Mercurial > projects > dwt-addons
annotate dwtx/jface/text/source/VerticalRuler.d @ 192:c3583c6ec027
Added missing default cases for switch statements
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Mon, 03 Nov 2008 22:52:26 +0100 |
| parents | 7926b636c282 |
| children |
| rev | line source |
|---|---|
| 129 | 1 /******************************************************************************* |
| 2 * Copyright (c) 2000, 2008 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.source.VerticalRuler; | |
| 14 | |
| 131 | 15 import dwtx.jface.text.source.ISharedTextColors; // packageimport |
| 16 import dwtx.jface.text.source.ILineRange; // packageimport | |
| 17 import dwtx.jface.text.source.IAnnotationPresentation; // packageimport | |
| 18 import dwtx.jface.text.source.IVerticalRulerInfoExtension; // packageimport | |
| 19 import dwtx.jface.text.source.ICharacterPairMatcher; // packageimport | |
| 20 import dwtx.jface.text.source.TextInvocationContext; // packageimport | |
| 21 import dwtx.jface.text.source.LineChangeHover; // packageimport | |
| 22 import dwtx.jface.text.source.IChangeRulerColumn; // packageimport | |
| 23 import dwtx.jface.text.source.IAnnotationMap; // packageimport | |
| 24 import dwtx.jface.text.source.IAnnotationModelListenerExtension; // packageimport | |
| 25 import dwtx.jface.text.source.ISourceViewerExtension2; // packageimport | |
| 26 import dwtx.jface.text.source.IAnnotationHover; // packageimport | |
| 27 import dwtx.jface.text.source.ContentAssistantFacade; // packageimport | |
| 28 import dwtx.jface.text.source.IAnnotationAccess; // packageimport | |
| 29 import dwtx.jface.text.source.IVerticalRulerExtension; // packageimport | |
| 30 import dwtx.jface.text.source.IVerticalRulerColumn; // packageimport | |
| 31 import dwtx.jface.text.source.LineNumberRulerColumn; // packageimport | |
| 32 import dwtx.jface.text.source.MatchingCharacterPainter; // packageimport | |
| 33 import dwtx.jface.text.source.IAnnotationModelExtension; // packageimport | |
| 34 import dwtx.jface.text.source.ILineDifferExtension; // packageimport | |
| 35 import dwtx.jface.text.source.DefaultCharacterPairMatcher; // packageimport | |
| 36 import dwtx.jface.text.source.LineNumberChangeRulerColumn; // packageimport | |
| 37 import dwtx.jface.text.source.IAnnotationAccessExtension; // packageimport | |
| 38 import dwtx.jface.text.source.ISourceViewer; // packageimport | |
| 39 import dwtx.jface.text.source.AnnotationModel; // packageimport | |
| 40 import dwtx.jface.text.source.ILineDifferExtension2; // packageimport | |
| 41 import dwtx.jface.text.source.IAnnotationModelListener; // packageimport | |
| 42 import dwtx.jface.text.source.IVerticalRuler; // packageimport | |
| 43 import dwtx.jface.text.source.DefaultAnnotationHover; // packageimport | |
| 44 import dwtx.jface.text.source.SourceViewer; // packageimport | |
| 45 import dwtx.jface.text.source.SourceViewerConfiguration; // packageimport | |
| 46 import dwtx.jface.text.source.AnnotationBarHoverManager; // packageimport | |
| 47 import dwtx.jface.text.source.CompositeRuler; // packageimport | |
| 48 import dwtx.jface.text.source.ImageUtilities; // packageimport | |
| 49 import dwtx.jface.text.source.VisualAnnotationModel; // packageimport | |
