diff options
Diffstat (limited to 'src/undo.h')
-rw-r--r-- | src/undo.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/src/undo.h b/src/undo.h new file mode 100644 index 00000000..1376d1e3 --- /dev/null +++ b/src/undo.h @@ -0,0 +1,80 @@ +/* + * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client + * Copyright (C) 1999-2001 Hiroyuki Yamamoto + * + * 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. + */ + +/* code ported from gedit */ + +#ifndef __UNDO_H__ +#define __UNDO_H__ + +#include <glib.h> +#include <gtk/gtktextview.h> +#include <gtk/gtkitemfactory.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 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; +}; + +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); + +#endif /* __UNDO_H__ */ |