[thirdparty/util-linux.git] / include / mbsedit.h

/*
 * 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 */
Commit	Line	Data
faeb1b64 KZ	1	/*
	2	* SPDX-License-Identifier: LGPL-2.1-or-later
	3	*
	4	* This file may be distributed under the terms of the
	5	* GNU Lesser General Public License.
	6	*/
299ef2c4 KZ	7	#ifndef UTIL_LINUX_MBSEDIT_H
	8	# define UTIL_LINUX_MBSEDIT_H
	9
	10	#include "mbsalign.h"
	11	#include "widechar.h"
	12
	13	struct mbs_editor {
	14	char buf; / buffer */
	15	size_t max_bytes; /* size of the buffer */
	16	size_t max_cells; /* maximal allowed number of cells */
	17	size_t cur_cells; /* number of cells to print the buffer */
	18	size_t cur_bytes; /* number of chars in bytes */
	19	size_t cursor; /* cursor position in bytes */
	20	size_t cursor_cells; /* cursor position in cells */
	21	};
	22
	23	enum {
	24	MBS_EDIT_LEFT,
	25	MBS_EDIT_RIGHT,
	26	MBS_EDIT_END,
	27	MBS_EDIT_HOME
	28	};
	29
	30	struct mbs_editor mbs_new_edit(char buf, size_t bufsz, size_t ncells);
	31	char mbs_free_edit(struct mbs_editor edit);
	32
	33	int mbs_edit_goto(struct mbs_editor *edit, int where);
	34	int mbs_edit_delete(struct mbs_editor *edit);
	35	int mbs_edit_backspace(struct mbs_editor *edit);
	36	int mbs_edit_insert(struct mbs_editor *edit, wint_t c);
	37
	38	#endif /* UTIL_LINUX_MBSEDIT_H */