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Diffstat (limited to '')
| -rw-r--r-- | accessibility/source/standard/vclxaccessibleedit.cxx | 608 |
1 files changed, 608 insertions, 0 deletions
diff --git a/accessibility/source/standard/vclxaccessibleedit.cxx b/accessibility/source/standard/vclxaccessibleedit.cxx new file mode 100644 index 000000000..d41c29737 --- /dev/null +++ b/accessibility/source/standard/vclxaccessibleedit.cxx @@ -0,0 +1,608 @@ +/* -*- 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/vclxaccessibleedit.hxx> + +#include <toolkit/awt/vclxwindows.hxx> +#include <toolkit/helper/convert.hxx> + +#include <unotools/accessiblestatesethelper.hxx> +#include <com/sun/star/accessibility/AccessibleStateType.hpp> +#include <com/sun/star/accessibility/AccessibleEventId.hpp> +#include <com/sun/star/accessibility/AccessibleRole.hpp> +#include <com/sun/star/datatransfer/clipboard/XClipboard.hpp> +#include <com/sun/star/accessibility/AccessibleTextType.hpp> +#include <com/sun/star/lang/IndexOutOfBoundsException.hpp> +#include <comphelper/string.hxx> +#include <vcl/svapp.hxx> +#include <vcl/window.hxx> +#include <vcl/settings.hxx> +#include <vcl/toolkit/edit.hxx> +#include <vcl/toolkit/vclmedit.hxx> +#include <vcl/textdata.hxx> +#include <vcl/txtattr.hxx> +#include <vcl/xtextedt.hxx> +#include <sot/exchange.hxx> +#include <sot/formats.hxx> + +#include <algorithm> + +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; + + +// VCLXAccessibleEdit + + +VCLXAccessibleEdit::VCLXAccessibleEdit( VCLXWindow* pVCLWindow ) + :VCLXAccessibleTextComponent( pVCLWindow ) +{ + m_nCaretPosition = getCaretPosition(); +} + + +void VCLXAccessibleEdit::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) +{ + switch ( rVclWindowEvent.GetId() ) + { + case VclEventId::EditModify: + { + SetText( implGetText() ); + } + break; + case VclEventId::EditCaretChanged: + { + sal_Int32 nOldCaretPosition = m_nCaretPosition; + m_nCaretPosition = getCaretPosition(); + + VclPtr<vcl::Window> pWindow = GetWindow(); + if (pWindow && pWindow->HasChildPathFocus()) + { + if (m_nCaretPosition != nOldCaretPosition) + { + Any aOldValue, aNewValue; + aOldValue <<= nOldCaretPosition; + aNewValue <<= m_nCaretPosition; + NotifyAccessibleEvent( AccessibleEventId::CARET_CHANGED, aOldValue, aNewValue ); + } + } + } + break; + case VclEventId::EditSelectionChanged: + { + VclPtr<vcl::Window> pWindow = GetWindow(); + if (pWindow && pWindow->HasChildPathFocus()) + { + NotifyAccessibleEvent( AccessibleEventId::TEXT_SELECTION_CHANGED, Any(), Any() ); + } + } + break; + default: + VCLXAccessibleTextComponent::ProcessWindowEvent( rVclWindowEvent ); + } +} + + +void VCLXAccessibleEdit::FillAccessibleStateSet( utl::AccessibleStateSetHelper& rStateSet ) +{ + VCLXAccessibleTextComponent::FillAccessibleStateSet( rStateSet ); + + VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); + if ( pVCLXEdit ) + { + rStateSet.AddState( AccessibleStateType::FOCUSABLE ); + rStateSet.AddState( AccessibleStateType::SINGLE_LINE ); + if ( pVCLXEdit->isEditable() ) + rStateSet.AddState( AccessibleStateType::EDITABLE ); + } +} + + +// OCommonAccessibleText + + +OUString VCLXAccessibleEdit::implGetText() +{ + OUString aText; + + VclPtr< Edit > pEdit = GetAs< Edit >(); + if ( pEdit ) + { + aText = OutputDevice::GetNonMnemonicString( pEdit->GetText() ); + + if ( implGetAccessibleRole() == AccessibleRole::PASSWORD_TEXT ) + { + sal_Unicode cEchoChar = pEdit->GetEchoChar(); + if ( !cEchoChar ) + cEchoChar = '*'; + OUStringBuffer sTmp(aText.getLength()); + aText = comphelper::string::padToLength(sTmp, aText.getLength(), + cEchoChar).makeStringAndClear(); + } + } + + return aText; +} + + +void VCLXAccessibleEdit::implGetSelection( sal_Int32& nStartIndex, sal_Int32& nEndIndex ) +{ + awt::Selection aSelection; + VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); + if ( pVCLXEdit ) + aSelection = pVCLXEdit->getSelection(); + + nStartIndex = aSelection.Min; + nEndIndex = aSelection.Max; +} + + +// XInterface + + +IMPLEMENT_FORWARD_XINTERFACE2( VCLXAccessibleEdit, VCLXAccessibleTextComponent, VCLXAccessibleEdit_BASE ) + + +// XTypeProvider + + +IMPLEMENT_FORWARD_XTYPEPROVIDER2( VCLXAccessibleEdit, VCLXAccessibleTextComponent, VCLXAccessibleEdit_BASE ) + + +// XServiceInfo + + +OUString VCLXAccessibleEdit::getImplementationName() +{ + return "com.sun.star.comp.toolkit.AccessibleEdit"; +} + + +Sequence< OUString > VCLXAccessibleEdit::getSupportedServiceNames() +{ + return { "com.sun.star.awt.AccessibleEdit" }; +} + + +// XAccessibleContext + + +sal_Int32 VCLXAccessibleEdit::getAccessibleChildCount() +{ + OExternalLockGuard aGuard( this ); + + return 0; +} + + +Reference< XAccessible > VCLXAccessibleEdit::getAccessibleChild( sal_Int32 ) +{ + throw IndexOutOfBoundsException(); +} + + +sal_Int16 VCLXAccessibleEdit::getAccessibleRole( ) +{ + OExternalLockGuard aGuard( this ); + + return implGetAccessibleRole(); +} + +sal_Int16 VCLXAccessibleEdit::implGetAccessibleRole( ) +{ + sal_Int16 nRole; + VclPtr< Edit > pEdit = GetAs< Edit >(); + if ( pEdit && ( pEdit->IsPassword() || pEdit->GetEchoChar() ) ) + nRole = AccessibleRole::PASSWORD_TEXT; + else if ( pEdit && ( pEdit->GetStyle() & WB_READONLY ) ) + nRole = AccessibleRole::STATIC; + else + nRole = AccessibleRole::TEXT; + + return nRole; +} + + +// XAccessibleAction + + +sal_Int32 VCLXAccessibleEdit::getAccessibleActionCount( ) +{ + OExternalLockGuard aGuard( this ); + + // There is one action: activate + return 1; +} + + +sal_Bool VCLXAccessibleEdit::doAccessibleAction ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + bool bDoAction = false; + VclPtr<vcl::Window> pWindow = GetWindow(); + if ( pWindow ) + { + pWindow->GrabFocus(); + bDoAction = true; + } + + return bDoAction; +} + + +OUString VCLXAccessibleEdit::getAccessibleActionDescription ( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0) + throw IndexOutOfBoundsException(); + + return "activate"; +} + + +Reference< XAccessibleKeyBinding > VCLXAccessibleEdit::getAccessibleActionKeyBinding( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + if ( nIndex != 0 ) + throw IndexOutOfBoundsException(); + + return Reference< XAccessibleKeyBinding >(); +} + + +// XAccessibleText + + +sal_Int32 VCLXAccessibleEdit::getCaretPosition( ) +{ + return getSelectionEnd(); +} + + +sal_Bool VCLXAccessibleEdit::setCaretPosition( sal_Int32 nIndex ) +{ + return setSelection( nIndex, nIndex ); +} + + +sal_Unicode VCLXAccessibleEdit::getCharacter( sal_Int32 nIndex ) +{ + return VCLXAccessibleTextComponent::getCharacter( nIndex ); +} + + +Sequence< PropertyValue > VCLXAccessibleEdit::getCharacterAttributes( sal_Int32 nIndex, const Sequence< OUString >& aRequestedAttributes ) +{ + OExternalLockGuard aGuard( this ); + Sequence< PropertyValue > aProperties = VCLXAccessibleTextComponent::getCharacterAttributes( nIndex, aRequestedAttributes ); + auto aNonConstRange = asNonConstRange(aProperties); + + // Handle multiline edit character properties + VclPtr<VclMultiLineEdit> pMulitLineEdit = GetAsDynamic< VclMultiLineEdit >(); + if ( pMulitLineEdit ) + { + ExtTextEngine* pTextEngine = pMulitLineEdit->GetTextEngine(); + TextPaM aCursor( 0, nIndex ); + const TextAttribFontColor* pFontColor = static_cast<const