Sha256: 38f5f175a8ef7e8d2263b662c08398dd42ed43f3ca311a0fec090160caf6c9ec
Contents?: true
Size: 1.16 KB
Versions: 6
Compression:
Stored size: 1.16 KB
Contents
# typed: true
require 'cli/ui'
require 'io/console'
module CLI
module UI
module Terminal
extend T::Sig
DEFAULT_WIDTH = 80
DEFAULT_HEIGHT = 24
class << self
extend T::Sig
# Returns the width of the terminal, if possible
# Otherwise will return DEFAULT_WIDTH
#
sig { returns(Integer) }
def width
winsize[1]
end
# Returns the width of the terminal, if possible
# Otherwise, will return DEFAULT_HEIGHT
#
sig { returns(Integer) }
def height
winsize[0]
end
sig { returns([Integer, Integer]) }
def winsize
@winsize ||= begin
winsize = IO.console.winsize
setup_winsize_trap
if winsize.any?(&:zero?)
[DEFAULT_HEIGHT, DEFAULT_WIDTH]
else
winsize
end
rescue
[DEFAULT_HEIGHT, DEFAULT_WIDTH]
end
end
sig { void }
def setup_winsize_trap
@winsize_trap ||= Signal.trap('WINCH') do
@winsize = nil
end
end
end
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems