Mercurial > projects > dwt-addons
annotate dwtx/jface/text/AbstractHoverInformationControlManager.d @ 150:5cf141e43417
...
| author | Frank Benoit <benoit@tionex.de> |
|---|---|
| date | Sun, 24 Aug 2008 23:05:26 +0200 |
| parents | b411f1c62131 |
| children | a9566845f1cb |
| 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.AbstractHoverInformationControlManager; | |
| 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.IEditingSupport; // packageimport | |
| 143 import dwtx.jface.text.IMarkSelection; // packageimport | |
| 144 import dwtx.jface.text.ISlaveDocumentManager; // packageimport | |
| 145 import dwtx.jface.text.DocumentEvent; // packageimport | |
| 146 import dwtx.jface.text.DocumentPartitioningChangedEvent; // packageimport | |
| 147 import dwtx.jface.text.ITextStore; // packageimport | |
| 148 import dwtx.jface.text.JFaceTextMessages; // packageimport | |
| 149 import dwtx.jface.text.DocumentRewriteSessionEvent; // packageimport | |
| 150 import dwtx.jface.text.SequentialRewriteTextStore; // packageimport | |
| 151 import dwtx.jface.text.DocumentRewriteSessionType; // packageimport | |
| 152 import dwtx.jface.text.TextAttribute; // 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 | |
| 161 | |
| 162 import dwt.DWT; | |
| 163 import dwt.events.ControlEvent; | |
| 164 import dwt.events.ControlListener; | |
| 165 import dwt.events.KeyEvent; | |
| 166 import dwt.events.KeyListener; | |
| 167 import dwt.events.MouseEvent; | |
| 168 import dwt.events.MouseListener; | |
| 169 import dwt.events.MouseMoveListener; | |
| 170 import dwt.events.MouseTrackListener; | |
| 171 import dwt.events.SelectionEvent; | |
| 172 import dwt.events.SelectionListener; | |
| 173 import dwt.events.ShellAdapter; | |
| 174 import dwt.events.ShellEvent; | |
| 175 import dwt.graphics.Point; | |
| 176 import dwt.graphics.Rectangle; | |
| 177 import dwt.widgets.Control; | |
| 178 import dwt.widgets.Display; | |
| 179 import dwt.widgets.Event; | |
| 180 import dwt.widgets.Listener; | |
| 181 import dwt.widgets.ScrollBar; | |
| 182 import dwt.widgets.Scrollable; | |
| 183 import dwtx.core.runtime.Assert; | |
| 184 import dwtx.core.runtime.IProgressMonitor; | |
| 185 import dwtx.core.runtime.IStatus; | |
| 186 import dwtx.core.runtime.Status; | |
| 187 import dwtx.core.runtime.jobs.Job; | |
| 188 import dwtx.jface.internal.text.DelayedInputChangeListener; | |
| 189 import dwtx.jface.internal.text.InformationControlReplacer; | |
| 190 import dwtx.jface.internal.text.InternalAccessor; | |
| 191 import dwtx.jface.text.ITextViewerExtension8.EnrichMode; | |
| 192 import dwtx.jface.text.source.AnnotationBarHoverManager; | |
| 193 import dwtx.jface.util.Geometry; | |
| 194 | |
| 195 | |
| 196 /** | |
| 197 * An information control manager that shows information in response to mouse | |
| 198 * hover events. The mouse hover events are caught by registering a | |
| 199 * {@link dwt.events.MouseTrackListener} on the manager's subject | |
| 200 * control. The manager has by default an information control closer that closes | |
| 201 * the information control as soon as the mouse pointer leaves the subject area, | |
| 202 * the user presses a key, or the subject control is resized, moved, or | |
| 203 * deactivated. | |
| 204 * <p> | |
| 205 * When being activated by a mouse hover event, the manager disables itself, | |
| 206 * until the mouse leaves the subject area. Thus, the manager is usually still | |
| 207 * disabled, when the information control has already been closed by the closer. | |
| 208 * | |
| 209 * @see dwt.events.MouseTrackListener | |
| 210 * @since 2.0 | |
| 211 */ | |
| 212 abstract public class AbstractHoverInformationControlManager : AbstractInformationControlManager { | |
| 148 | 213 |
| 129 | 214 /** |
| 215 * The information control closer for the hover information. Closes the information control as | |
| 216 * soon as the mouse pointer leaves the subject area (unless "move into hover" is enabled), | |
| 217 * a mouse button is pressed, the user presses a key, or the subject control is resized, moved, or loses focus. | |
| 218 */ | |
| 219 class Closer : IInformationControlCloser, MouseListener, MouseMoveListener, ControlListener, KeyListener, SelectionListener, Listener { | |
| 148 | 220 |
| 129 | 221 /** The closer's subject control */ |
| 222 private Control fSubjectControl; | |
| 223 /** The subject area */ | |
| 224 private Rectangle fSubjectArea; | |
| 225 /** Indicates whether this closer is active */ | |
| 226 private bool fIsActive= false; | |
| 227 /** | |
| 228 * The cached display. | |
| 229 * @since 3.1 | |
| 230 */ | |
| 231 private Display fDisplay; | |
| 232 | |
| 233 | |
| 234 /** | |
| 235 * Creates a new information control closer. | |
| 236 */ | |
|
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237 public this() { |
| 129 | 238 } |
| 239 | |
| 240 /* | |
| 241 * @see IInformationControlCloser#setSubjectControl(Control) | |
| 242 */ | |
| 243 public void setSubjectControl(Control control) { | |
| 244 fSubjectControl= control; | |
| 245 } | |
| 246 | |
| 247 /* | |
| 248 * @see IInformationControlCloser#setHoverControl(IHoverControl) | |
| 249 */ | |
