LCOV - code coverage report
Current view: top level - libreoffice/vcl/unx/gtk/a11y - atkcomponent.cxx (source / functions) Hit Total Coverage
Test: libreoffice_filtered.info Lines: 0 114 0.0 %
Date: 2012-12-27 Functions: 0 16 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : 
      21             : #include "atkwrapper.hxx"
      22             : 
      23             : #include <com/sun/star/accessibility/XAccessibleComponent.hpp>
      24             : 
      25             : #ifdef ENABLE_TRACING
      26             : #include <stdio.h>
      27             : #endif
      28             : 
      29             : using namespace ::com::sun::star;
      30             : 
      31             : static accessibility::XAccessibleComponent*
      32           0 :     getComponent( AtkComponent *pComponent ) throw (uno::RuntimeException)
      33             : {
      34           0 :     AtkObjectWrapper *pWrap = ATK_OBJECT_WRAPPER( pComponent );
      35           0 :     if( pWrap )
      36             :     {
      37           0 :         if( !pWrap->mpComponent && pWrap->mpContext )
      38             :         {
      39           0 :             uno::Any any = pWrap->mpContext->queryInterface( accessibility::XAccessibleComponent::static_type(NULL) );
      40           0 :             pWrap->mpComponent = reinterpret_cast< accessibility::XAccessibleComponent * > (any.pReserved);
      41           0 :             pWrap->mpComponent->acquire();
      42             :         }
      43             : 
      44           0 :         return pWrap->mpComponent;
      45             :     }
      46             : 
      47           0 :     return NULL;
      48             : }
      49             : 
      50             : /*****************************************************************************/
      51             : 
      52             : static awt::Point
      53           0 : translatePoint( accessibility::XAccessibleComponent *pComponent,
      54             :                 gint x, gint y, AtkCoordType t)
      55             : {
      56           0 :     awt::Point aOrigin( 0, 0 );
      57           0 :     if( t == ATK_XY_SCREEN )
      58           0 :         aOrigin = pComponent->getLocationOnScreen();
      59             : 
      60             : #ifdef ENABLE_TRACING
      61             :     fprintf(stderr, "coordinates ( %u, %u ) translated to: ( %u, %u )\n",
      62             :         x, y, x - aOrigin.X, y - aOrigin.Y);
      63             : #endif
      64             : 
      65           0 :     return awt::Point( x - aOrigin.X, y - aOrigin.Y );
      66             : }
      67             : 
      68             : /*****************************************************************************/
      69             : 
      70             : extern "C" {
      71             : 
      72             : static gboolean
      73           0 : component_wrapper_grab_focus (AtkComponent *component)
      74             : {
      75             :     try
      76             :     {
      77           0 :         accessibility::XAccessibleComponent* pComponent = getComponent( component );
      78           0 :         if( pComponent )
      79             :         {
      80           0 :             pComponent->grabFocus();
      81           0 :             return TRUE;
      82             :         }
      83             :     }
      84           0 :     catch( const uno::Exception &e )
      85             :     {
      86           0 :         g_warning( "Exception in grabFocus()" );
      87             :     }
      88             : 
      89           0 :     return FALSE;
      90             : }
      91             : 
      92             : /*****************************************************************************/
      93             : 
      94             : static gboolean
      95           0 : component_wrapper_contains (AtkComponent *component,
      96             :                             gint          x,
      97             :                             gint          y,
      98             :                             AtkCoordType  coord_type)
      99             : {
     100             :     try
     101             :     {
     102           0 :         accessibility::XAccessibleComponent* pComponent = getComponent( component );
     103           0 :         if( pComponent )
     104           0 :             return pComponent->containsPoint( translatePoint( pComponent, x, y, coord_type ) );
     105             :     }
     106           0 :     catch( const uno::Exception &e )
     107             :     {
     108           0 :         g_warning( "Exception in containsPoint()" );
     109             :     }
     110             : 
     111           0 :     return FALSE;
     112             : }
     113             : 
     114             : /*****************************************************************************/
     115             : 
     116             : static AtkObject *
     117           0 : component_wrapper_ref_accessible_at_point (AtkComponent *component,
     118             :                                            gint          x,
     119             :                                            gint          y,
     120             :                                            AtkCoordType  coord_type)
     121             : {
     122             :     try
     123             :     {
     124           0 :         accessibility::XAccessibleComponent* pComponent = getComponent( component );
     125             : 
     126           0 :         if( pComponent )
     127             :         {
     128           0 :             uno::Reference< accessibility::XAccessible > xAccessible;
     129             :             xAccessible = pComponent->getAccessibleAtPoint(
     130           0 :                 translatePoint( pComponent, x, y, coord_type ) );
     131             : 
     132             : #ifdef ENABLE_TRACING
     133             :             fprintf(stderr, "getAccessibleAtPoint( %u, %u ) returned %p\n",
     134             :               x, y, xAccessible.get());
     135             : 
     136             :             uno::Reference< accessibility::XAccessibleComponent > xComponent(
     137             :                 xAccessible->getAccessibleContext(), uno::UNO_QUERY );
