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annotate dwt/widgets/Event.d @ 236:329f277b58a0

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fix format string
author Frank Benoit <benoit@tionex.de>
date Sun, 20 Apr 2008 00:19:27 +0200
parents f2e04420fd6c
children 380bad9f6852
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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2006 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.widgets.Event;
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15 import dwt.graphics.GC;
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16 import dwt.graphics.Rectangle;
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18 import dwt.widgets.Widget;
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19 import dwt.widgets.Display;
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21 import tango.text.convert.Format;
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22
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23
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24 /**
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25 * Instances of this class provide a description of a particular
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26 * event which occurred within DWT. The DWT <em>untyped listener</em>
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27 * API uses these instances for all event dispatching.
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28 * <p>
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29 * Note: For a given event, only the fields which are appropriate
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30 * will be filled in. The contents of the fields which are not used
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31 * by the event are unspecified.
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32 * </p>
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33 *
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34 * @see Listener
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35 * @see dwt.events.TypedEvent
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36 */
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37
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38 public class Event {
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40 /**
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41 * the display where the event occurred
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42 *
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43 * @since 2.0
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44 */
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45 public Display display;
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47 /**
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48 * the widget that issued the event
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49 */
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50 public Widget widget;
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52 /**
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53 * the type of event, as defined by the event type constants
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54 * in class <code>DWT</code>
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55 *
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56 * @see dwt.DWT
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57 */
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58 public int type;
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60 /**
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61 * the event specific detail field, as defined by the detail constants
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62 * in class <code>DWT</code>
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63 *
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64 * @see dwt.DWT
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65 */
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66 public int detail;
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68 /**
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69 * the item that the event occurred in (can be null)
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70 */
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71 public Widget item;
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73 /**
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74 * the index of the item where the event occurred
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75 *
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76 * @since 3.2
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77 */
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78 public int index;
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80 /**
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81 * the graphics context to use when painting
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82 * that is configured to use the colors, font and
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83 * damaged region of the control. It is valid
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84 * only during the paint and must not be disposed
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85 */
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86 public GC gc;
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88 /**
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89 * depending on the event type, the x offset of the bounding
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90 * rectangle of the region that requires painting or the
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91 * widget-relative, x coordinate of the pointer at the
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92 * time the mouse button was pressed or released
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93 */
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94 public int x;
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96 /**
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97 * depending on the event type, the y offset of the bounding
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98 * rectangle of the region that requires painting or the
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99 * widget-relative, y coordinate of the pointer at the
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100 * time the mouse button was pressed or released
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101 */
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102 public int y;
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103
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104 /**
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105 * the width of the bounding rectangle of the
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106 * region that requires painting
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107 */
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108 public int width;
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110 /**
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111 * the height of the bounding rectangle of the
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112 * region that requires painting
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113 */
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114 public int height;
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116 /**
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117 * depending on the event type, the number of following
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118 * paint events which are pending which may always be zero
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119 * on some platforms or the number of lines or pages to
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120 * scroll using the mouse wheel
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121 */
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122 public int count;
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124 /**
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125 * the time that the event occurred.
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126 *
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127 * NOTE: This field is an unsigned integer and should
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128 * be AND'ed with 0xFFFFFFFFL so that it can be treated
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129 * as a signed long.
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130 */
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131 public int time;
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133 /**
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134 * the button that was pressed or released; 1 for the
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135 * first button, 2 for the second button, and 3 for the
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136 * third button, etc.
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137 */
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138 public int button;
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139
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140 /**
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141 * depending on the event, the character represented by the key
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142 * that was typed. This is the final character that results
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143 * after all modifiers have been applied. For example, when the
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144 * user types Ctrl+A, the character value is 0x01 (ASCII SOH).
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145 * It is important that applications do not attempt to modify the
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146 * character value based on a stateMask (such as DWT.CTRL) or the
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147 * resulting character will not be correct.
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148 */
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149 public wchar character = '\0';
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150
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151 /**
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152 * depending on the event, the key code of the key that was typed,
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153 * as defined by the key code constants in class <code>DWT</code>.
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154 * When the character field of the event is ambiguous, this field
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155 * contains the unaffected value of the original character. For
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156 * example, typing Ctrl+M or Enter both result in the character '\r'
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157 * but the keyCode field will also contain '\r' when Enter was typed
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158 * and 'm' when Ctrl+M was typed.
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159 *
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160 * @see dwt.DWT
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161 */
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162 public int keyCode;
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163
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164 /**
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165 * depending on the event, the state of the keyboard modifier
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166 * keys and mouse masks at the time the event was generated.
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167 *
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168 * @see dwt.DWT
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169 */
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170 public int stateMask;
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171
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172 /**
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173 * depending on the event, the range of text being modified.
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174 * Setting these fields has no effect.
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175 */
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176 public int start, end;
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177
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178 /**
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179 * depending on the event, the new text that will be inserted.
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180 * Setting this field will change the text that is about to
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181 * be inserted or deleted.
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182 */
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183 public char[] text;
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184
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185 /**
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186 * depending on the event, a flag indicating whether the operation
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187 * should be allowed. Setting this field to false will cancel the
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188 * operation.
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189 */
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190 public bool doit = true;
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191
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192 /**
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193 * a field for application use
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194 */
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195 public Object data;
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196
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197 /**
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198 * Gets the bounds.
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199 *
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200 * @return a rectangle that is the bounds.
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201 */
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202 public Rectangle getBounds () {
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203 return new Rectangle (x, y, width, height);
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204 }
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205
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206 /**
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207 * Sets the bounds.
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208 *
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209 * @param rect the new rectangle
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210 */
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211 public void setBounds (Rectangle rect) {
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212 this.x = rect.x;
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213 this.y = rect.y;
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214 this.width = rect.width;
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215 this.height = rect.height;
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216 }
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217
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218 /**
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219 * Returns a string containing a concise, human-readable
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220 * description of the receiver.
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221 *
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222 * @return a string representation of the event
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223 */
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224 public override char[] toString () {
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225 return Format( "Event {{type={} {} time={} data={} x={} y={} width={} height={} detail={}}",
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226 type, widget, time, data, x, y, width, height, detail ); //$NON-NLS-1$//$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ //$NON-NLS-5$ //$NON-NLS-6$ //$NON-NLS-7$
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227 }
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228 }