X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fwx%2Ftimeline.h;h=4ba1cc425f022b6fe11d634052f7915a5c012ee8;hb=e385ef84b198d9ec51c3d2a117d8ef8cfb7292d1;hp=35153dd175d4c13aa4f510656c3810a2a1bd38fc;hpb=e6f28e7cda23c1ba3c49cc1bf2dc1491c2f87160;p=dcpomatic.git

diff --git a/src/wx/timeline.h b/src/wx/timeline.h
index 35153dd17..4ba1cc425 100644
--- a/src/wx/timeline.h
+++ b/src/wx/timeline.h
@@ -52,7 +52,7 @@ public:
 		return 48;
 	}
 
-	double pixels_per_second () const {
+	boost::optional<double> pixels_per_second () const {
 		return _pixels_per_second;
 	}
 
@@ -96,7 +96,7 @@ private:
 	ViewList _views;
 	boost::shared_ptr<TimeAxisView> _time_axis_view;
 	int _tracks;
-	double _pixels_per_second;
+	boost::optional<double> _pixels_per_second;
 	bool _left_down;
 	wxPoint _down_point;
 	boost::shared_ptr<ContentView> _down_view;