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Fixes to get dwt to work with dmd and ldc
author Jacob Carlborg <doob@me.com>
date Wed, 08 Jul 2009 21:56:44 +0200
parents 9dd4a17513f9
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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 *
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11 * Port to the D programming language:
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12 * Jacob Carlborg <doob@me.com>
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13 *******************************************************************************/
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14 module dwt.widgets.Event;
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16
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17 import dwt.graphics.GC;
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18 import dwt.graphics.Rectangle;
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19
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20 import tango.text.convert.Format;
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22 import dwt.dwthelper.utils;
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24 import dwt.widgets.Widget;
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25 import dwt.widgets.Display;
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26
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27 /**
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28 * Instances of this class provide a description of a particular
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29 * event which occurred within DWT. The DWT <em>untyped listener</em>
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30 * API uses these instances for all event dispatching.
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31 * <p>
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32 * Note: For a given event, only the fields which are appropriate
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33 * will be filled in. The contents of the fields which are not used
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34 * by the event are unspecified.
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35 * </p>
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36 *
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37 * @see Listener
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38 * @see dwt.events.TypedEvent
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39 * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: ControlExample, Listeners</a>
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40 * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
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41 */
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42
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43 public class Event {
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44
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45 /**
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46 * the display where the event occurred
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47 *
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48 * @since 2.0
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49 */
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50 public Display display;
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51
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52 /**
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53 * the widget that issued the event
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54 */
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55 public Widget widget;
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56
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57 /**
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58 * the type of event, as defined by the event type constants
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59 * in class <code>DWT</code>
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60 *
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61 * @see dwt.DWT
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62 */
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63 public int type;
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64
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65 /**
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66 * the event specific detail field, as defined by the detail constants
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67 * in class <code>DWT</code>
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68 *
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69 * @see dwt.DWT
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70 */
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71 public int detail;
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72
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73 /**
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74 * the item that the event occurred in (can be null)
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75 */
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76 public Widget item;
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77
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78 /**
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79 * the index of the item where the event occurred
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80 *
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81 * @since 3.2
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82 */
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83 public int index;
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84
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85 /**
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86 * the graphics context to use when painting
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87 * that is configured to use the colors, font and
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88 * damaged region of the control. It is valid
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89 * only during the paint and must not be disposed
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90 */
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91 public GC gc;
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92
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93 /**
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94 * depending on the event type, the x offset of the bounding
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95 * rectangle of the region that requires painting or the
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96 * widget-relative, x coordinate of the pointer at the
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97 * time the mouse button was pressed or released
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98 */
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99 public int x;
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100
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101 /**
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102 * depending on the event type, the y offset of the bounding
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103 * rectangle of the region that requires painting or the
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104 * widget-relative, y coordinate of the pointer at the
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105 * time the mouse button was pressed or released
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106 */
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107 public int y;
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108
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109 /**
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110 * the width of the bounding rectangle of the
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111 * region that requires painting
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112 */
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113 public int width;
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114
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115 /**
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116 * the height of the bounding rectangle of the
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117 * region that requires painting
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118 */
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119 public int height;
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120
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121 /**
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122 * depending on the event type, the number of following
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123 * paint events which are pending which may always be zero
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124 * on some platforms or the number of lines or pages to
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125 * scroll using the mouse wheel
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126 */
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127 public int count;
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128
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129 /**
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130 * the time that the event occurred.
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131 *
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132 * NOTE: This field is an unsigned integer and should
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133 * be AND'ed with 0xFFFFFFFFL so that it can be treated
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134 * as a signed long.
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135 */
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136 public int time;
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137
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138 /**
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139 * the button that was pressed or released; 1 for the
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140 * first button, 2 for the second button, and 3 for the
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141 * third button, etc.
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142 */
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143 public int button;
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144
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145 /**
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146 * depending on the event, the character represented by the key
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147 * that was typed. This is the final character that results
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148 * after all modifiers have been applied. For example, when the
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149 * user types Ctrl+A, the character value is 0x01 (ASCII SOH).
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150 * It is important that applications do not attempt to modify the
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151 * character value based on a stateMask (such as DWT.CTRL) or the
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152 * resulting character will not be correct.
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153 */
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9dd4a17513f9 Updated Scrollabe to 3.514
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154 public wchar character = '\0';
0
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155
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156 /**
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157 * depending on the event, the key code of the key that was typed,
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158 * as defined by the key code constants in class <code>DWT</code>.
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159 * When the character field of the event is ambiguous, this field
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160 * contains the unaffected value of the original character. For
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161 * example, typing Ctrl+M or Enter both result in the character '\r'
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162 * but the keyCode field will also contain '\r' when Enter was typed
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163 * and 'm' when Ctrl+M was typed.
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164 *
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165 * @see dwt.DWT
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166 */
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167 public int keyCode;
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168
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169 /**
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170 * depending on the event, the state of the keyboard modifier
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171 * keys and mouse masks at the time the event was generated.
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172 *
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173 * @see dwt.DWT
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174 */
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175 public int stateMask;
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176
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177 /**
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178 * depending on the event, the range of text being modified.
45
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179 * Setting these fields only has effect during ImeComposition
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180 * events.
0
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181 */
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182 public int start, end;
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183
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184 /**
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185 * depending on the event, the new text that will be inserted.
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186 * Setting this field will change the text that is about to
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187 * be inserted or deleted.
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188 */
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189 public String text;
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190
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191 /**
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192 * depending on the event, a flag indicating whether the operation
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193 * should be allowed. Setting this field to false will cancel the
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194 * operation.
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195 */
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196 public bool doit = true;
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197
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198 /**
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199 * a field for application use
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200 */
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201 public Object data;
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202
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203 /**
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204 * Gets the bounds.
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205 *
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206 * @return a rectangle that is the bounds.
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207 */
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208 public Rectangle getBounds () {
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209 return new Rectangle (x, y, width, height);
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210 }
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211
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212 /**
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213 * Sets the bounds.
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214 *
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215 * @param rect the new rectangle
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216 */
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217 public void setBounds (Rectangle rect) {
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218 this.x = rect.x;
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219 this.y = rect.y;
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220 this.width = rect.width;
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221 this.height = rect.height;
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222 }
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223
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224 /**
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225 * Returns a string containing a concise, human-readable
380af2bdd8e5 Upload of whole dwt tree
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226 * description of the receiver.
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227 *
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228 * @return a string representation of the event
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229 */
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230 public String toString () {
15
2952d5604c0a Ported some widgets, added some stuff to the runtime bindings
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diff changeset
231 return Format( "Event {{type={} {} time={} data={} x={} y={} width={} height={} detail={}}",
2952d5604c0a Ported some widgets, added some stuff to the runtime bindings
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232 type, widget, time, data, x, y, width, height, detail ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$
0
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233 }
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234 }