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