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@phoet /menu.rb
Created Oct 15, 2013

curses example drawing a menu
require "curses"
include Curses
init_screen
start_color
noecho
def draw_menu(menu, active_index=nil)
4.times do |i|
menu.setpos(i + 1, 1)
menu.attrset(i == active_index ? A_STANDOUT : A_NORMAL)
menu.addstr "item_#{i}"
end
end
def draw_info(menu, text)
menu.setpos(1, 10)
menu.attrset(A_NORMAL)
menu.addstr text
end
position = 0
menu = Window.new(7,40,7,2)
menu.box('|', '-')
draw_menu(menu, position)
while ch = menu.getch
case ch
when 'w'
draw_info menu, 'move up'
position -= 1
when 's'
draw_info menu, 'move down'
position += 1
when 'x'
exit
end
position = 3 if position < 0
position = 0 if position > 3
draw_menu(menu, position)
end
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