-/*****************************************************************************\r
- * Copyright (c) 2007, 2008 Intel Corporation, 2009, 2010, 2011, 2012 Ericsson.\r
- * All rights reserved. This program and the accompanying materials\r
- * are made available under the terms of the Eclipse Public License v1.0\r
- * which accompanies this distribution, and is available at\r
- * http://www.eclipse.org/legal/epl-v10.html\r
- *\r
- * Contributors:\r
- * Intel Corporation - Initial API and implementation\r
- * Ruslan A. Scherbakov, Intel - Initial API and implementation\r
- * Alvaro Sanchez-Leon - Updated for TMF\r
- * Patrick Tasse - Refactoring\r
- *\r
- *****************************************************************************/\r
-\r
-package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets;\r
-\r
-import java.util.ArrayList;\r
-import java.util.Iterator;\r
-import java.util.List;\r
-import java.util.Vector;\r
-\r
-import org.eclipse.jface.resource.JFaceResources;\r
-import org.eclipse.jface.resource.LocalResourceManager;\r
-import org.eclipse.jface.viewers.ISelection;\r
-import org.eclipse.jface.viewers.ISelectionChangedListener;\r
-import org.eclipse.jface.viewers.ISelectionProvider;\r
-import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider;\r
-import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTreeListener;\r
-import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;\r
-import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTreeExpansionEvent;\r
-import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;\r
-import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;\r
-import org.eclipse.swt.SWT;\r
-import org.eclipse.swt.events.ControlEvent;\r
-import org.eclipse.swt.events.ControlListener;\r
-import org.eclipse.swt.events.FocusEvent;\r
-import org.eclipse.swt.events.FocusListener;\r
-import org.eclipse.swt.events.KeyEvent;\r
-import org.eclipse.swt.events.KeyListener;\r
-import org.eclipse.swt.events.MouseEvent;\r
-import org.eclipse.swt.events.MouseListener;\r
-import org.eclipse.swt.events.MouseMoveListener;\r
-import org.eclipse.swt.events.MouseTrackListener;\r
-import org.eclipse.swt.events.MouseWheelListener;\r
-import org.eclipse.swt.events.PaintEvent;\r
-import org.eclipse.swt.events.SelectionEvent;\r
-import org.eclipse.swt.events.SelectionListener;\r
-import org.eclipse.swt.events.TraverseEvent;\r
-import org.eclipse.swt.events.TraverseListener;\r
-import org.eclipse.swt.graphics.Color;\r
-import org.eclipse.swt.graphics.Cursor;\r
-import org.eclipse.swt.graphics.GC;\r
-import org.eclipse.swt.graphics.Image;\r
-import org.eclipse.swt.graphics.Point;\r
-import org.eclipse.swt.graphics.Rectangle;\r
-import org.eclipse.swt.widgets.Composite;\r
-import org.eclipse.swt.widgets.Display;\r
-import org.eclipse.swt.widgets.Event;\r
-import org.eclipse.swt.widgets.Listener;\r
-import org.eclipse.swt.widgets.ScrollBar;\r
-\r
-/**\r
- * Time graph control implementation\r
- *\r
- * @version 1.0\r
- * @author Alvaro Sanchez-Leon\r
- * @author Patrick Tasse\r
- */\r
-public class TimeGraphControl extends TimeGraphBaseControl implements FocusListener, KeyListener, MouseMoveListener, MouseListener, MouseWheelListener, ControlListener, SelectionListener, MouseTrackListener, TraverseListener, ISelectionProvider {\r
-\r
- private static final int DRAG_NONE = 0;\r
- private static final int DRAG_TRACE_ITEM = 1;\r
- private static final int DRAG_SPLIT_LINE = 2;\r
- public static final boolean DEFAULT_DRAW_THREAD_JOIN = true;\r
- public static final boolean DEFAULT_DRAW_THREAD_WAIT = true;\r
- public static final boolean DEFAULT_DRAW_THREAD_RELEASE = true;\r
- public static final int H_SCROLLBAR_MAX = Integer.MAX_VALUE - 1;\r
- private static final int CUSTOM_ITEM_HEIGHT = -1; // get item height from provider\r
-\r
- private static final double zoomCoeff = 1.5;\r
-\r
- private ITimeDataProvider _timeProvider;\r
- private boolean _isInFocus = false;\r
- private boolean _isDragCursor3 = false;\r
- private boolean _isWaitCursor = true;\r
- private boolean _mouseOverSplitLine = false;\r
- private int _itemHeight = CUSTOM_ITEM_HEIGHT;\r
- private int _minimumItemWidth = 0;\r
- private int _topIndex = 0;\r
- private int _dragState = DRAG_NONE;\r
- private int _dragX0 = 0;\r
- private int _dragX = 0;\r
- private int _idealNameSpace = 0;\r
- // private double _timeStep = 10000000;\r
- private long _time0bak;\r
- private long _time1bak;\r
- private ITimeGraphPresentationProvider fTimeGraphProvider = null;\r
- private ItemData _data = null;\r
- private List<SelectionListener> _selectionListeners;\r
- private final List<ISelectionChangedListener> _selectionChangedListeners = new ArrayList<ISelectionChangedListener>();\r
- private final List<ITimeGraphTreeListener> _treeListeners = new ArrayList<ITimeGraphTreeListener>();\r
- private final Cursor _dragCursor3;\r
- private final Cursor _WaitCursor;\r
-\r
- // Vertical formatting formatting for the state control view\r
- private final boolean _visibleVerticalScroll = true;\r
- private int _borderWidth = 0;\r
- private int _headerHeight = 0;\r
-\r
- private Listener mouseScrollFilterListener;\r
-\r
- protected LocalResourceManager fResourceManager = new LocalResourceManager(JFaceResources.getResources());\r
- protected Color[] fEventColorMap = null;\r
-\r
- private MouseScrollNotifier fMouseScrollNotifier;\r
- private final Object fMouseScrollNotifierLock = new Object();\r
- private class MouseScrollNotifier extends Thread {\r
- private final static long DELAY = 400L;\r
- private final static long POLLING_INTERVAL = 10L;\r
- private long fLastScrollTime = Long.MAX_VALUE;\r
-\r
- @Override\r
- public void run() {\r
- while ((System.currentTimeMillis() - fLastScrollTime) < DELAY) {\r
- try {\r
- Thread.sleep(POLLING_INTERVAL);\r
- } catch (Exception e) {\r
- return;\r
- }\r
- }\r
- if (!isInterrupted()) {\r
- Display.getDefault().asyncExec(new Runnable() {\r
- @Override\r
- public void run() {\r
- if (isDisposed()) {\r
- return;\r
- }\r
- _timeProvider.notifyStartFinishTime();\r
- }\r
- });\r
- }\r
- synchronized (fMouseScrollNotifierLock) {\r
- fMouseScrollNotifier = null;\r
- }\r
- }\r
-\r
- public void mouseScrolled() {\r
- fLastScrollTime = System.currentTimeMillis();\r
- }\r
- }\r
-\r
- /**\r
- * Standard constructor\r
- *\r
- * @param parent\r
- * The parent composite object\r
- * @param colors\r
- * The color scheme to use\r
- */\r
- public TimeGraphControl(Composite parent, TimeGraphColorScheme colors) {\r
-\r
- super(parent, colors, SWT.NO_BACKGROUND | SWT.H_SCROLL | SWT.DOUBLE_BUFFERED);\r
-\r
- _data = new ItemData();\r
-\r
- addFocusListener(this);\r
- addMouseListener(this);\r
- addMouseMoveListener(this);\r
- addMouseTrackListener(this);\r
- addMouseWheelListener(this);\r
- addTraverseListener(this);\r
- addKeyListener(this);\r
- addControlListener(this);\r
- ScrollBar scrollHor = getHorizontalBar();\r
-\r
- if (scrollHor != null) {\r
- scrollHor.addSelectionListener(this);\r
- }\r
-\r
- _dragCursor3 = new Cursor(super.getDisplay(), SWT.CURSOR_SIZEWE);\r
- _WaitCursor = new Cursor(super.getDisplay(), SWT.CURSOR_WAIT);\r
- }\r
-\r
- @Override\r
- public void dispose() {\r
- super.dispose();\r
- _dragCursor3.dispose();\r
- _WaitCursor.dispose();\r
- fResourceManager.dispose();\r
- }\r
-\r
- /**\r
- * Sets the timegraph provider used by this timegraph viewer.\r
- *\r
- * @param timeGraphProvider the timegraph provider\r
- */\r
- public void setTimeGraphProvider(ITimeGraphPresentationProvider timeGraphProvider) {\r
- fTimeGraphProvider = timeGraphProvider;\r
- _data.provider = timeGraphProvider;\r
-\r
- if (fEventColorMap != null) {\r
- for (Color color : fEventColorMap) {\r
- fResourceManager.destroyColor(color.getRGB());\r
- }\r
- }\r
- StateItem[] stateItems = fTimeGraphProvider.getStateTable();\r
- if (stateItems != null) {\r
- fEventColorMap = new Color[stateItems.length];\r
- for (int i = 0; i < stateItems.length; i++) {\r
- fEventColorMap[i] = fResourceManager.createColor(stateItems[i].getStateColor());\r
- }\r
- } else {\r
- fEventColorMap = new Color[] { };\r
- }\r
- }\r
-\r
- /**\r
- * Assign the given time provider\r
- *\r
- * @param timeProvider\r
- * The time provider\r
- */\r
- public void setTimeProvider(ITimeDataProvider timeProvider) {\r
- _timeProvider = timeProvider;\r
- adjustScrolls();\r
- redraw();\r
- }\r
-\r
- /**\r
- * Add a selection listener\r
- *\r
- * @param listener\r
- * The listener to add\r
- */\r
- public void addSelectionListener(SelectionListener listener) {\r
- if (listener == null) {\r
- SWT.error(SWT.ERROR_NULL_ARGUMENT);\r
- }\r
- if (null == _selectionListeners) {\r
- _selectionListeners = new ArrayList<SelectionListener>();\r
- }\r
- _selectionListeners.add(listener);\r
- }\r
-\r
- /**\r
- * Remove a selection listener\r
- *\r
- * @param listener\r
- * The listener to remove\r
- */\r
- public void removeSelectionListener(SelectionListener listener) {\r
- if (null != _selectionListeners) {\r
- _selectionListeners.remove(listener);\r
- }\r
- }\r
-\r
- /**\r
- * Selection changed callback\r
- */\r
- public void fireSelectionChanged() {\r
- if (null != _selectionListeners) {\r
- Iterator<SelectionListener> it = _selectionListeners.iterator();\r
- while (it.hasNext()) {\r
- SelectionListener listener = it.next();\r
- listener.widgetSelected(null);\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * Default selection callback\r
- */\r
- public void fireDefaultSelection() {\r
- if (null != _selectionListeners) {\r
- Iterator<SelectionListener> it = _selectionListeners.iterator();\r
- while (it.hasNext()) {\r
- SelectionListener listener = it.next();\r
- listener.widgetDefaultSelected(null);\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * Get the traces in the model\r
- *\r
- * @return The array of traces\r
- */\r
- public ITimeGraphEntry[] getTraces() {\r
- return _data.getTraces();\r
- }\r
-\r
- /**\r
- * Get the on/off trace filters\r
- *\r
- * @return The array of filters\r
- */\r
- public boolean[] getTraceFilter() {\r
- return _data.getTraceFilter();\r
- }\r
-\r
- /**\r
- * Refresh the data for the thing\r
- */\r
- public void refreshData() {\r
- _data.refreshData();\r
- adjustScrolls();\r
- redraw();\r
- }\r
-\r
- /**\r
- * Refresh data for the given traces\r
- *\r
- * @param traces\r
- * The traces to refresh\r
- */\r
- public void refreshData(ITimeGraphEntry[] traces) {\r
- _data.refreshData(traces);\r
- adjustScrolls();\r
- redraw();\r
- }\r
-\r
- /**\r
- * Adjust the scoll bars\r
- */\r
- public void adjustScrolls() {\r
- if (null == _timeProvider) {\r
- getHorizontalBar().setValues(0, 1, 1, 1, 1, 1);\r
- return;\r
- }\r
-\r
- // HORIZONTAL BAR\r
- // Visible window\r
- long time0 = _timeProvider.getTime0();\r
- long time1 = _timeProvider.getTime1();\r
- // Time boundaries\r
- long timeMin = _timeProvider.getMinTime();\r
- long timeMax = _timeProvider.getMaxTime();\r
-\r
- long delta = timeMax - timeMin;\r
-\r
- int timePos = 0;\r
- int thumb = H_SCROLLBAR_MAX;\r
-\r
- if (delta != 0) {\r
- // Thumb size (page size)\r
- thumb = Math.max(1, (int) (H_SCROLLBAR_MAX * ((double) (time1 - time0) / delta)));\r
- // At the beginning of visible window\r
- timePos = (int) (H_SCROLLBAR_MAX * ((double) (time0 - timeMin) / delta));\r
- }\r
-\r
- // position, minimum, maximum, thumb size, increment (half page)t, page\r
- // increment size (full page)\r
- getHorizontalBar().setValues(timePos, 0, H_SCROLLBAR_MAX, thumb, Math.max(1, thumb / 2), Math.max(2, thumb));\r
- }\r
-\r
- boolean ensureVisibleItem(int idx, boolean redraw) {\r
- boolean changed = false;\r
- if (idx < 0) {\r
- for (idx = 0; idx < _data._expandedItems.length; idx++) {\r
- if (((Item) _data._expandedItems[idx])._selected) {\r
- break;\r
- }\r
- }\r
- }\r
- if (idx >= _data._expandedItems.length) {\r
- return changed;\r
- }\r
- if (idx < _topIndex) {\r
- setTopIndex(idx);\r
- //FIXME:getVerticalBar().setSelection(_topItem);\r
- if (redraw) {\r
- redraw();\r
- }\r
- changed = true;\r
- } else {\r
- int page = countPerPage();\r
- if (idx >= _topIndex + page) {\r
- setTopIndex(idx - page + 1);\r
- //FIXME:getVerticalBar().setSelection(_topItem);\r
- if (redraw) {\r
- redraw();\r
- }\r
- changed = true;\r
- }\r
- }\r
- return changed;\r
- }\r
-\r
- /**\r
- * Assign the given index as the top one\r
- *\r
- * @param idx\r
- * The index\r
- */\r
- public void setTopIndex(int idx) {\r
- idx = Math.min(idx, _data._expandedItems.length - countPerPage());\r
- idx = Math.max(0, idx);\r
- _topIndex = idx;\r
- redraw();\r
- }\r
-\r
- /**\r
- * Set the expanded state of a given entry\r
- *\r
- * @param entry\r
- * The entry\r
- * @param expanded\r
- * True if expanded, false if collapsed\r
- */\r
- public void setExpandedState(ITimeGraphEntry entry, boolean expanded) {\r
- Item item = _data.findItem(entry);\r
- if (item != null && item._expanded != expanded) {\r
- item._expanded = expanded;\r
- _data.updateExpandedItems();\r
- redraw();\r
- }\r
- }\r
-\r
- /**\r
- * Add a tree listener\r
- *\r
- * @param listener\r
- * The listener to add\r
- */\r
- public void addTreeListener(ITimeGraphTreeListener listener) {\r
- if (!_treeListeners.contains(listener)) {\r
- _treeListeners.add(listener);\r
- }\r
- }\r
-\r
- /**\r
- * Remove a tree listener\r
- *\r
- * @param listener\r
- * The listener to remove\r
- */\r
- public void removeTreeListener(ITimeGraphTreeListener listener) {\r
- if (_treeListeners.contains(listener)) {\r
- _treeListeners.remove(listener);\r
- }\r
- }\r
-\r
- /**\r
- * Tree event callback\r
- *\r
- * @param entry\r
- * The affected entry\r
- * @param expanded\r
- * The expanded state (true for expanded, false for collapsed)\r
- */\r
- public void fireTreeEvent(ITimeGraphEntry entry, boolean expanded) {\r
- TimeGraphTreeExpansionEvent event = new TimeGraphTreeExpansionEvent(this, entry);\r
- for (ITimeGraphTreeListener listener : _treeListeners) {\r
- if (expanded) {\r
- listener.treeExpanded(event);\r
- } else {\r
- listener.treeCollapsed(event);\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public ISelection getSelection() {\r
- TimeGraphSelection sel = new TimeGraphSelection();\r
- ITimeGraphEntry trace = getSelectedTrace();\r
- if (null != trace && null != _timeProvider) {\r
- long selectedTime = _timeProvider.getSelectedTime();\r
- ITimeEvent event = Utils.findEvent(trace, selectedTime, 0);\r
- if (event != null) {\r
- sel.add(event);\r
- } else {\r
- sel.add(trace);\r
- }\r
- }\r
- return sel;\r
- }\r
-\r
- /**\r
- * Get the selection object\r
- *\r
- * @return The selection\r
- */\r
- public ISelection getSelectionTrace() {\r
- TimeGraphSelection sel = new TimeGraphSelection();\r
- ITimeGraphEntry trace = getSelectedTrace();\r
- if (null != trace) {\r
- sel.add(trace);\r
- }\r
- return sel;\r
- }\r
-\r
-\r
- // TODO select implementation for selectTrace\r
-// public void selectTrace(int n) {\r
-// if (n != 1 && n != -1)\r
-// return;\r
-// boolean changed = false;\r
-// int lastSelection = -1;\r
-// for (int i = 0; i < _data._expandedItems.length; i++) {\r
-// TimeGraphItem item = (TimeGraphItem) _data._expandedItems[i];\r
-// if (item._selected) {\r
-// lastSelection = i;\r
-// if (1 == n && i < _data._expandedItems.length - 1) {\r
-// item._selected = false;\r
-// if (item._hasChildren) {\r
-// _data.expandItem(i);\r
-// fireTreeEvent(item._trace, item._expanded);\r
-// }\r
-// item = (TimeGraphItem) _data._expandedItems[i + 1];\r
-// if (item._hasChildren) {\r
-// _data.expandItem(i + 1);\r
-// fireTreeEvent(item._trace, item._expanded);\r
-// item = (TimeGraphItem) _data._expandedItems[i + 2];\r
-// }\r
-// item._selected = true;\r
-// changed = true;\r
-// } else if (-1 == n && i > 0) {\r
-// i--;\r
-// TimeGraphItem prevItem = (TimeGraphItem) _data._expandedItems[i];\r
-// if (prevItem._hasChildren) {\r
-// if (prevItem._expanded) {\r
-// if (i > 0) {\r
-// i--;\r
-// prevItem = (TimeGraphItem) _data._expandedItems[i];\r
-// }\r
-// }\r
-// if (!prevItem._expanded) {\r
-// _data.expandItem(i);\r
-// fireTreeEvent(prevItem._trace, prevItem._expanded);\r
-// prevItem = (TimeGraphItem) _data._expandedItems[i + prevItem.children.size()];\r
-// item._selected = false;\r
-// prevItem._selected = true;\r
-// changed = true;\r
-// }\r
-// } else {\r
-// item._selected = false;\r
-// prevItem._selected = true;\r
-// changed = true;\r
-// }\r
-// }\r
-// break;\r
-// }\r
-// }\r
-// if (lastSelection < 0 && _data._expandedItems.length > 0) {\r
-// TimeGraphItem item = (TimeGraphItem) _data._expandedItems[0];\r
-// if (item._hasChildren) {\r
-// _data.expandItem(0);\r
-// fireTreeEvent(item._trace, item._expanded);\r
-// item = (TimeGraphItem) _data._expandedItems[1];\r
-// item._selected = true;\r
-// changed = true;\r
-// } else {\r
-// item._selected = true;\r
-// changed = true;\r
-// }\r
-// }\r
-// if (changed) {\r
-// ensureVisibleItem(-1, false);\r
-// redraw();\r
-// fireSelectionChanged();\r
-// }\r
-// }\r
-\r
- /**\r
- * Enable/disable one of the traces in the model\r
- *\r
- * @param n\r
- * 1 to enable it, -1 to disable. The method returns immediately\r
- * if another value is used.\r
- */\r
- public void selectTrace(int n) {\r
- if ((n != 1) && (n != -1)) {\r
- return;\r
- }\r
-\r
- boolean changed = false;\r
- int lastSelection = -1;\r
- for (int i = 0; i < _data._expandedItems.length; i++) {\r
- Item item = (Item) _data._expandedItems[i];\r
- if (item._selected) {\r
- lastSelection = i;\r
- if ((1 == n) && (i < _data._expandedItems.length - 1)) {\r
- item._selected = false;\r
- item = (Item) _data._expandedItems[i + 1];\r
- item._selected = true;\r
- changed = true;\r
- } else if ((-1 == n) && (i > 0)) {\r
- item._selected = false;\r
- item = (Item) _data._expandedItems[i - 1];\r
- item._selected = true;\r
- changed = true;\r
- }\r
- break;\r
- }\r
- }\r
-\r
- if (lastSelection < 0 && _data._expandedItems.length > 0) {\r
- Item item = (Item) _data._expandedItems[0];\r
- item._selected = true;\r
- changed = true;\r
- }\r
-\r
- if (changed) {\r
- ensureVisibleItem(-1, false);\r
- redraw();\r
- fireSelectionChanged();\r
- }\r
- }\r
-\r
- /**\r
- * Select an event\r
- *\r
- * @param n\r
- * 1 to enable, -1 to disable\r
- */\r
- public void selectEvent(int n) {\r
- if (null == _timeProvider) {\r
- return;\r
- }\r
- ITimeGraphEntry trace = getSelectedTrace();\r
- if (trace == null) {\r
- return;\r
- }\r
- long selectedTime = _timeProvider.getSelectedTime();\r
- long endTime = _timeProvider.getEndTime();\r
- ITimeEvent nextEvent;\r
- if (-1 == n && selectedTime > endTime) {\r
- nextEvent = Utils.findEvent(trace, selectedTime, 0);\r
- } else {\r
- nextEvent = Utils.findEvent(trace, selectedTime, n);\r
- }\r
- if (null == nextEvent && -1 == n) {\r
- nextEvent = Utils.getFirstEvent(trace);\r
- }\r
- if (null != nextEvent) {\r
- long nextTime = nextEvent.getTime();\r
- // If last event detected e.g. going back or not moving to a next\r
- // event\r
- if (nextTime <= selectedTime && n == 1) {\r
- // Select to the end of this last event\r
- nextTime = nextEvent.getTime() + nextEvent.getDuration();\r
- // but not beyond the end of the trace\r
- if (nextTime > endTime) {\r
- nextTime = endTime;\r
- }\r
- }\r
- _timeProvider.setSelectedTimeNotify(nextTime, true);\r
- fireSelectionChanged();\r
- } else if (1 == n) {\r
- _timeProvider.setSelectedTimeNotify(endTime, true);\r
- fireSelectionChanged();\r
- }\r
- }\r
-\r
- /**\r
- * Select the next event\r
- */\r
- public void selectNextEvent() {\r
- selectEvent(1);\r
- // Notify if visible time window has been adjusted\r
- _timeProvider.setStartFinishTimeNotify(_timeProvider.getTime0(), _timeProvider.getTime1());\r
- }\r
-\r
- /**\r
- * Select the previous event\r
- */\r
- public void selectPrevEvent() {\r
- selectEvent(-1);\r
- // Notify if visible time window has been adjusted\r
- _timeProvider.setStartFinishTimeNotify(_timeProvider.getTime0(), _timeProvider.getTime1());\r
- }\r
-\r
- /**\r
- * Select the next trace\r
- */\r
- public void selectNextTrace() {\r
- selectTrace(1);\r
- }\r
-\r
- /**\r
- * Select the previous trace\r
- */\r
- public void selectPrevTrace() {\r
- selectTrace(-1);\r
- }\r
-\r
- /**\r
- * Zoom based on mouse cursor location with mouse scrolling\r
- *\r
- * @param zoomIn true to zoom in, false to zoom out\r
- */\r
- public void zoom(boolean zoomIn) {\r
- int globalX = getDisplay().getCursorLocation().x;\r
- Point p = toControl(globalX, 0);\r
- int nameSpace = _timeProvider.getNameSpace();\r
- int timeSpace = _timeProvider.getTimeSpace();\r
- int xPos = Math.max(nameSpace, Math.min(nameSpace + timeSpace, p.x));\r
- long time0 = _timeProvider.getTime0();\r
- long time1 = _timeProvider.getTime1();\r
- long interval = time1 - time0;\r
- if (interval == 0) {\r
- interval = 1;\r
- } // to allow getting out of single point interval\r
- long newInterval;\r
- if (zoomIn) {\r
- newInterval = Math.max(Math.round((double) interval * 0.8), _timeProvider.getMinTimeInterval());\r
- } else {\r
- newInterval = (long) Math.ceil((double) interval * 1.25);\r
- }\r
- long center = time0 + Math.round(((double) (xPos - nameSpace) / timeSpace * interval));\r
- long newTime0 = center - Math.round((double) newInterval * (center - time0) / interval);\r
- long newTime1 = newTime0 + newInterval;\r
- _timeProvider.setStartFinishTime(newTime0, newTime1);\r
- synchronized (fMouseScrollNotifierLock) {\r
- if (fMouseScrollNotifier == null) {\r
- fMouseScrollNotifier = new MouseScrollNotifier();\r
- fMouseScrollNotifier.start();\r
- }\r
- fMouseScrollNotifier.mouseScrolled();\r
- }\r
- }\r
-\r
- /**\r
- * zoom in using single click\r
- */\r
- public void zoomIn() {\r
- long _time0 = _timeProvider.getTime0();\r
- long _time1 = _timeProvider.getTime1();\r
- long _range = _time1 - _time0;\r
- long selTime = _timeProvider.getSelectedTime();\r
- if (selTime <= _time0 || selTime >= _time1) {\r
- selTime = (_time0 + _time1) / 2;\r
- }\r
- long time0 = selTime - (long) ((selTime - _time0) / zoomCoeff);\r
- long time1 = selTime + (long) ((_time1 - selTime) / zoomCoeff);\r
-\r
- long inaccuracy = (_timeProvider.getMaxTime() - _timeProvider.getMinTime()) - (time1 - time0);\r
-\r
- // Trace.debug("selTime:" + selTime + " time0:" + time0 + " time1:"\r
- // + time1 + " inaccuracy:" + inaccuracy);\r
-\r
- if (inaccuracy > 0 && inaccuracy < 100) {\r
- _timeProvider.setStartFinishTimeNotify(_timeProvider.getMinTime(), _timeProvider.getMaxTime());\r
- return;\r
- }\r
-\r
- long m = _timeProvider.getMinTimeInterval();\r
- if ((time1 - time0) < m) {\r
- time0 = selTime - (long) ((selTime - _time0) * m / _range);\r
- time1 = time0 + m;\r
- }\r
-\r
- _timeProvider.setStartFinishTimeNotify(time0, time1);\r
- }\r
-\r
- /**\r
- * zoom out using single click\r
- */\r
- public void zoomOut() {\r
- long _time0 = _timeProvider.getTime0();\r
- long _time1 = _timeProvider.getTime1();\r
- long selTime = _timeProvider.getSelectedTime();\r
- if (selTime <= _time0 || selTime >= _time1) {\r
- selTime = (_time0 + _time1) / 2;\r
- }\r
- long time0 = (long) (selTime - (selTime - _time0) * zoomCoeff);\r
- long time1 = (long) (selTime + (_time1 - selTime) * zoomCoeff);\r
-\r
- long inaccuracy = (_timeProvider.getMaxTime() - _timeProvider.getMinTime()) - (time1 - time0);\r
- if (inaccuracy > 0 && inaccuracy < 100) {\r
- _timeProvider.setStartFinishTimeNotify(_timeProvider.getMinTime(), _timeProvider.getMaxTime());\r
- return;\r
- }\r
-\r
- _timeProvider.setStartFinishTimeNotify(time0, time1);\r
- }\r
-\r
- /**\r
- * Return the currently selected trace\r
- *\r
- * @return The entry matching the trace\r
- */\r
- public ITimeGraphEntry getSelectedTrace() {\r
- ITimeGraphEntry trace = null;\r
- int idx = getSelectedIndex();\r
- if (idx >= 0) {\r
- trace = _data._expandedItems[idx]._trace;\r
- }\r
- return trace;\r
- }\r
-\r
- /**\r
- * Retrieve the index of the currently selected item\r
- *\r
- * @return The index\r
- */\r
- public int getSelectedIndex() {\r
- int idx = -1;\r
- for (int i = 0; i < _data._expandedItems.length; i++) {\r
- Item item = (Item) _data._expandedItems[i];\r
- if (item._selected) {\r
- idx = i;\r
- break;\r
- }\r
- }\r
- return idx;\r
- }\r
-\r
- boolean toggle(int idx) {\r
- boolean toggled = false;\r
- if (idx >= 0 && idx < _data._expandedItems.length) {\r
- Item item = (Item) _data._expandedItems[idx];\r
- if (item._hasChildren) {\r
- item._expanded = !item._expanded;\r
- _data.updateExpandedItems();\r
- adjustScrolls();\r
- redraw();\r
- toggled = true;\r
- fireTreeEvent(item._trace, item._expanded);\r
- }\r
- }\r
- return toggled;\r
- }\r
-\r
- int getItemIndexAtY(int y) {\r
- if (y < 0) {\r
- return -1;\r
- }\r
- if (_itemHeight == CUSTOM_ITEM_HEIGHT) {\r
- int ySum = 0;\r
- for (int idx = _topIndex; idx < _data._expandedItems.length; idx++) {\r
- ySum += _data._expandedItems[idx].itemHeight;\r
- if (y < ySum) {\r
- return idx;\r
- }\r
- }\r
- return -1;\r
- }\r
- int idx = y / _itemHeight;\r
- idx += _topIndex;\r
- if (idx < _data._expandedItems.length) {\r
- return idx;\r
- }\r
- return -1;\r
- }\r
-\r
- boolean isOverSplitLine(int x) {\r
- if (x < 0 || null == _timeProvider) {\r
- return false;\r
- }\r
- int w = 4;\r
- int nameWidth = _timeProvider.getNameSpace();\r
- if (x > nameWidth - w && x < nameWidth + w) {\r
- return true;\r
- } else {\r
- return false;\r
- }\r
- }\r
-\r
- ITimeGraphEntry getEntry(Point pt) {\r
- int idx = getItemIndexAtY(pt.y);\r
- return idx >= 0 ? _data._expandedItems[idx]._trace : null;\r
- }\r
-\r
- long getTimeAtX(int x) {\r
- if (null == _timeProvider) {\r
- return -1;\r
- }\r
- long hitTime = -1;\r
- Point size = getCtrlSize();\r
- long time0 = _timeProvider.getTime0();\r
- long time1 = _timeProvider.getTime1();\r
- int nameWidth = _timeProvider.getNameSpace();\r
- x -= nameWidth;\r
- int timeWidth = size.x - nameWidth - RIGHT_MARGIN;\r
- if (x >= 0 && size.x >= nameWidth) {\r
- if (time1 - time0 > timeWidth) {\r
- // get the last possible time represented by the pixel position\r
- // by taking the time of the next pixel position minus 1 nanosecond\r
- hitTime = time0 + (long) ((time1 - time0) * ((double) (x + 1) / timeWidth)) - 1;\r
- } else {\r
- hitTime = time0 + Math.round((time1 - time0) * ((double) x / timeWidth));\r
- }\r
- }\r
- return hitTime;\r
- }\r
-\r
- void selectItem(int idx, boolean addSelection) {\r
- boolean changed = false;\r
- if (addSelection) {\r
- if (idx >= 0 && idx < _data._expandedItems.length) {\r
- Item item = (Item) _data._expandedItems[idx];\r
- changed = (item._selected == false);\r
- item._selected = true;\r
- }\r
- } else {\r
- for (int i = 0; i < _data._expandedItems.length; i++) {\r
- Item item = (Item) _data._expandedItems[i];\r
- if ((i == idx && !item._selected) || (idx == -1 && item._selected)) {\r
- changed = true;\r
- }\r
- item._selected = i == idx;\r
- }\r
- }\r
- changed |= ensureVisibleItem(idx, true);\r
- if (changed) {\r
- redraw();\r
- }\r
- }\r
-\r
- /**\r
- * Callback for item selection\r
- *\r
- * @param trace\r
- * The entry matching the trace\r
- * @param addSelection\r
- * If the selection is added or removed\r
- */\r
- public void selectItem(ITimeGraphEntry trace, boolean addSelection) {\r
- int idx = _data.findItemIndex(trace);\r
- selectItem(idx, addSelection);\r
- }\r
-\r
- /**\r
- * Retrieve the number of entries shown per page.\r
- *\r
- * @return The count\r
- */\r
- public int countPerPage() {\r
- int height = getCtrlSize().y;\r
- int count = 0;\r
- if (_itemHeight == CUSTOM_ITEM_HEIGHT) {\r
- int ySum = 0;\r
- for (int idx = _topIndex; idx < _data._expandedItems.length; idx++) {\r
- ySum += _data._expandedItems[idx].itemHeight;\r
- if (ySum >= height) {\r
- return count;\r
- }\r
- count++;\r
- }\r
- for (int idx = _topIndex - 1; idx >= 0; idx--) {\r
- ySum += _data._expandedItems[idx].itemHeight;\r
- if (ySum >= height) {\r
- return count;\r
- }\r
- count++;\r
- }\r
- return count;\r
- }\r
- if (height > 0) {\r
- count = height / _itemHeight;\r
- }\r
- return count;\r
- }\r
-\r
- /**\r
- * Get the index of the top element\r
- *\r
- * @return The index\r
- */\r
- public int getTopIndex() {\r
- return _topIndex;\r
- }\r
-\r
- /**\r
- * Get the number of expanded items\r
- *\r
- * @return The count of expanded items\r
- */\r
- public int getExpandedElementCount() {\r
- return _data._expandedItems.length;\r
- }\r
-\r
- /**\r
- * Get an array of all expanded elements\r
- *\r
- * @return The expanded elements\r
- */\r
- public ITimeGraphEntry[] getExpandedElements() {\r
- ArrayList<ITimeGraphEntry> elements = new ArrayList<ITimeGraphEntry>();\r
- for (Item item : _data._expandedItems) {\r
- elements.add(item._trace);\r
- }\r
- return elements.toArray(new ITimeGraphEntry[0]);\r
- }\r
-\r
- Point getCtrlSize() {\r
- Point size = getSize();\r
- if (getHorizontalBar().isVisible()) {\r
- size.y -= getHorizontalBar().getSize().y;\r
- }\r
- return size;\r
- }\r
-\r
- Rectangle getNameRect(Rectangle bound, int idx, int nameWidth) {\r
- int x = bound.x;\r
- int y = bound.y + (idx - _topIndex) * _itemHeight;\r
- int width = nameWidth;\r
- int height = _itemHeight;\r
- if (_itemHeight == CUSTOM_ITEM_HEIGHT) {\r
- int ySum = 0;\r
- for (int i = _topIndex; i < idx; i++) {\r
- ySum += _data._expandedItems[i].itemHeight;\r
- }\r
- y = bound.y + ySum;\r
- height = _data._expandedItems[idx].itemHeight;\r
- }\r
- return new Rectangle(x, y, width, height);\r
- }\r
-\r
- Rectangle getStatesRect(Rectangle bound, int idx, int nameWidth) {\r
- int x = bound.x + nameWidth;\r
- int y = bound.y + (idx - _topIndex) * _itemHeight;\r
- int width = bound.width - x;\r
- int height = _itemHeight;\r
- if (_itemHeight == CUSTOM_ITEM_HEIGHT) {\r
- int ySum = 0;\r
- for (int i = _topIndex; i < idx; i++) {\r
- ySum += _data._expandedItems[i].itemHeight;\r
- }\r
- y = bound.y + ySum;\r
- height = _data._expandedItems[idx].itemHeight;\r
- }\r
- return new Rectangle(x, y, width, height);\r
- }\r
-\r
- @Override\r
- void paint(Rectangle bounds, PaintEvent e) {\r
- GC gc = e.gc;\r
- gc.setBackground(_colors.getColor(TimeGraphColorScheme.BACKGROUND));\r
- drawBackground(gc, bounds.x, bounds.y, bounds.width, bounds.height);\r
-\r
- if (bounds.width < 2 || bounds.height < 2 || null == _timeProvider) {\r
- return;\r
- }\r
-\r
- _idealNameSpace = 0;\r
- int nameSpace = _timeProvider.getNameSpace();\r
-\r
- // draw empty name space background\r
- gc.setBackground(_colors.getBkColor(false, false, true));\r
- drawBackground(gc, bounds.x, bounds.y, nameSpace, bounds.height);\r
-\r
- drawItems(bounds, _timeProvider, _data._expandedItems, _topIndex, nameSpace, gc);\r
-\r
- // draw selected time\r
- long time0 = _timeProvider.getTime0();\r
- long time1 = _timeProvider.getTime1();\r
- long selectedTime = _timeProvider.getSelectedTime();\r
- double pixelsPerNanoSec = (bounds.width - nameSpace <= RIGHT_MARGIN) ? 0 : (double) (bounds.width - nameSpace - RIGHT_MARGIN) / (time1 - time0);\r
- int x = bounds.x + nameSpace + (int) ((double) (selectedTime - time0) * pixelsPerNanoSec);\r
- if (x >= nameSpace && x < bounds.x + bounds.width) {\r
- gc.setForeground(_colors.getColor(TimeGraphColorScheme.SELECTED_TIME));\r
- gc.drawLine(x, bounds.y, x, bounds.y + bounds.height);\r
- }\r
-\r
- // draw drag line, no line if name space is 0.\r
- if (DRAG_SPLIT_LINE == _dragState) {\r
- gc.setForeground(_colors.getColor(TimeGraphColorScheme.BLACK));\r
- gc.drawLine(bounds.x + nameSpace, bounds.y, bounds.x + nameSpace, bounds.y + bounds.height - 1);\r
- } else if (DRAG_NONE == _dragState && _mouseOverSplitLine && _timeProvider.getNameSpace() > 0) {\r
- gc.setForeground(_colors.getColor(TimeGraphColorScheme.RED));\r
- gc.drawLine(bounds.x + nameSpace, bounds.y, bounds.x + nameSpace, bounds.y + bounds.height - 1);\r
- }\r
- }\r
-\r
- /**\r
- * Draw many items at once\r
- *\r
- * @param bounds\r
- * The rectangle of the area\r
- * @param timeProvider\r
- * The time provider\r
- * @param items\r
- * The array items to draw\r
- * @param topIndex\r
- * The index of the first element to draw\r
- * @param nameSpace\r
- * The width reserved for the names\r
- * @param gc\r
- * Reference to the SWT GC object\r
- */\r
- public void drawItems(Rectangle bounds, ITimeDataProvider timeProvider,\r
- Item[] items, int topIndex, int nameSpace, GC gc) {\r
- for (int i = topIndex; i < items.length; i++) {\r
- Item item = (Item) items[i];\r
- drawItem(item, bounds, timeProvider, i, nameSpace, gc);\r
- }\r
- fTimeGraphProvider.postDrawControl(bounds, gc);\r
- }\r
-\r
- /**\r
- * Draws the item\r
- *\r
- * @param item the item to draw\r
- * @param bounds the container rectangle\r
- * @param i the item index\r
- * @param nameSpace the name space\r
- * @param gc\r
- */\r
- protected void drawItem(Item item, Rectangle bounds, ITimeDataProvider timeProvider, int i, int nameSpace, GC gc) {\r
- ITimeGraphEntry entry = item._trace;\r
- long time0 = timeProvider.getTime0();\r
- long time1 = timeProvider.getTime1();\r
- long selectedTime = timeProvider.getSelectedTime();\r
-\r
- Rectangle nameRect = getNameRect(bounds, i, nameSpace);\r
- if (nameRect.y >= bounds.y + bounds.height) {\r
- return;\r
- }\r
-\r
- if (! item._trace.hasTimeEvents()) {\r
- Rectangle statesRect = getStatesRect(bounds, i, nameSpace);\r
- nameRect.width += statesRect.width;\r
- drawName(item, nameRect, gc);\r
- } else {\r
- drawName(item, nameRect, gc);\r
- }\r
- Rectangle rect = getStatesRect(bounds, i, nameSpace);\r
- if (rect.isEmpty()) {\r
- fTimeGraphProvider.postDrawEntry(entry, rect, gc);\r
- return;\r
- }\r
- if (time1 <= time0) {\r
- gc.setBackground(_colors.getBkColor(false, false, false));\r
- gc.fillRectangle(rect);\r
- fTimeGraphProvider.postDrawEntry(entry, rect, gc);\r
- return;\r
- }\r
-\r
- // Initialize _rect1 to same values as enclosing rectangle rect\r
- Rectangle stateRect = Utils.clone(rect);\r
- boolean selected = item._selected;\r
- // K pixels per second\r
- double pixelsPerNanoSec = (rect.width <= RIGHT_MARGIN) ? 0 : (double) (rect.width - RIGHT_MARGIN) / (time1 - time0);\r
-\r
- if (item._trace.hasTimeEvents()) {\r
- fillSpace(rect, gc, selected);\r
- // Drawing rectangle is smaller than reserved space\r
- stateRect.y += 3;\r
- stateRect.height -= 6;\r
-\r
- long maxDuration = (timeProvider.getTimeSpace() == 0) ? Long.MAX_VALUE : 1 * (time1 - time0) / timeProvider.getTimeSpace();\r
- Iterator<ITimeEvent> iterator = entry.getTimeEventsIterator(time0, time1, maxDuration);\r
-\r
- int lastX = -1;\r
- while (iterator.hasNext()) {\r
- ITimeEvent event = iterator.next();\r
- int x = rect.x + (int) ((event.getTime() - time0) * pixelsPerNanoSec);\r
- int xEnd = rect.x + (int) ((event.getTime() + event.getDuration() - time0) * pixelsPerNanoSec);\r
- if (x >= rect.x + rect.width || xEnd < rect.x) {\r
- // event is out of bounds\r
- continue;\r
- }\r
- xEnd = Math.min(rect.x + rect.width, xEnd);\r
- stateRect.x = Math.max(rect.x, x);\r
- stateRect.width = Math.max(0, xEnd - stateRect.x + 1);\r
- if (stateRect.x == lastX) {\r
- stateRect.width -= 1;\r
- if (stateRect.width > 0) {\r
- gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));\r
- gc.drawPoint(stateRect.x, stateRect.y - 2);\r
- stateRect.x += 1;\r
- }\r
- } else {\r
- lastX = x;\r
- }\r
- boolean timeSelected = selectedTime >= event.getTime() && selectedTime < event.getTime() + event.getDuration();\r
- drawState(_colors, event, stateRect, gc, selected, timeSelected);\r
- }\r
- }\r
- fTimeGraphProvider.postDrawEntry(entry, rect, gc);\r
- }\r
-\r
- protected void drawName(Item item, Rectangle bounds, GC gc) {\r
- boolean hasTimeEvents = item._trace.hasTimeEvents();\r
- if (! hasTimeEvents) {\r
- gc.setBackground(_colors.getBkColorGroup(item._selected, _isInFocus));\r
- gc.fillRectangle(bounds);\r
- if (item._selected && _isInFocus) {\r
- gc.setForeground(_colors.getBkColor(item._selected, _isInFocus, false));\r
- gc.drawRectangle(bounds.x, bounds.y, bounds.width - 1, bounds.height - 1);\r
- }\r
- } else {\r
- gc.setBackground(_colors.getBkColor(item._selected, _isInFocus, true));\r
- gc.setForeground(_colors.getFgColor(item._selected, _isInFocus));\r
- gc.fillRectangle(bounds);\r
- }\r
-\r
- // No name to be drawn\r
- if (_timeProvider.getNameSpace() == 0) {\r
- return;\r
- }\r
-\r
- int leftMargin = MARGIN + item.level * EXPAND_SIZE;\r
- if (item._hasChildren) {\r
- gc.setForeground(_colors.getFgColorGroup(false, false));\r
- gc.setBackground(_colors.getBkColor(false, false, false));\r
- Rectangle rect = Utils.clone(bounds);\r
- rect.x += leftMargin;\r
- rect.y += (bounds.height - EXPAND_SIZE) / 2;\r
- rect.width = EXPAND_SIZE;\r
- rect.height = EXPAND_SIZE;\r
- gc.fillRectangle(rect);\r
- gc.drawRectangle(rect.x, rect.y, rect.width - 1, rect.height - 1);\r
- int midy = rect.y + rect.height / 2;\r
- gc.drawLine(rect.x + 2, midy, rect.x + rect.width - 3, midy);\r
- if (!item._expanded) {\r
- int midx = rect.x + rect.width / 2;\r
- gc.drawLine(midx, rect.y + 2, midx, rect.y + rect.height - 3);\r
- }\r
- }\r
- leftMargin += EXPAND_SIZE + MARGIN;\r
-\r
- Image img = fTimeGraphProvider.getItemImage(item._trace);\r
- if (img != null) {\r
- // draw icon\r
- int imgHeight = img.getImageData().height;\r
- int imgWidth = img.getImageData().width;\r
- int x = leftMargin;\r
- int y = bounds.y + (bounds.height - imgHeight) / 2;\r
- gc.drawImage(img, x, y);\r
- leftMargin += imgWidth + MARGIN;\r
- }\r
- String name = item._name;\r
- Point size = gc.stringExtent(name);\r
- if (_idealNameSpace < leftMargin + size.x + MARGIN) {\r
- _idealNameSpace = leftMargin + size.x + MARGIN;\r
- }\r
- if (hasTimeEvents) {\r
- // cut long string with "..."\r
- int width = bounds.width - leftMargin;\r
- int cuts = 0;\r
- while (size.x > width && name.length() > 1) {\r
- cuts++;\r
- name = name.substring(0, name.length() - 1);\r
- size = gc.stringExtent(name + "..."); //$NON-NLS-1$\r
- }\r
- if (cuts > 0) {\r
- name += "..."; //$NON-NLS-1$\r
- }\r
- }\r
- Rectangle rect = Utils.clone(bounds);\r
- rect.x += leftMargin;\r
- rect.width -= leftMargin;\r
- // draw text\r
- if (rect.width > 0) {\r
- rect.y += (bounds.height - gc.stringExtent(name).y) / 2;\r
- gc.setForeground(_colors.getFgColor(item._selected, _isInFocus));\r
- int textWidth = Utils.drawText(gc, name, rect, true);\r
- leftMargin += textWidth + MARGIN;\r
- rect.y -= 2;\r
-\r
- if (hasTimeEvents) {\r
- // draw middle line\r
- int x = bounds.x + leftMargin;\r
- int width = bounds.width - x;\r
- int midy = bounds.y + bounds.height / 2;\r
- gc.setForeground(_colors.getColor(TimeGraphColorScheme.MID_LINE));\r
- gc.drawLine(x, midy, x + width, midy);\r
- }\r
- }\r
- }\r
-\r
- protected void drawState(TimeGraphColorScheme colors, ITimeEvent event,\r
- Rectangle rect, GC gc, boolean selected, boolean timeSelected) {\r
-\r
- int colorIdx = fTimeGraphProvider.getStateTableIndex(event);\r
- if (colorIdx < 0) {\r
- return;\r
- }\r
- boolean visible = rect.width == 0 ? false : true;\r
-\r
- if (visible) {\r
- Color stateColor = null;\r
- if (colorIdx < fEventColorMap.length) {\r
- stateColor = fEventColorMap[colorIdx];\r
- } else {\r
- stateColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);\r
- }\r
-\r
- timeSelected = timeSelected && selected;\r
- if (timeSelected) {\r
- // modify the color?\r
- }\r
- // fill all rect area\r
- gc.setBackground(stateColor);\r
- gc.fillRectangle(rect);\r
- // get the border color?\r
- gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));\r
-\r
- // draw bounds\r
- if (!timeSelected) {\r
- // Draw the top and bottom borders i.e. no side borders\r
- // top\r
- gc.drawLine(rect.x, rect.y, rect.x + rect.width - 1, rect.y);\r
- // bottom\r
- gc.drawLine(rect.x, rect.y + rect.height - 1, rect.x + rect.width - 1, rect.y + rect.height - 1);\r
- }\r
- } else {\r
- gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));\r
- gc.drawPoint(rect.x, rect.y - 2);\r
- /*\r
- // selected rectangle area is not visible but can be represented\r
- // with a broken vertical line of specified width.\r
- int width = 1;\r
- rect.width = width;\r
- gc.setForeground(stateColor);\r
- int s = gc.getLineStyle();\r
- int w = gc.getLineWidth();\r
- gc.setLineStyle(SWT.LINE_DOT);\r
- gc.setLineWidth(width);\r
- // Trace.debug("Rectangle not visible, drawing vertical line with: "\r
- // + rect.x + "," + rect.y + "," + rect.x + "," + rect.y\r
- // + rect.height);\r
- gc.drawLine(rect.x, rect.y, rect.x, rect.y + rect.height - 1);\r
- gc.setLineStyle(s);\r
- gc.setLineWidth(w);\r
- if (!timeSelected) {\r
- gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));\r
- gc.drawPoint(rect.x, rect.y);\r
- gc.drawPoint(rect.x, rect.y + rect.height - 1);\r
- }\r
- */\r
- }\r
- fTimeGraphProvider.postDrawEvent(event, rect, gc);\r
- }\r
-\r
- protected void fillSpace(Rectangle rect, GC gc, boolean selected) {\r
- gc.setBackground(_colors.getBkColor(selected, _isInFocus, false));\r
- gc.fillRectangle(rect);\r
- // draw middle line\r
- gc.setForeground(_colors.getColor(TimeGraphColorScheme.MID_LINE));\r
- int midy = rect.y + rect.height / 2;\r
- gc.drawLine(rect.x, midy, rect.x + rect.width, midy);\r
- }\r
-\r
- @Override\r
- public void keyTraversed(TraverseEvent e) {\r
- if ((e.detail == SWT.TRAVERSE_TAB_NEXT) || (e.detail == SWT.TRAVERSE_TAB_PREVIOUS)) {\r
- e.doit = true;\r
- }\r
- }\r
-\r
- @Override\r
- public void keyPressed(KeyEvent e) {\r
- int idx = -1;\r
- if (_data._expandedItems.length == 0) {\r
- return;\r
- }\r
- if (SWT.HOME == e.keyCode) {\r
- idx = 0;\r
- } else if (SWT.END == e.keyCode) {\r
- idx = _data._expandedItems.length - 1;\r
- } else if (SWT.ARROW_DOWN == e.keyCode) {\r
- idx = getSelectedIndex();\r
- if (idx < 0) {\r
- idx = 0;\r
- } else if (idx < _data._expandedItems.length - 1) {\r
- idx++;\r
- }\r
- } else if (SWT.ARROW_UP == e.keyCode) {\r
- idx = getSelectedIndex();\r
- if (idx < 0) {\r
- idx = 0;\r
- } else if (idx > 0) {\r
- idx--;\r
- }\r
- } else if (SWT.ARROW_LEFT == e.keyCode) {\r
- selectPrevEvent();\r
- } else if (SWT.ARROW_RIGHT == e.keyCode) {\r
- selectNextEvent();\r
- } else if (SWT.PAGE_DOWN == e.keyCode) {\r
- int page = countPerPage();\r
- idx = getSelectedIndex();\r
- if (idx < 0) {\r
- idx = 0;\r
- }\r
- idx += page;\r
- if (idx >= _data._expandedItems.length) {\r
- idx = _data._expandedItems.length - 1;\r
- }\r
- } else if (SWT.PAGE_UP == e.keyCode) {\r
- int page = countPerPage();\r
- idx = getSelectedIndex();\r
- if (idx < 0) {\r
- idx = 0;\r
- }\r
- idx -= page;\r
- if (idx < 0) {\r
- idx = 0;\r
- }\r
- } else if (SWT.CR == e.keyCode) {\r
- idx = getSelectedIndex();\r
- if (idx >= 0) {\r
- if (_data._expandedItems[idx]._hasChildren) {\r
- toggle(idx);\r
- } else {\r
- fireDefaultSelection();\r
- }\r
- }\r
- idx = -1;\r
- }\r
- if (idx >= 0) {\r
- selectItem(idx, false);\r
- fireSelectionChanged();\r
- }\r
- }\r
-\r
- @Override\r
- public void keyReleased(KeyEvent e) {\r
- }\r
-\r
- @Override\r
- public void focusGained(FocusEvent e) {\r
- _isInFocus = true;\r
- if (mouseScrollFilterListener == null) {\r
- mouseScrollFilterListener = new Listener() {\r
- // This filter is used to prevent horizontal scrolling of the view\r
- // when the mouse wheel is used to zoom\r
- @Override\r
- public void handleEvent(Event event) {\r
- event.doit = false;\r
- }\r
- };\r
- getDisplay().addFilter(SWT.MouseWheel, mouseScrollFilterListener);\r
- }\r
- redraw();\r
- }\r
-\r
- @Override\r
- public void focusLost(FocusEvent e) {\r
- _isInFocus = false;\r
- if (mouseScrollFilterListener != null) {\r
- getDisplay().removeFilter(SWT.MouseWheel, mouseScrollFilterListener);\r
- mouseScrollFilterListener = null;\r
- }\r
- if (DRAG_NONE != _dragState) {\r
- setCapture(false);\r
- _dragState = DRAG_NONE;\r
- }\r
- redraw();\r
- }\r
-\r
- /**\r
- * @return If the current view is focused\r
- */\r
- public boolean isInFocus() {\r
- return _isInFocus;\r
- }\r
-\r
- /**\r
- * Provide the possibility to control the wait cursor externally e.g. data\r
- * requests in progress\r
- *\r
- * @param waitInd Should we wait indefinitely?\r
- */\r
- public void waitCursor(boolean waitInd) {\r
- // Update cursor as indicated\r
- if (waitInd) {\r
- setCursor(_WaitCursor);\r
- _isWaitCursor = true;\r
- } else {\r
- setCursor(null);\r
- _isWaitCursor = false;\r
- }\r
-\r
- // Get ready for next mouse move\r
- _isDragCursor3 = false;\r
- }\r
-\r
- /**\r
- * <p>\r
- * If the x, y position is over the vertical split line (name to time\r
- * ranges), then change the cursor to a drag cursor to indicate the user the\r
- * possibility of resizing\r
- * </p>\r
- *\r
- * @param x\r
- * @param y\r
- */\r
- void updateCursor(int x, int y) {\r
- // if Wait cursor not active, check for the need to change to a drag\r
- // cursor\r
- if (_isWaitCursor == false) {\r
- boolean isSplitLine = isOverSplitLine(x);\r
- // No dragcursor is name space is fixed to zero\r
- if (isSplitLine && !_isDragCursor3 && _timeProvider.getNameSpace() > 0) {\r
- setCursor(_dragCursor3);\r
- _isDragCursor3 = true;\r
- } else if (!isSplitLine && _isDragCursor3) {\r
- setCursor(null);\r
- _isDragCursor3 = false;\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseMove(MouseEvent e) {\r
- if (null == _timeProvider) {\r
- return;\r
- }\r
- Point size = getCtrlSize();\r
- if (DRAG_TRACE_ITEM == _dragState) {\r
- int nameWidth = _timeProvider.getNameSpace();\r
- int x = e.x - nameWidth;\r
- if (x > 0 && size.x > nameWidth && _dragX != x) {\r
- _dragX = x;\r
- double pixelsPerNanoSec = (size.x - nameWidth <= RIGHT_MARGIN) ? 0 : (double) (size.x - nameWidth - RIGHT_MARGIN) / (_time1bak - _time0bak);\r
- long timeDelta = (long) ((pixelsPerNanoSec == 0) ? 0 : ((_dragX - _dragX0) / pixelsPerNanoSec));\r
- long time1 = _time1bak - timeDelta;\r
- long maxTime = _timeProvider.getMaxTime();\r
- if (time1 > maxTime) {\r
- time1 = maxTime;\r
- }\r
- long time0 = time1 - (_time1bak - _time0bak);\r
- if (time0 < _timeProvider.getMinTime()) {\r
- time0 = _timeProvider.getMinTime();\r
- time1 = time0 + (_time1bak - _time0bak);\r
- }\r
- _timeProvider.setStartFinishTime(time0, time1);\r
- }\r
- } else if (DRAG_SPLIT_LINE == _dragState) {\r
- _dragX = e.x;\r
- _timeProvider.setNameSpace(e.x);\r
- } else if (DRAG_NONE == _dragState) {\r
- boolean mouseOverSplitLine = isOverSplitLine(e.x);\r
- if (_mouseOverSplitLine != mouseOverSplitLine) {\r
- redraw();\r
- }\r
- _mouseOverSplitLine = mouseOverSplitLine;\r
- }\r
- updateCursor(e.x, e.y);\r
- }\r
-\r
- @Override\r
- public void mouseDoubleClick(MouseEvent e) {\r
- if (null == _timeProvider) {\r
- return;\r
- }\r
- if (1 == e.button) {\r
- if (isOverSplitLine(e.x) && _timeProvider.getNameSpace() != 0) {\r
- _timeProvider.setNameSpace(_idealNameSpace);\r
- boolean mouseOverSplitLine = isOverSplitLine(e.x);\r
- if (_mouseOverSplitLine != mouseOverSplitLine) {\r
- redraw();\r
- }\r
- _mouseOverSplitLine = mouseOverSplitLine;\r
- return;\r
- }\r
- int idx = getItemIndexAtY(e.y);\r
- if (idx >= 0) {\r
- selectItem(idx, false);\r
- fireDefaultSelection();\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseDown(MouseEvent e) {\r
- if (null == _timeProvider) {\r
- return;\r
- }\r
- int idx;\r
- if (1 == e.button) {\r
- int nameSpace = _timeProvider.getNameSpace();\r
- if (nameSpace != 0) {\r
- if (isOverSplitLine(e.x)) {\r
- _dragState = DRAG_SPLIT_LINE;\r
- _dragX = _dragX0 = e.x;\r
- _time0bak = _timeProvider.getTime0();\r
- _time1bak = _timeProvider.getTime1();\r
- redraw();\r
- return;\r
- }\r
- }\r
-\r
- idx = getItemIndexAtY(e.y);\r
- if (idx >= 0) {\r
- Item item = _data._expandedItems[idx];\r
- if (item._hasChildren && e.x < nameSpace && e.x < MARGIN + (item.level + 1) * EXPAND_SIZE) {\r
- toggle(idx);\r
- } else {\r
- long hitTime = getTimeAtX(e.x);\r
- if (hitTime >= 0) {\r
- // _timeProvider.setSelectedTimeInt(hitTime, false);\r
- setCapture(true);\r
- _dragState = DRAG_TRACE_ITEM;\r
- _dragX = _dragX0 = e.x - nameSpace;\r
- _time0bak = _timeProvider.getTime0();\r
- _time1bak = _timeProvider.getTime1();\r
- }\r
- }\r
- selectItem(idx, false);\r
- fireSelectionChanged();\r
- } else {\r
- selectItem(idx, false); // clear selection\r
- redraw();\r
- fireSelectionChanged();\r
- }\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseUp(MouseEvent e) {\r
- if (DRAG_NONE != _dragState) {\r
- setCapture(false);\r
- if (DRAG_TRACE_ITEM == _dragState) {\r
- // Notify time provider to check the need for listener\r
- // notification\r
- _timeProvider.notifyStartFinishTime();\r
- if (_dragX == _dragX0) { // click without drag\r
- long time = getTimeAtX(e.x);\r
- _timeProvider.setSelectedTimeNotify(time, false);\r
- }\r
- } else if (DRAG_SPLIT_LINE == _dragState) {\r
- redraw();\r
- }\r
- _dragState = DRAG_NONE;\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseEnter(MouseEvent e) {\r
- }\r
-\r
- @Override\r
- public void mouseExit(MouseEvent e) {\r
- if (_mouseOverSplitLine) {\r
- _mouseOverSplitLine = false;\r
- redraw();\r
- }\r
- }\r
-\r
- @Override\r
- public void mouseHover(MouseEvent e) {\r
- }\r
-\r
- @Override\r
- public void mouseScrolled(MouseEvent e) {\r
- if ((mouseScrollFilterListener == null) || _dragState != DRAG_NONE) {\r
- return;\r
- }\r
- boolean zoomScroll = false;\r
- Point p = getParent().toControl(getDisplay().getCursorLocation());\r
- Point parentSize = getParent().getSize();\r
- if (p.x >= 0 && p.x < parentSize.x && p.y >= 0 && p.y < parentSize.y) {\r
- // over the parent control\r
- if (e.x > getCtrlSize().x) {\r
- // over the horizontal scroll bar\r
- zoomScroll = false;\r
- } else if (e.y >= 0 && e.y < getCtrlSize().y && e.x < _timeProvider.getNameSpace()) {\r
- // over the name space\r
- zoomScroll = false;\r
- } else {\r
- zoomScroll = true;\r
- }\r
- }\r
- if (zoomScroll && _timeProvider.getTime0() != _timeProvider.getTime1()) {\r
- if (e.count > 0) {\r
- zoom(true);\r
- } else if (e.count < 0) {\r
- zoom(false);\r
- }\r
- } else {\r
- setTopIndex(getTopIndex() - e.count);\r
- }\r
- }\r
-\r
- @Override\r
- public void controlMoved(ControlEvent e) {\r
- }\r
-\r
- @Override\r
- public void controlResized(ControlEvent e) {\r
- adjustScrolls();\r
- }\r
-\r
- @Override\r
- public void widgetDefaultSelected(SelectionEvent e) {\r
- }\r
-\r
- @Override\r
