648 lines
19 KiB
C++
648 lines
19 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 <string_view>
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#include "atkwrapper.hxx"
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#include <com/sun/star/accessibility/XAccessibleTable.hpp>
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#include <com/sun/star/accessibility/XAccessibleTableSelection.hpp>
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#include <comphelper/sequence.hxx>
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#include <sal/log.hxx>
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using namespace ::com::sun::star;
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static AtkObject *
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atk_object_wrapper_conditional_ref( const uno::Reference< accessibility::XAccessible >& rxAccessible )
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{
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if( rxAccessible.is() )
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return atk_object_wrapper_ref( rxAccessible );
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return nullptr;
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}
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/*****************************************************************************/
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// FIXME
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static const gchar *
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getAsConst( std::u16string_view rString )
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{
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static const int nMax = 10;
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static OString aUgly[nMax];
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static int nIdx = 0;
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nIdx = (nIdx + 1) % nMax;
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aUgly[nIdx] = OUStringToOString( rString, RTL_TEXTENCODING_UTF8 );
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return aUgly[ nIdx ].getStr();
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}
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/*****************************************************************************/
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/// @throws uno::RuntimeException
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static css::uno::Reference<css::accessibility::XAccessibleTable>
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getTable( AtkTable *pTable )
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{
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AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pTable );
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if( pWrap )
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{
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if( !pWrap->mpTable.is() )
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{
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pWrap->mpTable.set(pWrap->mpContext, css::uno::UNO_QUERY);
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}
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return pWrap->mpTable;
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}
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return css::uno::Reference<css::accessibility::XAccessibleTable>();
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}
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static css::uno::Reference<css::accessibility::XAccessibleTableSelection>
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getTableSelection(AtkTable *pTable)
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{
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AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER(pTable);
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if (pWrap)
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{
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if (!pWrap->mpTableSelection.is())
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{
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pWrap->mpTableSelection.set(pWrap->mpContext, css::uno::UNO_QUERY);
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}
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return pWrap->mpTableSelection;
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}
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return css::uno::Reference<css::accessibility::XAccessibleTableSelection>();
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}
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/*****************************************************************************/
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extern "C" {
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static AtkObject*
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table_wrapper_ref_at (AtkTable *table,
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gint row,
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gint column)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable = getTable( table );
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if( pTable.is() )
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return atk_object_wrapper_conditional_ref( pTable->getAccessibleCellAt( row, column ) );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleCellAt()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_index_at (AtkTable *table,
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gint row,
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gint column)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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{
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sal_Int64 nIndex = pTable->getAccessibleIndex( row, column );
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if (nIndex > std::numeric_limits<gint>::max())
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{
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// use -2 when the child index is too large to fit into 32 bit to neither use the
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// valid index of another cell nor -1, which might easily be interpreted as the cell
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// not/no longer being valid
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SAL_WARN("vcl.gtk", "table_wrapper_get_index_at: Child index exceeds maximum gint value, "
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"returning -2.");
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nIndex = -2;
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}
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return nIndex;
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleIndex()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_column_at_index (AtkTable *table,
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gint nIndex)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->getAccessibleColumn( nIndex );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleColumn()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_row_at_index( AtkTable *table,
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gint nIndex )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->getAccessibleRow( nIndex );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleRow()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_n_columns( AtkTable *table )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->getAccessibleColumnCount();
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleColumnCount()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_n_rows( AtkTable *table )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->getAccessibleRowCount();
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleRowCount()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_column_extent_at( AtkTable *table,
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gint row,
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gint column )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->getAccessibleColumnExtentAt( row, column );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleColumnExtentAt()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_row_extent_at( AtkTable *table,
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gint row,
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gint column )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->getAccessibleRowExtentAt( row, column );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleRowExtentAt()" );
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}
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return -1;
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}
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/*****************************************************************************/
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static AtkObject *
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table_wrapper_get_caption( AtkTable *table )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return atk_object_wrapper_conditional_ref( pTable->getAccessibleCaption() );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleCaption()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static const gchar *
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table_wrapper_get_row_description( AtkTable *table,
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gint row )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return getAsConst( pTable->getAccessibleRowDescription( row ) );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleRowDescription()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static const gchar *
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table_wrapper_get_column_description( AtkTable *table,
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gint column )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return getAsConst( pTable->getAccessibleColumnDescription( column ) );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleColumnDescription()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static AtkObject *
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table_wrapper_get_row_header( AtkTable *table,
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gint row )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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{
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uno::Reference< accessibility::XAccessibleTable > xRowHeaders( pTable->getAccessibleRowHeaders() );
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if( xRowHeaders.is() )
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return atk_object_wrapper_conditional_ref( xRowHeaders->getAccessibleCellAt( row, 0 ) );
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleRowHeaders()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static AtkObject *
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table_wrapper_get_column_header( AtkTable *table,
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gint column )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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{
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uno::Reference< accessibility::XAccessibleTable > xColumnHeaders( pTable->getAccessibleColumnHeaders() );
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if( xColumnHeaders.is() )
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return atk_object_wrapper_conditional_ref( xColumnHeaders->getAccessibleCellAt( 0, column ) );
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleColumnHeaders()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static AtkObject *
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table_wrapper_get_summary( AtkTable *table )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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{
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return atk_object_wrapper_conditional_ref( pTable->getAccessibleSummary() );
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}
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getAccessibleSummary()" );
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}
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return nullptr;
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}
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/*****************************************************************************/
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static gint
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convertToGIntArray( const uno::Sequence< ::sal_Int32 >& aSequence, gint **pSelected )
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{
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if( aSequence.hasElements() )
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{
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*pSelected = g_new( gint, aSequence.getLength() );
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*pSelected = comphelper::sequenceToArray(*pSelected, aSequence);
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}
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return aSequence.getLength();
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_selected_columns( AtkTable *table,
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gint **pSelected )
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{
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*pSelected = nullptr;
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return convertToGIntArray( pTable->getSelectedAccessibleColumns(), pSelected );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getSelectedAccessibleColumns()" );
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}
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return 0;
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}
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/*****************************************************************************/
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static gint
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table_wrapper_get_selected_rows( AtkTable *table,
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gint **pSelected )
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{
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*pSelected = nullptr;
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return convertToGIntArray( pTable->getSelectedAccessibleRows(), pSelected );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in getSelectedAccessibleRows()" );
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}
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return 0;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_is_column_selected( AtkTable *table,
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gint column )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->isAccessibleColumnSelected( column );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in isAccessibleColumnSelected()" );
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}
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return 0;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_is_row_selected( AtkTable *table,
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gint row )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->isAccessibleRowSelected( row );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in isAccessibleRowSelected()" );
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}
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return FALSE;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_is_selected( AtkTable *table,
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gint row,
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gint column )
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTable> pTable
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= getTable( table );
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if( pTable.is() )
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return pTable->isAccessibleSelected( row, column );
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in isAccessibleSelected()" );
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}
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return FALSE;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_add_row_selection(AtkTable *pTable, gint row)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTableSelection> xTableSelection = getTableSelection(pTable);
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if (xTableSelection.is())
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return xTableSelection->selectRow(row);
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in selectRow()" );
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}
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return false;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_remove_row_selection(AtkTable *pTable, gint row)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTableSelection> xTableSelection = getTableSelection(pTable);
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if (xTableSelection.is())
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return xTableSelection->unselectRow(row);
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in unselectRow()" );
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}
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return false;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_add_column_selection(AtkTable *pTable, gint column)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTableSelection> xTableSelection = getTableSelection(pTable);
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if (xTableSelection.is())
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return xTableSelection->selectColumn(column);
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in selectColumn()" );
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}
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return false;
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}
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/*****************************************************************************/
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static gboolean
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table_wrapper_remove_column_selection(AtkTable *pTable, gint column)
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{
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try {
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css::uno::Reference<css::accessibility::XAccessibleTableSelection> xTableSelection = getTableSelection(pTable);
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if (xTableSelection.is())
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return xTableSelection->unselectColumn(column);
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}
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catch(const uno::Exception&) {
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g_warning( "Exception in unselectColumn()" );
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}
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return false;
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}
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/*****************************************************************************/
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static void
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table_wrapper_set_caption( AtkTable *, AtkObject * )
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{ // meaningless helper
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}
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/*****************************************************************************/
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static void
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table_wrapper_set_column_description( AtkTable *, gint, const gchar * )
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{ // meaningless helper
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}
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/*****************************************************************************/
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static void
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table_wrapper_set_column_header( AtkTable *, gint, AtkObject * )
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{ // meaningless helper
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}
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/*****************************************************************************/
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static void
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table_wrapper_set_row_description( AtkTable *, gint, const gchar * )
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{ // meaningless helper
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}
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/*****************************************************************************/
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static void
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table_wrapper_set_row_header( AtkTable *, gint, AtkObject * )
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{ // meaningless helper
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}
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/*****************************************************************************/
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static void
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table_wrapper_set_summary( AtkTable *, AtkObject * )
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{ // meaningless helper
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}
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/*****************************************************************************/
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|
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} // extern "C"
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|
|
void
|
|
tableIfaceInit (gpointer iface_, gpointer)
|
|
{
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|
auto const iface = static_cast<AtkTableIface *>(iface_);
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|
g_return_if_fail (iface != nullptr);
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|
|
|
iface->ref_at = table_wrapper_ref_at;
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iface->get_n_rows = table_wrapper_get_n_rows;
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iface->get_n_columns = table_wrapper_get_n_columns;
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|
iface->get_index_at = table_wrapper_get_index_at;
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|
iface->get_column_at_index = table_wrapper_get_column_at_index;
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iface->get_row_at_index = table_wrapper_get_row_at_index;
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|
iface->is_row_selected = table_wrapper_is_row_selected;
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|
iface->is_selected = table_wrapper_is_selected;
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|
iface->get_selected_rows = table_wrapper_get_selected_rows;
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|
iface->add_row_selection = table_wrapper_add_row_selection;
|
|
iface->remove_row_selection = table_wrapper_remove_row_selection;
|
|
iface->add_column_selection = table_wrapper_add_column_selection;
|
|
iface->remove_column_selection = table_wrapper_remove_column_selection;
|
|
iface->get_selected_columns = table_wrapper_get_selected_columns;
|
|
iface->is_column_selected = table_wrapper_is_column_selected;
|
|
iface->get_column_extent_at = table_wrapper_get_column_extent_at;
|
|
iface->get_row_extent_at = table_wrapper_get_row_extent_at;
|
|
iface->get_row_header = table_wrapper_get_row_header;
|
|
iface->set_row_header = table_wrapper_set_row_header;
|
|
iface->get_column_header = table_wrapper_get_column_header;
|
|
iface->set_column_header = table_wrapper_set_column_header;
|
|
iface->get_caption = table_wrapper_get_caption;
|
|
iface->set_caption = table_wrapper_set_caption;
|
|
iface->get_summary = table_wrapper_get_summary;
|
|
iface->set_summary = table_wrapper_set_summary;
|
|
iface->get_row_description = table_wrapper_get_row_description;
|
|
iface->set_row_description = table_wrapper_set_row_description;
|
|
iface->get_column_description = table_wrapper_get_column_description;
|
|
iface->set_column_description = table_wrapper_set_column_description;
|
|
}
|
|
|
|
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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