TextAttribFontColor* >(pTextEngine->FindAttrib( aCursor, TEXTATTR_FONTCOLOR )); + if ( pFontColor ) + { + for (PropertyValue& aValue : aNonConstRange ) + { + if (aValue.Name == "CharColor") + { + aValue.Value <<= pFontColor->GetColor().GetRGBColor(); + break; + } + } + } + } + + // Set default character color if it is not set yet to a valid value + for (PropertyValue& aValue : aNonConstRange ) + { + if (aValue.Name == "CharColor") + { + if ( aValue.Value == sal_Int32(-1) ) + { + OutputDevice* pDev = Application::GetDefaultDevice(); + if ( pDev ) + { + aValue.Value <<= pDev->GetSettings().GetStyleSettings().GetFieldTextColor(); + } + } + break; + } + } + + return aProperties; +} + + +awt::Rectangle VCLXAccessibleEdit::getCharacterBounds( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + awt::Rectangle aBounds( 0, 0, 0, 0 ); + sal_Int32 nLength = implGetText().getLength(); + + if ( !implIsValidRange( nIndex, nIndex, nLength ) ) + throw IndexOutOfBoundsException(); + + VclPtr< Control > pControl = GetAs< Control >(); + if ( pControl ) + { + if ( nIndex == nLength ) + { + // #108914# calculate virtual bounding rectangle + for ( sal_Int32 i = 0; i < nLength; ++i ) + { + tools::Rectangle aRect = pControl->GetCharacterBounds( i ); + sal_Int32 nHeight = aRect.GetHeight(); + if ( aBounds.Height < nHeight ) + { + aBounds.Y = aRect.Top(); + aBounds.Height = nHeight; + } + if ( i == nLength - 1 ) + { + aBounds.X = aRect.Right() + 1; + aBounds.Width = 1; + } + } + } + else + { + aBounds = AWTRectangle( pControl->GetCharacterBounds( nIndex ) ); + } + } + + return aBounds; +} + + +sal_Int32 VCLXAccessibleEdit::getCharacterCount( ) +{ + return VCLXAccessibleTextComponent::getCharacterCount(); +} + + +sal_Int32 VCLXAccessibleEdit::getIndexAtPoint( const awt::Point& aPoint ) +{ + return VCLXAccessibleTextComponent::getIndexAtPoint( aPoint ); +} + + +OUString VCLXAccessibleEdit::getSelectedText( ) +{ + return VCLXAccessibleTextComponent::getSelectedText(); +} + + +sal_Int32 VCLXAccessibleEdit::getSelectionStart( ) +{ + return VCLXAccessibleTextComponent::getSelectionStart(); +} + + +sal_Int32 VCLXAccessibleEdit::getSelectionEnd( ) +{ + return VCLXAccessibleTextComponent::getSelectionEnd(); +} + + +sal_Bool VCLXAccessibleEdit::setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + OUString sText( implGetText() ); + + if ( !implIsValidRange( nStartIndex, nEndIndex, sText.getLength() ) ) + throw IndexOutOfBoundsException(); + + VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); + VclPtr< Edit > pEdit = GetAs< Edit >(); + if ( pVCLXEdit && pEdit && pEdit->IsEnabled() ) + { + pVCLXEdit->setSelection( awt::Selection( nStartIndex, nEndIndex ) ); + bReturn = true; + } + + return bReturn; +} + + +OUString VCLXAccessibleEdit::getText( ) +{ + return VCLXAccessibleTextComponent::getText(); +} + + +OUString VCLXAccessibleEdit::getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + return VCLXAccessibleTextComponent::getTextRange( nStartIndex, nEndIndex ); +} + + +css::accessibility::TextSegment VCLXAccessibleEdit::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) +{ + OExternalLockGuard aGuard( this ); + // Override general text component behavior: MultiLineEdit can have more text portions + if ( aTextType == AccessibleTextType::ATTRIBUTE_RUN ) + { + VclPtr<VclMultiLineEdit> pMulitLineEdit = GetAsDynamic< VclMultiLineEdit >(); + if ( pMulitLineEdit ) + { + ExtTextEngine* pTextEngine = pMulitLineEdit->GetTextEngine(); + TextPaM aCursor( 0, nIndex ); + TextSegment aResult; + pTextEngine->GetTextPortionRange( aCursor, aResult.SegmentStart, aResult.SegmentEnd ); + return aResult; + } + } + + return