- public void widgetSelected(SelectionEvent e) {\r
- if (e.widget == getVerticalBar()) {\r
- setTopIndex(getVerticalBar().getSelection());\r
- } else if (e.widget == getHorizontalBar() && null != _timeProvider) {\r
- int start = getHorizontalBar().getSelection();\r
- long time0 = _timeProvider.getTime0();\r
- long time1 = _timeProvider.getTime1();\r
- long timeMin = _timeProvider.getMinTime();\r
- long timeMax = _timeProvider.getMaxTime();\r
- long delta = timeMax - timeMin;\r
-\r
- long range = time1 - time0;\r
- // _timeRangeFixed = true;\r
- time0 = timeMin + Math.round(delta * ((double) start / H_SCROLLBAR_MAX));\r
- time1 = time0 + range;\r
-\r
- // TODO: Follow-up with Bug 310310\r
- // In Linux SWT.DRAG is the only value received\r
- // https://bugs.eclipse.org/bugs/show_bug.cgi?id=310310\r
- if (e.detail == SWT.DRAG) {\r
- _timeProvider.setStartFinishTime(time0, time1);\r
- } else {\r
- _timeProvider.setStartFinishTimeNotify(time0, time1);\r
- }\r
- }\r
- }\r
-\r
- /**\r
- * @return The current visibility of the vertical scroll bar\r
- */\r
- public boolean isVisibleVerticalScroll() {\r
- return _visibleVerticalScroll;\r
- }\r
-\r
- @Override\r
- public int getBorderWidth() {\r
- return _borderWidth;\r
- }\r
-\r
- /**\r
- * Set the border width\r
- *\r
- * @param borderWidth\r
- * The width\r
- */\r
- public void setBorderWidth(int borderWidth) {\r
- this._borderWidth = borderWidth;\r
- }\r
-\r
- /**\r
- * @return The current height of the header row\r
- */\r
- public int getHeaderHeight() {\r
- return _headerHeight;\r
- }\r
-\r
- /**\r
- * Set the height of the header row\r
- *\r
- * @param headerHeight\r
- * The height\r
- */\r
- public void setHeaderHeight(int headerHeight) {\r
- this._headerHeight = headerHeight;\r
- }\r
-\r
- /**\r
- * @return The height of regular item rows\r
- */\r
- public int getItemHeight() {\r
- return _itemHeight;\r
- }\r
-\r
- /**\r
- * Set the height of regular itew rows\r
- *\r
- * @param rowHeight\r
- * The height\r
- */\r
- public void setItemHeight(int rowHeight) {\r
- this._itemHeight = rowHeight;\r
- }\r
-\r
- /**\r
- * Set the minimum item width\r
- *\r
- * @param width The minimum width\r
- */\r
- public void setMinimumItemWidth(int width) {\r
- this._minimumItemWidth = width;\r
- }\r
-\r
- /**\r
- * @return The minimum item width\r
- */\r
- public int getMinimumItemWidth() {\r
- return _minimumItemWidth;\r
- }\r
-\r
- /**\r
- * @return The entries that are currently filtered out\r
- */\r
- public Vector<ITimeGraphEntry> getFilteredOut() {\r
- return _data.getFilteredOut();\r
- }\r
-\r
- // @Override\r
- @Override\r
- public void addSelectionChangedListener(ISelectionChangedListener listener) {\r
- if (listener != null) {\r
- if (!_selectionChangedListeners.contains(listener)) {\r
- _selectionChangedListeners.add(listener);\r
- }\r
- }\r
- }\r
-\r
- // @Override\r
- @Override\r
- public void removeSelectionChangedListener(ISelectionChangedListener listener) {\r
- if (listener != null) {\r
- _selectionChangedListeners.remove(listener);\r
- }\r
- }\r
-\r
- // @Override\r
- @Override\r
- public void setSelection(ISelection selection) {\r
- if (selection instanceof TimeGraphSelection) {\r
- TimeGraphSelection sel = (TimeGraphSelection) selection;\r
- Object ob = sel.getFirstElement();\r
- if (ob instanceof ITimeGraphEntry) {\r
- ITimeGraphEntry trace = (ITimeGraphEntry) ob;\r
- selectItem(trace, false);\r
- }\r
- }\r
-\r
- }\r
-\r
- private class ItemData {\r
- public Item[] _expandedItems = new Item[0];\r
- public Item[] _items = new Item[0];\r
- private ITimeGraphEntry _traces[] = new ITimeGraphEntry[0];\r
- private boolean traceFilter[] = new boolean[0];\r
- private final Vector<ITimeGraphEntry> filteredOut = new Vector<ITimeGraphEntry>();\r
- public ITimeGraphPresentationProvider provider;\r
-\r
- public ItemData() {\r
- }\r
-\r
- Item findItem(ITimeGraphEntry entry) {\r
- if (entry == null) {\r
- return null;\r
- }\r
-\r
- for (int i = 0; i < _items.length; i++) {\r
- Item item = _items[i];\r
- if (item._trace == entry) {\r
- return item;\r
- }\r
- }\r
-\r
- return null;\r
- }\r
-\r
- int findItemIndex(ITimeGraphEntry trace) {\r
- if (trace == null) {\r
- return -1;\r
- }\r
-\r
- for (int i = 0; i < _expandedItems.length; i++) {\r
- Item item = _expandedItems[i];\r
- if (item._trace == trace) {\r
- return i;\r
- }\r
- }\r
-\r
- return -1;\r
- }\r
-\r
- public void refreshData() {\r
- List<Item> itemList = new ArrayList<Item>();\r
- filteredOut.clear();\r
- for (int i = 0; i < _traces.length; i++) {\r
- ITimeGraphEntry entry = _traces[i];\r
- refreshData(itemList, null, 0, entry);\r
- }\r
- _items = itemList.toArray(new Item[0]);\r
- updateExpandedItems();\r
- }\r
-\r
- private void refreshData(List<Item> itemList, Item parent, int level, ITimeGraphEntry entry) {\r
- Item item = new Item(entry, entry.getName(), level);\r
- if (parent != null) {\r
- parent.children.add(item);\r
- }\r
- item.itemHeight = provider.getItemHeight(entry);\r
- itemList.add(item);\r
- if (entry.hasChildren()) {\r
- item._expanded = true;\r
- item._hasChildren = true;\r
- for (ITimeGraphEntry child : entry.getChildren()) {\r
- refreshData(itemList, item, level + 1, child);\r
- }\r
- }\r
- }\r
-\r
- public void updateExpandedItems() {\r
- List<Item> expandedItemList = new ArrayList<Item>();\r
- for (int i = 0; i < _traces.length; i++) {\r
- ITimeGraphEntry entry = _traces[i];\r
- Item item = findItem(entry);\r
- refreshExpanded(expandedItemList, item);\r
- }\r
- _expandedItems = expandedItemList.toArray(new Item[0]);\r
- }\r
-\r
- private void refreshExpanded(List<Item> expandedItemList, Item item) {\r
- expandedItemList.add(item);\r
- if (item._hasChildren && item._expanded) {\r
- for (Item child : item.children) {\r
- refreshExpanded(expandedItemList, child);\r
- }\r
- }\r
- }\r
-\r
- public void expandItem(int idx) {\r
- if (idx < 0 || idx >= _expandedItems.length) {\r
- return;\r
- }\r
- Item item = (Item) _expandedItems[idx];\r
- if (item._hasChildren && !item._expanded) {\r
- item._expanded = true;\r
- updateExpandedItems();\r
- }\r
- }\r
-\r
- public void refreshData(ITimeGraphEntry traces[]) {\r
- if (traces == null || traces.length == 0) {\r
- traceFilter = null;\r
- } else if (traceFilter == null || traces.length != traceFilter.length) {\r
- traceFilter = new boolean[traces.length];\r
- java.util.Arrays.fill(traceFilter, true);\r
- }\r
-\r
- _traces = traces;\r
- refreshData();\r
- }\r
-\r
- public ITimeGraphEntry[] getTraces() {\r
- return _traces;\r
- }\r
-\r
- public boolean[] getTraceFilter() {\r
- return traceFilter;\r
- }\r
-\r
- public Vector<ITimeGraphEntry> getFilteredOut() {\r
- return filteredOut;\r
- }\r
- }\r
-\r
- private class Item {\r
- public boolean _expanded;\r
- public boolean _selected;\r
- public boolean _hasChildren;\r
- public int itemHeight;\r
- public int level;\r
- public List<Item> children;\r
- public String _name;\r
- public ITimeGraphEntry _trace;\r
-\r
- public Item(ITimeGraphEntry trace, String name, int level) {\r
- this._trace = trace;\r
- this._name = name;\r
- this.level = level;\r
- this.children = new ArrayList<Item>();\r
- }\r
-\r
- @Override\r
- public String toString() {\r
- return _name;\r
- }\r
- }\r
-\r
-}\r
-\r
+/*****************************************************************************
+ * Copyright (c) 2007, 2014 Intel Corporation and others
+ *
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ * Intel Corporation - Initial API and implementation
+ * Ruslan A. Scherbakov, Intel - Initial API and implementation
+ * Alvaro Sanchez-Leon, Ericsson - Updated for TMF
+ * Patrick Tasse, Ericsson - Refactoring
+ * Geneviève Bastien, École Polytechnique de Montréal - Move code to
+ * provide base classes for time graph view
+ * Add display of links between items
+ * Xavier Raynaud, Kalray - Code optimization
+ *****************************************************************************/
+
+package org.eclipse.linuxtools.tmf.ui.widgets.timegraph.widgets;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Iterator;
+import java.util.LinkedHashMap;
+import java.util.List;
+import java.util.Map;
+
+import org.eclipse.jface.action.IStatusLineManager;
+import org.eclipse.jface.resource.JFaceResources;
+import org.eclipse.jface.resource.LocalResourceManager;
+import org.eclipse.jface.viewers.AbstractTreeViewer;
+import org.eclipse.jface.viewers.ISelection;
+import org.eclipse.jface.viewers.ISelectionChangedListener;
+import org.eclipse.jface.viewers.ISelectionProvider;
+import org.eclipse.jface.viewers.ViewerFilter;
+import org.eclipse.linuxtools.tmf.core.timestamp.ITmfTimestamp;
+import org.eclipse.linuxtools.tmf.core.timestamp.TmfNanoTimestamp;
+import org.eclipse.linuxtools.tmf.core.timestamp.TmfTimestampDelta;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphColorListener;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider2;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.ITimeGraphTreeListener;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.StateItem;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.TimeGraphTreeExpansionEvent;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ILinkEvent;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeEvent;
+import org.eclipse.linuxtools.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
+import org.eclipse.swt.SWT;
+import org.eclipse.swt.events.ControlEvent;
+import org.eclipse.swt.events.ControlListener;
+import org.eclipse.swt.events.FocusEvent;
+import org.eclipse.swt.events.FocusListener;
+import org.eclipse.swt.events.KeyEvent;
+import org.eclipse.swt.events.KeyListener;
+import org.eclipse.swt.events.MenuDetectEvent;
+import org.eclipse.swt.events.MenuDetectListener;
+import org.eclipse.swt.events.MouseEvent;
+import org.eclipse.swt.events.MouseListener;
+import org.eclipse.swt.events.MouseMoveListener;
+import org.eclipse.swt.events.MouseTrackListener;
+import org.eclipse.swt.events.MouseWheelListener;
+import org.eclipse.swt.events.PaintEvent;
+import org.eclipse.swt.events.SelectionEvent;
+import org.eclipse.swt.events.SelectionListener;
+import org.eclipse.swt.events.TraverseEvent;
+import org.eclipse.swt.events.TraverseListener;
+import org.eclipse.swt.events.TypedEvent;
+import org.eclipse.swt.graphics.Color;
+import org.eclipse.swt.graphics.Cursor;
+import org.eclipse.swt.graphics.GC;
+import org.eclipse.swt.graphics.Image;
+import org.eclipse.swt.graphics.Point;
+import org.eclipse.swt.graphics.Rectangle;
+import org.eclipse.swt.widgets.Composite;
+import org.eclipse.swt.widgets.Display;
+import org.eclipse.swt.widgets.Event;
+import org.eclipse.swt.widgets.Listener;
+import org.eclipse.swt.widgets.ScrollBar;
+
+/**
+ * Time graph control implementation
+ *
+ * @version 1.0
+ * @author Alvaro Sanchez-Leon
+ * @author Patrick Tasse
+ */
+public class TimeGraphControl extends TimeGraphBaseControl
+ implements FocusListener, KeyListener, MouseMoveListener, MouseListener, MouseWheelListener,
+ ControlListener, SelectionListener, MouseTrackListener, TraverseListener, ISelectionProvider,
+ MenuDetectListener, ITmfTimeGraphDrawingHelper, ITimeGraphColorListener {
+
+ /** Max scrollbar size */
+ public static final int H_SCROLLBAR_MAX = Integer.MAX_VALUE - 1;
+
+ /** Constant indicating that all levels of the time graph should be expanded
+ * @since 3.1 */
+ public static final int ALL_LEVELS = AbstractTreeViewer.ALL_LEVELS;
+
+ private static final int DRAG_NONE = 0;
+ private static final int DRAG_TRACE_ITEM = 1;
+ private static final int DRAG_SPLIT_LINE = 2;
+ private static final int DRAG_ZOOM = 3;
+ private static final int DRAG_SELECTION = 4;
+
+ private static final int CUSTOM_ITEM_HEIGHT = -1; // get item height from provider
+
+ private static final double ZOOM_FACTOR = 1.5;
+ private static final double ZOOM_IN_FACTOR = 0.8;
+ private static final double ZOOM_OUT_FACTOR = 1.25;
+
+ private static final int SNAP_WIDTH = 2;
+
+ private static final int NO_STATUS = -1;
+
+ /** Resource manager */
+ private LocalResourceManager fResourceManager = new LocalResourceManager(JFaceResources.getResources());
+
+ /** Color map for event types */
+ private Color[] fEventColorMap = null;
+
+ private ITimeDataProvider fTimeProvider;
+ private IStatusLineManager fStatusLineManager = null;
+ private TimeGraphScale fTimeGraphScale = null;
+
+ private boolean fIsInFocus = false;
+ private boolean fMouseOverSplitLine = false;
+ private int fGlobalItemHeight = CUSTOM_ITEM_HEIGHT;
+ private int fMinimumItemWidth = 0;
+ private int fTopIndex = 0;
+ private int fDragState = DRAG_NONE;
+ private int fDragButton;
+ private int fDragX0 = 0;
+ private int fDragX = 0;
+ private long fDragTime0 = 0; // used to preserve accuracy of modified selection
+ private int fIdealNameSpace = 0;
+ private long fTime0bak;
+ private long fTime1bak;
+ private ITimeGraphPresentationProvider fTimeGraphProvider = null;
+ private ItemData fItemData = null;
+ private List<SelectionListener> fSelectionListeners;
+ private final List<ISelectionChangedListener> fSelectionChangedListeners = new ArrayList<>();
+ private final List<ITimeGraphTreeListener> fTreeListeners = new ArrayList<>();
+ private final List<MenuDetectListener> fTimeGraphEntryMenuListeners = new ArrayList<>();
+ private final List<MenuDetectListener> fTimeEventMenuListeners = new ArrayList<>();
+ private final Cursor fDragCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_HAND);
+ private final Cursor fResizeCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_IBEAM);
+ private final Cursor fWaitCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_WAIT);
+ private final Cursor fZoomCursor = Display.getDefault().getSystemCursor(SWT.CURSOR_SIZEWE);
+ private final List<ViewerFilter> fFilters = new ArrayList<>();
+ private MenuDetectEvent fPendingMenuDetectEvent = null;
+ private boolean fHideArrows = false;
+ private int fAutoExpandLevel = ALL_LEVELS;
+
+ private int fBorderWidth = 0;
+ private int fHeaderHeight = 0;
+
+ private Listener fMouseScrollFilterListener;
+
+ private MouseScrollNotifier fMouseScrollNotifier;
+ private final Object fMouseScrollNotifierLock = new Object();
+
+ private class MouseScrollNotifier extends Thread {
+ private static final long DELAY = 400L;
+ private static final long POLLING_INTERVAL = 10L;
+ private long fLastScrollTime = Long.MAX_VALUE;
+
+ @Override
+ public void run() {
+ while ((System.currentTimeMillis() - fLastScrollTime) < DELAY) {
+ try {
+ Thread.sleep(POLLING_INTERVAL);
+ } catch (Exception e) {
+ return;
+ }
+ }
+ if (!isInterrupted()) {
+ Display.getDefault().asyncExec(new Runnable() {
+ @Override
+ public void run() {
+ if (isDisposed()) {
+ return;
+ }
+ fTimeProvider.notifyStartFinishTime();
+ }
+ });
+ }
+ synchronized (fMouseScrollNotifierLock) {
+ fMouseScrollNotifier = null;
+ }
+ }
+
+ public void mouseScrolled() {
+ fLastScrollTime = System.currentTimeMillis();
+ }
+ }
+
+ /**
+ * Standard constructor
+ *
+ * @param parent
+ * The parent composite object
+ * @param colors
+ * The color scheme to use
+ */
+ public TimeGraphControl(Composite parent, TimeGraphColorScheme colors) {
+
+ super(parent, colors, SWT.NO_BACKGROUND | SWT.H_SCROLL | SWT.DOUBLE_BUFFERED);
+
+ fItemData = new ItemData();
+
+ addFocusListener(this);
+ addMouseListener(this);
+ addMouseMoveListener(this);
+ addMouseTrackListener(this);
+ addMouseWheelListener(this);
+ addTraverseListener(this);
+ addKeyListener(this);
+ addControlListener(this);
+ addMenuDetectListener(this);
+ ScrollBar scrollHor = getHorizontalBar();
+
+ if (scrollHor != null) {
+ scrollHor.addSelectionListener(this);
+ }
+ }
+
+ @Override
+ public void dispose() {
+ super.dispose();
+ fResourceManager.dispose();
+ }
+
+ /**
+ * Sets the timegraph provider used by this timegraph viewer.
+ *
+ * @param timeGraphProvider the timegraph provider
+ */
+ public void setTimeGraphProvider(ITimeGraphPresentationProvider timeGraphProvider) {
+ fTimeGraphProvider = timeGraphProvider;
+
+ if (timeGraphProvider instanceof ITimeGraphPresentationProvider2) {
+ ((ITimeGraphPresentationProvider2) timeGraphProvider).setDrawingHelper(this);
+ ((ITimeGraphPresentationProvider2) timeGraphProvider).addColorListener(this);
+ }
+
+ StateItem[] stateItems = fTimeGraphProvider.getStateTable();
+ colorSettingsChanged(stateItems);
+ }
+
+ /**
+ * Gets the timegraph provider used by this timegraph viewer.
+ *
+ * @return the timegraph provider, or <code>null</code> if not set.
+ * @since 3.0
+ */
+ public ITimeGraphPresentationProvider getTimeGraphProvider() {
+ return fTimeGraphProvider;
+ }
+
+ /**
+ * Gets the color map used by this timegraph viewer.
+ *
+ * @return a color map, or <code>null</code> if not set.
+ * @since 3.0
+ */
+ public Color[] getEventColorMap() {
+ return fEventColorMap;
+ }
+
+ /**
+ * Assign the given time provider
+ *
+ * @param timeProvider
+ * The time provider
+ */
+ public void setTimeProvider(ITimeDataProvider timeProvider) {
+ fTimeProvider = timeProvider;
+ adjustScrolls();
+ redraw();
+ }
+
+ /**
+ * Assign the status line manager
+ *
+ * @param statusLineManager
+ * The status line manager, or null to disable status line messages
+ * @since 2.1
+ */
+ public void setStatusLineManager(IStatusLineManager statusLineManager) {
+ if (fStatusLineManager != null && statusLineManager == null) {
+ fStatusLineManager.setMessage(""); //$NON-NLS-1$
+ }
+ fStatusLineManager = statusLineManager;
+ }
+
+ /**
+ * Assign the time graph scale
+ *
+ * @param timeGraphScale
+ * The time graph scale
+ * @since 2.1
+ */
+ public void setTimeGraphScale(TimeGraphScale timeGraphScale) {
+ fTimeGraphScale = timeGraphScale;
+ }
+
+ /**
+ * Add a selection listener
+ *
+ * @param listener
+ * The listener to add
+ */
+ public void addSelectionListener(SelectionListener listener) {
+ if (listener == null) {
+ SWT.error(SWT.ERROR_NULL_ARGUMENT);
+ }
+ if (null == fSelectionListeners) {
+ fSelectionListeners = new ArrayList<>();
+ }
+ fSelectionListeners.add(listener);
+ }
+
+ /**
+ * Remove a selection listener
+ *
+ * @param listener
+ * The listener to remove
+ */
+ public void removeSelectionListener(SelectionListener listener) {
+ if (null != fSelectionListeners) {
+ fSelectionListeners.remove(listener);
+ }
+ }
+
+ /**
+ * Selection changed callback
+ */
+ public void fireSelectionChanged() {
+ if (null != fSelectionListeners) {
+ Iterator<SelectionListener> it = fSelectionListeners.iterator();
+ while (it.hasNext()) {
+ SelectionListener listener = it.next();
+ listener.widgetSelected(null);
+ }
+ }
+ }
+
+ /**
+ * Default selection callback
+ */
+ public void fireDefaultSelection() {
+ if (null != fSelectionListeners) {
+ Iterator<SelectionListener> it = fSelectionListeners.iterator();
+ while (it.hasNext()) {
+ SelectionListener listener = it.next();
+ listener.widgetDefaultSelected(null);
+ }
+ }
+ }
+
+ /**
+ * Get the traces in the model
+ *
+ * @return The array of traces
+ */
+ public ITimeGraphEntry[] getTraces() {
+ return fItemData.getEntries();
+ }
+
+ /**
+ * Get the on/off trace filters
+ *
+ * @return The array of filters
+ */
+ public boolean[] getTraceFilter() {
+ return fItemData.getEntryFilter();
+ }
+
+ /**
+ * Refresh the data for the thing
+ */
+ public void refreshData() {
+ fItemData.refreshData();
+ adjustScrolls();
+ redraw();
+ }
+
+ /**
+ * Refresh data for the given traces
+ *
+ * @param traces
+ * The traces to refresh
+ */
+ public void refreshData(ITimeGraphEntry[] traces) {
+ fItemData.refreshData(traces);
+ adjustScrolls();
+ redraw();
+ }
+
+ /**
+ * Refresh the links (arrows) of this widget
+ *
+ * @param events The link events to refresh
+ * @since 2.1
+ */
+ public void refreshArrows(List<ILinkEvent> events) {
+ fItemData.refreshArrows(events);
+ }
+
+ /**
+ * Adjust the scoll bars
+ */
+ public void adjustScrolls() {
+ if (null == fTimeProvider) {
+ getHorizontalBar().setValues(0, 1, 1, 1, 1, 1);
+ return;
+ }
+
+ // HORIZONTAL BAR
+ // Visible window
+ long time0 = fTimeProvider.getTime0();
+ long time1 = fTimeProvider.getTime1();
+ // Time boundaries
+ long timeMin = fTimeProvider.getMinTime();
+ long timeMax = fTimeProvider.getMaxTime();
+
+ long delta = timeMax - timeMin;
+
+ int timePos = 0;
+ int thumb = H_SCROLLBAR_MAX;
+
+ if (delta != 0) {
+ // Thumb size (page size)
+ thumb = Math.max(1, (int) (H_SCROLLBAR_MAX * ((double) (time1 - time0) / delta)));
+ // At the beginning of visible window
+ timePos = (int) (H_SCROLLBAR_MAX * ((double) (time0 - timeMin) / delta));
+ }
+
+ // position, minimum, maximum, thumb size, increment (half page)t, page
+ // increment size (full page)
+ getHorizontalBar().setValues(timePos, 0, H_SCROLLBAR_MAX, thumb, Math.max(1, thumb / 2), Math.max(2, thumb));
+ }
+
+ boolean ensureVisibleItem(int idx, boolean redraw) {
+ boolean changed = false;
+ int index = idx;
+ if (index < 0) {
+ for (index = 0; index < fItemData.fExpandedItems.length; index++) {
+ if (fItemData.fExpandedItems[index].fSelected) {
+ break;
+ }
+ }
+ }
+ if (index >= fItemData.fExpandedItems.length) {
+ return changed;
+ }
+ if (index < fTopIndex) {
+ setTopIndex(index);
+ if (redraw) {
+ redraw();
+ }
+ changed = true;
+ } else {
+ int page = countPerPage();
+ if (index >= fTopIndex + page) {
+ setTopIndex(index - page + 1);
+ if (redraw) {
+ redraw();
+ }
+ changed = true;
+ }
+ }
+ return changed;
+ }
+
+ /**
+ * Assign the given index as the top one
+ *
+ * @param idx
+ * The index
+ */
+ public void setTopIndex(int idx) {
+ int index = Math.min(idx, fItemData.fExpandedItems.length - countPerPage());
+ index = Math.max(0, index);
+ fTopIndex = index;
+ redraw();
+ }
+
+ /**
+ * Sets the auto-expand level to be used when the entries are refreshed
+ * using {@link #refreshData()} or {@link #refreshData(ITimeGraphEntry[])}.
+ * The value 0 means that there is no auto-expand; 1 means that top-level
+ * entries are expanded, but not their children; 2 means that top-level
+ * entries are expanded, and their children, but not grand-children; and so
+ * on.
+ * <p>
+ * The value {@link #ALL_LEVELS} means that all subtrees should be expanded.
+ * </p>
+ * @param level
+ * non-negative level, or <code>ALL_LEVELS</code> to expand all
+ * levels of the tree
+ * @since 3.1
+ */
+ public void setAutoExpandLevel(int level) {
+ fAutoExpandLevel = level;
+ }
+
+ /**
+ * Returns the auto-expand level.
+ *
+ * @return non-negative level, or <code>ALL_LEVELS</code> if all levels of
+ * the tree are expanded automatically
+ * @see #setAutoExpandLevel
+ * @since 3.1
+ */
+ public int getAutoExpandLevel() {
+ return fAutoExpandLevel;
+ }
+
+ /**
+ * Set the expanded state of a given entry
+ *
+ * @param entry
+ * The entry
+ * @param expanded
+ * True if expanded, false if collapsed
+ */
+ public void setExpandedState(ITimeGraphEntry entry, boolean expanded) {
+ Item item = fItemData.findItem(entry);
+ if (item != null && item.fExpanded != expanded) {
+ item.fExpanded = expanded;
+ fItemData.updateExpandedItems();
+ redraw();
+ }
+ }
+
+ /**
+ * Collapses all nodes of the viewer's tree, starting with the root.
+ *
+ * @since 2.0
+ */
+ public void collapseAll() {
+ for (Item item : fItemData.fItems) {
+ item.fExpanded = false;
+ }
+ fItemData.updateExpandedItems();
+ redraw();
+ }
+
+ /**
+ * Expands all nodes of the viewer's tree, starting with the root.
+ *
+ * @since 2.0
+ */
+ public void expandAll() {
+ for (Item item : fItemData.fItems) {
+ item.fExpanded = true;
+ }
+ fItemData.updateExpandedItems();
+ redraw();
+ }
+
+ /**
+ * Add a tree listener
+ *
+ * @param listener
+ * The listener to add
+ */
+ public void addTreeListener(ITimeGraphTreeListener listener) {
+ if (!fTreeListeners.contains(listener)) {
+ fTreeListeners.add(listener);
+ }
+ }
+
+ /**
+ * Remove a tree listener
+ *
+ * @param listener
+ * The listener to remove
+ */
+ public void removeTreeListener(ITimeGraphTreeListener listener) {
+ if (fTreeListeners.contains(listener)) {
+ fTreeListeners.remove(listener);
+ }
+ }
+
+ /**
+ * Tree event callback
+ *
+ * @param entry
+ * The affected entry
+ * @param expanded
+ * The expanded state (true for expanded, false for collapsed)
+ */
+ public void fireTreeEvent(ITimeGraphEntry entry, boolean expanded) {
+ TimeGraphTreeExpansionEvent event = new TimeGraphTreeExpansionEvent(this, entry);
+ for (ITimeGraphTreeListener listener : fTreeListeners) {
+ if (expanded) {
+ listener.treeExpanded(event);
+ } else {
+ listener.treeCollapsed(event);
+ }
+ }
+ }
+
+ /**
+ * Add a menu listener on {@link ITimeGraphEntry}s
+ * @param listener
+ * The listener to add
+ * @since 1.2
+ */
+ public void addTimeGraphEntryMenuListener(MenuDetectListener listener) {
+ if (!fTimeGraphEntryMenuListeners.contains(listener)) {
+ fTimeGraphEntryMenuListeners.add(listener);
+ }
+ }
+
+ /**
+ * Remove a menu listener on {@link ITimeGraphEntry}s
+ *
+ * @param listener
+ * The listener to remove
+ * @since 1.2
+ */
+ public void removeTimeGraphEntryMenuListener(MenuDetectListener listener) {
+ if (fTimeGraphEntryMenuListeners.contains(listener)) {
+ fTimeGraphEntryMenuListeners.remove(listener);
+ }
+ }
+
+ /**
+ * Menu event callback on {@link ITimeGraphEntry}s
+ *
+ * @param event
+ * The MenuDetectEvent, with field {@link TypedEvent#data} set to the selected {@link ITimeGraphEntry}
+ */
+ private void fireMenuEventOnTimeGraphEntry(MenuDetectEvent event) {
+ for (MenuDetectListener listener : fTimeGraphEntryMenuListeners) {
+ listener.menuDetected(event);
+ }
+ }
+
+ /**
+ * Add a menu listener on {@link ITimeEvent}s
+ *
+ * @param listener
+ * The listener to add
+ * @since 1.2
+ */
+ public void addTimeEventMenuListener(MenuDetectListener listener) {
+ if (!fTimeEventMenuListeners.contains(listener)) {
+ fTimeEventMenuListeners.add(listener);
+ }
+ }
+
+ /**
+ * Remove a menu listener on {@link ITimeEvent}s
+ *
+ * @param listener
+ * The listener to remove
+ * @since 1.2
+ */
+ public void removeTimeEventMenuListener(MenuDetectListener listener) {
+ if (fTimeEventMenuListeners.contains(listener)) {
+ fTimeEventMenuListeners.remove(listener);
+ }
+ }
+
+ /**
+ * Menu event callback on {@link ITimeEvent}s
+ *
+ * @param event
+ * The MenuDetectEvent, with field {@link TypedEvent#data} set to the selected {@link ITimeEvent}
+ */
+ private void fireMenuEventOnTimeEvent(MenuDetectEvent event) {
+ for (MenuDetectListener listener : fTimeEventMenuListeners) {
+ listener.menuDetected(event);
+ }
+ }
+
+ @Override
+ public ISelection getSelection() {
+ TimeGraphSelection sel = new TimeGraphSelection();
+ ITimeGraphEntry trace = getSelectedTrace();
+ if (null != trace && null != fTimeProvider) {
+ long selectedTime = fTimeProvider.getSelectionBegin();
+ ITimeEvent event = Utils.findEvent(trace, selectedTime, 0);
+ if (event != null) {
+ sel.add(event);
+ } else {
+ sel.add(trace);
+ }
+ }
+ return sel;
+ }
+
+ /**
+ * Get the selection object
+ *
+ * @return The selection
+ */
+ public ISelection getSelectionTrace() {
+ TimeGraphSelection sel = new TimeGraphSelection();
+ ITimeGraphEntry trace = getSelectedTrace();
+ if (null != trace) {
+ sel.add(trace);
+ }
+ return sel;
+ }
+
+ /**
+ * Enable/disable one of the traces in the model
+ *
+ * @param n
+ * 1 to enable it, -1 to disable. The method returns immediately
+ * if another value is used.
+ */
+ public void selectTrace(int n) {
+ if ((n != 1) && (n != -1)) {
+ return;
+ }
+
+ boolean changed = false;
+ int lastSelection = -1;
+ for (int i = 0; i < fItemData.fExpandedItems.length; i++) {
+ Item item = fItemData.fExpandedItems[i];
+ if (item.fSelected) {
+ lastSelection = i;
+ if ((1 == n) && (i < fItemData.fExpandedItems.length - 1)) {
+ item.fSelected = false;
+ item = fItemData.fExpandedItems[i + 1];
+ item.fSelected = true;
+ changed = true;
+ } else if ((-1 == n) && (i > 0)) {
+ item.fSelected = false;
+ item = fItemData.fExpandedItems[i - 1];
+ item.fSelected = true;
+ changed = true;
+ }
+ break;
+ }
+ }
+
+ if (lastSelection < 0 && fItemData.fExpandedItems.length > 0) {
+ Item item = fItemData.fExpandedItems[0];
+ item.fSelected = true;
+ changed = true;
+ }
+
+ if (changed) {
+ ensureVisibleItem(-1, false);
+ redraw();
+ fireSelectionChanged();
+ }
+ }
+
+ /**
+ * Select an event
+ *
+ * @param n
+ * 1 for next event, -1 for previous event
+ */
+ public void selectEvent(int n) {
+ if (null == fTimeProvider) {
+ return;
+ }
+ ITimeGraphEntry trace = getSelectedTrace();
+ if (trace == null) {
+ return;
+ }
+ long selectedTime = fTimeProvider.getSelectionBegin();
+ long endTime = fTimeProvider.getEndTime();
+ ITimeEvent nextEvent;
+ if (-1 == n && selectedTime > endTime) {
+ nextEvent = Utils.findEvent(trace, selectedTime, 0);
+ } else {
+ nextEvent = Utils.findEvent(trace, selectedTime, n);
+ }
+ if (null == nextEvent && -1 == n) {
+ nextEvent = Utils.getFirstEvent(trace);
+ }
+ if (null != nextEvent) {
+ long nextTime = nextEvent.getTime();
+ // If last event detected e.g. going back or not moving to a next
+ // event
+ if (nextTime <= selectedTime && n == 1) {
+ // Select to the end of this last event
+ nextTime = nextEvent.getTime() + nextEvent.getDuration();
+ // but not beyond the end of the trace
+ if (nextTime > endTime) {
+ nextTime = endTime;
+ }
+ } else if (n == -1 && nextEvent.getTime() + nextEvent.getDuration() < selectedTime) {
+ // for previous event go to its end time unless we were already there
+ nextTime = nextEvent.getTime() + nextEvent.getDuration();
+ }
+ fTimeProvider.setSelectedTimeNotify(nextTime, true);
+ fireSelectionChanged();
+ } else if (1 == n) {
+ fTimeProvider.setSelectedTimeNotify(endTime, true);
+ fireSelectionChanged();
+ }
+ }
+
+ /**
+ * Select the next event
+ */
+ public void selectNextEvent() {
+ selectEvent(1);
+ // Notify if visible time window has been adjusted
+ fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
+ }
+
+ /**
+ * Select the previous event
+ */
+ public void selectPrevEvent() {
+ selectEvent(-1);
+ // Notify if visible time window has been adjusted
+ fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
+ }
+
+ /**
+ * Select the next trace
+ */
+ public void selectNextTrace() {
+ selectTrace(1);
+ }
+
+ /**
+ * Select the previous trace
+ */
+ public void selectPrevTrace() {
+ selectTrace(-1);
+ }
+
+ /**
+ * Zoom based on mouse cursor location with mouse scrolling
+ *
+ * @param zoomIn true to zoom in, false to zoom out
+ */
+ public void zoom(boolean zoomIn) {
+ int globalX = getDisplay().getCursorLocation().x;
+ Point p = toControl(globalX, 0);
+ int nameSpace = fTimeProvider.getNameSpace();
+ int timeSpace = fTimeProvider.getTimeSpace();
+ int xPos = Math.max(nameSpace, Math.min(nameSpace + timeSpace, p.x));
+ long time0 = fTimeProvider.getTime0();
+ long time1 = fTimeProvider.getTime1();
+ long interval = time1 - time0;
+ if (interval == 0) {
+ interval = 1;
+ } // to allow getting out of single point interval
+ long newInterval;
+ if (zoomIn) {
+ newInterval = Math.max(Math.round(interval * ZOOM_IN_FACTOR), fTimeProvider.getMinTimeInterval());
+ } else {
+ newInterval = (long) Math.ceil(interval * ZOOM_OUT_FACTOR);
+ }
+ long center = time0 + Math.round(((double) (xPos - nameSpace) / timeSpace * interval));
+ long newTime0 = center - Math.round((double) newInterval * (center - time0) / interval);
+ long newTime1 = newTime0 + newInterval;
+ fTimeProvider.setStartFinishTime(newTime0, newTime1);
+ synchronized (fMouseScrollNotifierLock) {
+ if (fMouseScrollNotifier == null) {
+ fMouseScrollNotifier = new MouseScrollNotifier();
+ fMouseScrollNotifier.start();
+ }
+ fMouseScrollNotifier.mouseScrolled();
+ }
+ }
+
+ /**
+ * zoom in using single click
+ */
+ public void zoomIn() {
+ long prevTime0 = fTimeProvider.getTime0();
+ long prevTime1 = fTimeProvider.getTime1();
+ long prevRange = prevTime1 - prevTime0;
+ if (prevRange == 0) {
+ return;
+ }
+ ITimeDataProvider provider = fTimeProvider;
+ long selTime = (provider.getSelectionEnd() + provider.getSelectionBegin()) / 2;
+ if (selTime <= prevTime0 || selTime >= prevTime1) {
+ selTime = (prevTime0 + prevTime1) / 2;
+ }
+ long time0 = selTime - (long) ((selTime - prevTime0) / ZOOM_FACTOR);
+ long time1 = selTime + (long) ((prevTime1 - selTime) / ZOOM_FACTOR);
+
+ long inaccuracy = (fTimeProvider.getMaxTime() - fTimeProvider.getMinTime()) - (time1 - time0);
+
+ if (inaccuracy > 0 && inaccuracy < 100) {
+ fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getMinTime(), fTimeProvider.getMaxTime());
+ return;
+ }
+
+ long min = fTimeProvider.getMinTimeInterval();
+ if ((time1 - time0) < min) {
+ time0 = selTime - (selTime - prevTime0) * min / prevRange;
+ time1 = time0 + min;
+ }
+
+ fTimeProvider.setStartFinishTimeNotify(time0, time1);
+ }
+
+ /**
+ * zoom out using single click
+ */
+ public void zoomOut() {
+ long prevTime0 = fTimeProvider.getTime0();
+ long prevTime1 = fTimeProvider.getTime1();
+ ITimeDataProvider provider = fTimeProvider;
+ long selTime = (provider.getSelectionEnd() + provider.getSelectionBegin()) / 2;
+ if (selTime <= prevTime0 || selTime >= prevTime1) {
+ selTime = (prevTime0 + prevTime1) / 2;
+ }
+ long time0 = (long) (selTime - (selTime - prevTime0) * ZOOM_FACTOR);
+ long time1 = (long) (selTime + (prevTime1 - selTime) * ZOOM_FACTOR);
+
+ long inaccuracy = (fTimeProvider.getMaxTime() - fTimeProvider.getMinTime()) - (time1 - time0);
+ if (inaccuracy > 0 && inaccuracy < 100) {
+ fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getMinTime(), fTimeProvider.getMaxTime());
+ return;
+ }
+
+ fTimeProvider.setStartFinishTimeNotify(time0, time1);
+ }
+
+ /**
+ * Hide arrows
+ *
+ * @param hideArrows true to hide arrows
+ *
+ * @since 2.1
+ */
+ public void hideArrows(boolean hideArrows) {
+ fHideArrows = hideArrows;
+ }
+
+ /**
+ * Follow the arrow forward
+ *
+ * @since 2.1
+ */
+ public void followArrowFwd() {
+ ITimeGraphEntry trace = getSelectedTrace();
+ if (trace == null) {
+ return;
+ }
+ long selectedTime = fTimeProvider.getSelectionBegin();
+ for (ILinkEvent link : fItemData.fLinks) {
+ if (link.getEntry() == trace && link.getTime() == selectedTime) {
+ selectItem(link.getDestinationEntry(), false);
+ if (link.getDuration() != 0) {
+ fTimeProvider.setSelectedTimeNotify(link.getTime() + link.getDuration(), true);
+ // Notify if visible time window has been adjusted
+ fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
+ }
+ fireSelectionChanged();
+ return;
+ }
+ }
+ selectNextEvent();
+ }
+
+ /**
+ * Follow the arrow backward
+ *
+ * @since 2.1
+ */
+ public void followArrowBwd() {
+ ITimeGraphEntry trace = getSelectedTrace();
+ if (trace == null) {
+ return;
+ }
+ long selectedTime = fTimeProvider.getSelectionBegin();
+ for (ILinkEvent link : fItemData.fLinks) {
+ if (link.getDestinationEntry() == trace && link.getTime() + link.getDuration() == selectedTime) {
+ selectItem(link.getEntry(), false);
+ if (link.getDuration() != 0) {
+ fTimeProvider.setSelectedTimeNotify(link.getTime(), true);
+ // Notify if visible time window has been adjusted
+ fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
+ }
+ fireSelectionChanged();
+ return;
+ }
+ }
+ selectPrevEvent();
+ }
+
+ /**
+ * Return the currently selected trace
+ *
+ * @return The entry matching the trace
+ */
+ public ITimeGraphEntry getSelectedTrace() {
+ ITimeGraphEntry trace = null;
+ int idx = getSelectedIndex();
+ if (idx >= 0) {
+ trace = fItemData.fExpandedItems[idx].fEntry;
+ }
+ return trace;
+ }
+
+ /**
+ * Retrieve the index of the currently selected item
+ *
+ * @return The index
+ */
+ public int getSelectedIndex() {
+ int idx = -1;
+ for (int i = 0; i < fItemData.fExpandedItems.length; i++) {
+ Item item = fItemData.fExpandedItems[i];
+ if (item.fSelected) {
+ idx = i;
+ break;
+ }
+ }
+ return idx;
+ }
+
+ boolean toggle(int idx) {
+ boolean toggled = false;
+ if (idx >= 0 && idx < fItemData.fExpandedItems.length) {
+ Item item = fItemData.fExpandedItems[idx];
+ if (item.fHasChildren) {
+ item.fExpanded = !item.fExpanded;
+ fItemData.updateExpandedItems();
+ adjustScrolls();
+ redraw();
+ toggled = true;
+ fireTreeEvent(item.fEntry, item.fExpanded);
+ }
+ }
+ return toggled;
+ }
+
+ /**
+ * Gets the index of the item at the given location.
+ *
+ * @param y
+ * the y coordinate
+ * @return the index of the item at the given location, of -1 if none.
+ * @since 3.0
+ */
+ protected int getItemIndexAtY(int y) {
+ if (y < 0) {
+ return -1;
+ }
+ int ySum = 0;
+ for (int idx = fTopIndex; idx < fItemData.fExpandedItems.length; idx++) {
+ ySum += fItemData.fExpandedItems[idx].fItemHeight;
+ if (y < ySum) {
+ return idx;
+ }
+ }
+ return -1;
+ }
+
+ boolean isOverSplitLine(int x) {
+ if (x < 0 || null == fTimeProvider) {
+ return false;
+ }
+ int nameWidth = fTimeProvider.getNameSpace();
+ return Math.abs(x - nameWidth) < SNAP_WIDTH;
+ }
+
+ /**
+ * Gets the {@link ITimeGraphEntry} at the given location.
+ *
+ * @param pt
+ * a point in the widget
+ * @return the {@link ITimeGraphEntry} at this point, or <code>null</code>
+ * if none.
+ * @since 3.0
+ */
+ protected ITimeGraphEntry getEntry(Point pt) {
+ int idx = getItemIndexAtY(pt.y);
+ return idx >= 0 ? fItemData.fExpandedItems[idx].fEntry : null;
+ }
+
+ /**
+ * @since 2.0
+ */
+ @Override
+ public int getXForTime(long time) {
+ if (null == fTimeProvider) {
+ return -1;
+ }
+ long time0 = fTimeProvider.getTime0();
+ long time1 = fTimeProvider.getTime1();
+ int width = getCtrlSize().x;
+ int nameSpace = fTimeProvider.getNameSpace();
+ double pixelsPerNanoSec = (width - nameSpace <= RIGHT_MARGIN) ? 0 : (double) (width - nameSpace - RIGHT_MARGIN) / (time1 - time0);
+ int x = getBounds().x + nameSpace + (int) ((time - time0) * pixelsPerNanoSec);
+ return x;
+ }
+
+ /**
+ * @since 2.0
+ */
+ @Override
+ public long getTimeAtX(int coord) {
+ if (null == fTimeProvider) {
+ return -1;
+ }
+ long hitTime = -1;
+ Point size = getCtrlSize();
+ long time0 = fTimeProvider.getTime0();
+ long time1 = fTimeProvider.getTime1();
+ int nameWidth = fTimeProvider.getNameSpace();
+ final int x = coord - nameWidth;
+ int timeWidth = size.x - nameWidth - RIGHT_MARGIN;
+ if (x >= 0 && size.x >= nameWidth) {
+ if (time1 - time0 > timeWidth) {
+ // nanosecond smaller than one pixel: use the first integer nanosecond of this pixel's time range
+ hitTime = time0 + (long) Math.ceil((time1 - time0) * ((double) x / timeWidth));
+ } else {
+ // nanosecond greater than one pixel: use the nanosecond that covers this pixel start position
+ hitTime = time0 + (long) Math.floor((time1 - time0) * ((double) x / timeWidth));
+ }
+ }
+ return hitTime;
+ }
+
+ void selectItem(int idx, boolean addSelection) {
+ boolean changed = false;
+ if (addSelection) {
+ if (idx >= 0 && idx < fItemData.fExpandedItems.length) {
+ Item item = fItemData.fExpandedItems[idx];
+ changed = !item.fSelected;
+ item.fSelected = true;
+ }
+ } else {
+ for (int i = 0; i < fItemData.fExpandedItems.length; i++) {
+ Item item = fItemData.fExpandedItems[i];
+ if ((i == idx && !item.fSelected) || (idx == -1 && item.fSelected)) {
+ changed = true;
+ }
+ item.fSelected = i == idx;
+ }
+ }
+ changed |= ensureVisibleItem(idx, true);
+ if (changed) {
+ redraw();
+ }
+ }
+
+ /**
+ * Callback for item selection
+ *
+ * @param trace
+ * The entry matching the trace
+ * @param addSelection
+ * If the selection is added or removed
+ */
+ public void selectItem(ITimeGraphEntry trace, boolean addSelection) {
+ int idx = fItemData.findItemIndex(trace);
+ selectItem(idx, addSelection);
+ }
+
+ /**
+ * Retrieve the number of entries shown per page.
+ *
+ * @return The count
+ */
+ public int countPerPage() {
+ int height = getCtrlSize().y;
+ int count = 0;
+ int ySum = 0;
+ for (int idx = fTopIndex; idx < fItemData.fExpandedItems.length; idx++) {
+ ySum += fItemData.fExpandedItems[idx].fItemHeight;
+ if (ySum >= height) {
+ return count;
+ }
+ count++;
+ }
+ for (int idx = fTopIndex - 1; idx >= 0; idx--) {
+ ySum += fItemData.fExpandedItems[idx].fItemHeight;
+ if (ySum >= height) {
+ return count;
+ }
+ count++;
+ }
+ return count;
+ }
+
+ /**
+ * Get the index of the top element
+ *
+ * @return The index
+ */
+ public int getTopIndex() {
+ return fTopIndex;
+ }
+
+ /**
+ * Get the number of expanded items
+ *
+ * @return The count of expanded items
+ */
+ public int getExpandedElementCount() {
+ return fItemData.fExpandedItems.length;
+ }
+
+ /**
+ * Get an array of all expanded elements
+ *
+ * @return The expanded elements
+ */
+ public ITimeGraphEntry[] getExpandedElements() {
+ ArrayList<ITimeGraphEntry> elements = new ArrayList<>();
+ for (Item item : fItemData.fExpandedItems) {
+ elements.add(item.fEntry);
+ }
+ return elements.toArray(new ITimeGraphEntry[0]);
+ }
+
+ Point getCtrlSize() {
+ Point size = getSize();
+ if (getHorizontalBar().isVisible()) {
+ size.y -= getHorizontalBar().getSize().y;
+ }
+ return size;
+ }
+
+ Rectangle getNameRect(Rectangle bound, int idx, int nameWidth) {
+ Rectangle rect = getStatesRect(bound, idx, nameWidth);
+ rect.x = bound.x;
+ rect.width = nameWidth;
+ return rect;
+ }
+
+ Rectangle getStatesRect(Rectangle bound, int idx, int nameWidth) {
+ int x = bound.x + nameWidth;
+ int width = bound.width - x;
+ int ySum = 0;
+ if (idx >= fTopIndex) {
+ for (int i = fTopIndex; i < idx; i++) {
+ ySum += fItemData.fExpandedItems[i].fItemHeight;
+ }
+ } else {
+ for (int i = fTopIndex - 1; i >= idx; i--) {
+ ySum -= fItemData.fExpandedItems[i].fItemHeight;
+ }
+ }
+ int y = bound.y + ySum;
+ int height = fItemData.fExpandedItems[idx].fItemHeight;
+ return new Rectangle(x, y, width, height);
+ }
+
+ @Override
+ void paint(Rectangle bounds, PaintEvent e) {
+ GC gc = e.gc;
+ gc.setBackground(getColorScheme().getColor(TimeGraphColorScheme.BACKGROUND));
+ drawBackground(gc, bounds.x, bounds.y, bounds.width, bounds.height);
+
+ if (bounds.width < 2 || bounds.height < 2 || null == fTimeProvider) {
+ return;
+ }
+
+ fIdealNameSpace = 0;
+ int nameSpace = fTimeProvider.getNameSpace();
+
+ // draw empty name space background
+ gc.setBackground(getColorScheme().getBkColor(false, false, true));
+ drawBackground(gc, bounds.x, bounds.y, nameSpace, bounds.height);
+
+ // draw items
+ drawItems(bounds, fTimeProvider, fItemData.fExpandedItems, fTopIndex, nameSpace, gc);
+ drawLinks(bounds, fTimeProvider, fItemData.fLinks, nameSpace, gc);
+ fTimeGraphProvider.postDrawControl(bounds, gc);
+
+ int alpha = gc.getAlpha();
+ gc.setAlpha(100);
+
+ long time0 = fTimeProvider.getTime0();
+ long time1 = fTimeProvider.getTime1();
+ long selectionBegin = fTimeProvider.getSelectionBegin();
+ long selectionEnd = fTimeProvider.getSelectionEnd();
+ double pixelsPerNanoSec = (bounds.width - nameSpace <= RIGHT_MARGIN) ? 0 : (double) (bounds.width - nameSpace - RIGHT_MARGIN) / (time1 - time0);
+ int x0 = bounds.x + nameSpace + (int) ((selectionBegin - time0) * pixelsPerNanoSec);
+ int x1 = bounds.x + nameSpace + (int) ((selectionEnd - time0) * pixelsPerNanoSec);
+
+ // draw selection lines
+ if (fDragState != DRAG_SELECTION) {
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.SELECTED_TIME));
+ if (x0 >= nameSpace && x0 < bounds.x + bounds.width) {
+ gc.drawLine(x0, bounds.y, x0, bounds.y + bounds.height);
+ }
+ if (x1 != x0) {
+ if (x1 >= nameSpace && x1 < bounds.x + bounds.width) {
+ gc.drawLine(x1, bounds.y, x1, bounds.y + bounds.height);
+ }
+ }
+ }
+
+ // draw selection background
+ if (selectionBegin != 0 && selectionEnd != 0 && fDragState != DRAG_SELECTION) {
+ x0 = Math.max(nameSpace, Math.min(bounds.x + bounds.width, x0));
+ x1 = Math.max(nameSpace, Math.min(bounds.x + bounds.width, x1));
+ gc.setBackground(getColorScheme().getBkColor(false, false, true));
+ if (x1 - x0 > 1) {
+ gc.fillRectangle(new Rectangle(x0 + 1, bounds.y, x1 - x0 - 1, bounds.height));
+ } else if (x0 - x1 > 1) {
+ gc.fillRectangle(new Rectangle(x1 + 1, bounds.y, x0 - x1 - 1, bounds.height));
+ }
+ }
+
+ // draw drag selection background
+ if (fDragState == DRAG_ZOOM || fDragState == DRAG_SELECTION) {
+ gc.setBackground(getColorScheme().getBkColor(false, false, true));
+ if (fDragX0 < fDragX) {
+ gc.fillRectangle(new Rectangle(fDragX0, bounds.y, fDragX - fDragX0, bounds.height));
+ } else if (fDragX0 > fDragX) {
+ gc.fillRectangle(new Rectangle(fDragX, bounds.y, fDragX0 - fDragX, bounds.height));
+ }
+ }
+
+ // draw drag line
+ if (DRAG_SPLIT_LINE == fDragState) {
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.BLACK));
+ gc.drawLine(bounds.x + nameSpace, bounds.y, bounds.x + nameSpace, bounds.y + bounds.height - 1);
+ } else if (DRAG_ZOOM == fDragState && Math.max(fDragX, fDragX0) > nameSpace) {
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.TOOL_FOREGROUND));
+ gc.drawLine(fDragX0, bounds.y, fDragX0, bounds.y + bounds.height - 1);
+ if (fDragX != fDragX0) {
+ gc.drawLine(fDragX, bounds.y, fDragX, bounds.y + bounds.height - 1);
+ }
+ } else if (DRAG_SELECTION == fDragState && Math.max(fDragX, fDragX0) > nameSpace) {
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.SELECTED_TIME));
+ gc.drawLine(fDragX0, bounds.y, fDragX0, bounds.y + bounds.height - 1);
+ if (fDragX != fDragX0) {
+ gc.drawLine(fDragX, bounds.y, fDragX, bounds.y + bounds.height - 1);
+ }
+ } else if (DRAG_NONE == fDragState && fMouseOverSplitLine && fTimeProvider.getNameSpace() > 0) {
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.RED));
+ gc.drawLine(bounds.x + nameSpace, bounds.y, bounds.x + nameSpace, bounds.y + bounds.height - 1);
+ }
+
+ gc.setAlpha(alpha);
+ }
+
+ /**
+ * Draw many items at once
+ *
+ * @param bounds
+ * The rectangle of the area
+ * @param timeProvider
+ * The time provider
+ * @param items
+ * The array items to draw
+ * @param topIndex
+ * The index of the first element to draw
+ * @param nameSpace
+ * The width reserved for the names
+ * @param gc
+ * Reference to the SWT GC object
+ */
+ public void drawItems(Rectangle bounds, ITimeDataProvider timeProvider,
+ Item[] items, int topIndex, int nameSpace, GC gc) {
+ for (int i = topIndex; i < items.length; i++) {
+ Item item = items[i];
+ drawItem(item, bounds, timeProvider, i, nameSpace, gc);
+ }
+ }
+
+ /**
+ * Draws the item
+ *
+ * @param item the item to draw
+ * @param bounds the container rectangle
+ * @param timeProvider Time provider
+ * @param i the item index
+ * @param nameSpace the name space
+ * @param gc Graphics context
+ */
+ protected void drawItem(Item item, Rectangle bounds, ITimeDataProvider timeProvider, int i, int nameSpace, GC gc) {
+ ITimeGraphEntry entry = item.fEntry;
+ long time0 = timeProvider.getTime0();
+ long time1 = timeProvider.getTime1();
+ long selectedTime = fTimeProvider.getSelectionBegin();
+
+ Rectangle nameRect = getNameRect(bounds, i, nameSpace);
+ if (nameRect.y >= bounds.y + bounds.height) {
+ return;
+ }
+
+ if (! item.fEntry.hasTimeEvents()) {
+ Rectangle statesRect = getStatesRect(bounds, i, nameSpace);
+ nameRect.width += statesRect.width;
+ drawName(item, nameRect, gc);
+ } else {
+ drawName(item, nameRect, gc);
+ }
+ Rectangle rect = getStatesRect(bounds, i, nameSpace);
+ if (rect.isEmpty()) {
+ fTimeGraphProvider.postDrawEntry(entry, rect, gc);
+ return;
+ }
+ if (time1 <= time0) {
+ gc.setBackground(getColorScheme().getBkColor(false, false, false));
+ gc.fillRectangle(rect);
+ fTimeGraphProvider.postDrawEntry(entry, rect, gc);
+ return;
+ }
+
+ // Initialize _rect1 to same values as enclosing rectangle rect
+ Rectangle stateRect = Utils.clone(rect);
+ boolean selected = item.fSelected;
+ // K pixels per second
+ double pixelsPerNanoSec = (rect.width <= RIGHT_MARGIN) ? 0 : (double) (rect.width - RIGHT_MARGIN) / (time1 - time0);
+
+ if (item.fEntry.hasTimeEvents()) {
+ fillSpace(rect, gc, selected);
+ // Drawing rectangle is smaller than reserved space
+ stateRect.y += 3;
+ stateRect.height -= 6;
+
+ long maxDuration = (timeProvider.getTimeSpace() == 0) ? Long.MAX_VALUE : 1 * (time1 - time0) / timeProvider.getTimeSpace();
+ Iterator<ITimeEvent> iterator = entry.getTimeEventsIterator(time0, time1, maxDuration);
+
+ int lastX = -1;
+ while (iterator.hasNext()) {
+ ITimeEvent event = iterator.next();
+ int x = rect.x + (int) ((event.getTime() - time0) * pixelsPerNanoSec);
+ int xEnd = rect.x + (int) ((event.getTime() + event.getDuration() - time0) * pixelsPerNanoSec);
+ if (x >= rect.x + rect.width || xEnd < rect.x) {
+ // event is out of bounds
+ continue;
+ }
+ xEnd = Math.min(rect.x + rect.width, xEnd);
+ stateRect.x = Math.max(rect.x, x);
+ stateRect.width = Math.max(0, xEnd - stateRect.x + 1);
+ if (stateRect.x == lastX) {
+ stateRect.width -= 1;
+ if (stateRect.width > 0) {
+ gc.setForeground(Display.getDefault().getSystemColor(SWT.COLOR_BLACK));
+ gc.drawPoint(stateRect.x, stateRect.y - 2);
+ stateRect.x += 1;
+ }
+ }
+ boolean timeSelected = selectedTime >= event.getTime() && selectedTime < event.getTime() + event.getDuration();
+ if (drawState(getColorScheme(), event, stateRect, gc, selected, timeSelected)) {
+ lastX = x;
+ }
+ }
+ }
+ fTimeGraphProvider.postDrawEntry(entry, rect, gc);
+ }
+
+ /**
+ * Draw the links
+ *
+ * @param bounds
+ * The rectangle of the area
+ * @param timeProvider
+ * The time provider
+ * @param links
+ * The array items to draw
+ * @param nameSpace
+ * The width reserved for the names
+ * @param gc
+ * Reference to the SWT GC object
+ * @since 2.1
+ */
+ public void drawLinks(Rectangle bounds, ITimeDataProvider timeProvider,
+ List<ILinkEvent> links, int nameSpace, GC gc) {
+ if (fHideArrows) {
+ return;
+ }
+ for (ILinkEvent event : links) {
+ drawLink(event, bounds, timeProvider, nameSpace, gc);
+ }
+ }
+
+ /**
+ * Draws the link type events of this item
+ *
+ * @param event
+ * the item to draw
+ * @param bounds
+ * the container rectangle
+ * @param timeProvider
+ * Time provider
+ * @param nameSpace
+ * the name space
+ * @param gc
+ * Graphics context
+ * @since 2.1
+ */
+ protected void drawLink(ILinkEvent event, Rectangle bounds, ITimeDataProvider timeProvider, int nameSpace, GC gc) {
+ int srcIndex = fItemData.findItemIndex(event.getEntry());
+ int destIndex = fItemData.findItemIndex(event.getDestinationEntry());
+
+ if ((srcIndex == -1) || (destIndex == -1)) {
+ return;
+ }
+
+ Rectangle src = getStatesRect(bounds, srcIndex, nameSpace);
+ Rectangle dst = getStatesRect(bounds, destIndex, nameSpace);
+
+ int x0 = getXForTime(event.getTime());
+ int x1 = getXForTime(event.getTime() + event.getDuration());
+
+ // limit the x-coordinates to prevent integer overflow in calculations
+ // and also GC.drawLine doesn't draw properly with large coordinates
+ final int limit = Integer.MAX_VALUE / 1024;
+ x0 = Math.max(-limit, Math.min(x0, limit));
+ x1 = Math.max(-limit, Math.min(x1, limit));
+
+ int y0 = src.y + src.height / 2;
+ int y1 = dst.y + dst.height / 2;
+ drawArrow(getColorScheme(), event, new Rectangle(x0, y0, x1 - x0, y1 - y0), gc);
+ }
+
+ /**
+ * Draw the state (color fill)
+ *
+ * @param colors
+ * Color scheme
+ * @param event
+ * Time event for which we're drawing the state
+ * @param rect
+ * Where to draw
+ * @param gc
+ * Graphics context
+ * @return true if the state was drawn
+ * @since 2.1
+ */
+ protected boolean drawArrow(TimeGraphColorScheme colors, ITimeEvent event,
+ Rectangle rect, GC gc) {
+
+ int colorIdx = fTimeGraphProvider.getStateTableIndex(event);
+ if (colorIdx < 0) {
+ return false;
+ }
+ boolean visible = ((rect.height == 0) && (rect.width == 0)) ? false : true;
+
+ if (visible) {
+ Color stateColor = null;
+ if (colorIdx < fEventColorMap.length) {
+ stateColor = fEventColorMap[colorIdx];
+ } else {
+ stateColor = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
+ }
+
+ gc.setForeground(stateColor);
+ gc.setBackground(stateColor);
+
+ /* Draw the arrow */
+ gc.drawLine(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height);
+ drawArrowHead(rect.x, rect.y, rect.x + rect.width, rect.y + rect.height, gc);
+
+ }
+ fTimeGraphProvider.postDrawEvent(event, rect, gc);
+ return visible;
+ }
+
+ /*
+ * @author Francis Giraldeau
+ *
+ * Inspiration:
+ * http://stackoverflow.com/questions/3010803/draw-arrow-on-line-algorithm
+ *
+ * The algorithm was taken from this site, not the code itself
+ */
+ private static void drawArrowHead(int x0, int y0, int x1, int y1, GC gc)
+ {
+ int factor = 10;
+ double cos = 0.9510;
+ double sin = 0.3090;
+ long lenx = x1 - x0;
+ long leny = y1 - y0;
+ double len = Math.sqrt(lenx * lenx + leny * leny);
+
+ double dx = factor * lenx / len;
+ double dy = factor * leny / len;
+ int end1X = (int) Math.round((x1 - (dx * cos + dy * -sin)));
+ int end1Y = (int) Math.round((y1 - (dx * sin + dy * cos)));
+ int end2X = (int) Math.round((x1 - (dx * cos + dy * sin)));
+ int end2Y = (int) Math.round((y1 - (dx * -sin + dy * cos)));
+ int[] arrow = new int[] { x1, y1, end1X, end1Y, end2X, end2Y, x1, y1 };
+ gc.fillPolygon(arrow);
+ }
+
+ /**
+ * Draw the name of an item.
