Package org.eclipse.tracecompass.tmf.ui.viewers.xychart

Class TmfMouseWheelZoomProvider

java.lang.Object

org.eclipse.tracecompass.tmf.ui.viewers.xychart.TmfBaseProvider

org.eclipse.tracecompass.tmf.ui.viewers.xychart.TmfMouseWheelZoomProvider

All Implemented Interfaces:

EventListener, org.eclipse.swt.events.MouseWheelListener, org.eclipse.swt.internal.SWTEventListener

public class TmfMouseWheelZoomProvider
extends TmfBaseProvider
implements org.eclipse.swt.events.MouseWheelListener

Class for providing zooming and scrolling based on mouse wheel. For zooming, it centers the zoom on mouse position. For scrolling, it will move the zoom window to another position while maintaining the window size. It also notifies the viewer about a change of range.

Since:

6.0

Author:

Bernd Hufmann

Constructor Summary

Constructors

Constructor	Description
TmfMouseWheelZoomProvider(ITmfChartTimeProvider tmfChartViewer)	Standard constructor.

Method Summary

Modifier and Type	Method	Description
void	mouseScrolled(org.eclipse.swt.events.MouseEvent event)
void	refresh()	Method to refresh the viewer.

Methods inherited from class org.eclipse.tracecompass.tmf.ui.viewers.xychart.TmfBaseProvider

dispose, getChartViewer, getSeries, getTooltipHandler, getXAxis, getYAxis, redraw, setToolTipText

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

TmfMouseWheelZoomProvider

public TmfMouseWheelZoomProvider(ITmfChartTimeProvider tmfChartViewer)

Standard constructor.

Parameters:

tmfChartViewer - The parent histogram object

Method Details

refresh

public void refresh()

Description copied from class: TmfBaseProvider

Method to refresh the viewer. It will redraw the viewer.

Overrides:

refresh in class TmfBaseProvider

mouseScrolled

public void mouseScrolled(org.eclipse.swt.events.MouseEvent event)

Specified by:

mouseScrolled in interface org.eclipse.swt.events.MouseWheelListener