gtkcontainercellaccessible.c 4.98 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14
/* GAIL - The GNOME Accessibility Enabling Library
 * Copyright 2001 Sun Microsystems Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
Javier Jardón's avatar
Javier Jardón committed
15
 * License along with this library. If not, see <http://www.gnu.org/licenses/>.
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59
 */

#include "config.h"

#include <gtk/gtk.h>
#include "gtkcontainercellaccessible.h"


G_DEFINE_TYPE (GtkContainerCellAccessible, _gtk_container_cell_accessible, GTK_TYPE_CELL_ACCESSIBLE)


static void
gtk_container_cell_accessible_finalize (GObject *obj)
{
  GtkContainerCellAccessible *container = GTK_CONTAINER_CELL_ACCESSIBLE (obj);

  g_list_free_full (container->children, g_object_unref);

  G_OBJECT_CLASS (_gtk_container_cell_accessible_parent_class)->finalize (obj);
}


static gint
gtk_container_cell_accessible_get_n_children (AtkObject *obj)
{
  GtkContainerCellAccessible *cell = GTK_CONTAINER_CELL_ACCESSIBLE (obj);

  return cell->NChildren;
}

static AtkObject *
gtk_container_cell_accessible_ref_child (AtkObject *obj,
                                         gint       child)
{
  GtkContainerCellAccessible *cell = GTK_CONTAINER_CELL_ACCESSIBLE (obj);
  GList *l;

  l = g_list_nth (cell->children, child);
  if (l == NULL)
    return NULL;

  return g_object_ref (ATK_OBJECT (l->data));
}

60 61 62 63 64 65 66 67 68 69 70 71
static void
gtk_container_cell_accessible_update_cache (GtkCellAccessible *cell)
{
  GtkContainerCellAccessible *container = GTK_CONTAINER_CELL_ACCESSIBLE (cell);
  GList *l;

  for (l = container->children; l; l = l->next)
    {
      _gtk_cell_accessible_update_cache (l->data);
    }
}

72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
static void
gtk_container_cell_widget_set (GtkAccessible *accessible)
{
  GtkContainerCellAccessible *container = GTK_CONTAINER_CELL_ACCESSIBLE (accessible);
  GList *l;

  for (l = container->children; l; l = l->next)
    {
      gtk_accessible_set_widget (l->data, gtk_accessible_get_widget (accessible));
    }

  GTK_ACCESSIBLE_CLASS (_gtk_container_cell_accessible_parent_class)->widget_unset (accessible);
}

static void
gtk_container_cell_widget_unset (GtkAccessible *accessible)
{
  GtkContainerCellAccessible *container = GTK_CONTAINER_CELL_ACCESSIBLE (accessible);
  GList *l;

  for (l = container->children; l; l = l->next)
    {
      gtk_accessible_set_widget (l->data, NULL);
    }

  GTK_ACCESSIBLE_CLASS (_gtk_container_cell_accessible_parent_class)->widget_unset (accessible);
}

100 101 102
static void
_gtk_container_cell_accessible_class_init (GtkContainerCellAccessibleClass *klass)
{
103
  GtkCellAccessibleClass *cell_class = GTK_CELL_ACCESSIBLE_CLASS (klass);
104
  GtkAccessibleClass *accessible_class = GTK_ACCESSIBLE_CLASS (klass);
105
  AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
106 107 108 109 110 111
  GObjectClass *g_object_class = G_OBJECT_CLASS (klass);

  g_object_class->finalize = gtk_container_cell_accessible_finalize;

  class->get_n_children = gtk_container_cell_accessible_get_n_children;
  class->ref_child = gtk_container_cell_accessible_ref_child;
112

113 114 115
  accessible_class->widget_unset = gtk_container_cell_widget_set;
  accessible_class->widget_unset = gtk_container_cell_widget_unset;

116
  cell_class->update_cache = gtk_container_cell_accessible_update_cache;
117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150
}

static void
_gtk_container_cell_accessible_init (GtkContainerCellAccessible *cell)
{
}

GtkContainerCellAccessible *
_gtk_container_cell_accessible_new (void)
{
  GObject *object;
  AtkObject *atk_object;
  GtkContainerCellAccessible *container;

  object = g_object_new (GTK_TYPE_CONTAINER_CELL_ACCESSIBLE, NULL);

  g_return_val_if_fail (object != NULL, NULL);

  atk_object = ATK_OBJECT (object);
  atk_object->role = ATK_ROLE_TABLE_CELL;

  container = GTK_CONTAINER_CELL_ACCESSIBLE (object);
  container->children = NULL;
  container->NChildren = 0;
  return container;
}

void
_gtk_container_cell_accessible_add_child (GtkContainerCellAccessible *container,
                                          GtkCellAccessible          *child)
{
  g_return_if_fail (GTK_IS_CONTAINER_CELL_ACCESSIBLE (container));
  g_return_if_fail (GTK_IS_CELL_ACCESSIBLE (child));

151
  container->NChildren++;
152 153 154 155 156 157 158 159 160 161 162 163 164 165 166
  container->children = g_list_append (container->children, child);
  atk_object_set_parent (ATK_OBJECT (child), ATK_OBJECT (container));
}

void
_gtk_container_cell_accessible_remove_child (GtkContainerCellAccessible *container,
                                             GtkCellAccessible          *child)
{
  g_return_if_fail (GTK_IS_CONTAINER_CELL_ACCESSIBLE (container));
  g_return_if_fail (GTK_IS_CELL_ACCESSIBLE (child));
  g_return_if_fail (container->NChildren > 0);

  container->children = g_list_remove (container->children, child);
  container->NChildren--;
}