textwindowaccessibility.hxx

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/* -*- 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 .
 */
 
#pragma once
 
#include <toolkit/awt/vclxaccessiblecomponent.hxx>
#include <svl/lstner.hxx>
#include <vcl/textdata.hxx>
#include <vcl/texteng.hxx>
#include <vcl/textview.hxx>
#include <vcl/window.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
#include <com/sun/star/accessibility/XAccessible.hpp>
#include <com/sun/star/accessibility/XAccessibleContext.hpp>
#include <com/sun/star/accessibility/XAccessibleEditableText.hpp>
#include <com/sun/star/accessibility/XAccessibleMultiLineText.hpp>
#include <com/sun/star/accessibility/XAccessibleTextAttributes.hpp>
#include <com/sun/star/accessibility/XAccessibleEventBroadcaster.hpp>
#include <com/sun/star/accessibility/XAccessibleComponent.hpp>
#include <toolkit/awt/vclxwindow.hxx>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase7.hxx>
#include <comphelper/accessibletexthelper.hxx>
#include <rtl/ref.hxx>
 
#include <unotools/accessiblerelationsethelper.hxx>
#include <queue>
#include <memory>
#include <unordered_map>
 
class TextEngine;
class TextView;
 
namespace accessibility
{
 
class Document;
 
class SfxListenerGuard
{
public:
    SfxListenerGuard(::SfxListener & rListener):
        m_rListener(rListener), m_pNotifier(nullptr) {}
 
    ~SfxListenerGuard() { endListening(); }
 
    // Not thread safe:
    void startListening(::SfxBroadcaster & rNotifier);
 
    // Not thread safe:
    void endListening();
 
private:
    ::SfxListener & m_rListener;
    ::SfxBroadcaster * m_pNotifier;
};
 
class WindowListenerGuard
{
public:
    WindowListenerGuard(::Link<VclWindowEvent&,void> const & rListener):
        m_aListener(rListener), m_pNotifier(nullptr) {}
 
    ~WindowListenerGuard() { endListening(); }
 
    // Not thread safe:
    void startListening(vcl::Window & rNotifier);
 
    // Not thread safe:
    void endListening();
 
private:
    ::Link<VclWindowEvent&,void> m_aListener;
    VclPtr<vcl::Window> m_pNotifier;
};
 
class ParagraphInfo
{
public:
    ParagraphInfo(::sal_Int32 nHeight): m_nHeight(nHeight) {}
 
    css::uno::WeakReference< css::accessibility::XAccessible > const &
    getParagraph() const { return m_xParagraph; }
 
    ::sal_Int32 getHeight() const { return m_nHeight; }
 
    void setParagraph(
        css::uno::Reference< css::accessibility::XAccessible > const &
        rParagraph) { m_xParagraph = rParagraph; }
 
    void changeHeight(::sal_Int32 nHeight) { m_nHeight = nHeight; }
 
private:
    css::uno::WeakReference< css::accessibility::XAccessible >
    m_xParagraph;
    ::sal_Int32 m_nHeight;
};
 
typedef std::vector< ParagraphInfo > Paragraphs;
 
typedef ::cppu::WeakAggComponentImplHelper7<
    css::accessibility::XAccessible,
    css::accessibility::XAccessibleContext,
    css::accessibility::XAccessibleComponent,
    css::accessibility::XAccessibleEditableText,
    css::accessibility::XAccessibleMultiLineText,
    css::accessibility::XAccessibleTextAttributes,
    css::accessibility::XAccessibleEventBroadcaster > ParagraphBase;
 
// The Paragraph's number is the absolute position within the text engine (from
// 0 to N - 1), whereas the Paragraph's index is the position within the text
// view/accessible parent (from 0 to M - 1).  Paragraphs outside the currently
// visible range have an index of -1.
class Paragraph final:
    private cppu::BaseMutex, public ParagraphBase, private ::comphelper::OCommonAccessibleText
{
public:
    Paragraph(::rtl::Reference< Document > xDocument,
                  Paragraphs::size_type nNumber);
 
