#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 */