrgnUpdate > 1)
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{
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if (!hrgnUpdate && !rectUpdate)
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{
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/* Special case: validate everything */
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DeleteObject32( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = 0;
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}
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else
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{
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if ((hrgn = hrgnUpdate) == 0)
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hrgn = CreateRectRgnIndirect32( rectUpdate );
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if (CombineRgn32( wndPtr->hrgnUpdate, wndPtr->hrgnUpdate,
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hrgn, RGN_DIFF ) == NULLREGION)
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{
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DeleteObject32( wndPtr->hrgnUpdate );
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wndPtr->hrgnUpdate = 0;
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}
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if (!hrgnUpdate) DeleteObject32( hrgn );
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}
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if (!wndPtr->hrgnUpdate) /* No more update region */
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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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if (flags & RDW_NOFRAME) wndPtr->flags &= ~WIN_NEEDS_NCPAINT;
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if (flags & RDW_NOERASE) wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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}
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/* Set/clear internal paint flag */
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if (flags & RDW_INTERNALPAINT)
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{
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if ( wndPtr->hrgnUpdate <= 1 && !(wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_IncPaintCount( wndPtr->hmemTaskQ );
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wndPtr->flags |= WIN_INTERNAL_PAINT;
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}
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else if (flags & RDW_NOINTERNALPAINT)
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{
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if ( wndPtr->hrgnUpdate <= 1 && (wndPtr->flags & WIN_INTERNAL_PAINT))
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QUEUE_DecPaintCount( wndPtr->hmemTaskQ );
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wndPtr->flags &= ~WIN_INTERNAL_PAINT;
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}
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/* Erase/update window */
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if (flags & RDW_UPDATENOW)
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{
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if (wndPtr->hrgnUpdate) /* wm_painticon wparam is 1 */
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SendMessage16( hwnd, (bIcon) ? WM_PAINTICON : WM_PAINT, bIcon, 0 );
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}
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else if (flags & RDW_ERASENOW)
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{
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if (wndPtr->flags & WIN_NEEDS_NCPAINT)
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WIN_UpdateNCArea( wndPtr, FALSE);
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if (wndPtr->flags & WIN_NEEDS_ERASEBKGND)
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{
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HDC32 hdc = GetDCEx32( hwnd, wndPtr->hrgnUpdate,
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DCX_INTERSECTRGN | DCX_USESTYLE |
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DCX_KEEPCLIPRGN | DCX_WINDOWPAINT |
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(bIcon ? DCX_WINDOW : 0) );
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if (hdc)
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{
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if (SendMessage16( hwnd, (bIcon) ? WM_ICONERASEBKGND
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: WM_ERASEBKGND,
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(WPARAM16)hdc, 0 ))
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wndPtr->flags &= ~WIN_NEEDS_ERASEBKGND;
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ReleaseDC32( hwnd, hdc );
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}
