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1 /*******************************************************************************
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2 * Copyright (c) 2000, 2004 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 * Bill Baxter <bill@billbaxter.com>
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12 *******************************************************************************/
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13 module org.eclipse.swt.snippets.Snippet25;
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14
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15 /*
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16 * Control example snippet: print key state, code and character
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17 *
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18 * For a list of all SWT example snippets see
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19 * http://www.eclipse.org/swt/snippets/
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20 *
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21 * @since 3.0
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22 */
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23 import org.eclipse.swt.SWT;
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24 import org.eclipse.swt.widgets.Display;
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25 import org.eclipse.swt.widgets.Shell;
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26 import org.eclipse.swt.widgets.Listener;
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27 import org.eclipse.swt.widgets.Event;
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28
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29 import tango.io.Stdout;
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30 import tango.text.convert.Format;
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31
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32 static char[] stateMask (int stateMask) {
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33 char[] string = "";
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34 if ((stateMask & SWT.CTRL) != 0) string ~= " CTRL";
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35 if ((stateMask & SWT.ALT) != 0) string ~= " ALT";
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36 if ((stateMask & SWT.SHIFT) != 0) string ~= " SHIFT";
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37 if ((stateMask & SWT.COMMAND) != 0) string ~= " COMMAND";
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38 return string;
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39 }
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40
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41 static char[] character (char character) {
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42 switch (character) {
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43 case 0: return "'\\0'";
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44 case SWT.BS: return "'\\b'";
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45 case SWT.CR: return "'\\r'";
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46 case SWT.DEL: return "DEL";
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47 case SWT.ESC: return "ESC";
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48 case SWT.LF: return "'\\n'";
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49 case SWT.TAB: return "'\\t'";
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50 default:
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51 return "'" ~ character ~"'";
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52 }
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53 }
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54
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55 static char[] keyCode (int keyCode) {
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56 switch (keyCode) {
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57
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58 /* Keyboard and Mouse Masks */
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59 case SWT.ALT: return "ALT";
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60 case SWT.SHIFT: return "SHIFT";
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61 case SWT.CONTROL: return "CONTROL";
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62 case SWT.COMMAND: return "COMMAND";
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63
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64 /* Non-Numeric Keypad Keys */
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65 case SWT.ARROW_UP: return "ARROW_UP";
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66 case SWT.ARROW_DOWN: return "ARROW_DOWN";
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67 case SWT.ARROW_LEFT: return "ARROW_LEFT";
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68 case SWT.ARROW_RIGHT: return "ARROW_RIGHT";
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69 case SWT.PAGE_UP: return "PAGE_UP";
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70 case SWT.PAGE_DOWN: return "PAGE_DOWN";
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71 case SWT.HOME: return "HOME";
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72 case SWT.END: return "END";
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73 case SWT.INSERT: return "INSERT";
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74
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75 /* Virtual and Ascii Keys */
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76 case SWT.BS: return "BS";
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77 case SWT.CR: return "CR";
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78 case SWT.DEL: return "DEL";
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79 case SWT.ESC: return "ESC";
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80 case SWT.LF: return "LF";
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81 case SWT.TAB: return "TAB";
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82
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83 /* Functions Keys */
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84 case SWT.F1: return "F1";
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85 case SWT.F2: return "F2";
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86 case SWT.F3: return "F3";
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87 case SWT.F4: return "F4";
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88 case SWT.F5: return "F5";
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89 case SWT.F6: return "F6";
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90 case SWT.F7: return "F7";
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91 case SWT.F8: return "F8";
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92 case SWT.F9: return "F9";
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93 case SWT.F10: return "F10";
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94 case SWT.F11: return "F11";
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95 case SWT.F12: return "F12";
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96 case SWT.F13: return "F13";
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97 case SWT.F14: return "F14";
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98 case SWT.F15: return "F15";
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99
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100 /* Numeric Keypad Keys */
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101 case SWT.KEYPAD_ADD: return "KEYPAD_ADD";
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102 case SWT.KEYPAD_SUBTRACT: return "KEYPAD_SUBTRACT";
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103 case SWT.KEYPAD_MULTIPLY: return "KEYPAD_MULTIPLY";
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104 case SWT.KEYPAD_DIVIDE: return "KEYPAD_DIVIDE";
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105 case SWT.KEYPAD_DECIMAL: return "KEYPAD_DECIMAL";
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106 case SWT.KEYPAD_CR: return "KEYPAD_CR";
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107 case SWT.KEYPAD_0: return "KEYPAD_0";
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108 case SWT.KEYPAD_1: return "KEYPAD_1";
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109 case SWT.KEYPAD_2: return "KEYPAD_2";
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110 case SWT.KEYPAD_3: return "KEYPAD_3";
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111 case SWT.KEYPAD_4: return "KEYPAD_4";
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112 case SWT.KEYPAD_5: return "KEYPAD_5";
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113 case SWT.KEYPAD_6: return "KEYPAD_6";
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114 case SWT.KEYPAD_7: return "KEYPAD_7";
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115 case SWT.KEYPAD_8: return "KEYPAD_8";
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116 case SWT.KEYPAD_9: return "KEYPAD_9";
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117 case SWT.KEYPAD_EQUAL: return "KEYPAD_EQUAL";
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118
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119 /* Other keys */
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120 case SWT.CAPS_LOCK: return "CAPS_LOCK";
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121 case SWT.NUM_LOCK: return "NUM_LOCK";
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122 case SWT.SCROLL_LOCK: return "SCROLL_LOCK";
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123 case SWT.PAUSE: return "PAUSE";
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124 case SWT.BREAK: return "BREAK";
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125 case SWT.PRINT_SCREEN: return "PRINT_SCREEN";
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126 case SWT.HELP: return "HELP";
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127
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128 default:
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129 return character (cast(char) keyCode);
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130 }
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131
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132 }
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133
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134 void main () {
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135 Display display = new Display ();
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136 Shell shell = new Shell (display);
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137 Listener listener = new class Listener {
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138 public void handleEvent (Event e) {
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139 char[] string = e.type == SWT.KeyDown ? "DOWN:" : "UP :";
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140 string ~= Format("stateMask=0x{:x}{},", e.stateMask, stateMask (e.stateMask));
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141 string ~= Format(" keyCode=0x{:x} {},", e.keyCode, keyCode (e.keyCode));
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142 string ~= Format(" character=0x{:x} {}", e.character, character (e.character));
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143 Stdout.formatln (string);
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144 }
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145 };
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146 shell.addListener (SWT.KeyDown, listener);
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147 shell.addListener (SWT.KeyUp, listener);
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148 shell.setSize (200, 200);
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149 shell.open ();
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150 while (!shell.isDisposed ()) {
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151 if (!display.readAndDispatch ()) display.sleep ();
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152 }
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153 display.dispose ();
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154 }
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