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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* e-text-model-repos.c - Standard ETextModelReposFn definitions
* Copyright 2000, 2001, Ximian, Inc.
*
* Authors:
* Jon Trowbridge <trow@ximian.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License, version 2, as published by the Free Software Foundation.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#include "e-text-model-repos.h"
#define MODEL_CLAMP(model, pos) (CLAMP((pos), 0, strlen((model)->text)))
gint
e_repos_shift (gint pos, gpointer data)
{
EReposShift *info = (EReposShift *) data;
g_return_val_if_fail (data, -1);
return e_text_model_validate_position (info->model, pos + info->change);
}
gint
e_repos_absolute (gint pos, gpointer data)
{
EReposAbsolute *info = (EReposAbsolute *) data;
g_return_val_if_fail (data, -1);
pos = info->pos;
if (pos < 0) {
gint len = e_text_model_get_text_length (info->model);
pos += len + 1;
}
return e_text_model_validate_position (info->model, pos);
}
gint
e_repos_insert_shift (gint pos, gpointer data)
{
EReposInsertShift *info = (EReposInsertShift *) data;
g_return_val_if_fail (data, -1);
if (pos >= info->pos)
pos += info->len;
return e_text_model_validate_position (info->model, pos);
}
gint
e_repos_delete_shift (gint pos, gpointer data)
{
EReposDeleteShift *info = (EReposDeleteShift *) data;
g_return_val_if_fail (data, -1);
if (pos > info->pos + info->len)
pos -= info->len;
else if (pos > info->pos)
pos = info->pos;
return e_text_model_validate_position (info->model, pos);
}
gint
e_repos_clamp (gint pos, gpointer data)
{
ETextModel *model;
g_return_val_if_fail (data != NULL && E_IS_TEXT_MODEL (data), -1);
model = E_TEXT_MODEL (data);
return e_text_model_validate_position (model, pos);
}
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