Method: RubyText.menu

Defined in:
lib/menu.rb 


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# File 'lib/menu.rb', line 23

def self.menu(r: 0, c: 0, items:, curr: 0)
  high = items.size + 2
  wide = items.map(&:length).max + 4
  saveback(high, wide, r, c)
  win = RubyText.window(high, wide, r, c, fg: White, bg: Blue)
  RubyText.set(:raw)
  X.stdscr.keypad(true)
  RubyText.hide_cursor
  sel = curr
  max = items.size - 1
  loop do
    items.each.with_index do |item, row|
      win.go row, 0
      color = sel == row ? Yellow : White
      win.puts color, " #{item} "
    end
    ch = getch
    case ch
      when X::KEY_UP
        sel -= 1 if sel > 0
      when X::KEY_DOWN
        sel += 1 if sel < max
      when 27
        restback(high, wide, r, c)
        return [nil, nil]
      when 10
        restback(high, wide, r, c)
        return [sel, items[sel]]
    end
  end
end