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}
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}
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/* Recursively process children */
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if (!(flags & RDW_NOCHILDREN) &&
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((flags & RDW_ALLCHILDREN) || !(wndPtr->dwStyle & WS_CLIPCHILDREN)) &&
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!(wndPtr->dwStyle & WS_MINIMIZE) )
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{
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if ( hrgnUpdate || rectUpdate )
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{
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if (!(hrgn = CreateRectRgn32( 0, 0, 0, 0 ))) return TRUE;
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if( !hrgnUpdate )
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{
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control |= (RDW_C_DELETEHRGN | RDW_C_USEHRGN);
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if( !(hrgnUpdate = CreateRectRgnIndirect32( rectUpdate )) )
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{
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DeleteObject32( hrgn );
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return TRUE;
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}
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}
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if( (list = WIN_BuildWinArray( wndPtr, 0, NULL )) )
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{
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for (ppWnd = list; *ppWnd; ppWnd++)
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{
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wndPtr = *ppWnd;
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if (!IsWindow32(wndPtr->hwndSelf)) continue;
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if (wndPtr->dwStyle & WS_VISIBLE)
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{
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SetRectRgn32( hrgn,
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wndPtr->rectWindow.left, wndPtr->rectWindow.top,
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wndPtr->rectWindow.right, wndPtr->rectWindow.bottom );
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if (CombineRgn32( hrgn, hrgn, hrgnUpdate, RGN_AND ))
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{
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OffsetRgn32( hrgn, -wndPtr->rectClient.left,
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-wndPtr->rectClient.top );
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PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, hrgn, flags,
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RDW_C_USEHRGN );
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}
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}
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}
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HeapFree( SystemHeap, 0, list );
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}
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DeleteObject32( hrgn );
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if (control & RDW_C_DELETEHRGN) DeleteObject32( hrgnUpdate );
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}
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else
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{
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if( (list = WIN_BuildWinArray( wndPtr, 0, NULL )) )
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{
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for (ppWnd = list; *ppWnd; ppWnd++)
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{
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wndPtr = *ppWnd;
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if (IsWindow32( wndPtr->hwndSelf ))
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PAINT_RedrawWindow( wndPtr->hwndSelf, NULL, 0, flags, 0 );
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}
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HeapFree( SystemHeap, 0, list );
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}
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}
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}
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return TRUE;
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}
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/***********************************************************************
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* RedrawWindow32 (USER32.425)
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*/
