Class: Rbindkeys::DeviceOperator

Inherits:
Object
  • Object
show all
Defined in:
lib/rbindkeys/device_operator.rb,
lib/rbindkeys.rb

Overview

device operations like send key event, send LED event, etc.

Constant Summary collapse

LOG = 
LogUtils.get_logger name

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(dev, vdev) ⇒ DeviceOperator

Returns a new instance of DeviceOperator.



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# File 'lib/rbindkeys/device_operator.rb', line 21

def initialize dev, vdev
  @device = dev
  @virtual = vdev
  @pressed_key_set = []
end

Instance Attribute Details

#device ⇒ Object (readonly)

real event device



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# File 'lib/rbindkeys/device_operator.rb', line 13

def device
  @device
end

#pressed_key_set ⇒ Object (readonly)

key code set which was send press event but is not send release event



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# File 'lib/rbindkeys/device_operator.rb', line 19

def pressed_key_set
  @pressed_key_set
end

#virtural ⇒ Object (readonly)

uinput device



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# File 'lib/rbindkeys/device_operator.rb', line 16

def virtural
  @virtural
end

Instance Method Details

#press_key(code) ⇒ Object 



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# File 'lib/rbindkeys/device_operator.rb', line 30

def press_key code
  send_key code, 1
end

#pressing_key(code) ⇒ Object 



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# File 'lib/rbindkeys/device_operator.rb', line 33

def pressing_key code
  send_key code, 2
end

#release_key(code) ⇒ Object 



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# File 'lib/rbindkeys/device_operator.rb', line 27

def release_key code
  send_key code, 0
end

#send_event(*args) ⇒ Object 



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# File 'lib/rbindkeys/device_operator.rb', line 41

def send_event *args
  event =
    case args.length
    when 1 then args[0]
    when 3 then
      @cache_input_event ||= Revdev::InputEvent.new nil, 0, 0, 0
      @cache_input_event.type = args[0]
      @cache_input_event.code = args[1]
      @cache_input_event.value = args[2]
      @cache_input_event
    else raise ArgumentError, "expect a InputEvent or 3 Fixnums (type, code, state)"
    end
  dev = case event.type
        when Revdev::EV_KEY then @virtual
        when Revdev::EV_LED then @device
        else @virtual
        end

  update_pressed_key_set event
  dev.write_input_event event
  LOG.info "write\t#{KeyEventHandler.get_state_by_value event} "+
    "#{event.hr_code}(#{event.code})" if LOG.info?
end

#send_key(code, state) ⇒ Object 



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# File 'lib/rbindkeys/device_operator.rb', line 37

def send_key code, state
  send_event Revdev::EV_KEY, code, state
end

#update_pressed_key_set(event) ⇒ Object 



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# File 'lib/rbindkeys/device_operator.rb', line 65

def update_pressed_key_set event
  if event.type == Revdev::EV_KEY
    case event.value
    when 0 then @pressed_key_set.delete event.code
    when 1 then  @pressed_key_set << event.code
    when 2 then # do nothing
    else raise UnknownKeyValue, "expect 0, 1 or 2"
    end
  end
end