+static QString format_time_with_si(const Timestamp& t, QString unit,
+ int prefix, unsigned int precision)
+{
+ // The precision is always given without taking the prefix into account
+ // so we need to deduct the number of decimals the prefix might imply
+ const int prefix_order =
+ -(prefix * 3 + pv::util::FirstSIPrefixPower);
+
+ const unsigned int relative_prec =
+ (prefix >= EmptySIPrefix) ? precision :
+ std::max((int)(precision - prefix_order), 0);
+
+ return format_si_value(t, unit, prefix, relative_prec);
+}
+
+QString format_time(const Timestamp& t, int prefix, TimeUnit unit,
+ unsigned int precision)
+{
+ // Make 0 appear as 0, not random +0 or -0
+ if (t.is_zero())
+ return "0";
+
+ // If we have to use samples then we have no alternative formats
+ if (unit == Samples)
+ return format_time_with_si(t, "sa", prefix, precision);
+
+ // View in "normal" range -> medium precision, medium step size
+ // -> HH:MM:SS.mmm... or xxxx (si unit) if less than 60 seconds
+ // View zoomed way in -> high precision (>3), low step size (<1s)
+ // -> HH:MM:SS.mmm... or xxxx (si unit) if less than 60 seconds
+ if (abs(t) < 60)
+ return format_time_with_si(t, "s", prefix, precision);
+ else
+ return format_time_in_full(t, precision);
+}
+
+QString format_second(const Timestamp& second)
+{
+ return format_si_value(second, "s", -1, 0, false);
+}
+