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Contents
# frozen_string_literal: true
require_relative '../events/records/record.rb'
require_relative '../events/records/gesture_record.rb'
module Fusuma
module Plugin
module Parsers
# parse libinput and generate gesture record
class LibinputGestureParser < Parser
DEFAULT_SOURCE = 'libinput_command_input'
# @param record [String]
# @return [Records::GestureRecord, nil]
def parse_record(record)
case line = record.to_s
when /GESTURE_SWIPE|GESTURE_PINCH/
gesture, status, finger, direction = parse_libinput(line)
else
return
end
Events::Records::GestureRecord.new(status: status,
gesture: gesture,
finger: finger,
direction: direction)
end
private
def parse_libinput(line)
_device, event_name, _time, other = line.strip.split(nil, 4)
finger, other = other.split(nil, 2)
direction = parse_direction(other)
[*detect_gesture(event_name), finger, direction]
end
def detect_gesture(event_name)
event_name =~ /GESTURE_(SWIPE|PINCH)_(BEGIN|UPDATE|END)/
[Regexp.last_match(1).downcase, Regexp.last_match(2).downcase]
end
def parse_direction(line)
return if line.nil?
move_x, move_y, _, _, _, zoom, _, rotate = line.tr('/|(|)', ' ').split
Events::Records::GestureRecord::Delta.new(move_x.to_f, move_y.to_f,
zoom.to_f, rotate.to_f)
end
end
end
end
end
Version data entries
20 entries across 20 versions & 1 rubygems