claws-mail/src/undo.h

85 lines
2.1 KiB
C

/*
* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
* Copyright (C) 1999-2012 Hiroyuki Yamamoto and the Claws Mail team
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
/* code ported from gedit */
#ifndef __UNDO_H__
#define __UNDO_H__
#include <glib.h>
#include <gtk/gtk.h>
typedef enum
{
UNDO_ACTION_INSERT,
UNDO_ACTION_DELETE,
UNDO_ACTION_REPLACE_INSERT,
UNDO_ACTION_REPLACE_DELETE
} UndoAction;
typedef enum
{
UNDO_STATE_TRUE,
UNDO_STATE_FALSE,
UNDO_STATE_UNCHANGED,
UNDO_STATE_REFRESH
} UndoState;
typedef struct _UndoMain UndoMain;
typedef struct _UndoWrap UndoWrap;
typedef void (*UndoChangeStateFunc) (UndoMain *undostruct,
gint undo_state,
gint redo_state,
gpointer data);
struct _UndoMain
{
GtkTextView *textview;
GList *undo;
GList *redo;
UndoChangeStateFunc change_state_func;
gpointer change_state_data;
gboolean undo_state : 1;
gboolean redo_state : 1;
gint paste;
UndoWrap *wrap_info;
};
UndoMain *undo_init (GtkWidget *text);
void undo_destroy (UndoMain *undostruct);
void undo_set_change_state_func (UndoMain *undostruct,
UndoChangeStateFunc func,
gpointer data);
void undo_undo (UndoMain *undostruct);
void undo_redo (UndoMain *undostruct);
void undo_block (UndoMain *undostruct);
void undo_unblock (UndoMain *undostruct);
void undo_wrapping (UndoMain *undostruct,
gboolean wrap);
void undo_paste_clipboard (GtkTextView *textview,
UndoMain *undostruct);
#endif /* __UNDO_H__ */