| 1 | /******************************************************************************* |
| 2 | * Copyright (c) 2009, 2015 Ericsson |
| 3 | * |
| 4 | * All rights reserved. This program and the accompanying materials are |
| 5 | * made available under the terms of the Eclipse Public License v1.0 which |
| 6 | * accompanies this distribution, and is available at |
| 7 | * http://www.eclipse.org/legal/epl-v10.html |
| 8 | * |
| 9 | * Contributors: |
| 10 | * William Bourque - Initial API and implementation |
| 11 | * Yuriy Vashchuk - GUI reorganisation, simplification and some related code improvements. |
| 12 | * Yuriy Vashchuk - Histograms optimisation. |
| 13 | * Yuriy Vashchuk - Histogram Canvas Heritage correction |
| 14 | * Francois Chouinard - Cleanup and refactoring |
| 15 | * Francois Chouinard - Moved from LTTng to TMF |
| 16 | * Patrick Tasse - Update for mouse wheel zoom |
| 17 | * Xavier Raynaud - Support multi-trace coloring |
| 18 | *******************************************************************************/ |
| 19 | |
| 20 | package org.eclipse.tracecompass.tmf.ui.views.histogram; |
| 21 | |
| 22 | import java.util.Collection; |
| 23 | |
| 24 | import org.eclipse.jdt.annotation.NonNull; |
| 25 | import org.eclipse.jface.action.Action; |
| 26 | import org.eclipse.jface.action.IAction; |
| 27 | import org.eclipse.jface.action.Separator; |
| 28 | import org.eclipse.swt.SWT; |
| 29 | import org.eclipse.swt.custom.CLabel; |
| 30 | import org.eclipse.swt.custom.SashForm; |
| 31 | import org.eclipse.swt.custom.ScrolledComposite; |
| 32 | import org.eclipse.swt.events.MouseAdapter; |
| 33 | import org.eclipse.swt.events.MouseEvent; |
| 34 | import org.eclipse.swt.events.MouseWheelListener; |
| 35 | import org.eclipse.swt.events.PaintEvent; |
| 36 | import org.eclipse.swt.events.PaintListener; |
| 37 | import org.eclipse.swt.graphics.GC; |
| 38 | import org.eclipse.swt.graphics.Image; |
| 39 | import org.eclipse.swt.graphics.Point; |
| 40 | import org.eclipse.swt.graphics.Rectangle; |
| 41 | import org.eclipse.swt.layout.GridData; |
| 42 | import org.eclipse.swt.layout.GridLayout; |
| 43 | import org.eclipse.swt.layout.RowLayout; |
| 44 | import org.eclipse.swt.widgets.Composite; |
| 45 | import org.eclipse.swt.widgets.Control; |
| 46 | import org.eclipse.swt.widgets.Display; |
| 47 | import org.eclipse.swt.widgets.Event; |
| 48 | import org.eclipse.swt.widgets.Label; |
| 49 | import org.eclipse.swt.widgets.Listener; |
| 50 | import org.eclipse.swt.widgets.Sash; |
| 51 | import org.eclipse.tracecompass.internal.tmf.ui.Activator; |
| 52 | import org.eclipse.tracecompass.internal.tmf.ui.ITmfImageConstants; |
| 53 | import org.eclipse.tracecompass.tmf.core.request.ITmfEventRequest; |
| 54 | import org.eclipse.tracecompass.tmf.core.request.ITmfEventRequest.ExecutionType; |
| 55 | import org.eclipse.tracecompass.tmf.core.signal.TmfSelectionRangeUpdatedSignal; |
| 56 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalHandler; |
| 57 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalManager; |
| 58 | import org.eclipse.tracecompass.tmf.core.signal.TmfSignalThrottler; |
| 59 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceClosedSignal; |
| 60 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceOpenedSignal; |
| 61 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceRangeUpdatedSignal; |
| 62 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceSelectedSignal; |
| 63 | import org.eclipse.tracecompass.tmf.core.signal.TmfTraceUpdatedSignal; |
| 64 | import org.eclipse.tracecompass.tmf.core.signal.TmfWindowRangeUpdatedSignal; |
| 65 | import org.eclipse.tracecompass.tmf.core.timestamp.ITmfTimestamp; |
| 66 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimeRange; |
| 67 | import org.eclipse.tracecompass.tmf.core.timestamp.TmfTimestamp; |
| 68 | import org.eclipse.tracecompass.tmf.core.trace.ITmfTrace; |
| 69 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceContext; |
| 70 | import org.eclipse.tracecompass.tmf.core.trace.TmfTraceManager; |
| 71 | import org.eclipse.tracecompass.tmf.ui.signal.TmfTimeViewAlignmentInfo; |
| 72 | import org.eclipse.tracecompass.tmf.ui.signal.TmfTimeViewAlignmentSignal; |
| 73 | import org.eclipse.tracecompass.tmf.ui.views.ITmfTimeAligned; |
| 74 | import org.eclipse.tracecompass.tmf.ui.views.TmfView; |
| 75 | import org.eclipse.ui.IActionBars; |
| 76 | |
| 77 | /** |
| 78 | * The purpose of this view is to provide graphical time distribution statistics about the trace events. |
| 79 | * <p> |
| 80 | * The view is composed of two histograms and two controls: |
| 81 | * <ul> |
| 82 | * <li>an event distribution histogram for the whole trace; |
| 83 | * <li>an event distribution histogram for current time window (window span); |
| 84 | * <li>the timestamp of the currently selected event; |
| 85 | * <li>the window span (size of the time window of the smaller histogram). |
| 86 | * </ul> |
| 87 | * The histograms x-axis show their respective time range. |
| 88 | * |
| 89 | * @version 2.0 |
| 90 | * @author Francois Chouinard |
| 91 | */ |
| 92 | public class HistogramView extends TmfView implements ITmfTimeAligned { |
| 93 | |
| 94 | // ------------------------------------------------------------------------ |
| 95 | // Constants |
| 96 | // ------------------------------------------------------------------------ |
| 97 | |
| 98 | /** |
| 99 | * The view ID as defined in plugin.xml |
| 100 | */ |
| 101 | public static final @NonNull String ID = "org.eclipse.linuxtools.tmf.ui.views.histogram"; //$NON-NLS-1$ |
| 102 | |
| 103 | private static final Image LINK_IMG = Activator.getDefault().getImageFromPath(ITmfImageConstants.IMG_UI_LINK); |
| 104 | |
| 105 | private static final int[] DEFAULT_WEIGHTS = {1, 3}; |
| 106 | |
| 107 | // ------------------------------------------------------------------------ |
| 108 | // Attributes |
| 109 | // ------------------------------------------------------------------------ |
| 110 | |
| 111 | // The current trace |
| 112 | private ITmfTrace fTrace; |
| 113 | |
| 114 | // Current timestamp/time window - everything in the TIME_SCALE |
| 115 | private long fTraceStartTime; |
| 116 | private long fTraceEndTime; |
| 117 | private long fWindowStartTime; |
| 118 | private long fWindowEndTime; |
| 119 | private long fWindowSpan; |
| 120 | private long fSelectionBeginTime; |
| 121 | private long fSelectionEndTime; |
| 122 | |
| 123 | // SashForm |
| 124 | private SashForm fSashForm; |
| 125 | private ScrolledComposite fScrollComposite; |
| 126 | private Composite fTimeControlsComposite; |
| 127 | private Composite fTimeRangeComposite; |
| 128 | private Listener fSashDragListener; |
| 129 | |
| 130 | // Time controls |
| 131 | private HistogramTextControl fSelectionStartControl; |
| 132 | private HistogramTextControl fSelectionEndControl; |
| 133 | private HistogramTextControl fTimeSpanControl; |
| 134 | |
| 135 | // Link |
| 136 | private Label fLinkButton; |
| 137 | private boolean fLinkState; |
| 138 | |
| 139 | // Histogram/request for the full trace range |
| 140 | private static FullTraceHistogram fFullTraceHistogram; |
| 141 | private HistogramRequest fFullTraceRequest; |
| 142 | |
| 143 | // Histogram/request for the selected time range |
| 144 | private static TimeRangeHistogram fTimeRangeHistogram; |
| 145 | private HistogramRequest fTimeRangeRequest; |
| 146 | |
| 147 | // Legend area |
| 148 | private Composite fLegendArea; |
| 149 | private Image[] fLegendImages; |
| 150 | |
| 151 | // Throttlers for the time sync and time-range sync signals |
| 152 | private final TmfSignalThrottler fTimeSyncThrottle; |
| 153 | private final TmfSignalThrottler fTimeRangeSyncThrottle; |
| 154 | |
| 155 | // Action for toggle showing the lost events |
| 156 | private Action hideLostEventsAction; |
| 157 | // Action for toggle showing the traces |
| 158 | private Action showTraceAction; |
| 159 | |
| 160 | // ------------------------------------------------------------------------ |
| 161 | // Constructor |
| 162 | // ------------------------------------------------------------------------ |
| 163 | |
| 164 | /** |
| 165 | * Default constructor |
| 166 | */ |
| 167 | public HistogramView() { |
| 168 | super(ID); |
| 169 | fTimeSyncThrottle = new TmfSignalThrottler(this, 200); |
| 170 | fTimeRangeSyncThrottle = new TmfSignalThrottler(this, 200); |
| 171 | } |
| 172 | |
| 173 | @Override |
| 174 | public void dispose() { |
| 175 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
| 176 | fTimeRangeRequest.cancel(); |
| 177 | } |
| 178 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
| 179 | fFullTraceRequest.cancel(); |
| 180 | } |
| 181 | fFullTraceHistogram.dispose(); |
| 182 | fTimeRangeHistogram.dispose(); |
| 183 | fSelectionStartControl.dispose(); |
| 184 | fSelectionEndControl.dispose(); |
| 185 | fTimeSpanControl.dispose(); |
| 186 | disposeLegendImages(); |
| 187 | |
| 188 | super.dispose(); |
| 189 | } |
| 190 | |
| 191 | private void disposeLegendImages() { |
| 192 | if (fLegendImages != null) { |
| 193 | for (Image i: fLegendImages) { |
| 194 | i.dispose(); |
| 195 | } |
| 196 | } |
| 197 | fLegendImages = null; |
| 198 | } |
| 199 | |
| 200 | // ------------------------------------------------------------------------ |
| 201 | // TmfView |
| 202 | // ------------------------------------------------------------------------ |
| 203 | |
| 204 | @Override |
| 205 | public void createPartControl(Composite parent) { |
| 206 | super.createPartControl(parent); |
| 207 | |
| 208 | // Control labels |
| 209 | final String selectionStartLabel = Messages.HistogramView_selectionStartLabel; |
| 210 | final String selectionEndLabel = Messages.HistogramView_selectionEndLabel; |
| 211 | final String windowSpanLabel = Messages.HistogramView_windowSpanLabel; |
| 212 | |
| 213 | // -------------------------------------------------------------------- |
| 214 | // Set the HistogramView layout |
| 215 | // -------------------------------------------------------------------- |
| 216 | Composite viewComposite = new Composite(getParentComposite(), SWT.FILL); |
| 217 | GridLayout gridLayout = new GridLayout(1, false); |
| 218 | gridLayout.verticalSpacing = 0; |
| 219 | gridLayout.marginHeight = 0; |
| 220 | gridLayout.marginWidth = 0; |
| 221 | viewComposite.setLayout(gridLayout); |
| 222 | |
| 223 | // -------------------------------------------------------------------- |
| 224 | // Add a sash for time controls and time range histogram |
| 225 | // -------------------------------------------------------------------- |
| 226 | |
| 227 | /* |
| 228 | * The ScrolledComposite preferred size can be larger than its visible |
| 229 | * width. This affects the preferred width of the SashForm. Set the |
