Module: Console

Included in:
Pecorb
Defined in:
lib/pecorb/console.rb

Constant Summary collapse

CSI = 
"\e["
UP = 
"#{CSI}A"
DOWN = 
"#{CSI}B"
RIGHT = 
"#{CSI}C"
LEFT = 
"#{CSI}D"

Instance Method Summary collapse

Instance Method Details

#backspace(n = 1) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 33

def backspace(n=1)      $stderr.print "\b"*n              end

#black ⇒ Object 



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# File 'lib/pecorb/console.rb', line 38

def black()             $stderr.print "#{CSI}#{CSI}30m"   end

#blue ⇒ Object 



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# File 'lib/pecorb/console.rb', line 42

def blue()              $stderr.print "#{CSI}#{CSI}34m"   end

#carriage_return ⇒ Object 



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# File 'lib/pecorb/console.rb', line 34

def carriage_return()   $stderr.print "\r"                end

#clear_screen ⇒ Object 



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# File 'lib/pecorb/console.rb', line 36

def clear_screen()      $stderr.print "#{CSI}H#{CSI}J"    end

#clear_to_eol ⇒ Object 



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# File 'lib/pecorb/console.rb', line 35

def clear_to_eol()      $stderr.print "#{CSI}K"           end

#cyan ⇒ Object 



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# File 'lib/pecorb/console.rb', line 44

def cyan()              $stderr.print "#{CSI}#{CSI}36m"   end

#down(n = 1) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 29

def down(n=1)           $stderr.print "#{CSI}#{n}B"       end

#green ⇒ Object 



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# File 'lib/pecorb/console.rb', line 40

def green()             $stderr.print "#{CSI}#{CSI}32m"   end

#left(n = 1) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 31

def left(n=1)           $stderr.print "#{CSI}#{n}D"       end

#load_pos ⇒ Object 



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# File 'lib/pecorb/console.rb', line 55

def load_pos() $stderr.print "#{CSI}u" end

#magenta ⇒ Object 



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# File 'lib/pecorb/console.rb', line 43

def magenta()           $stderr.print "#{CSI}#{CSI}35m"   end

#output(val) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 26

def output(val)         $stdout.puts val                  end

#print(val) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 24

def print(val)          $stderr.print val                 end

#puts(val) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 25

def puts(val)           $stderr.puts val                  end

#read_char ⇒ Object 



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# File 'lib/pecorb/console.rb', line 10

def read_char
  $stdin.echo = false
  $stdin.raw!
  input = $stdin.getc.chr
  if input == "\e" then
    input << $stdin.read_nonblock(3) rescue nil
    input << $stdin.read_nonblock(2) rescue nil
  end
ensure
  $stdin.echo = true
  $stdin.cooked!
  return input
end

#red ⇒ Object 



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# File 'lib/pecorb/console.rb', line 39

def red()               $stderr.print "#{CSI}#{CSI}31m"   end

#reset_color ⇒ Object 



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# File 'lib/pecorb/console.rb', line 46

def reset_color()       $stderr.print "#{CSI}#{CSI}0m"    end

#right(n = 1) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 30

def right(n=1)          $stderr.print "#{CSI}#{n}C"       end

#save_pos ⇒ Object 



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# File 'lib/pecorb/console.rb', line 48

def save_pos
  $stderr.print "#{CSI}s"
  if block_given?
    yield
    load_pos
  end
end

#up(n = 1) ⇒ Object 



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# File 'lib/pecorb/console.rb', line 28

def up(n=1)             $stderr.print "#{CSI}#{n}A"       end

#white ⇒ Object 



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# File 'lib/pecorb/console.rb', line 45

def white()             $stderr.print "#{CSI}#{CSI}37m"   end

#yellow ⇒ Object 



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# File 'lib/pecorb/console.rb', line 41

def yellow()            $stderr.print "#{CSI}#{CSI}33m"   end