001package jmri.jmrit.throttle; 002 003import java.awt.event.*; 004 005import jmri.DccThrottle; 006 007 008/** 009 * 010 * @author Lionel Jeanson 011 * 012 * This class implements mouse wheel action on a throttle frame 013 * 014 */ 015public class ThrottleWindowInputsListener extends ThrottleWindowActions implements MouseWheelListener { 016 017 public ThrottleWindowInputsListener(ThrottleWindow tw) { 018 super(tw); 019 } 020 021 @Override 022 public void mouseWheelMoved(MouseWheelEvent e) { 023 // Throttle commands 024 DccThrottle throttle = tw.getCurrentThrottleFrame().getAddressPanel().getThrottle(); 025 if (throttle != null) { 026 float multiplier; 027 if (e.getWheelRotation() > 0) { 028 multiplier = -1f; 029 if ( e.isControlDown() ) { 030 multiplier = - tpwkc.getMoreSpeedMultiplier(); 031 } 032 } else { 033 multiplier = 1f; 034 if ( e.isControlDown() ) { 035 multiplier = tpwkc.getMoreSpeedMultiplier(); 036 } 037 } 038 incrementSpeed(throttle, throttle.getSpeedIncrement() * multiplier); 039 } 040 } 041}