tmf: Bug 451240: Mouse wheel inactive on time graph scale and scroll bar

[deliverable/tracecompass.git] / org.eclipse.tracecompass.tmf.ui / src / org / eclipse / tracecompass / tmf / ui / widgets / timegraph / TimeGraphViewer.java

diff --git a/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphViewer.java b/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphViewer.java
index 602b1b12f0e2e376e71019b7b4fc742e697f0323..857d5071badf16661712dbd6a23f7a83d25dbe3e 100644 (file)
--- a/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphViewer.java
+++ b/org.eclipse.tracecompass.tmf.ui/src/org/eclipse/tracecompass/tmf/ui/widgets/timegraph/TimeGraphViewer.java
@@ -354,6 +354,12 @@ public class TimeGraphViewer implements ITimeDataProvider, SelectionListener {
         fTimeScaleCtrl.setTimeProvider(fTimeDataProvider);
         fTimeScaleCtrl.setLayoutData(new GridData(SWT.FILL, SWT.DEFAULT, true, false));
         fTimeScaleCtrl.setHeight(fTimeScaleHeight);
+        fTimeScaleCtrl.addMouseWheelListener(new MouseWheelListener() {
+            @Override
+            public void mouseScrolled(MouseEvent e) {
+                fTimeGraphCtrl.zoom(e.count > 0);
+            }
+        });
 
         fVerticalScrollBar = new Slider(fDataViewer, SWT.VERTICAL | SWT.NO_FOCUS);
         fVerticalScrollBar.setLayoutData(new GridData(SWT.DEFAULT, SWT.FILL, false, true, 1, 2));