Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */