1
0
Fork 0
libreoffice/sc/source/ui/Accessibility/AccessiblePreviewHeaderCell.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

405 lines
12 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <tools/gen.hxx>
#include <AccessibleText.hxx>
#include <editsrc.hxx>
#include <svx/AccessibleTextHelper.hxx>
#include <AccessiblePreviewHeaderCell.hxx>
#include <prevwsh.hxx>
#include <prevloc.hxx>
#include <strings.hxx>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <comphelper/sequence.hxx>
#include <vcl/window.hxx>
#include <vcl/svapp.hxx>
#include <vcl/unohelp.hxx>
#include <svl/hint.hxx>
#include <toolkit/helper/vclunohelper.hxx>
#ifdef indices
#undef indices
#endif
#ifdef extents
#undef extents
#endif
using namespace ::com::sun::star;
using namespace ::com::sun::star::accessibility;
//===== internal ============================================================
ScAccessiblePreviewHeaderCell::ScAccessiblePreviewHeaderCell( const css::uno::Reference<css::accessibility::XAccessible>& rxParent,
ScPreviewShell* pViewShell,
const ScAddress& rCellPos, bool bIsColHdr, bool bIsRowHdr,
sal_Int32 nIndex ) :
ScAccessibleContextBase( rxParent, AccessibleRole::TABLE_CELL ),
mpViewShell( pViewShell ),
mnIndex( nIndex ),
maCellPos( rCellPos ),
mbColumnHeader( bIsColHdr ),
mbRowHeader( bIsRowHdr )
{
if (mpViewShell)
mpViewShell->AddAccessibilityObject(*this);
}
ScAccessiblePreviewHeaderCell::~ScAccessiblePreviewHeaderCell()
{
if (mpViewShell)
mpViewShell->RemoveAccessibilityObject(*this);
}
void SAL_CALL ScAccessiblePreviewHeaderCell::disposing()
{
SolarMutexGuard aGuard;
if (mpViewShell)
{
mpViewShell->RemoveAccessibilityObject(*this);
mpViewShell = nullptr;
}
mpTableInfo.reset();
ScAccessibleContextBase::disposing();
}
//===== SfxListener =====================================================
void ScAccessiblePreviewHeaderCell::Notify( SfxBroadcaster& rBC, const SfxHint& rHint )
{
const SfxHintId nId = rHint.GetId();
if (nId == SfxHintId::ScAccVisAreaChanged)
{
if (mxTextHelper)
mxTextHelper->UpdateChildren();
}
else if ( nId == SfxHintId::DataChanged )
{
// column / row layout may change with any document change,
// so it must be invalidated
mpTableInfo.reset();
}
ScAccessibleContextBase::Notify(rBC, rHint);
}
//===== XInterface =====================================================
uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::queryInterface( uno::Type const & rType )
{
uno::Any aAny (ScAccessiblePreviewHeaderCellImpl::queryInterface(rType));
return aAny.hasValue() ? aAny : ScAccessibleContextBase::queryInterface(rType);
}
void SAL_CALL ScAccessiblePreviewHeaderCell::acquire()
noexcept
{
ScAccessibleContextBase::acquire();
}
void SAL_CALL ScAccessiblePreviewHeaderCell::release()
noexcept
{
ScAccessibleContextBase::release();
}
//===== XAccessibleValue ================================================
uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getCurrentValue()
{
SolarMutexGuard aGuard;
IsObjectValid();
double fValue(0.0);
if (mbColumnHeader)
fValue = maCellPos.Col();
else
fValue = maCellPos.Row();
return uno::Any(fValue);
}
sal_Bool SAL_CALL ScAccessiblePreviewHeaderCell::setCurrentValue( const uno::Any& /* aNumber */ )
{
// it is not possible to set a value
return false;
}
uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMaximumValue()
