Method bind

dm_control/viewer/user_input.py:229–246

Binds a key combination to a callback. Args: callback: An argument-less callable. key_binding: A integer with a key code, a tuple (keycode, modifier) or one of the actions Exclusive|DoubleClick|Range carrying the key combination.

(self, callback, key_binding)

    self._active_exclusive = _NO_EXCLUSIVE_KEY

  def bind(self, callback, key_binding):
    """Binds a key combination to a callback.

    Args:
      callback: An argument-less callable.
      key_binding: A integer with a key code, a tuple (keycode, modifier) or one
        of the actions Exclusive|DoubleClick|Range carrying the key combination.
    """
    def build_callback(index, callback):
      def indexed_callback():
        callback(index)
      return indexed_callback

    if isinstance(key_binding, Range):
      for index, binding in enumerate(key_binding.collection):
        self._add_binding(build_callback(index, callback), binding)
    else:
      self._add_binding(callback, key_binding)

  def _add_binding(self, callback, key_binding):
    key_combination = self._extract_key_combination(key_binding)