+static gint filter_table_sort_cb(GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
+{
+ gint n = GPOINTER_TO_INT(data);
+ gint ret = 0;
+ FilterEntry *filter_a;
+ FilterEntry *filter_b;
+
+ gtk_tree_model_get(model, a, 0, &filter_a, -1);
+ gtk_tree_model_get(model, b, 0, &filter_b, -1);
+
+ switch (n)
+ {
+ case FILETYPES_COLUMN_DESCRIPTION:
+ {
+ ret = g_utf8_collate(filter_a->description, filter_b->description);
+ break;
+ }
+ case FILETYPES_COLUMN_CLASS:
+ {
+ ret = g_strcmp0(format_class_list[filter_a->file_class], format_class_list[filter_b->file_class]);
+ break;
+ }
+ case FILETYPES_COLUMN_WRITABLE:
+ {
+ ret = filter_a->writable - filter_b->writable;
+ break;
+ }
+ case FILETYPES_COLUMN_SIDECAR:
+ {
+ ret = filter_a->allow_sidecar - filter_b->allow_sidecar;
+ break;
+ }
+ default:
+ g_return_val_if_reached(0);
+ }
+
+ return ret;
+}
+
+static gboolean search_function_cb(GtkTreeModel *model, gint column, const gchar *key, GtkTreeIter *iter, gpointer search_data)
+{
+ FilterEntry *fe;
+ gboolean ret = TRUE;
+
+ gtk_tree_model_get(model, iter, 0, &fe, -1);
+
+ if (g_strstr_len(fe->extensions, -1, key))
+ {
+ ret = FALSE;
+ }
+
+ return ret;
+}
+