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-rw-r--r--vcl/unx/gtk3/a11y/atktable.cxx584
1 files changed, 584 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/a11y/atktable.cxx b/vcl/unx/gtk3/a11y/atktable.cxx
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+/* -*- 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 <string_view>
+
+#include "atkwrapper.hxx"
+
+#include <com/sun/star/accessibility/XAccessibleTable.hpp>
+#include <comphelper/sequence.hxx>
+
+using namespace ::com::sun::star;
+
+static AtkObject *
+atk_object_wrapper_conditional_ref( const uno::Reference< accessibility::XAccessible >& rxAccessible )
+{
+ if( rxAccessible.is() )
+ return atk_object_wrapper_ref( rxAccessible );
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+// FIXME
+static const gchar *
+getAsConst( std::u16string_view rString )
+{
+ static const int nMax = 10;
+ static OString aUgly[nMax];
+ static int nIdx = 0;
+ nIdx = (nIdx + 1) % nMax;
+ aUgly[nIdx] = OUStringToOString( rString, RTL_TEXTENCODING_UTF8 );
+ return aUgly[ nIdx ].getStr();
+}
+
+/*****************************************************************************/
+
+/// @throws uno::RuntimeException
+static css::uno::Reference<css::accessibility::XAccessibleTable>
+ getTable( AtkTable *pTable )
+{
+ AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pTable );
+ if( pWrap )
+ {
+ if( !pWrap->mpTable.is() )
+ {
+ pWrap->mpTable.set(pWrap->mpContext, css::uno::UNO_QUERY);
+ }
+
+ return pWrap->mpTable;
+ }
+
+ return css::uno::Reference<css::accessibility::XAccessibleTable>();
+}
+
+/*****************************************************************************/
+
+extern "C" {
+
+static AtkObject*
+table_wrapper_ref_at (AtkTable *table,
+ gint row,
+ gint column)
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable = getTable( table );
+ if( pTable.is() )
+ return atk_object_wrapper_conditional_ref( pTable->getAccessibleCellAt( row, column ) );
+ }
+
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleCellAt()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_index_at (AtkTable *table,
+ gint row,
+ gint column)
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleIndex( row, column );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleIndex()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_column_at_index (AtkTable *table,
+ gint nIndex)
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleColumn( nIndex );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleColumn()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_row_at_index( AtkTable *table,
+ gint nIndex )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleRow( nIndex );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleRow()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_n_columns( AtkTable *table )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleColumnCount();
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleColumnCount()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_n_rows( AtkTable *table )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleRowCount();
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleRowCount()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_column_extent_at( AtkTable *table,
+ gint row,
+ gint column )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleColumnExtentAt( row, column );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleColumnExtentAt()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_row_extent_at( AtkTable *table,
+ gint row,
+ gint column )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->getAccessibleRowExtentAt( row, column );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleRowExtentAt()" );
+ }
+
+ return -1;
+}
+
+/*****************************************************************************/
+
+static AtkObject *
+table_wrapper_get_caption( AtkTable *table )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return atk_object_wrapper_conditional_ref( pTable->getAccessibleCaption() );
+ }
+
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleCaption()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static const gchar *
+table_wrapper_get_row_description( AtkTable *table,
+ gint row )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return getAsConst( pTable->getAccessibleRowDescription( row ) );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleRowDescription()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static const gchar *
+table_wrapper_get_column_description( AtkTable *table,
+ gint column )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return getAsConst( pTable->getAccessibleColumnDescription( column ) );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleColumnDescription()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static AtkObject *
+table_wrapper_get_row_header( AtkTable *table,
+ gint row )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ {
+ uno::Reference< accessibility::XAccessibleTable > xRowHeaders( pTable->getAccessibleRowHeaders() );
+ if( xRowHeaders.is() )
+ return atk_object_wrapper_conditional_ref( xRowHeaders->getAccessibleCellAt( row, 0 ) );
+ }
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleRowHeaders()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static AtkObject *
+table_wrapper_get_column_header( AtkTable *table,
+ gint column )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ {
+ uno::Reference< accessibility::XAccessibleTable > xColumnHeaders( pTable->getAccessibleColumnHeaders() );
+ if( xColumnHeaders.is() )
+ return atk_object_wrapper_conditional_ref( xColumnHeaders->getAccessibleCellAt( 0, column ) );
+ }
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleColumnHeaders()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static AtkObject *
+table_wrapper_get_summary( AtkTable *table )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ {
+ return atk_object_wrapper_conditional_ref( pTable->getAccessibleSummary() );
+ }
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getAccessibleSummary()" );
+ }
+
+ return nullptr;
+}
+
+/*****************************************************************************/
+
+static gint
+convertToGIntArray( const uno::Sequence< ::sal_Int32 >& aSequence, gint **pSelected )
+{
+ if( aSequence.hasElements() )
+ {
+ *pSelected = g_new( gint, aSequence.getLength() );
+
+ *pSelected = comphelper::sequenceToArray(*pSelected, aSequence);
+ }
+
+ return aSequence.getLength();
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_selected_columns( AtkTable *table,
+ gint **pSelected )
+{
+ *pSelected = nullptr;
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return convertToGIntArray( pTable->getSelectedAccessibleColumns(), pSelected );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getSelectedAccessibleColumns()" );
+ }
+
+ return 0;
+}
+
+/*****************************************************************************/
+
+static gint
+table_wrapper_get_selected_rows( AtkTable *table,
+ gint **pSelected )
+{
+ *pSelected = nullptr;
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return convertToGIntArray( pTable->getSelectedAccessibleRows(), pSelected );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in getSelectedAccessibleRows()" );
+ }
+
+ return 0;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_is_column_selected( AtkTable *table,
+ gint column )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->isAccessibleColumnSelected( column );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in isAccessibleColumnSelected()" );
+ }
+
+ return 0;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_is_row_selected( AtkTable *table,
+ gint row )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->isAccessibleRowSelected( row );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in isAccessibleRowSelected()" );
+ }
+
+ return FALSE;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_is_selected( AtkTable *table,
+ gint row,
+ gint column )
+{
+ try {
+ css::uno::Reference<css::accessibility::XAccessibleTable> pTable
+ = getTable( table );
+ if( pTable.is() )
+ return pTable->isAccessibleSelected( row, column );
+ }
+ catch(const uno::Exception&) {
+ g_warning( "Exception in isAccessibleSelected()" );
+ }
+
+ return FALSE;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_add_row_selection( AtkTable *, gint )
+{
+ g_warning( "FIXME: no simple analogue for add_row_selection" );
+ return 0;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_remove_row_selection( AtkTable *, gint )
+{
+ g_warning( "FIXME: no simple analogue for remove_row_selection" );
+ return 0;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_add_column_selection( AtkTable *, gint )
+{
+ g_warning( "FIXME: no simple analogue for add_column_selection" );
+ return 0;
+}
+
+/*****************************************************************************/
+
+static gboolean
+table_wrapper_remove_column_selection( AtkTable *, gint )
+{
+ g_warning( "FIXME: no simple analogue for remove_column_selection" );
+ return 0;
+}
+
+/*****************************************************************************/
+
+static void
+table_wrapper_set_caption( AtkTable *, AtkObject * )
+{ // meaningless helper
+}
+
+/*****************************************************************************/
+
+static void
+table_wrapper_set_column_description( AtkTable *, gint, const gchar * )
+{ // meaningless helper
+}
+
+/*****************************************************************************/
+
+static void
+table_wrapper_set_column_header( AtkTable *, gint, AtkObject * )
+{ // meaningless helper
+}
+
+/*****************************************************************************/
+
+static void
+table_wrapper_set_row_description( AtkTable *, gint, const gchar * )
+{ // meaningless helper
+}
+
+/*****************************************************************************/
+
+static void
+table_wrapper_set_row_header( AtkTable *, gint, AtkObject * )
+{ // meaningless helper
+}
+
+/*****************************************************************************/
+
+static void
+table_wrapper_set_summary( AtkTable *, AtkObject * )
+{ // meaningless helper
+}
+
+/*****************************************************************************/
+
+} // extern "C"
+
+void
+tableIfaceInit (AtkTableIface *iface)
+{
+ g_return_if_fail (iface != nullptr);
+
+ iface->ref_at = table_wrapper_ref_at;
+ iface->get_n_rows = table_wrapper_get_n_rows;
+ iface->get_n_columns = table_wrapper_get_n_columns;
+ iface->get_index_at = table_wrapper_get_index_at;
+ iface->get_column_at_index = table_wrapper_get_column_at_index;
+ iface->get_row_at_index = table_wrapper_get_row_at_index;
+ iface->is_row_selected = table_wrapper_is_row_selected;
+ iface->is_selected = table_wrapper_is_selected;
+ iface->get_selected_rows = table_wrapper_get_selected_rows;
+ 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: */