Sha256: 6929e51c6558d94a1d66a2fdc18189df08b40d8f1cf00547e5d028cde4fec75f
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Size: 1.34 KB
Versions: 22
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Stored size: 1.34 KB
Contents
# frozen_string_literal: true
# Top level comment missing!
module Cotcube
# noinspection ALL
module Helpers
def keystroke(quit: false)
begin
# save previous state of stty
old_state = `stty -g`
# disable echoing and enable raw (not having to press enter)
system 'stty raw -echo'
c = $stdin.getc.chr rescue '_' # rubocop:disable Style/RescueModifier
# gather next two characters of special keys
if c == "\e"
extra_thread = Thread.new do
c += $stdin.getc.chr
c += $stdin.getc.chr
end
# wait just long enough for special keys to get swallowed
extra_thread.join(0.00001)
# kill thread so not-so-long special keys don't wait on getc
extra_thread.kill
end
rescue StandardError => e
puts "#{e.class}: #{e.message}"
puts e.backtrace
ensure
# restore previous state of stty
system "stty #{old_state}"
end
c.each_byte do |x| # rubocop:disable Lint/UnreachableLoop
case x
when 3
puts 'Strg-C captured, exiting...'
quit ? exit : (return true)
when 13
return '_return_'
when 27
puts 'ESCAPE gathered'
return '_esc_'
else
return c
end
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems