PIKApp/app/widgets/pikamenufactory.c

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2023-09-26 00:35:21 +02:00
/* PIKA - Photo and Image Kooker Application
* a rebranding of The GNU Image Manipulation Program (created with heckimp)
* A derived work which may be trivial. However, any changes may be (C)2023 by Aldercone Studio
*
* Original copyright, applying to most contents (license remains unchanged):
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* pikamenufactory.c
* Copyright (C) 2001-2004 Michael Natterer <mitch@gimp.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include "config.h"
#include <string.h>
#include <gegl.h>
#include <gtk/gtk.h>
#include "libpikawidgets/pikawidgets.h"
#include "widgets-types.h"
#include "core/pika.h"
#include "pikaaction.h"
#include "pikaactionfactory.h"
#include "pikaactiongroup.h"
#include "pikamenufactory.h"
#include "pikauimanager.h"
struct _PikaMenuFactoryPrivate
{
Pika *pika;
PikaActionFactory *action_factory;
GList *registered_menus;
};
static void pika_menu_factory_finalize (GObject *object);
G_DEFINE_TYPE_WITH_PRIVATE (PikaMenuFactory, pika_menu_factory,
PIKA_TYPE_OBJECT)
#define parent_class pika_menu_factory_parent_class
static void
pika_menu_factory_class_init (PikaMenuFactoryClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->finalize = pika_menu_factory_finalize;
}
static void
pika_menu_factory_init (PikaMenuFactory *factory)
{
factory->p = pika_menu_factory_get_instance_private (factory);
}
static void
pika_menu_factory_finalize (GObject *object)
{
PikaMenuFactory *factory = PIKA_MENU_FACTORY (object);
GList *list;
for (list = factory->p->registered_menus; list; list = g_list_next (list))
{
PikaMenuFactoryEntry *entry = list->data;
GList *uis;
g_free (entry->identifier);
g_list_free_full (entry->action_groups, (GDestroyNotify) g_free);
for (uis = entry->managed_uis; uis; uis = g_list_next (uis))
{
PikaUIManagerUIEntry *ui_entry = uis->data;
g_free (ui_entry->ui_path);
g_free (ui_entry->basename);
g_clear_object (&ui_entry->builder);
g_slice_free (PikaUIManagerUIEntry, ui_entry);
}
g_hash_table_unref (entry->managers);
g_list_free (entry->managed_uis);
g_slice_free (PikaMenuFactoryEntry, entry);
}
g_list_free (factory->p->registered_menus);
factory->p->registered_menus = NULL;
g_clear_weak_pointer (&factory->p->action_factory);
G_OBJECT_CLASS (parent_class)->finalize (object);
}
PikaMenuFactory *
pika_menu_factory_new (Pika *pika,
PikaActionFactory *action_factory)
{
PikaMenuFactory *factory;
g_return_val_if_fail (PIKA_IS_PIKA (pika), NULL);
g_return_val_if_fail (PIKA_IS_ACTION_FACTORY (action_factory), NULL);
factory = g_object_new (PIKA_TYPE_MENU_FACTORY, NULL);
factory->p->pika = pika;
g_set_weak_pointer (&factory->p->action_factory, action_factory);
return factory;
}
void
pika_menu_factory_manager_register (PikaMenuFactory *factory,
const gchar *identifier,
const gchar *first_group,
...)
{
PikaMenuFactoryEntry *entry;
const gchar *group;
const gchar *ui_path;
va_list args;
g_return_if_fail (PIKA_IS_MENU_FACTORY (factory));
g_return_if_fail (identifier != NULL);
g_return_if_fail (first_group != NULL);
entry = g_slice_new0 (PikaMenuFactoryEntry);
entry->identifier = g_strdup (identifier);
factory->p->registered_menus = g_list_prepend (factory->p->registered_menus, entry);
va_start (args, first_group);
for (group = first_group;
group;
group = va_arg (args, const gchar *))
{
entry->action_groups = g_list_prepend (entry->action_groups,
g_strdup (group));
}
entry->action_groups = g_list_reverse (entry->action_groups);
ui_path = va_arg (args, const gchar *);
while (ui_path)
{
const gchar *ui_basename;
PikaUIManagerSetupFunc setup_func;
PikaUIManagerUIEntry *ui_entry;
ui_basename = va_arg (args, const gchar *);
setup_func = va_arg (args, PikaUIManagerSetupFunc);
ui_entry = g_slice_new0 (PikaUIManagerUIEntry);
ui_entry->ui_path = g_strdup (ui_path);
ui_entry->basename = g_strdup (ui_basename);
ui_entry->setup_func = setup_func;
entry->managed_uis = g_list_prepend (entry->managed_uis, ui_entry);
ui_path = va_arg (args, const gchar *);
}
entry->managed_uis = g_list_reverse (entry->managed_uis);
entry->managers = g_hash_table_new_full (g_direct_hash, g_direct_equal,
NULL, g_object_unref);
va_end (args);
}
GList *
pika_menu_factory_get_registered_menus (PikaMenuFactory *factory)
{
g_return_val_if_fail (PIKA_IS_MENU_FACTORY (factory), NULL);
return factory->p->registered_menus;
}
PikaUIManager *
pika_menu_factory_get_manager (PikaMenuFactory *factory,
const gchar *identifier,
gpointer callback_data)
{
GList *list;
g_return_val_if_fail (PIKA_IS_MENU_FACTORY (factory), NULL);
g_return_val_if_fail (identifier != NULL, NULL);
for (list = factory->p->registered_menus; list; list = g_list_next (list))
{
PikaMenuFactoryEntry *entry = list->data;
if (! strcmp (entry->identifier, identifier))
{
PikaUIManager *manager;
manager = g_hash_table_lookup (entry->managers, callback_data);
if (manager == NULL)
{
GList *list;
manager = pika_ui_manager_new (factory->p->pika, entry->identifier);
g_hash_table_insert (entry->managers, callback_data, manager);
for (list = entry->action_groups; list; list = g_list_next (list))
{
PikaActionGroup *group;
group = pika_action_factory_get_group (factory->p->action_factory,
(const gchar *) list->data,
callback_data);
pika_ui_manager_add_action_group (manager, group);
}
for (list = entry->managed_uis; list; list = g_list_next (list))
{
PikaUIManagerUIEntry *ui_entry = list->data;
pika_ui_manager_ui_register (manager,
ui_entry->ui_path,
ui_entry->basename,
ui_entry->setup_func);
}
}
return manager;
}
}
g_warning ("%s: no entry registered for \"%s\"",
G_STRFUNC, identifier);
return NULL;
}
void
pika_menu_factory_delete_manager (PikaMenuFactory *factory,
const gchar *identifier,
gpointer callback_data)
{
GList *list;
g_return_if_fail (PIKA_IS_MENU_FACTORY (factory));
g_return_if_fail (identifier != NULL);
for (list = factory->p->registered_menus; list; list = g_list_next (list))
{
PikaMenuFactoryEntry *entry = list->data;
if (g_strcmp0 (entry->identifier, identifier) == 0)
{
if (factory->p->action_factory != NULL)
for (GList *list2 = entry->action_groups; list2; list2 = g_list_next (list2))
pika_action_factory_delete_group (factory->p->action_factory,
(const gchar *) list2->data,
callback_data);
if (! g_hash_table_remove (entry->managers, callback_data))
g_warning ("%s: no PikaUIManager for (id \"%s\", data %p)",
G_STRFUNC, identifier, callback_data);
return;
}
}
g_warning ("%s: no entry registered for \"%s\"",
G_STRFUNC, identifier);
}