From 0639a524acf40293d79ebb65b20c27385a82431e Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 26 Sep 2007 17:20:50 +0000
Subject: [PATCH] Bugfixes for SmoothControl pairing

---
 source/smoothcontrol.cpp | 15 ++++++++++++++-
 source/smoothcontrol.h   |  2 ++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/source/smoothcontrol.cpp b/source/smoothcontrol.cpp
index e878ed8..293e0b3 100644
--- a/source/smoothcontrol.cpp
+++ b/source/smoothcontrol.cpp
@@ -27,6 +27,18 @@ SmoothControl::SmoothControl(Device &d, ControlSrcType t, unsigned i):
 	paired_ctrl(0)
 { }
 
+SmoothControl &SmoothControl::operator=(const SmoothControl &sc)
+{
+	Control::operator=(sc);
+
+	return *this;
+}
+
+SmoothControl::~SmoothControl()
+{
+	pair(0);
+}
+
 void SmoothControl::pair(SmoothControl *ctrl)
 {
 	if(ctrl==paired_ctrl)
@@ -34,8 +46,9 @@ void SmoothControl::pair(SmoothControl *ctrl)
 
 	if(paired_ctrl)
 	{
+		SmoothControl *old_pair=paired_ctrl;
 		paired_ctrl=0;
-		paired_ctrl->pair(0);
+		old_pair->pair(0);
 	}
 
 	paired_ctrl=ctrl;
diff --git a/source/smoothcontrol.h b/source/smoothcontrol.h
index 3c41d1c..26484a9 100644
--- a/source/smoothcontrol.h
+++ b/source/smoothcontrol.h
@@ -34,6 +34,8 @@ public:
 	SmoothControl();
 	SmoothControl(const ControlSource &);
 	SmoothControl(Device &, ControlSrcType, unsigned);
+	SmoothControl &operator=(const SmoothControl &);
+	virtual ~SmoothControl();
 
 	void pair(SmoothControl *ctrl);
 	float get_value() const { return value; }
-- 
2.43.0