// Copyright (c) 2019-2023 Alexander Medvednikov. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
//
// Serves as a more advanced input method
// based on the work of https://github.com/AmokHuginnsson/replxx
//
module readline

import term.termios

// Winsize stores the screen information on Linux.
struct Winsize {
    ws_row    u16
    ws_col    u16
    ws_xpixel u16
    ws_ypixel u16
}

// Readline is the key struct for reading and holding user input via a terminal.
// Example: import readline { Readline }
pub struct Readline {
mut:
    is_raw            bool
    orig_termios      termios.Termios // Linux
    current           []rune // Line being edited
    cursor            int    // Cursor position
    overwrite         bool
    cursor_row_offset int
    prompt            string
    prompt_offset     int
    previous_lines    [][]rune
    skip_empty        bool // skip the empty lines when calling .history_previous()
    search_index      int
    is_tty            bool
}