class Fancyline::Tty::Vt100

• Fancyline::Tty::Vt100
• Fancyline::Tty
• Reference
• Object

Overview

Implements control codes for VT-100 compatible terminal emulators.

Defined in:

Constant Summary

CLEAR_LINE = "\e[2K"

CURSOR_TO_START = "\r"

PREPARE_LINE = CURSOR_TO_START + CLEAR_LINE

Constructors

• .new(io : IO)

Instance Method Summary

• #clear_line

  Clears the current line, no matter on which column the cursor is

• #clear_screen

  Clears the screen and moves the cursor to the top left

• #columns : Int32

  Terminal columns at program start.

• #cursor_restore(&)

  Saves the cursor position, yields, and restores it afterwards.

• #cursor_to_start

  Moves the cursor to the start of the current line

• #move_cursor(x, y)

  Moves the terminal cursor around relative to its position

• #prepare_line

  Clears the current line and places the cursor at the beginning of it

• #rows : Int32

  Terminal rows at program start.

• #winsize

  Currently always returns nil when not compiled with x86_64 and darwin flags

Constructor Detail

Instance Method Detail