| 50 import dwtx.jface.text.source.IAnnotationModel; // packageimport | |
| 51 import dwtx.jface.text.source.ISourceViewerExtension3; // packageimport | |
| 52 import dwtx.jface.text.source.ILineDiffInfo; // packageimport | |
| 53 import dwtx.jface.text.source.VerticalRulerEvent; // packageimport | |
| 54 import dwtx.jface.text.source.ChangeRulerColumn; // packageimport | |
| 55 import dwtx.jface.text.source.ILineDiffer; // packageimport | |
| 56 import dwtx.jface.text.source.AnnotationModelEvent; // packageimport | |
| 57 import dwtx.jface.text.source.AnnotationColumn; // packageimport | |
| 58 import dwtx.jface.text.source.AnnotationRulerColumn; // packageimport | |
| 59 import dwtx.jface.text.source.IAnnotationHoverExtension; // packageimport | |
| 60 import dwtx.jface.text.source.AbstractRulerColumn; // packageimport | |
| 61 import dwtx.jface.text.source.ISourceViewerExtension; // packageimport | |
| 62 import dwtx.jface.text.source.AnnotationMap; // packageimport | |
| 63 import dwtx.jface.text.source.IVerticalRulerInfo; // packageimport | |
| 64 import dwtx.jface.text.source.IAnnotationModelExtension2; // packageimport | |
| 65 import dwtx.jface.text.source.LineRange; // packageimport | |
| 66 import dwtx.jface.text.source.IAnnotationAccessExtension2; // packageimport | |
| 67 import dwtx.jface.text.source.JFaceTextMessages; // packageimport | |
| 68 import dwtx.jface.text.source.IOverviewRuler; // packageimport | |
| 69 import dwtx.jface.text.source.Annotation; // packageimport | |
| 70 import dwtx.jface.text.source.IVerticalRulerListener; // packageimport | |
| 71 import dwtx.jface.text.source.ISourceViewerExtension4; // packageimport | |
| 72 import dwtx.jface.text.source.AnnotationPainter; // packageimport | |
| 73 import dwtx.jface.text.source.IAnnotationHoverExtension2; // packageimport | |
| 74 import dwtx.jface.text.source.OverviewRuler; // packageimport | |
| 75 import dwtx.jface.text.source.OverviewRulerHoverManager; // packageimport | |
| 76 | |
| 77 | |
| 129 | 78 import dwt.dwthelper.utils; |
| 79 | |
| 80 | |
|
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81 import dwtx.dwtxhelper.Collection; |
| 129 | 82 |
| 83 import dwt.DWT; | |
| 84 import dwt.custom.StyledText; | |
| 85 import dwt.events.DisposeEvent; | |
| 86 import dwt.events.DisposeListener; | |
| 87 import dwt.events.MouseEvent; | |
| 88 import dwt.events.MouseListener; | |
| 89 import dwt.events.PaintEvent; | |
| 90 import dwt.events.PaintListener; | |
| 91 import dwt.graphics.Font; | |
| 92 import dwt.graphics.GC; | |
| 93 import dwt.graphics.Image; | |
| 94 import dwt.graphics.Point; | |
| 95 import dwt.graphics.Rectangle; | |
| 96 import dwt.widgets.Canvas; | |
| 97 import dwt.widgets.Composite; | |
| 98 import dwt.widgets.Control; | |
| 99 import dwt.widgets.Display; | |
| 100 import dwtx.jface.text.BadLocationException; | |
| 101 import dwtx.jface.text.IDocument; | |
| 102 import dwtx.jface.text.IRegion; | |
| 103 import dwtx.jface.text.ITextListener; | |
| 104 import dwtx.jface.text.ITextViewer; | |
| 105 import dwtx.jface.text.ITextViewerExtension5; | |
| 106 import dwtx.jface.text.IViewportListener; | |
| 107 import dwtx.jface.text.JFaceTextUtil; | |
| 108 import dwtx.jface.text.Position; | |
| 109 import dwtx.jface.text.Region; | |
| 110 import dwtx.jface.text.TextEvent; | |
| 111 | |
| 112 | |
| 113 /** | |
| 114 * A vertical ruler which is connected to a text viewer. Single column standard | |
| 115 * implementation of {@link dwtx.jface.text.source.IVerticalRuler}. | |
| 116 * <p> | |
| 117 * The same can be achieved by using <code>CompositeRuler</code> configured | |
| 118 * with an <code>AnnotationRulerColumn</code>. Clients may use this class as | |
| 119 * is. | |
| 120 * | |
| 121 * @see dwtx.jface.text.ITextViewer | |
| 122 */ | |
| 123 public final class VerticalRuler : IVerticalRuler, IVerticalRulerExtension { | |
| 124 | |
| 125 /** | |
| 126 * Internal listener class. | |
| 127 */ | |
| 128 class InternalListener : IViewportListener, IAnnotationModelListener, ITextListener { | |
| 129 | |
| 130 /* | |
| 131 * @see IViewportListener#viewportChanged(int) | |
| 132 */ | |
| 133 public void viewportChanged(int verticalPosition) { | |
| 134 if (verticalPosition !is fScrollPos) | |
| 135 redraw(); | |
| 136 } | |
| 137 | |
| 138 /* | |
| 139 * @see IAnnotationModelListener#modelChanged(IAnnotationModel) | |
| 140 */ | |
| 141 public void modelChanged(IAnnotationModel model) { | |
| 142 update(); | |
| 143 } | |
| 144 | |
| 145 /* | |
| 146 * @see ITextListener#textChanged(TextEvent) | |
| 147 */ | |
| 148 public void textChanged(TextEvent e) { | |
| 149 if (fTextViewer !is null && e.getViewerRedrawState()) | |
| 150 redraw(); | |
| 151 } | |
| 152 } | |
| 153 | |
| 154 /** The vertical ruler's text viewer */ | |
| 155 private ITextViewer fTextViewer; | |
| 156 /** The ruler's canvas */ | |
| 157 private Canvas fCanvas; | |
| 158 /** The vertical ruler's model */ | |
| 159 private IAnnotationModel fModel; | |
| 160 /** Cache for the actual scroll position in pixels */ | |
| 161 private int fScrollPos; | |
| 162 /** The buffer for double buffering */ | |
| 163 private Image fBuffer; | |
| 164 /** The line of the last mouse button activity */ | |
| 165 private int fLastMouseButtonActivityLine= -1; | |
| 166 /** The internal listener */ | |
| 159 | 167 private InternalListener fInternalListener; |
| 129 | 168 /** The width of this vertical ruler */ |
| 169 private int fWidth; | |
| 170 /** | |
| 171 * The annotation access of this vertical ruler | |
| 172 * @since 3.0 | |
| 173 */ | |
| 174 private IAnnotationAccess fAnnotationAccess; | |
| 175 | |
| 176 /** | |
| 177 * Constructs a vertical ruler with the given width. | |
| 178 * | |
| 179 * @param width the width of the vertical ruler | |
| 180 */ | |
|
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181 public this(int width) { |
| 129 | 182 this(width, null); |
| 183 } | |
| 184 | |
| 185 /** | |
| 186 * Constructs a vertical ruler with the given width and the given annotation | |
| 187 * access. | |
| 188 * | |
| 189 * @param width the width of the vertical ruler | |
| 190 * @param annotationAcccess the annotation access | |
| 191 * @since 3.0 | |
| 192 */ | |
|
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changeset
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193 public this(int width, IAnnotationAccess annotationAcccess) { |
| 159 | 194 |
| 195 fInternalListener= new InternalListener(); | |
| 196 | |
| 129 | 197 fWidth= width; |
| 198 fAnnotationAccess= annotationAcccess; | |
| 199 } | |
| 200 | |
| 201 /* | |
| 202 * @see IVerticalRuler#getControl() | |
| 203 */ | |
| 204 public Control getControl() { | |
| 205 return fCanvas; | |
| 206 } | |
| 207 | |
| 208 /* | |
| 209 * @see IVerticalRuler#createControl(Composite, ITextViewer) | |
| 210 */ | |
| 211 public Control createControl(Composite parent, ITextViewer textViewer) { | |
| 212 | |
| 213 fTextViewer= textViewer; | |
| 214 | |
| 215 fCanvas= new Canvas(parent, DWT.NO_BACKGROUND); | |
| 216 | |
| 135 | 217 fCanvas.addPaintListener(new class() PaintListener { |
| 129 | 218 public void paintControl(PaintEvent event) { |
| 219 if (fTextViewer !is null) | |
| 220 doubleBufferPaint(event.gc); | |
| 221 } | |
| 222 }); | |
| 223 | |
| 135 | 224 fCanvas.addDisposeListener(new class() DisposeListener { |
| 129 | 225 public void widgetDisposed(DisposeEvent e) { |
| 226 handleDispose(); | |
| 227 fTextViewer= null; | |
| 228 } | |
| 229 }); | |
| 230 | |
| 135 | 231 fCanvas.addMouseListener(new class() MouseListener { |
| 129 | 232 public void mouseUp(MouseEvent event) { |
| 233 } | |
| 234 | |
| 235 public void mouseDown(MouseEvent event) { | |
| 236 fLastMouseButtonActivityLine= toDocumentLineNumber(event.y); | |
| 237 } | |
| 238 | |
| 239 public void mouseDoubleClick(MouseEvent event) { | |
| 240 fLastMouseButtonActivityLine= toDocumentLineNumber(event.y); | |
| 241 } | |
| 242 }); | |
| 243 | |
| 244 if (fTextViewer !is null) { | |
| 245 fTextViewer.addViewportListener(fInternalListener); | |
| 246 fTextViewer.addTextListener(fInternalListener); | |
| 247 } | |
| 248 | |
| 249 return fCanvas; | |
| 250 } | |
| 251 | |
| 252 /** | |
| 253 * Disposes the ruler's resources. | |
| 254 */ | |
| 255 private void handleDispose() { | |
| 256 | |
| 257 if (fTextViewer !is null) { | |
| 258 fTextViewer.removeViewportListener(fInternalListener); | |
| 259 fTextViewer.removeTextListener(fInternalListener); | |
| 260 fTextViewer= null; | |
| 261 } | |
| 262 | |
| 263 if (fModel !is null) | |
| 264 fModel.removeAnnotationModelListener(fInternalListener); | |
| 265 | |
| 266 if (fBuffer !is null) { | |
| 267 fBuffer.dispose(); | |
| 268 fBuffer= null; | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 | |
| 273 /** | |
| 274 * Double buffer drawing. | |
| 275 * | |
| 276 * @param dest the GC to draw into | |
| 277 */ | |
| 278 private void doubleBufferPaint(GC dest) { | |
| 279 | |
| 280 Point size= fCanvas.getSize(); | |
| 281 | |
| 282 if (size.x <= 0 || size.y <= 0) | |
| 283 return; | |
| 284 | |
| 285 if (fBuffer !is null) { | |
| 286 Rectangle r= fBuffer.getBounds(); | |
| 287 if (r.width !is size.x || r.height !is size.y) { | |
| 288 fBuffer.dispose(); | |
| 289 fBuffer= null; | |
| 290 } | |
| 291 } | |
| 292 if (fBuffer is null) | |
| 293 fBuffer= new Image(fCanvas.getDisplay(), size.x, size.y); | |
| 294 | |
| 295 GC gc= new GC(fBuffer); | |
| 296 gc.setFont(fTextViewer.getTextWidget().getFont()); | |
| 297 try { | |
| 298 gc.setBackground(fCanvas.getBackground()); | |
| 299 gc.fillRectangle(0, 0, size.x, size.y); | |
| 300 | |
