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libreoffice/vcl/source/accessibility/accessiblemenucomponent.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

382 lines
8.8 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 <accessibility/accessiblemenucomponent.hxx>
#include <com/sun/star/accessibility/AccessibleRole.hpp>
#include <com/sun/star/accessibility/AccessibleStateType.hpp>
#include <com/sun/star/awt/XDevice.hpp>
#include <com/sun/star/awt/XVclWindowPeer.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <comphelper/accessiblecontexthelper.hxx>
#include <unotools/accessiblerelationsethelper.hxx>
#include <vcl/svapp.hxx>
#include <vcl/window.hxx>
#include <vcl/menu.hxx>
#include <vcl/settings.hxx>
#include <vcl/unohelp.hxx>
#include <i18nlangtag/languagetag.hxx>
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star;
using namespace ::comphelper;
bool OAccessibleMenuComponent::IsEnabled()
{
return true;
}
bool OAccessibleMenuComponent::IsVisible()
{
bool bVisible = false;
if ( m_pMenu )
bVisible = m_pMenu->IsMenuVisible();
return bVisible;
}
void OAccessibleMenuComponent::FillAccessibleStateSet( sal_Int64& rStateSet )
{
if ( IsEnabled() )
{
rStateSet |= AccessibleStateType::ENABLED;
rStateSet |= AccessibleStateType::SENSITIVE;
}
rStateSet |= AccessibleStateType::FOCUSABLE;
if ( IsFocused() )
rStateSet |= AccessibleStateType::FOCUSED;
if ( IsVisible() )
{
rStateSet |= AccessibleStateType::VISIBLE;
rStateSet |= AccessibleStateType::SHOWING;
}
rStateSet |= AccessibleStateType::OPAQUE;
}
// OCommonAccessibleComponent
awt::Rectangle OAccessibleMenuComponent::implGetBounds()
{
awt::Rectangle aBounds( 0, 0, 0, 0 );
if ( m_pMenu )
{
vcl::Window* pWindow = m_pMenu->GetWindow();
if ( pWindow )
{
// get bounding rectangle of the window in screen coordinates
AbsoluteScreenPixelRectangle aRect = pWindow->GetWindowExtentsAbsolute();
aBounds = vcl::unohelper::ConvertToAWTRect(aRect);
// get position of the accessible parent in screen coordinates
Reference< XAccessible > xParent = getAccessibleParent();
if ( xParent.is() )
{
Reference< XAccessibleComponent > xParentComponent( xParent->getAccessibleContext(), UNO_QUERY );
if ( xParentComponent.is() )
{
awt::Point aParentScreenLoc = xParentComponent->getLocationOnScreen();
// calculate position of the window relative to the accessible parent
aBounds.X -= aParentScreenLoc.X;
aBounds.Y -= aParentScreenLoc.Y;
}
}
}
}
return aBounds;
}
// XAccessibleContext
sal_Int64 OAccessibleMenuComponent::getAccessibleChildCount()
{
OExternalLockGuard aGuard( this );
return GetChildCount();
}
Reference< XAccessible > OAccessibleMenuComponent::getAccessibleChild( sal_Int64 i )
{
OExternalLockGuard aGuard( this );
if ( i < 0 || i >= GetChildCount() )
throw IndexOutOfBoundsException();
return GetChild( i );
}
Reference< XAccessible > OAccessibleMenuComponent::getAccessibleParent( )
{
OExternalLockGuard aGuard( this );
Reference< XAccessible > xParent;
if ( m_pMenu )
{
vcl::Window* pWindow = m_pMenu->GetWindow();
if ( pWindow )
{
vcl::Window* pParent = pWindow->GetAccessibleParentWindow();
if ( pParent )
xParent = pParent->GetAccessible();
}
}
return xParent;
}
sal_Int16 OAccessibleMenuComponent::getAccessibleRole( )
{
OExternalLockGuard aGuard( this );
return AccessibleRole::UNKNOWN;
}
OUString OAccessibleMenuComponent::getAccessibleDescription( )
{
OExternalLockGuard aGuard( this );
OUString sDescription;
if ( m_pMenu )
{
vcl::Window* pWindow = m_pMenu->GetWindow();
if ( pWindow )
sDescription = pWindow->GetAccessibleDescription();
}
return sDescription;