{
SolarMutexGuard aGuard;
IsObjectValid();
double fValue(0.0);
ScDocument& rDoc = mpViewShell->GetDocument();
if (mbColumnHeader)
fValue = rDoc.MaxCol();
else
fValue = rDoc.MaxRow();
return uno::Any(fValue);
}
uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMinimumValue()
{
return uno::Any(0.0);
}
uno::Any SAL_CALL ScAccessiblePreviewHeaderCell::getMinimumIncrement()
{
// value can't be changed, s. 'setCurrentValue'
return uno::Any();
}
//===== XAccessibleComponent ============================================
uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleAtPoint( const awt::Point& rPoint )
{
uno::Reference<XAccessible> xRet;
if (containsPoint(rPoint))
{
SolarMutexGuard aGuard;
IsObjectValid();
if(!mxTextHelper)
CreateTextHelper();
xRet = mxTextHelper->GetAt(rPoint);
}
return xRet;
}
void SAL_CALL ScAccessiblePreviewHeaderCell::grabFocus()
{
SolarMutexGuard aGuard;
IsObjectValid();
if (getAccessibleParent().is())
{
uno::Reference<XAccessibleComponent> xAccessibleComponent(getAccessibleParent()->getAccessibleContext(), uno::UNO_QUERY);
if (xAccessibleComponent.is())
xAccessibleComponent->grabFocus();
}
}
//===== XAccessibleContext ==============================================
sal_Int64 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleChildCount()
{
SolarMutexGuard aGuard;
IsObjectValid();
if (!mxTextHelper)
CreateTextHelper();
return mxTextHelper->GetChildCount();
}
uno::Reference< XAccessible > SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleChild(sal_Int64 nIndex)
{
SolarMutexGuard aGuard;
IsObjectValid();
if (!mxTextHelper)
CreateTextHelper();
return mxTextHelper->GetChild(nIndex);
}
sal_Int64 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleIndexInParent()
{
return mnIndex;
}
sal_Int64 SAL_CALL ScAccessiblePreviewHeaderCell::getAccessibleStateSet()
{
SolarMutexGuard aGuard;
sal_Int64 nParentStates = 0;
if (getAccessibleParent().is())
{
uno::Reference<XAccessibleContext> xParentContext = getAccessibleParent()->getAccessibleContext();
nParentStates = xParentContext->getAccessibleStateSet();
}
sal_Int64 nStateSet = 0;
if (IsDefunc(nParentStates))
nStateSet |= AccessibleStateType::DEFUNC;
else
{
nStateSet |= AccessibleStateType::ENABLED;
nStateSet |= AccessibleStateType::MULTI_LINE;
if (isShowing())
nStateSet |= AccessibleStateType::SHOWING;
nStateSet |= AccessibleStateType::TRANSIENT;
if (isVisible())
nStateSet |= AccessibleStateType::VISIBLE;
}
return nStateSet;
}
//===== XServiceInfo ====================================================
OUString SAL_CALL ScAccessiblePreviewHeaderCell::getImplementationName()
{
return u"ScAccessiblePreviewHeaderCell"_ustr;
}
uno::Sequence<OUString> SAL_CALL ScAccessiblePreviewHeaderCell::getSupportedServiceNames()
{
const css::uno::Sequence<OUString> vals { u"com.sun.star.table.AccessibleCellView"_ustr };
return comphelper::concatSequences(ScAccessibleContextBase::getSupportedServiceNames(), vals);
}
//===== XTypeProvider =======================================================
uno::Sequence< uno::Type > SAL_CALL ScAccessiblePreviewHeaderCell::getTypes()
{
return comphelper::concatSequences(ScAccessiblePreviewHeaderCellImpl::getTypes(), ScAccessibleContextBase::getTypes());
}
uno::Sequence<sal_Int8> SAL_CALL
ScAccessiblePreviewHeaderCell::getImplementationId()
