/* -*- 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 <sal/config.h>
#include <sal/log.hxx>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleRelationType.hpp>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/awt/FontWeight.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/lang/WrappedTargetRuntimeException.hpp>
#include <com/sun/star/i18n/Boundary.hpp>
#include <cppuhelper/exc_hlp.hxx>
#include <extended/textwindowaccessibility.hxx>
#include <comphelper/accessiblecontexthelper.hxx>
#include <comphelper/accessibleeventnotifier.hxx>
#include <o3tl/safeint.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <utility>
#include <vcl/svapp.hxx>
#include <vcl/txtattr.hxx>
#include <vcl/window.hxx>
#include <comphelper/diagnose_ex.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#include <comphelper/sequence.hxx>
#include <algorithm>
#include <memory>
#include <numeric>
#include <vector>
namespace accessibility
{
void SfxListenerGuard::startListening(::SfxBroadcaster & rNotifier)
{
assert(m_pNotifier == nullptr && "called more than once");
m_pNotifier = &rNotifier;
m_rListener.StartListening(*m_pNotifier, DuplicateHandling::Prevent);
}
void SfxListenerGuard::endListening()
{
if (m_pNotifier != nullptr)
{
m_rListener.EndListening(*m_pNotifier);
m_pNotifier = nullptr;
}
}
void WindowListenerGuard::startListening(vcl::Window & rNotifier)
{
assert(m_pNotifier == nullptr && "called more than once");
m_pNotifier = &rNotifier;
m_pNotifier->AddEventListener(m_aListener);
}
void WindowListenerGuard::endListening()
{
if (m_pNotifier)
{
m_pNotifier->RemoveEventListener(m_aListener);
m_pNotifier = nullptr;
}
}
Paragraph::Paragraph(::rtl::Reference< Document > xDocument,
Paragraphs::size_type nNumber):
ParagraphBase(m_aMutex),
m_xDocument(std::move(xDocument)),
m_nNumber(nNumber),
m_nClientId(0)
{
m_aParagraphText = m_xDocument->retrieveParagraphText(this);
}
void
Paragraph::numberChanged(bool bIncremented)
{
if (bIncremented)
++m_nNumber;
else
--m_nNumber;
}
void Paragraph::textChanged()
{
OUString aParagraphText = implGetText();
css::uno::Any aOldValue, aNewValue;
if ( implInitTextChangedEvent( m_aParagraphText, aParagraphText, aOldValue, aNewValue ) )
{
m_aParagraphText = aParagraphText;
notifyEvent(css::accessibility::AccessibleEventId::
TEXT_CHANGED,
aOldValue, aNewValue);
}
}
void Paragraph::notifyEvent(::sal_Int16 nEventId,
css::uno::Any const & rOldValue,
css::uno::Any const & rNewValue)
{
if (m_nClientId)
comphelper::AccessibleEventNotifier::addEvent( m_nClientId, css::accessibility::AccessibleEventObject(
getXWeak(),
nEventId, rNewValue, rOldValue, -1) );
}
// virtual
css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL
Paragraph::getAccessibleContext()
{
checkDisposed();
return this;
}
// virtual
sal_Int64 SAL_CALL Paragraph::getAccessibleChildCount()
{
checkDisposed();
return 0;
}
// virtual
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
Paragraph::getAccessibleChild(sal_Int64)
{
checkDisposed();
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Paragraph::getAccessibleChild"_ustr,
getXWeak());
}
// virtual
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
Paragraph::getAccessibleParent()
{
checkDisposed();
return m_xDocument->getAccessible();
}
// virtual
sal_Int64 SAL_CALL Paragraph::getAccessibleIndexInParent()
{
checkDisposed();
return m_xDocument->retrieveParagraphIndex(this);
}
// virtual
::sal_Int16 SAL_CALL Paragraph::getAccessibleRole()
{
checkDisposed();
return css::accessibility::AccessibleRole::PARAGRAPH;
}
// virtual
OUString SAL_CALL Paragraph::getAccessibleDescription()
{
checkDisposed();
return OUString();
}
// virtual
OUString SAL_CALL Paragraph::getAccessibleName()
{
checkDisposed();
return OUString();
}
// virtual
css::uno::Reference< css::accessibility::XAccessibleRelationSet >
SAL_CALL Paragraph::getAccessibleRelationSet()
{
checkDisposed();
return m_xDocument->retrieveParagraphRelationSet( this );
}
// virtual
sal_Int64 SAL_CALL Paragraph::getAccessibleStateSet()
{
checkDisposed();
// FIXME Notification of changes (STATE_CHANGED) missing when
// m_rView.IsReadOnly() changes:
return m_xDocument->retrieveParagraphState(this);
}
// virtual
css::lang::Locale SAL_CALL Paragraph::getLocale()
{
checkDisposed();
return m_xDocument->retrieveLocale();
}
// virtual
sal_Bool SAL_CALL Paragraph::containsPoint(css::awt::Point const & rPoint)
{
checkDisposed();
css::awt::Rectangle aRect(m_xDocument->retrieveParagraphBounds(this,
false));
return rPoint.X >= 0 && rPoint.X < aRect.Width
&& rPoint.Y >= 0 && rPoint.Y < aRect.Height;
}
// virtual
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
Paragraph::getAccessibleAtPoint(css::awt::Point const &)
{
checkDisposed();
return nullptr;
}
// virtual
css::awt::Rectangle SAL_CALL Paragraph::getBounds()
{
checkDisposed();
return m_xDocument->retrieveParagraphBounds(this, false);
}
// virtual
css::awt::Point SAL_CALL Paragraph::getLocation()
{
checkDisposed();
css::awt::Rectangle aRect(m_xDocument->retrieveParagraphBounds(this,
false));
return css::awt::Point(aRect.X, aRect.Y);
}
// virtual
css::awt::Point SAL_CALL Paragraph::getLocationOnScreen()
{
checkDisposed();
css::awt::Rectangle aRect(m_xDocument->retrieveParagraphBounds(this,
true));
return css::awt::Point(aRect.X, aRect.Y);
}
// virtual
css::awt::Size SAL_CALL Paragraph::getSize()
{
checkDisposed();
css::awt::Rectangle aRect(m_xDocument->retrieveParagraphBounds(this,
false));
return css::awt::Size(aRect.Width, aRect.Height);
}
// virtual
void SAL_CALL Paragraph::grabFocus()
{
checkDisposed();
VclPtr<vcl::Window> pWindow = m_xDocument->GetWindow();
if ( pWindow )
{
pWindow->GrabFocus();
}
try
{
m_xDocument->changeParagraphSelection(this, 0, 0);
}
catch (const css::lang::IndexOutOfBoundsException &)
{
TOOLS_INFO_EXCEPTION("accessibility", "Paragraph::grabFocus: caught unexpected");
}
}
// virtual
sal_Int32 SAL_CALL Paragraph::getForeground()
{
return 0; // TODO
}
// virtual
sal_Int32 SAL_CALL Paragraph::getBackground()
{
return 0; // TODO
}
// virtual
::sal_Int32 SAL_CALL Paragraph::getCaretPosition()
{
checkDisposed();
return m_xDocument->retrieveParagraphCaretPosition(this);
}
// virtual
sal_Bool SAL_CALL Paragraph::setCaretPosition(::sal_Int32 nIndex)
{
checkDisposed();
m_xDocument->changeParagraphSelection(this, nIndex, nIndex);
return true;
}
// virtual
::sal_Unicode SAL_CALL Paragraph::getCharacter(::sal_Int32 nIndex)
{
checkDisposed();
return OCommonAccessibleText::implGetCharacter(implGetText(), nIndex);
}
// virtual
css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
Paragraph::getCharacterAttributes(::sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes)
{
checkDisposed();
return m_xDocument->retrieveCharacterAttributes( this, nIndex, aRequestedAttributes );
}
// virtual
css::awt::Rectangle SAL_CALL
Paragraph::getCharacterBounds(::sal_Int32 nIndex)
{
checkDisposed();
css::awt::Rectangle aBounds(m_xDocument->retrieveCharacterBounds(this, nIndex));
css::awt::Rectangle aParaBounds(m_xDocument->retrieveParagraphBounds(this, false));
aBounds.X -= aParaBounds.X;
aBounds.Y -= aParaBounds.Y;
return aBounds;
}
// virtual
::sal_Int32 SAL_CALL Paragraph::getCharacterCount()
{
checkDisposed();
return implGetText().getLength();
}
// virtual
::sal_Int32 SAL_CALL
Paragraph::getIndexAtPoint(css::awt::Point const & rPoint)
{
checkDisposed();
css::awt::Point aPoint(rPoint);
css::awt::Rectangle aParaBounds(m_xDocument->retrieveParagraphBounds(this, false));
