org.eclipse.swt.events.TypedEvent source code

1 /*******************************************************************************
2  * Copyright (c) 2000, 2008 IBM Corporation and others.
3  * All rights reserved. This program and the accompanying materials
4  * are made available under the terms of the Eclipse Public License v1.0
5  * which accompanies this distribution, and is available at
6  * http://www.eclipse.org/legal/epl-v10.html
7  *
8  * Contributors:
9  *     IBM Corporation - initial API and implementation
10  * Port to the D programming language:
11  *     Frank Benoit <benoit@tionex.de>
12  *******************************************************************************/
13 module org.eclipse.swt.events.TypedEvent;
14 
15 
16 import org.eclipse.swt.widgets.Event;
17 import org.eclipse.swt.widgets.Display;
18 import org.eclipse.swt.widgets.Widget;
19 import org.eclipse.swt.internal.SWTEventObject;
20 
21 import java.lang.all;
22 
23 /**
24  * This is the super class for all typed event classes provided
25  * by SWT. Typed events contain particular information which is
26  * applicable to the event occurrence.
27  *
28  * @see org.eclipse.swt.widgets.Event
29  * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
30  */
31 public class TypedEvent : SWTEventObject {
32 
33     /**
34      * the display where the event occurred
35      *
36      * @since 2.0
37      */
38     public Display display;
39 
40     /**
41      * the widget that issued the event
42      */
43     public Widget widget;
44 
45     /**
46      * the time that the event occurred.
47      *
48      * NOTE: This field is an unsigned integer and should
49      * be AND'ed with 0xFFFFFFFFL so that it can be treated
50      * as a signed long.
51      */
52     public int time;
53 
54     /**
55      * a field for application use
56      */
57     public Object data;
58 
59     //static const long serialVersionUID = 3257285846578377524L;
60 
61 /**
62  * Constructs a new instance of this class.
63  *
64  * @param object the object that fired the event
65  */
66 public this(Object object) {
67     super(object);
68 }
69 
70 /**
71  * Constructs a new instance of this class based on the
72  * information in the argument.
73  *
74  * @param e the low level event to initialize the receiver with
75  */
76 public this(Event e) {
77     super(e.widget);
78     this.display = e.display;
79     this.widget = e.widget;
80     this.time = e.time;
81     this.data = e.data;
82 }
83 
84 /**
85  * Returns the name of the event. This is the name of
86  * the class without the module name.
87  *
88  * @return the name of the event
89  */
90 String getName () {
91     String string = this.classinfo.name;
92     int index = string.lastIndexOf ('.');
93     if (index is -1) return string;
94     return string.substring (index + 1, string.length ());
95 }
96 
97 /**
98  * Returns a string containing a concise, human-readable
99  * description of the receiver.
100  *
101  * @return a string representation of the event
102  */
103 public override String toString() {
104     String str_widget = widget is null ? "null" : widget.toString;
105     String str_data   = data is null ? "null" : data.toString;
106     return Format( "{}{{{} time={} data={}}", getName(), str_widget, time, str_data );
107 }
108 }