83 lines
2 KiB
C
83 lines
2 KiB
C
/*
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* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 1999-2009 Hiroyuki Yamamoto and the Claws Mail team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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/* code ported from gedit */
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#ifndef __UNDO_H__
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#define __UNDO_H__
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#include <glib.h>
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#include <gtk/gtk.h>
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typedef enum
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{
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UNDO_ACTION_INSERT,
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UNDO_ACTION_DELETE,
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UNDO_ACTION_REPLACE_INSERT,
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UNDO_ACTION_REPLACE_DELETE
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} UndoAction;
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typedef enum
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{
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UNDO_STATE_TRUE,
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UNDO_STATE_FALSE,
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UNDO_STATE_UNCHANGED,
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UNDO_STATE_REFRESH
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} UndoState;
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typedef struct _UndoMain UndoMain;
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typedef void (*UndoChangeStateFunc) (UndoMain *undostruct,
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gint undo_state,
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gint redo_state,
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gpointer data);
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struct _UndoMain
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{
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GtkTextView *textview;
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GList *undo;
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GList *redo;
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UndoChangeStateFunc change_state_func;
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gpointer change_state_data;
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gboolean undo_state : 1;
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gboolean redo_state : 1;
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gint paste;
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gint wrap;
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};
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UndoMain *undo_init (GtkWidget *text);
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void undo_destroy (UndoMain *undostruct);
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void undo_set_change_state_func (UndoMain *undostruct,
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UndoChangeStateFunc func,
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gpointer data);
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void undo_undo (UndoMain *undostruct);
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void undo_redo (UndoMain *undostruct);
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void undo_block (UndoMain *undostruct);
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void undo_unblock (UndoMain *undostruct);
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void undo_wrapping (UndoMain *undostruct,
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gboolean wrap);
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void undo_paste_clipboard (GtkTextView *textview,
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UndoMain *undostruct);
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#endif /* __UNDO_H__ */
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