| 138 | 301 if ( cast(ITextViewerExtension5)fTextViewer ) |
| 129 | 302 doPaint1(gc); |
| 303 else | |
| 304 doPaint(gc); | |
| 305 | |
| 306 } finally { | |
| 307 gc.dispose(); | |
| 308 } | |
| 309 | |
| 310 dest.drawImage(fBuffer, 0, 0); | |
| 311 } | |
| 312 | |
| 313 /** | |
| 314 * Returns the document offset of the upper left corner of the | |
| 315 * widgets view port, possibly including partially visible lines. | |
| 316 * | |
| 317 * @return the document offset of the upper left corner including partially visible lines | |
| 318 * @since 2.0 | |
| 319 */ | |
| 320 private int getInclusiveTopIndexStartOffset() { | |
| 321 | |
| 322 StyledText textWidget= fTextViewer.getTextWidget(); | |
| 323 if (textWidget !is null && !textWidget.isDisposed()) { | |
| 324 int top= JFaceTextUtil.getPartialTopIndex(fTextViewer); | |
| 325 try { | |
| 326 IDocument document= fTextViewer.getDocument(); | |
| 327 return document.getLineOffset(top); | |
| 328 } catch (BadLocationException x) { | |
| 329 } | |
| 330 } | |
| 331 | |
| 332 return -1; | |
| 333 } | |
| 334 | |
| 335 | |
| 336 | |
| 337 /** | |
| 338 * Draws the vertical ruler w/o drawing the Canvas background. | |
| 339 * | |
| 340 * @param gc the GC to draw into | |
| 341 */ | |
| 342 protected void doPaint(GC gc) { | |
| 343 | |
| 344 if (fModel is null || fTextViewer is null) | |
| 345 return; | |
| 346 | |
| 347 IAnnotationAccessExtension annotationAccessExtension= null; | |
| 138 | 348 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) |
| 134 | 349 annotationAccessExtension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 350 |
| 351 StyledText styledText= fTextViewer.getTextWidget(); | |
| 352 IDocument doc= fTextViewer.getDocument(); | |
| 353 | |
| 354 int topLeft= getInclusiveTopIndexStartOffset(); | |
| 355 int bottomRight= fTextViewer.getBottomIndexEndOffset(); | |
| 356 int viewPort= bottomRight - topLeft; | |
| 357 | |
| 358 Point d= fCanvas.getSize(); | |
| 359 fScrollPos= styledText.getTopPixel(); | |
| 360 | |
| 361 int topLine= -1, bottomLine= -1; | |
| 362 try { | |
| 363 IRegion region= fTextViewer.getVisibleRegion(); | |
| 364 topLine= doc.getLineOfOffset(region.getOffset()); | |
| 365 bottomLine= doc.getLineOfOffset(region.getOffset() + region.getLength()); | |
| 366 } catch (BadLocationException x) { | |
| 367 return; | |
| 368 } | |
| 369 | |
| 370 // draw Annotations | |
| 371 Rectangle r= new Rectangle(0, 0, 0, 0); | |
| 372 int maxLayer= 1; // loop at least once though layers. | |
| 373 | |
| 374 for (int layer= 0; layer < maxLayer; layer++) { | |
| 375 Iterator iter= fModel.getAnnotationIterator(); | |
| 376 while (iter.hasNext()) { | |
| 377 IAnnotationPresentation annotationPresentation= null; | |
| 134 | 378 Annotation annotation= cast(Annotation) iter.next(); |
| 129 | 379 |
| 380 int lay= IAnnotationAccessExtension.DEFAULT_LAYER; | |
| 381 if (annotationAccessExtension !is null) | |
| 382 lay= annotationAccessExtension.getLayer(annotation); | |
| 138 | 383 else if ( cast(IAnnotationPresentation)annotation ) { |
| 134 | 384 annotationPresentation= cast(IAnnotationPresentation)annotation; |
| 129 | 385 lay= annotationPresentation.getLayer(); |
| 386 } | |
| 387 maxLayer= Math.max(maxLayer, lay+1); // dynamically update layer maximum | |
