path: root/widgets/text/e-text-model-repos.h

/*
 * e-text-model-repos.h - Standard ETextModelReposFn definitions
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) version 3.
 *
 * 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with the program; if not, see <http://www.gnu.org/licenses/>  
 *
 *
 * Authors:
 *      Jon Trowbridge <trow@ximian.com>
 *
 * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
 *
 */

#ifndef E_TEXT_MODEL_REPOS_H
#define E_TEXT_MODEL_REPOS_H

#include "e-text-model.h"

typedef struct {
    ETextModel *model;
    gint change;  /* Relative change to position. */
} EReposShift;

gint e_repos_shift (gint pos, gpointer data);


typedef struct {
    ETextModel *model;
    gint pos;  /* Position to move to.  Negative values count from the end buffer.
              (i.e. -1 puts cursor at the end, -2 one character from end, etc.) */
} EReposAbsolute;

gint e_repos_absolute (gint pos, gpointer data);


typedef struct {
    ETextModel *model;
    gint pos;  /* Location of first inserted character. */
    gint len;  /* Number of characters inserted. */
} EReposInsertShift;

gint e_repos_insert_shift (gint pos, gpointer data);


typedef struct {
    ETextModel *model;
    gint pos;  /* Location of first deleted character. */
    gint len;  /* Number of characters deleted. */
} EReposDeleteShift;

gint e_repos_delete_shift (gint pos, gpointer data);


/* For e_repos_clamp, data is a pointer to an ETextModel.  The only repositioning
   that occurs is to avoid buffer overruns. */

gint e_repos_clamp (gint pos, gpointer data);

#endif