aPoint.X += aParaBounds.X;
aPoint.Y += aParaBounds.Y;
return m_xDocument->retrieveCharacterIndex(this, aPoint);
}
// virtual
OUString SAL_CALL Paragraph::getSelectedText()
{
checkDisposed();
return OCommonAccessibleText::getSelectedText();
}
// virtual
::sal_Int32 SAL_CALL Paragraph::getSelectionStart()
{
checkDisposed();
return OCommonAccessibleText::getSelectionStart();
}
// virtual
::sal_Int32 SAL_CALL Paragraph::getSelectionEnd()
{
checkDisposed();
return OCommonAccessibleText::getSelectionEnd();
}
// virtual
sal_Bool SAL_CALL Paragraph::setSelection(::sal_Int32 nStartIndex,
::sal_Int32 nEndIndex)
{
checkDisposed();
m_xDocument->changeParagraphSelection(this, nStartIndex, nEndIndex);
return true;
}
// virtual
OUString SAL_CALL Paragraph::getText()
{
checkDisposed();
return implGetText();
}
// virtual
OUString SAL_CALL Paragraph::getTextRange(::sal_Int32 nStartIndex,
::sal_Int32 nEndIndex)
{
checkDisposed();
return OCommonAccessibleText::implGetTextRange(implGetText(), nStartIndex, nEndIndex);
}
// virtual
css::accessibility::TextSegment SAL_CALL Paragraph::getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
checkDisposed();
return OCommonAccessibleText::getTextAtIndex(nIndex, aTextType);
}
// virtual
css::accessibility::TextSegment SAL_CALL Paragraph::getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
checkDisposed();
return OCommonAccessibleText::getTextBeforeIndex(nIndex, aTextType);
}
// virtual
css::accessibility::TextSegment SAL_CALL Paragraph::getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType )
{
checkDisposed();
return OCommonAccessibleText::getTextBehindIndex(nIndex, aTextType);
}
// virtual
sal_Bool SAL_CALL Paragraph::copyText(::sal_Int32 nStartIndex,
::sal_Int32 nEndIndex)
{
checkDisposed();
m_xDocument->copyParagraphText(this, nStartIndex, nEndIndex);
return true;
}
// virtual
sal_Bool SAL_CALL Paragraph::scrollSubstringTo( sal_Int32, sal_Int32, css::accessibility::AccessibleScrollType )
{
return false;
}
// virtual
sal_Bool SAL_CALL Paragraph::cutText(::sal_Int32 nStartIndex,
::sal_Int32 nEndIndex)
{
checkDisposed();
m_xDocument->changeParagraphText(this, nStartIndex, nEndIndex, true, false,
OUString());
return true;
}
// virtual
sal_Bool SAL_CALL Paragraph::pasteText(::sal_Int32 nIndex)
{
checkDisposed();
m_xDocument->changeParagraphText(this, nIndex, nIndex, false, true,
OUString());
return true;
}
// virtual
sal_Bool SAL_CALL Paragraph::deleteText(::sal_Int32 nStartIndex,
::sal_Int32 nEndIndex)
{
checkDisposed();
m_xDocument->changeParagraphText(this, nStartIndex, nEndIndex, false, false,
OUString());
return true;
}
// virtual
sal_Bool SAL_CALL Paragraph::insertText(OUString const & rText,
::sal_Int32 nIndex)
{
checkDisposed();
m_xDocument->changeParagraphText(this, nIndex, nIndex, false, false, rText);
return true;
}
// virtual
sal_Bool SAL_CALL
Paragraph::replaceText(::sal_Int32 nStartIndex, ::sal_Int32 nEndIndex,
OUString const & rReplacement)
{
checkDisposed();
m_xDocument->changeParagraphText(this, nStartIndex, nEndIndex, false, false,
rReplacement);
return true;
}
// virtual
sal_Bool SAL_CALL Paragraph::setAttributes(
::sal_Int32 nStartIndex, ::sal_Int32 nEndIndex,
css::uno::Sequence< css::beans::PropertyValue > const & rAttributeSet)
{
checkDisposed();
m_xDocument->changeParagraphAttributes(this, nStartIndex, nEndIndex,
rAttributeSet);
return true;
}
// virtual
sal_Bool SAL_CALL Paragraph::setText(OUString const & rText)
{
checkDisposed();
m_xDocument->changeParagraphText(this, rText);
return true;
}
// virtual
css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
Paragraph::getDefaultAttributes(const css::uno::Sequence< OUString >&)
{
checkDisposed();
return {}; // default attributes are not supported by text engine
}
// virtual
css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
Paragraph::getRunAttributes(::sal_Int32 Index, const css::uno::Sequence< OUString >& RequestedAttributes)
{
checkDisposed();
return m_xDocument->retrieveRunAttributes( this, Index, RequestedAttributes );
}
// virtual
::sal_Int32 SAL_CALL Paragraph::getLineNumberAtIndex( ::sal_Int32 nIndex )
{
checkDisposed();
::sal_Int32 nLineNo = -1;
m_xDocument->retrieveParagraphLineBoundary( this, nIndex, &nLineNo );
return nLineNo;
}
// virtual
css::accessibility::TextSegment SAL_CALL Paragraph::getTextAtLineNumber( ::sal_Int32 nLineNo )
{
checkDisposed();
css::i18n::Boundary aBoundary =
m_xDocument->retrieveParagraphBoundaryOfLine( this, nLineNo );
return css::accessibility::TextSegment( getTextRange(aBoundary.startPos, aBoundary.endPos),
aBoundary.startPos, aBoundary.endPos);
}
// virtual
css::accessibility::TextSegment SAL_CALL Paragraph::getTextAtLineWithCaret( )
{
checkDisposed();
sal_Int32 nLineNo = getNumberOfLineWithCaret();
try {
return ( nLineNo >= 0 ) ?
getTextAtLineNumber( nLineNo ) :
css::accessibility::TextSegment();
} catch (const css::lang::IndexOutOfBoundsException&) {
css::uno::Any anyEx = cppu::getCaughtException();
throw css::lang::WrappedTargetRuntimeException(
u"textwindowaccessibility.cxx:"
" Paragraph::getTextAtLineWithCaret"_ustr,
getXWeak(), anyEx );
}
}
// virtual
::sal_Int32 SAL_CALL Paragraph::getNumberOfLineWithCaret( )
{
checkDisposed();
return m_xDocument->retrieveParagraphLineWithCursor(this);
}
// virtual
void SAL_CALL Paragraph::addAccessibleEventListener(
css::uno::Reference<
css::accessibility::XAccessibleEventListener > const & rListener)
{
if (!rListener.is())
return;
::osl::ClearableMutexGuard aGuard(rBHelper.rMutex);
if (rBHelper.bDisposed || rBHelper.bInDispose)
{
aGuard.clear();
rListener->disposing(css::lang::EventObject(
getXWeak()));
}
else
{
if (!m_nClientId)
m_nClientId = comphelper::AccessibleEventNotifier::registerClient( );
comphelper::AccessibleEventNotifier::addEventListener( m_nClientId, rListener );
}
}
// virtual
void SAL_CALL Paragraph::removeAccessibleEventListener(
css::uno::Reference<
css::accessibility::XAccessibleEventListener > const & rListener)
{
comphelper::AccessibleEventNotifier::TClientId nId = 0;
{
osl::MutexGuard aGuard(rBHelper.rMutex);
if (rListener.is() && m_nClientId != 0
&& comphelper::AccessibleEventNotifier::removeEventListener( m_nClientId, rListener ) == 0)
{
nId = m_nClientId;
m_nClientId = 0;
}
}
if (nId != 0)
{
// no listeners anymore
// -> revoke ourself. This may lead to the notifier thread dying (if we were the last client),
// and at least to us not firing any events anymore, in case somebody calls
// NotifyAccessibleEvent, again
comphelper::AccessibleEventNotifier::revokeClient(nId);
}
}
// virtual
void SAL_CALL Paragraph::disposing()
{
comphelper::AccessibleEventNotifier::TClientId nId = 0;
{
osl::MutexGuard aGuard(rBHelper.rMutex);
nId = m_nClientId;
m_nClientId = 0;
}
if (nId != 0)
comphelper::AccessibleEventNotifier::revokeClientNotifyDisposing(nId, *this);
}
// virtual
OUString Paragraph::implGetText()
{
return m_xDocument->retrieveParagraphText(this);
}
// virtual
css::lang::Locale Paragraph::implGetLocale()
{
return m_xDocument->retrieveLocale();
}
// virtual
void Paragraph::implGetSelection(::sal_Int32 & rStartIndex,
::sal_Int32 & rEndIndex)
{
m_xDocument->retrieveParagraphSelection(this, &rStartIndex, &rEndIndex);
}
// virtual
void Paragraph::implGetParagraphBoundary( const OUString& rText,
css::i18n::Boundary& rBoundary,
::sal_Int32 nIndex )
{
::sal_Int32 nLength = rText.getLength();
