Class: XInputWrapper

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

Instance Method Summary collapse

Constructor Details

#initialize(device: '3', verbose: true, lookup: {}, debug: false) ⇒ XInputWrapper

Returns a new instance of XInputWrapper.



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# File 'lib/xinput_wrapper.rb', line 11

def initialize(device: '3', verbose: true, lookup: {}, debug: false )

  @lookup = {
    9 => :escape,
    37 => :control,
    50 => :shift,
    62 => :shift,
    64 => :alt,
    66 => :capslock,
    67 => :f1,
    68 => :f2,
    69 => :f3,
    70 => :f4,
    71 => :f5,
    72 => :f6,
    73 => :f7,
    74 => :f8,
    75 => :f9,
    76 => :f10,
    77 => :numlock,
    78 => :scroll_lock,
    92 => :alt,
    95 => :f11,
    96 => :f12,
    105 => :control,
    107 => :print_screen,
    110 => :home,
    111 => :up_arrow,
    112 => :pgup,
    113 => :left_arrow,
    114 => :right_arrow,
    115 => :end,
    116 => :down_arrow,
    117 => :pgdown,
    121 => :mute,
    122 => :vol_down,
    123 => :vol_up,
    127 => :pause_break,
    133 => :super,
    134 => :super,
    135 => :submenu,
    148 => :calc,
    150 => :sleep,
    151 => :wakeup,
    163 => :email,
    166 => :go_back,
    167 => :go_forward,
    171 => :next_track,
    172 => :play_stop,
    173 => :prev_track,
    174 => :stop,
    179 => :music,
    180 => :browser
  }.merge(lookup)
  
  @device, @verbose, @debug = device, verbose, debug
  
end

Instance Method Details

#listen ⇒ Object 



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# File 'lib/xinput_wrapper.rb', line 70

def listen()

  command = "xinput test-xi2 --root #{@device}"

  type = 0

  IO.popen(command).each_line do |x|
 
    #print "GOT ", x
    raw_type = x[/EVENT type (\d+)/,1]

    type = raw_type.to_i unless raw_type.nil?
    
    # type = 13 means a key has been pressed
    if type == 13 then

      keycode = x[/detail: (\d+)/,1].to_i
      next if keycode == 0

      puts 'keycode: ' + keycode.to_s if keycode > 0 and @verbose
      puts ('>keycode: ' + keycode.to_s).debug  if @debug
      
      on_key_press(keycode)

      key = @lookup[keycode]
      puts ('key: ' + key.inspect).debug if @debug

      if key then
        puts key.to_s + ' key presssed' if @verbose
        name = "on_#{key}_key".to_sym
        method(name).call if self.protected_methods.include? name
      end        

    end
  end
end