Mercurial > projects > dwt-addons
annotate dwtx/jface/text/TextAttribute.d @ 160:3678e4f1a766
toHash, toString
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Wed, 27 Aug 2008 02:07:22 +0200 |
| parents | 000f9136b8f7 |
| children | 1a5b8f8129df |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2006 IBM Corporation and others. | |
| 3 * All rights reserved. This program and the accompanying materials | |
| 4 * are made available under the terms of the Eclipse Public License v1.0 | |
| 5 * which accompanies this distribution, and is available at | |
| 6 * http://www.eclipse.org/legal/epl-v10.html | |
| 7 * | |
| 8 * Contributors: | |
| 9 * IBM Corporation - initial API and implementation | |
| 10 * Port to the D programming language: | |
| 11 * Frank Benoit <benoit@tionex.de> | |
| 12 *******************************************************************************/ | |
| 13 module dwtx.jface.text.TextAttribute; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.IDocumentPartitioningListener; // packageimport |
| 16 import dwtx.jface.text.DefaultTextHover; // packageimport | |
| 17 import dwtx.jface.text.AbstractInformationControl; // packageimport | |
| 18 import dwtx.jface.text.TextUtilities; // packageimport | |
| 19 import dwtx.jface.text.IInformationControlCreatorExtension; // packageimport | |
| 20 import dwtx.jface.text.AbstractInformationControlManager; // packageimport | |
| 21 import dwtx.jface.text.ITextViewerExtension2; // packageimport | |
| 22 import dwtx.jface.text.IDocumentPartitioner; // packageimport | |
| 23 import dwtx.jface.text.DefaultIndentLineAutoEditStrategy; // packageimport | |
| 24 import dwtx.jface.text.ITextSelection; // packageimport | |
| 25 import dwtx.jface.text.Document; // packageimport | |
| 26 import dwtx.jface.text.FindReplaceDocumentAdapterContentProposalProvider; // packageimport | |
| 27 import dwtx.jface.text.ITextListener; // packageimport | |
| 28 import dwtx.jface.text.BadPartitioningException; // packageimport | |
| 29 import dwtx.jface.text.ITextViewerExtension5; // packageimport | |
| 30 import dwtx.jface.text.IDocumentPartitionerExtension3; // packageimport | |
| 31 import dwtx.jface.text.IUndoManager; // packageimport | |
| 32 import dwtx.jface.text.ITextHoverExtension2; // packageimport | |
| 33 import dwtx.jface.text.IRepairableDocument; // packageimport | |
| 34 import dwtx.jface.text.IRewriteTarget; // packageimport | |
| 35 import dwtx.jface.text.DefaultPositionUpdater; // packageimport | |
| 36 import dwtx.jface.text.RewriteSessionEditProcessor; // packageimport | |
| 37 import dwtx.jface.text.TextViewerHoverManager; // packageimport | |
| 38 import dwtx.jface.text.DocumentRewriteSession; // packageimport | |
| 39 import dwtx.jface.text.TextViewer; // packageimport | |
| 40 import dwtx.jface.text.ITextViewerExtension8; // packageimport | |
| 41 import dwtx.jface.text.RegExMessages; // packageimport | |
| 42 import dwtx.jface.text.IDelayedInputChangeProvider; // packageimport | |
| 43 import dwtx.jface.text.ITextOperationTargetExtension; // packageimport | |
| 44 import dwtx.jface.text.IWidgetTokenOwner; // packageimport | |
| 45 import dwtx.jface.text.IViewportListener; // packageimport | |
| 46 import dwtx.jface.text.GapTextStore; // packageimport | |
| 47 import dwtx.jface.text.MarkSelection; // packageimport | |
| 48 import dwtx.jface.text.IDocumentPartitioningListenerExtension; // packageimport | |
| 49 import dwtx.jface.text.IDocumentAdapterExtension; // packageimport | |
| 50 import dwtx.jface.text.IInformationControlExtension; // packageimport | |
| 51 import dwtx.jface.text.IDocumentPartitioningListenerExtension2; // packageimport | |
| 52 import dwtx.jface.text.DefaultDocumentAdapter; // packageimport | |
| 53 import dwtx.jface.text.ITextViewerExtension3; // packageimport | |
| 54 import dwtx.jface.text.IInformationControlCreator; // packageimport | |
| 55 import dwtx.jface.text.TypedRegion; // packageimport | |
| 56 import dwtx.jface.text.ISynchronizable; // packageimport | |
| 57 import dwtx.jface.text.IMarkRegionTarget; // packageimport | |
| 58 import dwtx.jface.text.TextViewerUndoManager; // packageimport | |
| 59 import dwtx.jface.text.IRegion; // packageimport | |
