X-Git-Url: http://sigrok.org/gitweb/?a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Ftimeitem.hpp;h=c9b322c7703c1d44287e9f14232e98697f1ca24d;hb=9f094349d415a37ec30fa2aa2bb6c979c03d6bc1;hp=dd8d3c4a67c16a982b740475418c9c3827bace12;hpb=1573bf16ba50d1c023ad3a9ce596f0ab6eaeacff;p=pulseview.git

diff --git a/pv/views/trace/timeitem.hpp b/pv/views/trace/timeitem.hpp
index dd8d3c4a..c9b322c7 100644
--- a/pv/views/trace/timeitem.hpp
+++ b/pv/views/trace/timeitem.hpp
@@ -28,8 +28,11 @@ namespace trace {
 
 class View;
 
+/**
+ * The TimeItem class represents items on the @ref Ruler. It is generic in
+ * nature, not making assumptions about the kind of item shown.
+ */
 class TimeItem : public ViewItem
-
 {
 	Q_OBJECT
 
@@ -46,8 +49,12 @@ public:
 	 */
 	virtual void set_time(const pv::util::Timestamp& time) = 0;
 
+	virtual const pv::util::Timestamp time() const = 0;
+
 	virtual float get_x() const = 0;
 
+	virtual const pv::util::Timestamp delta(const pv::util::Timestamp& other) const;
+
 	/**
 	 * Drags the item to a delta relative to the drag point.
 	 * @param delta the offset from the drag point.