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Versions: 15
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Contents
module ANSI
module Terminal
module_function
#COLS_FALLBACK = 80
#ROWS_FALLBACK = 25
#CHARACTER_MODE = "stty" # For Debugging purposes only.
#
# Unix savvy getc(). (Second choice.)
#
# *WARNING*: This method requires the external "stty" program!
#
def get_character( input = STDIN )
raw_no_echo_mode
begin
input.getc
ensure
restore_mode
end
end
#
# Switched the input mode to raw and disables echo.
#
# *WARNING*: This method requires the external "stty" program!
#
def raw_no_echo_mode
@state = `stty -g`
system "stty raw -echo cbreak isig"
end
#
# Restores a previously saved input mode.
#
# *WARNING*: This method requires the external "stty" program!
#
def restore_mode
system "stty #{@state}"
end
# A Unix savvy method to fetch the console columns, and rows.
def terminal_size
if /solaris/ =~ RUBY_PLATFORM && (`stty` =~ /\brows = (\d+).*\bcolumns = (\d+)/)
w, r = [$2, $1]
else
w, r = `stty size`.split.reverse
end
w = `tput cols` unless w # last ditch effort to at least get width
w = w.to_i if w
r = r.to_i if r
return w, r
end
end
end
Version data entries
15 entries across 15 versions & 5 rubygems