| 60 import dwtx.jface.text.IInformationControlExtension2; // packageimport | |
| 61 import dwtx.jface.text.IDocumentExtension4; // packageimport | |
| 62 import dwtx.jface.text.IDocumentExtension2; // packageimport | |
| 63 import dwtx.jface.text.IDocumentPartitionerExtension2; // packageimport | |
| 64 import dwtx.jface.text.Assert; // packageimport | |
| 65 import dwtx.jface.text.DefaultInformationControl; // packageimport | |
| 66 import dwtx.jface.text.IWidgetTokenOwnerExtension; // packageimport | |
| 67 import dwtx.jface.text.DocumentClone; // packageimport | |
| 68 import dwtx.jface.text.DefaultUndoManager; // packageimport | |
| 69 import dwtx.jface.text.IFindReplaceTarget; // packageimport | |
| 70 import dwtx.jface.text.IAutoEditStrategy; // packageimport | |
| 71 import dwtx.jface.text.ILineTrackerExtension; // packageimport | |
| 72 import dwtx.jface.text.IUndoManagerExtension; // packageimport | |
| 73 import dwtx.jface.text.TextSelection; // packageimport | |
| 74 import dwtx.jface.text.DefaultAutoIndentStrategy; // packageimport | |
| 75 import dwtx.jface.text.IAutoIndentStrategy; // packageimport | |
| 76 import dwtx.jface.text.IPainter; // packageimport | |
| 77 import dwtx.jface.text.IInformationControl; // packageimport | |
| 78 import dwtx.jface.text.IInformationControlExtension3; // packageimport | |
| 79 import dwtx.jface.text.ITextViewerExtension6; // packageimport | |
| 80 import dwtx.jface.text.IInformationControlExtension4; // packageimport | |
| 81 import dwtx.jface.text.DefaultLineTracker; // packageimport | |
| 82 import dwtx.jface.text.IDocumentInformationMappingExtension; // packageimport | |
| 83 import dwtx.jface.text.IRepairableDocumentExtension; // packageimport | |
| 84 import dwtx.jface.text.ITextHover; // packageimport | |
| 85 import dwtx.jface.text.FindReplaceDocumentAdapter; // packageimport | |
| 86 import dwtx.jface.text.ILineTracker; // packageimport | |
| 87 import dwtx.jface.text.Line; // packageimport | |
| 88 import dwtx.jface.text.ITextViewerExtension; // packageimport | |
| 89 import dwtx.jface.text.IDocumentAdapter; // packageimport | |
| 90 import dwtx.jface.text.TextEvent; // packageimport | |
| 91 import dwtx.jface.text.BadLocationException; // packageimport | |
| 92 import dwtx.jface.text.AbstractDocument; // packageimport | |
| 93 import dwtx.jface.text.AbstractLineTracker; // packageimport | |
| 94 import dwtx.jface.text.TreeLineTracker; // packageimport | |
| 95 import dwtx.jface.text.ITextPresentationListener; // packageimport | |
| 96 import dwtx.jface.text.Region; // packageimport | |
| 97 import dwtx.jface.text.ITextViewer; // packageimport | |
| 98 import dwtx.jface.text.IDocumentInformationMapping; // packageimport | |
| 99 import dwtx.jface.text.MarginPainter; // packageimport | |
| 100 import dwtx.jface.text.IPaintPositionManager; // packageimport | |
| 101 import dwtx.jface.text.TextPresentation; // packageimport | |
| 102 import dwtx.jface.text.IFindReplaceTargetExtension; // packageimport | |
| 103 import dwtx.jface.text.ISlaveDocumentManagerExtension; // packageimport | |
| 104 import dwtx.jface.text.ISelectionValidator; // packageimport | |
| 105 import dwtx.jface.text.IDocumentExtension; // packageimport | |
| 106 import dwtx.jface.text.PropagatingFontFieldEditor; // packageimport | |
| 107 import dwtx.jface.text.ConfigurableLineTracker; // packageimport | |
| 108 import dwtx.jface.text.SlaveDocumentEvent; // packageimport | |
| 109 import dwtx.jface.text.IDocumentListener; // packageimport | |
| 110 import dwtx.jface.text.PaintManager; // packageimport | |
| 111 import dwtx.jface.text.IFindReplaceTargetExtension3; // packageimport | |
| 112 import dwtx.jface.text.ITextDoubleClickStrategy; // packageimport | |
| 113 import dwtx.jface.text.IDocumentExtension3; // packageimport | |
| 114 import dwtx.jface.text.Position; // packageimport | |
| 115 import dwtx.jface.text.TextMessages; // packageimport | |
| 116 import dwtx.jface.text.CopyOnWriteTextStore; // packageimport | |
| 117 import dwtx.jface.text.WhitespaceCharacterPainter; // packageimport | |
| 118 import dwtx.jface.text.IPositionUpdater; // packageimport | |
| 119 import dwtx.jface.text.DefaultTextDoubleClickStrategy; // packageimport | |
| 120 import dwtx.jface.text.ListLineTracker; // packageimport | |
| 121 import dwtx.jface.text.ITextInputListener; // packageimport | |
| 122 import dwtx.jface.text.BadPositionCategoryException; // packageimport | |
| 123 import dwtx.jface.text.IWidgetTokenKeeperExtension; // packageimport | |
| 124 import dwtx.jface.text.IInputChangedListener; // packageimport | |
| 125 import dwtx.jface.text.ITextOperationTarget; // packageimport | |
| 126 import dwtx.jface.text.IDocumentInformationMappingExtension2; // packageimport | |
| 127 import dwtx.jface.text.ITextViewerExtension7; // packageimport | |
| 128 import dwtx.jface.text.IInformationControlExtension5; // packageimport | |
| 129 import dwtx.jface.text.IDocumentRewriteSessionListener; // packageimport | |
| 130 import dwtx.jface.text.JFaceTextUtil; // packageimport | |
| 131 import dwtx.jface.text.AbstractReusableInformationControlCreator; // packageimport | |
| 132 import dwtx.jface.text.TabsToSpacesConverter; // packageimport | |
| 133 import dwtx.jface.text.CursorLinePainter; // packageimport | |
| 134 import dwtx.jface.text.ITextHoverExtension; // packageimport | |
| 135 import dwtx.jface.text.IEventConsumer; // packageimport | |
| 136 import dwtx.jface.text.IDocument; // packageimport | |
| 137 import dwtx.jface.text.IWidgetTokenKeeper; // packageimport | |
| 138 import dwtx.jface.text.DocumentCommand; // packageimport | |
| 139 import dwtx.jface.text.TypedPosition; // packageimport | |
| 140 import dwtx.jface.text.IEditingSupportRegistry; // packageimport | |
| 141 import dwtx.jface.text.IDocumentPartitionerExtension; // packageimport | |
| 142 import dwtx.jface.text.AbstractHoverInformationControlManager; // packageimport | |
| 143 import dwtx.jface.text.IEditingSupport; // packageimport | |
| 144 import dwtx.jface.text.IMarkSelection; // packageimport | |
| 145 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
| 146 import dwtx.jface.text.DocumentEvent; // packageimport | |
| 147 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
| 148 import dwtx.jface.text.ITextStore; // packageimport | |
| 149 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
| 150 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport | |
| 151 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport | |
| 152 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport | |
| 153 import dwtx.jface.text.ITextViewerExtension4; // packageimport | |
| 154 import dwtx.jface.text.ITypedRegion; // packageimport | |
| 155 | |
| 156 | |
| 129 | 157 import dwt.dwthelper.utils; |
| 158 | |
| 159 | |
| 160 import dwt.DWT; | |
| 161 import dwt.graphics.Color; | |
| 162 import dwt.graphics.Font; | |
| 163 | |
| 164 | |
| 165 /** | |
| 166 * Description of textual attributes such as color and style. Text attributes | |
| 167 * are considered value objects. | |
| 168 * <p> | |
| 169 * Clients usually instantiate object of the class.</p> | |
| 170 */ | |
| 171 public class TextAttribute { | |
| 172 | |
| 173 /** | |
| 174 * Text attribute for strikethrough style. | |
| 175 * (value <code>1 << 29</code>). | |
| 176 * @since 3.1 | |
| 177 */ | |
| 147 | 178 public static const int STRIKETHROUGH= 1 << 29; |
| 129 | 179 |
| 180 /** | |
| 181 * Text attribute for underline style. | |
| 182 * (value <code>1 << 30</code>) | |
| 183 * @since 3.1 | |
| 184 */ | |
| 147 | 185 public static const int UNDERLINE= 1 << 30; |
| 129 | 186 |
| 187 | |
| 188 /** Foreground color */ | |
| 189 private Color foreground; | |
| 190 | |
| 191 /** Background color */ | |
| 192 private Color background; | |
| 193 | |
| 194 /** The text style */ | |
| 195 private int style; | |
| 196 | |
| 197 /** | |
| 198 * The text font. | |
| 199 * @since 3.3 | |
| 200 */ | |
| 201 private Font font; | |
| 202 | |
| 203 /** | |
| 204 * Cached hash code. | |
| 205 * @since 3.3 | |
| 206 */ | |
| 207 private int fHashCode; | |
| 208 | |
| 209 /** | |
| 210 * Creates a text attribute with the given colors and style. | |
| 211 * | |
| 212 * @param foreground the foreground color, <code>null</code> if none | |
| 213 * @param background the background color, <code>null</code> if none | |
