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annotate dwt/browser/WindowEvent.d @ 13:f565d3a95c0a

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Ported dwt.internal
author Jacob Carlborg <doob@me.com> <jacob.carlborg@gmail.com>
date Fri, 22 Aug 2008 16:46:34 +0200
parents 380af2bdd8e5
children 5b53d338c709
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1 /*******************************************************************************
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2 * Copyright (c) 2003, 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 *
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f565d3a95c0a Ported dwt.internal
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11 * Port to the D programming language:
0
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12 * Jacob Carlborg <jacob.carlborg@gmail.com>
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13 *******************************************************************************/
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14 module dwt.browser.WindowEvent;
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15
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16 import dwt.browser.Browser;
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17 import dwt.dwthelper.utils;
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18 import dwt.events.TypedEvent;
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19 import dwt.graphics.Point;
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20 import dwt.widgets.Widget;
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21
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22 /**
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23 * A <code>WindowEvent</code> is sent by a {@link Browser} when
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24 * a new window needs to be created or when an existing window needs to be
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25 * closed. This notification occurs when a javascript command such as
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26 * <code>window.open</code> or <code>window.close</code> gets executed by
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27 * a <code>Browser</code>.
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28 *
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29 * <p>
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30 * The following example shows how <code>WindowEvent</code>'s are typically
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31 * handled.
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32 *
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33 * <code><pre>
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34 * public static void main(String[] args) {
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35 * Display display = new Display();
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36 * Shell shell = new Shell(display);
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37 * shell.setText("Main Window");
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38 * shell.setLayout(new FillLayout());
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39 * Browser browser = new Browser(shell, DWT.NONE);
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40 * initialize(display, browser);
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41 * shell.open();
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42 * browser.setUrl("http://www.eclipse.org");
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43 * while (!shell.isDisposed()) {
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44 * if (!display.readAndDispatch())
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45 * display.sleep();
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46 * }
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47 * display.dispose();
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48 * }
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49 *
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50 * static void initialize(final Display display, Browser browser) {
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51 * browser.addOpenWindowListener(new OpenWindowListener() {
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52 * public void open(WindowEvent event) {
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53 * // Certain platforms can provide a default full browser.
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54 * // simply return in that case if the application prefers
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55 * // the default full browser to the embedded one set below.
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56 * if (!event.required) return;
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57 *
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58 * // Embed the new window
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59 * Shell shell = new Shell(display);
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60 * shell.setText("New Window");
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61 * shell.setLayout(new FillLayout());
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62 * Browser browser = new Browser(shell, DWT.NONE);
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63 * initialize(display, browser);
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64 * event.browser = browser;
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65 * }
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66 * });
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67 * browser.addVisibilityWindowListener(new VisibilityWindowListener() {
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68 * public void hide(WindowEvent event) {
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69 * Browser browser = (Browser)event.widget;
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70 * Shell shell = browser.getShell();
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71 * shell.setVisible(false);
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72 * }
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73 * public void show(WindowEvent event) {
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74 * Browser browser = (Browser)event.widget;
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75 * Shell shell = browser.getShell();
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76 * if (event.location !is null) shell.setLocation(event.location);
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77 * if (event.size !is null) {
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78 * Point size = event.size;
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79 * shell.setSize(shell.computeSize(size.x, size.y));
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80 * }
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81 * if (event.addressBar || event.menuBar || event.statusBar || event.toolBar) {
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82 * // Create widgets for the address bar, menu bar, status bar and/or tool bar
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83 * // leave enough space in the Shell to accommodate a Browser of the size
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84 * // given by event.size
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85 * }
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86 * shell.open();
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87 * }
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88 * });
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89 * browser.addCloseWindowListener(new CloseWindowListener() {
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90 * public void close(WindowEvent event) {
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91 * Browser browser = (Browser)event.widget;
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92 * Shell shell = browser.getShell();
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93 * shell.close();
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94 * }
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95 * });
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96 * }
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97 * </pre></code>
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98 *
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99 * The following notifications are emitted when the user selects a hyperlink that targets a new window
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100 * or as the result of a javascript that executes window.open.
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101 *
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102 * <p>Main Browser
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103 * <ul>
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104 * <li>User selects a link that opens in a new window or javascript requests a new window</li>
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105 * <li>OpenWindowListener.open() notified</li>
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106 * <ul>
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107 * <li>Application creates a new Shell and a second Browser inside that Shell</li>
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108 * <li>Application registers WindowListener's on that second Browser, such as VisibilityWindowListener</li>
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109 * <li>Application returns the second Browser as the host for the new window content</li>
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110 * </ul>
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111 * </ul>
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112 *
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113 * <p>Second Browser
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114 * <ul>
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115 * <li>VisibilityWindowListener.show() notified</li>
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116 * <ul>
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117 * <li>Application sets navigation tool bar, status bar, menu bar and Shell size
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118 * <li>Application makes the Shell hosting the second Browser visible
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119 * <li>User now sees the new window
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120 * </ul>
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121 * </ul>
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122 *
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123 * @see CloseWindowListener
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124 * @see OpenWindowListener
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125 * @see VisibilityWindowListener
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126 *
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127 * @since 3.0
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128 */
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129 public class WindowEvent : TypedEvent {
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130
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131 /**
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132 * Specifies whether the platform requires the user to provide a
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133 * <code>Browser</code> to handle the new window.
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134 *
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135 * @since 3.1
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136 */
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137 public bool required;
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138
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139 /**
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140 * <code>Browser</code> provided by the application.
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141 */
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142 public Browser browser;
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143
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144 /**
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145 * Requested location for the <code>Shell</code> hosting the <code>Browser</code>.
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146 * It is <code>null</code> if no location has been requested.
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147 */
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148 public Point location;
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149
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150 /**
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151 * Requested <code>Browser</code> size. The client area of the <code>Shell</code>
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152 * hosting the <code>Browser</code> should be large enough to accommodate that size.
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153 * It is <code>null</code> if no size has been requested.
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154 */
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155 public Point size;
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156
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157 /**
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158 * Specifies whether the <code>Shell</code> hosting the <code>Browser</code> should
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159 * display an address bar.
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160 *
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161 * @since 3.1
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162 */
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163 public bool addressBar;
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164
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165 /**
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166 * Specifies whether the <code>Shell</code> hosting the <code>Browser</code> should
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167 * display a menu bar.
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168 *
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169 * @since 3.1
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170 */
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171 public bool menuBar;
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172
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173 /**
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174 * Specifies whether the <code>Shell</code> hosting the <code>Browser</code> should
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175 * display a status bar.
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176 *
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177 * @since 3.1
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178 */
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179 public bool statusBar;
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180
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181 /**
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182 * Specifies whether the <code>Shell</code> hosting the <code>Browser</code> should
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183 * display a tool bar.
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184 *
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185 * @since 3.1
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186 */
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187 public bool toolBar;
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188
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189 static final long serialVersionUID = 3617851997387174969L;
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190
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191 this (Widget w) {
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192 super(w);
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193 }
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194
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195 /**
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196 * Returns a String containing a concise, human-readable
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197 * description of the receiver.
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198 *
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199 * @return a String representation of the event
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200 */
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201 public String toString () {
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202 String str = super.toString();
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203 return str.substring(0, str.length() - 1) // remove trailing '}'
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204 + " required=" + required + " browser=" + browser + " location=" + location + " size=" + size + " addressBar=" + addressBar + " menuBar=" + menuBar + " statusBar=" + statusBar + " toolBar=" + toolBar + "}";
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205 }
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206 }