forked from AuroraMiddleware/gtk
1af004361c
Instead of 6 vfuncs, we now have 3 and rely on the factory keeping track of what it needs to do. We're doing lots of dancing from one object to another here, but this will hopefully get simpler with further commits.
125 lines
4.1 KiB
C
125 lines
4.1 KiB
C
/*
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* Copyright © 2019 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 "gtkfunctionslistitemfactory.h"
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#include "gtklistitemfactoryprivate.h"
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#include "gtklistitemprivate.h"
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struct _GtkFunctionsListItemFactory
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{
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GtkListItemFactory parent_instance;
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GtkListItemSetupFunc setup_func;
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GtkListItemBindFunc bind_func;
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gpointer user_data;
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GDestroyNotify user_destroy;
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};
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struct _GtkFunctionsListItemFactoryClass
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{
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GtkListItemFactoryClass parent_class;
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};
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G_DEFINE_TYPE (GtkFunctionsListItemFactory, gtk_functions_list_item_factory, GTK_TYPE_LIST_ITEM_FACTORY)
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static void
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gtk_functions_list_item_factory_setup (GtkListItemFactory *factory,
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GtkListItemWidget *widget,
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GtkListItem *list_item)
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{
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GtkFunctionsListItemFactory *self = GTK_FUNCTIONS_LIST_ITEM_FACTORY (factory);
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if (self->setup_func)
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self->setup_func (list_item, self->user_data);
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GTK_LIST_ITEM_FACTORY_CLASS (gtk_functions_list_item_factory_parent_class)->setup (factory, widget, list_item);
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if (gtk_list_item_get_item (list_item) != NULL && self->bind_func)
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self->bind_func (list_item, self->user_data);
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}
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static void
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gtk_functions_list_item_factory_update (GtkListItemFactory *factory,
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GtkListItemWidget *widget,
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GtkListItem *list_item,
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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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GtkFunctionsListItemFactory *self = GTK_FUNCTIONS_LIST_ITEM_FACTORY (factory);
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GTK_LIST_ITEM_FACTORY_CLASS (gtk_functions_list_item_factory_parent_class)->update (factory, widget, list_item, position, item, selected);
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if (item != NULL && self->bind_func)
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self->bind_func (list_item, self->user_data);
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}
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static void
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gtk_functions_list_item_factory_finalize (GObject *object)
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{
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GtkFunctionsListItemFactory *self = GTK_FUNCTIONS_LIST_ITEM_FACTORY (object);
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if (self->user_destroy)
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self->user_destroy (self->user_data);
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G_OBJECT_CLASS (gtk_functions_list_item_factory_parent_class)->finalize (object);
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}
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static void
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gtk_functions_list_item_factory_class_init (GtkFunctionsListItemFactoryClass *klass)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (klass);
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GtkListItemFactoryClass *factory_class = GTK_LIST_ITEM_FACTORY_CLASS (klass);
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object_class->finalize = gtk_functions_list_item_factory_finalize;
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factory_class->setup = gtk_functions_list_item_factory_setup;
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factory_class->update = gtk_functions_list_item_factory_update;
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}
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static void
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gtk_functions_list_item_factory_init (GtkFunctionsListItemFactory *self)
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{
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}
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GtkListItemFactory *
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gtk_functions_list_item_factory_new (GtkListItemSetupFunc setup_func,
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GtkListItemBindFunc bind_func,
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gpointer user_data,
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GDestroyNotify user_destroy)
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{
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GtkFunctionsListItemFactory *self;
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g_return_val_if_fail (setup_func || bind_func, NULL);
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g_return_val_if_fail (user_data != NULL || user_destroy == NULL, NULL);
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self = g_object_new (GTK_TYPE_FUNCTIONS_LIST_ITEM_FACTORY, NULL);
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self->setup_func = setup_func;
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self->bind_func = bind_func;
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self->user_data = user_data;
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self->user_destroy = user_destroy;
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return GTK_LIST_ITEM_FACTORY (self);
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}
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