application/org.openjdk.jmc.ui/src/main/java/org/openjdk/jmc/ui/charts/QuantitySpanRenderer.java

*** 73,82 ****
--- 73,86 ----
  
          private static int calcMargin(int height) {
                  return Math.min(5, (height + 10) / 20);
          }
  
+         public String getName() {
+                 return text;
+         }
+ 
          @Override
          public IRenderedRow render(Graphics2D context, SubdividedQuantityRange xRange, int height) {
                  int margin = calcMargin(height);
                  int innerHeight = height - 2 * margin;
                  context.translate(0, margin);
*** 99,124 ****
--- 103,131 ----
                  private final XYQuantities<?> points;
                  private final IRenderedRow content;
                  private final Paint paint;
                  private final int margin;
                  private String description;
+                 private String text;
  
                  public QuantitySpanRendering(int margin, XYQuantities<?> points, IRenderedRow content, Paint paint, String text,
                                  String description) {
                          super(Arrays.asList(new RenderedRowBase(margin), content, new RenderedRowBase(margin)),
                                          content.getHeight() + 2 * margin, text, description, null);
                          this.margin = margin;
                          this.points = points;
                          this.content = content;
                          this.paint = paint;
                          this.description = description;
+                         this.text = text;
                  }
  
                  @Override
                  public void infoAt(IChartInfoVisitor visitor, int x, int y, Point offset) {
                          offset = new Point(offset.x, offset.y + margin);
                          content.infoAt(visitor, x, y, offset);
+                         visitor.enterScope(text, true);
  
                          // FIXME: Only output this if near the boundaries? At least handle infinite lengths.
                          if (points != null) {
                                  int bucket = points.floorIndexAtX(x);
                                  if (bucket < points.getSize()) {
*** 172,181 ****
--- 179,193 ----
                                  IQuantity org = super.getEndX();
                                  return (org == MISSING_END) ? null : org;
                          }
  
                          @Override
+                         public String getName() {
+                                 return text;
+                         }
+ 
+                         @Override
                          public String getDescription() {
                                  return description;
                          }
                  }