fixes for some stupid thinko-crash bugs with automation

git-svn-id: svn://localhost/ardour2/trunk@1168 d708f5d6-7413-0410-9779-e7cbd77b26cf

diff --git a/gtk2_ardour/automation_line.cc b/gtk2_ardour/automation_line.cc
index 18777def100328c8e0d131ed258dfd731c3493ad..116a3e63ba02540a51c4fafeef21d0789706b3a1 100644 (file)
--- a/gtk2_ardour/automation_line.cc
+++ b/gtk2_ardour/automation_line.cc
@@ -824,7 +824,11 @@ AutomationLine::point_drag (ControlPoint& cp, nframes_t x, float fraction, bool
        drag_x = x;
 
        modify_view_point (cp, x, fraction, with_push);
-       line->property_points() = line_points;
+
+       if (line_points.size() > 1) {
+               line->property_points() = line_points;
+       }
+
        drags++;
        did_push = with_push;
 }
@@ -848,6 +852,9 @@ AutomationLine::line_drag (uint32_t i1, uint32_t i2, float fraction, bool with_p
                modify_view_point (*cp, trackview.editor.unit_to_frame (cp->get_x()), ((_height - cp->get_y()) /_height) + ydelta, with_push);
        }
 
+       if (line_points.size() > 1) {
+               line->property_points() = line_points;
+       }
 
        drags++;
 }