diff options
Diffstat (limited to 'vcl/unx/gtk3/a11y/atktable.cxx')
-rw-r--r-- | vcl/unx/gtk3/a11y/atktable.cxx | 584 |
1 files changed, 584 insertions, 0 deletions
diff --git a/vcl/unx/gtk3/a11y/atktable.cxx b/vcl/unx/gtk3/a11y/atktable.cxx new file mode 100644 index 000000000..11df8a73c --- /dev/null +++ b/vcl/unx/gtk3/a11y/atktable.cxx @@ -0,0 +1,584 @@ +/* -*- 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: */ |