    // Not thread-safe.
    Paragraphs::size_type getNumber() const { return m_nNumber; }
 
    // Not thread-safe.
    void numberChanged(bool bIncremented);
 
    // Not thread-safe.
    void textChanged();
 
    // Thread-safe.
    void notifyEvent(::sal_Int16 nEventId, css::uno::Any const & rOldValue,
                     css::uno::Any const & rNewValue);
 
private:
    // OCommonAccessibleText
    virtual void implGetParagraphBoundary( const OUString& rText,
                                           css::i18n::Boundary& rBoundary,
                                           ::sal_Int32 nIndex ) override;
    virtual void implGetLineBoundary( const OUString& rText,
                                      css::i18n::Boundary& rBoundary,
                                      ::sal_Int32 nIndex ) override;
 
    virtual css::uno::Reference< css::accessibility::XAccessibleContext >
    SAL_CALL getAccessibleContext() override;
 
    virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
    getAccessibleChild(sal_Int64 i) override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
    getAccessibleParent() override;
 
    virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
 
    virtual ::sal_Int16 SAL_CALL getAccessibleRole() override;
 
    virtual OUString SAL_CALL getAccessibleDescription() override;
 
    virtual OUString SAL_CALL getAccessibleName() override;
 
    virtual
    css::uno::Reference< css::accessibility::XAccessibleRelationSet >
    SAL_CALL getAccessibleRelationSet() override;
 
    virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
 
    virtual css::lang::Locale SAL_CALL getLocale() override;
 
    virtual sal_Bool SAL_CALL containsPoint(css::awt::Point const & rPoint) override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL
    getAccessibleAtPoint(css::awt::Point const & rPoint) override;
 
    virtual css::awt::Rectangle SAL_CALL getBounds() override;
 
    virtual css::awt::Point SAL_CALL getLocation() override;
 
    virtual css::awt::Point SAL_CALL getLocationOnScreen() override;
 
    virtual css::awt::Size SAL_CALL getSize() override;
 
    virtual void SAL_CALL grabFocus() override;
 
    virtual sal_Int32 SAL_CALL getForeground() override;
 
    virtual sal_Int32 SAL_CALL getBackground() override;
 
    virtual ::sal_Int32 SAL_CALL getCaretPosition() override;
 
    virtual sal_Bool SAL_CALL setCaretPosition(::sal_Int32 nIndex) override;
 
    virtual ::sal_Unicode SAL_CALL getCharacter(::sal_Int32 nIndex) override;
 
    virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
    getCharacterAttributes(::sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
 
    virtual css::awt::Rectangle SAL_CALL
    getCharacterBounds(::sal_Int32 nIndex) override;
 
    virtual ::sal_Int32 SAL_CALL getCharacterCount() override;
 
    virtual ::sal_Int32 SAL_CALL
    getIndexAtPoint(css::awt::Point const & rPoint) override;
 
    virtual OUString SAL_CALL getSelectedText() override;
 
    virtual ::sal_Int32 SAL_CALL getSelectionStart() override;
 
    virtual ::sal_Int32 SAL_CALL getSelectionEnd() override;
 
    virtual sal_Bool SAL_CALL setSelection(::sal_Int32 nStartIndex,
                                             ::sal_Int32 nEndIndex) override;
 
    virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;
 
    virtual OUString SAL_CALL getText() override;
 
    virtual OUString SAL_CALL getTextRange(::sal_Int32 nStartIndex,
                                                  ::sal_Int32 nEndIndex) override;
 
    virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
    virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
    virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
 
    virtual sal_Bool SAL_CALL copyText(::sal_Int32 nStartIndex,
                                         ::sal_Int32 nEndIndex) override;
 
