View: Determine time unit and use it in other classes

[pulseview.git] / pv / view / view.hpp

diff --git a/pv/view/view.hpp b/pv/view/view.hpp
index 2c81e74782cbbac3d3948aec2c9ca963d90632ae..b7d35e3c4102207998243147b0d2ab942c31d8c7 100644 (file)
--- a/pv/view/view.hpp
+++ b/pv/view/view.hpp
@@ -34,6 +34,7 @@
 #include <QTimer>
 
 #include <pv/data/signaldata.hpp>
+#include <pv/util.hpp>
 
 #include "cursorpair.hpp"
 #include "flag.hpp"
@@ -129,6 +130,11 @@ public:
         */
        double tick_period() const;
 
+       /**
+        * Returns the unit of time currently used.
+        */
+       util::TimeUnit time_unit() const;
+
        /**
         * Returns the number of nested parents that this row item owner has.
         */
@@ -259,6 +265,8 @@ private:
                        std::shared_ptr<Signal> > &signal_map,
                std::set< std::shared_ptr<Trace> > &add_list);
 
+       void determine_time_unit();
+
 private:
        bool eventFilter(QObject *object, QEvent *event);
 
@@ -306,6 +314,7 @@ private:
 
        double tick_period_;
        unsigned int tick_prefix_;
+       util::TimeUnit time_unit_;
 
        bool show_cursors_;
        std::shared_ptr<CursorPair> cursors_;