{
return css::uno::Sequence<sal_Int8>();
}
//==== internal =========================================================
AbsoluteScreenPixelRectangle ScAccessiblePreviewHeaderCell::GetBoundingBoxOnScreen() const
{
tools::Rectangle aCellRect;
FillTableInfo();
if (mpTableInfo)
{
const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[maCellPos.Col()];
const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[maCellPos.Row()];
aCellRect = tools::Rectangle( rColInfo.nPixelStart, rRowInfo.nPixelStart, rColInfo.nPixelEnd, rRowInfo.nPixelEnd );
}
if (mpViewShell)
{
vcl::Window* pWindow = mpViewShell->GetWindow();
if (pWindow)
{
AbsoluteScreenPixelRectangle aRect = pWindow->GetWindowExtentsAbsolute();
aCellRect.Move(aRect.Left(), aRect.Top());
}
}
return AbsoluteScreenPixelRectangle(aCellRect);
}
tools::Rectangle ScAccessiblePreviewHeaderCell::GetBoundingBox() const
{
FillTableInfo();
if (mpTableInfo)
{
const ScPreviewColRowInfo& rColInfo = mpTableInfo->GetColInfo()[maCellPos.Col()];
const ScPreviewColRowInfo& rRowInfo = mpTableInfo->GetRowInfo()[maCellPos.Row()];
tools::Rectangle aCellRect( rColInfo.nPixelStart, rRowInfo.nPixelStart, rColInfo.nPixelEnd, rRowInfo.nPixelEnd );
uno::Reference<XAccessible> xAccParent = const_cast<ScAccessiblePreviewHeaderCell*>(this)->getAccessibleParent();
if (xAccParent.is())
{
uno::Reference<XAccessibleContext> xAccParentContext = xAccParent->getAccessibleContext();
uno::Reference<XAccessibleComponent> xAccParentComp (xAccParentContext, uno::UNO_QUERY);
if (xAccParentComp.is())
{
tools::Rectangle aParentRect(
vcl::unohelper::ConvertToVCLRect(xAccParentComp->getBounds()));
aCellRect.Move(-aParentRect.Left(), -aParentRect.Top());
}
}
return aCellRect;
}
return tools::Rectangle();
}
OUString ScAccessiblePreviewHeaderCell::createAccessibleDescription()
{
return STR_ACC_HEADERCELL_DESCR;
}
OUString ScAccessiblePreviewHeaderCell::createAccessibleName()
{
OUString sName = STR_ACC_HEADERCELL_NAME;
if ( mbColumnHeader )
{
if ( mbRowHeader )
{
//! name for corner cell?
// sName = "Column/Row Header";
}
else
{
// name of column header
sName += ScColToAlpha( maCellPos.Col() );
}
}
else
{
// name of row header
sName += OUString::number( maCellPos.Row() + 1 );
}
return sName;
}
bool ScAccessiblePreviewHeaderCell::IsDefunc( sal_Int64 nParentStates )
{
return ScAccessibleContextBase::IsDefunc() || (mpViewShell == nullptr) || !getAccessibleParent().is() ||
(nParentStates & AccessibleStateType::DEFUNC);
}
void ScAccessiblePreviewHeaderCell::CreateTextHelper()
{
if (!mxTextHelper)
{
mxTextHelper.reset( new ::accessibility::AccessibleTextHelper(
std::make_unique<ScAccessibilityEditSource>(
std::make_unique<ScAccessiblePreviewHeaderCellTextData>(
mpViewShell, getAccessibleName(), maCellPos,
mbColumnHeader, mbRowHeader))) );
mxTextHelper->SetEventSource(this);
}
}
void ScAccessiblePreviewHeaderCell::FillTableInfo() const
{
if ( mpViewShell && !mpTableInfo )
{
Size aOutputSize;
vcl::Window* pWindow = mpViewShell->GetWindow();
if ( pWindow )
aOutputSize = pWindow->GetOutputSizePixel();
tools::Rectangle aVisRect( Point(), aOutputSize );
mpTableInfo.reset( new ScPreviewTableInfo );
mpViewShell->GetLocationData().GetTableInfo( aVisRect, *mpTableInfo );
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */