68bfb2a082
Dynamic cast can be dangerous - if the cast fails then it returns NULL. Coverity picked this up - it could effect Window::IsNativeWidgetEndabled(). Hopefully I'll get rid of this when I remove meOutDevType during work on fdo#74702. Change-Id: Id6df1eeff716a6acd1b108b5e1e4674e819afe3d
341 lines
10 KiB
C++
341 lines
10 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <vcl/outdev.hxx>
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#include <vcl/window.hxx>
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#include <vcl/salnativewidgets.hxx>
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#include <vcl/pdfextoutdevdata.hxx>
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#include <salgdi.hxx>
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static bool EnableNativeWidget( const OutputDevice& i_rDevice )
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{
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const OutDevType eType( i_rDevice.GetOutDevType() );
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switch ( eType )
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{
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case OUTDEV_WINDOW:
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{
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const Window* pWindow = dynamic_cast< const Window* >( &i_rDevice );
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if (pWindow)
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{
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return pWindow->IsNativeWidgetEnabled();
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}
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else
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{
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SAL_WARN ("vcl.gdi", "Could not cast i_rDevice to Window");
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assert (pWindow);
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return false;
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}
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}
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case OUTDEV_VIRDEV:
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{
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const ::vcl::ExtOutDevData* pOutDevData( i_rDevice.GetExtOutDevData() );
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const ::vcl::PDFExtOutDevData* pPDFData( dynamic_cast< const ::vcl::PDFExtOutDevData* >( pOutDevData ) );
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if ( pPDFData != NULL )
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return false;
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return true;
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}
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default:
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return false;
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}
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}
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ImplControlValue::~ImplControlValue()
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{
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}
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ImplControlValue* ImplControlValue::clone() const
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{
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assert( typeid( const ImplControlValue ) == typeid( *this ));
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return new ImplControlValue( *this );
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}
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ScrollbarValue::~ScrollbarValue()
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{
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}
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ScrollbarValue* ScrollbarValue::clone() const
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{
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assert( typeid( const ScrollbarValue ) == typeid( *this ));
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return new ScrollbarValue( *this );
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}
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SliderValue::~SliderValue()
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{
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}
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SliderValue* SliderValue::clone() const
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{
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assert( typeid( const SliderValue ) == typeid( *this ));
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return new SliderValue( *this );
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}
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TabitemValue::~TabitemValue()
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{
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}
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TabitemValue* TabitemValue::clone() const
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{
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assert( typeid( const TabitemValue ) == typeid( *this ));
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return new TabitemValue( *this );
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}
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SpinbuttonValue::~SpinbuttonValue()
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{
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}
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SpinbuttonValue* SpinbuttonValue::clone() const
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{
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assert( typeid( const SpinbuttonValue ) == typeid( *this ));
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return new SpinbuttonValue( *this );
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}
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ToolbarValue::~ToolbarValue()
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{
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}
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ToolbarValue* ToolbarValue::clone() const
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{
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assert( typeid( const ToolbarValue ) == typeid( *this ));
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return new ToolbarValue( *this );
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}
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MenubarValue::~MenubarValue()
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{
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}
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MenubarValue* MenubarValue::clone() const
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{
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assert( typeid( const MenubarValue ) == typeid( *this ));
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return new MenubarValue( *this );
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}
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MenupopupValue::~MenupopupValue()
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{
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}
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MenupopupValue* MenupopupValue::clone() const
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{
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assert( typeid( const MenupopupValue ) == typeid( *this ));
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return new MenupopupValue( *this );
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}
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PushButtonValue::~PushButtonValue()
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{
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}
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PushButtonValue* PushButtonValue::clone() const
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{
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assert( typeid( const PushButtonValue ) == typeid( *this ));
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return new PushButtonValue( *this );
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}
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// These functions are mainly passthrough functions that allow access to
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// the SalFrame behind a Window object for native widget rendering purposes.
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bool OutputDevice::IsNativeControlSupported( ControlType nType, ControlPart nPart ) const
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{
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if( !EnableNativeWidget( *this ) )
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return false;
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if ( !mpGraphics )
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if ( !AcquireGraphics() )
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return false;
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return( mpGraphics->IsNativeControlSupported(nType, nPart) );
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}
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bool OutputDevice::HitTestNativeControl( ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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const Point& aPos,
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bool& rIsInside ) const
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{
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if( !EnableNativeWidget( *this ) )
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return false;
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if ( !mpGraphics )
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if ( !AcquireGraphics() )
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return false;
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Point aWinOffs( mnOutOffX, mnOutOffY );
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Rectangle screenRegion( rControlRegion );
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screenRegion.Move( aWinOffs.X(), aWinOffs.Y());
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return( mpGraphics->HitTestNativeControl(nType, nPart, screenRegion, Point( aPos.X() + mnOutOffX, aPos.Y() + mnOutOffY ),
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rIsInside, this ) );
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}
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static boost::shared_ptr< ImplControlValue > TransformControlValue( const ImplControlValue& rVal, const OutputDevice& rDev )
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{
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boost::shared_ptr< ImplControlValue > aResult;
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switch( rVal.getType() )
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{
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case CTRL_SLIDER:
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{
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const SliderValue* pSlVal = static_cast<const SliderValue*>(&rVal);
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SliderValue* pNew = new SliderValue( *pSlVal );
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aResult.reset( pNew );
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pNew->maThumbRect = rDev.ImplLogicToDevicePixel( pSlVal->maThumbRect );
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}
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break;
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case CTRL_SCROLLBAR:
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{
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const ScrollbarValue* pScVal = static_cast<const ScrollbarValue*>(&rVal);
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ScrollbarValue* pNew = new ScrollbarValue( *pScVal );
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aResult.reset( pNew );
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pNew->maThumbRect = rDev.ImplLogicToDevicePixel( pScVal->maThumbRect );
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pNew->maButton1Rect = rDev.ImplLogicToDevicePixel( pScVal->maButton1Rect );
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pNew->maButton2Rect = rDev.ImplLogicToDevicePixel( pScVal->maButton2Rect );
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}
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break;
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case CTRL_SPINBUTTONS:
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{
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const SpinbuttonValue* pSpVal = static_cast<const SpinbuttonValue*>(&rVal);
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SpinbuttonValue* pNew = new SpinbuttonValue( *pSpVal );
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aResult.reset( pNew );
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pNew->maUpperRect = rDev.ImplLogicToDevicePixel( pSpVal->maUpperRect );
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pNew->maLowerRect = rDev.ImplLogicToDevicePixel( pSpVal->maLowerRect );
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}
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break;
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case CTRL_TOOLBAR:
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{
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const ToolbarValue* pTVal = static_cast<const ToolbarValue*>(&rVal);
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ToolbarValue* pNew = new ToolbarValue( *pTVal );
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aResult.reset( pNew );
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pNew->maGripRect = rDev.ImplLogicToDevicePixel( pTVal->maGripRect );
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}
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break;
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case CTRL_TAB_ITEM:
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{
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const TabitemValue* pTIVal = static_cast<const TabitemValue*>(&rVal);
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TabitemValue* pNew = new TabitemValue( *pTIVal );
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aResult.reset( pNew );
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}
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break;
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case CTRL_MENUBAR:
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{
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const MenubarValue* pMVal = static_cast<const MenubarValue*>(&rVal);
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MenubarValue* pNew = new MenubarValue( *pMVal );
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aResult.reset( pNew );
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}
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break;
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case CTRL_PUSHBUTTON:
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{
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const PushButtonValue* pBVal = static_cast<const PushButtonValue*>(&rVal);
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PushButtonValue* pNew = new PushButtonValue( *pBVal );
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aResult.reset( pNew );
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}
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break;
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case CTRL_GENERIC:
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aResult.reset( new ImplControlValue( rVal ) );
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break;
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case CTRL_MENU_POPUP:
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{
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const MenupopupValue* pMVal = static_cast<const MenupopupValue*>(&rVal);
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MenupopupValue* pNew = new MenupopupValue( *pMVal );
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pNew->maItemRect = rDev.ImplLogicToDevicePixel( pMVal->maItemRect );
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aResult.reset( pNew );
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}
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break;
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default:
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OSL_FAIL( "unknown ImplControlValue type !" );
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break;
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}
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return aResult;
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}
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bool OutputDevice::DrawNativeControl( ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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ControlState nState,
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const ImplControlValue& aValue,
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const OUString& aCaption )
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{
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if( !EnableNativeWidget( *this ) )
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return false;
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// make sure the current clip region is initialized correctly
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if ( !mpGraphics )
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if ( !AcquireGraphics() )
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return false;
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if ( mbInitClipRegion )
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InitClipRegion();
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if ( mbOutputClipped )
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return true;
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if ( mbInitLineColor )
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InitLineColor();
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if ( mbInitFillColor )
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InitFillColor();
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// Convert the coordinates from relative to Window-absolute, so we draw
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// in the correct place in platform code
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boost::shared_ptr< ImplControlValue > aScreenCtrlValue( TransformControlValue( aValue, *this ) );
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Rectangle screenRegion( ImplLogicToDevicePixel( rControlRegion ) );
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Region aTestRegion( GetActiveClipRegion() );
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aTestRegion.Intersect( rControlRegion );
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if (aTestRegion == Region(rControlRegion))
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nState |= CTRL_CACHING_ALLOWED; // control is not clipped, caching allowed
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bool bRet = mpGraphics->DrawNativeControl(nType, nPart, screenRegion, nState, *aScreenCtrlValue, aCaption, this );
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return bRet;
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}
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bool OutputDevice::GetNativeControlRegion( ControlType nType,
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ControlPart nPart,
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const Rectangle& rControlRegion,
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ControlState nState,
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const ImplControlValue& aValue,
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const OUString& aCaption,
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Rectangle &rNativeBoundingRegion,
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Rectangle &rNativeContentRegion ) const
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{
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if( !EnableNativeWidget( *this ) )
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return false;
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if ( !mpGraphics )
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if ( !AcquireGraphics() )
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return false;
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// Convert the coordinates from relative to Window-absolute, so we draw
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// in the correct place in platform code
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boost::shared_ptr< ImplControlValue > aScreenCtrlValue( TransformControlValue( aValue, *this ) );
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Rectangle screenRegion( ImplLogicToDevicePixel( rControlRegion ) );
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bool bRet = mpGraphics->GetNativeControlRegion(nType, nPart, screenRegion, nState, *aScreenCtrlValue,
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aCaption, rNativeBoundingRegion,
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rNativeContentRegion, this );
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if( bRet )
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{
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// transform back native regions
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rNativeBoundingRegion = ImplDevicePixelToLogic( rNativeBoundingRegion );
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rNativeContentRegion = ImplDevicePixelToLogic( rNativeContentRegion );
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}
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return bRet;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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