gimp/app/core/gimpdatalist.c

285 lines
6.8 KiB
C

/* The GIMP -- an image manipulation program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "config.h"
#include <stdlib.h>
#include <string.h>
#include <gtk/gtk.h>
#include "libgimpmath/gimpmath.h"
#include "apptypes.h"
#include "appenv.h"
#include "gimpdata.h"
#include "gimpdatalist.h"
#include "libgimp/gimpintl.h"
static void gimp_data_list_class_init (GimpDataListClass *klass);
static void gimp_data_list_init (GimpDataList *list);
static void gimp_data_list_add (GimpContainer *container,
GimpObject *object);
static void gimp_data_list_remove (GimpContainer *container,
GimpObject *object);
static void gimp_data_list_uniquefy_data_name (GimpDataList *data_list,
GimpObject *object);
static void gimp_data_list_object_renamed_callback (GimpObject *object,
GimpDataList *data_list);
static gint gimp_data_list_data_compare_func (gconstpointer first,
gconstpointer second);
static GimpListClass *parent_class = NULL;
GtkType
gimp_data_list_get_type (void)
{
static GtkType type = 0;
if (!type)
{
GtkTypeInfo info =
{
"GimpDataList",
sizeof (GimpDataList),
sizeof (GimpDataListClass),
(GtkClassInitFunc) gimp_data_list_class_init,
(GtkObjectInitFunc) gimp_data_list_init,
/* reserved_1 */ NULL,
/* reserved_2 */ NULL,
(GtkClassInitFunc) NULL
};
type = gtk_type_unique (GIMP_TYPE_LIST, &info);
}
return type;
}
static void
gimp_data_list_class_init (GimpDataListClass *klass)
{
GimpContainerClass *container_class;
container_class = (GimpContainerClass *) klass;
parent_class = gtk_type_class (GIMP_TYPE_LIST);
container_class->add = gimp_data_list_add;
container_class->remove = gimp_data_list_remove;
}
static void
gimp_data_list_init (GimpDataList *list)
{
}
static void
gimp_data_list_add (GimpContainer *container,
GimpObject *object)
{
GimpList *list;
list = GIMP_LIST (container);
gimp_data_list_uniquefy_data_name (GIMP_DATA_LIST (container), object);
list->list = g_list_insert_sorted (list->list, object,
gimp_data_list_data_compare_func);
gtk_signal_connect (GTK_OBJECT (object), "name_changed",
GTK_SIGNAL_FUNC (gimp_data_list_object_renamed_callback),
container);
}
static void
gimp_data_list_remove (GimpContainer *container,
GimpObject *object)
{
GimpList *list;
list = GIMP_LIST (container);
gtk_signal_disconnect_by_func (GTK_OBJECT (object),
gimp_data_list_object_renamed_callback,
container);
list->list = g_list_remove (list->list, object);
}
GimpContainer *
gimp_data_list_new (GtkType children_type)
{
GimpDataList *list;
g_return_val_if_fail (gtk_type_is_a (children_type, GIMP_TYPE_DATA), NULL);
list = GIMP_DATA_LIST (gtk_type_new (GIMP_TYPE_DATA_LIST));
GIMP_CONTAINER (list)->children_type = children_type;
GIMP_CONTAINER (list)->policy = GIMP_CONTAINER_POLICY_STRONG;
return GIMP_CONTAINER (list);
}
static void
gimp_data_list_uniquefy_data_name (GimpDataList *data_list,
GimpObject *object)
{
GList *base_list;
GList *list;
GList *list2;
GimpObject *object2;
gint unique_ext = 0;
gchar *new_name = NULL;
gchar *ext;
gboolean have;
g_return_if_fail (GIMP_IS_DATA_LIST (data_list));
g_return_if_fail (GIMP_IS_OBJECT (object));
base_list = GIMP_LIST (data_list)->list;
have = gimp_container_have (GIMP_CONTAINER (data_list), object);
for (list = base_list; list; list = g_list_next (list))
{
object2 = GIMP_OBJECT (list->data);
if (object != object2 &&
strcmp (gimp_object_get_name (GIMP_OBJECT (object)),
gimp_object_get_name (GIMP_OBJECT (object2))) == 0)
{
ext = strrchr (object->name, '#');
if (ext)
{
gchar *ext_str;
unique_ext = atoi (ext + 1);
ext_str = g_strdup_printf ("%d", unique_ext);
/* check if the extension really is of the form "#<n>" */
if (! strcmp (ext_str, ext + 1))
{
*ext = '\0';
}
else
{
unique_ext = 0;
}
g_free (ext_str);
}
else
{
unique_ext = 0;
}
do
{
unique_ext++;
g_free (new_name);
new_name = g_strdup_printf ("%s#%d", object->name, unique_ext);
for (list2 = base_list; list2; list2 = g_list_next (list2))
{
object2 = GIMP_OBJECT (list2->data);
if (object == object2)
continue;
if (! strcmp (object2->name, new_name))
break;
}
}
while (list2);
if (have)
gtk_signal_handler_block_by_func
(GTK_OBJECT (object),
gimp_data_list_object_renamed_callback,
data_list);
gimp_object_set_name (object, new_name);
if (have)
gtk_signal_handler_unblock_by_func
(GTK_OBJECT (object),
gimp_data_list_object_renamed_callback,
data_list);
g_free (new_name);
break;
}
}
if (have)
{
gint old_index;
gint new_index = 0;
old_index = g_list_index (base_list, object);
for (list2 = base_list; list2; list2 = g_list_next (list2))
{
object2 = GIMP_OBJECT (list2->data);
if (object == object2)
continue;
if (strcmp (object->name, object2->name) > 0)
new_index++;
else
break;
}
if (new_index != old_index)
{
gimp_container_reorder (GIMP_CONTAINER (data_list),
object, new_index);
}
}
}
static void
gimp_data_list_object_renamed_callback (GimpObject *object,
GimpDataList *data_list)
{
gimp_data_list_uniquefy_data_name (data_list, object);
}
static gint
gimp_data_list_data_compare_func (gconstpointer first,
gconstpointer second)
{
return strcmp (((const GimpObject *) first)->name,
((const GimpObject *) second)->name);
}