Module: Vedeu::Esc

Extended by:
Esc
Included in:
Esc
Defined in:
lib/vedeu/support/esc.rb

Instance Method Summary collapse

Instance Method Details

#background_colour(value = '#000000') ⇒ Object 



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# File 'lib/vedeu/support/esc.rb', line 7

def background_colour(value = '#000000')
  return '' if value.empty?

  ["\e[48;5;", colour_translator(value), 'm'].join
end

#foreground_colour(value = '#ffffff') ⇒ Object 



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# File 'lib/vedeu/support/esc.rb', line 13

def foreground_colour(value = '#ffffff')
  return '' if value.empty?

  ["\e[38;5;", colour_translator(value), 'm'].join
end

#set_position(y = 1, x = 1) ⇒ Object 



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# File 'lib/vedeu/support/esc.rb', line 19

def set_position(y = 1, x = 1)
  row    = (y == 0 || y == nil) ? 1 : y
  column = (x == 0 || x == nil) ? 1 : x

  ["\e[", row, ';', column, 'H'].join
end

#string(value = '') ⇒ Object 



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# File 'lib/vedeu/support/esc.rb', line 26

def string(value = '')
  case value
  when 'blink'         then "\e[5m"
  when 'blink_off'     then "\e[25m"
  when 'bold'          then "\e[1m"
  when 'bold_off'      then "\e[21m"
  when 'clear'         then "\e[2J"
  when 'colour_reset'  then "\e[38;2;39m\e[48;2;49m"
  when 'hide_cursor'   then "\e[?25l"
  when 'negative'      then "\e[7m"
  when 'positive'      then "\e[27m"
  when 'reset'         then "\e[0m"
  when 'normal'        then "\e[24m\e[21m\e[27m"
  when 'dim'           then "\e[2m"
  when 'show_cursor'   then "\e[?25h"
  when 'underline'     then "\e[4m"
  when 'underline_off' then "\e[24m"
  else
    ''
  end
end