Contents

module CursesUtils
  COLOR_TO_CURSES = {
      :black  => Curses::COLOR_BLACK,
      :red    => Curses::COLOR_RED,
      :green  => Curses::COLOR_GREEN,
      :yellow => Curses::COLOR_YELLOW,
      :blue   => Curses::COLOR_BLUE,
      :purple => Curses::COLOR_MAGENTA,
      :cyan   => Curses::COLOR_CYAN,
      :white  => Curses::COLOR_WHITE,
      :none   => -1,
  }

  def find_color(bgcolor, fgcolor)
    @colors.find_index { |v| v[0] == (fgcolor || :none) && v[1] == (bgcolor || :none) }
  end

  def add_color(bgcolor, fgcolor)
    Curses::init_pair(@colors.count + 1, COLOR_TO_CURSES[fgcolor || :none], COLOR_TO_CURSES[bgcolor || :none])
    ind = @colors.count + 1
    @colors << [fgcolor || :none, bgcolor || :none]
    ind
  end


  private
  def handle_color(fgcolor, bgcolor)
    return 0 if (fgcolor.nil? || fgcolor == :none) && (bgcolor.nil? || bgcolor == :none)
    ind = find_color(bgcolor, fgcolor)
    ind = ind.nil? ? add_color(bgcolor, fgcolor) : ind + 1
    Curses::color_pair(ind)
  end

  def get_format(str)
    bold, underline, fgcolor, bgcolor = Format::parse_format(str)
    (bold ? Curses::A_BOLD : 0) | (underline ? Curses::A_UNDERLINE : 0) | handle_color(fgcolor, bgcolor)
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
everyday-cli-utils-0.0.2	lib/everyday-cli-utils/curses_utils.rb