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diff --git a/libs/surfaces/mackie/types.h b/libs/surfaces/mackie/types.h
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+/*
+	Copyright (C) 2006,2007 John Anderson
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU General Public License for more details.
+
+	You should have received a copy of the GNU General Public License
+	along with this program; if not, write to the Free Software
+	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+#ifndef mackie_types_h
+#define mackie_types_h
+
+namespace Mackie
+{
+
+/**
+	This started off as an enum, but it got really annoying
+	typing ? on : off
+*/
+class LedState
+{
+public:
+	enum state_t { none, off, flashing, on };
+	LedState()  : _state( none ) {}
+	LedState( bool yn ): _state( yn ? on : off ) {}
+	LedState( state_t state ): _state( state ) {}
+
+	bool operator == ( const LedState & other ) const
+	{
+		return state() == other.state();
+	}
+	
+	bool operator != ( const LedState & other ) const
+	{
+		return state() != other.state();
+	}
+	
+	state_t state() const { return _state; }
+	
+private:
+	state_t _state;
+};
+
+extern LedState on;
+extern LedState off;
+extern LedState flashing;
+extern LedState none;
+
+enum ButtonState { neither = -1, release = 0, press = 1 };
+
+/**
+	Contains the state for a control, with some convenience
+	constructors
+*/
+struct ControlState
+{
+	ControlState(): pos(0.0), delta(0.0), button_state(neither) {}
+	
+	ControlState( LedState ls ): pos(0.0), delta(0.0), led_state(ls), button_state(neither) {}
+	
+	// Note that this sets both pos and delta to the flt value
+	ControlState( LedState ls, float flt ): pos(flt), delta(flt), ticks(0), led_state(ls), button_state(neither) {}
+	ControlState( float flt ): pos(flt), delta(flt), ticks(0), led_state(none), button_state(neither) {}
+	ControlState( float flt, int tcks ): pos(flt), delta(flt), ticks(tcks), led_state(none), button_state(neither) {}
+	ControlState( ButtonState bs ): pos(0.0), delta(0.0), ticks(0), led_state(none), button_state(bs) {}
+	
+	float pos;
+	float delta;
+	int ticks;
+	LedState led_state;
+	ButtonState button_state;
+};
+
+class Control;
+class Fader;
+class Button;
+class Strip;
+class Group;
+class Pot;
+class Led;
+class LedRing;
+
+}
+
+#endif