| 388 if (lay !is layer) // wrong layer: skip annotation | |
| 389 continue; | |
| 390 | |
| 391 Position position= fModel.getPosition(annotation); | |
| 392 if (position is null) | |
| 393 continue; | |
| 394 | |
| 395 if (!position.overlapsWith(topLeft, viewPort)) | |
| 396 continue; | |
| 397 | |
| 398 try { | |
| 399 | |
| 400 int offset= position.getOffset(); | |
| 401 int length= position.getLength(); | |
| 402 | |
| 403 int startLine= doc.getLineOfOffset(offset); | |
| 404 if (startLine < topLine) | |
| 405 startLine= topLine; | |
| 406 | |
| 407 int endLine= startLine; | |
| 408 if (length > 0) | |
| 409 endLine= doc.getLineOfOffset(offset + length - 1); | |
| 410 if (endLine > bottomLine) | |
| 411 endLine= bottomLine; | |
| 412 | |
| 413 startLine -= topLine; | |
| 414 endLine -= topLine; | |
| 415 | |
| 416 r.x= 0; | |
| 417 r.y= JFaceTextUtil.computeLineHeight(styledText, 0, startLine, startLine) - fScrollPos; | |
| 159 | 418 |
| 129 | 419 r.width= d.x; |
| 420 int lines= endLine - startLine; | |
| 159 | 421 |
| 129 | 422 r.height= JFaceTextUtil.computeLineHeight(styledText, startLine, endLine + 1, (lines+1)); |
| 423 | |
| 424 if (r.y < d.y && annotationAccessExtension !is null) // annotation within visible area | |
| 425 annotationAccessExtension.paint(annotation, gc, fCanvas, r); | |
| 426 else if (annotationPresentation !is null) | |
| 427 annotationPresentation.paint(gc, fCanvas, r); | |
| 428 | |
| 429 } catch (BadLocationException e) { | |
| 430 } | |
| 431 } | |
| 432 } | |
| 433 } | |
| 434 | |
| 435 /** | |
| 436 * Draws the vertical ruler w/o drawing the Canvas background. Uses | |
| 437 * <code>ITextViewerExtension5</code> for its implementation. Will replace | |
| 438 * <code>doPaint(GC)</code>. | |
| 439 * | |
| 440 * @param gc the GC to draw into | |
| 441 */ | |
| 442 protected void doPaint1(GC gc) { | |
| 443 | |
| 444 if (fModel is null || fTextViewer is null) | |
| 445 return; | |
| 446 | |
| 447 IAnnotationAccessExtension annotationAccessExtension= null; | |
| 138 | 448 if ( cast(IAnnotationAccessExtension)fAnnotationAccess ) |
| 134 | 449 annotationAccessExtension= cast(IAnnotationAccessExtension) fAnnotationAccess; |
| 129 | 450 |
| 134 | 451 ITextViewerExtension5 extension= cast(ITextViewerExtension5) fTextViewer; |
| 129 | 452 StyledText textWidget= fTextViewer.getTextWidget(); |
| 453 | |
| 454 fScrollPos= textWidget.getTopPixel(); | |
| 455 Point dimension= fCanvas.getSize(); | |
| 456 | |
| 457 // draw Annotations | |
| 458 Rectangle r= new Rectangle(0, 0, 0, 0); | |
| 459 int maxLayer= 1; // loop at least once through layers. | |
| 460 | |
| 461 for (int layer= 0; layer < maxLayer; layer++) { | |
| 462 Iterator iter= fModel.getAnnotationIterator(); | |
| 463 while (iter.hasNext()) { | |
| 464 IAnnotationPresentation annotationPresentation= null; | |
| 134 | 465 Annotation annotation= cast(Annotation) iter.next(); |
| 129 | 466 |
| 467 int lay= IAnnotationAccessExtension.DEFAULT_LAYER; | |
| 468 if (annotationAccessExtension !is null) | |
| 469 lay= annotationAccessExtension.getLayer(annotation); | |
| 138 | 470 else if ( cast(IAnnotationPresentation)annotation ) { |
| 134 | 471 annotationPresentation= cast(IAnnotationPresentation)annotation; |
| 129 | 472 lay= annotationPresentation.getLayer(); |
| 473 } | |
| 474 maxLayer= Math.max(maxLayer, lay+1); // dynamically update layer maximum | |
| 475 if (lay !is layer) // wrong layer: skip annotation | |
| 476 continue; | |
| 477 | |
| 478 Position position= fModel.getPosition(annotation); | |
| 479 if (position is null) | |
| 480 continue; | |
| 481 | |
| 482 IRegion widgetRegion= extension.modelRange2WidgetRange(new Region(position.getOffset(), position.getLength())); | |
| 483 if (widgetRegion is null) | |
| 484 continue; | |
| 485 | |
| 486 int startLine= extension.widgetLineOfWidgetOffset(widgetRegion.getOffset()); | |
| 487 if (startLine is -1) | |
| 488 continue; | |
| 489 | |
| 490 int endLine= extension.widgetLineOfWidgetOffset(widgetRegion.getOffset() + Math.max(widgetRegion.getLength() -1, 0)); | |
| 491 if (endLine is -1) | |
| 492 continue; | |
| 493 | |
| 494 r.x= 0; | |
| 495 r.y= JFaceTextUtil.computeLineHeight(textWidget, 0, startLine, startLine) - fScrollPos; | |
| 159 | 496 |
| 129 | 497 r.width= dimension.x; |
| 498 int lines= endLine - startLine; | |
| 159 | 499 |
| 129 | 500 r.height= JFaceTextUtil.computeLineHeight(textWidget, startLine, endLine + 1, lines+1); |
| 501 | |
| 502 if (r.y < dimension.y && annotationAccessExtension !is null) // annotation within visible area | |
| 503 annotationAccessExtension.paint(annotation, gc, fCanvas, r); | |
| 504 else if (annotationPresentation !is null) | |
| 505 annotationPresentation.paint(gc, fCanvas, r); | |
| 506 } | |
| 507 } | |
| 508 } | |
| 509 | |
| 510 /** | |
| 511 * Thread-safe implementation. | |
| 512 * Can be called from any thread. | |
| 513 */ | |
| 514 /* | |
| 515 * @see IVerticalRuler#update() | |
| 516 */ | |
| 517 public void update() { | |
| 518 if (fCanvas !is null && !fCanvas.isDisposed()) { | |
| 519 Display d= fCanvas.getDisplay(); | |
| 520 if (d !is null) { | |
| 135 | 521 d.asyncExec(new class() Runnable { |
| 129 | 522 public void run() { |
| 523 redraw(); | |
| 524 } | |
| 525 }); | |
| 526 } | |
| 527 } | |
| 528 } | |
| 529 | |
| 530 /** | |
| 531 * Redraws the vertical ruler. | |
| 532 */ | |
| 533 private void redraw() { | |
| 534 if (fCanvas !is null && !fCanvas.isDisposed()) { | |
| 535 GC gc= new GC(fCanvas); | |
| 536 doubleBufferPaint(gc); | |
| 537 gc.dispose(); | |
| 538 } | |
| 539 } | |
| 540 | |
| 541 /* | |
| 542 * @see IVerticalRuler#setModel(IAnnotationModel) | |
| 543 */ | |
| 544 public void setModel(IAnnotationModel model) { | |
| 545 if (model !is fModel) { | |
| 546 | |
| 547 if (fModel !is null) | |
| 548 fModel.removeAnnotationModelListener(fInternalListener); | |
| 549 | |
| 550 fModel= model; | |
| 551 | |
| 552 if (fModel !is null) | |
| 553 fModel.addAnnotationModelListener(fInternalListener); | |
| 554 | |
| 555 update(); | |
| 556 } | |
| 557 } | |
| 558 | |
| 559 /* | |
| 560 * @see IVerticalRuler#getModel() | |
| 561 */ | |
| 562 public IAnnotationModel getModel() { | |
| 563 return fModel; | |
| 564 } | |
| 565 | |
| 566 /* | |
| 567 * @see IVerticalRulerInfo#getWidth() | |
| 568 */ | |
| 569 public int getWidth() { | |
| 570 return fWidth; | |
| 571 } | |
| 572 | |
| 573 /* | |
| 574 * @see IVerticalRulerInfo#getLineOfLastMouseButtonActivity() | |
| 575 */ | |
| 576 public int getLineOfLastMouseButtonActivity() { | |
| 577 IDocument doc= fTextViewer.getDocument(); | |
| 578 if (doc is null || fLastMouseButtonActivityLine >= fTextViewer.getDocument().getNumberOfLines()) | |
| 579 fLastMouseButtonActivityLine= -1; | |
| 580 return fLastMouseButtonActivityLine; | |
| 581 } | |
| 582 | |
| 583 /* | |
| 584 * @see IVerticalRulerInfo#toDocumentLineNumber(int) | |
| 585 */ | |
| 586 public int toDocumentLineNumber(int y_coordinate) { | |
| 587 if (fTextViewer is null || y_coordinate is -1) | |
| 588 return -1; | |
| 589 | |
| 590 StyledText text= fTextViewer.getTextWidget(); | |
| 591 int line= text.getLineIndex(y_coordinate); | |
| 159 | 592 |
| 129 | 593 if (line is text.getLineCount() - 1) { |
| 594 // check whether y_coordinate exceeds last line | |
| 595 if (y_coordinate > text.getLinePixel(line + 1)) | |
| 596 return -1; | |
| 597 } | |
| 159 | 598 |
| 129 | 599 return widgetLine2ModelLine(fTextViewer, line); |
| 600 } | |
| 601 | |
| 602 /** | |
| 603 * Returns the line of the viewer's document that corresponds to the given widget line. | |
| 604 * | |
| 605 * @param viewer the viewer | |
| 606 * @param widgetLine the widget line | |
| 607 * @return the corresponding line of the viewer's document | |
| 608 * @since 2.1 | |
| 609 */ | |
| 610 protected final static int widgetLine2ModelLine(ITextViewer viewer, int widgetLine) { | |
| 611 | |
| 138 | 612 if ( cast(ITextViewerExtension5)viewer ) { |
| 134 | 613 ITextViewerExtension5 extension= cast(ITextViewerExtension5) viewer; |
| 129 | 614 return extension.widgetLine2ModelLine(widgetLine); |
| 615 } | |
| 616 | |
| 617 try { | |
| 618 IRegion r= viewer.getVisibleRegion(); | |
| 619 IDocument d= viewer.getDocument(); | |
| 620 return widgetLine += d.getLineOfOffset(r.getOffset()); | |
| 621 } catch (BadLocationException x) { | |
| 622 } | |
| 623 return widgetLine; | |
| 624 } | |
| 625 | |
| 626 /* | |
| 627 * @see IVerticalRulerExtension#setFont(Font) | |
| 628 * @since 2.0 | |
| 629 */ | |
| 630 public void setFont(Font font) { | |
| 631 } | |
| 632 | |
| 633 /* | |
| 634 * @see IVerticalRulerExtension#setLocationOfLastMouseButtonActivity(int, int) | |
| 635 * @since 2.0 | |
| 636 */ | |
| 637 public void setLocationOfLastMouseButtonActivity(int x, int y) { | |
| 638 fLastMouseButtonActivityLine= toDocumentLineNumber(y); | |
| 639 } | |
| 640 | |
| 641 /** | |
| 642 * Adds the given mouse listener. | |
| 643 * | |
| 644 * @param listener the listener to be added | |
| 645 * @deprecated will be removed | |
| 646 * @since 2.0 | |
| 647 */ | |
| 648 public void addMouseListener(MouseListener listener) { | |
| 649 if (fCanvas !is null && !fCanvas.isDisposed()) | |
| 650 fCanvas.addMouseListener(listener); | |
| 651 } | |
| 652 | |
| 653 /** | |
| 654 * Removes the given mouse listener. | |
| 655 * | |
| 656 * @param listener the listener to be removed | |
| 657 * @deprecated will be removed | |
| 658 * @since 2.0 | |
| 659 */ | |
| 660 public void removeMouseListener(MouseListener listener) { | |
| 661 if (fCanvas !is null && !fCanvas.isDisposed()) | |
| 662 fCanvas.removeMouseListener(listener); | |
| 663 } | |
| 664 } |