Mercurial > projects > dwt-linux
annotate dwt/custom/Bullet.d @ 238:380bad9f6852
reverted char[] to String
author | Frank Benoit <benoit@tionex.de> |
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date | Mon, 05 May 2008 00:42:55 +0200 |
parents | 0f12f6bb9739 |
children | c0d810de7093 |
rev | line source |
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108 | 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 |
108 | 10 * Port to the D programming language: |
11 * Frank Benoit <benoit@tionex.de> | |
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12 *******************************************************************************/ |
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13 module dwt.custom.Bullet; |
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14 |
238 | 15 import dwt.dwthelper.utils; |
16 | |
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17 import dwt.DWT; |
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18 import dwt.custom.StyleRange; |
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19 import dwt.custom.ST; |
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20 import dwt.dwthelper.System; |
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21 |
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22 /** |
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23 * Instances of this class represent bullets in the <code>StyledText</code>. |
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24 * <p> |
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25 * The hashCode() method in this class uses the values of the public |
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26 * fields to compute the hash value. When storing instances of the |
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27 * class in hashed collections, do not modify these fields after the |
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28 * object has been inserted. |
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29 * </p> |
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30 * <p> |
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31 * Application code does <em>not</em> need to explicitly release the |
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32 * resources managed by each instance when those instances are no longer |
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33 * required, and thus no <code>dispose()</code> method is provided. |
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34 * </p> |
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35 * |
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36 * @see StyledText#setLineBullet(int, int, Bullet) |
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37 * |
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38 * @since 3.2 |
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39 */ |
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40 public class Bullet { |
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41 public int type; |
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42 public StyleRange style; |
238 | 43 public String text; |
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44 int[] linesIndices; |
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45 int count; |
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46 |
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47 /** |
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48 * Create a new bullet the specified style, the type is set to ST.BULLET_DOT. |
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49 * The style must have a glyph metrics set. |
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50 * |
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51 * @param style the style |
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52 * |
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53 * @exception IllegalArgumentException <ul> |
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54 * <li>ERROR_NULL_ARGUMENT when the style or the glyph metrics are null</li> |
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55 * </ul> |
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56 */ |
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57 public this(StyleRange style) { |
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58 this(ST.BULLET_DOT, style); |
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59 } |
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60 /** |
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61 * Create a new bullet the specified style and type. |
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62 * The style must have a glyph metrics set. |
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63 * |
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64 * @param style the style |
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65 * |
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66 * @exception IllegalArgumentException <ul> |
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67 * <li>ERROR_NULL_ARGUMENT when the style or the glyph metrics are null</li> |
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68 * </ul> |
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69 */ |
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70 public this(int type, StyleRange style) { |
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71 if (style is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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72 if (style.metrics is null) DWT.error(DWT.ERROR_NULL_ARGUMENT); |
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73 this.type = type; |
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74 this.style = style; |
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75 } |
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76 void addIndices (int startLine, int lineCount) { |
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77 if (linesIndices is null) { |
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78 linesIndices = new int[lineCount]; |
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79 count = lineCount; |
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80 for (int i = 0; i < lineCount; i++) linesIndices[i] = startLine + i; |
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81 } else { |
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82 int modifyStart = 0; |
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83 while (modifyStart < count) { |
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84 if (startLine <= linesIndices[modifyStart]) break; |
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85 modifyStart++; |
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86 } |
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87 int modifyEnd = modifyStart; |
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88 while (modifyEnd < count) { |
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89 if (startLine + lineCount <= linesIndices[modifyEnd]) break; |
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90 modifyEnd++; |
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91 } |
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92 int newSize = modifyStart + lineCount + count - modifyEnd; |
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93 if (newSize > linesIndices.length) { |
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94 int[] newLinesIndices = new int[newSize]; |
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95 System.arraycopy(linesIndices, 0, newLinesIndices, 0, count); |
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96 linesIndices = newLinesIndices; |
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97 } |
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98 System.arraycopy(linesIndices, modifyEnd, linesIndices, modifyStart + lineCount, count - modifyEnd); |
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99 for (int i = 0; i < lineCount; i++) linesIndices[modifyStart + i] = startLine + i; |
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100 count = newSize; |
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101 } |
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102 } |
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103 int indexOf (int lineIndex) { |
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104 for (int i = 0; i < count; i++) { |
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105 if (linesIndices[i] is lineIndex) return i; |
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BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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106 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
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107 return -1; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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108 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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109 public override hash_t toHash() { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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110 return style.toHash() ^ type; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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111 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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112 int[] removeIndices (int startLine, int replaceLineCount, int newLineCount, bool update) { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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113 if (count is 0) return null; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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114 if (startLine > linesIndices[count - 1]) return null; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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115 int endLine = startLine + replaceLineCount; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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116 int delta = newLineCount - replaceLineCount; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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117 for (int i = 0; i < count; i++) { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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118 int index = linesIndices[i]; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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119 if (startLine <= index) { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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120 int j = i; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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121 while (j < count) { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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122 if (linesIndices[j] >= endLine) break; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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123 j++; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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124 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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125 if (update) { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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126 for (int k = j; k < count; k++) linesIndices[k] += delta; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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127 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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128 int[] redrawLines = new int[count - j]; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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129 System.arraycopy(linesIndices, j, redrawLines, 0, count - j); |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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130 System.arraycopy(linesIndices, j, linesIndices, i, count - j); |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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131 count -= (j - i); |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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132 return redrawLines; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
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changeset
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133 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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134 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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135 for (int i = 0; i < count; i++) linesIndices[i] += delta; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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136 return null; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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137 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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138 int size() { |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
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139 return count; |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
140 } |
5eaabd099f15
BidiSegmentEvent, Bullet, StyledTextContent, StyledTextEvent, TextChangeListener, TextChangedEvent, TextChangingEvent
Frank Benoit <benoit@tionex.de>
parents:
diff
changeset
|
141 } |