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/*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This file may be distributed under the terms of the
* GNU Lesser General Public License.
*/
#ifndef UTIL_LINUX_MBSEDIT_H
# define UTIL_LINUX_MBSEDIT_H
#include "mbsalign.h"
#include "widechar.h"
struct mbs_editor {
char *buf; /* buffer */
size_t max_bytes; /* size of the buffer */
size_t max_cells; /* maximal allowed number of cells */
size_t cur_cells; /* number of cells to print the buffer */
size_t cur_bytes; /* number of chars in bytes */
size_t cursor; /* cursor position in bytes */
size_t cursor_cells; /* cursor position in cells */
};
enum {
MBS_EDIT_LEFT,
MBS_EDIT_RIGHT,
MBS_EDIT_END,
MBS_EDIT_HOME
};
struct mbs_editor *mbs_new_edit(char *buf, size_t bufsz, size_t ncells);
char *mbs_free_edit(struct mbs_editor *edit);
int mbs_edit_goto(struct mbs_editor *edit, int where);
int mbs_edit_delete(struct mbs_editor *edit);
int mbs_edit_backspace(struct mbs_editor *edit);
int mbs_edit_insert(struct mbs_editor *edit, wint_t c);
#endif /* UTIL_LINUX_MBSEDIT_H */
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