| 230 | * preferred width to 1 to prevent it from affecting the preferred width |
| 231 | * of the view composite. |
| 232 | */ |
| 233 | fSashForm = new SashForm(viewComposite, SWT.NONE) { |
| 234 | @Override |
| 235 | public Point computeSize(int wHint, int hHint) { |
| 236 | Point computedSize = super.computeSize(wHint, hHint); |
| 237 | if (wHint == SWT.DEFAULT) { |
| 238 | return new Point(1, computedSize.y); |
| 239 | } |
| 240 | return computedSize; |
| 241 | } |
| 242 | @Override |
| 243 | public Point computeSize(int wHint, int hHint, boolean changed) { |
| 244 | Point computedSize = super.computeSize(wHint, hHint, changed); |
| 245 | if (wHint == SWT.DEFAULT) { |
| 246 | return new Point(1, computedSize.y); |
| 247 | } |
| 248 | return computedSize; |
| 249 | } |
| 250 | }; |
| 251 | GridData gridData = new GridData(GridData.FILL, GridData.FILL, false, true); |
| 252 | fSashForm.setLayoutData(gridData); |
| 253 | |
| 254 | // -------------------------------------------------------------------- |
| 255 | // Time controls |
| 256 | // -------------------------------------------------------------------- |
| 257 | fScrollComposite = new PackedScrolledComposite(fSashForm, SWT.H_SCROLL | SWT.V_SCROLL); |
| 258 | fTimeControlsComposite = new Composite(fScrollComposite, SWT.NONE); |
| 259 | fScrollComposite.setContent(fTimeControlsComposite); |
| 260 | gridLayout = new GridLayout(1, false); |
| 261 | gridLayout.marginHeight = 0; |
| 262 | gridLayout.marginWidth = 0; |
| 263 | fScrollComposite.setLayout(gridLayout); |
| 264 | fScrollComposite.setExpandHorizontal(true); |
| 265 | fScrollComposite.setExpandVertical(true); |
| 266 | |
| 267 | gridLayout = new GridLayout(1, false); |
| 268 | gridLayout.marginHeight = 0; |
| 269 | gridLayout.marginWidth = 0; |
| 270 | fTimeControlsComposite.setLayout(gridLayout); |
| 271 | gridData = new GridData(GridData.FILL, GridData.CENTER, false, true); |
| 272 | fTimeControlsComposite.setLayoutData(gridData); |
| 273 | |
| 274 | Composite innerComp = new Composite(fTimeControlsComposite, SWT.NONE); |
| 275 | |
| 276 | gridLayout = new GridLayout(2, false); |
| 277 | innerComp.setLayout(gridLayout); |
| 278 | gridLayout.marginHeight = 0; |
| 279 | gridLayout.marginWidth = 0; |
| 280 | gridLayout.horizontalSpacing = 5; |
| 281 | gridLayout.verticalSpacing = 1; |
| 282 | gridData = new GridData(GridData.FILL, GridData.CENTER, false, true); |
| 283 | innerComp.setLayoutData(gridData); |
| 284 | |
| 285 | Composite selectionGroup = new Composite(innerComp, SWT.BORDER); |
| 286 | gridLayout = new GridLayout(1, false); |
| 287 | gridLayout.marginHeight = 0; |
| 288 | gridLayout.marginWidth = 0; |
| 289 | selectionGroup.setLayout(gridLayout); |
| 290 | gridData = new GridData(GridData.BEGINNING, GridData.CENTER, false, false); |
| 291 | selectionGroup.setLayoutData(gridData); |
| 292 | |
| 293 | // Selection start control |
| 294 | gridData = new GridData(GridData.FILL, GridData.CENTER, false, false); |
| 295 | fSelectionStartControl = new HistogramSelectionStartControl(this, selectionGroup, selectionStartLabel, 0L); |
| 296 | fSelectionStartControl.setLayoutData(gridData); |
| 297 | fSelectionStartControl.setValue(Long.MIN_VALUE); |
| 298 | |
| 299 | // Selection end control |
| 300 | gridData = new GridData(GridData.FILL, GridData.CENTER, false, false); |
| 301 | fSelectionEndControl = new HistogramSelectionEndControl(this, selectionGroup, selectionEndLabel, 0L); |
| 302 | fSelectionEndControl.setLayoutData(gridData); |
| 303 | fSelectionEndControl.setValue(Long.MIN_VALUE); |
| 304 | |
| 305 | // Link button |
| 306 | gridData = new GridData(GridData.BEGINNING, GridData.CENTER, false, false); |
| 307 | fLinkButton = new Label(innerComp, SWT.NONE); |
| 308 | fLinkButton.setImage(LINK_IMG); |
| 309 | fLinkButton.setLayoutData(gridData); |
| 310 | addLinkButtonListeners(); |
| 311 | |
| 312 | // Window span time control |
| 313 | gridData = new GridData(GridData.FILL, GridData.CENTER, false, false); |
| 314 | fTimeSpanControl = new HistogramTimeRangeControl(this, innerComp, windowSpanLabel, 0L); |
| 315 | fTimeSpanControl.setLayoutData(gridData); |
| 316 | fTimeSpanControl.setValue(Long.MIN_VALUE); |
| 317 | |
| 318 | // -------------------------------------------------------------------- |
| 319 | // Time range histogram |
| 320 | // -------------------------------------------------------------------- |
| 321 | fTimeRangeComposite = new Composite(fSashForm, SWT.NONE); |
| 322 | gridLayout = new GridLayout(1, true); |
| 323 | gridLayout.marginTop = 0; |
| 324 | gridLayout.marginWidth = 0; |
| 325 | fTimeRangeComposite.setLayout(gridLayout); |
| 326 | |
| 327 | // Use remaining horizontal space |
| 328 | gridData = new GridData(GridData.FILL, GridData.FILL, true, true); |
| 329 | fTimeRangeComposite.setLayoutData(gridData); |
| 330 | |
| 331 | // Histogram |
| 332 | fTimeRangeHistogram = new TimeRangeHistogram(this, fTimeRangeComposite, true); |
| 333 | |
| 334 | // -------------------------------------------------------------------- |
| 335 | // Full range histogram |
| 336 | // -------------------------------------------------------------------- |
| 337 | final Composite fullRangeComposite = new Composite(viewComposite, SWT.FILL); |
| 338 | gridLayout = new GridLayout(1, true); |
| 339 | fullRangeComposite.setLayout(gridLayout); |
| 340 | |
| 341 | // Use remaining horizontal space |
| 342 | gridData = new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1); |
| 343 | fullRangeComposite.setLayoutData(gridData); |
| 344 | |
| 345 | // Histogram |
| 346 | fFullTraceHistogram = new FullTraceHistogram(this, fullRangeComposite); |
| 347 | |
| 348 | fLegendArea = new Composite(viewComposite, SWT.FILL); |
| 349 | fLegendArea.setLayoutData(new GridData(SWT.BEGINNING, SWT.BEGINNING, true, false, 2, 1)); |
| 350 | fLegendArea.setLayout(new RowLayout()); |
| 351 | |
| 352 | // Add mouse wheel listener to time span control |
| 353 | MouseWheelListener listener = fFullTraceHistogram.getZoom(); |
| 354 | fTimeSpanControl.addMouseWheelListener(listener); |
| 355 | |
| 356 | // View Action Handling |
| 357 | contributeToActionBars(); |
| 358 | |
| 359 | ITmfTrace trace = TmfTraceManager.getInstance().getActiveTrace(); |
| 360 | if (trace != null) { |
| 361 | traceSelected(new TmfTraceSelectedSignal(this, trace)); |
| 362 | } |
| 363 | |
| 364 | fSashForm.setVisible(true); |
| 365 | fSashForm.setWeights(DEFAULT_WEIGHTS); |
| 366 | |
| 367 | fTimeControlsComposite.addPaintListener(new PaintListener() { |
| 368 | @Override |
| 369 | public void paintControl(PaintEvent e) { |
| 370 | // Sashes in a SashForm are being created on layout so add the |
| 371 | // drag listener here |
| 372 | if (fSashDragListener == null) { |
| 373 | for (Control control : fSashForm.getChildren()) { |
| 374 | if (control instanceof Sash) { |
| 375 | fSashDragListener = new Listener() { |
| 376 | @Override |
| 377 | public void handleEvent(Event event) { |
| 378 | TmfSignalManager.dispatchSignal(new TmfTimeViewAlignmentSignal(fSashForm, getTimeViewAlignmentInfo())); |
| 379 | } |
| 380 | }; |
| 381 | control.removePaintListener(this); |
| 382 | control.addListener(SWT.Selection, fSashDragListener); |
| 383 | // There should be only one sash |
| 384 | break; |
| 385 | } |
| 386 | } |
| 387 | } |
| 388 | } |
| 389 | }); |
| 390 | } |
| 391 | |
| 392 | @Override |
| 393 | public void setFocus() { |
| 394 | fFullTraceHistogram.fCanvas.setFocus(); |
| 395 | } |
| 396 | |
| 397 | void refresh() { |
| 398 | getParentComposite().layout(true); |
| 399 | } |
| 400 | |
| 401 | /** |
| 402 | * @since 1.0 |
| 403 | */ |
| 404 | @Override |
| 405 | public TmfTimeViewAlignmentInfo getTimeViewAlignmentInfo() { |
| 406 | if (fSashForm == null) { |
| 407 | return null; |
| 408 | } |
| 409 | return new TmfTimeViewAlignmentInfo(fSashForm.getShell(), fSashForm.toDisplay(0, 0), getTimeAxisOffset()); |
| 410 | } |
| 411 | |
| 412 | private int getTimeAxisOffset() { |
| 413 | return fScrollComposite.getSize().x + fSashForm.getSashWidth() + fTimeRangeHistogram.getPointAreaOffset(); |
| 414 | } |
| 415 | |
| 416 | /** |
| 417 | * @since 1.0 |
| 418 | */ |
| 419 | @Override |
| 420 | public int getAvailableWidth(int requestedOffset) { |
| 421 | int pointAreaWidth = fTimeRangeHistogram.getPointAreaWidth(); |
| 422 | int curTimeAxisOffset = getTimeAxisOffset(); |
| 423 | if (pointAreaWidth <= 0) { |
| 424 | pointAreaWidth = fSashForm.getBounds().width - curTimeAxisOffset; |
| 425 | } |
| 426 | int endOffset = curTimeAxisOffset + pointAreaWidth; |
| 427 | GridLayout layout = (GridLayout) fTimeRangeComposite.getLayout(); |
| 428 | int endOffsetWithoutMargin = endOffset + layout.marginRight; |
| 429 | int availableWidth = endOffsetWithoutMargin - requestedOffset; |
| 430 | availableWidth = Math.min(fSashForm.getBounds().width, Math.max(0, availableWidth)); |
| 431 | |
| 432 | return availableWidth; |
| 433 | } |
| 434 | |
| 435 | /** |
| 436 | * @since 1.0 |
| 437 | */ |
| 438 | @Override |
| 439 | public void performAlign(int offset, int width) { |
| 440 | int total = fSashForm.getBounds().width; |
| 441 | int plotAreaOffset = fTimeRangeHistogram.getPointAreaOffset(); |
| 442 | int width1 = Math.max(0, offset - plotAreaOffset - fSashForm.getSashWidth()); |
| 443 | int width2 = Math.max(0, total - width1 - fSashForm.getSashWidth()); |
| 444 | if (width1 >= 0 && width2 > 0 || width1 > 0 && width2 >= 0) { |
| 445 | fSashForm.setWeights(new int[] { width1, width2 }); |
| 446 | fSashForm.layout(); |
| 447 | } |
| 448 | |
| 449 | // calculate right margin |
| 450 | GridLayout layout = (GridLayout) fTimeRangeComposite.getLayout(); |
| 451 | int timeBasedControlsWidth = fTimeRangeComposite.getSize().x; |
| 452 | int marginSize = timeBasedControlsWidth - width - plotAreaOffset; |
| 453 | layout.marginRight = Math.max(0, marginSize); |
| 454 | fTimeRangeComposite.layout(); |
| 455 | } |
| 456 | |
| 457 | // ------------------------------------------------------------------------ |
| 458 | // Accessors |
| 459 | // ------------------------------------------------------------------------ |
| 460 | |
| 461 | /** |
| 462 | * Returns the current trace handled by the view |
| 463 | * |
| 464 | * @return the current trace |
| 465 | */ |
| 466 | public ITmfTrace getTrace() { |
| 467 | return fTrace; |
| 468 | } |
| 469 | |
| 470 | /** |
| 471 | * Returns the time range of the current selected window (base on default time scale). |
| 472 | * |
| 473 | * @return the time range of current selected window. |
| 474 | */ |
| 475 | public TmfTimeRange getTimeRange() { |
| 476 | return new TmfTimeRange( |
| 477 | new TmfTimestamp(fWindowStartTime, ITmfTimestamp.NANOSECOND_SCALE), |
| 478 | new TmfTimestamp(fWindowEndTime, ITmfTimestamp.NANOSECOND_SCALE)); |
| 479 | } |
| 480 | |
| 481 | /** |
| 482 | * get the show lost events action |
| 483 | * |
| 484 | * @return The action object |
| 485 | */ |
| 486 | public Action getShowLostEventsAction() { |
| 487 | if (hideLostEventsAction == null) { |
| 488 | /* show lost events */ |
| 489 | hideLostEventsAction = new Action(Messages.HistogramView_hideLostEvents, IAction.AS_CHECK_BOX) { |
| 490 | @Override |
| 491 | public void run() { |
| 492 | HistogramScaledData.hideLostEvents = hideLostEventsAction.isChecked(); |
| 493 | long maxNbEvents = HistogramScaledData.hideLostEvents ? fFullTraceHistogram.fScaledData.fMaxValue : fFullTraceHistogram.fScaledData.fMaxCombinedValue; |
| 494 | fFullTraceHistogram.setMaxNbEvents(maxNbEvents); |
| 495 | maxNbEvents = HistogramScaledData.hideLostEvents ? fTimeRangeHistogram.fScaledData.fMaxValue : fTimeRangeHistogram.fScaledData.fMaxCombinedValue; |
| 496 | fTimeRangeHistogram.setMaxNbEvents(maxNbEvents); |
| 497 | } |
| 498 | }; |
| 499 | hideLostEventsAction.setText(Messages.HistogramView_hideLostEvents); |
| 500 | hideLostEventsAction.setToolTipText(Messages.HistogramView_hideLostEvents); |
| 501 | hideLostEventsAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_SHOW_LOST_EVENTS)); |
| 502 | } |
| 503 | return hideLostEventsAction; |
| 504 | } |
| 505 | |
| 506 | /** |
| 507 | * get the show trace action |
| 508 | * |
| 509 | * @return The action object |
| 510 | */ |
| 511 | public Action getShowTraceAction() { |
| 512 | if (showTraceAction == null) { |
| 513 | /* show lost events */ |
| 514 | showTraceAction = new Action(Messages.HistogramView_showTraces, IAction.AS_CHECK_BOX) { |
| 515 | @Override |
| 516 | public void run() { |
| 517 | Histogram.showTraces = showTraceAction.isChecked(); |
| 518 | fFullTraceHistogram.fCanvas.redraw(); |
| 519 | fTimeRangeHistogram.fCanvas.redraw(); |
| 520 | updateLegendArea(); |
| 521 | } |
| 522 | }; |
| 523 | showTraceAction.setChecked(true); |
| 524 | showTraceAction.setText(Messages.HistogramView_showTraces); |
| 525 | showTraceAction.setToolTipText(Messages.HistogramView_showTraces); |
| 526 | showTraceAction.setImageDescriptor(Activator.getDefault().getImageDescripterFromPath(ITmfImageConstants.IMG_UI_SHOW_HIST_TRACES)); |
| 527 | } |
| 528 | return showTraceAction; |
| 529 | } |
| 530 | |
| 531 | // ------------------------------------------------------------------------ |
| 532 | // Operations |
| 533 | // ------------------------------------------------------------------------ |
| 534 | |
| 535 | /** |
| 536 | * Broadcast TmfSignal about new current selection time range. |
| 537 | * @param beginTime the begin time of current selection. |
| 538 | * @param endTime the end time of current selection. |
| 539 | */ |
| 540 | void updateSelectionTime(long beginTime, long endTime) { |
| 541 | updateDisplayedSelectionTime(beginTime, endTime); |
| 542 | TmfTimestamp beginTs = new TmfTimestamp(beginTime, ITmfTimestamp.NANOSECOND_SCALE); |
| 543 | TmfTimestamp endTs = new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE); |
| 544 | TmfSelectionRangeUpdatedSignal signal = new TmfSelectionRangeUpdatedSignal(this, beginTs, endTs); |
| 545 | fTimeSyncThrottle.queue(signal); |
| 546 | } |
| 547 | |
| 548 | /** |
| 549 | * Get selection begin time |
| 550 | * @return the begin time of current selection |
| 551 | */ |
| 552 | long getSelectionBegin() { |
| 553 | return fSelectionBeginTime; |
| 554 | } |
| 555 | |
| 556 | /** |
| 557 | * Get selection end time |
| 558 | * @return the end time of current selection |
| 559 | */ |
| 560 | long getSelectionEnd() { |
| 561 | return fSelectionEndTime; |
| 562 | } |
| 563 | |
| 564 | /** |
| 565 | * Get the link state |
| 566 | * @return true if begin and end selection time should be linked |
| 567 | */ |
| 568 | boolean getLinkState() { |
| 569 | return fLinkState; |
| 570 | } |
| 571 | |
| 572 | /** |
| 573 | * Broadcast TmfSignal about new selection time range. |
| 574 | * @param startTime the new start time |
| 575 | * @param endTime the new end time |
| 576 | */ |
| 577 | void updateTimeRange(long startTime, long endTime) { |
| 578 | if (fTrace != null) { |
| 579 | // Build the new time range; keep the current time |
| 580 | TmfTimeRange timeRange = new TmfTimeRange( |
| 581 | new TmfTimestamp(startTime, ITmfTimestamp.NANOSECOND_SCALE), |
| 582 | new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE)); |
| 583 | fTimeSpanControl.setValue(endTime - startTime); |
| 584 | |
| 585 | updateDisplayedTimeRange(startTime, endTime); |
| 586 | |
| 587 | // Send the FW signal |
| 588 | TmfWindowRangeUpdatedSignal signal = new TmfWindowRangeUpdatedSignal(this, timeRange); |
| 589 | fTimeRangeSyncThrottle.queue(signal); |
| 590 | } |
| 591 | } |
| 592 | |
| 593 | /** |
| 594 | * Broadcast TmfSignal about new selected time range. |
| 595 | * @param newDuration new duration (relative to current start time) |
| 596 | */ |
| 597 | public synchronized void updateTimeRange(long newDuration) { |
| 598 | if (fTrace != null) { |
| 599 | long delta = newDuration - fWindowSpan; |
| 600 | long newStartTime = fWindowStartTime - (delta / 2); |
| 601 | setNewRange(newStartTime, newDuration); |
| 602 | } |
| 603 | } |
| 604 | |
| 605 | private void setNewRange(long startTime, long duration) { |
| 606 | long realStart = startTime; |
| 607 | |
| 608 | if (realStart < fTraceStartTime) { |
| 609 | realStart = fTraceStartTime; |
| 610 | } |
| 611 | |
| 612 | long endTime = realStart + duration; |
| 613 | if (endTime > fTraceEndTime) { |
| 614 | endTime = fTraceEndTime; |
| 615 | if ((endTime - duration) > fTraceStartTime) { |
| 616 | realStart = endTime - duration; |
| 617 | } else { |
| 618 | realStart = fTraceStartTime; |
| 619 | } |
| 620 | } |
| 621 | updateTimeRange(realStart, endTime); |
| 622 | } |
| 623 | |
| 624 | // ------------------------------------------------------------------------ |
| 625 | // Signal handlers |
| 626 | // ------------------------------------------------------------------------ |
| 627 | |
| 628 | /** |
| 629 | * Handles trace opened signal. Loads histogram if new trace time range is not |
| 630 | * equal <code>TmfTimeRange.NULL_RANGE</code> |
| 631 | * @param signal the trace opened signal |
| 632 | */ |
| 633 | @TmfSignalHandler |
| 634 | public void traceOpened(TmfTraceOpenedSignal signal) { |
| 635 | assert (signal != null); |
| 636 | fTrace = signal.getTrace(); |
| 637 | loadTrace(); |
| 638 | } |
| 639 | |
| 640 | /** |
| 641 | * Handles trace selected signal. Loads histogram if new trace time range is not |
| 642 | * equal <code>TmfTimeRange.NULL_RANGE</code> |
| 643 | * @param signal the trace selected signal |
| 644 | */ |
| 645 | @TmfSignalHandler |
| 646 | public void traceSelected(TmfTraceSelectedSignal signal) { |
| 647 | assert (signal != null); |
| 648 | if (fTrace != signal.getTrace()) { |
| 649 | fTrace = signal.getTrace(); |
| 650 | loadTrace(); |
| 651 | } |
| 652 | } |
| 653 | |
| 654 | private void loadTrace() { |
| 655 | initializeHistograms(); |
| 656 | getParentComposite().redraw(); |
| 657 | } |
| 658 | |
| 659 | /** |
| 660 | * Handles trace closed signal. Clears the view and data model and cancels requests. |
| 661 | * @param signal the trace closed signal |
| 662 | */ |
| 663 | @TmfSignalHandler |
| 664 | public void traceClosed(TmfTraceClosedSignal signal) { |
| 665 | |
| 666 | if (signal.getTrace() != fTrace) { |
| 667 | return; |
| 668 | } |
| 669 | |
| 670 | // Kill any running request |
| 671 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
| 672 | fTimeRangeRequest.cancel(); |
| 673 | } |
| 674 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
| 675 | fFullTraceRequest.cancel(); |
| 676 | } |
| 677 | |
| 678 | // Initialize the internal data |
| 679 | fTrace = null; |
| 680 | fTraceStartTime = 0L; |
| 681 | fTraceEndTime = 0L; |
| 682 | fWindowStartTime = 0L; |
| 683 | fWindowEndTime = 0L; |
| 684 | fWindowSpan = 0L; |
| 685 | fSelectionBeginTime = 0L; |
| 686 | fSelectionEndTime = 0L; |
| 687 | |
| 688 | // Clear the UI widgets |
| 689 | fFullTraceHistogram.clear(); |
| 690 | fTimeRangeHistogram.clear(); |
| 691 | fSelectionStartControl.setValue(Long.MIN_VALUE); |
| 692 | fSelectionEndControl.setValue(Long.MIN_VALUE); |
| 693 | |
| 694 | fTimeSpanControl.setValue(Long.MIN_VALUE); |
| 695 | |
| 696 | for (Control c: fLegendArea.getChildren()) { |
| 697 | c.dispose(); |
| 698 | } |
| 699 | disposeLegendImages(); |
| 700 | fLegendArea.layout(); |
| 701 | fLegendArea.getParent().layout(); |
| 702 | } |
| 703 | |
| 704 | /** |
| 705 | * Handles trace range updated signal. Extends histogram according to the new time range. If a |
| 706 | * HistogramRequest is already ongoing, it will be cancelled and a new request with the new range |
| 707 | * will be issued. |
| 708 | * |
| 709 | * @param signal the trace range updated signal |
| 710 | */ |
| 711 | @TmfSignalHandler |
| 712 | public void traceRangeUpdated(TmfTraceRangeUpdatedSignal signal) { |
| 713 | |
| 714 | if (signal.getTrace() != fTrace) { |
| 715 | return; |
| 716 | } |
| 717 | |
| 718 | TmfTimeRange fullRange = signal.getRange(); |
| 719 | |
| 720 | fTraceStartTime = fullRange.getStartTime().toNanos(); |
| 721 | fTraceEndTime = fullRange.getEndTime().toNanos(); |
| 722 | |
| 723 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 724 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 725 | |
| 726 | sendFullRangeRequest(fullRange); |
| 727 | } |
| 728 | |
| 729 | /** |
| 730 | * Handles the trace updated signal. Used to update time limits (start and end time) |
| 731 | * @param signal the trace updated signal |
| 732 | */ |
| 733 | @TmfSignalHandler |
| 734 | public void traceUpdated(TmfTraceUpdatedSignal signal) { |
| 735 | if (signal.getTrace() != fTrace) { |
| 736 | return; |
| 737 | } |
| 738 | TmfTimeRange fullRange = signal.getTrace().getTimeRange(); |
| 739 | fTraceStartTime = fullRange.getStartTime().toNanos(); |
| 740 | fTraceEndTime = fullRange.getEndTime().toNanos(); |
| 741 | |
| 742 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 743 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 744 | |
| 745 | if ((fFullTraceRequest != null) && fFullTraceRequest.getRange().getEndTime().compareTo(signal.getRange().getEndTime()) < 0) { |
| 746 | sendFullRangeRequest(fullRange); |
| 747 | } |
| 748 | } |
| 749 | |
| 750 | /** |
| 751 | * Handles the selection range updated signal. Sets the current time |
| 752 | * selection in the time range histogram as well as the full histogram. |
| 753 | * |
| 754 | * @param signal |
| 755 | * the signal to process |
| 756 | * @since 1.0 |
| 757 | */ |
| 758 | @TmfSignalHandler |
| 759 | public void selectionRangeUpdated(final TmfSelectionRangeUpdatedSignal signal) { |
| 760 | if (Display.getCurrent() == null) { |
| 761 | // Make sure the signal is handled in the UI thread |
| 762 | Display.getDefault().asyncExec(new Runnable() { |
| 763 | @Override |
| 764 | public void run() { |
| 765 | if (getParentComposite().isDisposed()) { |
| 766 | return; |
| 767 | } |
| 768 | selectionRangeUpdated(signal); |
| 769 | } |
| 770 | }); |
| 771 | return; |
| 772 | } |
| 773 | |
| 774 | // Update the selected time range |
| 775 | long beginTime = signal.getBeginTime().toNanos(); |
| 776 | long endTime = signal.getEndTime().toNanos(); |
| 777 | |
| 778 | updateDisplayedSelectionTime(beginTime, endTime); |
| 779 | } |
| 780 | |
| 781 | /** |
| 782 | * Updates the current window time range in the time range histogram and |
| 783 | * full range histogram. |
| 784 | * |
| 785 | * @param signal |
| 786 | * the signal to process |
| 787 | * @since 1.0 |
| 788 | */ |
| 789 | @TmfSignalHandler |
| 790 | public void windowRangeUpdated(final TmfWindowRangeUpdatedSignal signal) { |
| 791 | if (Display.getCurrent() == null) { |
| 792 | // Make sure the signal is handled in the UI thread |
| 793 | Display.getDefault().asyncExec(new Runnable() { |
| 794 | @Override |
| 795 | public void run() { |
| 796 | if (getParentComposite().isDisposed()) { |
| 797 | return; |
| 798 | } |
| 799 | windowRangeUpdated(signal); |
| 800 | } |
| 801 | }); |
| 802 | return; |
| 803 | } |
| 804 | |
| 805 | if (fTrace != null) { |
| 806 | // Validate the time range |
| 807 | TmfTimeRange range = signal.getCurrentRange().getIntersection(fTrace.getTimeRange()); |
| 808 | if (range == null) { |
| 809 | return; |
| 810 | } |
| 811 | |
| 812 | updateDisplayedTimeRange( |
| 813 | range.getStartTime().toNanos(), |
| 814 | range.getEndTime().toNanos()); |
| 815 | |
| 816 | // Send the event request to populate the small histogram |
| 817 | sendTimeRangeRequest(fWindowStartTime, fWindowEndTime); |
| 818 | |
| 819 | fTimeSpanControl.setValue(fWindowSpan); |
| 820 | } |
| 821 | } |
| 822 | |
| 823 | // ------------------------------------------------------------------------ |
| 824 | // Helper functions |
| 825 | // ------------------------------------------------------------------------ |
| 826 | |
| 827 | private void initializeHistograms() { |
| 828 | TmfTimeRange fullRange = updateTraceTimeRange(); |
| 829 | |
| 830 | TmfTraceContext ctx = TmfTraceManager.getInstance().getCurrentTraceContext(); |
| 831 | long selectionBeginTime = ctx.getSelectionRange().getStartTime().toNanos(); |
| 832 | long selectionEndTime = ctx.getSelectionRange().getEndTime().toNanos(); |
| 833 | long startTime = ctx.getWindowRange().getStartTime().toNanos(); |
| 834 | long duration = ctx.getWindowRange().getEndTime().toNanos() - startTime; |
| 835 | |
| 836 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
| 837 | fTimeRangeRequest.cancel(); |
| 838 | } |
| 839 | fTimeRangeHistogram.clear(); |
| 840 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 841 | fTimeRangeHistogram.setTimeRange(startTime, duration); |
| 842 | fTimeRangeHistogram.setSelection(selectionBeginTime, selectionEndTime); |
| 843 | fTimeRangeHistogram.fDataModel.setTrace(fTrace); |
| 844 | |
| 845 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
| 846 | fFullTraceRequest.cancel(); |
| 847 | } |
| 848 | fFullTraceHistogram.clear(); |
| 849 | fFullTraceHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 850 | fFullTraceHistogram.setTimeRange(startTime, duration); |
| 851 | fFullTraceHistogram.setSelection(selectionBeginTime, selectionEndTime); |
| 852 | fFullTraceHistogram.fDataModel.setTrace(fTrace); |
| 853 | |
| 854 | fWindowStartTime = startTime; |
| 855 | fWindowSpan = duration; |
| 856 | fWindowEndTime = startTime + duration; |
| 857 | |
| 858 | fSelectionBeginTime = selectionBeginTime; |
| 859 | fSelectionEndTime = selectionEndTime; |
| 860 | fSelectionStartControl.setValue(fSelectionBeginTime); |
| 861 | fSelectionEndControl.setValue(fSelectionEndTime); |
| 862 | |
| 863 | // make sure that the scrollbar is setup properly |
| 864 | fScrollComposite.setMinSize(fTimeControlsComposite.computeSize(SWT.DEFAULT, SWT.DEFAULT)); |
| 865 | fTimeSpanControl.setValue(duration); |
| 866 | |
| 867 | Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(fTrace); |
| 868 | if (!traces.isEmpty()) { |
| 869 | this.showTraceAction.setEnabled(traces.size() < fFullTraceHistogram.getMaxNbTraces()); |
| 870 | } |
| 871 | updateLegendArea(); |
| 872 | |
| 873 | if (!fullRange.equals(TmfTimeRange.NULL_RANGE)) { |
| 874 | sendTimeRangeRequest(startTime, startTime + duration); |
| 875 | sendFullRangeRequest(fullRange); |
| 876 | } |
| 877 | } |
| 878 | |
| 879 | private void updateLegendArea() { |
| 880 | for (Control c: fLegendArea.getChildren()) { |
| 881 | c.dispose(); |
| 882 | } |
| 883 | disposeLegendImages(); |
| 884 | if (fFullTraceHistogram.showTraces()) { |
| 885 | Collection<ITmfTrace> traces = TmfTraceManager.getTraceSet(fTrace); |
| 886 | fLegendImages = new Image[traces.size()]; |
| 887 | int traceIndex = 0; |
| 888 | for (ITmfTrace trace : traces) { |
| 889 | fLegendImages[traceIndex] = new Image(fLegendArea.getDisplay(), 16, 16); |
| 890 | GC gc = new GC(fLegendImages[traceIndex]); |
| 891 | gc.setBackground(fFullTraceHistogram.getTraceColor(traceIndex)); |
| 892 | gc.fillRectangle(0, 0, 15, 15); |
| 893 | gc.setForeground(fLegendArea.getDisplay().getSystemColor(SWT.COLOR_BLACK)); |
