Add enhanced relative time to variable tab cells

lib/utils/time-helpers.cpp

@@ -0,0 +1,63 @@
+#include "time-helpers.hpp"
+#include "obs-module-helper.hpp"
+
+namespace advss {
+
+static QString combineRelativeTimeParts(const double unitCount,
+					const char *unitName)
+{
+	QString combined = obs_module_text("AdvSceneSwitcher.time.relative");
+
+	return combined.arg(QString::number(unitCount, 'g', 2)).arg(unitName);
+}
+
+QString FormatRelativeTime(const double seconds)
+{
+	// 365.2425 days
+	double divided = seconds / 31556952;
+	if (divided >= 1) {
+		return combineRelativeTimeParts(
+			divided,
+			obs_module_text("AdvSceneSwitcher.unit.years"));
+	}
+
+	// 30.436875 days
+	divided = seconds / 2629746;
+	if (divided >= 1) {
+		return combineRelativeTimeParts(
+			divided,
+			obs_module_text("AdvSceneSwitcher.unit.months"));
+	}
+
+	divided = seconds / 604800;
+	if (divided >= 1) {
+		return combineRelativeTimeParts(
+			divided,
+			obs_module_text("AdvSceneSwitcher.unit.weeks"));
+	}
+
+	divided = seconds / 86400;
+	if (divided >= 1) {
+		return combineRelativeTimeParts(
+			divided, obs_module_text("AdvSceneSwitcher.unit.days"));
+	}
+
+	divided = seconds / 3600;
+	if (divided >= 1) {
+		return combineRelativeTimeParts(
+			divided,
+			obs_module_text("AdvSceneSwitcher.unit.hours"));
+	}
+
+	divided = seconds / 60;
+	if (divided >= 1) {
+		return combineRelativeTimeParts(
+			divided,
+			obs_module_text("AdvSceneSwitcher.unit.minutes"));
+	}
+
+	return combineRelativeTimeParts(
+		seconds, obs_module_text("AdvSceneSwitcher.unit.seconds"));
+}
+
+} // namespace advss