gtk/modules/other/gail/gailtogglebutton.c

141 lines
4.7 KiB
C

/* GAIL - The GNOME Accessibility Implementation Library
* Copyright 2001, 2002, 2003 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
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <string.h>
#include <gtk/gtk.h>
#include "gailtogglebutton.h"
static void gail_toggle_button_class_init (GailToggleButtonClass *klass);
static void gail_toggle_button_init (GailToggleButton *button);
static void gail_toggle_button_toggled_gtk (GtkWidget *widget);
static void gail_toggle_button_real_notify_gtk (GObject *obj,
GParamSpec *pspec);
static void gail_toggle_button_real_initialize (AtkObject *obj,
gpointer data);
static AtkStateSet* gail_toggle_button_ref_state_set (AtkObject *accessible);
G_DEFINE_TYPE (GailToggleButton, gail_toggle_button, GAIL_TYPE_BUTTON)
static void
gail_toggle_button_class_init (GailToggleButtonClass *klass)
{
GailWidgetClass *widget_class;
AtkObjectClass *class = ATK_OBJECT_CLASS (klass);
widget_class = (GailWidgetClass*)klass;
widget_class->notify_gtk = gail_toggle_button_real_notify_gtk;
class->ref_state_set = gail_toggle_button_ref_state_set;
class->initialize = gail_toggle_button_real_initialize;
}
static void
gail_toggle_button_init (GailToggleButton *button)
{
}
static void
gail_toggle_button_real_initialize (AtkObject *obj,
gpointer data)
{
ATK_OBJECT_CLASS (gail_toggle_button_parent_class)->initialize (obj, data);
g_signal_connect (data,
"toggled",
G_CALLBACK (gail_toggle_button_toggled_gtk),
NULL);
if (GTK_IS_CHECK_BUTTON (data))
obj->role = ATK_ROLE_CHECK_BOX;
else
obj->role = ATK_ROLE_TOGGLE_BUTTON;
}
static void
gail_toggle_button_toggled_gtk (GtkWidget *widget)
{
AtkObject *accessible;
GtkToggleButton *toggle_button;
toggle_button = GTK_TOGGLE_BUTTON (widget);
accessible = gtk_widget_get_accessible (widget);
atk_object_notify_state_change (accessible, ATK_STATE_CHECKED,
toggle_button->active);
}
static AtkStateSet*
gail_toggle_button_ref_state_set (AtkObject *accessible)
{
AtkStateSet *state_set;
GtkToggleButton *toggle_button;
GtkWidget *widget;
state_set = ATK_OBJECT_CLASS (gail_toggle_button_parent_class)->ref_state_set (accessible);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget == NULL)
return state_set;
toggle_button = GTK_TOGGLE_BUTTON (widget);
if (gtk_toggle_button_get_active (toggle_button))
atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
if (gtk_toggle_button_get_inconsistent (toggle_button))
atk_state_set_remove_state (state_set, ATK_STATE_ENABLED);
return state_set;
}
static void
gail_toggle_button_real_notify_gtk (GObject *obj,
GParamSpec *pspec)
{
GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (obj);
AtkObject *atk_obj;
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (toggle_button));
if (strcmp (pspec->name, "inconsistent") == 0)
atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED,
(gtk_widget_get_sensitive (GTK_WIDGET (toggle_button)) &&
!gtk_toggle_button_get_inconsistent (toggle_button)));
else if (strcmp (pspec->name, "sensitive") == 0)
{
/* Need to override gailwidget behavior of notifying for ENABLED */
gboolean sensitive;
gboolean enabled;
sensitive = gtk_widget_get_sensitive (GTK_WIDGET (toggle_button));
enabled = sensitive &&
!gtk_toggle_button_get_inconsistent (toggle_button);
atk_object_notify_state_change (atk_obj, ATK_STATE_SENSITIVE, sensitive);
atk_object_notify_state_change (atk_obj, ATK_STATE_ENABLED, enabled);
}
else
GAIL_WIDGET_CLASS (gail_toggle_button_parent_class)->notify_gtk (obj, pspec);
}