if ( implIsValidIndex( nIndex, nLength ) )
{
rBoundary.startPos = 0;
rBoundary.endPos = nLength;
}
else
{
rBoundary.startPos = nIndex;
rBoundary.endPos = nIndex;
}
}
// virtual
void Paragraph::implGetLineBoundary( const OUString& rText,
css::i18n::Boundary& rBoundary,
::sal_Int32 nIndex )
{
::sal_Int32 nLength = rText.getLength();
if ( implIsValidIndex( nIndex, nLength ) || nIndex == nLength )
{
css::i18n::Boundary aBoundary =
m_xDocument->retrieveParagraphLineBoundary( this, nIndex, nullptr );
rBoundary.startPos = aBoundary.startPos;
rBoundary.endPos = aBoundary.endPos;
}
else
{
rBoundary.startPos = nIndex;
rBoundary.endPos = nIndex;
}
}
void Paragraph::checkDisposed()
{
::osl::MutexGuard aGuard(rBHelper.rMutex);
if (!(rBHelper.bDisposed || rBHelper.bInDispose))
return;
throw css::lang::DisposedException(
OUString(), getXWeak());
}
Document::Document(::VCLXWindow * pVclXWindow, ::TextEngine & rEngine,
::TextView & rView):
VCLXAccessibleComponent(pVclXWindow),
m_xAccessible(pVclXWindow),
m_rEngine(rEngine),
m_rView(rView),
m_aEngineListener(*this),
m_aViewListener(LINK(this, Document, WindowEventHandler)),
m_nVisibleBeginOffset(0),
m_nSelectionFirstPara(-1),
m_nSelectionFirstPos(-1),
m_nSelectionLastPara(-1),
m_nSelectionLastPos(-1),
m_bSelectionChangedNotification(false)
{
const sal_uInt32 nCount = m_rEngine.GetParagraphCount();
m_aParagraphs.reserve(nCount);
for (sal_uInt32 i = 0; i < nCount; ++i)
m_aParagraphs.emplace_back(m_rEngine.GetTextHeight(i));
m_nViewOffset = static_cast<::sal_Int32>(m_rView.GetStartDocPos().Y()); // XXX numeric overflow
m_nViewHeight = static_cast<::sal_Int32>(m_rView.GetWindow()->GetOutputSizePixel().Height());
// XXX numeric overflow
determineVisibleRange();
m_nFocused = m_aParagraphs.size();
m_aEngineListener.startListening(m_rEngine);
m_aViewListener.startListening(*m_rView.GetWindow());
}
css::lang::Locale Document::retrieveLocale()
{
SolarMutexGuard aGuard;
return m_rEngine.GetLocale();
}
::sal_Int32 Document::retrieveParagraphIndex(Paragraph const * pParagraph)
{
::osl::MutexGuard aInternalGuard(GetMutex());
// If a client holds on to a Paragraph that is no longer visible, it can
// happen that this Paragraph lies outside the range from m_aVisibleBegin
// to m_aVisibleEnd. In that case, return -1 instead of a valid index:
auto nPara(pParagraph->getNumber());
return nPara < m_nVisibleBegin || nPara >= m_nVisibleEnd
? -1 : static_cast< ::sal_Int32 >(nPara - m_nVisibleBegin);
// XXX numeric overflow
}
::sal_Int64 Document::retrieveParagraphState(Paragraph const * pParagraph)
{
::osl::MutexGuard aInternalGuard(GetMutex());
// If a client holds on to a Paragraph that is no longer visible, it can
// happen that this Paragraph lies outside the range from m_aVisibleBegin
// to m_aVisibleEnd. In that case, it is neither VISIBLE nor SHOWING:
::sal_Int64 nState
= css::accessibility::AccessibleStateType::ENABLED
| css::accessibility::AccessibleStateType::SENSITIVE
| css::accessibility::AccessibleStateType::FOCUSABLE
| css::accessibility::AccessibleStateType::MULTI_LINE;
if (!m_rView.IsReadOnly())
nState |= css::accessibility::AccessibleStateType::EDITABLE;
auto nPara(pParagraph->getNumber());
if (nPara >= m_nVisibleBegin && nPara < m_nVisibleEnd)
{
nState
|= css::accessibility::AccessibleStateType::VISIBLE
| css::accessibility::AccessibleStateType::SHOWING;
if (nPara == m_nFocused)
nState |= css::accessibility::AccessibleStateType::FOCUSED;
}
return nState;
};
css::awt::Rectangle
Document::retrieveParagraphBounds(Paragraph const * pParagraph,
bool bAbsolute)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
// If a client holds on to a Paragraph that is no longer visible (as it
// scrolled out the top of the view), it can happen that this Paragraph
// lies before m_aVisibleBegin. In that case, calculate the vertical
// position of the Paragraph starting at paragraph 0, otherwise optimize
// and start at m_aVisibleBegin:
auto nPara(pParagraph->getNumber());
auto lAddHeight = [](const sal_Int32& rSum, const ParagraphInfo& rParagraph) {
return rSum + rParagraph.getHeight(); };
::sal_Int32 nPos;
if (nPara < m_nVisibleBegin)
nPos = std::accumulate(m_aParagraphs.begin(), getIter(nPara), sal_Int32(0), lAddHeight);
else
nPos = std::accumulate(visibleBegin(), getIter(nPara), m_nViewOffset - m_nVisibleBeginOffset, lAddHeight);
Point aOrig(0, 0);
if (bAbsolute)
aOrig = Point(m_rView.GetWindow()->OutputToAbsoluteScreenPixel(aOrig));
return css::awt::Rectangle(
static_cast< ::sal_Int32 >(aOrig.X()),
static_cast< ::sal_Int32 >(aOrig.Y()) + nPos - m_nViewOffset,
m_rView.GetWindow()->GetOutputSizePixel().Width(), getIter(nPara)->getHeight());
// XXX numeric overflow (3x)
}
OUString
Document::retrieveParagraphText(Paragraph const * pParagraph)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
return m_rEngine.GetText(static_cast< ::sal_uInt32 >(pParagraph->getNumber()));
// numeric overflow cannot happen here
}
void Document::retrieveParagraphSelection(Paragraph const * pParagraph,
::sal_Int32 * pBegin,
::sal_Int32 * pEnd)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
::TextSelection const & rSelection = m_rView.GetSelection();
Paragraphs::size_type nNumber = pParagraph->getNumber();
TextPaM aStartPaM( rSelection.GetStart() );
TextPaM aEndPaM( rSelection.GetEnd() );
TextPaM aMinPaM( std::min( aStartPaM, aEndPaM ) );
TextPaM aMaxPaM( std::max( aStartPaM, aEndPaM ) );
if ( nNumber >= aMinPaM.GetPara() && nNumber <= aMaxPaM.GetPara() )
{
*pBegin = nNumber > aMinPaM.GetPara() ? 0 : aMinPaM.GetIndex();
// XXX numeric overflow
*pEnd = nNumber < aMaxPaM.GetPara()
? m_rEngine.GetText(static_cast< ::sal_uInt32 >(nNumber)).getLength()
: aMaxPaM.GetIndex();
// XXX numeric overflow (3x)
if ( aStartPaM > aEndPaM )
std::swap( *pBegin, *pEnd );
}
else
{
*pBegin = 0;
*pEnd = 0;
}
}
::sal_Int32 Document::retrieveParagraphCaretPosition(Paragraph const * pParagraph)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
::TextSelection const & rSelection = m_rView.GetSelection();
Paragraphs::size_type nNumber = pParagraph->getNumber();
TextPaM aEndPaM( rSelection.GetEnd() );
return aEndPaM.GetPara() == nNumber ? aEndPaM.GetIndex() : -1;
}
css::awt::Rectangle
Document::retrieveCharacterBounds(Paragraph const * pParagraph,
::sal_Int32 nIndex)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
sal_Int32 nLength = m_rEngine.GetText(nNumber).getLength();
// XXX numeric overflow
if (nIndex < 0 || nIndex > nLength)
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::retrieveCharacterAttributes"_ustr,
getXWeak());
css::awt::Rectangle aBounds( 0, 0, 0, 0 );
if ( nIndex == nLength )
{
aBounds
= VCLUnoHelper::ConvertToAWTRect(m_rEngine.PaMtoEditCursor(::TextPaM(nNumber, nIndex)));
}
else
{
::tools::Rectangle aLeft(
m_rEngine.PaMtoEditCursor(::TextPaM(nNumber, nIndex)));
// XXX numeric overflow
::tools::Rectangle aRight(
m_rEngine.PaMtoEditCursor(::TextPaM(nNumber, nIndex + 1)));
// XXX numeric overflow (2x)
// FIXME If the vertical extends of the two cursors do not match, assume
// nIndex is the last character on the line; the bounding box will then
// extend to m_rEngine.GetMaxTextWidth():
::sal_Int32 nWidth = (aLeft.Top() == aRight.Top()
&& aLeft.Bottom() == aRight.Bottom())
? static_cast< ::sal_Int32 >(aRight.Left() - aLeft.Left())
: static_cast< ::sal_Int32 >(m_rEngine.GetMaxTextWidth()
- aLeft.Left());
// XXX numeric overflow (4x)
aBounds = css::awt::Rectangle(static_cast< ::sal_Int32 >(aLeft.Left()),
