app/cut_n_paste.c

   1 /* Dia -- an diagram creation/manipulation program
   2  * Copyright (C) 1998 Alexander Larsson
   3  *
   4  * This program is free software; you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation; either version 2 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program; if not, write to the Free Software
  16  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  17  */
  18 #include <config.h>
  19
  20 #include <stdio.h>
  21
  22 #include "cut_n_paste.h"
  23 #include "object.h"
  24 #include "object_ops.h"
  25
  26 static GList *stored_list = NULL;
  27
  28 static void free_stored(void)
  29 {
  30   if (stored_list != NULL) {
  31     destroy_object_list(stored_list);
  32     stored_list = NULL;
  33   }
  34 }
  35
  36 void
  37 cnp_store_objects(GList *object_list)
  38 {
  39   free_stored();
  40   stored_list = object_list;
  41 }
  42
  43 GList *
  44 cnp_get_stored_objects(void)
  45 {
  46   GList *copied_list;
  47   copied_list = object_copy_list(stored_list);
  48   return copied_list;
  49 }
  50
  51 gint
  52 cnp_exist_stored_objects(void)
  53 {
  54   return (stored_list != NULL);
  55 }