mirror of https://github.com/GNOME/gimp.git
127 lines
3.3 KiB
C
127 lines
3.3 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995-2003 Spencer Kimball and Peter Mattis
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*
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* gimppluginmanager-history.c
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*/
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#include "config.h"
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#include <glib-object.h>
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#include "libgimpbase/gimpbase.h"
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#include "plug-in-types.h"
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#include "config/gimpcoreconfig.h"
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#include "core/gimp.h"
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#include "gimppluginmanager.h"
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#include "gimppluginmanager-history.h"
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#include "gimppluginprocedure.h"
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guint
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gimp_plug_in_manager_history_size (GimpPlugInManager *manager)
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{
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), 0);
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return MAX (1, manager->gimp->config->plug_in_history_size);
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}
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guint
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gimp_plug_in_manager_history_length (GimpPlugInManager *manager)
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{
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), 0);
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return g_slist_length (manager->history);
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}
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GimpPlugInProcedure *
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gimp_plug_in_manager_history_nth (GimpPlugInManager *manager,
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guint n)
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{
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g_return_val_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager), NULL);
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return g_slist_nth_data (manager->history, n);
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}
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void
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gimp_plug_in_manager_history_add (GimpPlugInManager *manager,
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GimpPlugInProcedure *procedure)
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{
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GSList *list;
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gint history_size;
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g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (procedure));
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/* return early if the procedure is already at the top */
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if (manager->history && manager->history->data == procedure)
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return;
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history_size = gimp_plug_in_manager_history_size (manager);
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manager->history = g_slist_remove (manager->history, procedure);
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manager->history = g_slist_prepend (manager->history, procedure);
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list = g_slist_nth (manager->history, history_size);
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if (list)
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{
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manager->history = g_slist_remove_link (manager->history, list);
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g_slist_free (list);
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}
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gimp_plug_in_manager_history_changed (manager);
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}
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void
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gimp_plug_in_manager_history_remove (GimpPlugInManager *manager,
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GimpPlugInProcedure *procedure)
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{
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GSList *link;
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g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
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g_return_if_fail (GIMP_IS_PLUG_IN_PROCEDURE (procedure));
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link = g_slist_find (manager->history, procedure);
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if (link)
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{
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manager->history = g_slist_delete_link (manager->history, link);
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gimp_plug_in_manager_history_changed (manager);
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}
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}
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void
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gimp_plug_in_manager_history_clear (GimpPlugInManager *manager)
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{
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g_return_if_fail (GIMP_IS_PLUG_IN_MANAGER (manager));
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if (manager->history)
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{
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g_slist_free (manager->history);
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manager->history = NULL;
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gimp_plug_in_manager_history_changed (manager);
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}
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}
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