X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fsmoothcontrol.cpp;h=293e0b3dcba7bf985dfe59904ad5fb7ae01682c3;hb=0639a524acf40293d79ebb65b20c27385a82431e;hp=e878ed850a76d9432368d280bf2d47dd5174af10;hpb=eb9a95ca4acbbdbc6c17acd6b8a135deab906f39;p=libs%2Fgui.git

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;