| 250 public void setInformationControl(IInformationControl control) { | |
| 251 // NOTE: we use getCurrentInformationControl() from the outer class | |
| 252 } | |
| 253 | |
| 254 /* | |
| 255 * @see IInformationControlCloser#start(Rectangle) | |
| 256 */ | |
| 257 public void start(Rectangle subjectArea) { | |
| 258 | |
| 259 if (fIsActive) | |
| 260 return; | |
| 261 fIsActive= true; | |
| 262 fWaitForMouseUp= false; | |
| 263 | |
| 264 fSubjectArea= subjectArea; | |
| 265 | |
| 266 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) { | |
| 267 fSubjectControl.addMouseListener(this); | |
| 268 fSubjectControl.addMouseMoveListener(this); | |
| 269 fSubjectControl.addControlListener(this); | |
| 270 fSubjectControl.addKeyListener(this); | |
| 138 | 271 if ( cast(Scrollable)fSubjectControl ) { |
| 134 | 272 Scrollable scrollable= cast(Scrollable) fSubjectControl; |
| 129 | 273 ScrollBar vBar= scrollable.getVerticalBar(); |
| 274 if (vBar !is null) | |
| 275 vBar.addSelectionListener(this); | |
| 276 ScrollBar hBar= scrollable.getHorizontalBar(); | |
| 277 if (hBar !is null) | |
| 278 hBar.addSelectionListener(this); | |
| 279 } | |
| 148 | 280 |
| 129 | 281 fDisplay= fSubjectControl.getDisplay(); |
| 282 if (!fDisplay.isDisposed()) { | |
| 283 fDisplay.addFilter(DWT.Activate, this); | |
| 284 fDisplay.addFilter(DWT.MouseWheel, this); | |
| 148 | 285 |
| 129 | 286 fDisplay.addFilter(DWT.FocusOut, this); |
| 148 | 287 |
| 129 | 288 fDisplay.addFilter(DWT.MouseDown, this); |
| 289 fDisplay.addFilter(DWT.MouseUp, this); | |
| 148 | 290 |
| 129 | 291 fDisplay.addFilter(DWT.MouseMove, this); |
| 292 fDisplay.addFilter(DWT.MouseEnter, this); | |
| 293 fDisplay.addFilter(DWT.MouseExit, this); | |
| 294 } | |
| 295 } | |
| 296 } | |
| 297 | |
| 298 /* | |
| 299 * @see IInformationControlCloser#stop() | |
| 300 */ | |
| 301 public void stop() { | |
| 302 if (!fIsActive) | |
| 303 return; | |
| 304 | |
| 305 fIsActive= false; | |
| 306 | |
| 148 | 307 if (DEBUG) |
|
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308 System.out_.println("AbstractHoverInformationControlManager.Closer stopped"); //$NON-NLS-1$ |
| 129 | 309 |
| 310 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) { | |
| 311 fSubjectControl.removeMouseListener(this); | |
| 312 fSubjectControl.removeMouseMoveListener(this); | |
| 313 fSubjectControl.removeControlListener(this); | |
| 314 fSubjectControl.removeKeyListener(this); | |
| 138 | 315 if ( cast(Scrollable)fSubjectControl ) { |
| 134 | 316 Scrollable scrollable= cast(Scrollable) fSubjectControl; |
| 129 | 317 ScrollBar vBar= scrollable.getVerticalBar(); |
| 318 if (vBar !is null) | |
| 319 vBar.removeSelectionListener(this); | |
| 320 ScrollBar hBar= scrollable.getHorizontalBar(); | |
| 321 if (hBar !is null) | |
| 322 hBar.removeSelectionListener(this); | |
| 323 } | |
| 324 } | |
| 325 | |
| 326 if (fDisplay !is null && !fDisplay.isDisposed()) { | |
| 327 fDisplay.removeFilter(DWT.Activate, this); | |
| 328 fDisplay.removeFilter(DWT.MouseWheel, this); | |
| 148 | 329 |
| 129 | 330 fDisplay.removeFilter(DWT.FocusOut, this); |
| 148 | 331 |
| 129 | 332 fDisplay.removeFilter(DWT.MouseDown, this); |
| 333 fDisplay.removeFilter(DWT.MouseUp, this); | |
| 148 | 334 |
| 129 | 335 fDisplay.removeFilter(DWT.MouseMove, this); |
| 336 fDisplay.removeFilter(DWT.MouseEnter, this); | |
| 337 fDisplay.removeFilter(DWT.MouseExit, this); | |
| 338 } | |
| 339 fDisplay= null; | |
| 340 } | |
| 341 | |
| 342 /* | |
| 343 * @see dwt.events.MouseMoveListener#mouseMove(dwt.events.MouseEvent) | |
| 344 */ | |
| 345 public void mouseMove(MouseEvent event) { | |
| 346 if (!hasInformationControlReplacer() || !canMoveIntoInformationControl(getCurrentInformationControl())) { | |
| 347 if (!fSubjectArea.contains(event.x, event.y)) { | |
| 348 hideInformationControl(); | |
| 349 } | |
| 350 | |
| 351 } else if (getCurrentInformationControl() !is null && !getCurrentInformationControl().isFocusControl()) { | |
| 352 if (!inKeepUpZone(event.x, event.y, fSubjectControl, fSubjectArea, true)) { | |
| 353 hideInformationControl(); | |
| 354 } | |
| 355 } | |
| 356 } | |
| 357 | |
| 358 /* | |
| 359 * @see dwt.events.MouseListener#mouseUp(dwt.events.MouseEvent) | |
| 360 */ | |
| 361 public void mouseUp(MouseEvent event) { | |
| 362 } | |
| 363 | |
| 364 /* | |
| 365 * @see MouseListener#mouseDown(MouseEvent) | |
| 366 */ | |
| 367 public void mouseDown(MouseEvent event) { | |
| 368 hideInformationControl(); | |
| 369 } | |
| 370 | |
| 371 /* | |
| 372 * @see MouseListener#mouseDoubleClick(MouseEvent) | |
| 373 */ | |
| 374 public void mouseDoubleClick(MouseEvent event) { | |
| 375 hideInformationControl(); | |
| 376 } | |
| 377 | |
| 378 /* | |
| 379 * @see ControlListener#controlResized(ControlEvent) | |
| 380 */ | |
| 381 public void controlResized(ControlEvent event) { | |
| 382 hideInformationControl(); | |
| 383 } | |
| 384 | |
| 385 /* | |
| 386 * @see ControlListener#controlMoved(ControlEvent) | |
| 387 */ | |
| 388 public void controlMoved(ControlEvent event) { | |
| 389 hideInformationControl(); | |
| 390 } | |
| 391 | |
| 392 /* | |
| 393 * @see KeyListener#keyReleased(KeyEvent) | |
| 394 */ | |
