From 73d4dc248a97c11538e83bed6dddf486785804e1 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Tue, 8 Apr 2014 21:47:53 +0300
Subject: [PATCH] Implement halt in the dummy driver

---
 source/libr2c2/dummy.cpp | 15 +++++++++++++++
 source/libr2c2/dummy.h   |  5 +++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/source/libr2c2/dummy.cpp b/source/libr2c2/dummy.cpp
index cfee074..c28a3e1 100644
--- a/source/libr2c2/dummy.cpp
+++ b/source/libr2c2/dummy.cpp
@@ -18,6 +18,18 @@ void Dummy::set_power(bool p)
 	signal_power.emit(power);
 }
 
+void Dummy::halt(bool h)
+{
+	halted = h;
+	if(halted)
+	{
+		for(map<unsigned, LocoState>::iterator i=locos.begin(); i!=locos.end(); ++i)
+			if(i->second.speed)
+				set_loco_speed(i->first, 0);
+	}
+	signal_halt.emit(halted);
+}
+
 const char *Dummy::enumerate_protocols(unsigned i) const
 {
 	if(i==0)
@@ -65,6 +77,9 @@ unsigned Dummy::get_turnout(unsigned addr) const
 
 void Dummy::set_loco_speed(unsigned addr, unsigned speed)
 {
+	if(speed && halted)
+		return;
+
 	LocoState &loco = locos[addr];
 	loco.speed = speed;
 	signal_loco_speed.emit(addr, speed, loco.reverse);
diff --git a/source/libr2c2/dummy.h b/source/libr2c2/dummy.h
index 6943413..f7b48cf 100644
--- a/source/libr2c2/dummy.h
+++ b/source/libr2c2/dummy.h
@@ -25,6 +25,7 @@ private:
 	};
 
 	bool power;
+	bool halted;
 	std::map<unsigned, TurnoutState> turnouts;
 	std::map<unsigned, LocoState> locos;
 	std::map<unsigned, bool> sensors;
@@ -35,8 +36,8 @@ public:
 
 	virtual void set_power(bool);
 	virtual bool get_power() const { return power; }
-	virtual void halt(bool) { }
-	virtual bool is_halted() const { return false; }
+	virtual void halt(bool);
+	virtual bool is_halted() const { return halted; }
 
 	virtual const char *enumerate_protocols(unsigned) const;
 	virtual unsigned get_protocol_speed_steps(const std::string &) const;
-- 
2.43.0