     138             : 
     139             :             if( xComponent.is() )
     140             :             {
     141             :                 awt::Rectangle rect = xComponent->getBounds();
     142             :                 fprintf(stderr, "%p->getBounds() returned: ( %u, %u, %u, %u )\n",
     143             :                     xAccessible.get(), rect.X, rect.Y, rect.Width, rect.Height );
     144             :             }
     145             : #endif
     146             : 
     147           0 :             return atk_object_wrapper_ref( xAccessible );
     148             :         }
     149             :     }
     150           0 :     catch( const uno::Exception &e )
     151             :     {
     152           0 :         g_warning( "Exception in getAccessibleAtPoint()" );
     153             :     }
     154             : 
     155           0 :     return NULL;
     156             : }
     157             : 
     158             : /*****************************************************************************/
     159             : 
     160             : static void
     161           0 : component_wrapper_get_position (AtkComponent   *component,
     162             :                                 gint           *x,
     163             :                                 gint           *y,
     164             :                                 AtkCoordType   coord_type)
     165             : {
     166             :     try
     167             :     {
     168           0 :         accessibility::XAccessibleComponent* pComponent = getComponent( component );
     169           0 :         if( pComponent )
     170             :         {
     171           0 :             awt::Point aPos;
     172             : 
     173           0 :             if( coord_type == ATK_XY_SCREEN )
     174           0 :                 aPos = pComponent->getLocationOnScreen();
     175             :             else
     176           0 :                 aPos = pComponent->getLocation();
     177             : 
     178           0 :             *x = aPos.X;
     179           0 :             *y = aPos.Y;
     180             : 
     181             : #ifdef ENABLE_TRACING
     182             :             fprintf(stderr, "getLocation[OnScreen]() returned: ( %u, %u )\n", *x, *y );
     183             : #endif
     184             :         }
     185             :     }
     186           0 :     catch( const uno::Exception &e )
     187             :     {
     188           0 :         g_warning( "Exception in getLocation[OnScreen]()" );
     189             :     }
     190           0 : }
     191             : 
     192             : /*****************************************************************************/
     193             : 
     194             : static void
     195           0 : component_wrapper_get_size (AtkComponent   *component,
     196             :                             gint           *width,
     197             :                             gint           *height)
     198             : {
     199             :     try
     200             :     {
     201           0 :         accessibility::XAccessibleComponent* pComponent = getComponent( component );
     202           0 :         if( pComponent )
     203             :         {
     204           0 :             awt::Size aSize = pComponent->getSize();
     205           0 :             *width = aSize.Width;
     206           0 :             *height = aSize.Height;
     207             : 
     208             : #ifdef ENABLE_TRACING
     209             :             fprintf(stderr, "getSize() returned: ( %u, %u )\n", *width, *height );
     210             : #endif
     211             :         }
     212             :     }
     213           0 :     catch( const uno::Exception &e )
     214             :     {
     215           0 :         g_warning( "Exception in getSize()" );
     216             :     }
     217           0 : }
     218             : 
     219             : /*****************************************************************************/
     220             : 
     221             : static void
     222           0 : component_wrapper_get_extents (AtkComponent *component,
     223             :                                gint         *x,
     224             :                                gint         *y,
     225             :                                gint         *width,
     226             :                                gint         *height,
     227             :                                AtkCoordType  coord_type)
     228             : {
     229           0 :     component_wrapper_get_position( component, x, y, coord_type );
     230           0 :     component_wrapper_get_size( component, width, height );
     231           0 : }
     232             : 
     233             : /*****************************************************************************/
     234             : 
     235             : static gboolean
     236           0 : component_wrapper_set_extents (AtkComponent *, gint, gint, gint, gint, AtkCoordType)
     237             : {
     238           0 :     g_warning( "AtkComponent::set_extents unimplementable" );
     239           0 :     return FALSE;
     240             : }
     241             : 
     242             : /*****************************************************************************/
     243             : 
     244             : static gboolean
     245           0 : component_wrapper_set_position (AtkComponent *, gint, gint, AtkCoordType)
     246             : {
     247           0 :     g_warning( "AtkComponent::set_position unimplementable" );
     248           0 :     return FALSE;
     249             : }
     250             : 
     251             : /*****************************************************************************/
     252             : 
     253             : static gboolean
     254           0 : component_wrapper_set_size (AtkComponent *, gint, gint)
     255             : {
     256           0 :     g_warning( "AtkComponent::set_size unimplementable" );
     257           0 :     return FALSE;
     258             : }
     259             : 
     260             : /*****************************************************************************/