| 395 public void keyReleased(KeyEvent event) { | |
| 396 } | |
| 397 | |
| 398 /* | |
| 399 * @see KeyListener#keyPressed(KeyEvent) | |
| 400 */ | |
| 401 public void keyPressed(KeyEvent event) { | |
| 402 hideInformationControl(); | |
| 403 } | |
| 404 | |
| 405 /* | |
| 406 * @see dwt.events.SelectionListener#widgetSelected(dwt.events.SelectionEvent) | |
| 407 */ | |
| 408 public void widgetSelected(SelectionEvent e) { | |
| 409 hideInformationControl(); | |
| 410 } | |
| 148 | 411 |
| 129 | 412 /* |
| 413 * @see dwt.events.SelectionListener#widgetDefaultSelected(dwt.events.SelectionEvent) | |
| 414 */ | |
| 415 public void widgetDefaultSelected(SelectionEvent e) { | |
| 416 } | |
| 148 | 417 |
| 129 | 418 /* |
| 419 * @see dwt.widgets.Listener#handleEvent(dwt.widgets.Event) | |
| 420 * @since 3.1 | |
| 421 */ | |
| 422 public void handleEvent(Event event) { | |
| 423 switch (event.type) { | |
| 424 case DWT.Activate: | |
| 425 case DWT.MouseWheel: | |
| 426 if (!hasInformationControlReplacer()) | |
| 427 hideInformationControl(); | |
| 428 else if (!isReplaceInProgress()) { | |
| 429 IInformationControl infoControl= getCurrentInformationControl(); | |
| 430 // During isReplaceInProgress(), events can come from the replacing information control | |
| 149 | 431 if ( cast(Control)event.widget && cast(IInformationControlExtension5)infoControl ) { |
| 134 | 432 Control control= cast(Control) event.widget; |
| 433 IInformationControlExtension5 iControl5= cast(IInformationControlExtension5) infoControl; | |
| 129 | 434 if (!(iControl5.containsControl(control))) |
| 435 hideInformationControl(); | |
| 436 else if (event.type is DWT.MouseWheel && cancelReplacingDelay()) | |
| 437 replaceInformationControl(false); | |
| 438 } else if (infoControl !is null && infoControl.isFocusControl() && cancelReplacingDelay()) { | |
| 439 replaceInformationControl(true); | |
| 440 } | |
| 441 } | |
| 442 break; | |
| 148 | 443 |
| 129 | 444 case DWT.MouseUp: |
| 445 case DWT.MouseDown: | |
| 446 if (!hasInformationControlReplacer()) | |
| 447 hideInformationControl(); | |
| 448 else if (!isReplaceInProgress()) { | |
| 449 IInformationControl infoControl= getCurrentInformationControl(); | |
| 149 | 450 if ( cast(Control)event.widget && cast(IInformationControlExtension5)infoControl ) { |
| 134 | 451 Control control= cast(Control) event.widget; |
| 452 final IInformationControlExtension5 iControl5= cast(IInformationControlExtension5) infoControl; | |
| 129 | 453 if (!(iControl5.containsControl(control))) { |
| 454 hideInformationControl(); | |
| 455 } else if (cancelReplacingDelay()) { | |
| 456 if (event.type is DWT.MouseUp) { | |
| 457 stop(); // avoid that someone else replaces the info control before the async is exec'd | |
| 138 | 458 if ( cast(IDelayedInputChangeProvider)infoControl ) { |
| 134 | 459 final IDelayedInputChangeProvider delayedICP= cast(IDelayedInputChangeProvider) infoControl; |
| 129 | 460 final IInputChangedListener inputChangeListener= new DelayedInputChangeListener(delayedICP, getInformationControlReplacer()); |
| 461 delayedICP.setDelayedInputChangeListener(inputChangeListener); | |
| 462 // cancel automatic input updating after a small timeout: | |
| 135 | 463 control.getShell().getDisplay().timerExec(1000, new class() Runnable { |
| 129 | 464 public void run() { |
| 465 delayedICP.setDelayedInputChangeListener(null); | |
| 466 } | |
| 467 }); | |
| 468 } | |
| 148 | 469 |
| 129 | 470 // XXX: workaround for https://bugs.eclipse.org/bugs/show_bug.cgi?id=212392 : |
| 135 | 471 control.getShell().getDisplay().asyncExec(new class() Runnable { |
| 129 | 472 public void run() { |
| 473 replaceInformationControl(true); | |
| 474 } | |
| 475 }); | |
| 476 } else { | |
| 477 fWaitForMouseUp= true; | |
| 478 } | |
| 479 } | |
| 480 } else { | |
| 481 handleMouseMove(event); | |
| 482 } | |
| 483 } | |
| 484 break; | |
| 485 | |
| 486 case DWT.FocusOut: | |
| 487 IInformationControl iControl= getCurrentInformationControl(); | |
| 488 if (iControl !is null && ! iControl.isFocusControl()) | |
| 489 hideInformationControl(); | |
| 490 break; | |
| 148 | 491 |
| 129 | 492 case DWT.MouseMove: |
| 493 case DWT.MouseEnter: | |
| 494 case DWT.MouseExit: | |
| 495 handleMouseMove(event); | |
| 496 break; | |
| 497 } | |
| 498 } | |
| 499 | |
| 500 /** | |
| 501 * Handle mouse movement events. | |
| 148 | 502 * |
| 129 | 503 * @param event the event |
| 504 * @since 3.4 | |
| 505 */ | |
| 506 private void handleMouseMove(Event event) { | |
| 148 | 507 // if (DEBUG) |
|
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508 // System.out_.println("AbstractHoverInformationControl.Closer.handleMouseMove():" + event); //$NON-NLS-1$ |
| 148 | 509 |
| 149 | 510 if (!( cast(Control)event.widget )) |
| 129 | 511 return; |
| 134 | 512 Control eventControl= cast(Control) event.widget; |
| 148 | 513 |
| 129 | 514 //transform coordinates to subject control: |
| 515 Point mouseLoc= event.display.map(eventControl, fSubjectControl, event.x, event.y); | |
| 148 | 516 |
| 129 | 517 if (fSubjectArea.contains(mouseLoc)) |
| 518 return; | |
| 148 | 519 |
| 129 | 520 IInformationControl iControl= getCurrentInformationControl(); |
| 521 if (!hasInformationControlReplacer() || !canMoveIntoInformationControl(iControl)) { | |
| 149 | 522 if ( cast(AnnotationBarHoverManager)this.outer ) { |
| 129 | 523 if (getInternalAccessor().getAllowMouseExit()) |
| 524 return; | |
| 525 } | |
| 526 hideInformationControl(); | |
| 527 return; | |
| 528 } | |
| 148 | 529 |
| 134 | 530 IInformationControlExtension3 iControl3= cast(IInformationControlExtension3) iControl; |
| 129 | 531 Rectangle controlBounds= iControl3.getBounds(); |
| 532 if (controlBounds !is null) { | |
| 533 Rectangle tooltipBounds= event.display.map(null, eventControl, controlBounds); | |
| 534 if (tooltipBounds.contains(event.x, event.y)) { | |
| 535 if (!isReplaceInProgress() && event.type !is DWT.MouseExit) | |
| 536 startReplaceInformationControl(event.display); | |
| 537 return; | |
| 538 } | |
| 539 cancelReplacingDelay(); | |
| 540 } | |
| 541 | |
| 542 if (!fSubjectControl.getBounds().contains(mouseLoc)) { | |
| 543 /* | |
| 544 * Use inKeepUpZone() to make sure it also works when the hover is | |
| 545 * completely outside of the subject control. | |
| 546 */ | |
| 547 if (!inKeepUpZone(mouseLoc.x, mouseLoc.y, fSubjectControl, fSubjectArea, true)) { | |
| 548 hideInformationControl(); | |
| 549 return; | |
| 550 } | |
| 551 } | |
| 552 } | |
| 553 } | |
| 554 | |
| 555 /** | |
| 556 * To be installed on the manager's subject control. Serves two different purposes: | |
| 557 * <ul> | |
| 558 * <li> start function: initiates the computation of the information to be presented. This happens on | |
| 559 * receipt of a mouse hover event and disables the information control manager, | |
| 560 * <li> restart function: tracks mouse move and shell activation event to determine when the information | |
| 561 * control manager needs to be reactivated. | |
| 562 * </ul> | |
| 563 */ | |
| 564 class MouseTracker : ShellAdapter , MouseTrackListener, MouseMoveListener { | |
| 565 | |
| 566 /** Margin around the original hover event location for computing the hover area. */ | |
| 146 | 567 private const static int EPSILON= 3; |
| 129 | 568 |
| 569 /** The area in which the original hover event occurred. */ | |
| 570 private Rectangle fHoverArea; | |
| 571 /** The area for which is computed information is valid. */ | |
| 572 private Rectangle fSubjectArea; | |
| 573 /** The tracker's subject control. */ | |
| 574 private Control fSubjectControl; | |
| 575 | |
| 576 /** Indicates whether the tracker is in restart mode ignoring hover events. */ | |
| 577 private bool fIsInRestartMode= false; | |
| 578 /** Indicates whether the tracker is computing the information to be presented. */ | |
| 579 private bool fIsComputing= false; | |
| 580 /** Indicates whether the mouse has been lost. */ | |
| 581 private bool fMouseLostWhileComputing= false; | |
| 582 /** Indicates whether the subject control's shell has been deactivated. */ | |
| 583 private bool fShellDeactivatedWhileComputing= false; | |
| 584 | |
| 585 /** | |
| 586 * Creates a new mouse tracker. | |
| 587 */ | |
|
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588 public this() { |
| 129 | 589 } |
| 590 | |
| 591 /** | |
| 592 * Sets this mouse tracker's subject area, the area to be tracked in order | |
| 593 * to re-enable the information control manager. | |
| 594 * | |
| 595 * @param subjectArea the subject area | |
| 596 */ | |
| 597 public void setSubjectArea(Rectangle subjectArea) { | |
| 598 Assert.isNotNull(subjectArea); | |
| 599 fSubjectArea= subjectArea; | |
| 600 } | |
| 601 | |
| 602 /** | |
| 603 * Starts this mouse tracker. The given control becomes this tracker's subject control. | |
| 604 * Installs itself as mouse track listener on the subject control. | |
| 605 * | |
| 606 * @param subjectControl the subject control | |
| 607 */ | |
| 608 public void start(Control subjectControl) { | |
| 609 fSubjectControl= subjectControl; | |
| 610 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) | |
| 611 fSubjectControl.addMouseTrackListener(this); | |
| 612 | |
| 613 fIsInRestartMode= false; | |
| 614 fIsComputing= false; | |
| 615 fMouseLostWhileComputing= false; | |
| 616 fShellDeactivatedWhileComputing= false; | |
| 617 } | |
| 618 | |
| 619 /** | |
| 620 * Stops this mouse tracker. Removes itself as mouse track, mouse move, and | |
| 621 * shell listener from the subject control. | |
| 622 */ | |
| 623 public void stop() { | |
| 624 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) { | |
| 625 fSubjectControl.removeMouseTrackListener(this); | |
| 626 fSubjectControl.removeMouseMoveListener(this); | |
| 627 fSubjectControl.getShell().removeShellListener(this); | |
| 628 } | |
| 629 } | |
| 630 | |
| 631 /** | |
| 632 * Initiates the computation of the information to be presented. Sets the initial hover area | |
| 633 * to a small rectangle around the hover event location. Adds mouse move and shell activation listeners | |
| 634 * to track whether the computed information is, after completion, useful for presentation and to | |
| 635 * implement the restart function. | |
| 636 * | |
| 637 * @param event the mouse hover event | |
| 638 */ | |
| 639 public void mouseHover(MouseEvent event) { | |
