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annotate dwt/events/PaintEvent.d @ 317:6f57d3b9947c

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sync with dwt-win
author Frank Benoit <benoit@tionex.de>
date Tue, 16 Sep 2008 15:28:56 +0200
parents c0d810de7093
children
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2008 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.PaintEvent;
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14
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16 import dwt.widgets.Event;
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17 import dwt.graphics.GC;
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19 import dwt.events.TypedEvent;
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20
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21 import tango.text.convert.Format;
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22 import dwt.dwthelper.utils;
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23
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24 /**
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25 * Instances of this class are sent as a result of
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26 * visible areas of controls requiring re-painting.
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27 *
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28 * @see PaintListener
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29 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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30 */
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31
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32 public final class PaintEvent : TypedEvent {
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33
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34 /**
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35 * the graphics context to use when painting
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36 * that is configured to use the colors, font and
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37 * damaged region of the control. It is valid
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38 * only during the paint and must not be disposed
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39 */
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40 public GC gc;
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41
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42 /**
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43 * the x offset of the bounding rectangle of the
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44 * region that requires painting
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45 */
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46 public int x;
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47
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48 /**
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49 * the y offset of the bounding rectangle of the
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50 * region that requires painting
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51 */
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52 public int y;
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54 /**
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55 * the width of the bounding rectangle of the
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56 * region that requires painting
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57 */
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58 public int width;
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60 /**
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61 * the height of the bounding rectangle of the
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62 * region that requires painting
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63 */
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64 public int height;
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66 /**
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67 * the number of following paint events which
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68 * are pending which may always be zero on
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69 * some platforms
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70 */
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71 public int count;
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73 //static final long serialVersionUID = 3256446919205992497L;
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75 /**
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76 * Constructs a new instance of this class based on the
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77 * information in the given untyped event.
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78 *
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79 * @param e the untyped event containing the information
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80 */
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81 public this(Event e) {
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82 super(e);
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83 this.gc = e.gc;
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84 this.x = e.x;
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85 this.y = e.y;
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86 this.width = e.width;
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87 this.height = e.height;
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88 this.count = e.count;
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89 }
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91 /**
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92 * Returns a string containing a concise, human-readable
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93 * description of the receiver.
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94 *
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95 * @return a string representation of the event
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96 */
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97 public override String toString() {
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98 return Format( "{} gc={} x={} y={} width={} height={} count={}}",
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99 super.toString[ 0 .. $-1 ],
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100 gc is null ? "null" : gc.toString,
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101 x,
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102 y,
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103 width,
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104 height,
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105 count );
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106 }
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107 }
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