gimp/plug-ins/imagemap/imap_cmd_copy_object.c

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/*
* 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_copy_object.h"
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#include "libgimp/stdplugins-intl.h"
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static void copy_object_command_destruct(Command_t *parent);
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static CmdExecuteValue_t copy_object_command_execute(Command_t *parent);
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static void copy_object_command_undo(Command_t *parent);
static CommandClass_t copy_object_command_class = {
copy_object_command_destruct,
copy_object_command_execute,
copy_object_command_undo,
NULL /* copy_object_command_redo */
};
typedef struct {
Command_t parent;
Object_t *obj;
ObjectList_t *paste_buffer;
} CopyObjectCommand_t;
Command_t*
copy_object_command_new(Object_t *obj)
{
CopyObjectCommand_t *command = g_new(CopyObjectCommand_t, 1);
command->obj = object_ref(obj);
command->paste_buffer = NULL;
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return command_init(&command->parent, _("Copy"),
&copy_object_command_class);
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}
static void
copy_object_command_destruct(Command_t *parent)
{
CopyObjectCommand_t *command = (CopyObjectCommand_t*) parent;
object_unref(command->obj);
}
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static CmdExecuteValue_t
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copy_object_command_execute(Command_t *parent)
{
CopyObjectCommand_t *command = (CopyObjectCommand_t*) parent;
ObjectList_t *paste_buffer = get_paste_buffer();
command->paste_buffer = object_list_copy(command->paste_buffer,
paste_buffer);
clear_paste_buffer();
object_list_append(paste_buffer, object_clone(command->obj));
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return CMD_APPEND;
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}
static void
copy_object_command_undo(Command_t *parent)
{
CopyObjectCommand_t *command = (CopyObjectCommand_t*) parent;
object_list_copy(get_paste_buffer(), command->paste_buffer);
}