static_cast< ::sal_Int32 >(aLeft.Top() - m_nViewOffset),
nWidth,
static_cast< ::sal_Int32 >(aLeft.Bottom()
- aLeft.Top()));
// XXX numeric overflow (4x)
}
return aBounds;
}
::sal_Int32 Document::retrieveCharacterIndex(Paragraph const * pParagraph,
css::awt::Point const & rPoint)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
::TextPaM aPaM(m_rEngine.GetPaM(::Point(static_cast< tools::Long >(rPoint.X),
static_cast< tools::Long >(rPoint.Y))));
// XXX numeric overflow (2x)
return aPaM.GetPara() == nNumber ? aPaM.GetIndex() : -1;
// XXX numeric overflow
}
css::uno::Sequence< css::beans::PropertyValue >
Document::retrieveCharacterAttributes(
Paragraph const * pParagraph, ::sal_Int32 nIndex,
const css::uno::Sequence< OUString >& aRequestedAttributes)
{
SolarMutexGuard aGuard;
vcl::Font aFont = m_rEngine.GetFont();
const sal_Int32 AttributeCount = 9;
std::vector< css::beans::PropertyValue > aAttribs;
aAttribs.reserve(AttributeCount);
css::beans::PropertyValue aAttrib;
aAttrib.Handle = -1;
aAttrib.State = css::beans::PropertyState_DIRECT_VALUE;
//character background color
aAttrib.Name = "CharBackColor";
aAttrib.Value = mapFontColor( aFont.GetFillColor() );
aAttribs.push_back(aAttrib);
//character color
aAttrib.Name = "CharColor";
//aAttrib.Value = mapFontColor( aFont.GetColor() );
aAttrib.Value = mapFontColor( m_rEngine.GetTextColor() );
aAttribs.push_back(aAttrib);
//character font name
aAttrib.Name = "CharFontName";
aAttrib.Value <<= aFont.GetFamilyName();
aAttribs.push_back(aAttrib);
//character height
aAttrib.Name = "CharHeight";
aAttrib.Value <<= static_cast<sal_Int16>(aFont.GetFontHeight());
aAttribs.push_back(aAttrib);
//character posture
aAttrib.Name = "CharPosture";
aAttrib.Value <<= static_cast<sal_Int16>(aFont.GetItalic());
aAttribs.push_back(aAttrib);
//character relief
/*
aAttrib.Name = "CharRelief";
aAttrib.Value = css::uno::Any( (sal_Int16)aFont.GetRelief() );
aAttribs.push_back(aAttrib);
*/
//character strikeout
aAttrib.Name = "CharStrikeout";
aAttrib.Value <<= static_cast<sal_Int16>(aFont.GetStrikeout());
aAttribs.push_back(aAttrib);
//character underline
aAttrib.Name = "CharUnderline";
aAttrib.Value <<= static_cast<sal_Int16>(aFont.GetUnderline());
aAttribs.push_back(aAttrib);
//character weight
aAttrib.Name = "CharWeight";
aAttrib.Value <<= static_cast<float>(aFont.GetWeight());
aAttribs.push_back(aAttrib);
//character alignment
aAttrib.Name = "ParaAdjust";
aAttrib.Value <<= static_cast<sal_Int16>(m_rEngine.GetTextAlign());
aAttribs.push_back(aAttrib);
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
// nIndex can be equal to getLength();
if (nIndex < 0 || nIndex > m_rEngine.GetText(nNumber).getLength())
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::retrieveCharacterAttributes"_ustr,
getXWeak());
// retrieve run attributes
tPropValMap aCharAttrSeq;
retrieveRunAttributesImpl( pParagraph, nIndex, aRequestedAttributes, aCharAttrSeq );
for (const css::beans::PropertyValue& rAttrib : aAttribs)
{
aCharAttrSeq[ rAttrib.Name ] = rAttrib;
}
const css::uno::Sequence< css::beans::PropertyValue > aRes = comphelper::mapValuesToSequence( aCharAttrSeq );
// sort the attributes
auto nLength = static_cast<size_t>(aRes.getLength());
std::vector<sal_Int32> pIndices(nLength);
std::iota(pIndices.begin(), pIndices.end(), 0);
std::sort(pIndices.begin(), pIndices.end(),
[&aRes](sal_Int32 a, sal_Int32 b) { return aRes[a].Name < aRes[b].Name; });
// create sorted sequences according to index array
std::vector<css::beans::PropertyValue> aNewValues;
aNewValues.reserve(nLength);
std::transform(pIndices.begin(), pIndices.end(), std::back_inserter(aNewValues),
[&aRes](const sal_Int32 nIdx) -> const css::beans::PropertyValue& { return aRes[nIdx]; });
return comphelper::containerToSequence(aNewValues);
}
void Document::retrieveRunAttributesImpl(
Paragraph const * pParagraph, ::sal_Int32 Index,
const css::uno::Sequence< OUString >& RequestedAttributes,
tPropValMap& rRunAttrSeq)
{
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >( pParagraph->getNumber() );
::TextPaM aPaM( nNumber, Index );
// XXX numeric overflow
::TextAttribFontColor const * pColor
= static_cast< ::TextAttribFontColor const * >(
m_rEngine.FindAttrib( aPaM, TEXTATTR_FONTCOLOR ) );
::TextAttribFontWeight const * pWeight
= static_cast< ::TextAttribFontWeight const * >(
m_rEngine.FindAttrib( aPaM, TEXTATTR_FONTWEIGHT ) );
tPropValMap aRunAttrSeq;
if ( pColor )
{
css::beans::PropertyValue aPropVal;
aPropVal.Name = "CharColor";
aPropVal.Handle = -1;
aPropVal.Value = mapFontColor( pColor->GetColor() );
aPropVal.State = css::beans::PropertyState_DIRECT_VALUE;
aRunAttrSeq[ aPropVal.Name ] = aPropVal;
}
if ( pWeight )
{
css::beans::PropertyValue aPropVal;
aPropVal.Name = "CharWeight";
aPropVal.Handle = -1;
aPropVal.Value = mapFontWeight( pWeight->getFontWeight() );
aPropVal.State = css::beans::PropertyState_DIRECT_VALUE;
aRunAttrSeq[ aPropVal.Name ] = aPropVal;
}
if ( !RequestedAttributes.hasElements() )
{
rRunAttrSeq = std::move(aRunAttrSeq);
}
else
{
for ( const OUString& rReqAttr : RequestedAttributes )
{
tPropValMap::iterator aIter = aRunAttrSeq.find( rReqAttr );
if ( aIter != aRunAttrSeq.end() )
{
rRunAttrSeq[ (*aIter).first ] = (*aIter).second;
}
}
}
}
css::uno::Sequence< css::beans::PropertyValue >
Document::retrieveRunAttributes(
Paragraph const * pParagraph, ::sal_Int32 Index,
const css::uno::Sequence< OUString >& RequestedAttributes)
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard( GetMutex() );
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >( pParagraph->getNumber() );
// XXX numeric overflow
if ( Index < 0 || Index >= m_rEngine.GetText(nNumber).getLength() )
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::retrieveRunAttributes"_ustr,
getXWeak() );
tPropValMap aRunAttrSeq;
retrieveRunAttributesImpl( pParagraph, Index, RequestedAttributes, aRunAttrSeq );
return comphelper::mapValuesToSequence( aRunAttrSeq );
}
void Document::changeParagraphText(Paragraph const * pParagraph,
OUString const & rText)
{
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
changeParagraphText(nNumber, 0, m_rEngine.GetTextLen(nNumber), false,
false, rText);
}
}
void Document::changeParagraphText(Paragraph const * pParagraph,
::sal_Int32 nBegin, ::sal_Int32 nEnd,
bool bCut, bool bPaste,
OUString const & rText)
{
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
if (nBegin < 0 || nBegin > nEnd
|| nEnd > m_rEngine.GetText(nNumber).getLength())
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::changeParagraphText"_ustr,
getXWeak());
changeParagraphText(nNumber, static_cast< ::sal_uInt16 >(nBegin),
static_cast< ::sal_uInt16 >(nEnd), bCut, bPaste, rText);
// XXX numeric overflow (2x)
}
}
void Document::copyParagraphText(Paragraph const * pParagraph,
::sal_Int32 nBegin, ::sal_Int32 nEnd)
{
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
if (nBegin < 0 || nBegin > nEnd
|| nEnd > m_rEngine.GetText(nNumber).getLength())
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::copyParagraphText"_ustr,
getXWeak());
m_rView.SetSelection(
::TextSelection(::TextPaM(nNumber, nBegin),
::TextPaM(nNumber, nEnd)));
// XXX numeric overflow (2x)
m_rView.Copy();
}
}
void Document::changeParagraphAttributes(
Paragraph const * pParagraph, ::sal_Int32 nBegin, ::sal_Int32 nEnd,
css::uno::Sequence< css::beans::PropertyValue > const & rAttributeSet)
{
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
