From a38e6d7cf946ce15e4a67bcbd1ffbeaec532763a Mon Sep 17 00:00:00 2001
From: chatty
Date: Tue, 28 Nov 2000 14:52:15 +0000
Subject: Added Forget

---
 dnn/Reaction.cc | 27 +++++++++++++++++++--------
 1 file changed, 19 insertions(+), 8 deletions(-)

(limited to 'dnn')

diff --git a/dnn/Reaction.cc b/dnn/Reaction.cc
index 845d689..77dbb83 100644
--- a/dnn/Reaction.cc
+++ b/dnn/Reaction.cc
@@ -3,7 +3,7 @@
  *
  *	by Stephane Chatty
  *
- *	Copyright 1993-1994
+ *	Copyright 1993-1997
  *	Centre d'Etudes de la Navigation Aerienne (CENA)
  *
  *	Reactions.
@@ -42,12 +42,23 @@ DnnBaseReaction :: ~DnnBaseReaction ()
 		(*ti)->Unsubscribe (*this);
 }
 
+/*!
+Tell a reaction to forget a trigger. This special function is used only
+when destroying a trigger.
+!*/
+void
+DnnBaseReaction :: Forget (DnnTrigger& t)
+{
+	Triggers.Remove (&t);
+	Grabbed.Remove (&t);
+}
+
 /*?nextdoc?*/
 void
-DnnBaseReaction :: SubscribeTo (DnnTrigger& t)
+DnnBaseReaction :: SubscribeTo (DnnTrigger& t, REL_PRIORITY p)
 {
 	Triggers.Append (&t);
-	t.Subscribe (*this);
+	t.Subscribe (*this, (DnnTrigger::REL_PRIORITY) p);
 }
 
 /*?
@@ -90,8 +101,8 @@ DnnBaseReaction :: Manage (DnnEvent&)
 {
 }
 
-/*?class DnnReaction
-The class \typ{DnnReaction} is a ready-to-use derived class of \typ{DnnBaseReaction}.
+/*?class DnnCallback
+The class \typ{DnnCallback} is a ready-to-use derived class of \typ{DnnBaseReaction}.
 In this class, the function \fun{Manage} is redefined to call a function passed when creating
 the reaction.
 ?*/
@@ -100,20 +111,20 @@ the reaction.
 Build a reaction that will call \var{f} to handle events.
 \fun{f} has to take a \typ{DnnEvent\&} parameter and return \typ{void}.
 ?*/
-DnnReaction :: DnnReaction (DnnHandlingFunction f)
+DnnCallback :: DnnCallback (DnnHandlingFunction f)
 : DnnBaseReaction (),
   Handler (f)
 {
 }
 
 /*?nodoc?*/
-DnnReaction :: ~DnnReaction ()
+DnnCallback :: ~DnnCallback ()
 {
 }
 
 /*?nodoc?*/
 void
-DnnReaction :: Manage (DnnEvent& ev)
+DnnCallback :: Manage (DnnEvent& ev)
 {
 	(*Handler) (ev);
 }
-- 
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