| 640 if (fIsComputing || fIsInRestartMode || | |
| 641 (fSubjectControl !is null && !fSubjectControl.isDisposed() && fSubjectControl.getShell() !is fSubjectControl.getShell().getDisplay().getActiveShell())) { | |
| 148 | 642 if (DEBUG) |
|
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643 System.out_.println("AbstractHoverInformationControlManager...mouseHover: @ " + event.x + "/" + event.y + " : hover cancelled: fIsComputing= " + fIsComputing + ", fIsInRestartMode= " + fIsInRestartMode); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$ //$NON-NLS-4$ |
| 129 | 644 return; |
| 645 } | |
| 148 | 646 |
| 129 | 647 fIsInRestartMode= true; |
| 648 fIsComputing= true; | |
| 649 fMouseLostWhileComputing= false; | |
| 650 fShellDeactivatedWhileComputing= false; | |
| 651 | |
| 652 fHoverEventStateMask= event.stateMask; | |
| 653 fHoverEvent= event; | |
| 654 fHoverArea= new Rectangle(event.x - EPSILON, event.y - EPSILON, 2 * EPSILON, 2 * EPSILON ); | |
| 655 if (fHoverArea.x < 0) | |
| 656 fHoverArea.x= 0; | |
| 657 if (fHoverArea.y < 0) | |
| 658 fHoverArea.y= 0; | |
| 659 setSubjectArea(fHoverArea); | |
| 660 | |
| 661 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) { | |
| 662 fSubjectControl.addMouseMoveListener(this); | |
| 663 fSubjectControl.getShell().addShellListener(this); | |
| 664 } | |
| 665 doShowInformation(); | |
| 666 } | |
| 667 | |
| 668 /** | |
| 669 * Deactivates this tracker's restart function and enables the information control | |
| 670 * manager. Does not have any effect if the tracker is still executing the start function (i.e. | |
| 671 * computing the information to be presented. | |
| 672 */ | |
| 673 protected void deactivate() { | |
| 674 if (fIsComputing) | |
| 675 return; | |
| 148 | 676 |
| 129 | 677 fIsInRestartMode= false; |
| 678 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) { | |
| 679 fSubjectControl.removeMouseMoveListener(this); | |
| 680 fSubjectControl.getShell().removeShellListener(this); | |
| 681 } | |
| 682 } | |
| 683 | |
| 684 /* | |
| 685 * @see MouseTrackListener#mouseEnter(MouseEvent) | |
| 686 */ | |
| 687 public void mouseEnter(MouseEvent e) { | |
| 688 } | |
| 689 | |
| 690 /* | |
| 691 * @see MouseTrackListener#mouseExit(MouseEvent) | |
| 692 */ | |
| 693 public void mouseExit(MouseEvent e) { | |
| 694 if (!hasInformationControlReplacer() || !canMoveIntoInformationControl(getCurrentInformationControl()) || !inKeepUpZone(e.x, e.y, fSubjectControl, fSubjectArea, false)) { | |
| 695 fMouseLostWhileComputing= true; | |
| 696 deactivate(); | |
| 697 } | |
| 698 } | |
| 699 | |
| 700 /* | |
| 701 * @see MouseMoveListener#mouseMove(MouseEvent) | |
| 702 */ | |
| 703 public void mouseMove(MouseEvent event) { | |
| 704 if (!hasInformationControlReplacer() || !canMoveIntoInformationControl(getCurrentInformationControl())) { | |
| 705 if (!fSubjectArea.contains(event.x, event.y)) | |
| 706 deactivate(); | |
| 707 } else { | |
| 708 if (!inKeepUpZone(event.x, event.y, fSubjectControl, fSubjectArea, false)) | |
| 709 deactivate(); | |
| 710 } | |
| 711 } | |
| 712 | |
| 713 /* | |
| 714 * @see ShellListener#shellDeactivated(ShellEvent) | |
| 715 */ | |
| 716 public void shellDeactivated(ShellEvent e) { | |
| 717 fShellDeactivatedWhileComputing= true; | |
| 718 deactivate(); | |
| 719 } | |
| 720 | |
| 721 /* | |
| 722 * @see ShellListener#shellIconified(ShellEvent) | |
| 723 */ | |
| 724 public void shellIconified(ShellEvent e) { | |
| 725 fShellDeactivatedWhileComputing= true; | |
| 726 deactivate(); | |
| 727 } | |
| 728 | |
| 729 /** | |
| 730 * Tells this tracker that the start function processing has been completed. | |
| 731 */ | |
| 732 public void computationCompleted() { | |
| 733 fIsComputing= false; | |
| 734 fMouseLostWhileComputing= false; | |
| 735 fShellDeactivatedWhileComputing= false; | |
| 736 } | |
| 737 | |
| 738 /** | |
| 739 * Determines whether the computed information is still useful for presentation. | |
| 740 * This is not the case, if the shell of the subject control has been deactivated, the mouse | |
| 741 * left the subject control, or the mouse moved on, so that it is no longer in the subject | |
| 742 * area. | |
| 743 * | |
| 744 * @return <code>true</code> if information is still useful for presentation, <code>false</code> otherwise | |
| 745 */ | |
| 746 public bool isMouseLost() { | |
| 747 | |
| 748 if (fMouseLostWhileComputing || fShellDeactivatedWhileComputing) | |
| 749 return true; | |
| 750 | |
| 751 if (fSubjectControl !is null && !fSubjectControl.isDisposed()) { | |
| 752 Display display= fSubjectControl.getDisplay(); | |
| 753 Point p= display.getCursorLocation(); | |
| 754 p= fSubjectControl.toControl(p); | |
| 755 if (!fSubjectArea.contains(p) && !fHoverArea.contains(p)) | |
| 756 return true; | |
| 757 } | |
| 758 | |
| 759 return false; | |
| 760 } | |
| 761 } | |
| 762 | |
| 763 /** | |
| 764 * The delay in {@link ITextViewerExtension8.EnrichMode#AFTER_DELAY} mode after which | |
| 765 * the hover is enriched when the mouse has stopped moving inside the hover. | |
| 766 * @since 3.4 | |
| 767 */ | |
| 147 | 768 private static const long HOVER_AUTO_REPLACING_DELAY= 200; |
| 129 | 769 |
| 770 /** The mouse tracker on the subject control */ | |
| 771 private MouseTracker fMouseTracker= new MouseTracker(); | |
| 772 /** | |
| 773 * The remembered hover event. | |
| 774 * @since 3.0 | |
| 775 */ | |
| 776 private MouseEvent fHoverEvent= null; | |
| 777 /** The remembered hover event state mask of the keyboard modifiers */ | |
| 778 private int fHoverEventStateMask= 0; | |
| 779 /** | |
| 780 * The thread that delays replacing of the hover information control. | |
| 781 * To be accessed in the UI thread only! | |
| 148 | 782 * |
| 129 | 783 * @since 3.4 |
| 784 */ | |
| 785 private Job fReplacingDelayJob; | |
| 148 | 786 |
| 129 | 787 /** |
| 788 * The {@link ITextViewerExtension8.EnrichMode}, may be <code>null</code>. | |
| 789 * @since 3.4 | |
| 790 */ | |
| 791 private EnrichMode fEnrichMode; | |
| 148 | 792 |
| 129 | 793 /** |
| 794 * Indicates whether we have received a MouseDown event and are waiting for a MouseUp | |
| 795 * (and don't replace the information control until that happened). | |
| 796 * @since 3.4 | |
| 797 */ | |
| 798 private bool fWaitForMouseUp= false; | |
| 148 | 799 |
| 129 | 800 /** |
| 801 * Creates a new hover information control manager using the given information control creator. | |
| 802 * By default a <code>Closer</code> instance is set as this manager's closer. | |
| 803 * | |
| 804 * @param creator the information control creator | |
| 805 */ | |
|
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806 protected this(IInformationControlCreator creator) { |
| 129 | 807 super(creator); |
| 808 setCloser(new Closer()); | |
| 809 setHoverEnrichMode(ITextViewerExtension8.EnrichMode.AFTER_DELAY); | |
| 810 } | |
| 811 | |
| 812 /** | |
| 813 * Tests whether a given mouse location is within the keep-up zone. | |
| 814 * The hover should not be hidden as long as the mouse stays inside this zone. | |
| 148 | 815 * |
| 129 | 816 * @param x the x coordinate, relative to the <em>subject control</em> |
| 817 * @param y the y coordinate, relative to the <em>subject control</em> | |
| 818 * @param subjectControl the subject control | |
| 819 * @param subjectArea the area for which the presented information is valid | |
| 820 * @param blowUp If <code>true</code>, then calculate for the closer, i.e. blow up the keepUp area. | |
| 821 * If <code>false</code>, then use tight bounds for hover detection. | |
| 148 | 822 * |
| 129 | 823 * @return <code>true</code> iff the mouse event occurred in the keep-up zone |
| 824 * @since 3.4 | |
| 825 */ | |
| 826 private bool inKeepUpZone(int x, int y, Control subjectControl, Rectangle subjectArea, bool blowUp) { | |
| 827 if (subjectArea.contains(x, y)) | |
| 828 return true; | |
| 148 | 829 |
| 129 | 830 IInformationControl iControl= getCurrentInformationControl(); |
| 142 | 831 if (( cast(IInformationControlExtension5)iControl && !(cast(IInformationControlExtension5) iControl).isVisible())) { |
| 129 | 832 iControl= null; |
| 833 if (getInformationControlReplacer() !is null) { | |
| 834 iControl= getInformationControlReplacer().getCurrentInformationControl2(); | |
| 142 | 835 if (( cast(IInformationControlExtension5)iControl && !(cast(IInformationControlExtension5) iControl).isVisible())) { |
| 129 | 836 return false; |
| 837 } | |
| 838 } | |
| 839 } | |
| 138 | 840 if ( cast(IInformationControlExtension3)iControl ) { |
| 134 | 841 IInformationControlExtension3 iControl3= cast(IInformationControlExtension3) iControl; |
| 148 | 842 |
| 129 | 843 Rectangle iControlBounds= subjectControl.getDisplay().map(null, subjectControl, iControl3.getBounds()); |
| 844 Rectangle totalBounds= Geometry.copy(iControlBounds); | |
| 845 if (blowUp && isReplaceInProgress()) { | |
| 846 //Problem: blown up iControl overlaps rest of subjectArea's line | |
| 847 // solution for now: only blow up for keep up (closer), but not for further hover detection | |
| 848 int margin= getInformationControlReplacer().getKeepUpMargin(); | |
| 849 Geometry.expand(totalBounds, margin, margin, margin, margin); | |
| 850 } | |
| 148 | 851 |
| 129 | 852 if (!blowUp) { |
| 853 if (iControlBounds.contains(x, y)) | |
| 854 return true; | |
| 148 | 855 |
| 129 | 856 if (subjectArea.y + subjectArea.height < iControlBounds.y) { |
| 857 // special case for hover events: subjectArea totally above iControl: | |
| 858 // +-----------+ | |
| 859 // |subjectArea| | |
| 860 // +-----------+ | |
| 861 // |also keepUp| | |
| 862 // ++-----------+-------+ | |
| 863 // | InformationControl | | |
| 864 // +--------------------+ | |
| 865 if (subjectArea.y + subjectArea.height <= y && y <= totalBounds.y) { | |
| 866 // is vertically between subject area and iControl | |
| 867 if (subjectArea.x <= x && x <= subjectArea.x + subjectArea.width) { | |
| 868 // is below subject area (in a vertical projection) | |
| 869 return true; | |
| 870 } | |
| 871 // FIXME: cases when subjectArea extends to left or right of iControl? | |
| 872 } | |
| 873 return false; | |
| 148 | 874 |
| 129 | 875 } else if (iControlBounds.x + iControlBounds.width < subjectArea.x) { |
| 876 // special case for hover events (e.g. in overview ruler): iControl totally left of subjectArea | |
| 877 // +--------------------+-----------+ | |
| 878 // | | +-----------+ | |
| 879 // | InformationControl |also keepUp|subjectArea| | |
| 880 // | | +-----------+ | |
| 881 // +--------------------+-----------+ | |
| 882 if (iControlBounds.x + iControlBounds.width <= x && x <= subjectArea.x) { | |
| 883 // is horizontally between iControl and subject area | |
| 884 if (iControlBounds.y <= y && y <= iControlBounds.y + iControlBounds.height) { | |
| 885 // is to the right of iControl (in a horizontal projection) | |
| 886 return true; | |
| 887 } | |
| 888 } | |
| 889 return false; | |
| 148 | 890 |
| 129 | 891 } else if (subjectArea.x + subjectArea.width < iControlBounds.x) { |
| 892 // special case for hover events (e.g. in annotation ruler): subjectArea totally left of iControl | |
| 893 // +-----------+--------------------+ | |
| 894 // +-----------+ | | | |
| 895 // |subjectArea|also keepUp| InformationControl | | |
| 896 // +-----------+ | | | |
| 897 // +-----------+--------------------+ | |
| 898 if (subjectArea.x + subjectArea.width <= x && x <= iControlBounds.x) { | |
| 899 // is horizontally between subject area and iControl | |
| 900 if (iControlBounds.y <= y && y <= iControlBounds.y + iControlBounds.height) { | |
| 901 // is to the left of iControl (in a horizontal projection) | |
| 902 return true; | |
| 903 } | |
| 904 } | |
| 905 return false; | |
| 906 } | |
| 907 } | |
| 148 | 908 |
| 129 | 909 // FIXME: should maybe use convex hull, not bounding box |
| 910 totalBounds.add(subjectArea); | |
| 911 if (totalBounds.contains(x, y)) | |
| 912 return true; | |
| 913 } | |
| 914 return false; | |
| 915 } | |
| 148 | 916 |
| 129 | 917 /** |
| 918 * Tests whether the given information control allows the mouse to be moved | |
| 919 * into it. | |
| 148 | 920 * |
| 129 | 921 * @param iControl information control or <code>null</code> if none |
| 922 * @return <code>true</code> if information control allows mouse move into | |
| 923 * control, <code>false</code> otherwise | |
| 924 */ | |
| 925 bool canMoveIntoInformationControl(IInformationControl iControl) { | |
| 926 return fEnrichMode !is null && canReplace(iControl); | |
| 927 } | |
| 148 | 928 |
| 129 | 929 /* |
| 930 * @see dwtx.jface.text.AbstractInformationControlManager#hideInformationControl() | |
| 931 */ | |
| 932 protected void hideInformationControl() { | |
| 933 cancelReplacingDelay(); | |
| 934 super.hideInformationControl(); | |
| 935 } | |
| 936 | |
| 937 /** | |
| 938 * Sets the hover enrich mode. Only applicable when an information | |
| 939 * control replacer has been set with | |
| 940 * {@link #setInformationControlReplacer(InformationControlReplacer)} . | |
| 148 | 941 * |
| 129 | 942 * @param mode the enrich mode |
| 943 * @since 3.4 | |
| 944 * @see ITextViewerExtension8#setHoverEnrichMode(dwtx.jface.text.ITextViewerExtension8.EnrichMode) | |
| 945 */ | |
| 946 void setHoverEnrichMode(EnrichMode mode) { | |
| 947 fEnrichMode= mode; | |
| 948 } | |
| 148 | 949 |
| 129 | 950 /* |
| 951 * @see dwtx.jface.text.AbstractInformationControlManager#replaceInformationControl(bool) | |
| 952 */ | |
| 953 void replaceInformationControl(bool takeFocus) { | |
| 954 fWaitForMouseUp= false; | |
| 955 super.replaceInformationControl(takeFocus); | |
| 956 } | |
| 148 | 957 |
| 129 | 958 /** |
| 959 * Cancels the replacing delay job. | |
| 960 * @return <code>true</code> iff canceling was successful, <code>false</code> if replacing has already started | |
| 961 */ | |
| 962 bool cancelReplacingDelay() { | |
| 963 fWaitForMouseUp= false; | |
| 964 if (fReplacingDelayJob !is null && fReplacingDelayJob.getState() !is Job.RUNNING) { | |
| 965 bool cancelled= fReplacingDelayJob.cancel(); | |
| 966 fReplacingDelayJob= null; | |
| 148 | 967 // if (DEBUG) |
|
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968 // System.out_.println("AbstractHoverInformationControlManager.cancelReplacingDelay(): cancelled=" + cancelled); //$NON-NLS-1$ |
| 129 | 969 return cancelled; |
| 970 } | |
| 148 | 971 // if (DEBUG) |
|
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parents:
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diff
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972 // System.out_.println("AbstractHoverInformationControlManager.cancelReplacingDelay(): not delayed"); //$NON-NLS-1$ |
| 129 | 973 return true; |
| 974 } | |
| 148 | 975 |
| 129 | 976 /** |
| 977 * Starts replacing the information control, considering the current | |
| 978 * {@link ITextViewerExtension8.EnrichMode}. | |
| 979 * If set to {@link ITextViewerExtension8.EnrichMode#AFTER_DELAY}, this | |
| 980 * method cancels previous requests and restarts the delay timer. | |
| 148 | 981 * |
| 129 | 982 * @param display the display to be used for the call to |
| 983 * {@link #replaceInformationControl(bool)} in the UI thread | |
| 984 */ | |
| 985 private void startReplaceInformationControl(final Display display) { | |
| 986 if (fEnrichMode is EnrichMode.ON_CLICK) | |
| 987 return; | |
| 148 | 988 |
| 129 | 989 if (fReplacingDelayJob !is null) { |
| 990 if (fReplacingDelayJob.getState() !is Job.RUNNING) { | |