if (nBegin < 0 || nBegin > nEnd
|| nEnd > m_rEngine.GetText(nNumber).getLength())
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::changeParagraphAttributes"_ustr,
getXWeak());
// FIXME The new attributes are added to any attributes already set,
// they do not replace the old attributes as required by
// XAccessibleEditableText.setAttributes:
for (const auto& rAttr : rAttributeSet)
if ( rAttr.Name == "CharColor" )
m_rEngine.SetAttrib(::TextAttribFontColor(
mapFontColor(rAttr.Value)),
nNumber, nBegin, nEnd);
// XXX numeric overflow (2x)
else if ( rAttr.Name == "CharWeight" )
m_rEngine.SetAttrib(::TextAttribFontWeight(
mapFontWeight(rAttr.Value)),
nNumber, nBegin, nEnd);
// XXX numeric overflow (2x)
}
}
void Document::changeParagraphSelection(Paragraph const * pParagraph,
::sal_Int32 nBegin, ::sal_Int32 nEnd)
{
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard(GetMutex());
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >(pParagraph->getNumber());
// XXX numeric overflow
if (nBegin < 0 || nBegin > nEnd
|| nEnd > m_rEngine.GetText(nNumber).getLength())
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::changeParagraphSelection"_ustr,
getXWeak());
m_rView.SetSelection(
::TextSelection(::TextPaM(nNumber, nBegin),
::TextPaM(nNumber, nEnd)));
// XXX numeric overflow (2x)
}
}
css::i18n::Boundary
Document::retrieveParagraphLineBoundary( Paragraph const * pParagraph,
::sal_Int32 nIndex, ::sal_Int32 *pLineNo )
{
css::i18n::Boundary aBoundary;
aBoundary.startPos = nIndex;
aBoundary.endPos = nIndex;
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard( GetMutex() );
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >( pParagraph->getNumber() );
if ( nIndex < 0 || nIndex > m_rEngine.GetText( nNumber ).getLength() )
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::retrieveParagraphLineBoundary"_ustr,
getXWeak() );
::sal_Int32 nLineStart = 0;
::sal_Int32 nLineEnd = 0;
::sal_uInt16 nLineCount = m_rEngine.GetLineCount( nNumber );
for ( ::sal_uInt16 nLine = 0; nLine < nLineCount; ++nLine )
{
nLineStart = nLineEnd;
nLineEnd += m_rEngine.GetLineLen( nNumber, nLine );
if ( nIndex >= nLineStart && ( ( nLine == nLineCount - 1 ) ? nIndex <= nLineEnd : nIndex < nLineEnd ) )
{
aBoundary.startPos = nLineStart;
aBoundary.endPos = nLineEnd;
if( pLineNo )
pLineNo[0] = nLine;
break;
}
}
}
return aBoundary;
}
css::i18n::Boundary
Document::retrieveParagraphBoundaryOfLine( Paragraph const * pParagraph,
::sal_Int32 nLineNo )
{
css::i18n::Boundary aBoundary;
aBoundary.startPos = 0;
aBoundary.endPos = 0;
SolarMutexGuard aGuard;
{
::osl::MutexGuard aInternalGuard( GetMutex() );
::sal_uInt32 nNumber = static_cast< ::sal_uInt32 >( pParagraph->getNumber() );
if ( nLineNo >= m_rEngine.GetLineCount( nNumber ) )
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::retrieveParagraphBoundaryOfLine"_ustr,
getXWeak() );
::sal_Int32 nLineStart = 0;
::sal_Int32 nLineEnd = 0;
for ( ::sal_Int32 nLine = 0; nLine <= nLineNo; ++nLine )
{
nLineStart = nLineEnd;
nLineEnd += m_rEngine.GetLineLen( nNumber, nLine );
}
aBoundary.startPos = nLineStart;
aBoundary.endPos = nLineEnd;
}
return aBoundary;
}
sal_Int32 Document::retrieveParagraphLineWithCursor( Paragraph const * pParagraph )
{
SolarMutexGuard aGuard;
::osl::MutexGuard aInternalGuard(GetMutex());
::TextSelection const & rSelection = m_rView.GetSelection();
Paragraphs::size_type nNumber = pParagraph->getNumber();
TextPaM aEndPaM( rSelection.GetEnd() );
return aEndPaM.GetPara() == nNumber
? m_rView.GetLineNumberOfCursorInSelection() : -1;
}
css::uno::Reference< css::accessibility::XAccessibleRelationSet >
Document::retrieveParagraphRelationSet( Paragraph const * pParagraph )
{
::osl::MutexGuard aInternalGuard( GetMutex() );
rtl::Reference<::utl::AccessibleRelationSetHelper> pRelationSetHelper = new ::utl::AccessibleRelationSetHelper();
auto nPara(pParagraph->getNumber());
if (nPara > m_nVisibleBegin && nPara < m_nVisibleEnd)
{
css::uno::Sequence<css::uno::Reference<css::accessibility::XAccessible>> aSequence { getAccessibleChild(getIter(nPara - 1)) };
css::accessibility::AccessibleRelation aRelation(css::accessibility::AccessibleRelationType_CONTENT_FLOWS_FROM, aSequence);
pRelationSetHelper->AddRelation( aRelation );
}
if (nPara >= m_nVisibleBegin && m_nVisibleEnd > 1 && nPara < m_nVisibleEnd - 1)
{
css::uno::Sequence<css::uno::Reference<css::accessibility::XAccessible>> aSequence { getAccessibleChild(getIter(nPara + 1)) };
css::accessibility::AccessibleRelation aRelation( css::accessibility::AccessibleRelationType_CONTENT_FLOWS_TO, aSequence );
pRelationSetHelper->AddRelation( aRelation );
}
return pRelationSetHelper;
}
// virtual
sal_Int64 SAL_CALL Document::getAccessibleChildCount()
{
::comphelper::OExternalLockGuard aGuard(this);
return m_nVisibleEnd - m_nVisibleBegin;
}
// virtual
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
Document::getAccessibleChild(sal_Int64 i)
{
::comphelper::OExternalLockGuard aGuard(this);
if (i < 0 || o3tl::make_unsigned(i) >= m_nVisibleEnd - m_nVisibleBegin)
throw css::lang::IndexOutOfBoundsException(
u"textwindowaccessibility.cxx:"
" Document::getAccessibleChild"_ustr,
getXWeak());
return getAccessibleChild(getIter(m_nVisibleBegin + i));
}
// virtual
::sal_Int16 SAL_CALL Document::getAccessibleRole()
{
return css::accessibility::AccessibleRole::TEXT_FRAME;
}
// virtual
css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
Document::getAccessibleAtPoint(css::awt::Point const & rPoint)
{
::comphelper::OExternalLockGuard aGuard(this);
if (rPoint.X >= 0
&& rPoint.X < m_rView.GetWindow()->GetOutputSizePixel().Width()
&& rPoint.Y >= 0 && rPoint.Y < m_nViewHeight)
{
::sal_Int32 nOffset = m_nViewOffset + rPoint.Y; // XXX numeric overflow
::sal_Int32 nPos = m_nViewOffset - m_nVisibleBeginOffset;
for (Paragraphs::iterator aIt(visibleBegin()), aEnd(visibleEnd()); aIt != aEnd; ++aIt)
{
nPos += aIt->getHeight(); // XXX numeric overflow
if (nOffset < nPos)
return getAccessibleChild(aIt);
}
}
return nullptr;
}
void Document::FillAccessibleStateSet( sal_Int64& rStateSet )
{
VCLXAccessibleComponent::FillAccessibleStateSet( rStateSet );
if (!m_rView.IsReadOnly())
rStateSet |= css::accessibility::AccessibleStateType::EDITABLE;
}
void Document::FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet )
{
if( getAccessibleParent()->getAccessibleContext()->getAccessibleRole() == css::accessibility::AccessibleRole::SCROLL_PANE )
{
css::uno::Sequence<css::uno::Reference<css::accessibility::XAccessible>> aSequence { getAccessibleParent() };
rRelationSet.AddRelation( css::accessibility::AccessibleRelation( css::accessibility::AccessibleRelationType_MEMBER_OF, aSequence ) );
}
else
{
VCLXAccessibleComponent::FillAccessibleRelationSet(rRelationSet);
}
}
// virtual
void SAL_CALL Document::disposing()
{
m_aEngineListener.endListening();
m_aViewListener.endListening();
disposeParagraphs();
VCLXAccessibleComponent::disposing();
}
// virtual
void Document::Notify(::SfxBroadcaster &, ::SfxHint const & rHint)
{
switch (rHint.GetId())
{
case SfxHintId::TextParaInserted:
case SfxHintId::TextParaRemoved:
// SfxHintId::TextParaInserted and SfxHintId::TextParaRemoved are sent at
// "unsafe" times (when the text engine has not yet re-formatted its
// content), so that for example calling ::TextEngine::GetTextHeight
// from within the code that handles SfxHintId::TextParaInserted causes