| 214 * @param style the style | |
| 215 */ | |
|
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216 public this(Color foreground, Color background, int style) { |
| 129 | 217 this.foreground= foreground; |
| 218 this.background= background; | |
| 219 this.style= style; | |
| 220 } | |
| 221 | |
| 222 /** | |
| 223 * Creates a text attribute with the given colors and style. | |
| 224 * | |
| 225 * @param foreground the foreground color, <code>null</code> if none | |
| 226 * @param background the background color, <code>null</code> if none | |
| 227 * @param style the style | |
| 228 * @param font the font, <code>null</code> if none | |
| 229 * @since 3.3 | |
| 230 */ | |
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231 public this(Color foreground, Color background, int style, Font font) { |
| 129 | 232 this.foreground= foreground; |
| 233 this.background= background; | |
| 234 this.style= style; | |
| 235 this.font= font; | |
| 236 } | |
| 237 | |
| 238 /** | |
| 239 * Creates a text attribute for the given foreground color, no background color and | |
| 240 * with the DWT normal style. | |
| 241 * | |
| 242 * @param foreground the foreground color, <code>null</code> if none | |
| 243 */ | |
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7d818bd32d63
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parents:
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changeset
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244 public this(Color foreground) { |
| 129 | 245 this(foreground, null, DWT.NORMAL); |
| 246 } | |
| 247 | |
| 248 /* | |
| 249 * @see Object#equals(Object) | |
| 250 */ | |
| 251 public bool equals(Object object) { | |
| 252 | |
| 253 if (object is this) | |
| 254 return true; | |
| 255 | |
| 138 | 256 if (!( cast(TextAttribute)object )) |
| 129 | 257 return false; |
| 134 | 258 TextAttribute a= cast(TextAttribute)object; |
| 129 | 259 |
| 260 return (a.style is style && equals(a.foreground, foreground) && equals(a.background, background) && equals(a.font, font)); | |
| 261 } | |
| 262 | |
| 263 /** | |
| 264 * Returns whether the two given objects are equal. | |
| 265 * | |
| 266 * @param o1 the first object, can be <code>null</code> | |
| 267 * @param o2 the second object, can be <code>null</code> | |
| 268 * @return <code>true</code> if the given objects are equals | |
| 269 * @since 2.0 | |
| 270 */ | |
| 271 private bool equals(Object o1, Object o2) { | |
| 272 if (o1 !is null) | |
| 273 return o1.equals(o2); | |
| 274 return (o2 is null); | |
| 275 } | |
| 276 | |
| 277 /* | |
| 278 * @see Object#hashCode() | |
| 279 */ | |
| 160 | 280 public override hash_t toHash() { |
| 129 | 281 if (fHashCode is 0) { |
| 282 int multiplier= 37; // some prime | |
| 283 fHashCode= 13; // some random value | |
| 160 | 284 fHashCode= multiplier * fHashCode + (font is null ? 0 : font.toHash()); |
| 285 fHashCode= multiplier * fHashCode + (background is null ? 0 : background.toHash()); | |
| 286 fHashCode= multiplier * fHashCode + (foreground is null ? 0 : foreground.toHash()); | |
| 129 | 287 fHashCode= multiplier * fHashCode + style; |
| 288 } | |
| 289 return fHashCode; | |
| 290 } | |
| 291 | |
| 292 /** | |
| 293 * Returns the attribute's foreground color. | |
| 294 * | |
| 295 * @return the attribute's foreground color or <code>null</code> if not set | |
| 296 */ | |
| 297 public Color getForeground() { | |
| 298 return foreground; | |
| 299 } | |
| 300 | |
| 301 /** | |
| 302 * Returns the attribute's background color. | |
| 303 * | |
| 304 * @return the attribute's background color or <code>null</code> if not set | |
| 305 */ | |
| 306 public Color getBackground() { | |
| 307 return background; | |
| 308 } | |
| 309 | |
| 310 /** | |
| 311 * Returns the attribute's style. | |
| 312 * | |
| 313 * @return the attribute's style | |
| 314 */ | |
| 315 public int getStyle() { | |
| 316 return style; | |
| 317 } | |
| 318 | |
| 319 /** | |
| 320 * Returns the attribute's font. | |
| 321 * | |
| 322 * @return the attribute's font or <code>null</code> if not set | |
| 323 * @since 3.3 | |
| 324 */ | |
| 325 public Font getFont() { | |
| 326 return font; | |
| 327 } | |
| 328 } |