Merge pull request #58 from garakmon/master

macOS build fixes

editor.cpp

 #include <QCheckBox>
 #include <QPainter>
 #include <QMouseEvent>
+#include <math.h>
 
 bool selectingEvent = false;
 
     ui->spinBox_ConnectionOffset->setEnabled(enabled);
 
     if (!enabled) {
-        setConnectionEditControlValues(false);
+        setConnectionEditControlValues(0);
     }
 }