TechDraw: Refractor tracker action with proper enum

src/Mod/TechDraw/Gui/QGTracker.h

@@ -44,13 +44,15 @@ namespace TechDrawGui
 class QGSPage;
 class QGIView;
 
-//TODO: make this a proper enum
-static constexpr int TRACKERPICK(0);
-static constexpr int TRACKEREDIT(1);
-static constexpr int TRACKERCANCEL(2);
-static constexpr int TRACKERCANCELEDIT(3);
-static constexpr int TRACKERFINISHED(4);
-static constexpr int TRACKERSAVE(5);
+enum TrackerAction
+{
+    PICK = 0,
+    EDIT = 1,
+    CANCEL = 2,
+    CANCELEDIT = 3,
+    FINISHED = 4,
+    SAVE = 5
+};
 
 class TechDrawGuiExport QGTracker : public QObject, public QGIPrimPath
 {