153 lines
4.7 KiB
C
153 lines
4.7 KiB
C
/* GTK+ - accessibility implementations
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* Copyright 2001 Sun Microsystems Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include <gtk/gtk.h>
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#include "gtkbooleancellaccessible.h"
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struct _GtkBooleanCellAccessiblePrivate
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{
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gboolean cell_value;
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gboolean cell_sensitive;
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};
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static AtkActionIface *parent_action_iface;
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static gint
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gtk_boolean_cell_accessible_get_n_actions (AtkAction *action)
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{
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return parent_action_iface->get_n_actions (action) + 1;
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}
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static const gchar *
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gtk_boolean_cell_accessible_get_description (AtkAction *action,
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gint i)
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{
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if (i == 0)
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return "toggles the cell";
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return parent_action_iface->get_description (action, i - 1);
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}
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static const gchar *
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gtk_boolean_cell_accessible_action_get_name (AtkAction *action,
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gint i)
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{
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if (i == 0)
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return "toggle";
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return parent_action_iface->get_description (action, i - 1);
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}
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static gboolean
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gtk_boolean_cell_accessible_do_action (AtkAction *action,
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gint i)
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{
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if (i == 0)
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return parent_action_iface->do_action (action, 2);
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else
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return parent_action_iface->do_action (action, i - 1);
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}
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static void
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gtk_boolean_cell_accessible_action_interface_init (AtkActionIface *iface)
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{
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parent_action_iface = g_type_interface_peek_parent (iface);
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iface->do_action = gtk_boolean_cell_accessible_do_action;
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iface->get_n_actions = gtk_boolean_cell_accessible_get_n_actions;
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iface->get_description = gtk_boolean_cell_accessible_get_description;
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iface->get_name = gtk_boolean_cell_accessible_action_get_name;
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}
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G_DEFINE_TYPE_EXTENDED (GtkBooleanCellAccessible, gtk_boolean_cell_accessible, GTK_TYPE_RENDERER_CELL_ACCESSIBLE, 0,
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G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, gtk_boolean_cell_accessible_action_interface_init))
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static AtkStateSet *
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gtk_boolean_cell_accessible_ref_state_set (AtkObject *accessible)
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{
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GtkBooleanCellAccessible *cell = GTK_BOOLEAN_CELL_ACCESSIBLE (accessible);
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AtkStateSet *state_set;
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state_set = ATK_OBJECT_CLASS (gtk_boolean_cell_accessible_parent_class)->ref_state_set (accessible);
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if (cell->priv->cell_value)
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atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
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if (cell->priv->cell_sensitive)
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atk_state_set_add_state (state_set, ATK_STATE_SENSITIVE);
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else
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atk_state_set_remove_state (state_set, ATK_STATE_SENSITIVE);
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return state_set;
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}
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static void
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gtk_boolean_cell_accessible_update_cache (GtkCellAccessible *cell)
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{
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GtkBooleanCellAccessible *boolean_cell = GTK_BOOLEAN_CELL_ACCESSIBLE (cell);
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gboolean active;
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gboolean sensitive;
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GtkCellRenderer *renderer;
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g_object_get (cell, "renderer", &renderer, NULL);
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g_object_get (renderer,
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"active", &active,
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"sensitive", &sensitive,
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NULL);
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g_object_unref (renderer);
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if (boolean_cell->priv->cell_value != active)
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{
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boolean_cell->priv->cell_value = !boolean_cell->priv->cell_value;
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atk_object_notify_state_change (ATK_OBJECT (cell), ATK_STATE_CHECKED, active);
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}
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if (boolean_cell->priv->cell_sensitive != sensitive)
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{
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boolean_cell->priv->cell_sensitive = !boolean_cell->priv->cell_sensitive;
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atk_object_notify_state_change (ATK_OBJECT (cell), ATK_STATE_CHECKED, sensitive);
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}
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}
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static void
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gtk_boolean_cell_accessible_class_init (GtkBooleanCellAccessibleClass *klass)
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{
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GtkCellAccessibleClass *cell_class = GTK_CELL_ACCESSIBLE_CLASS (klass);
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AtkObjectClass *atkobject_class = ATK_OBJECT_CLASS (klass);
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atkobject_class->ref_state_set = gtk_boolean_cell_accessible_ref_state_set;
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cell_class->update_cache = gtk_boolean_cell_accessible_update_cache;
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g_type_class_add_private (klass, sizeof (GtkBooleanCellAccessiblePrivate));
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}
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static void
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gtk_boolean_cell_accessible_init (GtkBooleanCellAccessible *cell)
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{
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cell->priv = G_TYPE_INSTANCE_GET_PRIVATE (cell,
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GTK_TYPE_BOOLEAN_CELL_ACCESSIBLE,
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GtkBooleanCellAccessiblePrivate);
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}
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