}
OUString OAccessibleMenuComponent::getAccessibleName( )
{
OExternalLockGuard aGuard( this );
return OUString();
}
Reference< XAccessibleRelationSet > OAccessibleMenuComponent::getAccessibleRelationSet( )
{
OExternalLockGuard aGuard( this );
return new utl::AccessibleRelationSetHelper;
}
Locale OAccessibleMenuComponent::getLocale( )
{
OExternalLockGuard aGuard( this );
return Application::GetSettings().GetLanguageTag().getLocale();
}
// XAccessibleComponent
Reference< XAccessible > OAccessibleMenuComponent::getAccessibleAtPoint( const awt::Point& rPoint )
{
OExternalLockGuard aGuard( this );
return GetChildAt( rPoint );
}
awt::Point OAccessibleMenuComponent::getLocationOnScreen( )
{
OExternalLockGuard aGuard( this );
awt::Point aPos;
if ( m_pMenu )
{
vcl::Window* pWindow = m_pMenu->GetWindow();
if ( pWindow )
{
AbsoluteScreenPixelRectangle aRect = pWindow->GetWindowExtentsAbsolute();
aPos = vcl::unohelper::ConvertToAWTPoint(aRect.TopLeft());
}
}
return aPos;
}
void OAccessibleMenuComponent::grabFocus( )
{
OExternalLockGuard aGuard( this );
if ( m_pMenu )
{
vcl::Window* pWindow = m_pMenu->GetWindow();
if ( pWindow )
pWindow->GrabFocus();
}
}
sal_Int32 OAccessibleMenuComponent::getForeground( )
{
OExternalLockGuard aGuard( this );
const StyleSettings& rStyleSettings = Application::GetSettings().GetStyleSettings();
Color nColor = rStyleSettings.GetMenuTextColor();
return sal_Int32(nColor);
}
sal_Int32 OAccessibleMenuComponent::getBackground( )
{
OExternalLockGuard aGuard( this );
return 0;
}
// XAccessibleExtendedComponent
OUString OAccessibleMenuComponent::getTitledBorderText( )
{
OExternalLockGuard aGuard( this );
return OUString();
}
OUString OAccessibleMenuComponent::getToolTipText( )
{
OExternalLockGuard aGuard( this );
return OUString();
}
// XAccessibleSelection
void OAccessibleMenuComponent::selectAccessibleChild( sal_Int64 nChildIndex )
{
OExternalLockGuard aGuard( this );
if ( nChildIndex < 0 || nChildIndex >= GetChildCount() )
throw IndexOutOfBoundsException();
SelectChild( nChildIndex );
}
sal_Bool OAccessibleMenuComponent::isAccessibleChildSelected( sal_Int64 nChildIndex )
{
OExternalLockGuard aGuard( this );
if ( nChildIndex < 0 || nChildIndex >= GetChildCount() )
throw IndexOutOfBoundsException();
return IsChildSelected( nChildIndex );
}
void OAccessibleMenuComponent::clearAccessibleSelection( )
{
OExternalLockGuard aGuard( this );
DeSelectAll();
}
void OAccessibleMenuComponent::selectAllAccessibleChildren( )
{
// This method makes no sense in a menu, and so does nothing.
}
sal_Int64 OAccessibleMenuComponent::getSelectedAccessibleChildCount( )
{
OExternalLockGuard aGuard( this );
sal_Int64 nRet = 0;
for ( sal_Int64 i = 0, nCount = GetChildCount(); i < nCount; i++ )
{
if ( IsChildSelected( i ) )
++nRet;
}
return nRet;
}
Reference< XAccessible > OAccessibleMenuComponent::getSelectedAccessibleChild( sal_Int64 nSelectedChildIndex )
{
OExternalLockGuard aGuard( this );
if ( nSelectedChildIndex < 0 || nSelectedChildIndex >= getSelectedAccessibleChildCount() )
throw IndexOutOfBoundsException();
Reference< XAccessible > xChild;
for ( sal_Int64 i = 0, j = 0, nCount = GetChildCount(); i < nCount; i++ )
{
if ( IsChildSelected( i ) && ( j++ == nSelectedChildIndex ) )
{
xChild = GetChild( i );
break;
}
}
return xChild;
}
void OAccessibleMenuComponent::deselectAccessibleChild( sal_Int64 nChildIndex )
{
OExternalLockGuard aGuard( this );
if ( nChildIndex < 0 || nChildIndex >= GetChildCount() )
throw IndexOutOfBoundsException();
DeSelectAll();
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */