From: mfranz <mfranz>
Date: Mon, 30 Jan 2006 12:29:58 +0000 (+0000)
Subject: support optional setlistener() arg to fire callback function initially
X-Git-Url: https://git.mxchange.org/?a=commitdiff_plain;h=9efe35b86ad0c2873d6117865bdc3c646361f7f5;p=flightgear.git

support optional setlistener() arg to fire callback function initially
---

diff --git a/src/Scripting/NasalSys.cxx b/src/Scripting/NasalSys.cxx
index 9447f90be..001ee7043 100644
--- a/src/Scripting/NasalSys.cxx
+++ b/src/Scripting/NasalSys.cxx
@@ -618,7 +618,8 @@ void FGNasalSys::setListener(int argc, naRef* args)
         return;
 
     gcSave(handler);
-    node->addChangeListener(new FGNasalListener(handler, this));
+    bool initial = argc > 2 && naTrue(args[2]);
+    node->addChangeListener(new FGNasalListener(handler, this), initial);
 }
 
 // functions providing access to the NasalDisplay - used to display text directly on the screen