483 lines
23 KiB
C++
483 lines
23 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#pragma once
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#include <memory>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleScrollType.hpp>
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#include <com/sun/star/accessibility/XAccessibleText.hpp>
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#include <com/sun/star/accessibility/XAccessibleTable.hpp>
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#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
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#include <tools/gen.hxx>
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#include <rtl/ref.hxx>
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#include <rtl/ustrbuf.hxx>
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#include <comphelper/accessiblecomponenthelper.hxx>
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#include <cppuhelper/implbase.hxx>
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#include <editeng/AccessibleStaticTextBase.hxx>
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#include <comphelper/uno3.hxx>
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#include <map>
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class ScCsvControl;
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/** Accessible base class used for CSV controls. */
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class ScAccessibleCsvControl : public comphelper::OAccessibleComponentHelper
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{
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private:
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ScCsvControl* mpControl; /// Pointer to the VCL control.
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public:
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explicit ScAccessibleCsvControl(ScCsvControl& rControl);
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virtual ~ScAccessibleCsvControl() override;
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virtual void SAL_CALL disposing() override;
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virtual void SAL_CALL grabFocus( ) override;
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& aPoint ) override;
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// events -----------------------------------------------------------------
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public:
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/** Sends a GetFocus or LoseFocus event to all listeners. */
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virtual void SendFocusEvent( bool bFocused );
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/** Sends a caret changed event to all listeners. */
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virtual void SendCaretEvent();
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/** Sends a visible area changed event to all listeners. */
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void SendVisibleEvent();
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/** Sends a selection changed event to all listeners. */
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void SendSelectionEvent();
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/** Sends a table model changed event for changed cell contents to all listeners. */
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virtual void SendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows );
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/** Sends a table model changed event for an inserted column to all listeners. */
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virtual void SendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
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/** Sends a table model changed event for a removed column to all listeners. */
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virtual void SendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn );
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// helpers ----------------------------------------------------------------
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protected:
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virtual css::awt::Rectangle implGetBounds() override;
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/** Returns the VCL control. Assumes a living object. */
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ScCsvControl& implGetControl() const;
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/** Creates a StateSet and fills it with DEFUNC, OPAQUE, ENABLED, SHOWING and VISIBLE. */
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sal_Int64 implCreateStateSet();
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};
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class ScCsvRuler;
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/** Accessible class representing the CSV ruler control. */
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class ScAccessibleCsvRuler : public cppu::ImplInheritanceHelper<
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ScAccessibleCsvControl,
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css::accessibility::XAccessible,
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css::accessibility::XAccessibleText>
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{
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private:
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OUStringBuffer maBuffer; /// Contains the text representation of the ruler.
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public:
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explicit ScAccessibleCsvRuler( ScCsvRuler& rRuler );
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virtual ~ScAccessibleCsvRuler() override;
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// XAccessibleComponent -----------------------------------------------------
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virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) override { return this; }
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
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virtual OUString SAL_CALL getAccessibleDescription( ) override;
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virtual OUString SAL_CALL getAccessibleName( ) override;
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virtual sal_Int32 SAL_CALL getForeground( ) override;
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virtual sal_Int32 SAL_CALL getBackground( ) override;
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// XAccessibleContext -----------------------------------------------------
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/** Returns the child count (the ruler does not have children). */
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virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
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/** Throws an exception (the ruler does not have children). */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 nIndex ) override;
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virtual sal_Int16 SAL_CALL getAccessibleRole( ) override { return css::accessibility::AccessibleRole::TEXT; }
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/** Returns the relation to the grid control. */
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virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
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/** Returns the current set of states. */
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virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
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// XAccessibleText --------------------------------------------------------
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/** Return the position of the caret. */
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virtual sal_Int32 SAL_CALL getCaretPosition() override;
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/** Sets the position of the caret. */
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virtual sal_Bool SAL_CALL setCaretPosition( sal_Int32 nIndex ) override;
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/** Returns the specified character. */
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virtual sal_Unicode SAL_CALL getCharacter( sal_Int32 nIndex ) override;
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/** Returns the attributes of the specified character. */
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virtual css::uno::Sequence< css::beans::PropertyValue > SAL_CALL getCharacterAttributes( sal_Int32 nIndex, const css::uno::Sequence< OUString >& aRequestedAttributes ) override;
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/** Returns the screen coordinates of the specified character. */
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virtual css::awt::Rectangle SAL_CALL getCharacterBounds( sal_Int32 nIndex ) override;
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/** Returns the count of characters. */
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virtual sal_Int32 SAL_CALL getCharacterCount() override;
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/** Returns the character index at the specified coordinate (object's coordinate system). */
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virtual sal_Int32 SAL_CALL getIndexAtPoint( const css::awt::Point& rPoint ) override;
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/** Returns the selected text (ruler returns empty string). */
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virtual OUString SAL_CALL getSelectedText() override;
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/** Returns the start index of the selection (ruler returns -1). */
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virtual sal_Int32 SAL_CALL getSelectionStart() override;
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/** Returns the end index of the selection (ruler returns -1). */
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virtual sal_Int32 SAL_CALL getSelectionEnd() override;
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/** Selects a part of the text (ruler does nothing). */
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virtual sal_Bool SAL_CALL setSelection( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
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/** Returns the entire text. */
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virtual OUString SAL_CALL getText() override;
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/** Returns the specified range [Start,End) of the text. */
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virtual OUString SAL_CALL getTextRange( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
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/** Returns the specified text portion. */
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virtual css::accessibility::TextSegment SAL_CALL getTextAtIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
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virtual css::accessibility::TextSegment SAL_CALL getTextBeforeIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
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virtual css::accessibility::TextSegment SAL_CALL getTextBehindIndex( sal_Int32 nIndex, sal_Int16 aTextType ) override;
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/** Copies the specified text range into the clipboard (ruler does nothing). */
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virtual sal_Bool SAL_CALL copyText( sal_Int32 nStartIndex, sal_Int32 nEndIndex ) override;
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virtual sal_Bool SAL_CALL scrollSubstringTo( sal_Int32 nStartIndex, sal_Int32 nEndIndex, css::accessibility::AccessibleScrollType aScrollType) override;
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// events -----------------------------------------------------------------
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public:
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/** Sends a caret changed event to all listeners. */
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virtual void SendCaretEvent() override;
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// helpers ----------------------------------------------------------------
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private:
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/** @throws css::lang::IndexOutOfBoundsException if the specified character position is invalid (outside 0..len-1). */
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void ensureValidIndex( sal_Int32 nIndex ) const;
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/** @throws css::lang::IndexOutOfBoundsException if the specified character position is invalid (outside 0..len). */
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void ensureValidIndexWithEnd( sal_Int32 nIndex ) const;
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/** @throws css::lang::IndexOutOfBoundsException if the specified character range [Start,End) is invalid.
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@descr If Start>End, swaps Start and End before checking. */
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void ensureValidRange( sal_Int32& rnStartIndex, sal_Int32& rnEndIndex ) const;
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/** Returns the VCL ruler control. Assumes a living object. */
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ScCsvRuler& implGetRuler() const;
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/** Builds the entire string buffer.
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@throws css::uno::RuntimeException
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*/
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void constructStringBuffer();
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/** Returns the character count of the text. */
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sal_Int32 implGetTextLength() const;
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/** Returns true, if the character at the specified index has a split. */
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bool implHasSplit( sal_Int32 nApiPos );
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/** Returns the first character index with equal formatting as at nApiPos. */
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sal_Int32 implGetFirstEqualFormatted( sal_Int32 nApiPos );
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/** Returns the last character index with equal formatting as at nApiPos. */
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sal_Int32 implGetLastEqualFormatted( sal_Int32 nApiPos );
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};
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class ScCsvGrid;
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class ScAccessibleCsvCell;
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/** Accessible class representing the CSV grid control. */
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class ScAccessibleCsvGrid : public cppu::ImplInheritanceHelper<
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ScAccessibleCsvControl,
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css::accessibility::XAccessible,
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css::accessibility::XAccessibleTable,
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css::accessibility::XAccessibleSelection>
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{
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protected:
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typedef std::map< sal_Int64, rtl::Reference<ScAccessibleCsvCell> > XAccessibleSet;
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private:
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XAccessibleSet maAccessibleChildren;
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public:
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explicit ScAccessibleCsvGrid( ScCsvGrid& rGrid );
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virtual ~ScAccessibleCsvGrid() override;
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virtual void SAL_CALL disposing() override;
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// XAccessibleComponent ---------------------------------------------------
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virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) override { return this; }
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
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/** Returns the cell at the specified point. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleAtPoint( const css::awt::Point& rPoint ) override;
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virtual OUString SAL_CALL getAccessibleDescription( ) override;
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virtual OUString SAL_CALL getAccessibleName( ) override;
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virtual sal_Int32 SAL_CALL getForeground( ) override;
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virtual sal_Int32 SAL_CALL getBackground( ) override;
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virtual sal_Int16 SAL_CALL getAccessibleRole( ) override { return css::accessibility::AccessibleRole::TABLE; }
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// XAccessibleContext -----------------------------------------------------
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/** Returns the child count (count of cells in the table). */
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virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
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/** Returns the specified child cell. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 nIndex ) override;
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/** Returns the relation to the ruler control. */
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virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
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/** Returns the current set of states. */
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virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
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// XAccessibleTable -------------------------------------------------------
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/** Returns the number of rows in the table. */
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virtual sal_Int32 SAL_CALL getAccessibleRowCount() override;
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/** Returns the number of columns in the table. */
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virtual sal_Int32 SAL_CALL getAccessibleColumnCount() override;
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/** Returns the description of the specified row in the table. */
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virtual OUString SAL_CALL getAccessibleRowDescription( sal_Int32 nRow ) override;
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/** Returns the description text of the specified column in the table. */
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virtual OUString SAL_CALL getAccessibleColumnDescription( sal_Int32 nColumn ) override;
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/** Returns the number of rows occupied at a specified row and column.
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@descr Returns always 1 (Merged cells not supported). */
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virtual sal_Int32 SAL_CALL getAccessibleRowExtentAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
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/** Returns the number of rows occupied at a specified row and column.
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@descr Returns always 1 (Merged cells not supported). */
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virtual sal_Int32 SAL_CALL getAccessibleColumnExtentAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
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/** Returns the row headers as an AccessibleTable. */
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virtual css::uno::Reference< css::accessibility::XAccessibleTable > SAL_CALL getAccessibleRowHeaders() override;
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/** Returns the column headers as an AccessibleTable. */
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virtual css::uno::Reference< css::accessibility::XAccessibleTable > SAL_CALL getAccessibleColumnHeaders() override;
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/** Returns the selected rows as a sequence. */
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virtual css::uno::Sequence< sal_Int32 > SAL_CALL getSelectedAccessibleRows() override;
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/** Returns the selected columns as a sequence. */
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virtual css::uno::Sequence< sal_Int32 > SAL_CALL getSelectedAccessibleColumns() override;
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/** Returns true, if the specified row is selected. */
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virtual sal_Bool SAL_CALL isAccessibleRowSelected( sal_Int32 nRow ) override;
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/** Returns true, if the specified column is selected. */
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virtual sal_Bool SAL_CALL isAccessibleColumnSelected( sal_Int32 nColumn ) override;
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/** Returns the accessible cell object at the specified position. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleCellAt( sal_Int32 nRow, sal_Int32 nColumn ) override;
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/** Returns the caption object of the table. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleCaption() override;
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/** Returns the summary description object of the table. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleSummary() override;
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/** Returns true, if the cell at a specified position is selected. */
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virtual sal_Bool SAL_CALL isAccessibleSelected( sal_Int32 nRow, sal_Int32 nColumn ) override;
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/** Returns the child index of the cell at the specified position. */
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virtual sal_Int64 SAL_CALL getAccessibleIndex( sal_Int32 nRow, sal_Int32 nColumn ) override;
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/** Returns the row index of the specified child. */
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virtual sal_Int32 SAL_CALL getAccessibleRow( sal_Int64 nChildIndex ) override;
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/** Returns the column index of the specified child. */
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virtual sal_Int32 SAL_CALL getAccessibleColumn( sal_Int64 nChildIndex ) override;
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// XAccessibleSelection ---------------------------------------------------
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/** Selects the specified child (selects the entire column or the entire table). */
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virtual void SAL_CALL selectAccessibleChild( sal_Int64 nChildIndex ) override;
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/** Returns true, if the specified child is selected. */
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virtual sal_Bool SAL_CALL isAccessibleChildSelected( sal_Int64 nChildIndex ) override;
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/** Deselects all cells. */
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virtual void SAL_CALL clearAccessibleSelection() override;
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/** Selects all cells. */
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virtual void SAL_CALL selectAllAccessibleChildren() override;
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/** Returns the count of selected children. */
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virtual sal_Int64 SAL_CALL getSelectedAccessibleChildCount() override;
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/** Returns the child with the specified index in all selected children. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex ) override;
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/** Deselects the child with the specified index in all selected children. */
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virtual void SAL_CALL deselectAccessibleChild( sal_Int64 nSelectedChildIndex ) override;
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// events -----------------------------------------------------------------
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public:
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/** Sends a GetFocus or LoseFocus event to all listeners. */
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virtual void SendFocusEvent( bool bFocused ) override;
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/** Sends a table model changed event for changed cell contents to all listeners. */
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virtual void SendTableUpdateEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn, bool bAllRows ) override;
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/** Sends a table model changed event for an inserted column to all listeners. */
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virtual void SendInsertColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ) override;
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/** Sends a table model changed event for a removed column to all listeners. */
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virtual void SendRemoveColumnEvent( sal_uInt32 nFirstColumn, sal_uInt32 nLastColumn ) override;
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// helpers ----------------------------------------------------------------
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private:
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/** @throws css::lang::IndexOutOfBoundsException if nIndex is not a valid child index. */
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void ensureValidIndex( sal_Int64 nIndex ) const;
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/** @Throws css::lang::IndexOutOfBoundsException if the specified position is invalid. */
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void ensureValidPosition( sal_Int32 nRow, sal_Int32 nColumn ) const;
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/** Returns the VCL grid control. Assumes a living object. */
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ScCsvGrid& implGetGrid() const;
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/** Returns true, if the specified column (including header) is selected. */
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bool implIsColumnSelected( sal_Int32 nColumn ) const;
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/** Selects the specified column (including header). */
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void implSelectColumn( sal_Int32 nColumn, bool bSelect );
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/** Returns the count of visible rows in the table (including header). */
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sal_Int32 implGetRowCount() const;
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/** Returns the total column count in the table (including header). */
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sal_Int32 implGetColumnCount() const;
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/** Returns the count of selected columns in the table. */
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sal_Int32 implGetSelColumnCount() const;
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/** Returns the total cell count in the table (including header). */
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sal_Int64 implGetCellCount() const { return static_cast<sal_Int64>(implGetRowCount()) * static_cast<sal_Int64>(implGetColumnCount()); }
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/** Returns the row index from cell index (including header). */
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sal_Int32 implGetRow( sal_Int64 nIndex ) const { return nIndex / implGetColumnCount(); }
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/** Returns the column index from cell index (including header). */
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sal_Int32 implGetColumn( sal_Int64 nIndex ) const { return nIndex % implGetColumnCount(); }
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/** Returns the absolute column index of the nSelColumn-th selected column. */
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sal_Int32 implGetSelColumn( sal_Int32 nSelColumn ) const;
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/** Returns the child index from cell position (including header). */
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sal_Int64 implGetIndex( sal_Int32 nRow, sal_Int32 nColumn ) const { return static_cast<sal_Int64>(nRow) * static_cast<sal_Int64>(implGetColumnCount()) + nColumn; }
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/** Returns the contents of the specified cell (including header). Indexes must be valid. */
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OUString implGetCellText( sal_Int32 nRow, sal_Int32 nColumn ) const;
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/** Creates a new accessible object of the specified cell. Indexes must be valid. */
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rtl::Reference<ScAccessibleCsvCell> implCreateCellObj(sal_Int32 nRow, sal_Int32 nColumn);
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css::uno::Reference<css::accessibility::XAccessible> getAccessibleCell(sal_Int32 nRow, sal_Int32 nColumn);
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};
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/** Accessible class representing a cell of the CSV grid control. */
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class ScAccessibleCsvCell : public cppu::ImplInheritanceHelper<
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ScAccessibleCsvControl,
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css::accessibility::XAccessible>
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, public ::accessibility::AccessibleStaticTextBase
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{
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protected:
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typedef ::std::unique_ptr< SvxEditSource > SvxEditSourcePtr;
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private:
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OUString maCellText; /// The text contents of this cell.
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sal_Int32 mnLine; /// The grid line index (core index).
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sal_uInt32 mnColumn; /// The grid column index (core index).
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sal_Int32 mnIndex; /// The index of the cell in the table.
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public:
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explicit ScAccessibleCsvCell(
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ScCsvGrid& rGrid,
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OUString aCellText,
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sal_Int32 nRow, sal_Int32 nColumn);
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virtual ~ScAccessibleCsvCell() override;
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virtual void SAL_CALL disposing() override;
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// XAccessibleComponent ---------------------------------------------------
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/** Sets the focus to the column of this cell. */
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virtual void SAL_CALL grabFocus() override;
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleParent( ) override;
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virtual css::uno::Reference< css::accessibility::XAccessibleContext > SAL_CALL getAccessibleContext( ) override { return this; }
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virtual OUString SAL_CALL getAccessibleDescription( ) override;
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virtual OUString SAL_CALL getAccessibleName( ) override;
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virtual sal_Int16 SAL_CALL getAccessibleRole( ) override { return css::accessibility::AccessibleRole::TEXT; }
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virtual sal_Int32 SAL_CALL getForeground( ) override;
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virtual sal_Int32 SAL_CALL getBackground( ) override;
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// XAccessibleContext -----------------------------------------------------
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/** Returns the child count. */
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virtual sal_Int64 SAL_CALL getAccessibleChildCount() override;
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/** Returns the specified child. */
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virtual css::uno::Reference< css::accessibility::XAccessible > SAL_CALL getAccessibleChild( sal_Int64 nIndex ) override;
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/** Returns the index of this cell in the table. */
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virtual sal_Int64 SAL_CALL getAccessibleIndexInParent() override;
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/** Returns the relation to the ruler control. */
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virtual css::uno::Reference< css::accessibility::XAccessibleRelationSet > SAL_CALL getAccessibleRelationSet() override;
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/** Returns the current set of states. */
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virtual sal_Int64 SAL_CALL getAccessibleStateSet() override;
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// XInterface -------------------------------------------------------------
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DECLARE_XINTERFACE()
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// XTypeProvider ----------------------------------------------------------
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DECLARE_XTYPEPROVIDER()
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private:
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/** Returns the VCL grid control. Assumes a living object. */
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ScCsvGrid& implGetGrid() const;
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/** Returns the pixel position of the cell (rel. to parent), regardless of visibility. */
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Point implGetRealPos() const;
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/** Returns the width of the character count */
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sal_uInt32 implCalcPixelWidth(sal_uInt32 nChars) const;
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/** Returns the pixel size of the cell, regardless of visibility. */
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Size implGetRealSize() const;
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/** Returns the bounding box of the cell relative in the table. */
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virtual css::awt::Rectangle implGetBounds() override;
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/** Creates the edit source the text helper needs. */
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::std::unique_ptr< SvxEditSource > implCreateEditSource();
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};
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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