gimp/plug-ins/imagemap/imap_cmd_cut.c

99 lines
2.7 KiB
C

/*
* This is a plug-in for the GIMP.
*
* Generates clickable image maps.
*
* Copyright (C) 1998-1999 Maurits Rijk lpeek.mrijk@consunet.nl
*
* 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 "imap_cmd_delete.h"
#include "imap_cmd_cut.h"
#include "imap_main.h"
static void cut_command_destruct(Command_t *parent);
static gboolean cut_command_execute(Command_t *parent);
static void cut_command_undo(Command_t *parent);
static void cut_command_redo(Command_t *parent);
static CommandClass_t cut_command_class = {
cut_command_destruct,
cut_command_execute,
cut_command_undo,
cut_command_redo
};
typedef struct {
Command_t parent;
ObjectList_t *list;
ObjectList_t *paste_buffer;
} CutCommand_t;
Command_t*
cut_command_new(ObjectList_t *list)
{
CutCommand_t *command = g_new(CutCommand_t, 1);
command->list = list;
command->paste_buffer = NULL;
return command_init(&command->parent, "Cut", &cut_command_class);
}
static void
cut_command_destruct(Command_t *parent)
{
CutCommand_t *command = (CutCommand_t*) parent;
object_list_destruct(command->paste_buffer);
}
static void
remove_one_object(Object_t *obj, gpointer data)
{
CutCommand_t *command = (CutCommand_t*) data;
command_add_subcommand(&command->parent,
delete_command_new(command->list, obj));
}
static gboolean
cut_command_execute(Command_t *parent)
{
CutCommand_t *command = (CutCommand_t*) parent;
gpointer id;
command->paste_buffer = object_list_copy(command->paste_buffer,
get_paste_buffer());
id = object_list_add_remove_cb(command->list, remove_one_object, command);
object_list_cut(command->list);
object_list_remove_remove_cb(command->list, id);
redraw_preview(); /* Fix me! */
return TRUE;
}
static void
cut_command_undo(Command_t *parent)
{
CutCommand_t *command = (CutCommand_t*) parent;
object_list_copy(get_paste_buffer(), command->paste_buffer);
redraw_preview(); /* Fix me! */
}
static void
cut_command_redo(Command_t *command)
{
redraw_preview(); /* Fix me! */
}