// trouble within the text engine. Therefore, these hints are just
// buffered until a following ::TextEngine::FormatDoc causes a
// SfxHintId::TextFormatted to come in:
case SfxHintId::TextFormatPara:
// ::TextEngine::FormatDoc sends a sequence of
// SfxHintId::TextFormatParas, followed by an optional
// SfxHintId::TextHeightChanged, followed in all cases by one
// SfxHintId::TextFormatted. Only the SfxHintId::TextFormatParas contain
// the numbers of the affected paragraphs, but they are sent
// before the changes are applied. Therefore, SfxHintId::TextFormatParas
// are just buffered until another hint comes in:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
const TextHint& rTextHint = static_cast<const TextHint&>(rHint);
m_aParagraphNotifications.push(rTextHint);
break;
}
case SfxHintId::TextFormatted:
case SfxHintId::TextHeightChanged:
case SfxHintId::TextModified:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
handleParagraphNotifications();
break;
}
case SfxHintId::TextViewScrolled:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
handleParagraphNotifications();
::sal_Int32 nOffset = static_cast< ::sal_Int32 >(
m_rView.GetStartDocPos().Y());
// XXX numeric overflow
if (nOffset != m_nViewOffset)
{
m_nViewOffset = nOffset;
Paragraphs::iterator aOldVisibleBegin(visibleBegin());
Paragraphs::iterator aOldVisibleEnd(visibleEnd());
determineVisibleRange();
notifyVisibleRangeChanges(aOldVisibleBegin,
aOldVisibleEnd,
m_aParagraphs.end());
}
break;
}
case SfxHintId::TextViewSelectionChanged:
case SfxHintId::TextViewCaretChanged:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
if (m_aParagraphNotifications.empty())
{
handleSelectionChangeNotification();
}
else
{
// SfxHintId::TextViewSelectionChanged is sometimes sent at
// "unsafe" times (when the text engine has not yet re-
// formatted its content), so that for example calling
// ::TextEngine::GetTextHeight from within the code that
// handles a previous SfxHintId::TextParaInserted causes
// trouble within the text engine. Therefore, these
// hints are just buffered (along with
// SfxHintId::TextParaInserted/REMOVED/FORMATPARA) until a
// following ::TextEngine::FormatDoc causes a
// SfxHintId::TextFormatted to come in:
m_bSelectionChangedNotification = true;
}
break;
}
default: break;
}
}
IMPL_LINK(Document, WindowEventHandler, ::VclWindowEvent&, rEvent, void)
{
switch (rEvent.GetId())
{
case VclEventId::WindowResize:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
::sal_Int32 nHeight = static_cast< ::sal_Int32 >(
m_rView.GetWindow()->GetOutputSizePixel().Height());
// XXX numeric overflow
if (nHeight != m_nViewHeight)
{
m_nViewHeight = nHeight;
Paragraphs::iterator aOldVisibleBegin(visibleBegin());
Paragraphs::iterator aOldVisibleEnd(visibleEnd());
determineVisibleRange();
notifyVisibleRangeChanges(aOldVisibleBegin, aOldVisibleEnd,
m_aParagraphs.end());
}
break;
}
case VclEventId::WindowGetFocus:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
//to enable the PARAGRAPH to get focus for multiline edit
sal_Int64 count = getAccessibleChildCount();
bool bEmpty = m_nFocused == m_nVisibleEnd && count == 1;
if (bEmpty || (m_nFocused >= m_nVisibleBegin && m_nFocused < m_nVisibleEnd))
{
Paragraphs::iterator aTemp = bEmpty ? visibleBegin() : focused();
::rtl::Reference< Paragraph > xParagraph(getParagraph(aTemp));
if (xParagraph.is())
{
xParagraph->notifyEvent(
css::accessibility::AccessibleEventId::
STATE_CHANGED,
css::uno::Any(),
css::uno::Any(
css::accessibility::AccessibleStateType::
FOCUSED));
}
}
break;
}
case VclEventId::WindowLoseFocus:
{
::osl::MutexGuard aInternalGuard(GetMutex());
if (!isAlive())
break;
//to enable the PARAGRAPH to get focus for multiline edit
sal_Int64 count = getAccessibleChildCount();
bool bEmpty = m_nFocused == m_nVisibleEnd && count == 1;
if (bEmpty || (m_nFocused >= m_nVisibleBegin && m_nFocused < m_nVisibleEnd))
{
Paragraphs::iterator aTemp = bEmpty ? visibleBegin() : focused();
::rtl::Reference< Paragraph > xParagraph(getParagraph(aTemp));
if (xParagraph.is())
xParagraph->notifyEvent(
css::accessibility::AccessibleEventId::
STATE_CHANGED,
css::uno::Any(
css::accessibility::AccessibleStateType::
FOCUSED),
css::uno::Any());
}
break;
}
default: break;
}
}
::rtl::Reference< Paragraph >
Document::getParagraph(Paragraphs::iterator const & rIt)
{
return rIt->getParagraph().get();
}
css::uno::Reference< css::accessibility::XAccessible >
Document::getAccessibleChild(Paragraphs::iterator const & rIt)
{
rtl::Reference< Paragraph > xParagraph(rIt->getParagraph());
if (!xParagraph.is())
{
xParagraph = new Paragraph(this, rIt - m_aParagraphs.begin());
rIt->setParagraph(xParagraph);
}
return xParagraph;
}
void Document::determineVisibleRange()
{
auto const nEnd = m_aParagraphs.size();
m_nVisibleBegin = nEnd;
m_nVisibleEnd = nEnd;
m_nVisibleBeginOffset = 0;
::sal_Int32 nPos = 0;
for (Paragraphs::size_type i = 0; m_nVisibleEnd == nEnd && i != nEnd; ++i)
{
::sal_Int32 const nOldPos = nPos;
nPos += m_aParagraphs[i].getHeight(); // XXX numeric overflow
if (m_nVisibleBegin == nEnd)
{
if (nPos >= m_nViewOffset)
{
m_nVisibleBegin = i;
m_nVisibleBeginOffset = m_nViewOffset - nOldPos;
}
}
else
{
if (nPos >= m_nViewOffset + m_nViewHeight) // XXX numeric overflow
{
m_nVisibleEnd = i;
}
}
}
SAL_WARN_IF(
!((m_nVisibleBegin == m_aParagraphs.size() && m_nVisibleEnd == m_aParagraphs.size() && m_nVisibleBeginOffset == 0)
|| (m_nVisibleBegin < m_nVisibleEnd && m_nVisibleBeginOffset >= 0)),
"accessibility",
"invalid visible range");
}
void Document::notifyVisibleRangeChanges(
Paragraphs::iterator const & rOldVisibleBegin,
Paragraphs::iterator const & rOldVisibleEnd,
Paragraphs::iterator const & rInserted)
{
// XXX Replace this code that determines which paragraphs have changed from
// invisible to visible or vice versa with a better algorithm.
auto aVisibleBegin = visibleBegin(), aVisibleEnd = visibleEnd();
for (Paragraphs::iterator aIt(rOldVisibleBegin); aIt != rOldVisibleEnd;
++aIt)
{
if (aIt != rInserted && (aIt < aVisibleBegin || aIt >= aVisibleEnd))
NotifyAccessibleEvent(
css::accessibility::AccessibleEventId::
CHILD,
css::uno::Any(getAccessibleChild(aIt)),
css::uno::Any());
}
for (Paragraphs::iterator aIt(aVisibleBegin); aIt != aVisibleEnd; ++aIt)
{
if (aIt == rInserted
|| aIt < rOldVisibleBegin || aIt >= rOldVisibleEnd)
NotifyAccessibleEvent(
css::accessibility::AccessibleEventId::
CHILD,
css::uno::Any(),
css::uno::Any(getAccessibleChild(aIt)));
}
}
void
Document::changeParagraphText(::sal_uInt32 nNumber, ::sal_uInt16 nBegin, ::sal_uInt16 nEnd,
bool bCut, bool bPaste,
OUString const & rText)
{
m_rView.SetSelection(::TextSelection(::TextPaM(nNumber, nBegin),
::TextPaM(nNumber, nEnd)));
if (bCut)
m_rView.Cut();
else if (nBegin != nEnd)
m_rView.DeleteSelected();
if (bPaste)
m_rView.Paste();
else if (!rText.isEmpty())
m_rView.InsertText(rText);
}
void Document::handleParagraphNotifications()
{
// Recursion is possible, e.g. when SfxHintId::TextParaInserted is being handled,
// and TextEngine::GetTextHeight is called for the paragraph being inserted; that
// tries to handle the following SfxHintId::TextFormatPara notification at the
// moment when the respective element hasn't yet been inserted into m_aParagraphs,
// which could crash. Therefore, re-entry is not allowed. The handling is done in
// a loop anyway, so it will process all of them in due order.
// See also comments in Document::Notify.
if (m_bInParagraphNotificationsHandler)
return;
m_bInParagraphNotificationsHandler = true;
while (!m_aParagraphNotifications.empty())
{
::TextHint aHint(m_aParagraphNotifications.front());
m_aParagraphNotifications.pop();
switch (aHint.GetId())
{
case SfxHintId::TextParaInserted:
{
::sal_uInt32 n = static_cast< ::sal_uInt32 >( aHint.GetValue() );
assert(n <= m_aParagraphs.size() && "bad SfxHintId::TextParaInserted event");
// Save the values of old offsets, and adjust the old values so that they
// reflect the insertion of the new paragraph:
Paragraphs::size_type nOldVisibleBegin = m_nVisibleBegin;
Paragraphs::size_type nOldVisibleEnd = m_nVisibleEnd;
Paragraphs::size_type nOldFocused = m_nFocused;
if (n <= nOldVisibleBegin)
++nOldVisibleBegin; // XXX numeric overflow
if (n <= nOldVisibleEnd)
++nOldVisibleEnd; // XXX numeric overflow
if (n <= nOldFocused)
++nOldFocused; // XXX numeric overflow
if (sal::static_int_cast<sal_Int32>(n) <= m_nSelectionFirstPara)
++m_nSelectionFirstPara; // XXX numeric overflow
if (sal::static_int_cast<sal_Int32>(n) <= m_nSelectionLastPara)
++m_nSelectionLastPara; // XXX numeric overflow
Paragraphs::iterator aIns(
m_aParagraphs.insert(
getIter(n),
ParagraphInfo(static_cast< ::sal_Int32 >(
m_rEngine.GetTextHeight(n)))));
// XXX numeric overflow (2x)
determineVisibleRange();
m_nFocused = nOldFocused;
for (Paragraphs::iterator aIt(aIns);;)
{
++aIt;
if (aIt == m_aParagraphs.end())
break;
::rtl::Reference< Paragraph > xParagraph(
getParagraph(aIt));
if (xParagraph.is())
xParagraph->numberChanged(true);
}
notifyVisibleRangeChanges(getIter(nOldVisibleBegin), getIter(nOldVisibleEnd), aIns);
break;
}
case SfxHintId::TextParaRemoved:
{
::sal_uInt32 n = static_cast< ::sal_uInt32 >( aHint.GetValue() );
if (n == TEXT_PARA_ALL)
{
for (Paragraphs::iterator aIt(visibleBegin()), aEnd(visibleEnd());
aIt != aEnd; ++aIt)
{
NotifyAccessibleEvent(
css::accessibility::AccessibleEventId::
CHILD,
css::uno::Any(getAccessibleChild(aIt)),
css::uno::Any());
}
disposeParagraphs();
m_aParagraphs.clear();
determineVisibleRange();
m_nSelectionFirstPara = -1;
m_nSelectionFirstPos = -1;
m_nSelectionLastPara = -1;
m_nSelectionLastPos = -1;
m_nFocused = m_aParagraphs.size();
}
else
{
assert(n < m_aParagraphs.size() && "Bad SfxHintId::TextParaRemoved event");
Paragraphs::iterator aIt(getIter(n));
// Save the values of old offsets, and adjust the old
// values so that they reflect the removal of the paragraph:
Paragraphs::size_type nOldVisibleBegin = m_nVisibleBegin;
Paragraphs::size_type nOldVisibleEnd = m_nVisibleEnd;
bool bWasVisible
= nOldVisibleBegin <= n && n < nOldVisibleEnd;
Paragraphs::size_type nOldFocused = m_nFocused;
bool bWasFocused = n == m_nFocused;
if (n < nOldVisibleBegin)
--nOldVisibleBegin;
if (n < nOldVisibleEnd)
--nOldVisibleEnd;
if (n < nOldFocused)
--nOldFocused;
if (sal::static_int_cast<sal_Int32>(n) < m_nSelectionFirstPara)
--m_nSelectionFirstPara;
else if (sal::static_int_cast<sal_Int32>(n) == m_nSelectionFirstPara)
{
if (m_nSelectionFirstPara == m_nSelectionLastPara)
{
m_nSelectionFirstPara = -1;
m_nSelectionFirstPos = -1;
m_nSelectionLastPara = -1;
m_nSelectionLastPos = -1;
}
else
{
++m_nSelectionFirstPara;
m_nSelectionFirstPos = 0;
}
}
if (sal::static_int_cast<sal_Int32>(n) < m_nSelectionLastPara)
--m_nSelectionLastPara;
else if (sal::static_int_cast<sal_Int32>(n) == m_nSelectionLastPara)
{
assert(m_nSelectionFirstPara < m_nSelectionLastPara && "logic error");
--m_nSelectionLastPara;
m_nSelectionLastPos = 0x7FFFFFFF;
}
css::uno::Reference< css::accessibility::XAccessible >
xStrong;
if (bWasVisible)
xStrong = getAccessibleChild(aIt);
unotools::WeakReference<Paragraph> xWeak(
aIt->getParagraph());
aIt = m_aParagraphs.erase(aIt);
determineVisibleRange();
m_nFocused = bWasFocused ? m_aParagraphs.size() : nOldFocused;
for (; aIt != m_aParagraphs.end(); ++aIt)
{
::rtl::Reference< Paragraph > xParagraph(
getParagraph(aIt));
if (xParagraph.is())
xParagraph->numberChanged(false);
}
if (bWasVisible)
NotifyAccessibleEvent(
css::accessibility::AccessibleEventId::
CHILD,
css::uno::Any(xStrong),
css::uno::Any());
rtl::Reference< Paragraph > xComponent( xWeak.get() );
if (xComponent.is())
xComponent->dispose();
notifyVisibleRangeChanges(
getIter(nOldVisibleBegin),
getIter(nOldVisibleEnd),
m_aParagraphs.end());
}
break;
}
case SfxHintId::TextFormatPara:
{
::sal_uInt32 n = static_cast< ::sal_uInt32 >( aHint.GetValue() );
assert(n < m_aParagraphs.size() && "Bad SfxHintId::TextFormatPara event");
m_aParagraphs[static_cast< Paragraphs::size_type >(n)].
changeHeight(static_cast< ::sal_Int32 >(
m_rEngine.GetTextHeight(n)));
// XXX numeric overflow
Paragraphs::iterator aOldVisibleBegin(visibleBegin());
Paragraphs::iterator aOldVisibleEnd(visibleEnd());
determineVisibleRange();
notifyVisibleRangeChanges(aOldVisibleBegin, aOldVisibleEnd,
m_aParagraphs.end());
if (n < m_aParagraphs.size())
{
Paragraphs::iterator aIt(m_aParagraphs.begin() + n);
::rtl::Reference< Paragraph > xParagraph(getParagraph(aIt));
if (xParagraph.is())
xParagraph->textChanged();
}
break;
}
default:
SAL_WARN("accessibility", "bad buffered hint");
break;
}
}
m_bInParagraphNotificationsHandler = false;
if (m_bSelectionChangedNotification)
{
m_bSelectionChangedNotification = false;
handleSelectionChangeNotification();
}
}
namespace
{
enum class SelChangeType
{
None, // no change, or invalid
CaretMove, // neither old nor new have selection, and they are different
NoSelToSel, // old has no selection but new has selection
SelToNoSel, // old has selection but new has no selection
// both old and new have selections
NoParaChange, // only end index changed inside end para
EndParaNoMoreBehind, // end para was behind start, but now is same or ahead
AddedFollowingPara, // selection extended to following paragraph(s)
ExcludedPreviousPara, // selection shrunk excluding previous paragraph(s)
ExcludedFollowingPara, // selection shrunk excluding following paragraph(s)
AddedPreviousPara, // selection extended to previous paragraph(s)
EndParaBecameBehind // end para was ahead of start, but now is behind
};
SelChangeType getSelChangeType(const TextPaM& Os, const TextPaM& Oe,
const TextPaM& Ns, const TextPaM& Ne)
{
if (Os == Oe) // no old selection
{
if (Ns == Ne) // no new selection: only caret moves
return Os != Ns ? SelChangeType::CaretMove : SelChangeType::None;
else // old has no selection but new has selection
return SelChangeType::NoSelToSel;
}
else if (Ns == Ne) // old has selection; no new selection
{
return SelChangeType::SelToNoSel;
}
else if (Os == Ns) // both old and new have selections, and their starts are same
{
const sal_Int32 Osp = Os.GetPara(), Oep = Oe.GetPara();
const sal_Int32 Nsp = Ns.GetPara(), Nep = Ne.GetPara();
if (Oep == Nep) // end of selection stays in the same paragraph
{
//Send text_selection_change event on Nep
return Oe.GetIndex() != Ne.GetIndex() ? SelChangeType::NoParaChange
: SelChangeType::None;
}
else if (Oep < Nep) // end of selection moved to a following paragraph
{
//all the following examples like 1,2->1,3 means that old start select para is 1, old end select para is 2,
// then press shift up, the new start select para is 1, new end select para is 3;
//for example, 1, 2 -> 1, 3; 4,1 -> 4, 7; 4,1 -> 4, 2; 4,4->4,5
if (Nep >= Nsp) // new end para not behind start
{
// 1, 2 -> 1, 3; 4, 1 -> 4, 7; 4,4->4,5;
if (Oep < Osp) // old end was behind start
{
// 4,1 -> 4,7; 4,1 -> 4,4
return SelChangeType::EndParaNoMoreBehind;
}
else // old end para wasn't behind start
{
// 1, 2 -> 1, 3; 4,4->4,5;
return SelChangeType::AddedFollowingPara;
}
}
else // new end para is still behind start
{
// 4,1 -> 4,2,
return SelChangeType::ExcludedPreviousPara;
}
}
else // Oep > Nep => end of selection moved to a previous paragraph
{
// 3,2 -> 3,1; 4,7 -> 4,1; 4, 7 -> 4,6; 4,4 -> 4,3
if (Nep >= Nsp) // new end para is still not behind of start
{
// 4,7 ->4,6
return SelChangeType::ExcludedFollowingPara;
}
else // new end para is behind start
{
// 3,2 -> 3,1, 4,7 -> 4,1; 4,4->4,3
if (Oep <= Osp) // it was not ahead already
{
// 3,2 -> 3,1; 4,4->4,3
return SelChangeType::AddedPreviousPara;
}
else // it was ahead previously
{
// 4,7 -> 4,1
return SelChangeType::EndParaBecameBehind;
}
}
}
}
return SelChangeType::None;
}
} // namespace
void Document::sendEvent(::sal_Int32 start, ::sal_Int32 end, ::sal_Int16 nEventId)
{
size_t nAvailDistance = std::distance(m_aParagraphs.begin(), visibleEnd());
Paragraphs::iterator aEnd(m_aParagraphs.begin());
size_t nEndDistance = std::min<size_t>(end + 1, nAvailDistance);
std::advance(aEnd, nEndDistance);
Paragraphs::iterator aIt(m_aParagraphs.begin());
size_t nStartDistance = std::min<size_t>(start, nAvailDistance);
std::advance(aIt, nStartDistance);
while (aIt < aEnd)
{
::rtl::Reference< Paragraph > xParagraph(getParagraph(aIt));
if (xParagraph.is())
xParagraph->notifyEvent(
nEventId,
css::uno::Any(), css::uno::Any());
++aIt;
}
}
void Document::handleSelectionChangeNotification()
{
::TextSelection const & rSelection = m_rView.GetSelection();
assert(rSelection.GetStart().GetPara() < m_aParagraphs.size() &&
rSelection.GetEnd().GetPara() < m_aParagraphs.size() &&
"bad SfxHintId::TextViewSelectionChanged event");
::sal_Int32 nNewFirstPara
= static_cast< ::sal_Int32 >(rSelection.GetStart().GetPara());
::sal_Int32 nNewFirstPos = rSelection.GetStart().GetIndex();
// XXX numeric overflow
::sal_Int32 nNewLastPara
= static_cast< ::sal_Int32 >(rSelection.GetEnd().GetPara());
::sal_Int32 nNewLastPos = rSelection.GetEnd().GetIndex();
// XXX numeric overflow
// Lose focus:
Paragraphs::iterator aIt(getIter(nNewLastPara));
if (m_nFocused < m_aParagraphs.size() && focused() != aIt
&& m_nFocused >= m_nVisibleBegin && m_nFocused < m_nVisibleEnd)
{
::rtl::Reference< Paragraph > xParagraph(getParagraph(focused()));
if (xParagraph.is())
xParagraph->notifyEvent(
css::accessibility::AccessibleEventId::
STATE_CHANGED,
css::uno::Any(
css::accessibility::AccessibleStateType::FOCUSED),
css::uno::Any());
}
// Gain focus and update cursor position:
if (aIt >= visibleBegin() && aIt < visibleEnd()
&& (aIt != focused()
|| nNewLastPara != m_nSelectionLastPara
|| nNewLastPos != m_nSelectionLastPos))
{
::rtl::Reference< Paragraph > xParagraph(getParagraph(aIt));
if (xParagraph.is())
{
//disable the first event when user types in empty field.