    virtual sal_Bool SAL_CALL cutText(::sal_Int32 nStartIndex,
                                        ::sal_Int32 nEndIndex) override;
 
    virtual sal_Bool SAL_CALL pasteText(::sal_Int32 nIndex) override;
 
    virtual sal_Bool SAL_CALL deleteText(::sal_Int32 nStartIndex,
                                           ::sal_Int32 nEndIndex) override;
 
    virtual sal_Bool SAL_CALL insertText(OUString const & rText,
                                           ::sal_Int32 nIndex) override;
 
    virtual sal_Bool SAL_CALL replaceText(
        ::sal_Int32 nStartIndex, ::sal_Int32 nEndIndex,
        OUString const & rReplacement) override;
 
    virtual sal_Bool SAL_CALL setAttributes(
        ::sal_Int32 nStartIndex, ::sal_Int32 nEndIndex,
        css::uno::Sequence< css::beans::PropertyValue > const &
        rAttributeSet) override;
 
    virtual sal_Bool SAL_CALL setText(OUString const & rText) override;
 
    virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
    getDefaultAttributes(const css::uno::Sequence< OUString >& RequestedAttributes) override;
 
    virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL
    getRunAttributes(::sal_Int32 Index, const css::uno::Sequence< OUString >& RequestedAttributes) override;
 
    virtual ::sal_Int32 SAL_CALL getLineNumberAtIndex( ::sal_Int32 nIndex ) override;
 
    virtual css::accessibility::TextSegment SAL_CALL getTextAtLineNumber( ::sal_Int32 nLineNo ) override;
 
    virtual css::accessibility::TextSegment SAL_CALL getTextAtLineWithCaret(  ) override;
 
    virtual ::sal_Int32 SAL_CALL getNumberOfLineWithCaret(  ) override;
 
    virtual void SAL_CALL addAccessibleEventListener(
        css::uno::Reference<
        css::accessibility::XAccessibleEventListener > const & rListener) override;
 
    virtual void SAL_CALL removeAccessibleEventListener(
        css::uno::Reference<
        css::accessibility::XAccessibleEventListener > const & rListener) override;
 
    virtual void SAL_CALL disposing() override;
 
    virtual OUString implGetText() override;
 
    virtual css::lang::Locale implGetLocale() override;
 
    virtual void implGetSelection(::sal_Int32 & rStartIndex,
                                  ::sal_Int32 & rEndIndex) override;
 
    // Throws css::lang::DisposedException:
    void checkDisposed();
 
    ::rtl::Reference< Document > m_xDocument;
    Paragraphs::size_type m_nNumber;
 
    sal_uInt32 m_nClientId;
 
    OUString m_aParagraphText;
};
 
 
typedef std::unordered_map< OUString,
                         css::beans::PropertyValue > tPropValMap;
 
class Document final : public ::VCLXAccessibleComponent, public ::SfxListener
{
public:
    Document(::VCLXWindow * pVclXWindow, ::TextEngine & rEngine,
             ::TextView & rView);
 
    const css::uno::Reference< css::accessibility::XAccessible >&
    getAccessible() const { return m_xAccessible; }
 
