Class: Pompom::NCursesScreen

Inherits:
Object
  • Object
show all
Includes:
FFI::NCurses
Defined in:
lib/pompom.rb

Instance Method Summary collapse

Instance Method Details

#color_pair_mapping ⇒ Object 



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# File 'lib/pompom.rb', line 229

def color_pair_mapping
  {:green => 1,:yellow => 2,:red => 3 }
end

#display(str, color = :green, blinking = false) ⇒ Object 



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# File 'lib/pompom.rb', line 212

def display(str, color=:green, blinking=false)
  clear
  text_style = blinking ? A_BLINK : A_NORMAL
  attr_set text_style, color_pair_mapping[color], nil

  y, x = getmaxyx(stdscr)

  lines = str.split("\n")
  padding = (x - lines.first.size) / 2
  ((y - lines.size - 1) / 2).times { addstr("\n") }
  lines.each do |line|
    addstr(" " * padding)
    addstr(line + "\n")
  end
  refresh
end

#run ⇒ Object 



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# File 'lib/pompom.rb', line 196

def run
  begin
    initscr
    cbreak
    noecho
    start_color
    init_pair(1, COLOR_GREEN, COLOR_BLACK)
    init_pair(2, COLOR_YELLOW, COLOR_BLACK)
    init_pair(3, COLOR_RED, COLOR_BLACK)
    curs_set 0
    yield
  ensure
    endwin
  end
end