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Diffstat (limited to 'accessibility/source/standard/vclxaccessibletextcomponent.cxx')
| -rw-r--r-- | accessibility/source/standard/vclxaccessibletextcomponent.cxx | 376 |
1 files changed, 376 insertions, 0 deletions
diff --git a/accessibility/source/standard/vclxaccessibletextcomponent.cxx b/accessibility/source/standard/vclxaccessibletextcomponent.cxx new file mode 100644 index 000000000..c5dba0df9 --- /dev/null +++ b/accessibility/source/standard/vclxaccessibletextcomponent.cxx @@ -0,0 +1,376 @@ +/* -*- 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 <standard/vclxaccessibletextcomponent.hxx> +#include <toolkit/helper/convert.hxx> +#include <helper/characterattributeshelper.hxx> + +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp> +#include <com/sun/star/datatransfer/clipboard/XFlushableClipboard.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <vcl/window.hxx> +#include <vcl/svapp.hxx> +#include <vcl/unohelp2.hxx> +#include <vcl/ctrl.hxx> +#include <vcl/settings.hxx> +#include <i18nlangtag/languagetag.hxx> + +using namespace ::com::sun::star; +using namespace ::com::sun::star::uno; +using namespace ::com::sun::star::lang; +using namespace ::com::sun::star::beans; +using namespace ::com::sun::star::accessibility; +using namespace ::comphelper; + + + + +VCLXAccessibleTextComponent::VCLXAccessibleTextComponent( VCLXWindow* pVCLXWindow ) + :VCLXAccessibleComponent( pVCLXWindow ) +{ + VclPtr<vcl::Window> pWindow = GetWindow(); + if ( pWindow ) + m_sText = OutputDevice::GetNonMnemonicString( pWindow->GetText() ); +} + + +void VCLXAccessibleTextComponent::SetText( const OUString& sText ) +{ + Any aOldValue, aNewValue; + if ( implInitTextChangedEvent( m_sText, sText, aOldValue, aNewValue ) ) + { + m_sText = sText; + NotifyAccessibleEvent( AccessibleEventId::TEXT_CHANGED, aOldValue, aNewValue ); + } +} + + +void VCLXAccessibleTextComponent::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + switch ( rVclWindowEvent.GetId() ) + { + case VclEventId::WindowFrameTitleChanged: + { + VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); + SetText( implGetText() ); + } + break; + default: + VCLXAccessibleComponent::ProcessWindowEvent( rVclWindowEvent ); + } +} + + +// OCommonAccessibleText + + +OUString VCLXAccessibleTextComponent::implGetText() +{ + OUString aText; + VclPtr<vcl::Window> pWindow = GetWindow(); + if ( pWindow ) + aText = OutputDevice::GetNonMnemonicString( pWindow->GetText() ); + + return aText; +} + + +lang::Locale VCLXAccessibleTextComponent::implGetLocale() +{ + return Application::GetSettings().GetLanguageTag().getLocale(); +} + + +void VCLXAccessibleTextComponent::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex ) +{ + nStartIndex = 0; + nEndIndex = 0; +} + + +// XComponent + + +void VCLXAccessibleTextComponent::disposing() +{ + VCLXAccessibleComponent::disposing(); + + m_sText.clear(); +} + + +// XInterface + + +IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleTextComponent, VCLXAccessibleComponent, VCLXAccessibleTextComponent_BASE ) + + +// XTypeProvider + + +IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleTextComponent, VCLXAccessibleComponent, VCLXAccessibleTextComponent_BASE ) + + +// XAccessibleText + + +sal_Int32 VCLXAccessibleTextComponent::getCaretPosition() +{ + return -1; +} + + +sal_Bool VCLXAccessibleTextComponent::setCaretPosition( sal_Int32 nIndex ) +{ + return setSelection( nIndex, nIndex ); +} + + +sal_Unicode VCLXAccessibleTextComponent::getCharacter( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::implGetCharacter( implGetText(), nIndex ); +} + + +Sequence< PropertyValue > VCLXAccessibleTextComponent::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& aRequestedAttributes ) +{ + OExternalLockGuard aGuard( this ); + + Sequence< PropertyValue > aValues; + OUString sText( implGetText() ); + + if ( !implIsValidIndex( nIndex, sText.getLength() ) ) + throw IndexOutOfBoundsException(); + + VclPtr<vcl::Window> pWindow = GetWindow(); + if ( pWindow ) + { + vcl::Font aFont = pWindow->GetControlFont(); + + Color nBackColor = pWindow->GetControlBackground(); + Color nColor = pWindow->GetControlForeground(); + + // MT: Code with default font was introduced with the IA2 CWS, but I am not convinced that this is the correct font... + // Decide what to do when we have a concrete issue. + /* + Font aDefaultVCLFont; + OutputDevice* pDev = Application::GetDefaultDevice(); + if ( pDev ) + { + aDefaultVCLFont = pDev->GetSettings().GetStyleSettings().GetAppFont(); + if ( !aFont.GetName().Len() ) + { + String aDefaultName = aDefaultVCLFont.GetName(); + aFont.SetName( aDefaultName ); + } + if ( !aFont.GetHeight() ) + { + aFont.SetHeight( aDefaultVCLFont.GetHeight() ); + } + if ( aFont.GetWeight() == WEIGHT_DONTKNOW ) + { + aFont.SetWeight( aDefaultVCLFont.GetWeight() ); + } + + //if nColor is -1, it may indicate that the default color black is using. + if ( nColor == -1) + { + nColor = aDefaultVCLFont.GetColor().GetColor(); + } + } + */ + + // MT: Adjustment stuff was introduced with the IA2 CWS, but adjustment is not a character attribute... + // In case we reintroduce it, use adjustment as extra parameter for the CharacterAttributesHelper... + /* + WinBits aBits = GetWindow()->GetStyle(); + sal_Int16 nAdjust = -1; + if ( aBits & WB_LEFT ) + { + nAdjust = style::ParagraphAdjust_LEFT; + } + else if ( aBits & WB_RIGHT ) + { + nAdjust = style::ParagraphAdjust_RIGHT; + } + else if ( aBits & WB_CENTER ) + { + nAdjust = style::ParagraphAdjust_CENTER; + } + */ + + aValues = CharacterAttributesHelper( aFont, sal_Int32(nBackColor), sal_Int32(nColor) ) + .GetCharacterAttributes( aRequestedAttributes ); + } + + return aValues; +} + + +awt::Rectangle VCLXAccessibleTextComponent::getCharacterBounds( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( !implIsValidIndex( nIndex, implGetText().getLength() ) ) + throw IndexOutOfBoundsException(); + + awt::Rectangle aRect; + VclPtr< Control > pControl = GetAs< Control >(); + if ( pControl ) + aRect = AWTRectangle( pControl->GetCharacterBounds( nIndex ) ); + + return aRect; +} + + +sal_Int32 VCLXAccessibleTextComponent::getCharacterCount() +{ + OExternalLockGuard aGuard( this ); + + return implGetText().getLength(); +} + + +sal_Int32 VCLXAccessibleTextComponent::getIndexAtPoint( const awt::Point& aPoint ) +{ + OExternalLockGuard aGuard( this ); + + sal_Int32 nIndex = -1; + VclPtr< Control > pControl = GetAs< Control >(); + if ( pControl ) + nIndex = pControl->GetIndexForPoint( VCLPoint( aPoint ) ); + + return nIndex; +} + + +OUString VCLXAccessibleTextComponent::getSelectedText() +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getSelectedText(); +} + + +sal_Int32 VCLXAccessibleTextComponent::getSelectionStart() +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getSelectionStart(); +} + + +sal_Int32 VCLXAccessibleTextComponent::getSelectionEnd() +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getSelectionEnd(); +} + + +sal_Bool VCLXAccessibleTextComponent::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) ) + throw IndexOutOfBoundsException(); + + return false; +} + + +OUString VCLXAccessibleTextComponent::getText() +{ + OExternalLockGuard aGuard( this ); + + return implGetText(); +} + + +OUString VCLXAccessibleTextComponent::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::implGetTextRange( implGetText(), nStartIndex, nEndIndex ); +} + + +css::accessibility::TextSegment VCLXAccessibleTextComponent::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getTextAtIndex( nIndex, aTextType ); +} + + +css::accessibility::TextSegment VCLXAccessibleTextComponent::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getTextBeforeIndex( nIndex, aTextType ); +} + + +css::accessibility::TextSegment VCLXAccessibleTextComponent::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) +{ + OExternalLockGuard aGuard( this ); + + return OCommonAccessibleText::getTextBehindIndex( nIndex, aTextType ); +} + + +sal_Bool VCLXAccessibleTextComponent::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + + VclPtr<vcl::Window> pWindow = GetWindow(); + if ( pWindow ) + { + Reference< datatransfer::clipboard::XClipboard > xClipboard = pWindow->GetClipboard(); + if ( xClipboard.is() ) + { + OUString sText( OCommonAccessibleText::implGetTextRange( implGetText(), nStartIndex, nEndIndex ) ); + + rtl::Reference<vcl::unohelper::TextDataObject> pDataObj = new vcl::unohelper::TextDataObject( sText ); + + SolarMutexReleaser aReleaser; + xClipboard->setContents( pDataObj, nullptr ); + + Reference< datatransfer::clipboard::XFlushableClipboard > xFlushableClipboard( xClipboard, uno::UNO_QUERY ); + if( xFlushableClipboard.is() ) + xFlushableClipboard->flushClipboard(); + + bReturn = true; + } + } + + return bReturn; +} + +sal_Bool VCLXAccessibleTextComponent::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType ) +{ + return false; +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |