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C/C++ Source or Header  |  1999-10-25  |  2.4 KB  |  80 lines
  1. /*
  2.  * This is a plug-in for the GIMP.
  3.  *
  4.  * Generates clickable image maps.
  5.  *
  6.  * Copyright (C) 1998-1999 Maurits Rijk  lpeek.mrijk@consunet.nl
  7.  *
  8.  * This program is free software; you can redistribute it and/or modify
  9.  * it under the terms of the GNU General Public License as published by
  10.  * the Free Software Foundation; either version 2 of the License, or
  11.  * (at your option) any later version.
  12.  *
  13.  * This program is distributed in the hope that it will be useful,
  14.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16.  * GNU General Public License for more details.
  17.  *
  18.  * You should have received a copy of the GNU General Public License
  19.  * along with this program; if not, write to the Free Software
  20.  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  21.  *
  22.  */
  23.  
  24. #include "imap_cmd_create.h"
  25. #include "libgimp/stdplugins-intl.h"
  26. #include "imap_main.h"
  27.  
  28. static CmdExecuteValue_t create_command_execute(Command_t *parent);
  29. static void create_command_destruct(Command_t *parent);
  30. static void create_command_undo(Command_t *parent);
  31.  
  32. static CommandClass_t create_command_class = {
  33.    create_command_destruct,
  34.    create_command_execute,
  35.    create_command_undo,
  36.    NULL                /* create_command_redo */
  37. };
  38.  
  39. typedef struct {
  40.    Command_t      parent;
  41.    ObjectList_t *list;
  42.    Object_t        *obj;
  43.    gboolean     changed;
  44. } CreateCommand_t;
  45.  
  46. Command_t* 
  47. create_command_new(ObjectList_t *list, Object_t *obj)
  48. {
  49.    CreateCommand_t *command = g_new(CreateCommand_t, 1);
  50.    command->list = list;
  51.    command->obj = object_ref(obj);
  52.    return command_init(&command->parent, _("Create"), &create_command_class);
  53. }
  54.  
  55. static void
  56. create_command_destruct(Command_t *parent)
  57. {
  58.    CreateCommand_t *command = (CreateCommand_t*) parent;
  59.    object_unref(command->obj);
  60. }
  61.  
  62. static CmdExecuteValue_t
  63. create_command_execute(Command_t *parent)
  64. {
  65.    CreateCommand_t *command = (CreateCommand_t*) parent;
  66.    command->changed = object_list_get_changed(command->list);
  67.    object_list_append(command->list, object_ref(command->obj));
  68.    redraw_preview();        /* fix me! */
  69.    return CMD_APPEND;
  70. }
  71.  
  72. static void
  73. create_command_undo(Command_t *parent)
  74. {
  75.    CreateCommand_t *command = (CreateCommand_t*) parent;
  76.    object_list_remove(command->list, command->obj);
  77.    object_list_set_changed(command->list, command->changed);
  78.    redraw_preview();        /* fix me! */
  79. }
  80.