diff options
Diffstat (limited to 'vcl/unx/generic/gdi/salgdi2.cxx')
-rw-r--r-- | vcl/unx/generic/gdi/salgdi2.cxx | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/vcl/unx/generic/gdi/salgdi2.cxx b/vcl/unx/generic/gdi/salgdi2.cxx new file mode 100644 index 000000000..f26048ae1 --- /dev/null +++ b/vcl/unx/generic/gdi/salgdi2.cxx @@ -0,0 +1,89 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include <salgdiimpl.hxx> + +#include <vcl/sysdata.hxx> + +#include <unx/saldisp.hxx> +#include <unx/salgdi.h> +#include <unx/x11/xrender_peer.hxx> +#include <salframe.hxx> + +extern "C" +{ + static Bool GraphicsExposePredicate( Display*, XEvent* pEvent, const XPointer pFrameWindow ) + { + Bool bRet = False; + if( (pEvent->type == GraphicsExpose || pEvent->type == NoExpose) && + pEvent->xnoexpose.drawable == reinterpret_cast<Drawable>(pFrameWindow) ) + { + bRet = True; + } + return bRet; + } +} + +void X11SalGraphics::YieldGraphicsExpose() +{ + // get frame if necessary + SalFrame* pFrame = m_pFrame; + Display* pDisplay = GetXDisplay(); + ::Window aWindow = GetDrawable(); + if( ! pFrame ) + { + for (auto pSalFrame : vcl_sal::getSalDisplay(GetGenericUnixSalData())->getFrames() ) + { + const SystemEnvData* pEnvData = pSalFrame->GetSystemData(); + if( Drawable(pEnvData->GetWindowHandle(pSalFrame)) == aWindow ) + { + pFrame = pSalFrame; + break; + } + } + if( ! pFrame ) + return; + } + + XEvent aEvent; + while( XCheckTypedWindowEvent( pDisplay, aWindow, Expose, &aEvent ) ) + { + SalPaintEvent aPEvt( aEvent.xexpose.x, aEvent.xexpose.y, aEvent.xexpose.width+1, aEvent.xexpose.height+1 ); + pFrame->CallCallback( SalEvent::Paint, &aPEvt ); + } + + do + { + if( ! GetDisplay()->XIfEventWithTimeout( &aEvent, reinterpret_cast<XPointer>(aWindow), GraphicsExposePredicate ) ) + // this should not happen at all; still sometimes it happens + break; + + if( aEvent.type == NoExpose ) + break; + + if( pFrame ) + { + SalPaintEvent aPEvt( aEvent.xgraphicsexpose.x, aEvent.xgraphicsexpose.y, aEvent.xgraphicsexpose.width+1, aEvent.xgraphicsexpose.height+1 ); + pFrame->CallCallback( SalEvent::Paint, &aPEvt ); + } + } while( aEvent.xgraphicsexpose.count != 0 ); +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |