Label and Heading are now selectable

label.go

@@ -13,5 +13,7 @@ func NewLabel (text string) *Label {
 	this.SetRole(tomo.R("objects", "Label"))
 	this.SetText(text)
 	this.SetAttr(tomo.AAlign(tomo.AlignStart, tomo.AlignMiddle))
+	this.SetSelectable(true)
+	this.SetFocusable(true)
 	return this
 }