Class: KeyboardInput

Inherits:
Object
  • Object
show all
Defined in:
lib/keyboard_input.rb

Overview

does the jruby check inline

Instance Method Summary collapse

Constructor Details

#initialize(fella) ⇒ KeyboardInput

Returns a new instance of KeyboardInput.



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# File 'lib/keyboard_input.rb', line 9

def initialize fella
 @fella = fella
end

Instance Method Details

#get_line_printout ⇒ Object 



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# File 'lib/keyboard_input.rb', line 20

def get_line_printout
   status  = @fella.status
   # scary hard coded values here...
   " " * 20 + "\b"*150 + status
end

#getch ⇒ Object 



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# File 'lib/keyboard_input.rb', line 26

def getch
 @getch ||= Win32API.new('crtdll', '_getch', [], 'L')
 @getch.call
end

#handle_keystroke(ch) ⇒ Object 



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# File 'lib/keyboard_input.rb', line 40

def handle_keystroke ch
  string = "" << ch
  @fella.keyboard_input(string)
end

#handle_keystrokes_forever ⇒ Object 



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# File 'lib/keyboard_input.rb', line 31

def handle_keystrokes_forever
  raise 'only jruby supported, as it looks just too messy in normal ruby' unless OS.java?
  while(ch = getch)
    return if ch.in? [3, 113] # ctrl+c, q -> exit
    # lodo handle arrow keys, too, which is a bit more complicated...
    handle_keystroke ch
  end
end

#start_thread ⇒ Object 



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# File 'lib/keyboard_input.rb', line 13

def start_thread
 Thread.new { loop { 
   print get_line_printout
   sleep 0.1
  } }
end