How to use

requestWidgetToken

method

in

org.eclipse.jface.text.TextViewer

@Override
protected void showInformationControl(Rectangle subjectArea) {
  if (fTextViewer != null && fTextViewer.requestWidgetToken(this, WIDGET_PRIORITY))
    super.showInformationControl(subjectArea);
  else
    if (DEBUG)
      System.out.println("TextViewerHoverManager#showInformationControl(..) did not get widget token"); //$NON-NLS-1$
}

@Override
protected void showInformationControl(Rectangle subjectArea) {
  if (fTextViewer != null && fTextViewer.requestWidgetToken(this, WIDGET_PRIORITY))
    super.showInformationControl(subjectArea);
  else
    if (DEBUG)
      System.out.println("TextViewerHoverManager#showInformationControl(..) did not get widget token"); //$NON-NLS-1$
}

@Override
protected void showInformationControl(Rectangle subjectArea) {
  if (fTextViewer != null && fTextViewer.requestWidgetToken(this, WIDGET_PRIORITY))
    super.showInformationControl(subjectArea);
  else
    if (DEBUG)
      System.out.println("cancelled StickyHoverManager.showInformationControl(..): did not get widget token (with prio)"); //$NON-NLS-1$
}

@Override
protected void showInformationControl(Rectangle subjectArea) {
  if (fTextViewer != null && fTextViewer.requestWidgetToken(this, WIDGET_PRIORITY))
    super.showInformationControl(subjectArea);
  else
    if (DEBUG)
      System.out.println("cancelled StickyHoverManager.showInformationControl(..): did not get widget token (with prio)"); //$NON-NLS-1$
}