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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2007 IBM Corporation and others.
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3 * All rights reserved. This program and the accompanying materials
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4 * are made available under the terms of the Eclipse Public License v1.0
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5 * which accompanies this distribution, and is available at
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6 * http://www.eclipse.org/legal/epl-v10.html
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7 *
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8 * Contributors:
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9 * IBM Corporation - initial API and implementation
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10 * Port to the D programming language:
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11 * Frank Benoit <benoit@tionex.de>
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12 *******************************************************************************/
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13 module dwt.events.TypedEvent;
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14
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15
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16 import dwt.widgets.Event;
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17 import dwt.widgets.Display;
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18 import dwt.widgets.Widget;
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19 import dwt.internal.DWTEventObject;
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20
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21 import tango.text.convert.Format;
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22 import tango.text.Util : split;
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23
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24 /**
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25 * This is the super class for all typed event classes provided
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26 * by DWT. Typed events contain particular information which is
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27 * applicable to the event occurrence.
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28 *
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29 * @see dwt.widgets.Event
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30 */
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31 public class TypedEvent : DWTEventObject {
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32
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33 /**
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34 * the display where the event occurred
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35 *
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36 * @since 2.0
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37 */
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38 public Display display;
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39
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40 /**
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41 * the widget that issued the event
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42 */
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43 public Widget widget;
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44
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45 /**
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46 * the time that the event occurred.
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47 *
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48 * NOTE: This field is an unsigned integer and should
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49 * be AND'ed with 0xFFFFFFFFL so that it can be treated
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50 * as a signed long.
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51 */
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52 public int time;
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53
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54 /**
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55 * a field for application use
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56 */
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57 public Object data;
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58
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59 //static final long serialVersionUID = 3257285846578377524L;
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60
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61 /**
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62 * Constructs a new instance of this class.
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63 *
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64 * @param object the object that fired the event
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65 */
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66 public this(Object object) {
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67 super(object);
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68 }
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69
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70 /**
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71 * Constructs a new instance of this class based on the
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72 * information in the argument.
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73 *
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74 * @param e the low level event to initialize the receiver with
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75 */
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76 public this(Event e) {
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77 super(e.widget);
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78 this.display = e.display;
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79 this.widget = e.widget;
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80 this.time = e.time;
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81 this.data = e.data;
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82 }
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83
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84 /**
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85 * Returns the name of the event. This is the name of
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86 * the class without the module name.
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87 *
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88 * @return the name of the event
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89 */
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90 char[] getName () {
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91 char[] str = this.classinfo.name;
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92 return split( str, "." )[$-1];
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93 }
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94
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95 /**
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96 * Returns a string containing a concise, human-readable
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97 * description of the receiver.
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98 *
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99 * @return a string representation of the event
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100 */
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101 public char[] toString() {
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102 return Format( "{}{{{} time={} data={}}", widget.toString(), time, data.toString() );
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103 }
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104 }
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