| 991 if (fReplacingDelayJob.cancel()) { | |
| 992 if (fEnrichMode is EnrichMode.IMMEDIATELY) { | |
| 993 fReplacingDelayJob= null; | |
| 994 if (! fWaitForMouseUp) | |
| 995 replaceInformationControl(false); | |
| 996 } else { | |
| 148 | 997 // if (DEBUG) |
|
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998 // System.out_.println("AbstractHoverInformationControlManager.startReplaceInformationControl(): rescheduled"); //$NON-NLS-1$ |
| 129 | 999 fReplacingDelayJob.schedule(HOVER_AUTO_REPLACING_DELAY); |
| 1000 } | |
| 1001 } | |
| 1002 } | |
| 1003 return; | |
| 1004 } | |
| 148 | 1005 |
| 150 | 1006 fReplacingDelayJob= new class("AbstractHoverInformationControlManager Replace Delayer") Job { //$NON-NLS-1$ |
| 1007 this( String str ){ | |
| 1008 super(str); | |
| 1009 } | |
| 1010 public IStatus run(IProgressMonitor monitor) { | |
| 129 | 1011 if (monitor.isCanceled() || display.isDisposed()) { |
| 1012 return Status.CANCEL_STATUS; | |
| 1013 } | |
| 150 | 1014 display.syncExec(dgRunnable( (IProgressMonitor monitor_) { |
| 1015 fReplacingDelayJob= null; | |
| 1016 if (monitor_.isCanceled()) | |
| 1017 return; | |
| 1018 if (! fWaitForMouseUp) | |
| 1019 replaceInformationControl(false); | |
| 1020 }, monitor )); | |
| 129 | 1021 return Status.OK_STATUS; |
| 1022 } | |
| 1023 }; | |
| 1024 fReplacingDelayJob.setSystem(true); | |
| 1025 fReplacingDelayJob.setPriority(Job.INTERACTIVE); | |
| 148 | 1026 // if (DEBUG) |
|
140
26688fec6d23
Following dsss compile errors
Frank Benoit <benoit@tionex.de>
parents:
138
diff
changeset
|
1027 // System.out_.println("AbstractHoverInformationControlManager.startReplaceInformationControl(): scheduled"); //$NON-NLS-1$ |
| 129 | 1028 fReplacingDelayJob.schedule(HOVER_AUTO_REPLACING_DELAY); |
| 1029 } | |
| 1030 | |
| 1031 /* | |
| 1032 * @see dwtx.jface.text.AbstractInformationControlManager#presentInformation() | |
| 1033 */ | |
| 1034 protected void presentInformation() { | |
| 1035 if (fMouseTracker is null) { | |
| 1036 super.presentInformation(); | |
| 1037 return; | |
| 1038 } | |
| 1039 | |
| 1040 Rectangle area= getSubjectArea(); | |
| 1041 if (area !is null) | |
| 1042 fMouseTracker.setSubjectArea(area); | |
| 1043 | |
| 1044 if (fMouseTracker.isMouseLost()) { | |
| 1045 fMouseTracker.computationCompleted(); | |
| 1046 fMouseTracker.deactivate(); | |
| 1047 } else { | |
| 1048 fMouseTracker.computationCompleted(); | |
| 1049 super.presentInformation(); | |
| 1050 } | |
| 1051 } | |
| 1052 | |
| 1053 /** | |
| 1054 * {@inheritDoc} | |
| 1055 * @deprecated visibility will be changed to protected | |
| 1056 */ | |
| 1057 public void setEnabled(bool enabled) { | |
| 1058 | |
| 1059 bool was= isEnabled(); | |
| 1060 super.setEnabled(enabled); | |
| 150 | 1061 bool is_= isEnabled(); |
| 129 | 1062 |
| 150 | 1063 if (was !is is_ && fMouseTracker !is null) { |
| 1064 if (is_) | |
| 129 | 1065 fMouseTracker.start(getSubjectControl()); |
| 1066 else | |
| 1067 fMouseTracker.stop(); | |
| 1068 } | |
| 1069 } | |
| 1070 | |
| 1071 /** | |
| 1072 * Disposes this manager's information control. | |
| 1073 */ | |
| 1074 public void dispose() { | |
| 1075 if (fMouseTracker !is null) { | |
| 1076 fMouseTracker.stop(); | |
| 1077 fMouseTracker.fSubjectControl= null; | |
| 1078 fMouseTracker= null; | |
| 1079 } | |
| 1080 super.dispose(); | |
| 1081 } | |
| 1082 | |
| 1083 /** | |
| 1084 * Returns the location at which the most recent mouse hover event | |
| 1085 * has been issued. | |
| 1086 * | |
| 1087 * @return the location of the most recent mouse hover event | |
| 1088 */ | |
| 1089 protected Point getHoverEventLocation() { | |
| 1090 return fHoverEvent !is null ? new Point(fHoverEvent.x, fHoverEvent.y) : new Point(-1, -1); | |
| 1091 } | |
| 1092 | |
| 1093 /** | |
| 1094 * Returns the most recent mouse hover event. | |
| 1095 * | |
| 1096 * @return the most recent mouse hover event or <code>null</code> | |
| 1097 * @since 3.0 | |
| 1098 */ | |
| 1099 protected MouseEvent getHoverEvent() { | |
| 1100 return fHoverEvent; | |
| 1101 } | |
| 1102 | |
| 1103 /** | |
| 1104 * Returns the DWT event state of the most recent mouse hover event. | |
| 1105 * | |
| 1106 * @return the DWT event state of the most recent mouse hover event | |
| 1107 */ | |
| 1108 protected int getHoverEventStateMask() { | |
| 1109 return fHoverEventStateMask; | |
| 1110 } | |
| 148 | 1111 |
| 129 | 1112 /** |
| 1113 * Returns an adapter that gives access to internal methods. | |
| 1114 * <p> | |
| 1115 * <strong>Note:</strong> This method is not intended to be referenced or overridden by clients.</p> | |
| 148 | 1116 * |
| 129 | 1117 * @return the replaceable information control accessor |
| 1118 * @since 3.4 | |
| 1119 * @noreference This method is not intended to be referenced by clients. | |
| 1120 * @nooverride This method is not intended to be re-implemented or extended by clients. | |
| 1121 */ | |
| 1122 public InternalAccessor getInternalAccessor() { | |
| 135 | 1123 return new class() MyInternalAccessor { |
| 129 | 1124 public void setHoverEnrichMode(EnrichMode mode) { |
| 137 | 1125 this.outer.setHoverEnrichMode(mode); |
| 129 | 1126 } |
| 1127 }; | |
| 1128 } | |
| 1129 | |
| 1130 } |