Remove things from the driver when no longer used

[r2c2.git] / source / libr2c2 / signal.cpp

diff --git a/source/libr2c2/signal.cpp b/source/libr2c2/signal.cpp
index 96c44d831d225cec9c06613c2500e779a8495558..73563b6e815d1d6b7d3c8fd6ca957a4120ca8cca 100644 (file)
--- a/source/libr2c2/signal.cpp
+++ b/source/libr2c2/signal.cpp
@@ -28,6 +28,8 @@ Signal::Signal(Layout &l, const SignalType &t):
 
 Signal::~Signal()
 {
+       if(layout.has_driver() && address)
+               layout.get_driver().remove_sensor(address);
        layout.remove(*this);
 }
 
@@ -41,10 +43,13 @@ Signal *Signal::clone(Layout *to_layout) const
 
 void Signal::set_address(unsigned a)
 {
+       Driver *driver = (layout.has_driver() ? &layout.get_driver() : 0);
+
+       if(driver && address)
+               driver->remove_signal(address);
        address = a;
-       
-       if(layout.has_driver() && address)
-               layout.get_driver().add_signal(address, type);
+       if(driver && address)
+               driver->add_signal(address, type);
 }
 
 void Signal::set_position(const Vector &p)