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/* GTK+ - accessibility implementations
* Copyright 2012 Red Hat, 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, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <glib/gi18n-lib.h>
#include <gtk/gtk.h>
#include "gtkcolorswatchprivate.h"
#include "gtkcolorswatchaccessibleprivate.h"
static void atk_action_interface_init (AtkActionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkColorSwatchAccessible, _gtk_color_swatch_accessible, GTK_TYPE_WIDGET_ACCESSIBLE,
G_IMPLEMENT_INTERFACE (ATK_TYPE_ACTION, atk_action_interface_init))
static void
state_changed_cb (GtkWidget *widget,
GtkStateFlags previous_flags)
{
AtkObject *accessible;
GtkStateFlags flags;
gboolean was_selected;
gboolean selected;
flags = gtk_widget_get_state_flags (widget);
was_selected = (previous_flags & GTK_STATE_FLAG_SELECTED) != 0;
selected = (flags & GTK_STATE_FLAG_SELECTED) != 0;
accessible = gtk_widget_get_accessible (widget);
if (selected && !was_selected)
atk_object_notify_state_change (accessible, ATK_STATE_CHECKED, TRUE);
else if (!selected && was_selected)
atk_object_notify_state_change (accessible, ATK_STATE_CHECKED, FALSE);
}
static void
gtk_color_swatch_accessible_initialize (AtkObject *obj,
gpointer data)
{
ATK_OBJECT_CLASS (_gtk_color_swatch_accessible_parent_class)->initialize (obj, data);
g_signal_connect (data, "state-flags-changed",
G_CALLBACK (state_changed_cb), NULL);
atk_object_set_role (obj, ATK_ROLE_RADIO_BUTTON);
}
static AtkStateSet *
gtk_color_swatch_accessible_ref_state_set (AtkObject *accessible)
{
GtkWidget *widget;
AtkStateSet *state_set;
state_set = ATK_OBJECT_CLASS (_gtk_color_swatch_accessible_parent_class)->ref_state_set (accessible);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (accessible));
if (widget != NULL)
{
if ((gtk_widget_get_state_flags (widget) & GTK_STATE_FLAG_SELECTED) != 0)
atk_state_set_add_state (state_set, ATK_STATE_CHECKED);
}
return state_set;
}
static void
gtk_color_swatch_accessible_notify_gtk (GObject *obj,
GParamSpec *pspec)
{
GtkWidget *widget = GTK_WIDGET (obj);
AtkObject *atk_obj = gtk_widget_get_accessible (widget);
if (strcmp (pspec->name, "selectable") == 0)
{
if (gtk_color_swatch_get_selectable (GTK_COLOR_SWATCH (widget)))
atk_object_set_role (atk_obj, ATK_ROLE_RADIO_BUTTON);
else
atk_object_set_role (atk_obj, ATK_ROLE_PUSH_BUTTON);
}
else
GTK_WIDGET_ACCESSIBLE_CLASS (_gtk_color_swatch_accessible_parent_class)->notify_gtk (obj, pspec);
}
static void
_gtk_color_swatch_accessible_class_init (GtkColorSwatchAccessibleClass *klass)
{
AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
GtkWidgetAccessibleClass *widget_class = (GtkWidgetAccessibleClass *)klass;
atk_class->initialize = gtk_color_swatch_accessible_initialize;
atk_class->ref_state_set = gtk_color_swatch_accessible_ref_state_set;
widget_class->notify_gtk = gtk_color_swatch_accessible_notify_gtk;
}
static void
_gtk_color_swatch_accessible_init (GtkColorSwatchAccessible *scale)
{
}
static gint
gtk_color_swatch_accessible_get_n_actions (AtkAction *action)
{
return 3;
}
static const gchar *
gtk_color_swatch_accessible_get_keybinding (AtkAction *action,
gint i)
{
return NULL;
}
static const gchar *
gtk_color_swatch_accessible_get_name (AtkAction *action,
gint i)
{
switch (i)
{
case 0: return "select";
case 1: return "activate";
case 2: return "customize";
default: return NULL;
}
}
static const gchar *
gtk_color_swatch_accessible_get_localized_name (AtkAction *action,
gint i)
{
switch (i)
{
case 0: return C_("Action name", "Select");
case 1: return C_("Action name", "Activate");
case 2: return C_("Action name", "Customize");
default: return NULL;
}
}
static const gchar *
gtk_color_swatch_accessible_get_description (AtkAction *action,
gint i)
{
switch (i)
{
case 0: return C_("Action description", "Selects the color");
case 1: return C_("Action description", "Activates the color");
case 2: return C_("Action description", "Customizes the color");
default: return NULL;
}
}
static gboolean
gtk_color_swatch_accessible_do_action (AtkAction *action,
gint i)
{
GtkWidget *widget;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (action));
if (widget == NULL)
return FALSE;
switch (i)
{
case 0:
gtk_widget_set_state_flags (widget, GTK_STATE_FLAG_SELECTED, FALSE);
break;
case 1:
g_signal_emit_by_name (widget, "activate");
break;
case 2:
g_signal_emit_by_name (widget, "customize");
break;
default:
return FALSE;
}
return TRUE;
}
static void
atk_action_interface_init (AtkActionIface *iface)
{
iface->do_action = gtk_color_swatch_accessible_do_action;
iface->get_n_actions = gtk_color_swatch_accessible_get_n_actions;
iface->get_keybinding = gtk_color_swatch_accessible_get_keybinding;
iface->get_name = gtk_color_swatch_accessible_get_name;
iface->get_localized_name = gtk_color_swatch_accessible_get_localized_name;
iface->get_description = gtk_color_swatch_accessible_get_description;
}
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