Adding upstream version 1:7.0.4.upstream/1%7.0.4upstream

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

1 files changed, 275 insertions, 0 deletions

diff --git a/vcl/unx/gtk3/a11y/gtk3atkaction.cxx b/vcl/unx/gtk3/a11y/gtk3atkaction.cxx
new file mode 100644
index 000000000..fa9d09660
--- /dev/null
+++ b/vcl/unx/gtk3/a11y/gtk3atkaction.cxx
@@ -0,0 +1,275 @@
+/* -*- 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 "atkwrapper.hxx"
+
+#include <com/sun/star/accessibility/XAccessibleAction.hpp>
+#include <com/sun/star/accessibility/XAccessibleKeyBinding.hpp>
+
+#include <com/sun/star/awt/Key.hpp>
+#include <com/sun/star/awt/KeyModifier.hpp>
+
+#include <rtl/strbuf.hxx>
+#include <algorithm>
+#include <map>
+
+using namespace ::com::sun::star;
+
+// FIXME
+static const gchar *
+getAsConst( const OString& rString )
+{
+    static const int nMax = 10;
+    static OString aUgly[nMax];
+    static int nIdx = 0;
+    nIdx = (nIdx + 1) % nMax;
+    aUgly[nIdx] = rString;
+    return aUgly[ nIdx ].getStr();
+}
+
+/// @throws uno::RuntimeException
+static css::uno::Reference<css::accessibility::XAccessibleAction>
+        getAction( AtkAction *action )
+{
+    AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( action );
+
+    if( pWrap )
+    {
+        if( !pWrap->mpAction.is() )
+        {
+            pWrap->mpAction.set(pWrap->mpContext, css::uno::UNO_QUERY);
+        }
+
+        return pWrap->mpAction;
+    }
+
+    return css::uno::Reference<css::accessibility::XAccessibleAction>();
+}
+
+extern "C" {
+
+static gboolean
+action_wrapper_do_action (AtkAction *action,
+                          gint       i)
+{
+    try {
+        css::uno::Reference<css::accessibility::XAccessibleAction> pAction
+            = getAction( action );
+        if( pAction.is() )
+            return pAction->doAccessibleAction( i );
+    }
+    catch(const uno::Exception&) {
+        g_warning( "Exception in doAccessibleAction()" );
+    }
+
+    return FALSE;
+}
+
+static gint
+action_wrapper_get_n_actions (AtkAction *action)
+{
+    try {
+        css::uno::Reference<css::accessibility::XAccessibleAction> pAction
+            = getAction( action );
+        if( pAction.is() )
+            return pAction->getAccessibleActionCount();
+    }
+    catch(const uno::Exception&) {
+        g_warning( "Exception in getAccessibleActionCount()" );
+    }
+
+    return 0;
+}
+
+static const gchar *
+action_wrapper_get_description (AtkAction *, gint)
+{
+    // GAIL implement this only for cells
+    g_warning( "Not implemented: get_description()" );
+    return "";
+}
+
+static const gchar *
+action_wrapper_get_localized_name (AtkAction *, gint)
+{
+    // GAIL doesn't implement this as well
+    g_warning( "Not implemented: get_localized_name()" );
+    return "";
+}
+
+#define ACTION_NAME_PAIR( OOoName, AtkName ) \
+    std::pair< const OUString, const gchar * > ( OUString( OOoName ), AtkName )
+
+static const gchar *
+action_wrapper_get_name (AtkAction *action,
+                         gint       i)
+{
+    static std::map< OUString, const gchar * > aNameMap;
+
+    if( aNameMap.empty() )
+    {
+        aNameMap.insert( ACTION_NAME_PAIR( "click", "click" ) );
+        aNameMap.insert( ACTION_NAME_PAIR( "select", "click" ) );
+        aNameMap.insert( ACTION_NAME_PAIR( "togglePopup", "push" ) );
+    }
+
+    try {
+        css::uno::Reference<css::accessibility::XAccessibleAction> pAction
+            = getAction( action );
+        if( pAction.is() )
+        {
+            std::map< OUString, const gchar * >::iterator iter;
+
+            OUString aDesc( pAction->getAccessibleActionDescription( i ) );
+
+            iter = aNameMap.find( aDesc );
+            if( iter != aNameMap.end() )
+                return iter->second;
+
+            std::pair< const OUString, const gchar * > aNewVal( aDesc,
+                g_strdup( OUStringToConstGChar(aDesc) ) );
+
+            if( aNameMap.insert( aNewVal ).second )
+                return aNewVal.second;
+        }
+    }
+    catch(const uno::Exception&) {
+        g_warning( "Exception in getAccessibleActionDescription()" );
+    }
+
+    return "";
+}
+
+/*
+*  GNOME Expects a string in the format:
+*
+*  <mnemonic>;<full-path>;<accelerator>
+*
+*  The keybindings in <full-path> should be separated by ":"
+*/
+
+static void
+appendKeyStrokes(OStringBuffer& rBuffer, const uno::Sequence< awt::KeyStroke >& rKeyStrokes)
+{
+    for( const auto& rKeyStroke : rKeyStrokes )
+    {
+        if( rKeyStroke.Modifiers &  awt::KeyModifier::SHIFT )
+            rBuffer.append("<Shift>");
+        if( rKeyStroke.Modifiers &  awt::KeyModifier::MOD1 )
+            rBuffer.append("<Control>");
+        if( rKeyStroke.Modifiers &  awt::KeyModifier::MOD2 )
+            rBuffer.append("<Alt>");
+
+        if( ( rKeyStroke.KeyCode >= awt::Key::A ) && ( rKeyStroke.KeyCode <= awt::Key::Z ) )
+            rBuffer.append( static_cast<char>( 'a' + ( rKeyStroke.KeyCode - awt::Key::A ) ) );
+        else
+        {
+            char c = '\0';
+
+            switch( rKeyStroke.KeyCode )
+            {
+                case awt::Key::TAB:      c = '\t'; break;
+                case awt::Key::SPACE:    c = ' '; break;
+                case awt::Key::ADD:      c = '+'; break;
+                case awt::Key::SUBTRACT: c = '-'; break;
+                case awt::Key::MULTIPLY: c = '*'; break;
+                case awt::Key::DIVIDE:   c = '/'; break;
+                case awt::Key::POINT:    c = '.'; break;
+                case awt::Key::COMMA:    c = ','; break;
+                case awt::Key::LESS:     c = '<'; break;
+                case awt::Key::GREATER:  c = '>'; break;
+                case awt::Key::EQUAL:    c = '='; break;
+                case 0:
+                    break;
+                default:
+                    g_warning( "Unmapped KeyCode: %d", rKeyStroke.KeyCode );
+                    break;
+            }
+
+            if( c != '\0' )
+                rBuffer.append( c );
+            else
+            {
+                // The KeyCode approach did not work, probably a non ascii character
+                // let's hope that there is a character given in KeyChar.
+                rBuffer.append( OUStringToGChar( OUString( rKeyStroke.KeyChar ) ) );
+            }
+        }
+    }
+}
+
+static const gchar *
+action_wrapper_get_keybinding (AtkAction *action,
+                               gint       i)
+{
+    try {
+        css::uno::Reference<css::accessibility::XAccessibleAction> pAction
+            = getAction( action );
+        if( pAction.is() )
+        {
+            uno::Reference< accessibility::XAccessibleKeyBinding > xBinding( pAction->getAccessibleActionKeyBinding( i ));
+
+            if( xBinding.is() )
+            {
+                OStringBuffer aRet;
+
+                sal_Int32 nmax = std::min( xBinding->getAccessibleKeyBindingCount(), sal_Int32(3) );
+                for( sal_Int32 n = 0; n < nmax; n++ )
+                {
+                    appendKeyStrokes( aRet,  xBinding->getAccessibleKeyBinding( n ) );
+
+                    if( n < 2 )
+                        aRet.append( ';' );
+                }
+
+                // !! FIXME !! remember keystroke in wrapper object ?
+                return getAsConst( aRet.makeStringAndClear() );
+            }
+        }
+    }
+    catch(const uno::Exception&) {
+        g_warning( "Exception in get_keybinding()" );
+    }
+
+    return "";
+}
+
+static gboolean
+action_wrapper_set_description (AtkAction *, gint, const gchar *)
+{
+    return FALSE;
+}
+
+} // extern "C"
+
+void
+actionIfaceInit (AtkActionIface *iface)
+{
+  g_return_if_fail (iface != nullptr);
+
+  iface->do_action = action_wrapper_do_action;
+  iface->get_n_actions = action_wrapper_get_n_actions;
+  iface->get_description = action_wrapper_get_description;
+  iface->get_keybinding = action_wrapper_get_keybinding;
+  iface->get_name = action_wrapper_get_name;
+  iface->get_localized_name = action_wrapper_get_localized_name;
+  iface->set_description = action_wrapper_set_description;
+}
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */