Win32 fix

[flightgear.git] / src / Instrumentation / navradio.hxx

diff --git a/src/Instrumentation/navradio.hxx b/src/Instrumentation/navradio.hxx
index 41d662ff06f7ad6ddd540032c7ecacac7a713466..5aa1c722983f1b7e7aa952a36d1b3005b36649c2 100644 (file)
--- a/src/Instrumentation/navradio.hxx
+++ b/src/Instrumentation/navradio.hxx
@@ -39,7 +39,7 @@ class SGSampleGroup;
 class FGNavRecord;
 typedef SGSharedPtr<FGNavRecord> FGNavRecordPtr;
 
-class FGNavRadio : public SGSubsystem
+class FGNavRadio : public SGSubsystem, public SGPropertyChangeListener
 {
     FGMorse morse;
 
@@ -137,14 +137,11 @@ class FGNavRadio : public SGSubsystem
     string dme_fx_name;
 
     double target_radial;
-    SGTimeStamp prev_time;
-    SGTimeStamp curr_time;
     double effective_range;
     double target_gs;
     double twist;
     double horiz_vel;
     double last_x;
-    double last_loc_dist;
     double last_xtrack_error;
     double xrate_ms;
     double _localizerWidth; // cached localizer width in degrees
@@ -191,11 +188,6 @@ class FGNavRadio : public SGSubsystem
     
     void clearOutputs();
 
-    /**
-     * Compute the localizer width in degrees - see implementation for 
-     * more information on the relevant standards and formulae.
-     */
-    double localizerWidth(FGNavRecord* aLOC);
     FGNavRecord* findPrimaryNavaid(const SGGeod& aPos, double aFreqMHz);
     
     /// accessor for tied, read-only 'operable' property
@@ -212,6 +204,9 @@ class FGNavRadio : public SGSubsystem
       _tiedNodes.push_back(nd);
       nd->tie(aRawValue);
     }
+    
+  // implement SGPropertyChangeListener
+    virtual void valueChanged (SGPropertyNode * prop);
 public:
 
     FGNavRadio(SGPropertyNode *node);