sal_Int64 count = getAccessibleChildCount();
bool bEmpty = count > 1;
if (aIt != focused() && bEmpty)
xParagraph->notifyEvent(
css::accessibility::AccessibleEventId::
STATE_CHANGED,
css::uno::Any(),
css::uno::Any(
css::accessibility::AccessibleStateType::FOCUSED));
if (nNewLastPara != m_nSelectionLastPara
|| nNewLastPos != m_nSelectionLastPos)
xParagraph->notifyEvent(
css::accessibility::AccessibleEventId::
CARET_CHANGED,
css::uno::Any( ::sal_Int32 (
nNewLastPara == m_nSelectionLastPara
? m_nSelectionLastPos : 0)),
css::uno::Any(nNewLastPos));
}
}
m_nFocused = std::distance(m_aParagraphs.begin(), aIt);
if (m_nSelectionFirstPara != -1)
{
sal_Int32 nMin;
sal_Int32 nMax;
SelChangeType ret = getSelChangeType(TextPaM(m_nSelectionFirstPara, m_nSelectionFirstPos),
TextPaM(m_nSelectionLastPara, m_nSelectionLastPos),
rSelection.GetStart(), rSelection.GetEnd());
switch (ret)
{
case SelChangeType::None:
//no event
break;
case SelChangeType::CaretMove:
//only caret moved, already handled in above
break;
case SelChangeType::NoSelToSel:
//old has no selection but new has selection
nMin = std::min(nNewFirstPara, nNewLastPara);
nMax = std::max(nNewFirstPara, nNewLastPara);
sendEvent(nMin, nMax, css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nMin, nMax,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::SelToNoSel:
//old has selection but new has no selection.
nMin = std::min(m_nSelectionFirstPara, m_nSelectionLastPara);
nMax = std::max(m_nSelectionFirstPara, m_nSelectionLastPara);
sendEvent(nMin, nMax, css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nMin, nMax,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::NoParaChange:
//Send text_selection_change event on Nep
sendEvent(nNewLastPara, nNewLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::EndParaNoMoreBehind:
// 4, 1 -> 4, 7; 4,1 -> 4,4
sendEvent(m_nSelectionLastPara, m_nSelectionFirstPara - 1,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nNewFirstPara + 1, nNewLastPara,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(m_nSelectionLastPara, nNewLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::AddedFollowingPara:
// 1, 2 -> 1, 4; 4,4->4,5;
sendEvent(m_nSelectionLastPara + 1, nNewLastPara,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(m_nSelectionLastPara, nNewLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::ExcludedPreviousPara:
// 4,1 -> 4,3,
sendEvent(m_nSelectionLastPara + 1, nNewLastPara,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(m_nSelectionLastPara, nNewLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::ExcludedFollowingPara:
// 4,7 ->4,5;
sendEvent(nNewLastPara + 1, m_nSelectionLastPara,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nNewLastPara, m_nSelectionLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::AddedPreviousPara:
// 3,2 -> 3,1; 4,4->4,3
sendEvent(nNewLastPara, m_nSelectionLastPara - 1,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nNewLastPara, m_nSelectionLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
case SelChangeType::EndParaBecameBehind:
// 4,7 -> 4,1
sendEvent(m_nSelectionFirstPara + 1, m_nSelectionLastPara,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nNewLastPara, nNewFirstPara - 1,
css::accessibility::AccessibleEventId::SELECTION_CHANGED);
sendEvent(nNewLastPara, m_nSelectionLastPara,
css::accessibility::AccessibleEventId::TEXT_SELECTION_CHANGED);
break;
}
}
m_nSelectionFirstPara = nNewFirstPara;
m_nSelectionFirstPos = nNewFirstPos;
m_nSelectionLastPara = nNewLastPara;
m_nSelectionLastPos = nNewLastPos;
}
void Document::disposeParagraphs()
{
for (auto const& paragraph : m_aParagraphs)
{
rtl::Reference< Paragraph > xComponent(
paragraph.getParagraph().get() );
if (xComponent.is())
xComponent->dispose();
}
}
// static
css::uno::Any Document::mapFontColor(::Color const & rColor)
{
return css::uno::Any(rColor.GetRGBColor());
// FIXME keep transparency?
}
// static
::Color Document::mapFontColor(css::uno::Any const & rColor)
{
::Color nColor;
rColor >>= nColor;
return nColor;
}
// static
css::uno::Any Document::mapFontWeight(::FontWeight nWeight)
{
// Map from ::FontWeight to css::awt::FontWeight, depends on order of
// elements in ::FontWeight (vcl/vclenum.hxx):
static float const aWeight[]
= { css::awt::FontWeight::DONTKNOW, // WEIGHT_DONTKNOW
css::awt::FontWeight::THIN, // WEIGHT_THIN
css::awt::FontWeight::ULTRALIGHT, // WEIGHT_ULTRALIGHT
css::awt::FontWeight::LIGHT, // WEIGHT_LIGHT
css::awt::FontWeight::SEMILIGHT, // WEIGHT_SEMILIGHT
css::awt::FontWeight::NORMAL, // WEIGHT_NORMAL
css::awt::FontWeight::NORMAL, // WEIGHT_MEDIUM
css::awt::FontWeight::SEMIBOLD, // WEIGHT_SEMIBOLD
css::awt::FontWeight::BOLD, // WEIGHT_BOLD
css::awt::FontWeight::ULTRABOLD, // WEIGHT_ULTRABOLD
css::awt::FontWeight::BLACK }; // WEIGHT_BLACK
return css::uno::Any(aWeight[nWeight]);
}
// static
::FontWeight Document::mapFontWeight(css::uno::Any const & rWeight)
{
float nWeight = css::awt::FontWeight::NORMAL;
rWeight >>= nWeight;
return nWeight <= css::awt::FontWeight::DONTKNOW ? WEIGHT_DONTKNOW
: nWeight <= css::awt::FontWeight::THIN ? WEIGHT_THIN
: nWeight <= css::awt::FontWeight::ULTRALIGHT ? WEIGHT_ULTRALIGHT
: nWeight <= css::awt::FontWeight::LIGHT ? WEIGHT_LIGHT
: nWeight <= css::awt::FontWeight::SEMILIGHT ? WEIGHT_SEMILIGHT
: nWeight <= css::awt::FontWeight::NORMAL ? WEIGHT_NORMAL
: nWeight <= css::awt::FontWeight::SEMIBOLD ? WEIGHT_SEMIBOLD
: nWeight <= css::awt::FontWeight::BOLD ? WEIGHT_BOLD
: nWeight <= css::awt::FontWeight::ULTRABOLD ? WEIGHT_ULTRABOLD
: WEIGHT_BLACK;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
↑ V503 This is a nonsensical comparison: pointer >= 0.
↑ V503 This is a nonsensical comparison: pointer >= 0.
↑ V503 This is a nonsensical comparison: pointer >= 0.
↑ V503 This is a nonsensical comparison: pointer >= 0.
↑ V1037 Two or more case-branches perform the same actions. Check lines: 2107, 2115