VCLXAccessibleTextComponent::getTextAtIndex( nIndex, aTextType ); +} + + +css::accessibility::TextSegment VCLXAccessibleEdit::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) +{ + return VCLXAccessibleTextComponent::getTextBeforeIndex( nIndex, aTextType ); +} + + +css::accessibility::TextSegment VCLXAccessibleEdit::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) +{ + return VCLXAccessibleTextComponent::getTextBehindIndex( nIndex, aTextType ); +} + + +sal_Bool VCLXAccessibleEdit::copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + return VCLXAccessibleTextComponent::copyText( nStartIndex, nEndIndex ); +} + +sal_Bool VCLXAccessibleEdit::scrollSubstringTo( sal_Int32, sal_Int32, AccessibleScrollType ) +{ + return false; +} + +// XAccessibleEditableText + + +sal_Bool VCLXAccessibleEdit::cutText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + return copyText( nStartIndex, nEndIndex ) && deleteText( nStartIndex, nEndIndex ); +} + + +sal_Bool VCLXAccessibleEdit::pasteText( sal_Int32 nIndex ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + + if ( GetWindow() ) + { + Reference< datatransfer::clipboard::XClipboard > xClipboard = GetWindow()->GetClipboard(); + if ( xClipboard.is() ) + { + Reference< datatransfer::XTransferable > xDataObj; + { + SolarMutexReleaser aReleaser; + xDataObj = xClipboard->getContents(); + } + if ( xDataObj.is() ) + { + datatransfer::DataFlavor aFlavor; + SotExchange::GetFormatDataFlavor( SotClipboardFormatId::STRING, aFlavor ); + if ( xDataObj->isDataFlavorSupported( aFlavor ) ) + { + Any aData = xDataObj->getTransferData( aFlavor ); + OUString sText; + aData >>= sText; + bReturn = replaceText( nIndex, nIndex, sText ); + } + } + } + } + + return bReturn; +} + + +sal_Bool VCLXAccessibleEdit::deleteText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) +{ + return replaceText( nStartIndex, nEndIndex, OUString() ); +} + + +sal_Bool VCLXAccessibleEdit::insertText( const OUString& sText, sal_Int32 nIndex ) +{ + return replaceText( nIndex, nIndex, sText ); +} + + +sal_Bool VCLXAccessibleEdit::replaceText( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const OUString& sReplacement ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + OUString sText( implGetText() ); + + if ( !implIsValidRange( nStartIndex, nEndIndex, sText.getLength() ) ) + throw IndexOutOfBoundsException(); + + sal_Int32 nMinIndex = std::min( nStartIndex, nEndIndex ); + sal_Int32 nMaxIndex = std::max( nStartIndex, nEndIndex ); + + VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); + if ( pVCLXEdit && pVCLXEdit->isEditable() ) + { + pVCLXEdit->setText( sText.replaceAt( nMinIndex, nMaxIndex - nMinIndex, sReplacement ) ); + sal_Int32 nIndex = nMinIndex + sReplacement.getLength(); + setSelection( nIndex, nIndex ); + bReturn = true; + } + + return bReturn; +} + + +sal_Bool VCLXAccessibleEdit::setAttributes( sal_Int32 nStartIndex, sal_Int32 nEndIndex, const Sequence<PropertyValue>& ) +{ + OExternalLockGuard aGuard( this ); + + if ( !implIsValidRange( nStartIndex, nEndIndex, implGetText().getLength() ) ) + throw IndexOutOfBoundsException(); + + return false; // attributes cannot be set for an edit +} + + +sal_Bool VCLXAccessibleEdit::setText( const OUString& sText ) +{ + OExternalLockGuard aGuard( this ); + + bool bReturn = false; + + VCLXEdit* pVCLXEdit = static_cast< VCLXEdit* >( GetVCLXWindow() ); + if ( pVCLXEdit && pVCLXEdit->isEditable() ) + { + pVCLXEdit->setText( sText ); + sal_Int32 nSize = sText.getLength(); + pVCLXEdit->setSelection( awt::Selection( nSize, nSize ) ); + bReturn = true; + } + + return bReturn; +} + + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |