01: /*
02:
03: Licensed to the Apache Software Foundation (ASF) under one or more
04: contributor license agreements. See the NOTICE file distributed with
05: this work for additional information regarding copyright ownership.
06: The ASF licenses this file to You under the Apache License, Version 2.0
07: (the "License"); you may not use this file except in compliance with
08: the License. You may obtain a copy of the License at
09:
10: http://www.apache.org/licenses/LICENSE-2.0
11:
12: Unless required by applicable law or agreed to in writing, software
13: distributed under the License is distributed on an "AS IS" BASIS,
14: WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15: See the License for the specific language governing permissions and
16: limitations under the License.
17:
18: */
19: package org.apache.batik.gvt.event;
20:
21: import org.apache.batik.gvt.GraphicsNode;
22:
23: /**
24: * An event which indicates that a mouse whwel action occurred in a graphics
25: * node.
26: *
27: * @author <a href="mailto:cam%40mcc%2eid%2eau">Cameron McCormack</a>
28: * @version $Id: GraphicsNodeMouseWheelEvent.java 475477 2006-11-15 22:44:28Z cam $
29: */
30: public class GraphicsNodeMouseWheelEvent extends GraphicsNodeInputEvent {
31:
32: /**
33: * The id for the "mouseWheelMoved" event.
34: */
35: public static final int MOUSE_WHEEL = 600;
36:
37: /**
38: * Indicates the number of wheel notches have been moved.
39: * Positive for scrolling up/left, negative for down/right.
40: */
41: protected int wheelDelta;
42:
43: /**
44: * Constructs a new graphics node mouse wheel event.
45: * @param source the graphics node where the event originated
46: * @param id the id of this event
47: * @param when the time the event occurred
48: * @param wheelDelta the number of clicks
49: */
50: public GraphicsNodeMouseWheelEvent(GraphicsNode source, int id,
51: long when, int modifiers, int lockState, int wheelDelta) {
52: super (source, id, when, modifiers, lockState);
53: this .wheelDelta = wheelDelta;
54: }
55:
56: /**
57: * Returns the number of clicks the wheel has been moved.
58: */
59: public int getWheelDelta() {
60: return wheelDelta;
61: }
62: }
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