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annotate dwt/widgets/IME.d @ 3:649b8e223d5a

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fix extends
author Frank Benoit <benoit@tionex.de>
date Wed, 27 Aug 2008 13:48:25 +0200
parents 380af2bdd8e5
children 1a8b3cb347e0
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1 /*******************************************************************************
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2 * Copyright (c) 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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11 module dwt.widgets.IME;
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12
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13 import dwt.dwthelper.utils;
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15
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16 import dwt.DWT;
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17 import dwt.graphics.TextStyle;
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18
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649b8e223d5a fix extends
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19 public class IME : Widget {
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20 Canvas parent;
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21 int caretOffset;
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22 int startOffset;
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23 int commitCount;
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24 String text;
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25 int [] ranges;
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26 TextStyle [] styles;
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27
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28 /**
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29 * Prevents uninitialized instances from being created outside the package.
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30 */
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31 IME () {
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32 }
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33
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34 /**
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35 *
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36 * @see DWT
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37 */
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38 public IME (Canvas parent, int style) {
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39 super (parent, style);
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40 this.parent = parent;
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41 createWidget ();
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42 }
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43
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44 void createWidget () {
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45 text = "";
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46 startOffset = -1;
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47 if (parent.getIME () is null) {
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48 parent.setIME (this);
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49 }
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50 }
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51
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52 public int getCaretOffset () {
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53 checkWidget ();
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54 return startOffset + caretOffset;
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55 }
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56
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57 public int getCommitCount () {
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58 checkWidget ();
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59 return commitCount;
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60 }
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61
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62 public int getCompositionOffset () {
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63 checkWidget ();
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64 return startOffset;
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65 }
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66
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67 public int [] getRanges () {
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68 checkWidget ();
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69 return ranges !is null ? ranges : new int [0];
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70 }
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71
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72 public TextStyle [] getStyles () {
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73 checkWidget ();
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74 return styles !is null ? styles : new TextStyle [0];
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75 }
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76
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77 public String getText () {
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78 checkWidget ();
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79 return text;
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80 }
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81
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82 public bool getWideCaret() {
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83 return false;
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84 }
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85
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86 void releaseParent () {
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87 super.releaseParent ();
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88 if (this is parent.getIME ()) parent.setIME (null);
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89 }
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90
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91 void releaseWidget () {
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92 super.releaseWidget ();
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93 parent = null;
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94 text = null;
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95 styles = null;
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96 ranges = null;
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97 }
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98
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99 }