Implement reset() in panners, and use it from the GUI (fixes #4196).

git-svn-id: svn://localhost/ardour2/branches/3.0@10282 d708f5d6-7413-0410-9779-e7cbd77b26cf

2 files changed, 10 insertions, 0 deletions

diff --git a/libs/panners/2in2out/panner_2in2out.cc b/libs/panners/2in2out/panner_2in2out.cc
index 1ac3974c49..c9dac08cf1 100644
--- a/libs/panners/2in2out/panner_2in2out.cc
+++ b/libs/panners/2in2out/panner_2in2out.cc
@@ -490,3 +490,11 @@ Panner2in2out::value_as_string (boost::shared_ptr<AutomationControl> ac) const
                 return _pannable->value_as_string (ac);
         }
 }
+
+void
+Panner2in2out::reset ()
+{
+	set_position (0.5);
+	set_width (1);
+	update ();
+}
diff --git a/libs/panners/2in2out/panner_2in2out.h b/libs/panners/2in2out/panner_2in2out.h
index 48f441fbd0..232d63ec62 100644
--- a/libs/panners/2in2out/panner_2in2out.h
+++ b/libs/panners/2in2out/panner_2in2out.h
@@ -66,6 +66,8 @@ class Panner2in2out : public Panner
 
         void update ();
 
+	void reset ();
+
   protected:
 	float left[2];
 	float right[2];