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libreoffice/svx/source/accessibility/svxpixelctlaccessiblecontext.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

445 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 <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleEventId.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <toolkit/helper/vclunohelper.hxx>
#include <utility>
#include <vcl/svapp.hxx>
#include <vcl/settings.hxx>
#include <vcl/unohelp.hxx>
#include <osl/mutex.hxx>
#include <tools/debug.hxx>
#include <tools/gen.hxx>
#include <svx/dlgctrl.hxx>
#include <svxpixelctlaccessiblecontext.hxx>
using namespace ::cppu;
using namespace ::osl;
using namespace ::com::sun::star;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::accessibility;
SvxPixelCtlAccessible::SvxPixelCtlAccessible(SvxPixelCtl* pControl)
: mpPixelCtl(pControl)
{
}
SvxPixelCtlAccessible::~SvxPixelCtlAccessible()
{
ensureDisposed();
}
uno::Reference< XAccessibleContext > SvxPixelCtlAccessible::getAccessibleContext( )
{
return this;
}
sal_Int64 SvxPixelCtlAccessible::getAccessibleChildCount( )
{
return SvxPixelCtl::GetSquares();
}
uno::Reference< XAccessible > SvxPixelCtlAccessible::getAccessibleChild( sal_Int64 i )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( i < 0 || i >= getAccessibleChildCount())
throw lang::IndexOutOfBoundsException();
Reference< XAccessible > xChild;
if (mpPixelCtl)
xChild = CreateChild(i, mpPixelCtl->IndexToPoint(i));
return xChild;
}
uno::Reference< XAccessible > SvxPixelCtlAccessible::getAccessibleParent( )
{
::osl::MutexGuard aGuard( m_aMutex );
if (mpPixelCtl)
return mpPixelCtl->getAccessibleParent();
return uno::Reference<css::accessibility::XAccessible>();
}
sal_Int16 SvxPixelCtlAccessible::getAccessibleRole( )
{
return AccessibleRole::LIST;
}
OUString SvxPixelCtlAccessible::getAccessibleDescription( )
{
::osl::MutexGuard aGuard( m_aMutex );
return mpPixelCtl ? mpPixelCtl->GetAccessibleDescription() : u""_ustr;
}
OUString SvxPixelCtlAccessible::getAccessibleName( )
{
::osl::MutexGuard aGuard( m_aMutex );
return mpPixelCtl ? mpPixelCtl->GetAccessibleName() : u""_ustr;
}
Reference< XAccessibleRelationSet > SAL_CALL SvxPixelCtlAccessible::getAccessibleRelationSet()
{
if (mpPixelCtl)
return mpPixelCtl->get_accessible_relation_set();
return uno::Reference<css::accessibility::XAccessibleRelationSet>();
}
sal_Int64 SvxPixelCtlAccessible::getAccessibleStateSet( )
{
::osl::MutexGuard aGuard( m_aMutex );
sal_Int64 nStateSet = 0;
if (mpPixelCtl)
{
nStateSet |=
AccessibleStateType::FOCUSABLE |
AccessibleStateType::SELECTABLE |
AccessibleStateType::SHOWING |
AccessibleStateType::VISIBLE |
AccessibleStateType::OPAQUE;
if (mpPixelCtl->IsEnabled())
nStateSet |= AccessibleStateType::ENABLED;
if (mpPixelCtl->HasFocus())
nStateSet |= AccessibleStateType::FOCUSED;
nStateSet |= AccessibleStateType::MANAGES_DESCENDANTS;
}
return nStateSet;
}
uno::Reference<XAccessible > SAL_CALL SvxPixelCtlAccessible::getAccessibleAtPoint (
const awt::Point& rPoint)
{
::osl::MutexGuard aGuard( m_aMutex );
Reference< XAccessible > xRet;
if (mpPixelCtl)
{
tools::Long nIndex = mpPixelCtl->PointToIndex(Point(rPoint.X, rPoint.Y));
xRet = CreateChild(nIndex, mpPixelCtl->IndexToPoint(nIndex));
}
return xRet;
}
awt::Rectangle SvxPixelCtlAccessible::implGetBounds()
{
::osl::MutexGuard aGuard( m_aMutex );
awt::Rectangle aRet;
if (mpPixelCtl)
{
const Point aOutPos;
Size aOutSize(mpPixelCtl->GetOutputSizePixel());
aRet.X = aOutPos.X();