    // Must be called only after init has been called.
    css::lang::Locale retrieveLocale();
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const *" instead of a
    // "::rtl::Reference< Paragraph > const &".
    ::sal_Int32 retrieveParagraphIndex(Paragraph const * pParagraph);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const *" instead of a
    // "::rtl::Reference< Paragraph > const &".
    ::sal_Int64 retrieveParagraphState(Paragraph const * pParagraph);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    css::awt::Rectangle
    retrieveParagraphBounds(Paragraph const * pParagraph, bool bAbsolute);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    OUString retrieveParagraphText(Paragraph const * pParagraph);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    void retrieveParagraphSelection(Paragraph const * pParagraph,
                                    ::sal_Int32 * pBegin, ::sal_Int32 * pEnd);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const *" instead of a
    // "::rtl::Reference< Paragraph > const &".
    ::sal_Int32 retrieveParagraphCaretPosition(Paragraph const * pParagraph);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    css::awt::Rectangle
    retrieveCharacterBounds(Paragraph const * pParagraph,
                            ::sal_Int32 nIndex);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    ::sal_Int32 retrieveCharacterIndex(Paragraph const * pParagraph,
                                       css::awt::Point const & rPoint);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    css::uno::Sequence< css::beans::PropertyValue > retrieveCharacterAttributes(
        Paragraph const * pParagraph, ::sal_Int32 nIndex,
        const css::uno::Sequence< OUString >& aRequestedAttributes);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    css::uno::Sequence< css::beans::PropertyValue > retrieveRunAttributes(
        Paragraph const * pParagraph, ::sal_Int32 Index,
        const css::uno::Sequence< OUString >& RequestedAttributes);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    void changeParagraphText(Paragraph const * pParagraph,
                             OUString const & rText);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    void changeParagraphText(Paragraph const * pParagraph, ::sal_Int32 nBegin,
                             ::sal_Int32 nEnd, bool bCut, bool bPaste,
                             OUString const & rText);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    void copyParagraphText(Paragraph const * pParagraph,
                           ::sal_Int32 nBegin, ::sal_Int32 nEnd);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    void changeParagraphAttributes(
        Paragraph const * pParagraph, ::sal_Int32 nBegin, ::sal_Int32 nEnd,
        css::uno::Sequence< css::beans::PropertyValue > const &
        rAttributeSet);
 
    // Must be called only after init has been called.
    // To make it possible for this method to be (indirectly) called from
    // within Paragraph's constructor (i.e., when the Paragraph's ref count is
    // still zero), pass a "Paragraph const &" instead of a
    // "::rtl::Reference< Paragraph > const &".
    // Throws css::lang::IndexOutOfBoundsException.
    void changeParagraphSelection(Paragraph const * pParagraph,
                                  ::sal_Int32 nBegin, ::sal_Int32 nEnd);
 
    css::i18n::Boundary
    retrieveParagraphLineBoundary( Paragraph const * pParagraph,
                                   ::sal_Int32 nIndex, ::sal_Int32 *pLineNo);
 
    css::i18n::Boundary
    retrieveParagraphBoundaryOfLine( Paragraph const * pParagraph,
                                     ::sal_Int32 nIndex );
 
    sal_Int32 retrieveParagraphLineWithCursor( Paragraph const * pParagraph );
 
    css::uno::Reference< css::accessibility::XAccessibleRelationSet >
    retrieveParagraphRelationSet( Paragraph const * pParagraph );
 
private:
    virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible >
    SAL_CALL getAccessibleChild(sal_Int64 i) override;
 
    virtual ::sal_Int16 SAL_CALL getAccessibleRole() override;
 
    virtual css::uno::Reference< css::accessibility::XAccessible >
    SAL_CALL getAccessibleAtPoint(css::awt::Point const & rPoint) override;
 
    virtual void FillAccessibleStateSet( sal_Int64& rStateSet ) override;
    virtual void FillAccessibleRelationSet( utl::AccessibleRelationSetHelper& rRelationSet ) override;
 
    // ??? Will be called with both the external (Solar) and internal mutex
    // locked:
    virtual void SAL_CALL disposing() override;
 
    // ??? Will be called with the external (Solar) mutex locked.
    // init will already have been called.
    virtual void Notify(::SfxBroadcaster & rBC, ::SfxHint const & rHint) override;
 
    // Assuming that this will only be called with the external (Solar) mutex
    // locked.
    // init will already have been called.
    DECL_LINK(WindowEventHandler, VclWindowEvent&, void);
 
    // Must be called with both the external (Solar) and internal mutex
    // locked.
    void init();
 
    // Must be called with both the external (Solar) and internal mutex
    // locked, and after init has been called:
    static ::rtl::Reference< Paragraph >
    getParagraph(Paragraphs::iterator const & rIt);
 
