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Contents
# frozen_string_literal: true
module Fusuma
module Plugin
module Buffers
# manage events and generate command
class TapBuffer < Buffer
DEFAULT_SOURCE = 'libinput_tap_parser'
DEFAULT_SECONDS_TO_KEEP = 0.1
def config_param_types
{
'source': [String]
}
end
# clear old events
def clear_expired(*)
clear if @events.any? { |e| ended?(e) }
end
# @param event [Event]
# @return [NilClass, TapBuffer]
def buffer(event)
return unless event&.tag == source
# NOTE: need to set `begin` event at first of buffer
clear && return unless bufferable?(event)
@events.push(event)
self
end
# return [Integer]
def finger
@events.map { |e| e.record.finger }.max
end
def empty?
@events.empty?
end
def bufferable?(event)
case event.record.status
when 'end'
true
when 'begin'
if empty?
true
else
false
end
when 'keep', 'touch', 'hold', 'release', 'move'
if empty?
false
else
true
end
else
raise "Unexpected status: #{event.record.status}"
end
end
def present?
!empty?
end
def select_by_events
return enum_for(:select) unless block_given?
events = @events.select { |event| yield event }
self.class.new events
end
def ended?(event)
event.record.status == 'end'
end
def begin?(event)
event.record.status == 'begin'
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems