Viewport: Allow for vertical dragging as well

[pulseview.git] / pv / view / viewport.hpp

diff --git a/pv/view/viewport.hpp b/pv/view/viewport.hpp
index c2c42d155d79bf9ecbe28ed54b2741f37271b554..704e73115514b2183cb4ce058b86bbc9a9000a9d 100644 (file)
--- a/pv/view/viewport.hpp
+++ b/pv/view/viewport.hpp
@@ -97,6 +97,7 @@ private:
 
 private:
        boost::optional<pv::util::Timestamp> drag_offset_;
+       int drag_v_offset_;
 
        double pinch_offset0_;
        double pinch_offset1_;