405 lines
12 KiB
C++
405 lines
12 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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#include <sal/config.h>
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#include <tools/gen.hxx>
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#include <AccessibleText.hxx>
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#include <editsrc.hxx>
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#include <svx/AccessibleTextHelper.hxx>
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#include <AccessiblePreviewHeaderCell.hxx>
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#include <prevwsh.hxx>
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#include <prevloc.hxx>
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#include <strings.hxx>
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#include <com/sun/star/accessibility/AccessibleRole.hpp>
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#include <com/sun/star/accessibility/AccessibleStateType.hpp>
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#include <comphelper/sequence.hxx>
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#include <vcl/window.hxx>
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#include <vcl/svapp.hxx>
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#include <vcl/unohelp.hxx>
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#include <svl/hint.hxx>
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#include <toolkit/helper/vclunohelper.hxx>
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#ifdef indices
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#undef indices
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#endif
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#ifdef extents
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#undef extents
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#endif
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using namespace ::com::sun::star;
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using namespace ::com::sun::star::accessibility;
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//===== internal ============================================================
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ScAccessiblePreviewHeaderCell::ScAccessiblePreviewHeaderCell( const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
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ScPreviewShell* pViewShell,
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const ScAddress& rCellPos, bool bIsColHdr, bool bIsRowHdr,
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sal_Int32 nIndex ) :
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ScAccessibleContextBase( rxParent, AccessibleRole::TABLE_CELL ),
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mpViewShell( pViewShell ),
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mnIndex( nIndex ),
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maCellPos( rCellPos ),
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mbColumnHeader( bIsColHdr ),
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mbRowHeader( bIsRowHdr )
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{
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if (mpViewShell)
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mpViewShell->AddAccessibilityObject(*this);
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}
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ScAccessiblePreviewHeaderCell::~ScAccessiblePreviewHeaderCell()
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{
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if (mpViewShell)
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mpViewShell->RemoveAccessibilityObject(*this);
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}
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void SAL_CALL ScAccessiblePreviewHeaderCell::disposing()
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{
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SolarMutexGuard aGuard;
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if (mpViewShell)
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{
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mpViewShell->RemoveAccessibilityObject(*this);
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mpViewShell = nullptr;
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}
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mpTableInfo.reset();
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ScAccessibleContextBase::disposing();
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}
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//===== SfxListener =====================================================
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void ScAccessiblePreviewHeaderCell::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
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{
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const SfxHintId nId = rHint.GetId();
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if (nId == SfxHintId::ScAccVisAreaChanged)
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{
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if (mxTextHelper)
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mxTextHelper->UpdateChildren();
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}
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else if ( nId == SfxHintId::DataChanged )
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{
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// column / row layout may change with any document change,
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// so it must be invalidated
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mpTableInfo.reset();
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}
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ScAccessibleContextBase::Notify(rBC, rHint);
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}
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//===== XInterface =====================================================
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uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::queryInterface( uno::Type const & rType )
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{
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uno::Any aAny (ScAccessiblePreviewHeaderCellImpl::queryInterface(rType));
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return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
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}
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void SAL_CALL ScAccessiblePreviewHeaderCell::acquire()
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noexcept
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{
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ScAccessibleContextBase::acquire();
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}
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void SAL_CALL ScAccessiblePreviewHeaderCell::release()
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noexcept
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{
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ScAccessibleContextBase::release();
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}
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//===== XAccessibleValue ================================================
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uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getCurrentValue()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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double fValue(0.0);
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if (mbColumnHeader)
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fValue = maCellPos.Col();
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else
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fValue = maCellPos.Row();
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return uno::Any(fValue);
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}
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sal_Bool SAL_CALL ScAccessiblePreviewHeaderCell::setCurrentValue( const uno::Any& /* aNumber */ )
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{
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// it is not possible to set a value
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return false;
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}
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uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMaximumValue()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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double fValue(0.0);
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ScDocument& rDoc = mpViewShell->GetDocument();
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if (mbColumnHeader)
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fValue = rDoc.MaxCol();
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else
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fValue = rDoc.MaxRow();
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return uno::Any(fValue);
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}
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uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMinimumValue()
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{
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return uno::Any(0.0);
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}
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uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMinimumIncrement()
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{
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// value can't be changed, s. 'setCurrentValue'
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return uno::Any();
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}
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//===== XAccessibleComponent ============================================
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleAtPoint( const awt::Point& rPoint )
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{
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uno::Reference<XAccessible> xRet;
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if (containsPoint(rPoint))
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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if(!mxTextHelper)
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CreateTextHelper();
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xRet = mxTextHelper->GetAt(rPoint);
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}
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return xRet;
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}
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void SAL_CALL ScAccessiblePreviewHeaderCell::grabFocus()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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if (getAccessibleParent().is())
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{
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uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
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if (xAccessibleComponent.is())
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xAccessibleComponent->grabFocus();
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}
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}
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//===== XAccessibleContext ==============================================
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sal_Int64 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleChildCount()
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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if (!mxTextHelper)
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CreateTextHelper();
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return mxTextHelper->GetChildCount();
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}
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uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleChild(sal_Int64 nIndex)
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{
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SolarMutexGuard aGuard;
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IsObjectValid();
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if (!mxTextHelper)
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CreateTextHelper();
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return mxTextHelper->GetChild(nIndex);
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}
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sal_Int64 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleIndexInParent()
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{
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return mnIndex;
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}
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sal_Int64 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleStateSet()
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{
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SolarMutexGuard aGuard;
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sal_Int64 nParentStates = 0;
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if (getAccessibleParent().is())
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{
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uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
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nParentStates = xParentContext->getAccessibleStateSet();
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}
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sal_Int64 nStateSet = 0;
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if (IsDefunc(nParentStates))
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nStateSet |= AccessibleStateType::DEFUNC;
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else
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{
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nStateSet |= AccessibleStateType::ENABLED;
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nStateSet |= AccessibleStateType::MULTI_LINE;
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if (isShowing())
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nStateSet |= AccessibleStateType::SHOWING;
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nStateSet |= AccessibleStateType::TRANSIENT;
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if (isVisible())
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nStateSet |= AccessibleStateType::VISIBLE;
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}
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return nStateSet;
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}
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//===== XServiceInfo ====================================================
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OUString SAL_CALL ScAccessiblePreviewHeaderCell::getImplementationName()
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{
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return u"ScAccessiblePreviewHeaderCell"_ustr;
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}
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uno::Sequence<OUString> SAL_CALL ScAccessiblePreviewHeaderCell::getSupportedServiceNames()
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{
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const css::uno::Sequence<OUString> vals { u"com.sun.star.table.AccessibleCellView"_ustr };
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return comphelper::concatSequences(ScAccessibleContextBase::getSupportedServiceNames(), vals);
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}
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//===== XTypeProvider =======================================================
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uno::Sequence< uno::Type > SAL_CALL ScAccessiblePreviewHeaderCell::getTypes()
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{
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return comphelper::concatSequences(ScAccessiblePreviewHeaderCellImpl::getTypes(), ScAccessibleContextBase::getTypes());
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}
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uno::Sequence<sal_Int8> SAL_CALL
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ScAccessiblePreviewHeaderCell::getImplementationId()
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{
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return css::uno::Sequence<sal_Int8>();
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}
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//==== internal =========================================================
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AbsoluteScreenPixelRectangle ScAccessiblePreviewHeaderCell::GetBoundingBoxOnScreen() const
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{
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tools::Rectangle aCellRect;
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FillTableInfo();
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if (mpTableInfo)
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{
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const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[maCellPos.Col()];
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const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[maCellPos.Row()];
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aCellRect = tools::Rectangle( rColInfo.nPixelStart, rRowInfo.nPixelStart, rColInfo.nPixelEnd, rRowInfo.nPixelEnd );
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}
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if (mpViewShell)
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{
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vcl::Window* pWindow = mpViewShell->GetWindow();
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if (pWindow)
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{
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AbsoluteScreenPixelRectangle aRect = pWindow->GetWindowExtentsAbsolute();
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aCellRect.Move(aRect.Left(), aRect.Top());
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}
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}
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return AbsoluteScreenPixelRectangle(aCellRect);
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}
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tools::Rectangle ScAccessiblePreviewHeaderCell::GetBoundingBox() const
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{
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FillTableInfo();
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if (mpTableInfo)
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{
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const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[maCellPos.Col()];
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const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[maCellPos.Row()];
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tools::Rectangle aCellRect( rColInfo.nPixelStart, rRowInfo.nPixelStart, rColInfo.nPixelEnd, rRowInfo.nPixelEnd );
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uno::Reference<XAccessible> xAccParent = const_cast<ScAccessiblePreviewHeaderCell*>(this)->getAccessibleParent();
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if (xAccParent.is())
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{
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uno::Reference<XAccessibleContext> xAccParentContext = xAccParent->getAccessibleContext();
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uno::Reference<XAccessibleComponent> xAccParentComp (xAccParentContext, uno::UNO_QUERY);
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if (xAccParentComp.is())
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{
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tools::Rectangle aParentRect(
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vcl::unohelper::ConvertToVCLRect(xAccParentComp->getBounds()));
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aCellRect.Move(-aParentRect.Left(), -aParentRect.Top());
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}
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}
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return aCellRect;
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}
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return tools::Rectangle();
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}
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OUString ScAccessiblePreviewHeaderCell::createAccessibleDescription()
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{
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return STR_ACC_HEADERCELL_DESCR;
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}
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OUString ScAccessiblePreviewHeaderCell::createAccessibleName()
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{
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OUString sName = STR_ACC_HEADERCELL_NAME;
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if ( mbColumnHeader )
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{
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if ( mbRowHeader )
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{
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//! name for corner cell?
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// sName = "Column/Row Header";
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}
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else
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{
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// name of column header
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sName += ScColToAlpha( maCellPos.Col() );
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}
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}
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else
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{
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// name of row header
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sName += OUString::number( maCellPos.Row() + 1 );
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}
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return sName;
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}
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bool ScAccessiblePreviewHeaderCell::IsDefunc( sal_Int64 nParentStates )
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{
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return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
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(nParentStates & AccessibleStateType::DEFUNC);
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}
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void ScAccessiblePreviewHeaderCell::CreateTextHelper()
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{
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if (!mxTextHelper)
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{
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mxTextHelper.reset( new ::accessibility::AccessibleTextHelper(
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std::make_unique<ScAccessibilityEditSource>(
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std::make_unique<ScAccessiblePreviewHeaderCellTextData>(
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mpViewShell, getAccessibleName(), maCellPos,
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mbColumnHeader, mbRowHeader))) );
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mxTextHelper->SetEventSource(this);
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}
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}
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void ScAccessiblePreviewHeaderCell::FillTableInfo() const
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{
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if ( mpViewShell && !mpTableInfo )
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{
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Size aOutputSize;
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vcl::Window* pWindow = mpViewShell->GetWindow();
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if ( pWindow )
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aOutputSize = pWindow->GetOutputSizePixel();
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tools::Rectangle aVisRect( Point(), aOutputSize );
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mpTableInfo.reset( new ScPreviewTableInfo );
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mpViewShell->GetLocationData().GetTableInfo( aVisRect, *mpTableInfo );
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}
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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