Method onPrevious

src/util/ButtonNavigator.cpp:10–13

}

void ButtonNavigator::onPrevious(const Callback& callback) {
  onPreviousPress(callback);
  onPreviousContinuous(callback);
}

void ButtonNavigator::onPressAndContinuous(const Buttons& buttons, const Callback& callback) {
  onPress(buttons, callback);