     261             : 
     262             : static AtkLayer
     263           0 : component_wrapper_get_layer (AtkComponent   *component)
     264             : {
     265           0 :     AtkRole role = atk_object_get_role( ATK_OBJECT( component ) );
     266           0 :     AtkLayer layer = ATK_LAYER_WIDGET;
     267             : 
     268           0 :     switch (role)
     269             :     {
     270             :         case ATK_ROLE_POPUP_MENU:
     271             :         case ATK_ROLE_MENU_ITEM:
     272             :         case ATK_ROLE_CHECK_MENU_ITEM:
     273             :         case ATK_ROLE_SEPARATOR:
     274             :         case ATK_ROLE_LIST_ITEM:
     275           0 :             layer = ATK_LAYER_POPUP;
     276           0 :             break;
     277             :         case ATK_ROLE_MENU:
     278             :             {
     279           0 :                 AtkObject * parent = atk_object_get_parent( ATK_OBJECT( component ) );
     280           0 :                 if( atk_object_get_role( parent ) != ATK_ROLE_MENU_BAR )
     281           0 :                     layer = ATK_LAYER_POPUP;
     282             :             }
     283           0 :             break;
     284             : 
     285             :         case ATK_ROLE_LIST:
     286             :             {
     287           0 :                 AtkObject * parent = atk_object_get_parent( ATK_OBJECT( component ) );
     288           0 :                 if( atk_object_get_role( parent ) == ATK_ROLE_COMBO_BOX )
     289           0 :                     layer = ATK_LAYER_POPUP;
     290             :             }
     291           0 :             break;
     292             : 
     293             :         default:
     294             :             ;
     295             :     }
     296             : 
     297           0 :     return layer;
     298             : }
     299             : 
     300             : /*****************************************************************************/
     301             : 
     302             : static gint
     303           0 : component_wrapper_get_mdi_zorder (AtkComponent   *)
     304             : {
     305             :     // only needed for ATK_LAYER_MDI (not used) or ATK_LAYER_WINDOW (inherited from GAIL)
     306           0 :     return G_MININT;
     307             : }
     308             : 
     309             : /*****************************************************************************/
     310             : 
     311             : // This code is mostly stolen from libgail ..
     312             : 
     313             : static guint
     314           0 : component_wrapper_add_focus_handler (AtkComponent    *component,
     315             :                                      AtkFocusHandler  handler)
     316             : {
     317             :     GSignalMatchType match_type;
     318             :     gulong ret;
     319             :     guint signal_id;
     320             : 
     321           0 :     match_type = (GSignalMatchType) (G_SIGNAL_MATCH_ID | G_SIGNAL_MATCH_FUNC);
     322           0 :     signal_id = g_signal_lookup( "focus-event", ATK_TYPE_OBJECT );
     323             : 
     324             :     ret = g_signal_handler_find( component, match_type, signal_id, 0, NULL,
     325           0 :                                  (gpointer) &handler, NULL);
     326           0 :     if (!ret)
     327             :     {
     328             :         return g_signal_connect_closure_by_id (component,
     329             :                                                signal_id, 0,
     330             :                                                g_cclosure_new (
     331             :                                                G_CALLBACK (handler), NULL,
     332             :                                                (GClosureNotify) NULL),
     333           0 :                                                FALSE);
     334             :     }
     335             :     else
     336             :     {
     337           0 :         return 0;
     338             :     }
     339             : }
     340             : 
     341             : /*****************************************************************************/
     342             : 
     343             : static void
     344           0 : component_wrapper_remove_focus_handler (AtkComponent  *component,
     345             :                                         guint         handler_id)
     346             : {
     347           0 :     g_signal_handler_disconnect (component, handler_id);
     348           0 : }
     349             : 
     350             : /*****************************************************************************/
     351             : 
     352             : } // extern "C"
     353             : 
     354             : void
     355           0 : componentIfaceInit (AtkComponentIface *iface)
     356             : {
     357           0 :   g_return_if_fail (iface != NULL);
     358             : 
     359           0 :   iface->add_focus_handler = component_wrapper_add_focus_handler;
     360           0 :   iface->contains = component_wrapper_contains;
     361           0 :   iface->get_extents = component_wrapper_get_extents;
     362           0 :   iface->get_layer = component_wrapper_get_layer;
     363           0 :   iface->get_mdi_zorder = component_wrapper_get_mdi_zorder;
     364           0 :   iface->get_position = component_wrapper_get_position;
     365           0 :   iface->get_size = component_wrapper_get_size;
     366           0 :   iface->grab_focus = component_wrapper_grab_focus;
     367           0 :   iface->ref_accessible_at_point = component_wrapper_ref_accessible_at_point;
     368           0 :   iface->remove_focus_handler = component_wrapper_remove_focus_handler;
     369           0 :   iface->set_extents = component_wrapper_set_extents;
     370           0 :   iface->set_position = component_wrapper_set_position;
     371           0 :   iface->set_size = component_wrapper_set_size;
     372             : }
     373             : 
     374             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */

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