class CursesRenderer

Public Instance Methods

draw(x, y, char, fg, bg) click to toggle source
# File lib/delve/display/curses_renderer.rb, line 38
def draw(x, y, char, fg, bg)
  pair = "#{fg.to_s},#{bg.to_s}"
  if !@pairs.include? pair
    @pairs.push pair
    Curses.init_pair(@pairs.index(pair)+1, @@colors[fg], @@colors[bg])
  end
  # Seem to need to flip x and y
  index = @pairs.index(pair)+1
  Curses.setpos(y, x)
  Curses.attron(Curses.color_pair(index)) do
    begin
      Curses.addstr(char)
    rescue TypeError => e
      raise 'The char was ' + char.to_s
    end
  end
end
exit() click to toggle source
# File lib/delve/display/curses_renderer.rb, line 25
def exit
  Curses.close_screen
end
height() click to toggle source
# File lib/delve/display/curses_renderer.rb, line 60
def height
  Curses.lines
end
init() click to toggle source
# File lib/delve/display/curses_renderer.rb, line 16
def init
  Curses.init_screen
  Curses.start_color
  Curses.nl
  Curses.noecho
  Curses.curs_set 0
  @pairs = Array.new
end
render(data) click to toggle source
# File lib/delve/display/curses_renderer.rb, line 29
def render(data)
  Curses.clear
  data.keys.each do |key|
    draw_data = data[key]
    draw(draw_data[:x], draw_data[:y], draw_data[:char], draw_data[:foreground], draw_data[:background])
  end
  Curses.refresh
end
width() click to toggle source
# File lib/delve/display/curses_renderer.rb, line 56
def width
  Curses.cols
end