string.rb

class String

      # (This is a work in progress. It does not yet work.)
      #
      # Modified version of String.===() to match keydown events
      # example: the string, "ctrl+alt+delete" should matche
      # KeyDownEvent.new(K_DELETE,[K_LCTRL,K_LALT])
      # so you can case() on a keypress event, like this:
      #
      # case(ev)
      # when "w"; player.go_up();
      # when "a"; player.go_left();
      # when "s"; player.go_down();
      # when "d"; player.go_right();
      # end
      def ===(event)
              if [Rubygame::KeyDownEvent, Rubygame::KeyUpEvent].include? event.class
                      # parse self
                      all_mods = {
                              Rubygame::K_LALT=>['alt','lalt','left_alt'],
                              Rubygame::K_RALT=>['alt','ralt','right_alt'],
                              Rubygame::K_LCTRL=>['ctrl','control','lctrl','lcontrol', #                                       'left_ctrl','left_control'],
                              Rubygame::K_RCTRL=>['ctrl','control','rctrl','rcontrol', #                                       'right_ctrl','right_control'],
                              Rubygame::K_LSHIFT=>['shift','lshift','left_shift'],
                              Rubygame::K_RSHIFT=>['shift','rshift','right_shift'],
                      }