mirror of https://github.com/GNOME/gimp.git
287 lines
6.8 KiB
C
287 lines
6.8 KiB
C
/* The GIMP -- an image manipulation program
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* Copyright (C) 1995 Spencer Kimball and Peter Mattis
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*
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* gimpdatalist.c
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* Copyright (C) 2001 Michael Natterer <mitch@gimp.org>
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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 <stdlib.h>
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#include <string.h>
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#include <gtk/gtk.h>
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#include "libgimpmath/gimpmath.h"
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#include "core-types.h"
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#include "gimpdata.h"
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#include "gimpdatalist.h"
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#include "libgimp/gimpintl.h"
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static void gimp_data_list_class_init (GimpDataListClass *klass);
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static void gimp_data_list_init (GimpDataList *list);
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static void gimp_data_list_add (GimpContainer *container,
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GimpObject *object);
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static void gimp_data_list_remove (GimpContainer *container,
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GimpObject *object);
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static void gimp_data_list_uniquefy_data_name (GimpDataList *data_list,
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GimpObject *object);
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static void gimp_data_list_object_renamed_callback (GimpObject *object,
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GimpDataList *data_list);
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static gint gimp_data_list_data_compare_func (gconstpointer first,
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gconstpointer second);
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static GimpListClass *parent_class = NULL;
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GtkType
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gimp_data_list_get_type (void)
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{
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static GtkType type = 0;
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if (!type)
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{
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GtkTypeInfo info =
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{
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"GimpDataList",
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sizeof (GimpDataList),
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sizeof (GimpDataListClass),
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(GtkClassInitFunc) gimp_data_list_class_init,
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(GtkObjectInitFunc) gimp_data_list_init,
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/* reserved_1 */ NULL,
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/* reserved_2 */ NULL,
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(GtkClassInitFunc) NULL
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};
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type = gtk_type_unique (GIMP_TYPE_LIST, &info);
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}
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return type;
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}
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static void
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gimp_data_list_class_init (GimpDataListClass *klass)
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{
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GimpContainerClass *container_class;
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container_class = (GimpContainerClass *) klass;
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parent_class = gtk_type_class (GIMP_TYPE_LIST);
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container_class->add = gimp_data_list_add;
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container_class->remove = gimp_data_list_remove;
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}
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static void
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gimp_data_list_init (GimpDataList *list)
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{
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}
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static void
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gimp_data_list_add (GimpContainer *container,
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GimpObject *object)
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{
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GimpList *list;
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list = GIMP_LIST (container);
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gimp_data_list_uniquefy_data_name (GIMP_DATA_LIST (container), object);
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list->list = g_list_insert_sorted (list->list, object,
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gimp_data_list_data_compare_func);
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gtk_signal_connect (GTK_OBJECT (object), "name_changed",
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GTK_SIGNAL_FUNC (gimp_data_list_object_renamed_callback),
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container);
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}
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static void
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gimp_data_list_remove (GimpContainer *container,
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GimpObject *object)
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{
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GimpList *list;
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list = GIMP_LIST (container);
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gtk_signal_disconnect_by_func (GTK_OBJECT (object),
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gimp_data_list_object_renamed_callback,
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container);
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list->list = g_list_remove (list->list, object);
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}
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GimpContainer *
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gimp_data_list_new (GtkType children_type)
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{
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GimpDataList *list;
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g_return_val_if_fail (gtk_type_is_a (children_type, GIMP_TYPE_DATA), NULL);
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list = GIMP_DATA_LIST (gtk_type_new (GIMP_TYPE_DATA_LIST));
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GIMP_CONTAINER (list)->children_type = children_type;
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GIMP_CONTAINER (list)->policy = GIMP_CONTAINER_POLICY_STRONG;
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return GIMP_CONTAINER (list);
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}
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static void
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gimp_data_list_uniquefy_data_name (GimpDataList *data_list,
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GimpObject *object)
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{
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GList *base_list;
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GList *list;
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GList *list2;
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GimpObject *object2;
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gint unique_ext = 0;
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gchar *new_name = NULL;
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gchar *ext;
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gboolean have;
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g_return_if_fail (GIMP_IS_DATA_LIST (data_list));
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g_return_if_fail (GIMP_IS_OBJECT (object));
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base_list = GIMP_LIST (data_list)->list;
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have = gimp_container_have (GIMP_CONTAINER (data_list), object);
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for (list = base_list; list; list = g_list_next (list))
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{
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object2 = GIMP_OBJECT (list->data);
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if (object != object2 &&
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strcmp (gimp_object_get_name (GIMP_OBJECT (object)),
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gimp_object_get_name (GIMP_OBJECT (object2))) == 0)
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{
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ext = strrchr (object->name, '#');
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if (ext)
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{
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gchar *ext_str;
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unique_ext = atoi (ext + 1);
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ext_str = g_strdup_printf ("%d", unique_ext);
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/* check if the extension really is of the form "#<n>" */
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if (! strcmp (ext_str, ext + 1))
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{
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*ext = '\0';
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}
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else
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{
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unique_ext = 0;
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}
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g_free (ext_str);
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}
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else
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{
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unique_ext = 0;
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}
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do
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{
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unique_ext++;
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g_free (new_name);
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new_name = g_strdup_printf ("%s#%d", object->name, unique_ext);
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for (list2 = base_list; list2; list2 = g_list_next (list2))
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{
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object2 = GIMP_OBJECT (list2->data);
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if (object == object2)
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continue;
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if (! strcmp (object2->name, new_name))
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break;
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}
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}
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while (list2);
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if (have)
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gtk_signal_handler_block_by_func
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(GTK_OBJECT (object),
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gimp_data_list_object_renamed_callback,
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data_list);
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gimp_object_set_name (object, new_name);
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if (have)
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gtk_signal_handler_unblock_by_func
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(GTK_OBJECT (object),
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gimp_data_list_object_renamed_callback,
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data_list);
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g_free (new_name);
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break;
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}
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}
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if (have)
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{
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gint old_index;
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gint new_index = 0;
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old_index = g_list_index (base_list, object);
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for (list2 = base_list; list2; list2 = g_list_next (list2))
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{
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object2 = GIMP_OBJECT (list2->data);
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if (object == object2)
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continue;
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if (strcmp (object->name, object2->name) > 0)
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new_index++;
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else
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break;
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}
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if (new_index != old_index)
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{
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gimp_container_reorder (GIMP_CONTAINER (data_list),
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object, new_index);
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}
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}
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}
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static void
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gimp_data_list_object_renamed_callback (GimpObject *object,
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GimpDataList *data_list)
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{
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gimp_data_list_uniquefy_data_name (data_list, object);
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}
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static gint
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gimp_data_list_data_compare_func (gconstpointer first,
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gconstpointer second)
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{
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return strcmp (((const GimpObject *) first)->name,
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((const GimpObject *) second)->name);
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}
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