Add default QDateTime delegate editor

widgets/DateTimeEdit.hpp

@@ -0,0 +1,23 @@
+#ifndef DATE_TIME_EDIT_HPP_
+#define DATE_TIME_EDIT_HPP_
+
+#include <QDateTimeEdit>
+
+class QWidget;
+
+//
+// DateTimeEdit - format includes seconds
+//
+class DateTimeEdit final
+  : public QDateTimeEdit
+{
+public:
+  explicit DateTimeEdit (QWidget * parent = nullptr)
+    : QDateTimeEdit {parent}
+  {
+    setDisplayFormat (locale ().dateFormat (QLocale::ShortFormat) + " hh:mm:ss");
+    setTimeSpec (Qt::UTC);
+  }
+};
+
+#endif