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BOOL32 WINAPI RedrawWindow32( HWND32 hwnd, const RECT32 *rectUpdate,
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HRGN32 hrgnUpdate, UINT32 flags )
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{
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|
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)
|
|
{
|
|
RECT32 r;
|
|
CONV_RECT16TO32( rectUpdate, &r );
|
|
return (BOOL16)RedrawWindow32( (HWND32)hwnd, &r, hrgnUpdate, flags );
|
|
}
|
|
return (BOOL16)PAINT_RedrawWindow( (HWND32)hwnd, NULL,
|
|
(HRGN32)hrgnUpdate, flags, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* UpdateWindow16 (USER.124)
|
|
*/
|
|
void WINAPI UpdateWindow16( HWND16 hwnd )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, NULL, 0, RDW_UPDATENOW | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
/***********************************************************************
|
|
* UpdateWindow32 (USER32.566)
|
|
*/
|
|
void WINAPI UpdateWindow32( HWND32 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((HWND32)hwnd, NULL, (HRGN32)hrgn,
|
|
RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* InvalidateRgn32 (USER32.328)
|
|
*/
|
|
void WINAPI InvalidateRgn32( HWND32 hwnd, HRGN32 hrgn, BOOL32 erase )
|
|
{
|
|
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 (USER32.327)
|
|
*/
|
|
void WINAPI InvalidateRect32( HWND32 hwnd, const RECT32 *rect, BOOL32 erase )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, rect, 0,
|
|
RDW_INVALIDATE | (erase ? RDW_ERASE : 0), 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRgn16 (USER.128)
|
|
*/
|
|
void WINAPI ValidateRgn16( HWND16 hwnd, HRGN16 hrgn )
|
|
{
|
|
PAINT_RedrawWindow( (HWND32)hwnd, NULL, (HRGN32)hrgn,
|
|
RDW_VALIDATE | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ValidateRgn32 (USER32.571)
|
|
*/
|
|
void WINAPI ValidateRgn32( HWND32 hwnd, HRGN32 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 (USER32.570)
|
|
*/
|
|
void WINAPI ValidateRect32( HWND32 hwnd, const RECT32 *rect )
|
|
{
|
|
PAINT_RedrawWindow( hwnd, rect, 0, RDW_VALIDATE | RDW_NOCHILDREN, 0 );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRect16 (USER.190)
|
|
*/
|
|
BOOL16 WINAPI GetUpdateRect16( HWND16 hwnd, LPRECT16 rect, BOOL16 erase )
|
|
{
|
|
RECT32 r;
|
|
BOOL16 ret;
|
|
|
|
if (!rect) return GetUpdateRect32( hwnd, NULL, erase );
|
|
ret = GetUpdateRect32( hwnd, &r, erase );
|
|
CONV_RECT32TO16( &r, rect );
|
|
return ret;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRect32 (USER32.296)
|
|
*/
|
|
BOOL32 WINAPI GetUpdateRect32( HWND32 hwnd, LPRECT32 rect, BOOL32 erase )
|
|
{
|
|
WND * wndPtr = WIN_FindWndPtr( hwnd );
|
|
if (!wndPtr) return FALSE;
|
|
|
|
if (rect)
|
|
{
|
|
if (wndPtr->hrgnUpdate > 1)
|
|
{
|
|
HRGN32 hrgn = CreateRectRgn32( 0, 0, 0, 0 );
|
|
if (GetUpdateRgn32( hwnd, hrgn, erase ) == ERROR) return FALSE;
|
|
GetRgnBox32( hrgn, rect );
|
|
DeleteObject32( hrgn );
|
|
}
|
|
else SetRectEmpty32( rect );
|
|
}
|
|
return (wndPtr->hrgnUpdate > 1);
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRgn16 (USER.237)
|
|
*/
|
|
INT16 WINAPI GetUpdateRgn16( HWND16 hwnd, HRGN16 hrgn, BOOL16 erase )
|
|
{
|
|
return GetUpdateRgn32( hwnd, hrgn, erase );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* GetUpdateRgn32 (USER32.297)
|
|
*/
|
|
INT32 WINAPI GetUpdateRgn32( HWND32 hwnd, HRGN32 hrgn, BOOL32 erase )
|
|
{
|
|
INT32 retval;
|
|
WND * wndPtr = WIN_FindWndPtr( hwnd );
|
|
if (!wndPtr) return ERROR;
|
|
|
|
if (wndPtr->hrgnUpdate <= 1)
|
|
{
|
|
SetRectRgn32( hrgn, 0, 0, 0, 0 );
|
|
return NULLREGION;
|
|
}
|
|
retval = CombineRgn32( hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY );
|
|
if (erase) RedrawWindow32( hwnd, NULL, 0, RDW_ERASENOW | RDW_NOCHILDREN );
|
|
return retval;
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ExcludeUpdateRgn16 (USER.238)
|
|
*/
|
|
INT16 WINAPI ExcludeUpdateRgn16( HDC16 hdc, HWND16 hwnd )
|
|
{
|
|
return ExcludeUpdateRgn32( hdc, hwnd );
|
|
}
|
|
|
|
|
|
/***********************************************************************
|
|
* ExcludeUpdateRgn32 (USER32.194)
|
|
*/
|
|
INT32 WINAPI ExcludeUpdateRgn32( HDC32 hdc, HWND32 hwnd )
|
|
{
|
|
RECT32 rect;
|
|
WND * wndPtr;
|
|
|
|
if (!(wndPtr = WIN_FindWndPtr( hwnd ))) return ERROR;
|
|
|
|
if (wndPtr->hrgnUpdate)
|
|
{
|
|
INT32 ret;
|
|
HRGN32 hrgn = CreateRectRgn32(wndPtr->rectWindow.left - wndPtr->rectClient.left,
|
|
wndPtr->rectWindow.top - wndPtr->rectClient.top,
|
|
wndPtr->rectClient.right - wndPtr->rectClient.left,
|
|
wndPtr->rectClient.bottom - wndPtr->rectClient.top);
|
|
if( wndPtr->hrgnUpdate > 1 )
|
|
CombineRgn32(hrgn, wndPtr->hrgnUpdate, 0, RGN_COPY);
|
|
|
|
/* do ugly coordinate translations in dce.c */
|
|
|
|
ret = DCE_ExcludeRgn( hdc, wndPtr, hrgn );
|
|
DeleteObject32( hrgn );
|
|
return ret;
|
|
}
|
|
return GetClipBox32( hdc, &rect );
|
|
}
|
|
|
|
|