require 'curses'
require 'daigaku/views/top_bar'

module Daigaku
  module Views
    include Curses

    def reset_menu_position
      @position = 0
    end

    private

    def default_window(height = nil, width = nil, top = 0, left = 0)
      init_screen

      noecho
      crmode
      curs_set(0) # invisible cursor

      height ||= lines
      width  ||= cols + 1

      window = Daigaku::Window.new(height, width, top, left)

      Curses.lines.times do |line|
        window.setpos(line, 0)
        window.clear_line
      end

      window.keypad(true)
      window.scrollok(true)
      window.refresh
      window
    end

    def sub_window_below_top_bar(window, top_bar)
      top_bar.show

      top        = top_bar.height
      sub_window = window.subwin(window.maxy - top, window.maxx, top, 0)

      sub_window.keypad(true)
      sub_window
    end
  end
end