1 files changed, 38 insertions, 0 deletions
diff --git a/include/mbsedit.h b/include/mbsedit.h
new file mode 100644
index 0000000..ed7960f
--- /dev/null
+++ b/include/mbsedit.h
@@ -0,0 +1,38 @@
+/*
+ * 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 */