Method setVisibleSmooth

MyGUIEngine/src/MyGUI_MenuControl.cpp:548–574

	}

	void MenuControl::setVisibleSmooth(bool _visible)
	{
		mAnimateSmooth = true;
		ControllerManager::getInstance().removeItem(this);

		if (_visible)
		{
			setEnabledSilent(true);
			if (!getVisible())
			{
				setAlpha(ALPHA_MIN);
				Base::setVisible(true);
			}

			ControllerFadeAlpha* controller = createControllerFadeAlpha(ALPHA_MAX, POPUP_MENU_SPEED_COEF, true);
			controller->eventPostAction += newDelegate(action::actionWidgetShow);
			ControllerManager::getInstance().addItem(this, controller);
		}
		else
		{
			setEnabledSilent(false);

			ControllerFadeAlpha* controller = createControllerFadeAlpha(ALPHA_MIN, POPUP_MENU_SPEED_COEF, false);
			controller->eventPostAction += newDelegate(action::actionWidgetHide);
			ControllerManager::getInstance().addItem(this, controller);
		}
	}

	ControllerFadeAlpha* MenuControl::createControllerFadeAlpha(float _alpha, float _coef, bool _enable)
	{