| 894 | gc.drawRectangle(0, 0, 15, 15); |
| 895 | gc.dispose(); |
| 896 | |
| 897 | CLabel label = new CLabel(fLegendArea, SWT.NONE); |
| 898 | label.setText(trace.getName()); |
| 899 | label.setImage(fLegendImages[traceIndex]); |
| 900 | traceIndex++; |
| 901 | } |
| 902 | } |
| 903 | fLegendArea.layout(); |
| 904 | fLegendArea.getParent().layout(); |
| 905 | } |
| 906 | |
| 907 | private void updateDisplayedSelectionTime(long beginTime, long endTime) { |
| 908 | fSelectionBeginTime = beginTime; |
| 909 | fSelectionEndTime = endTime; |
| 910 | |
| 911 | fFullTraceHistogram.setSelection(fSelectionBeginTime, fSelectionEndTime); |
| 912 | fTimeRangeHistogram.setSelection(fSelectionBeginTime, fSelectionEndTime); |
| 913 | fSelectionStartControl.setValue(fSelectionBeginTime); |
| 914 | fSelectionEndControl.setValue(fSelectionEndTime); |
| 915 | } |
| 916 | |
| 917 | private void updateDisplayedTimeRange(long start, long end) { |
| 918 | fWindowStartTime = start; |
| 919 | fWindowEndTime = end; |
| 920 | fWindowSpan = fWindowEndTime - fWindowStartTime; |
| 921 | fFullTraceHistogram.setTimeRange(fWindowStartTime, fWindowSpan); |
| 922 | } |
| 923 | |
| 924 | private TmfTimeRange updateTraceTimeRange() { |
| 925 | fTraceStartTime = 0L; |
| 926 | fTraceEndTime = 0L; |
| 927 | |
| 928 | TmfTimeRange timeRange = fTrace.getTimeRange(); |
| 929 | if (!timeRange.equals(TmfTimeRange.NULL_RANGE)) { |
| 930 | fTraceStartTime = timeRange.getStartTime().toNanos(); |
| 931 | fTraceEndTime = timeRange.getEndTime().toNanos(); |
| 932 | } |
| 933 | return timeRange; |
| 934 | } |
| 935 | |
| 936 | private void sendTimeRangeRequest(long startTime, long endTime) { |
| 937 | if ((fTimeRangeRequest != null) && !fTimeRangeRequest.isCompleted()) { |
| 938 | fTimeRangeRequest.cancel(); |
| 939 | } |
| 940 | TmfTimestamp startTS = new TmfTimestamp(startTime, ITmfTimestamp.NANOSECOND_SCALE); |
| 941 | TmfTimestamp endTS = new TmfTimestamp(endTime, ITmfTimestamp.NANOSECOND_SCALE); |
| 942 | TmfTimeRange timeRange = new TmfTimeRange(startTS, endTS); |
| 943 | |
| 944 | fTimeRangeHistogram.clear(); |
| 945 | fTimeRangeHistogram.setFullRange(fTraceStartTime, fTraceEndTime); |
| 946 | fTimeRangeHistogram.setTimeRange(startTime, endTime - startTime); |
| 947 | |
| 948 | int cacheSize = fTrace.getCacheSize(); |
| 949 | fTimeRangeRequest = new HistogramRequest(fTimeRangeHistogram.getDataModel(), |
| 950 | timeRange, 0, ITmfEventRequest.ALL_DATA, cacheSize, ExecutionType.FOREGROUND, false); |
| 951 | fTrace.sendRequest(fTimeRangeRequest); |
| 952 | } |
| 953 | |
| 954 | private void sendFullRangeRequest(TmfTimeRange fullRange) { |
| 955 | if ((fFullTraceRequest != null) && !fFullTraceRequest.isCompleted()) { |
| 956 | fFullTraceRequest.cancel(); |
| 957 | } |
| 958 | int cacheSize = fTrace.getCacheSize(); |
| 959 | fFullTraceRequest = new HistogramRequest(fFullTraceHistogram.getDataModel(), |
| 960 | fullRange, |
| 961 | (int) fFullTraceHistogram.fDataModel.getNbEvents(), |
| 962 | ITmfEventRequest.ALL_DATA, |
| 963 | cacheSize, |
| 964 | ExecutionType.BACKGROUND, true); |
| 965 | fTrace.sendRequest(fFullTraceRequest); |
| 966 | } |
| 967 | |
| 968 | private void contributeToActionBars() { |
| 969 | IActionBars bars = getViewSite().getActionBars(); |
| 970 | bars.getToolBarManager().add(getShowLostEventsAction()); |
| 971 | bars.getToolBarManager().add(getShowTraceAction()); |
| 972 | bars.getToolBarManager().add(new Separator()); |
| 973 | } |
| 974 | |
| 975 | private void addLinkButtonListeners() { |
| 976 | fLinkButton.addMouseListener(new MouseAdapter() { |
| 977 | @Override |
| 978 | public void mouseDown(MouseEvent e) { |
| 979 | fSelectionEndControl.setEnabled(fLinkState); |
| 980 | fLinkState = !fLinkState; |
| 981 | fLinkButton.redraw(); |
| 982 | } |
| 983 | }); |
| 984 | |
| 985 | fLinkButton.addPaintListener(new PaintListener() { |
| 986 | @Override |
| 987 | public void paintControl(PaintEvent e) { |
| 988 | if (fLinkState) { |
| 989 | Rectangle r = fLinkButton.getBounds(); |
| 990 | r.x = -1; |
| 991 | r.y = -1; |
| 992 | e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_WIDGET_NORMAL_SHADOW)); |
| 993 | e.gc.drawRectangle(r); |
| 994 | r.x = 0; |
| 995 | r.y = 0; |
| 996 | e.gc.setForeground(e.display.getSystemColor(SWT.COLOR_DARK_GRAY)); |
| 997 | e.gc.drawRectangle(r); |
| 998 | } |
| 999 | } |
| 1000 | }); |
| 1001 | } |
| 1002 | |
| 1003 | private static class PackedScrolledComposite extends ScrolledComposite { |
| 1004 | Point fScrollBarSize; // Size of OS-specific scrollbar |
| 1005 | |
| 1006 | public PackedScrolledComposite(Composite parent, int style) { |
| 1007 | super(parent, style); |
| 1008 | Composite composite = new Composite(parent, SWT.H_SCROLL | SWT.V_SCROLL); |
| 1009 | composite.setSize(1, 1); |
| 1010 | fScrollBarSize = composite.computeSize(0, 0); |
| 1011 | composite.dispose(); |
| 1012 | } |
| 1013 | |
| 1014 | @Override |
| 1015 | public Point computeSize(int wHint, int hHint, boolean changed) { |
| 1016 | Point point = super.computeSize(wHint, hHint, changed); |
| 1017 | // Remove scrollbar size if applicable |
| 1018 | point.x += ((getStyle() & SWT.V_SCROLL) != 0) ? -fScrollBarSize.x : 0; |
| 1019 | point.y += ((getStyle() & SWT.H_SCROLL) != 0) ? -fScrollBarSize.y : 0; |
| 1020 | return point; |
| 1021 | } |
| 1022 | } |
| 1023 | } |