X-Git-Url: https://git.carlh.net/gitweb/?a=blobdiff_plain;f=src%2Fvertical_position.h;h=7bc057ee132f7d0b76404b488f185a746684865c;hb=f187e4a08ca777c6e3e5de8037d165f9eea262f2;hp=6a0fff4313b9ad3e43d2b9dd3ab319e1c8881bbd;hpb=d6b067d2a2ec5f0490c9fb17ddd605d0e860480d;p=libsub.git

diff --git a/src/vertical_position.h b/src/vertical_position.h
index 6a0fff4..7bc057e 100644
--- a/src/vertical_position.h
+++ b/src/vertical_position.h
@@ -33,15 +33,19 @@ class VerticalPosition
 public:
 	/** as a proportion of screen height offset from some reference point */
 	boost::optional<float> proportional;
-	/** reference position for proportional */
-	boost::optional<VerticalReference> reference;
-	/** line number from the top of the screen */
+	/** line number offset from some reference point */
 	boost::optional<int> line;
-	
+	/** number of lines on the whole screen (i.e. height of the screen in lines) */
+	boost::optional<int> lines;
+	/** reference point */
+	boost::optional<VerticalReference> reference;
+
 	bool operator== (VerticalPosition const & other) const;
-	
+	bool operator< (VerticalPosition const & other) const;
+
+	float fraction_from_screen_top () const;
 };
-	
+
 }
 
 #endif