122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
/* GTK+ - accessibility implementations
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* Copyright 2001, 2002, 2003 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 <string.h>
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#include <gtk/gtk.h>
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#include "gtktogglebuttonaccessible.h"
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G_DEFINE_TYPE (GtkToggleButtonAccessible, gtk_toggle_button_accessible, GTK_TYPE_BUTTON_ACCESSIBLE)
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static void
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gtk_toggle_button_accessible_toggled (GtkWidget *widget)
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{
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AtkObject *accessible;
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GtkToggleButton *toggle_button;
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toggle_button = GTK_TOGGLE_BUTTON (widget);
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accessible = gtk_widget_get_accessible (widget);
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atk_object_notify_state_change (accessible, ATK_STATE_CHECKED,
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gtk_toggle_button_get_active (toggle_button));
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}
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static void
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gtk_toggle_button_accessible_initialize (AtkObject *obj,
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gpointer data)
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{
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ATK_OBJECT_CLASS (gtk_toggle_button_accessible_parent_class)->initialize (obj, data);
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g_signal_connect (data, "toggled",
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G_CALLBACK (gtk_toggle_button_accessible_toggled), NULL);
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obj->role = ATK_ROLE_TOGGLE_BUTTON;
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}
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static void
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gtk_toggle_button_accessible_notify_gtk (GObject *obj,
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GParamSpec *pspec)
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{
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GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (obj);
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AtkObject *atk_obj;
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gboolean sensitive;
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gboolean inconsistent;
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atk_obj = gtk_widget_get_accessible (GTK_WIDGET (toggle_button));
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sensitive = gtk_widget_get_sensitive (GTK_WIDGET (toggle_button));
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inconsistent = gtk_toggle_button_get_inconsistent (toggle_button);
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if (strcmp (pspec->name, "inconsistent") == 0)
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{
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atk_object_notify_state_change (atk_obj, ATK_STATE_INDETERMINATE, inconsistent);
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atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, (sensitive && !inconsistent));
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}
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else if (strcmp (pspec->name, "sensitive") == 0)
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{
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/* Need to override gailwidget behavior of notifying for ENABLED */
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atk_object_notify_state_change (atk_obj, ATK_STATE_SENSITIVE, sensitive);
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atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, (sensitive && !inconsistent));
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}
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else
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GTK_WIDGET_ACCESSIBLE_CLASS (gtk_toggle_button_accessible_parent_class)->notify_gtk (obj, pspec);
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}
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static AtkStateSet*
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gtk_toggle_button_accessible_ref_state_set (AtkObject *accessible)
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{
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AtkStateSet *state_set;
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GtkToggleButton *toggle_button;
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GtkWidget *widget;
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widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
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if (widget == NULL)
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return NULL;
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state_set = ATK_OBJECT_CLASS (gtk_toggle_button_accessible_parent_class)->ref_state_set (accessible);
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toggle_button = GTK_TOGGLE_BUTTON (widget);
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if (gtk_toggle_button_get_active (toggle_button))
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atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
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if (gtk_toggle_button_get_inconsistent (toggle_button))
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{
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atk_state_set_remove_state (state_set, ATK_STATE_ENABLED);
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atk_state_set_add_state (state_set, ATK_STATE_INDETERMINATE);
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}
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return state_set;
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}
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static void
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gtk_toggle_button_accessible_class_init (GtkToggleButtonAccessibleClass *klass)
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{
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AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
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GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass*)klass;
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widget_class->notify_gtk = gtk_toggle_button_accessible_notify_gtk;
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class->ref_state_set = gtk_toggle_button_accessible_ref_state_set;
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class->initialize = gtk_toggle_button_accessible_initialize;
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}
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static void
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gtk_toggle_button_accessible_init (GtkToggleButtonAccessible *button)
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{
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}
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