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/*
* Copyright © 2023 Benjamin Otte
*
* 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 2.1 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/>.
*
* Authors: Benjamin Otte <otte@gnome.org>
*/
#include "config.h"
#include "gtklistitembaseprivate.h"
#include "gtkaccessible.h"
typedef struct _GtkListItemBasePrivate GtkListItemBasePrivate;
struct _GtkListItemBasePrivate
{
GObject *item;
guint position;
gboolean selected;
};
G_DEFINE_TYPE_WITH_PRIVATE (GtkListItemBase, gtk_list_item_base, GTK_TYPE_WIDGET)
static void
gtk_list_item_base_default_update (GtkListItemBase *self,
guint position,
gpointer item,
gboolean selected)
{
GtkListItemBasePrivate *priv = gtk_list_item_base_get_instance_private (self);
g_set_object (&priv->item, item);
priv->position = position;
priv->selected = selected;
}
static void
gtk_list_item_base_dispose (GObject *object)
{
GtkListItemBase *self = GTK_LIST_ITEM_BASE (object);
GtkListItemBasePrivate *priv = gtk_list_item_base_get_instance_private (self);
g_clear_object (&priv->item);
G_OBJECT_CLASS (gtk_list_item_base_parent_class)->dispose (object);
}
static void
gtk_list_item_base_class_init (GtkListItemBaseClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
klass->update = gtk_list_item_base_default_update;
gobject_class->dispose = gtk_list_item_base_dispose;
}
static void
gtk_list_item_base_init (GtkListItemBase *self)
{
}
void
gtk_list_item_base_update (GtkListItemBase *self,
guint position,
gpointer item,
gboolean selected)
{
GtkListItemBasePrivate *priv = gtk_list_item_base_get_instance_private (self);
gboolean was_selected;
if (priv->position == position &&
priv->item == item &&
priv->selected == selected)
return;
was_selected = priv->selected;
GTK_LIST_ITEM_BASE_GET_CLASS (self)->update (self, position, item, selected);
/* don't look at selected variable, it's not reentrancy safe */
if (was_selected != priv->selected)
{
if (priv->selected)
gtk_widget_set_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED, FALSE);
else
gtk_widget_unset_state_flags (GTK_WIDGET (self), GTK_STATE_FLAG_SELECTED);
}
/* We're updating the a11y state at least once because of the side-effects, subsequent same state filtering is done on the a11y layer. */
gtk_accessible_update_state (GTK_ACCESSIBLE (self),
GTK_ACCESSIBLE_STATE_SELECTED, priv->selected,
-1);
}
guint
gtk_list_item_base_get_position (GtkListItemBase *self)
{
GtkListItemBasePrivate *priv = gtk_list_item_base_get_instance_private (self);
return priv->position;
}
gpointer
gtk_list_item_base_get_item (GtkListItemBase *self)
{
GtkListItemBasePrivate *priv = gtk_list_item_base_get_instance_private (self);
return priv->item;
}
gboolean
gtk_list_item_base_get_selected (GtkListItemBase *self)
{
GtkListItemBasePrivate *priv = gtk_list_item_base_get_instance_private (self);
return priv->selected;
}
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