module PryRemoteEm::Client::Keyboard

Public Class Methods

new(c) click to toggle source
# File lib/pry-remote-em/client/keyboard.rb, line 7
def initialize(c)
  @con            = c
  # TODO check actual current values to determine if it's enabled or not
  @buff_enabled   = true

  bufferio(false)

  @old_trap = Signal.trap(:INT) do
    @con.send_shell_sig(:int)
  end
end

Public Instance Methods

bufferio(enable) click to toggle source

Makes stdin buffered or unbuffered. In unbuffered mode read and select will not wait for ā€œnā€; also will not echo characters. This probably does not work on Windows.

# File lib/pry-remote-em/client/keyboard.rb, line 33
def bufferio(enable)
  return if !defined?(Termios) || enable && @buff_enabled || !enable && !@buff_enabled
  attr = Termios.getattr($stdin)
  enable ? (attr.c_lflag |= Termios::ICANON | Termios::ECHO) : (attr.c_lflag &= ~(Termios::ICANON|Termios::ECHO))
  Termios.setattr($stdin, Termios::TCSANOW, attr)
  @buff_enabled = enable
end
receive_data(d) click to toggle source
# File lib/pry-remote-em/client/keyboard.rb, line 19
def receive_data(d)
  print d.chr
  @con.send_shell_data(d)
end
unbind() click to toggle source
# File lib/pry-remote-em/client/keyboard.rb, line 24
def unbind
  bufferio(true)

  Signal.trap(:INT, @old_trap)
end