Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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: */