aRet.Y = aOutPos.Y();
aRet.Width = aOutSize.Width();
aRet.Height = aOutSize.Height();
}
return aRet;
}
void SvxPixelCtlAccessible::grabFocus( )
{
::osl::MutexGuard aGuard( m_aMutex );
if (mpPixelCtl)
mpPixelCtl->GrabFocus();
}
sal_Int32 SvxPixelCtlAccessible::getForeground( )
{
::osl::MutexGuard aGuard( m_aMutex );
//see SvxPixelCtl::Paint
const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings();
return sal_Int32(rStyles.GetLabelTextColor());
}
sal_Int32 SvxPixelCtlAccessible::getBackground( )
{
::osl::MutexGuard aGuard( m_aMutex );
//see SvxPixelCtl::Paint
const StyleSettings& rStyles = Application::GetSettings().GetStyleSettings();
return sal_Int32(rStyles.GetDialogColor());
}
void SvxPixelCtlAccessible::implSelect(sal_Int64 nChildIndex, bool bSelect)
{
::osl::MutexGuard aGuard( m_aMutex );
if ( nChildIndex < 0 || nChildIndex >= getAccessibleChildCount())
throw lang::IndexOutOfBoundsException();
if (!mpPixelCtl)
return;
tools::Long nIndex = mpPixelCtl->ShowPosition(mpPixelCtl->IndexToPoint(nChildIndex));
NotifyChild(nIndex, bSelect, false);
}
bool SvxPixelCtlAccessible::implIsSelected(sal_Int64 nChildIndex)
{
::osl::MutexGuard aGuard( m_aMutex );
if (!mpPixelCtl)
return false;
return mpPixelCtl->GetFocusPosIndex() == nChildIndex;
}
void SAL_CALL SvxPixelCtlAccessible::disposing()
{
::osl::MutexGuard aGuard(m_aMutex);
OAccessibleSelectionHelper::disposing();
m_xCurChild.clear();
mpPixelCtl = nullptr;
}
void SvxPixelCtlAccessible::NotifyChild(tools::Long nIndex,bool bSelect ,bool bCheck)
{
DBG_ASSERT( !(!bSelect && !bCheck),"" );//non is false
rtl::Reference<SvxPixelCtlAccessibleChild> pChild = m_xCurChild;
if (pChild && pChild->getAccessibleIndexInParent() == nIndex )
{
if (bSelect)
{
pChild->SelectChild(true);
}
if (bCheck)
{
pChild->ChangePixelColorOrBG(mpPixelCtl->GetBitmapPixel(sal_uInt16(nIndex)) != 0);
pChild->CheckChild();
}
return;
}
rtl::Reference<SvxPixelCtlAccessibleChild> xNewChild = CreateChild(nIndex, mpPixelCtl->IndexToPoint(nIndex));
DBG_ASSERT(xNewChild,"Child Must be Valid");
Any aNewValue,aOldValue;
aNewValue <<= uno::Reference<XAccessible>(xNewChild);
NotifyAccessibleEvent(AccessibleEventId::ACTIVE_DESCENDANT_CHANGED, aOldValue, aNewValue);
if (bSelect)
{
if (pChild)
{
pChild->SelectChild(false);
}
xNewChild->SelectChild(true);
}
if (bCheck)
{
xNewChild->CheckChild();
}
m_xCurChild = std::move(xNewChild);
}
rtl::Reference<SvxPixelCtlAccessibleChild> SvxPixelCtlAccessible::CreateChild (tools::Long nIndex,Point mPoint)
{
bool bPixelColorOrBG = mpPixelCtl->GetBitmapPixel(sal_uInt16(nIndex)) != 0;
Size size(mpPixelCtl->GetWidth() / SvxPixelCtl::GetLineCount(), mpPixelCtl->GetHeight() / SvxPixelCtl::GetLineCount());
rtl::Reference<SvxPixelCtlAccessibleChild> xChild = new SvxPixelCtlAccessibleChild(*mpPixelCtl,
bPixelColorOrBG,
tools::Rectangle(mPoint,size),
this,
nIndex);
return xChild;
}
void SvxPixelCtlAccessibleChild::CheckChild()
{
Any aChecked;
aChecked <<= AccessibleStateType::CHECKED;
if (m_bPixelColorOrBG)//Current Child State
{
NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(), aChecked);
}
else
{
NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aChecked, Any());
}
}
void SvxPixelCtlAccessibleChild::SelectChild( bool bSelect)
{
Any aSelected;
aSelected <<= AccessibleStateType::SELECTED;
if (bSelect)
{
NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, Any(), aSelected);
}
else
{
NotifyAccessibleEvent(AccessibleEventId::STATE_CHANGED, aSelected, Any());
}
}
