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/*
* Copyright (C) 2013 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 "gtklistboxaccessibleprivate.h"
#include "gtk/gtklistbox.h"
static void atk_selection_interface_init (AtkSelectionIface *iface);
G_DEFINE_TYPE_WITH_CODE (GtkListBoxAccessible, gtk_list_box_accessible, GTK_TYPE_CONTAINER_ACCESSIBLE,
G_IMPLEMENT_INTERFACE (ATK_TYPE_SELECTION, atk_selection_interface_init))
static void
gtk_list_box_accessible_init (GtkListBoxAccessible *accessible)
{
}
static void
gtk_list_box_accessible_initialize (AtkObject *obj,
gpointer data)
{
ATK_OBJECT_CLASS (gtk_list_box_accessible_parent_class)->initialize (obj, data);
obj->role = ATK_ROLE_LIST_BOX;
}
static AtkStateSet*
gtk_list_box_accessible_ref_state_set (AtkObject *obj)
{
AtkStateSet *state_set;
GtkWidget *widget;
state_set = ATK_OBJECT_CLASS (gtk_list_box_accessible_parent_class)->ref_state_set (obj);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget != NULL)
atk_state_set_add_state (state_set, ATK_STATE_MANAGES_DESCENDANTS);
return state_set;
}
static void
gtk_list_box_accessible_class_init (GtkListBoxAccessibleClass *klass)
{
AtkObjectClass *object_class = ATK_OBJECT_CLASS (klass);
object_class->initialize = gtk_list_box_accessible_initialize;
object_class->ref_state_set = gtk_list_box_accessible_ref_state_set;
}
static gboolean
gtk_list_box_accessible_add_selection (AtkSelection *selection,
gint idx)
{
GtkWidget *box;
GtkListBoxRow *row;
box = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (box == NULL)
return FALSE;
row = gtk_list_box_get_row_at_index (GTK_LIST_BOX (box), idx);
if (row)
{
gtk_list_box_select_row (GTK_LIST_BOX (box), row);
return TRUE;
}
return FALSE;
}
static gboolean
gtk_list_box_accessible_clear_selection (AtkSelection *selection)
{
GtkWidget *box;
box = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (box == NULL)
return FALSE;
gtk_list_box_select_row (GTK_LIST_BOX (box), NULL);
return TRUE;
}
static AtkObject *
gtk_list_box_accessible_ref_selection (AtkSelection *selection,
gint idx)
{
GtkWidget *box;
GtkListBoxRow *row;
AtkObject *accessible;
if (idx != 0)
return NULL;
box = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (box == NULL)
return NULL;
row = gtk_list_box_get_selected_row (GTK_LIST_BOX (box));
if (row == NULL)
return NULL;
accessible = gtk_widget_get_accessible (GTK_WIDGET (row));
g_object_ref (accessible);
return accessible;
}
static gint
gtk_list_box_accessible_get_selection_count (AtkSelection *selection)
{
GtkWidget *box;
GtkListBoxRow *row;
box = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (box == NULL)
return 0;
row = gtk_list_box_get_selected_row (GTK_LIST_BOX (box));
if (row == NULL)
return 0;
return 1;
}
static gboolean
gtk_list_box_accessible_is_child_selected (AtkSelection *selection,
gint idx)
{
GtkWidget *box;
GtkListBoxRow *row;
box = gtk_accessible_get_widget (GTK_ACCESSIBLE (selection));
if (box == NULL)
return FALSE;
row = gtk_list_box_get_selected_row (GTK_LIST_BOX (box));
if (row == NULL)
return FALSE;
return row == gtk_list_box_get_row_at_index (GTK_LIST_BOX (box), idx);
}
static void atk_selection_interface_init (AtkSelectionIface *iface)
{
iface->add_selection = gtk_list_box_accessible_add_selection;
iface->clear_selection = gtk_list_box_accessible_clear_selection;
iface->ref_selection = gtk_list_box_accessible_ref_selection;
iface->get_selection_count = gtk_list_box_accessible_get_selection_count;
iface->is_child_selected = gtk_list_box_accessible_is_child_selected;
}
void
_gtk_list_box_accessible_selection_changed (GtkListBox *box)
{
AtkObject *accessible;
accessible = gtk_widget_get_accessible (GTK_WIDGET (box));
g_signal_emit_by_name (accessible, "selection-changed");
}
void
_gtk_list_box_accessible_update_cursor (GtkListBox *box,
GtkListBoxRow *row)
{
AtkObject *accessible;
AtkObject *descendant;
accessible = gtk_widget_get_accessible (GTK_WIDGET (box));
descendant = row ? gtk_widget_get_accessible (GTK_WIDGET (row)) : NULL;
g_signal_emit_by_name (accessible, "active-descendant-changed", descendant);
}
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