+ const int signal_margin =
+ QFontMetrics(QApplication::font()).height() / 2;
+ return make_pair(-SignalHeight - signal_margin, signal_margin);
+}
+
+int LogicSignal::scale_handle_offset() const
+{
+ return SignalHeight;
+}
+
+void LogicSignal::scale_handle_dragged(int offset)
+{
+ (void)offset;