Fast-forward DateField only with left mouse button (#8012)

Change-Id: Ib21c650feeed1ca584b2aeefb6c694e73e12b90d

1 files changed, 4 insertions, 2 deletions

diff --git a/client/src/com/vaadin/client/ui/VCalendarPanel.java b/client/src/com/vaadin/client/ui/VCalendarPanel.java
index 74462e501d..0725e15f66 100644
--- a/client/src/com/vaadin/client/ui/VCalendarPanel.java
+++ b/client/src/com/vaadin/client/ui/VCalendarPanel.java
@@ -22,6 +22,7 @@ import java.util.Iterator;
 import com.google.gwt.aria.client.Roles;
 import com.google.gwt.aria.client.SelectedValue;
 import com.google.gwt.dom.client.Element;
+import com.google.gwt.dom.client.NativeEvent;
 import com.google.gwt.dom.client.Node;
 import com.google.gwt.event.dom.client.BlurEvent;
 import com.google.gwt.event.dom.client.BlurHandler;
@@ -1498,11 +1499,12 @@ public class VCalendarPanel extends FocusableFlexTable implements
      */
     @Override
     public void onMouseDown(MouseDownEvent event) {
-        // Allow user to click-n-hold for fast-forward or fast-rewind.
+        // Click-n-hold the left mouse button for fast-forward or fast-rewind.
         // Timer is first used for a 500ms delay after mousedown. After that has
         // elapsed, another timer is triggered to go off every 150ms. Both
         // timers are cancelled on mouseup or mouseout.
-        if (event.getSource() instanceof VEventButton) {
+        if (event.getNativeButton() == NativeEvent.BUTTON_LEFT
+                && event.getSource() instanceof VEventButton) {
             final VEventButton sender = (VEventButton) event.getSource();
             processClickEvent(sender);
             mouseTimer = new Timer() {