Method changeEvent

pj_widgets/src/Scrollbar.cpp:189–197

}

void Scrollbar::changeEvent(QEvent* event) {
  QWidget::changeEvent(event);
  if (!accent_overridden_ &&
      (event->type() == QEvent::PaletteChange || event->type() == QEvent::ApplicationPaletteChange ||
       event->type() == QEvent::StyleChange)) {
    accent_ = scrollbar_detail::defaultAccent(QGuiApplication::palette().window().color());
    update();
  }
}

double Scrollbar::currentOpacity() const {
  return opacity_effect_ ? opacity_effect_->opacity() : 1.0;