    // Must be called with both the external (Solar) and internal mutex
    // locked, and after init has been called.
    // Throws css::uno::RuntimeException.
    css::uno::Reference< css::accessibility::XAccessible >
    getAccessibleChild(Paragraphs::iterator const & rIt);
 
    // Must be called with both the external (Solar) and internal mutex
    // locked, and after init has been called:
    void determineVisibleRange();
 
    // Must be called with both the external (Solar) and internal mutex
    // locked, and after init has been called:
    void notifyVisibleRangeChanges(
        Paragraphs::iterator const & rOldVisibleBegin,
        Paragraphs::iterator const & rOldVisibleEnd,
        Paragraphs::iterator const & rInserted);
 
    // Must be called with both the external (Solar) and internal mutex
    // locked, and after init has been called:
    void changeParagraphText(::sal_uInt32 nNumber, ::sal_uInt16 nBegin, ::sal_uInt16 nEnd,
                             bool bCut, bool bPaste,
                             OUString const & rText);
 
    void
    handleParagraphNotifications();
 
    void handleSelectionChangeNotification();
 
    void sendEvent(::sal_Int32 start, ::sal_Int32 end, ::sal_Int16 nEventId);
 
    void disposeParagraphs();
 
    static css::uno::Any mapFontColor(::Color const & rColor);
 
    static ::Color mapFontColor(css::uno::Any const & rColor);
 
    static css::uno::Any mapFontWeight(::FontWeight nWeight);
 
    static ::FontWeight mapFontWeight(css::uno::Any const & rWeight);
 
    void retrieveRunAttributesImpl(
        Paragraph const * pParagraph, ::sal_Int32 Index,
        const css::uno::Sequence< OUString >& RequestedAttributes,
        tPropValMap& rRunAttrSeq);
 
    css::uno::Reference< css::accessibility::XAccessible > m_xAccessible;
    ::TextEngine & m_rEngine;
    ::TextView & m_rView;
 
    SfxListenerGuard m_aEngineListener;
    WindowListenerGuard m_aViewListener;
 
    // All the following members have valid values only after calling init:
 
    std::unique_ptr< Paragraphs > m_xParagraphs;
 
    // m_nViewOffset is from the start of the document (0) to the start of the
    // current view, and m_nViewHeight is the height of the view:
    ::sal_Int32 m_nViewOffset;
    ::sal_Int32 m_nViewHeight;
 
    // m_aVisibleBegin points to the first Paragraph that is (partially)
    // contained in the view, and m_aVisibleEnd points past the last Paragraph
    // that is (partially) contained.  If no Paragraphs are (partially) in the
    // view, both m_aVisibleBegin and m_aVisibleEnd are set to
    // m_xParagraphs->end().  These values are only changed by
    // determineVisibleRange.
    Paragraphs::iterator m_aVisibleBegin;
    Paragraphs::iterator m_aVisibleEnd;
 
    // m_nVisibleBeginOffset is from m_nViewOffset back to the start of the
    // Paragraph pointed to by m_aVisibleBegin (and always has a non-negative
    // value).  If m_aVisibleBegin == m_xParagraphs->end(),
    // m_nVisibleBeginOffset is set to 0.  These values are only changed by
    // determineVisibleRange.
    ::sal_Int32 m_nVisibleBeginOffset;
 
    // If no selection has yet been set, all the following four variables are
    // set to -1.  m_nSelectionLastPara/Pos is also the cursor position.
    ::sal_Int32 m_nSelectionFirstPara;
    ::sal_Int32 m_nSelectionFirstPos;
    ::sal_Int32 m_nSelectionLastPara;
    ::sal_Int32 m_nSelectionLastPos;
 
    Paragraphs::iterator m_aFocused;
 
    std::queue< ::TextHint > m_aParagraphNotifications;
    bool m_bSelectionChangedNotification;
};
 
}
 
 
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