207 lines
6.2 KiB
C++
207 lines
6.2 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 "atkwrapper.hxx"
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#include <com/sun/star/accessibility/XAccessibleSelection.hpp>
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#include <sal/log.hxx>
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using namespace ::com::sun::star;
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/// @throws uno::RuntimeException
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static css::uno::Reference<css::accessibility::XAccessibleSelection>
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getSelection( AtkSelection *pSelection )
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{
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AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pSelection );
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if( pWrap )
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{
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if( !pWrap->mpSelection.is() )
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{
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pWrap->mpSelection.set(pWrap->mpContext, css::uno::UNO_QUERY);
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}
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return pWrap->mpSelection;
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}
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return css::uno::Reference<css::accessibility::XAccessibleSelection>();
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}
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extern "C" {
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static gboolean
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selection_add_selection( AtkSelection *selection,
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gint i )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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{
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pSelection->selectAccessibleChild( i );
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return true;
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in selectAccessibleChild()" );
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}
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return FALSE;
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}
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static gboolean
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selection_clear_selection( AtkSelection *selection )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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{
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pSelection->clearAccessibleSelection();
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return true;
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in clearAccessibleSelection()" );
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}
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return FALSE;
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}
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static AtkObject*
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selection_ref_selection( AtkSelection *selection,
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gint i )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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return atk_object_wrapper_ref( pSelection->getSelectedAccessibleChild( i ) );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getSelectedAccessibleChild()" );
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}
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return nullptr;
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}
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static gint
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selection_get_selection_count( AtkSelection *selection)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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{
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sal_Int64 nSelected = pSelection->getSelectedAccessibleChildCount();
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if (nSelected > std::numeric_limits<gint>::max())
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{
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SAL_WARN("vcl.gtk", "selection_get_selection_count: Count exceeds maximum gint value, "
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"using max gint.");
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nSelected = std::numeric_limits<gint>::max();
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}
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return nSelected;
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getSelectedAccessibleChildCount()" );
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}
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return -1;
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}
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static gboolean
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selection_is_child_selected( AtkSelection *selection,
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gint i)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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return pSelection->isAccessibleChildSelected( i );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in isAccessibleChildSelected()" );
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}
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return FALSE;
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}
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static gboolean
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selection_remove_selection( AtkSelection *selection,
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gint i )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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{
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css::uno::Reference<css::accessibility::XAccessible> xAcc = pSelection->getSelectedAccessibleChild(i);
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if (!xAcc.is())
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return false;
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css::uno::Reference<css::accessibility::XAccessibleContext> xAccContext = xAcc->getAccessibleContext();
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const sal_Int64 nChildIndex = xAccContext->getAccessibleIndexInParent();
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pSelection->deselectAccessibleChild(nChildIndex);
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return true;
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getSelectedAccessibleChild(), getAccessibleIndexInParent() or deselectAccessibleChild()" );
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}
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return FALSE;
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}
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static gboolean
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selection_select_all_selection( AtkSelection *selection)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleSelection> pSelection
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= getSelection( selection );
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if( pSelection.is() )
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{
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pSelection->selectAllAccessibleChildren();
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return true;
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in selectAllAccessibleChildren()" );
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}
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return FALSE;
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}
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} // extern "C"
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void
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selectionIfaceInit( gpointer iface_, gpointer)
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{
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auto const iface = static_cast<AtkSelectionIface *>(iface_);
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g_return_if_fail (iface != nullptr);
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iface->add_selection = selection_add_selection;
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iface->clear_selection = selection_clear_selection;
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iface->ref_selection = selection_ref_selection;
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iface->get_selection_count = selection_get_selection_count;
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iface->is_child_selected = selection_is_child_selected;
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iface->remove_selection = selection_remove_selection;
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iface->select_all_selection = selection_select_all_selection;
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}
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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