SvxPixelCtlAccessibleChild::SvxPixelCtlAccessibleChild( SvxPixelCtl& rWindow, bool bPixelColorOrBG,
const tools::Rectangle& rBoundingBox, rtl::Reference<SvxPixelCtlAccessible> xParent,
tools::Long nIndexInParent)
: mrParentWindow( rWindow )
, mxParent(std::move(xParent))
, m_bPixelColorOrBG(bPixelColorOrBG)
, maBoundingBox( rBoundingBox )
, mnIndexInParent( nIndexInParent )
{
}
SvxPixelCtlAccessibleChild::~SvxPixelCtlAccessibleChild()
{
ensureDisposed();
}
// XAccessible
uno::Reference< XAccessibleContext> SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleContext()
{
return this;
}
uno::Reference< XAccessible > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleAtPoint( const awt::Point& )
{
return uno::Reference< XAccessible >();
}
void SAL_CALL SvxPixelCtlAccessibleChild::grabFocus()
{
}
sal_Int32 SvxPixelCtlAccessibleChild::getForeground()
{
::osl::MutexGuard aGuard( m_aMutex );
return mxParent.is() ? mxParent->getForeground() : -1;
}
sal_Int32 SvxPixelCtlAccessibleChild::getBackground()
{
::osl::MutexGuard aGuard( m_aMutex );
return mxParent.is() ? mxParent->getBackground() : -1;
}
// XAccessibleContext
sal_Int64 SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleChildCount()
{
return 0;
}
uno::Reference< XAccessible > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleChild( sal_Int64 )
{
throw lang::IndexOutOfBoundsException();
}
uno::Reference< XAccessible > SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleParent()
{
return mxParent;
}
sal_Int16 SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleRole()
{
return AccessibleRole::CHECK_BOX;
}
OUString SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleDescription()
{
::osl::MutexGuard aGuard( m_aMutex );
return GetName();
}
OUString SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleName()
{
::osl::MutexGuard aGuard( m_aMutex );
return GetName();
}
/** Return empty uno::Reference to indicate that the relation set is not
supported.
*/
uno::Reference<XAccessibleRelationSet> SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleRelationSet()
{
return uno::Reference< XAccessibleRelationSet >();
}
sal_Int64 SAL_CALL SvxPixelCtlAccessibleChild::getAccessibleStateSet()
{
::osl::MutexGuard aGuard( m_aMutex );
sal_Int64 nStateSet = 0;
if (!rBHelper.bDisposed)
{
nStateSet |= AccessibleStateType::TRANSIENT;
nStateSet |= AccessibleStateType::ENABLED;
nStateSet |= AccessibleStateType::OPAQUE;
nStateSet |= AccessibleStateType::SELECTABLE;
nStateSet |= AccessibleStateType::SHOWING;
nStateSet |= AccessibleStateType::VISIBLE;
tools::Long nIndex = mrParentWindow.GetFocusPosIndex();
if ( nIndex == mnIndexInParent)
{
nStateSet |= AccessibleStateType::SELECTED;
}
if (mrParentWindow.GetBitmapPixel(sal_uInt16(mnIndexInParent)))
{
nStateSet |= AccessibleStateType::CHECKED;
}
}
else
nStateSet |= AccessibleStateType::DEFUNC;
return nStateSet;
}
void SAL_CALL SvxPixelCtlAccessibleChild::disposing()
{
OAccessibleComponentHelper::disposing();
mxParent.clear();
}
awt::Rectangle SvxPixelCtlAccessibleChild::implGetBounds()
{
// no guard necessary, because no one changes maBoundingBox after creating it
return vcl::unohelper::ConvertToAWTRect(maBoundingBox);
}
OUString SvxPixelCtlAccessibleChild::GetName() const
{
sal_Int32 nXIndex = mnIndexInParent % SvxPixelCtl::GetLineCount();
sal_Int32 nYIndex = mnIndexInParent / SvxPixelCtl::GetLineCount();
OUString str = "("
+ OUString::number(nXIndex)
+ ","
+ OUString::number(nYIndex)
+ ")";
return str;
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */