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eclipse / tracecompass / org.eclipse.tracecompass / refs/heads/ControlFlowViewTestFix / . / tmf / org.eclipse.tracecompass.tmf.ui / src / org / eclipse / tracecompass / tmf / ui / widgets / timegraph / widgets / TimeGraphControl.java
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/*****************************************************************************
* Copyright (c) 2007, 2015 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
* Generoso Pagano, Inria - Support for drag selection listeners
*****************************************************************************/
package org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
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.osgi.util.NLS;
import org.eclipse.swt.SWT;
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.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.tracecompass.tmf.core.signal.TmfSignalManager;
import org.eclipse.tracecompass.tmf.ui.signal.TmfTimeViewAlignmentInfo;
import org.eclipse.tracecompass.tmf.ui.signal.TmfTimeViewAlignmentSignal;
import org.eclipse.tracecompass.tmf.ui.views.ITmfTimeAligned;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphColorListener;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphPresentationProvider2;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphTimeListener;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.ITimeGraphTreeListener;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.StateItem;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphTimeEvent;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.TimeGraphTreeExpansionEvent;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ILinkEvent;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeEvent;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.model.ITimeGraphEntry;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.Resolution;
import org.eclipse.tracecompass.tmf.ui.widgets.timegraph.widgets.Utils.TimeFormat;
/**
* Time graph control implementation
*
* @author Alvaro Sanchez-Leon
* @author Patrick Tasse
*/
public class TimeGraphControl extends TimeGraphBaseControl
implements FocusListener, KeyListener, MouseMoveListener, MouseListener,
MouseWheelListener, MouseTrackListener, TraverseListener, ISelectionProvider,
MenuDetectListener, ITmfTimeGraphDrawingHelper, ITimeGraphColorListener, Listener {
/** Constant indicating that all levels of the time graph should be expanded */
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 ARROW_HOVER_MAX_DIST = 5;
private static final int NO_STATUS = -1;
private static final int STATUS_WITHOUT_CURSOR_TIME = -2;
/** 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 boolean fBlendSubPixelEvents = false;
private int fMinimumItemWidth = 0;
private int fTopIndex = 0;
private int fDragState = DRAG_NONE;
private boolean fDragBeginMarker = false;
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 List<ITimeGraphTimeListener> fDragSelectionListeners;
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;
/**
* 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.DOUBLE_BUFFERED);
fItemData = new ItemData();
addFocusListener(this);
addMouseListener(this);
addMouseMoveListener(this);
addMouseTrackListener(this);
addMouseWheelListener(this);
addTraverseListener(this);
addKeyListener(this);
addMenuDetectListener(this);
addListener(SWT.MouseWheel, 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.
*/
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.
*/
public Color[] getEventColorMap() {
return fEventColorMap;
}
/**
* Assign the given time provider
*
* @param timeProvider
* The time provider
*/
public void setTimeProvider(ITimeDataProvider timeProvider) {
fTimeProvider = timeProvider;
redraw();
}
/**
* Assign the status line manager
*
* @param statusLineManager
* The status line manager, or null to disable status line messages
*/
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
*/
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);
}
}
}
/**
* Add a drag selection listener
*
* @param listener
* The listener to add
*/
public void addDragSelectionListener(ITimeGraphTimeListener listener) {
if (listener == null) {
SWT.error(SWT.ERROR_NULL_ARGUMENT);
}
if (null == fDragSelectionListeners) {
fDragSelectionListeners = new ArrayList<>();
}
fDragSelectionListeners.add(listener);
}
/**
* Remove a drag selection listener
*
* @param listener
* The listener to remove
*/
public void removeDragSelectionListener(ITimeGraphTimeListener listener) {
if (null != fDragSelectionListeners) {
fDragSelectionListeners.remove(listener);
}
}
/**
* Drag Selection changed callback
*
* @param start
* Time interval start
* @param end
* Time interval end
*/
public void fireDragSelectionChanged(long start, long end) {
// check for backward intervals
long beginTime, endTime;
if (start > end) {
beginTime = end;
endTime = start;
} else {
beginTime = start;
endTime = end;
}
// call the listeners
if (null != fDragSelectionListeners) {
Iterator<ITimeGraphTimeListener> it = fDragSelectionListeners.iterator();
while (it.hasNext()) {
ITimeGraphTimeListener listener = it.next();
listener.timeSelected(new TimeGraphTimeEvent(this, beginTime, endTime));
}
}
}
/**
* 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();
redraw();
}
/**
* Refresh data for the given traces
*
* @param traces
* The traces to refresh
*/
public void refreshData(ITimeGraphEntry[] traces) {
fItemData.refreshData(traces);
redraw();
}
/**
* Refresh the links (arrows) of this widget
*
* @param events The link event list
*/
public void refreshArrows(List<ILinkEvent> events) {
fItemData.refreshArrows(events);
}
/**
* Get the links (arrows) of this widget
*
* @return The unmodifiable link event list
*
* @since 2.0
*/
public List<ILinkEvent> getArrows() {
return Collections.unmodifiableList(fItemData.fLinks);
}
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
*/
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
*/
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.
*/
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.
*/
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
*/
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
*/
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
*/
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
*/
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
* @param extend
* true to extend selection range, false for single selection
* @since 1.0
*/
public void selectEvent(int n, boolean extend) {
if (null == fTimeProvider) {
return;
}
ITimeGraphEntry trace = getSelectedTrace();
if (trace == null) {
return;
}
long selectedTime = fTimeProvider.getSelectionEnd();
long endTime = fTimeProvider.getMaxTime();
ITimeEvent nextEvent;
if (n == -1 && selectedTime > endTime) {
nextEvent = Utils.findEvent(trace, selectedTime, 0);
} else {
nextEvent = Utils.findEvent(trace, selectedTime, n);
}
if (null == nextEvent && n == -1) {
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();
}
if (extend) {
fTimeProvider.setSelectionRangeNotify(fTimeProvider.getSelectionBegin(), nextTime);
} else {
fTimeProvider.setSelectedTimeNotify(nextTime, true);
}
fireSelectionChanged();
} else if (n == 1) {
if (extend) {
fTimeProvider.setSelectionRangeNotify(fTimeProvider.getSelectionBegin(), endTime);
} else {
fTimeProvider.setSelectedTimeNotify(endTime, true);
}
fireSelectionChanged();
}
updateStatusLine(STATUS_WITHOUT_CURSOR_TIME);
}
/**
* Select the next event
*
* @param extend
* true to extend selection range, false for single selection
* @since 1.0
*/
public void selectNextEvent(boolean extend) {
selectEvent(1, extend);
// Notify if visible time window has been adjusted
fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
}
/**
* Select the previous event
*
* @param extend
* true to extend selection range, false for single selection
* @since 1.0
*/
public void selectPrevEvent(boolean extend) {
selectEvent(-1, extend);
// 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);
}
/**
* Scroll left or right by one half window size
*
* @param left
* true to scroll left, false to scroll right
*/
public void horizontalScroll(boolean left) {
long time0 = fTimeProvider.getTime0();
long time1 = fTimeProvider.getTime1();
long timeMin = fTimeProvider.getMinTime();
long timeMax = fTimeProvider.getMaxTime();
long range = time1 - time0;
if (range <= 0) {
return;
}
long increment = Math.max(1, range / 2);
if (left) {
time0 = Math.max(time0 - increment, timeMin);
time1 = time0 + range;
} else {
time1 = Math.min(time1 + increment, timeMax);
time0 = time1 - range;
}
fTimeProvider.setStartFinishTimeNotify(time0, time1);
}
/**
* 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.setStartFinishTimeNotify(newTime0, newTime1);
}
/**
* 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
*/
public void hideArrows(boolean hideArrows) {
fHideArrows = hideArrows;
}
/**
* Follow the arrow forward
*
* @param extend
* true to extend selection range, false for single selection
* @since 1.0
*/
public void followArrowFwd(boolean extend) {
ITimeGraphEntry trace = getSelectedTrace();
if (trace == null) {
return;
}
long selectedTime = fTimeProvider.getSelectionEnd();
for (ILinkEvent link : fItemData.fLinks) {
if (link.getEntry() == trace && link.getTime() == selectedTime) {
selectItem(link.getDestinationEntry(), false);
if (link.getDuration() != 0) {
if (extend) {
fTimeProvider.setSelectionRangeNotify(fTimeProvider.getSelectionBegin(), link.getTime() + link.getDuration());
} else {
fTimeProvider.setSelectedTimeNotify(link.getTime() + link.getDuration(), true);
}
// Notify if visible time window has been adjusted
fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
}
fireSelectionChanged();
updateStatusLine(STATUS_WITHOUT_CURSOR_TIME);
return;
}
}
selectNextEvent(extend);
}
/**
* Follow the arrow backward
*
* @param extend
* true to extend selection range, false for single selection
* @since 1.0
*/
public void followArrowBwd(boolean extend) {
ITimeGraphEntry trace = getSelectedTrace();
if (trace == null) {
return;
}
long selectedTime = fTimeProvider.getSelectionEnd();
for (ILinkEvent link : fItemData.fLinks) {
if (link.getDestinationEntry() == trace && link.getTime() + link.getDuration() == selectedTime) {
selectItem(link.getEntry(), false);
if (link.getDuration() != 0) {
if (extend) {
fTimeProvider.setSelectionRangeNotify(fTimeProvider.getSelectionBegin(), link.getTime());
} else {
fTimeProvider.setSelectedTimeNotify(link.getTime(), true);
}
// Notify if visible time window has been adjusted
fTimeProvider.setStartFinishTimeNotify(fTimeProvider.getTime0(), fTimeProvider.getTime1());
}
fireSelectionChanged();
updateStatusLine(STATUS_WITHOUT_CURSOR_TIME);
return;
}
}
selectPrevEvent(extend);
}
/**
* 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();
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.
*/
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.
*/
protected ITimeGraphEntry getEntry(Point pt) {
int idx = getItemIndexAtY(pt.y);
return idx >= 0 ? fItemData.fExpandedItems[idx].fEntry : null;
}
/**
* Return the arrow event closest to the given point that is no further than
* a maximum distance.
*
* @param pt
* a point in the widget
* @return The closest arrow event, or null if there is none close enough.
*/
protected ILinkEvent getArrow(Point pt) {
if (fHideArrows) {
return null;
}
ILinkEvent linkEvent = null;
double minDistance = Double.MAX_VALUE;
for (ILinkEvent event : fItemData.fLinks) {
Rectangle rect = getArrowRectangle(new Rectangle(0, 0, 0, 0), event);
if (rect != null) {
int x1 = rect.x;
int y1 = rect.y;
int x2 = x1 + rect.width;
int y2 = y1 + rect.height;
double d = Utils.distance(pt.x, pt.y, x1, y1, x2, y2);
if (minDistance > d) {
minDistance = d;
linkEvent = event;
}
}
}
if (minDistance <= ARROW_HOVER_MAX_DIST) {
return linkEvent;
}
return null;
}
@Override
public int getXForTime(long time) {
if (null == fTimeProvider) {
return -1;
}
long time0 = fTimeProvider.getTime0();
long time1 = fTimeProvider.getTime1();
int width = getSize().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;
}
@Override
public long getTimeAtX(int coord) {
if (null == fTimeProvider) {
return -1;
}
long hitTime = -1;
Point size = getSize();
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 = getSize().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]);
}
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.getSelectionEnd();
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()) {
gc.setClipping(new Rectangle(nameSpace, 0, bounds.width - nameSpace, bounds.height));
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 = stateRect.x;
}
}
gc.setClipping((Rectangle) null);
}
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
*/
public void drawLinks(Rectangle bounds, ITimeDataProvider timeProvider,
List<ILinkEvent> links, int nameSpace, GC gc) {
if (fHideArrows) {
return;
}
gc.setClipping(new Rectangle(nameSpace, 0, bounds.width - nameSpace, bounds.height));
for (ILinkEvent event : links) {
drawLink(event, bounds, timeProvider, nameSpace, gc);
}
gc.setClipping((Rectangle) null);
}
/**
* 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
*/
protected void drawLink(ILinkEvent event, Rectangle bounds, ITimeDataProvider timeProvider, int nameSpace, GC gc) {
drawArrow(getColorScheme(), event, getArrowRectangle(bounds, event), gc);
}
private Rectangle getArrowRectangle(Rectangle bounds, ILinkEvent event) {
int srcIndex = fItemData.findItemIndex(event.getEntry());
int destIndex = fItemData.findItemIndex(event.getDestinationEntry());
if ((srcIndex == -1) || (destIndex == -1)) {
return null;
}
Rectangle src = getStatesRect(bounds, srcIndex, fTimeProvider.getNameSpace());
Rectangle dst = getStatesRect(bounds, destIndex, fTimeProvider.getNameSpace());
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;
return new Rectangle(x0, y0, x1 - x0, y1 - y0);
}
/**
* 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
*/
protected boolean drawArrow(TimeGraphColorScheme colors, ITimeEvent event,
Rectangle rect, GC gc) {
if (rect == null) {
return false;
}
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
*/
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;
rect.width = Math.max(1, rect.width);
Color black = Display.getDefault().getSystemColor(SWT.COLOR_BLACK);
gc.setForeground(black);
if (colorIdx == ITimeGraphPresentationProvider.TRANSPARENT) {
if (visible) {
// 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);
}
}
fTimeGraphProvider.postDrawEvent(event, rect, gc);
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);
if (visible) {
gc.fillRectangle(rect);
} else if (fBlendSubPixelEvents) {
gc.setAlpha(128);
gc.fillRectangle(rect);
gc.setAlpha(255);
}
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);
}
if (!visible) {
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 && fDragState == DRAG_NONE) {
boolean extend = (e.stateMask & SWT.SHIFT) != 0;
selectPrevEvent(extend);
} else if (SWT.ARROW_RIGHT == e.keyCode && fDragState == DRAG_NONE) {
boolean extend = (e.stateMask & SWT.SHIFT) != 0;
System.out.println("ARROW_RIGHT before ("+extend+") "+fTimeProvider.getSelectionBegin()+"-"+fTimeProvider.getSelectionEnd()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
selectNextEvent(extend);
System.out.println("ARROW_RIGHT after ("+extend+") "+fTimeProvider.getSelectionBegin()+"-"+fTimeProvider.getSelectionEnd()); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
} 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;
redraw();
updateStatusLine(STATUS_WITHOUT_CURSOR_TIME);
}
@Override
public void focusLost(FocusEvent e) {
fIsInFocus = false;
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) {
// use the time provider of the time graph scale for the status line
ITimeDataProvider tdp = fTimeGraphScale.getTimeProvider();
if (fStatusLineManager == null || null == tdp ||
tdp.getTime0() == tdp.getTime1()) {
return;
}
TimeFormat tf = tdp.getTimeFormat();
Resolution res = Resolution.NANOSEC;
StringBuilder message = new StringBuilder();
if ((x >= 0 || x == STATUS_WITHOUT_CURSOR_TIME) && fDragState == DRAG_NONE) {
if (x != STATUS_WITHOUT_CURSOR_TIME) {
long time = getTimeAtX(x);
if (time >= 0) {
if (tdp instanceof ITimeDataProviderConverter) {
time = ((ITimeDataProviderConverter) tdp).convertTime(time);
}
message.append(NLS.bind("T: {0}{1} ", //$NON-NLS-1$
new Object[] {
tf == TimeFormat.CALENDAR ? Utils.formatDate(time) + ' ' : "", //$NON-NLS-1$
Utils.formatTime(time, tf, res)
}));
}
}
long selectionBegin = tdp.getSelectionBegin();
long selectionEnd = tdp.getSelectionEnd();
message.append(NLS.bind("T1: {0}{1}", //$NON-NLS-1$
new Object[] {
tf == TimeFormat.CALENDAR ? Utils.formatDate(selectionBegin) + ' ' : "", //$NON-NLS-1$
Utils.formatTime(selectionBegin, tf, res)
}));
if (selectionBegin != selectionEnd) {
message.append(NLS.bind(" T2: {0}{1} \u0394: {2}", //$NON-NLS-1$
new Object[] {
tf == TimeFormat.CALENDAR ? Utils.formatDate(selectionEnd) + ' ' : "", //$NON-NLS-1$
Utils.formatTime(selectionEnd, tf, res),
Utils.formatDelta(selectionEnd - selectionBegin, tf, res)
}));
}
} else if (fDragState == DRAG_SELECTION || fDragState == DRAG_ZOOM) {
long time0 = fDragBeginMarker ? getTimeAtX(fDragX0) : fDragTime0;
long time = fDragBeginMarker ? fDragTime0 : getTimeAtX(fDragX);
if (tdp instanceof ITimeDataProviderConverter) {
time0 = ((ITimeDataProviderConverter) tdp).convertTime(time0);
time = ((ITimeDataProviderConverter) tdp).convertTime(time);
}
message.append(NLS.bind("T1: {0}{1} T2: {2}{3} \u0394: {4}", //$NON-NLS-1$
new Object[] {
tf == TimeFormat.CALENDAR ? Utils.formatDate(time0) + ' ' : "", //$NON-NLS-1$
Utils.formatTime(time0, tf, res),
tf == TimeFormat.CALENDAR ? Utils.formatDate(time) + ' ' : "", //$NON-NLS-1$
Utils.formatTime(time, tf, res),
Utils.formatDelta(time - time0, tf, res)
}));
}
fStatusLineManager.setMessage(message.toString());
}
@Override
public void mouseMove(MouseEvent e) {
if (null == fTimeProvider) {
return;
}
Point size = getSize();
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.setStartFinishTimeNotify(time0, time1);
}
} else if (DRAG_SPLIT_LINE == fDragState) {
fDragX = e.x;
fTimeProvider.setNameSpace(e.x);
TmfSignalManager.dispatchSignal(new TmfTimeViewAlignmentSignal(this, getTimeViewAlignmentInfo()));
} else if (DRAG_SELECTION == fDragState) {
if (fDragBeginMarker) {
fDragX0 = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN);
} else {
fDragX = Math.min(Math.max(e.x, fTimeProvider.getNameSpace()), size.x - RIGHT_MARGIN);
}
redraw();
fTimeGraphScale.setDragRange(fDragX0, fDragX);
fireDragSelectionChanged(getTimeAtX(fDragX0), getTimeAtX(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;
TmfSignalManager.dispatchSignal(new TmfTimeViewAlignmentSignal(this, getTimeViewAlignmentInfo()));
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() ||
getSize().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;
fDragBeginMarker = false;
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)) {
fDragBeginMarker = true;
fDragX = xEnd;
fDragX0 = e.x;
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)) {
fDragBeginMarker = true;
fDragX = xEnd;
fDragX0 = e.x;
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()), getSize().x - RIGHT_MARGIN);
fDragX0 = fDragX;
fDragTime0 = getTimeAtX(fDragX0);
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 = fDragBeginMarker ? getTimeAtX(fDragX0) : fDragTime0;
long time1 = fDragBeginMarker ? fDragTime0 : getTimeAtX(fDragX);
fTimeProvider.setSelectionRangeNotify(time0, time1);
}
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(STATUS_WITHOUT_CURSOR_TIME);
}
@Override
public void mouseHover(MouseEvent e) {
}
@Override
public void mouseScrolled(MouseEvent e) {
if (fDragState != DRAG_NONE) {
return;
}
boolean zoomScroll = false;
boolean horizontalScroll = 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 > getSize().x) {
// over the vertical scroll bar
zoomScroll = false;
} else if (e.y < 0) {
// over the time scale
zoomScroll = true;
} else if (e.y >= getSize().y) {
// over the horizontal scroll bar
if ((e.stateMask & SWT.MODIFIER_MASK) == SWT.CTRL) {
zoomScroll = true;
} else {
horizontalScroll = true;
}
} else {
if (e.x < fTimeProvider.getNameSpace()) {
// over the name space
zoomScroll = false;
} else {
// over the state area
if ((e.stateMask & SWT.MODIFIER_MASK) == SWT.CTRL) {
// over the state area, CTRL pressed
zoomScroll = true;
} else {
// over the state area, CTRL not pressed
zoomScroll = false;
}
}
}
}
if (zoomScroll && fTimeProvider.getTime0() != fTimeProvider.getTime1()) {
if (e.count > 0) {
zoom(true);
} else if (e.count < 0) {
zoom(false);
}
} else if (horizontalScroll) {
horizontalScroll(e.count > 0);
} else {
setTopIndex(getTopIndex() - e.count);
}
}
@Override
public void handleEvent(Event event) {
if (event.type == SWT.MouseWheel) {
// prevent horizontal scrolling when the mouse wheel is used to
// scroll vertically or zoom
event.doit = false;
}
}
@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
*/
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;
}
/**
* Set whether all time events with a duration shorter than one pixel should
* be blended in. If false, only the first such time event will be drawn and
* the subsequent time events in the same pixel will be discarded. The
* default value is false.
*
* @param blend
* true if sub-pixel events should be blended, false otherwise.
* @since 2.0
*/
public void setBlendSubPixelEvents(boolean blend) {
fBlendSubPixelEvents = blend;
}
/**
* @return The entries that are currently filtered out
*/
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
*/
public void addFilter(ViewerFilter filter) {
if (!fFilters.contains(filter)) {
fFilters.add(filter);
}
}
/**
* @param filter The filter object to be attached to the view
*/
public void removeFilter(ViewerFilter filter) {
fFilters.remove(filter);
}
@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;
}
}
@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);
}
}
/**
* Perform the alignment operation.
*
* @param offset
* the alignment offset
*
* @see ITmfTimeAligned
*
* @since 1.0
*/
public void performAlign(int offset) {
fTimeProvider.setNameSpace(offset);
}
/**
* Return the time alignment information
*
* @return the time alignment information
*
* @see ITmfTimeAligned
*
* @since 1.0
*/
public TmfTimeViewAlignmentInfo getTimeViewAlignmentInfo() {
return new TmfTimeViewAlignmentInfo(getShell(), toDisplay(0, 0), fTimeProvider.getNameSpace());
}
}