X-Git-Url: https://sigrok.org/gitweb/?p=pulseview.git;a=blobdiff_plain;f=pv%2Fviews%2Ftrace%2Fruler.hpp;h=9d708ce027bc9bfaca3ed6610c81fb338ea5dae6;hp=d7cab4d74caa54f1ef4600d9d1bf37a9d1f0bef8;hb=e887fe9e6ede73b9fe9ace9c6bfd4f6a096eb3b2;hpb=581724de334181fc5338f1efa87954264cf90520

diff --git a/pv/views/trace/ruler.hpp b/pv/views/trace/ruler.hpp
index d7cab4d7..9d708ce0 100644
--- a/pv/views/trace/ruler.hpp
+++ b/pv/views/trace/ruler.hpp
@@ -117,11 +117,18 @@ public:
 		unsigned precision = 0,
 		bool sign = true);
 
-	pv::util::Timestamp get_time_from_x_pos(uint32_t x) const;
+	pv::util::Timestamp get_absolute_time_from_x_pos(uint32_t x) const;
+	pv::util::Timestamp get_ruler_time_from_x_pos(uint32_t x) const;
+
+	pv::util::Timestamp get_ruler_time_from_absolute_time(const pv::util::Timestamp& abs_time) const;
+	pv::util::Timestamp get_absolute_time_from_ruler_time(const pv::util::Timestamp& ruler_time) const;
+
+	shared_ptr<TimeItem> get_reference_item() const;
 
 protected:
 	virtual void contextMenuEvent(QContextMenuEvent *event) override;
 	void resizeEvent(QResizeEvent*) override;
+	virtual void item_hover(const shared_ptr<ViewItem> &item, QPoint pos) override;
 
 private:
 	/**
@@ -176,6 +183,8 @@ private Q_SLOTS:
 	void invalidate_tick_position_cache();
 
 	void on_createMarker();
+	void on_setZeroPosition();
+	void on_resetZeroPosition();
 	void on_toggleHoverMarker();
 
 private:
@@ -185,6 +194,8 @@ private:
 	 */
 	boost::optional<TickPositions> tick_position_cache_;
 
+	shared_ptr<TimeItem> hover_item_;
+
 	uint32_t context_menu_x_pos_;
 };