+ *
+ * @param item
+ * Item object
+ * @param bounds
+ * Where to draw the name
+ * @param gc
+ * Graphics context
+ */
+ protected void drawName(Item item, Rectangle bounds, GC gc) {
+ boolean hasTimeEvents = item.fEntry.hasTimeEvents();
+ if (! hasTimeEvents) {
+ gc.setBackground(getColorScheme().getBkColorGroup(item.fSelected, fIsInFocus));
+ gc.fillRectangle(bounds);
+ if (item.fSelected && fIsInFocus) {
+ gc.setForeground(getColorScheme().getBkColor(item.fSelected, fIsInFocus, false));
+ gc.drawRectangle(bounds.x, bounds.y, bounds.width - 1, bounds.height - 1);
+ }
+ } else {
+ gc.setBackground(getColorScheme().getBkColor(item.fSelected, fIsInFocus, true));
+ gc.setForeground(getColorScheme().getFgColor(item.fSelected, fIsInFocus));
+ gc.fillRectangle(bounds);
+ }
+
+ // No name to be drawn
+ if (fTimeProvider.getNameSpace() == 0) {
+ return;
+ }
+
+ int leftMargin = MARGIN + item.fLevel * EXPAND_SIZE;
+ if (item.fHasChildren) {
+ gc.setForeground(getColorScheme().getFgColorGroup(false, false));
+ gc.setBackground(getColorScheme().getBkColor(false, false, false));
+ Rectangle rect = Utils.clone(bounds);
+ rect.x += leftMargin;
+ rect.y += (bounds.height - EXPAND_SIZE) / 2;
+ rect.width = EXPAND_SIZE;
+ rect.height = EXPAND_SIZE;
+ gc.fillRectangle(rect);
+ gc.drawRectangle(rect.x, rect.y, rect.width - 1, rect.height - 1);
+ int midy = rect.y + rect.height / 2;
+ gc.drawLine(rect.x + 2, midy, rect.x + rect.width - 3, midy);
+ if (!item.fExpanded) {
+ int midx = rect.x + rect.width / 2;
+ gc.drawLine(midx, rect.y + 2, midx, rect.y + rect.height - 3);
+ }
+ }
+ leftMargin += EXPAND_SIZE + MARGIN;
+
+ Image img = fTimeGraphProvider.getItemImage(item.fEntry);
+ if (img != null) {
+ // draw icon
+ int imgHeight = img.getImageData().height;
+ int imgWidth = img.getImageData().width;
+ int x = leftMargin;
+ int y = bounds.y + (bounds.height - imgHeight) / 2;
+ gc.drawImage(img, x, y);
+ leftMargin += imgWidth + MARGIN;
+ }
+ String name = item.fName;
+ Point size = gc.stringExtent(name);
+ if (fIdealNameSpace < leftMargin + size.x + MARGIN) {
+ fIdealNameSpace = leftMargin + size.x + MARGIN;
+ }
+ if (hasTimeEvents) {
+ // cut long string with "..."
+ int width = bounds.width - leftMargin;
+ int cuts = 0;
+ while (size.x > width && name.length() > 1) {
+ cuts++;
+ name = name.substring(0, name.length() - 1);
+ size = gc.stringExtent(name + "..."); //$NON-NLS-1$
+ }
+ if (cuts > 0) {
+ name += "..."; //$NON-NLS-1$
+ }
+ }
+ Rectangle rect = Utils.clone(bounds);
+ rect.x += leftMargin;
+ rect.width -= leftMargin;
+ // draw text
+ if (rect.width > 0) {
+ rect.y += (bounds.height - gc.stringExtent(name).y) / 2;
+ gc.setForeground(getColorScheme().getFgColor(item.fSelected, fIsInFocus));
+ int textWidth = Utils.drawText(gc, name, rect, true);
+ leftMargin += textWidth + MARGIN;
+ rect.y -= 2;
+
+ if (hasTimeEvents) {
+ // draw middle line
+ int x = bounds.x + leftMargin;
+ int width = bounds.width - x;
+ int midy = bounds.y + bounds.height / 2;
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.MID_LINE));
+ gc.drawLine(x, midy, x + width, midy);
+ }
+ }
+ }
+
+ /**
+ * Draw the state (color fill)
+ *
+ * @param colors
+ * Color scheme
+ * @param event
+ * Time event for which we're drawing the state
+ * @param rect
+ * Where to draw
+ * @param gc
+ * Graphics context
+ * @param selected
+ * Is this time event currently selected (so it appears
+ * highlighted)
+ * @param timeSelected
+ * Is the timestamp currently selected
+ * @return true if the state was drawn
+ * @since 2.0
+ */
+ protected boolean drawState(TimeGraphColorScheme colors, ITimeEvent event,
+ Rectangle rect, GC gc, boolean selected, boolean timeSelected) {
+
+ int colorIdx = fTimeGraphProvider.getStateTableIndex(event);
+ if (colorIdx < 0 && colorIdx != ITimeGraphPresentationProvider.TRANSPARENT) {
+ return false;
+ }
+ boolean visible = rect.width == 0 ? false : true;
+ Color black = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
+ gc.setForeground(black);
+
+ if (visible) {
+ if (colorIdx == ITimeGraphPresentationProvider.TRANSPARENT) {
+ // Only draw the top and bottom borders
+ gc.drawLine(rect.x, rect.y, rect.x + rect.width - 1, rect.y);
+ gc.drawLine(rect.x, rect.y + rect.height - 1, rect.x + rect.width - 1, rect.y + rect.height - 1);
+ if (rect.width == 1) {
+ gc.drawPoint(rect.x, rect.y - 2);
+ }
+ return false;
+ }
+ Color stateColor = null;
+ if (colorIdx < fEventColorMap.length) {
+ stateColor = fEventColorMap[colorIdx];
+ } else {
+ stateColor = black;
+ }
+
+ boolean reallySelected = timeSelected && selected;
+ // fill all rect area
+ gc.setBackground(stateColor);
+ gc.fillRectangle(rect);
+
+ if (reallySelected) {
+ gc.drawLine(rect.x, rect.y - 1, rect.x + rect.width - 1, rect.y - 1);
+ gc.drawLine(rect.x, rect.y + rect.height, rect.x + rect.width - 1, rect.y + rect.height);
+ }
+ } else {
+ gc.drawPoint(rect.x, rect.y - 2);
+ }
+ fTimeGraphProvider.postDrawEvent(event, rect, gc);
+ return visible;
+ }
+
+ /**
+ * Fill the space between two contiguous time events
+ *
+ * @param rect
+ * Rectangle to fill
+ * @param gc
+ * Graphics context
+ * @param selected
+ * Is this time event selected or not
+ */
+ protected void fillSpace(Rectangle rect, GC gc, boolean selected) {
+ gc.setBackground(getColorScheme().getBkColor(selected, fIsInFocus, false));
+ gc.fillRectangle(rect);
+ if (fDragState == DRAG_ZOOM) {
+ gc.setBackground(getColorScheme().getBkColor(selected, fIsInFocus, true));
+ if (fDragX0 < fDragX) {
+ gc.fillRectangle(new Rectangle(fDragX0, rect.y, fDragX - fDragX0, rect.height));
+ } else if (fDragX0 > fDragX) {
+ gc.fillRectangle(new Rectangle(fDragX, rect.y, fDragX0 - fDragX, rect.height));
+ }
+ }
+ // draw middle line
+ gc.setForeground(getColorScheme().getColor(TimeGraphColorScheme.MID_LINE));
+ int midy = rect.y + rect.height / 2;
+ gc.drawLine(rect.x, midy, rect.x + rect.width, midy);
+ }
+
+ @Override
+ public void keyTraversed(TraverseEvent e) {
+ if ((e.detail == SWT.TRAVERSE_TAB_NEXT) || (e.detail == SWT.TRAVERSE_TAB_PREVIOUS)) {
+ e.doit = true;
+ }
+ }
+
+ @Override
+ public void keyPressed(KeyEvent e) {
+ int idx = -1;
+ if (fItemData.fExpandedItems.length == 0) {
+ return;
+ }
+ if (SWT.HOME == e.keyCode) {
+ idx = 0;
+ } else if (SWT.END == e.keyCode) {
+ idx = fItemData.fExpandedItems.length - 1;
+ } else if (SWT.ARROW_DOWN == e.keyCode) {
+ idx = getSelectedIndex();
+ if (idx < 0) {
+ idx = 0;
+ } else if (idx < fItemData.fExpandedItems.length - 1) {
+ idx++;
+ }
+ } else if (SWT.ARROW_UP == e.keyCode) {
+ idx = getSelectedIndex();
+ if (idx < 0) {
+ idx = 0;
+ } else if (idx > 0) {
+ idx--;
+ }
+ } else if (SWT.ARROW_LEFT == e.keyCode) {
+ selectPrevEvent();
+ } else if (SWT.ARROW_RIGHT == e.keyCode) {
+ selectNextEvent();
+ } else if (SWT.PAGE_DOWN == e.keyCode) {
+ int page = countPerPage();
+ idx = getSelectedIndex();
+ if (idx < 0) {
+ idx = 0;
+ }
+ idx += page;
+ if (idx >= fItemData.fExpandedItems.length) {
+ idx = fItemData.fExpandedItems.length - 1;
+ }
+ } else if (SWT.PAGE_UP == e.keyCode) {
+ int page = countPerPage();
+ idx = getSelectedIndex();
+ if (idx < 0) {
+ idx = 0;
+ }
+ idx -= page;
+ if (idx < 0) {
+ idx = 0;
+ }
+ } else if (SWT.CR == e.keyCode) {
+ idx = getSelectedIndex();
+ if (idx >= 0) {
+ if (fItemData.fExpandedItems[idx].fHasChildren) {
+ toggle(idx);
+ } else {
+ fireDefaultSelection();
+ }
+ }
+ idx = -1;
+ }
+ if (idx >= 0) {
+ selectItem(idx, false);
+ fireSelectionChanged();
+ }
+ int x = toControl(e.display.getCursorLocation()).x;
+ updateCursor(x, e.stateMask | e.keyCode);
+ }
+
+ @Override
+ public void keyReleased(KeyEvent e) {
+ int x = toControl(e.display.getCursorLocation()).x;
+ updateCursor(x, e.stateMask & ~e.keyCode);
+ }
+
+ @Override
+ public void focusGained(FocusEvent e) {
+ fIsInFocus = true;
+ if (fMouseScrollFilterListener == null) {
+ fMouseScrollFilterListener = new Listener() {
+ // This filter is used to prevent horizontal scrolling of the view
+ // when the mouse wheel is used to zoom
+ @Override
+ public void handleEvent(Event event) {
+ event.doit = false;
+ }
+ };
+ getDisplay().addFilter(SWT.MouseWheel, fMouseScrollFilterListener);
+ }
+ redraw();
+ updateStatusLine(NO_STATUS);
+ }
+
+ @Override
+ public void focusLost(FocusEvent e) {
+ fIsInFocus = false;
+ if (fMouseScrollFilterListener != null) {
+ getDisplay().removeFilter(SWT.MouseWheel, fMouseScrollFilterListener);
+ fMouseScrollFilterListener = null;
+ }
+ if (DRAG_NONE != fDragState) {
+ setCapture(false);
+ fDragState = DRAG_NONE;
+ }
+ redraw();
+ updateStatusLine(NO_STATUS);
+ }
+
+ /**
+ * @return If the current view is focused
+ */
+ public boolean isInFocus() {
+ return fIsInFocus;
+ }
+
+ /**
+ * Provide the possibility to control the wait cursor externally e.g. data
+ * requests in progress
+ *
+ * @param waitInd Should we wait indefinitely?
+ */
+ public void waitCursor(boolean waitInd) {
+ // Update cursor as indicated
+ if (waitInd) {
+ setCursor(fWaitCursor);
+ } else {
+ setCursor(null);
+ }
+ }
+
+ private void updateCursor(int x, int stateMask) {
+ // if Wait cursor not active, check for the need to change the cursor
+ if (getCursor() == fWaitCursor) {
+ return;
+ }
+ Cursor cursor = null;
+ if (fDragState == DRAG_SPLIT_LINE) {
+ } else if (fDragState == DRAG_SELECTION) {
+ cursor = fResizeCursor;
+ } else if (fDragState == DRAG_TRACE_ITEM) {
+ cursor = fDragCursor;
+ } else if (fDragState == DRAG_ZOOM) {
+ cursor = fZoomCursor;
+ } else if ((stateMask & SWT.MODIFIER_MASK) == SWT.CTRL) {
+ cursor = fDragCursor;
+ } else if ((stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT) {
+ cursor = fResizeCursor;
+ } else if (!isOverSplitLine(x)) {
+ long selectionBegin = fTimeProvider.getSelectionBegin();
+ long selectionEnd = fTimeProvider.getSelectionEnd();
+ int xBegin = getXForTime(selectionBegin);
+ int xEnd = getXForTime(selectionEnd);
+ if (Math.abs(x - xBegin) < SNAP_WIDTH || Math.abs(x - xEnd) < SNAP_WIDTH) {
+ cursor = fResizeCursor;
+ }
+ }
+ if (getCursor() != cursor) {
+ setCursor(cursor);
+ }
+ }
+
+ private void updateStatusLine(int x) {
+ if (fStatusLineManager == null || null == fTimeProvider ||
+ fTimeProvider.getTime0() == fTimeProvider.getTime1()) {
+ return;
+ }
+ StringBuilder message = new StringBuilder();
+ if (x >= 0 && fDragState == DRAG_NONE) {
+ long time = getTimeAtX(x);
+ if (time >= 0) {
+ message.append("T: "); //$NON-NLS-1$
+ message.append(new TmfNanoTimestamp(time).toString());
+ message.append(" T1: "); //$NON-NLS-1$
+ long selectionBegin = fTimeProvider.getSelectionBegin();
+ long selectionEnd = fTimeProvider.getSelectionEnd();
+ message.append(new TmfNanoTimestamp(Math.min(selectionBegin, selectionEnd)).toString());
+ if (selectionBegin != selectionEnd) {
+ message.append(" T2: "); //$NON-NLS-1$
+ message.append(new TmfNanoTimestamp(Math.max(selectionBegin, selectionEnd)).toString());
+ message.append(" \u0394: "); //$NON-NLS-1$
+ message.append(new TmfTimestampDelta(Math.abs(selectionBegin - selectionEnd), ITmfTimestamp.NANOSECOND_SCALE));
+ }
+ }
+ } else if (fDragState == DRAG_SELECTION || fDragState == DRAG_ZOOM) {
+ long time0 = fDragTime0;
+ long time = getTimeAtX(fDragX);
+ message.append("T1: "); //$NON-NLS-1$
+ message.append(new TmfNanoTimestamp(Math.min(time, time0)).toString());
+ if (time != time0) {
+ message.append(" T2: "); //$NON-NLS-1$
+ message.append(new TmfNanoTimestamp(Math.max(time, time0)).toString());
+ message.append(" \u0394: "); //$NON-NLS-1$
+ message.append(new TmfTimestampDelta(Math.abs(time - time0), ITmfTimestamp.NANOSECOND_SCALE));
+ }
+ }
+ fStatusLineManager.setMessage(message.toString());
+ }
+
+ @Override
+ public void mouseMove(MouseEvent e) {
+ if (null == fTimeProvider) {
+ return;
+ }
+ Point size = getCtrlSize();
+ if (DRAG_TRACE_ITEM == fDragState) {
+ int nameWidth = fTimeProvider.getNameSpace();
+ if (e.x > nameWidth && size.x > nameWidth && fDragX != e.x) {
+ fDragX = e.x;
+ double pixelsPerNanoSec = (size.x - nameWidth <= RIGHT_MARGIN) ? 0 : (double) (size.x - nameWidth - RIGHT_MARGIN) / (fTime1bak - fTime0bak);
+ long timeDelta = (long) ((pixelsPerNanoSec == 0) ? 0 : ((fDragX - fDragX0) / pixelsPerNanoSec));
+ long time1 = fTime1bak - timeDelta;
+ long maxTime = fTimeProvider.getMaxTime();
+ if (time1 > maxTime) {
+ time1 = maxTime;
+ }
+ long time0 = time1 - (fTime1bak - fTime0bak);
+ if (time0 < fTimeProvider.getMinTime()) {
+ time0 = fTimeProvider.getMinTime();
+ time1 = time0 + (fTime1bak - fTime0bak);
+ }
+ fTimeProvider.setStartFinishTime(time0, time1);
+ }
+ } else if (DRAG_SPLIT_LINE == fDragState) {
+ fDragX = e.x;
+ fTimeProvider.setNameSpace(e.x);
+ } else if (DRAG_SELECTION == fDragState) {
+ fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN);
+ redraw();
+ fTimeGraphScale.setDragRange(fDragX0, fDragX);
+ } else if (DRAG_ZOOM == fDragState) {
+ fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN);
+ redraw();
+ fTimeGraphScale.setDragRange(fDragX0, fDragX);
+ } else if (DRAG_NONE == fDragState) {
+ boolean mouseOverSplitLine = isOverSplitLine(e.x);
+ if (fMouseOverSplitLine != mouseOverSplitLine) {
+ redraw();
+ }
+ fMouseOverSplitLine = mouseOverSplitLine;
+ }
+ updateCursor(e.x, e.stateMask);
+ updateStatusLine(e.x);
+ }
+
+ @Override
+ public void mouseDoubleClick(MouseEvent e) {
+ if (null == fTimeProvider) {
+ return;
+ }
+ if (1 == e.button && (e.stateMask & SWT.BUTTON_MASK) == 0) {
+ if (isOverSplitLine(e.x) && fTimeProvider.getNameSpace() != 0) {
+ fTimeProvider.setNameSpace(fIdealNameSpace);
+ boolean mouseOverSplitLine = isOverSplitLine(e.x);
+ if (fMouseOverSplitLine != mouseOverSplitLine) {
+ redraw();
+ }
+ fMouseOverSplitLine = mouseOverSplitLine;
+ return;
+ }
+ int idx = getItemIndexAtY(e.y);
+ if (idx >= 0) {
+ selectItem(idx, false);
+ fireDefaultSelection();
+ }
+ }
+ }
+
+ @Override
+ public void mouseDown(MouseEvent e) {
+ if (fDragState != DRAG_NONE || null == fTimeProvider ||
+ fTimeProvider.getTime0() == fTimeProvider.getTime1() ||
+ getCtrlSize().x - fTimeProvider.getNameSpace() <= 0) {
+ return;
+ }
+ int idx;
+ if (1 == e.button && (e.stateMask & SWT.MODIFIER_MASK) == 0) {
+ int nameSpace = fTimeProvider.getNameSpace();
+ if (nameSpace != 0 && isOverSplitLine(e.x)) {
+ fDragState = DRAG_SPLIT_LINE;
+ fDragButton = e.button;
+ fDragX = e.x;
+ fDragX0 = fDragX;
+ fTime0bak = fTimeProvider.getTime0();
+ fTime1bak = fTimeProvider.getTime1();
+ redraw();
+ updateCursor(e.x, e.stateMask);
+ return;
+ }
+ }
+ if (1 == e.button && ((e.stateMask & SWT.MODIFIER_MASK) == 0 || (e.stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT)) {
+ int nameSpace = fTimeProvider.getNameSpace();
+ idx = getItemIndexAtY(e.y);
+ if (idx >= 0) {
+ Item item = fItemData.fExpandedItems[idx];
+ if (item.fHasChildren && e.x < nameSpace && e.x < MARGIN + (item.fLevel + 1) * EXPAND_SIZE) {
+ toggle(idx);
+ return;
+ }
+ selectItem(idx, false);
+ fireSelectionChanged();
+ } else {
+ selectItem(idx, false); // clear selection
+ fireSelectionChanged();
+ }
+ long hitTime = getTimeAtX(e.x);
+ if (hitTime >= 0) {
+ setCapture(true);
+
+ fDragState = DRAG_SELECTION;
+ fDragButton = e.button;
+ fDragX = e.x;
+ fDragX0 = fDragX;
+ fDragTime0 = getTimeAtX(fDragX0);
+ long selectionBegin = fTimeProvider.getSelectionBegin();
+ long selectionEnd = fTimeProvider.getSelectionEnd();
+ int xBegin = getXForTime(selectionBegin);
+ int xEnd = getXForTime(selectionEnd);
+ if ((e.stateMask & SWT.MODIFIER_MASK) == SWT.SHIFT) {
+ long time = getTimeAtX(e.x);
+ if (Math.abs(time - selectionBegin) < Math.abs(time - selectionEnd)) {
+ fDragX0 = xEnd;
+ fDragTime0 = selectionEnd;
+ } else {
+ fDragX0 = xBegin;
+ fDragTime0 = selectionBegin;
+ }
+ } else {
+ long time = getTimeAtX(e.x);
+ if (Math.abs(e.x - xBegin) < SNAP_WIDTH && Math.abs(time - selectionBegin) <= Math.abs(time - selectionEnd)) {
+ fDragX0 = xEnd;
+ fDragTime0 = selectionEnd;
+ } else if (Math.abs(e.x - xEnd) < SNAP_WIDTH && Math.abs(time - selectionEnd) <= Math.abs(time - selectionBegin)) {
+ fDragX0 = xBegin;
+ fDragTime0 = selectionBegin;
+ }
+ }
+ fTime0bak = fTimeProvider.getTime0();
+ fTime1bak = fTimeProvider.getTime1();
+ redraw();
+ updateCursor(e.x, e.stateMask);
+ fTimeGraphScale.setDragRange(fDragX0, fDragX);
+ }
+ } else if (2 == e.button || (1 == e.button && (e.stateMask & SWT.MODIFIER_MASK) == SWT.CTRL)) {
+ long hitTime = getTimeAtX(e.x);
+ if (hitTime > 0) {
+ setCapture(true);
+ fDragState = DRAG_TRACE_ITEM;
+ fDragButton = e.button;
+ fDragX = e.x;
+ fDragX0 = fDragX;
+ fTime0bak = fTimeProvider.getTime0();
+ fTime1bak = fTimeProvider.getTime1();
+ updateCursor(e.x, e.stateMask);
+ }
+ } else if (3 == e.button) {
+ setCapture(true);
+ fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), getCtrlSize().x - RIGHT_MARGIN);
+ fDragX0 = fDragX;
+ fDragState = DRAG_ZOOM;
+ fDragButton = e.button;
+ redraw();
+ updateCursor(e.x, e.stateMask);
+ fTimeGraphScale.setDragRange(fDragX0, fDragX);
+ }
+ }
+
+ @Override
+ public void mouseUp(MouseEvent e) {
+ if (fPendingMenuDetectEvent != null && e.button == 3) {
+ menuDetected(fPendingMenuDetectEvent);
+ }
+ if (DRAG_NONE != fDragState) {
+ setCapture(false);
+ if (e.button == fDragButton && DRAG_TRACE_ITEM == fDragState) {
+ if (fDragX != fDragX0) {
+ fTimeProvider.notifyStartFinishTime();
+ }
+ fDragState = DRAG_NONE;
+ } else if (e.button == fDragButton && DRAG_SPLIT_LINE == fDragState) {
+ fDragState = DRAG_NONE;
+ redraw();
+ } else if (e.button == fDragButton && DRAG_SELECTION == fDragState) {
+ if (fDragX == fDragX0) { // click without selecting anything
+ long time = getTimeAtX(e.x);
+ fTimeProvider.setSelectedTimeNotify(time, false);
+ } else {
+ long time0 = fDragTime0;
+ long time1 = getTimeAtX(fDragX);
+ if (time0 <= time1) {
+ fTimeProvider.setSelectionRangeNotify(time0, time1);
+ } else {
+ fTimeProvider.setSelectionRangeNotify(time1, time0);
+ }
+ }
+ fDragState = DRAG_NONE;
+ redraw();
+ fTimeGraphScale.setDragRange(-1, -1);
+ } else if (e.button == fDragButton && DRAG_ZOOM == fDragState) {
+ int nameWidth = fTimeProvider.getNameSpace();
+ if (Math.max(fDragX, fDragX0) > nameWidth && fDragX != fDragX0) {
+ long time0 = getTimeAtX(fDragX0);
+ long time1 = getTimeAtX(fDragX);
+ if (time0 < time1) {
+ fTimeProvider.setStartFinishTimeNotify(time0, time1);
+ } else {
+ fTimeProvider.setStartFinishTimeNotify(time1, time0);
+ }
+ } else {
+ redraw();
+ }
+ fDragState = DRAG_NONE;
+ fTimeGraphScale.setDragRange(-1, -1);
+ }
+ }
+ updateCursor(e.x, e.stateMask);
+ updateStatusLine(e.x);
+ }
+
+ @Override
+ public void mouseEnter(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseExit(MouseEvent e) {
+ if (fMouseOverSplitLine) {
+ fMouseOverSplitLine = false;
+ redraw();
+ }
+ updateStatusLine(NO_STATUS);
+ }
+
+ @Override
+ public void mouseHover(MouseEvent e) {
+ }
+
+ @Override
+ public void mouseScrolled(MouseEvent e) {
+ if ((fMouseScrollFilterListener == null) || fDragState != DRAG_NONE) {
+ return;
+ }
+ boolean zoomScroll = false;
+ Point p = getParent().toControl(getDisplay().getCursorLocation());
+ Point parentSize = getParent().getSize();
+ if (p.x >= 0 && p.x < parentSize.x && p.y >= 0 && p.y < parentSize.y) {
+ // over the parent control
+ if (e.x > getCtrlSize().x) {
+ // over the horizontal scroll bar
+ zoomScroll = false;
+ } else if (e.y >= 0 && e.y < getCtrlSize().y && e.x < fTimeProvider.getNameSpace()) {
+ // over the name space
+ zoomScroll = false;
+ } else {
+ zoomScroll = true;
+ }
+ }
+ if (zoomScroll && fTimeProvider.getTime0() != fTimeProvider.getTime1()) {
+ if (e.count > 0) {
+ zoom(true);
+ } else if (e.count < 0) {
+ zoom(false);
+ }
+ } else {
+ setTopIndex(getTopIndex() - e.count);
+ }
+ }
+
+ @Override
+ public void controlMoved(ControlEvent e) {
+ }
+
+ @Override
+ public void controlResized(ControlEvent e) {
+ adjustScrolls();
+ }
+
+ @Override
+ public void widgetDefaultSelected(SelectionEvent e) {
+ }
+
+ @Override
+ public void widgetSelected(SelectionEvent e) {
+ if (e.widget == getVerticalBar()) {
+ setTopIndex(getVerticalBar().getSelection());
+ } else if (e.widget == getHorizontalBar() && null != fTimeProvider) {
+ int start = getHorizontalBar().getSelection();
+ long time0 = fTimeProvider.getTime0();
+ long time1 = fTimeProvider.getTime1();
+ long timeMin = fTimeProvider.getMinTime();
+ long timeMax = fTimeProvider.getMaxTime();
+ long delta = timeMax - timeMin;
+
+ long range = time1 - time0;
+ time0 = timeMin + Math.round(delta * ((double) start / H_SCROLLBAR_MAX));
+ time1 = time0 + range;
+
+ // TODO: Follow-up with Bug 310310
+ // In Linux SWT.DRAG is the only value received
+ // https://bugs.eclipse.org/bugs/show_bug.cgi?id=310310
+ if (e.detail == SWT.DRAG) {
+ fTimeProvider.setStartFinishTime(time0, time1);
+ } else {
+ fTimeProvider.setStartFinishTimeNotify(time0, time1);
+ }
+ }
+ }
+
+ @Override
+ public int getBorderWidth() {
+ return fBorderWidth;
+ }
+
+ /**
+ * Set the border width
+ *
+ * @param borderWidth
+ * The width
+ */
+ public void setBorderWidth(int borderWidth) {
+ this.fBorderWidth = borderWidth;
+ }
+
+ /**
+ * @return The current height of the header row
+ */
+ public int getHeaderHeight() {
+ return fHeaderHeight;
+ }
+
+ /**
+ * Set the height of the header row
+ *
+ * @param headerHeight
+ * The height
+ */
+ public void setHeaderHeight(int headerHeight) {
+ this.fHeaderHeight = headerHeight;
+ }
+
+ /**
+ * @return The default height of regular item rows
+ */
+ public int getItemHeight() {
+ return fGlobalItemHeight;
+ }
+
+ /**
+ * Set the default height of regular item rows.
+ *
+ * @param rowHeight
+ * The height
+ */
+ public void setItemHeight(int rowHeight) {
+ this.fGlobalItemHeight = rowHeight;
+ }
+
+ /**
+ * Set the height of a specific item. Overrides the default item height.
+ *
+ * @param entry
+ * A time graph entry
+ * @param rowHeight
+ * The height
+ * @return true if the height is successfully stored, false otherwise
+ *
+ * @since 2.1
+ */
+ public boolean setItemHeight(ITimeGraphEntry entry, int rowHeight) {
+ Item item = fItemData.findItem(entry);
+ if (item != null) {
+ item.fItemHeight = rowHeight;
+ return true;
+ }
+ return false;
+ }
+
+ /**
+ * Set the minimum item width
+ *
+ * @param width The minimum width
+ */
+ public void setMinimumItemWidth(int width) {
+ this.fMinimumItemWidth = width;
+ }
+
+ /**
+ * @return The minimum item width
+ */
+ public int getMinimumItemWidth() {
+ return fMinimumItemWidth;
+ }
+
+ /**
+ * @return The entries that are currently filtered out
+ *
+ * @since 2.0
+ */
+ public List<ITimeGraphEntry> getFilteredOut() {
+ return fItemData.getFilteredOut();
+ }
+
+ @Override
+ public void addSelectionChangedListener(ISelectionChangedListener listener) {
+ if (listener != null && !fSelectionChangedListeners.contains(listener)) {
+ fSelectionChangedListeners.add(listener);
+ }
+ }
+
+ @Override
+ public void removeSelectionChangedListener(ISelectionChangedListener listener) {
+ if (listener != null) {
+ fSelectionChangedListeners.remove(listener);
+ }
+ }
+
+ @Override
+ public void setSelection(ISelection selection) {
+ if (selection instanceof TimeGraphSelection) {
+ TimeGraphSelection sel = (TimeGraphSelection) selection;
+ Object ob = sel.getFirstElement();
+ if (ob instanceof ITimeGraphEntry) {
+ ITimeGraphEntry trace = (ITimeGraphEntry) ob;
+ selectItem(trace, false);
+ }
+ }
+
+ }
+
+ /**
+ * @param filter The filter object to be attached to the view
+ * @since 2.0
+ */
+ public void addFilter(ViewerFilter filter) {
+ if (!fFilters.contains(filter)) {
+ fFilters.add(filter);
+ }
+ }
+
+ /**
+ * @param filter The filter object to be attached to the view
+ * @since 2.0
+ */
+ public void removeFilter(ViewerFilter filter) {
+ fFilters.remove(filter);
+ }
+
+ /**
+ * @since 3.0
+ */
+ @Override
+ public void colorSettingsChanged(StateItem[] stateItems) {
+ /* Destroy previous colors from the resource manager */
+ if (fEventColorMap != null) {
+ for (Color color : fEventColorMap) {
+ fResourceManager.destroyColor(color.getRGB());
+ }
+ }
+ if (stateItems != null) {
+ fEventColorMap = new Color[stateItems.length];
+ for (int i = 0; i < stateItems.length; i++) {
+ fEventColorMap[i] = fResourceManager.createColor(stateItems[i].getStateColor());
+ }
+ } else {
+ fEventColorMap = new Color[] { };
+ }
+ redraw();
+ }
+
+ private class ItemData {
+ private final Map<ITimeGraphEntry, Item> fItemMap = new LinkedHashMap<>();
+ private Item[] fExpandedItems = new Item[0];
+ private Item[] fItems = new Item[0];
+ private ITimeGraphEntry fRootEntries[] = new ITimeGraphEntry[0];
+ private List<ILinkEvent> fLinks = new ArrayList<>();
+ private boolean fEntryFilter[] = new boolean[0];
+ private final ArrayList<ITimeGraphEntry> fFilteredOut = new ArrayList<>();
+
+ public ItemData() {
+ }
+
+ public Item findItem(ITimeGraphEntry entry) {
+ return fItemMap.get(entry);
+ }
+
+ public int findItemIndex(ITimeGraphEntry entry) {
+ Item item = fItemMap.get(entry);
+ if (item == null) {
+ return -1;
+ }
+ return item.fExpandedIndex;
+ }
+
+ public void refreshData() {
+ fItemMap.clear();
+ fFilteredOut.clear();
+ ITimeGraphEntry selection = getSelectedTrace();
+ for (int i = 0; i < fRootEntries.length; i++) {
+ ITimeGraphEntry entry = fRootEntries[i];
+ refreshData(fItemMap, null, 0, entry);
+ }
+ fItems = fItemMap.values().toArray(new Item[0]);
+ updateExpandedItems();
+ if (selection != null) {
+ for (Item item : fExpandedItems) {
+ if (item.fEntry == selection) {
+ item.fSelected = true;
+ break;
+ }
+ }
+ }
+ }
+
+ private void refreshData(Map<ITimeGraphEntry, Item> itemMap, Item parent, int level, ITimeGraphEntry entry) {
+ Item item = new Item(entry, entry.getName(), level);
+ if (parent != null) {
+ parent.fChildren.add(item);
+ }
+ if (fGlobalItemHeight == CUSTOM_ITEM_HEIGHT) {
+ item.fItemHeight = fTimeGraphProvider.getItemHeight(entry);
+ } else {
+ item.fItemHeight = fGlobalItemHeight;
+ }
+ itemMap.put(entry, item);
+ if (entry.hasChildren()) {
+ item.fExpanded = fAutoExpandLevel == ALL_LEVELS || level < fAutoExpandLevel;
+ item.fHasChildren = true;
+ for (ITimeGraphEntry child : entry.getChildren()) {
+ refreshData(itemMap, item, level + 1, child);
+ }
+ }
+ }
+
+ public void updateExpandedItems() {
+ for (Item item : fItems) {
+ item.fExpandedIndex = -1;
+ }
+ List<Item> expandedItemList = new ArrayList<>();
+ for (int i = 0; i < fRootEntries.length; i++) {
+ ITimeGraphEntry entry = fRootEntries[i];
+ Item item = findItem(entry);
+ refreshExpanded(expandedItemList, item);
+ }
+ fExpandedItems = expandedItemList.toArray(new Item[0]);
+ fTopIndex = Math.min(fTopIndex, Math.max(0, fExpandedItems.length - 1));
+ }
+
+ private void refreshExpanded(List<Item> expandedItemList, Item item) {
+ // Check for filters
+ boolean display = true;
+ for (ViewerFilter filter : fFilters) {
+ if (!filter.select(null, item.fEntry.getParent(), item.fEntry)) {
+ display = false;
+ break;
+ }
+ }
+ if (display) {
+ item.fExpandedIndex = expandedItemList.size();
+ expandedItemList.add(item);
+ if (item.fHasChildren && item.fExpanded) {
+ for (Item child : item.fChildren) {
+ refreshExpanded(expandedItemList, child);
+ }
+ }
+ }
+ }
+
+ public void refreshData(ITimeGraphEntry[] entries) {
+ if (entries == null) {
+ fEntryFilter = null;
+ fRootEntries = null;
+ } else {
+ if (entries.length == 0) {
+ fEntryFilter = null;
+ } else if (fEntryFilter == null || entries.length != fEntryFilter.length) {
+ fEntryFilter = new boolean[entries.length];
+ java.util.Arrays.fill(fEntryFilter, true);
+ }
+ fRootEntries = Arrays.copyOf(entries, entries.length);
+ }
+
+ refreshData();
+ }
+
+ public void refreshArrows(List<ILinkEvent> events) {
+ /* If links are null, reset the list */
+ if (events != null) {
+ fLinks = events;
+ } else {
+ fLinks = new ArrayList<>();
+ }
+ }
+
+ public ITimeGraphEntry[] getEntries() {
+ return fRootEntries;
+ }
+
+ public boolean[] getEntryFilter() {
+ return fEntryFilter;
+ }
+
+ public List<ITimeGraphEntry> getFilteredOut() {
+ return fFilteredOut;
+ }
+ }
+
+ private class Item {
+ private boolean fExpanded;
+ private int fExpandedIndex;
+ private boolean fSelected;
+ private boolean fHasChildren;
+ private int fItemHeight;
+ private final int fLevel;
+ private final List<Item> fChildren;
+ private final String fName;
+ private final ITimeGraphEntry fEntry;
+
+ public Item(ITimeGraphEntry entry, String name, int level) {
+ this.fEntry = entry;
+ this.fName = name;
+ this.fLevel = level;
+ this.fChildren = new ArrayList<>();
+ }
+
+ @Override
+ public String toString() {
+ return fName;
+ }
+ }
+
+ /**
+ * @since 1.2
+ */
+ @Override
+ public void menuDetected(MenuDetectEvent e) {
+ if (null == fTimeProvider) {
+ return;
+ }
+ if (e.detail == SWT.MENU_MOUSE) {
+ if (fPendingMenuDetectEvent == null) {
+ /* Feature in Linux. The MenuDetectEvent is received before mouseDown.
+ * Store the event and trigger it later just before handling mouseUp.
+ * This allows for the method to detect if mouse is used to drag zoom.
+ */
+ fPendingMenuDetectEvent = e;
+ return;
+ }
+ fPendingMenuDetectEvent = null;
+ if (fDragState != DRAG_ZOOM || fDragX != fDragX0) {
+ return;
+ }
+ } else {
+ if (fDragState != DRAG_NONE) {
+ return;
+ }
+ }
+ Point p = toControl(e.x, e.y);
+ int idx = getItemIndexAtY(p.y);
+ if (idx >= 0 && idx < fItemData.fExpandedItems.length) {
+ Item item = fItemData.fExpandedItems[idx];
+ ITimeGraphEntry entry = item.fEntry;
+ if (entry.hasTimeEvents()) {
+ ITimeEvent event = Utils.findEvent(entry, getTimeAtX(p.x), 2);
+ if (event != null) {
+ e.data = event;
+ fireMenuEventOnTimeEvent(e);
+ return;
+ }
+ }
+ e.data = entry;
+ fireMenuEventOnTimeGraphEntry(e);
+ }
+ }
+
+}
+
+