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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2005 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 dwtexamples.controlexample.MenuTab;
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14
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15
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16
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17 import dwt.DWT;
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18 import dwt.events.PaintEvent;
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19 import dwt.events.PaintListener;
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20 import dwt.events.SelectionAdapter;
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21 import dwt.events.SelectionEvent;
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22 import dwt.layout.GridData;
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23 import dwt.layout.GridLayout;
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24 import dwt.widgets.Button;
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25 import dwt.widgets.Group;
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26 import dwt.widgets.Label;
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27 import dwt.widgets.Menu;
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28 import dwt.widgets.MenuItem;
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29 import dwt.widgets.Shell;
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30
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31 import dwtexamples.controlexample.Tab;
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32 import dwtexamples.controlexample.ControlExample;
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33 import tango.util.Convert;
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34
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35 class MenuTab : Tab {
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36 /* Widgets added to the "Menu Style", "MenuItem Style" and "Other" groups */
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37 Button barButton, dropDownButton, popUpButton, noRadioGroupButton, leftToRightButton, rightToLeftButton;
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38 Button checkButton, cascadeButton, pushButton, radioButton, separatorButton;
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39 Button imagesButton, acceleratorsButton, mnemonicsButton, subMenuButton, subSubMenuButton;
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40 Button createButton, closeAllButton;
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41 Group menuItemStyleGroup;
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42
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43 /* Variables used to track the open shells */
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44 int shellCount = 0;
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45 Shell [] shells;
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46
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47 /**
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48 * Creates the Tab within a given instance of ControlExample.
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49 */
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50 this(ControlExample instance) {
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51 super(instance);
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52 shells = new Shell [4];
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53 }
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54
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55 /**
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56 * Close all the example shells.
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57 */
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58 void closeAllShells() {
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59 for (int i = 0; i<shellCount; i++) {
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60 if (shells[i] !is null & !shells [i].isDisposed ()) {
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61 shells [i].dispose();
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62 }
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63 }
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64 shellCount = 0;
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65 }
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66
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67 /**
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68 * Handle the Create button selection event.
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69 *
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70 * @param event org.eclipse.swt.events.SelectionEvent
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71 */
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72 public void createButtonSelected(SelectionEvent event) {
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73
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74 /*
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75 * Remember the example shells so they
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76 * can be disposed by the user.
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77 */
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78 if (shellCount >= shells.length) {
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79 Shell [] newShells = new Shell [shells.length + 4];
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80 System.arraycopy (shells, 0, newShells, 0, shells.length);
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81 shells = newShells;
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82 }
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83
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84 int orientation = 0;
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85 if (leftToRightButton.getSelection()) orientation |= DWT.LEFT_TO_RIGHT;
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86 if (rightToLeftButton.getSelection()) orientation |= DWT.RIGHT_TO_LEFT;
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87 int radioBehavior = 0;
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88 if (noRadioGroupButton.getSelection()) radioBehavior |= DWT.NO_RADIO_GROUP;
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89
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90 /* Create the shell and menu(s) */
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91 Shell shell = new Shell (DWT.SHELL_TRIM | orientation);
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92 shells [shellCount] = shell;
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93 if (barButton.getSelection ()) {
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94 /* Create menu bar. */
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95 Menu menuBar = new Menu(shell, DWT.BAR | radioBehavior);
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96 shell.setMenuBar(menuBar);
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97 hookListeners(menuBar);
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98
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99 if (dropDownButton.getSelection() && cascadeButton.getSelection()) {
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100 /* Create cascade button and drop-down menu in menu bar. */
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101 MenuItem item = new MenuItem(menuBar, DWT.CASCADE);
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102 item.setText(getMenuItemText("Cascade"));
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103 if (imagesButton.getSelection()) item.setImage(instance.images[ControlExample.ciOpenFolder]);
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104 hookListeners(item);
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105 Menu dropDownMenu = new Menu(shell, DWT.DROP_DOWN | radioBehavior);
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106 item.setMenu(dropDownMenu);
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107 hookListeners(dropDownMenu);
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108
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109 /* Create various menu items, depending on selections. */
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110 createMenuItems(dropDownMenu, subMenuButton.getSelection(), subSubMenuButton.getSelection());
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111 }
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112 }
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113
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114 if (popUpButton.getSelection()) {
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115 /* Create pop-up menu. */
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116 Menu popUpMenu = new Menu(shell, DWT.POP_UP | radioBehavior);
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117 shell.setMenu(popUpMenu);
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118 hookListeners(popUpMenu);
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119
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120 /* Create various menu items, depending on selections. */
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121 createMenuItems(popUpMenu, subMenuButton.getSelection(), subSubMenuButton.getSelection());
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122 }
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123
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124 /* Set the size, title and open the shell. */
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125 shell.setSize (300, 100);
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126 shell.setText (ControlExample.getResourceString("Title") ~ to!(char[])(shellCount));
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127 shell.addPaintListener(new class() PaintListener {
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128 public void paintControl(PaintEvent e) {
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129 e.gc.drawString(ControlExample.getResourceString("PopupMenuHere"), 20, 20);
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130 }
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131 });
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132 shell.open ();
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133 shellCount++;
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134 }
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135
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136 /**
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137 * Creates the "Control" group.
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138 */
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139 void createControlGroup () {
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140 /*
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141 * Create the "Control" group. This is the group on the
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142 * right half of each example tab. For MenuTab, it consists of
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143 * the Menu style group, the MenuItem style group and the 'other' group.
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144 */
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145 controlGroup = new Group (tabFolderPage, DWT.NONE);
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146 controlGroup.setLayout (new GridLayout (2, true));
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147 controlGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
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148 controlGroup.setText (ControlExample.getResourceString("Parameters"));
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149
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150 /* Create a group for the menu style controls */
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151 styleGroup = new Group (controlGroup, DWT.NONE);
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152 styleGroup.setLayout (new GridLayout ());
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153 styleGroup.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
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154 styleGroup.setText (ControlExample.getResourceString("Menu_Styles"));
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155
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156 /* Create a group for the menu item style controls */
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157 menuItemStyleGroup = new Group (controlGroup, DWT.NONE);
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158 menuItemStyleGroup.setLayout (new GridLayout ());
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159 menuItemStyleGroup.setLayoutData (new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
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160 menuItemStyleGroup.setText (ControlExample.getResourceString("MenuItem_Styles"));
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161
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162 /* Create a group for the 'other' controls */
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163 otherGroup = new Group (controlGroup, DWT.NONE);
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164 otherGroup.setLayout (new GridLayout ());
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165 otherGroup.setLayoutData (new GridData(GridData.HORIZONTAL_ALIGN_FILL | GridData.VERTICAL_ALIGN_FILL));
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166 otherGroup.setText (ControlExample.getResourceString("Other"));
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167 }
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168
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169 /**
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170 * Creates the "Control" widget children.
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171 */
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172 void createControlWidgets () {
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173
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174 /* Create the menu style buttons */
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175 barButton = new Button (styleGroup, DWT.CHECK);
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176 barButton.setText ("DWT.BAR");
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177 dropDownButton = new Button (styleGroup, DWT.CHECK);
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178 dropDownButton.setText ("DWT.DROP_DOWN");
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179 popUpButton = new Button (styleGroup, DWT.CHECK);
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180 popUpButton.setText ("DWT.POP_UP");
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181 noRadioGroupButton = new Button (styleGroup, DWT.CHECK);
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182 noRadioGroupButton.setText ("DWT.NO_RADIO_GROUP");
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183 leftToRightButton = new Button (styleGroup, DWT.RADIO);
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184 leftToRightButton.setText ("DWT.LEFT_TO_RIGHT");
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185 leftToRightButton.setSelection(true);
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186 rightToLeftButton = new Button (styleGroup, DWT.RADIO);
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187 rightToLeftButton.setText ("DWT.RIGHT_TO_LEFT");
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188
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189 /* Create the menu item style buttons */
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190 cascadeButton = new Button (menuItemStyleGroup, DWT.CHECK);
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191 cascadeButton.setText ("DWT.CASCADE");
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192 checkButton = new Button (menuItemStyleGroup, DWT.CHECK);
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193 checkButton.setText ("DWT.CHECK");
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194 pushButton = new Button (menuItemStyleGroup, DWT.CHECK);
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195 pushButton.setText ("DWT.PUSH");
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196 radioButton = new Button (menuItemStyleGroup, DWT.CHECK);
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197 radioButton.setText ("DWT.RADIO");
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198 separatorButton = new Button (menuItemStyleGroup, DWT.CHECK);
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199 separatorButton.setText ("DWT.SEPARATOR");
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200
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201 /* Create the 'other' buttons */
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202 imagesButton = new Button (otherGroup, DWT.CHECK);
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203 imagesButton.setText (ControlExample.getResourceString("Images"));
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204 acceleratorsButton = new Button (otherGroup, DWT.CHECK);
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205 acceleratorsButton.setText (ControlExample.getResourceString("Accelerators"));
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206 mnemonicsButton = new Button (otherGroup, DWT.CHECK);
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207 mnemonicsButton.setText (ControlExample.getResourceString("Mnemonics"));
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208 subMenuButton = new Button (otherGroup, DWT.CHECK);
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209 subMenuButton.setText (ControlExample.getResourceString("SubMenu"));
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210 subSubMenuButton = new Button (otherGroup, DWT.CHECK);
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211 subSubMenuButton.setText (ControlExample.getResourceString("SubSubMenu"));
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212
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213 /* Create the "create" and "closeAll" buttons (and a 'filler' label to place them) */
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214 new Label(controlGroup, DWT.NONE);
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215 createButton = new Button (controlGroup, DWT.NONE);
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216 createButton.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_END));
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217 createButton.setText (ControlExample.getResourceString("Create_Shell"));
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218 closeAllButton = new Button (controlGroup, DWT.NONE);
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219 closeAllButton.setLayoutData (new GridData (GridData.HORIZONTAL_ALIGN_BEGINNING));
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220 closeAllButton.setText (ControlExample.getResourceString("Close_All_Shells"));
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221
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222 /* Add the listeners */
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223 createButton.addSelectionListener(new class() SelectionAdapter {
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224 public void widgetSelected(SelectionEvent e) {
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225 createButtonSelected(e);
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226 }
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227 });
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228 closeAllButton.addSelectionListener(new class() SelectionAdapter {
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229 public void widgetSelected(SelectionEvent e) {
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230 closeAllShells ();
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231 }
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232 });
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233 subMenuButton.addSelectionListener(new class() SelectionAdapter {
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234 public void widgetSelected(SelectionEvent e) {
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235 subSubMenuButton.setEnabled (subMenuButton.getSelection ());
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236 }
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237 });
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238
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239 /* Set the default state */
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240 barButton.setSelection (true);
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241 dropDownButton.setSelection (true);
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242 popUpButton.setSelection (true);
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243 cascadeButton.setSelection (true);
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244 checkButton.setSelection (true);
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245 pushButton.setSelection (true);
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246 radioButton.setSelection (true);
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247 separatorButton.setSelection (true);
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248 subSubMenuButton.setEnabled (subMenuButton.getSelection ());
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249 }
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250
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251 /* Create various menu items, depending on selections. */
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252 void createMenuItems(Menu menu, bool createSubMenu, bool createSubSubMenu) {
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253 MenuItem item;
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254 if (pushButton.getSelection()) {
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255 item = new MenuItem(menu, DWT.PUSH);
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256 item.setText(getMenuItemText("Push"));
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257 if (acceleratorsButton.getSelection()) item.setAccelerator(DWT.MOD1 + DWT.MOD2 + 'P');
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258 if (imagesButton.getSelection()) item.setImage(instance.images[ControlExample.ciClosedFolder]);
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259 hookListeners(item);
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260 }
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261
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262 if (separatorButton.getSelection()) {
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263 new MenuItem(menu, DWT.SEPARATOR);
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264 }
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265
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266 if (checkButton.getSelection()) {
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267 item = new MenuItem(menu, DWT.CHECK);
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268 item.setText(getMenuItemText("Check"));
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269 if (acceleratorsButton.getSelection()) item.setAccelerator(DWT.MOD1 + DWT.MOD2 + 'C');
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270 if (imagesButton.getSelection()) item.setImage(instance.images[ControlExample.ciOpenFolder]);
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271 hookListeners(item);
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272 }
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273
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274 if (radioButton.getSelection()) {
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275 item = new MenuItem(menu, DWT.RADIO);
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276 item.setText(getMenuItemText("1Radio"));
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277 if (acceleratorsButton.getSelection()) item.setAccelerator(DWT.MOD1 + DWT.MOD2 + '1');
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278 if (imagesButton.getSelection()) item.setImage(instance.images[ControlExample.ciTarget]);
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279 item.setSelection(true);
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280 hookListeners(item);
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281
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282 item = new MenuItem(menu, DWT.RADIO);
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283 item.setText(getMenuItemText("2Radio"));
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284 if (acceleratorsButton.getSelection()) item.setAccelerator(DWT.MOD1 + DWT.MOD2 + '2');
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285 if (imagesButton.getSelection()) item.setImage(instance.images[ControlExample.ciTarget]);
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286 hookListeners(item);
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287 }
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288
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289 if (createSubMenu && cascadeButton.getSelection()) {
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290 /* Create cascade button and drop-down menu for the sub-menu. */
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291 item = new MenuItem(menu, DWT.CASCADE);
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292 item.setText(getMenuItemText("Cascade"));
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293 if (imagesButton.getSelection()) item.setImage(instance.images[ControlExample.ciOpenFolder]);
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294 hookListeners(item);
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295 Menu subMenu = new Menu(menu.getShell(), DWT.DROP_DOWN);
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296 item.setMenu(subMenu);
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297 hookListeners(subMenu);
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298
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299 createMenuItems(subMenu, createSubSubMenu, false);
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300 }
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301 }
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302
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303 char[] getMenuItemText(char[] item) {
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304 bool cascade = ( item == "Cascade");
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305 bool mnemonic = mnemonicsButton.getSelection();
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306 bool accelerator = acceleratorsButton.getSelection();
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307 char acceleratorKey = item[0];
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308 if (mnemonic && accelerator && !cascade) {
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309 return ControlExample.getResourceString(item ~ "WithMnemonic") ~ "\tCtrl+Shift+" ~ acceleratorKey;
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310 }
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311 if (accelerator && !cascade) {
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312 return ControlExample.getResourceString(item) ~ "\tCtrl+Shift+" ~ acceleratorKey;
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313 }
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314 if (mnemonic) {
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315 return ControlExample.getResourceString(item ~ "WithMnemonic");
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316 }
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317 return ControlExample.getResourceString(item);
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318 }
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319
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320 /**
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321 * Gets the text for the tab folder item.
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322 */
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323 char[] getTabText () {
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324 return "Menu";
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325 }
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326 }
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