gimp/app/widgets/gimplanguagestore.c

202 lines
5.9 KiB
C

/* GIMP - The GNU Image Manipulation Program
* Copyright (C) 1995 Spencer Kimball and Peter Mattis
*
* gimplanguagestore.c
* Copyright (C) 2008, 2009 Sven Neumann <sven@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 <gtk/gtk.h>
#include "widgets-types.h"
#include "gimplanguagestore.h"
#include "gimplanguagestore-parser.h"
static void gimp_language_store_constructed (GObject *object);
static void gimp_language_store_real_add (GimpLanguageStore *store,
const gchar *label,
const gchar *code);
static gint gimp_language_store_sort (GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer userdata);
G_DEFINE_TYPE (GimpLanguageStore, gimp_language_store, GTK_TYPE_LIST_STORE)
#define parent_class gimp_language_store_parent_class
static void
gimp_language_store_class_init (GimpLanguageStoreClass *klass)
{
GObjectClass *object_class = G_OBJECT_CLASS (klass);
object_class->constructed = gimp_language_store_constructed;
klass->add = gimp_language_store_real_add;
}
static void
gimp_language_store_init (GimpLanguageStore *store)
{
GType column_types[2] = { G_TYPE_STRING, G_TYPE_STRING };
gtk_list_store_set_column_types (GTK_LIST_STORE (store),
G_N_ELEMENTS (column_types), column_types);
gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (store),
GIMP_LANGUAGE_STORE_LABEL,
gimp_language_store_sort, NULL, NULL);
gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (store),
GIMP_LANGUAGE_STORE_LABEL,
GTK_SORT_ASCENDING);
}
static void
gimp_language_store_constructed (GObject *object)
{
GHashTable *lang_list;
GHashTableIter lang_iter;
gpointer code;
gpointer name;
G_OBJECT_CLASS (parent_class)->constructed (object);
lang_list = gimp_language_store_parser_get_languages (FALSE);
g_return_if_fail (lang_list != NULL);
g_hash_table_iter_init (&lang_iter, lang_list);
while (g_hash_table_iter_next (&lang_iter, &code, &name))
GIMP_LANGUAGE_STORE_GET_CLASS (object)->add (GIMP_LANGUAGE_STORE (object),
name, code);
}
static void
gimp_language_store_real_add (GimpLanguageStore *store,
const gchar *label,
const gchar *code)
{
GtkTreeIter iter;
gtk_list_store_append (GTK_LIST_STORE (store), &iter);
gtk_list_store_set (GTK_LIST_STORE (store), &iter,
GIMP_LANGUAGE_STORE_LABEL, label,
GIMP_LANGUAGE_STORE_CODE, code,
-1);
}
static gint
gimp_language_store_sort (GtkTreeModel *model,
GtkTreeIter *a,
GtkTreeIter *b,
gpointer userdata)
{
GValue avalue = G_VALUE_INIT;
GValue bvalue = G_VALUE_INIT;
gint cmp = 0;
/* keep system language at the top of the list */
gtk_tree_model_get_value (model, a, GIMP_LANGUAGE_STORE_CODE, &avalue);
gtk_tree_model_get_value (model, b, GIMP_LANGUAGE_STORE_CODE, &bvalue);
if (g_strcmp0 ("", g_value_get_string (&avalue)) == 0)
cmp = -1;
if (g_strcmp0 ("", g_value_get_string (&bvalue)) == 0)
cmp = 1;
g_value_unset (&avalue);
g_value_unset (&bvalue);
if (cmp)
return cmp;
/* sort labels alphabetically */
gtk_tree_model_get_value (model, a, GIMP_LANGUAGE_STORE_LABEL, &avalue);
gtk_tree_model_get_value (model, b, GIMP_LANGUAGE_STORE_LABEL, &bvalue);
cmp = g_utf8_collate (g_value_get_string (&avalue),
g_value_get_string (&bvalue));
g_value_unset (&avalue);
g_value_unset (&bvalue);
return cmp;
}
GtkListStore *
gimp_language_store_new (void)
{
return g_object_new (GIMP_TYPE_LANGUAGE_STORE, NULL);
}
gboolean
gimp_language_store_lookup (GimpLanguageStore *store,
const gchar *code,
GtkTreeIter *iter)
{
GtkTreeModel *model;
const gchar *hyphen;
gint len;
gboolean iter_valid;
g_return_val_if_fail (GIMP_IS_LANGUAGE_STORE (store), FALSE);
g_return_val_if_fail (code != NULL, FALSE);
g_return_val_if_fail (iter != NULL, FALSE);
/* We accept the code in RFC-3066 format here and only look at what's
* before the first hyphen.
*/
hyphen = strchr (code, '-');
if (hyphen)
len = hyphen - code;
else
len = strlen (code);
model = GTK_TREE_MODEL (store);
for (iter_valid = gtk_tree_model_get_iter_first (model, iter);
iter_valid;
iter_valid = gtk_tree_model_iter_next (model, iter))
{
gchar *value;
gtk_tree_model_get (model, iter,
GIMP_LANGUAGE_STORE_CODE, &value,
-1);
if (value && strncmp (code, value, len) == 0)
{
g_free (value);
break;
}
g_free (value);
}
return iter_valid;
}