101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/*
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Copyright (C) 2006,2007 John Anderson
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef surface_port_h
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#define surface_port_h
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#include <sigc++/signal.h>
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#include <glibmm/thread.h>
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#include "midi_byte_array.h"
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#include "types.h"
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namespace MIDI {
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class Port;
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}
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namespace Mackie
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{
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/**
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Make a relationship between a midi port and a Mackie device.
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*/
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class SurfacePort : public sigc::trackable
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{
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public:
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SurfacePort( MIDI::Port & port, int number );
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virtual ~SurfacePort();
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// when this is successful, active() should return true
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virtual void open() = 0;
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// subclasses should call this before doing their own close
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virtual void close() = 0;
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/// read bytes from the port. They'll either end up in the
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/// parser, or if that's not active they'll be returned
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MidiByteArray read();
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/// an easier way to output bytes via midi
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void write( const MidiByteArray & );
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/// write a sysex message
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void write_sysex( const MidiByteArray & mba );
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void write_sysex( MIDI::byte msg );
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// return the correct sysex header for this port
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virtual const MidiByteArray & sysex_hdr() const = 0;
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MIDI::Port & port() { return _port; }
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const MIDI::Port & port() const { return _port; }
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// all control notofications are sent from here
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sigc::signal<void, SurfacePort &, Control &, const ControlState &> control_event;
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// emitted just before the port goes into initialisation
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// where it tries to establish that its device is connected
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sigc::signal<void> init_event;
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// emitted when the port completes initialisation successfully
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sigc::signal<void> active_event;
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// emitted when the port goes inactive (ie a read or write failed)
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sigc::signal<void> inactive_event;
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// the port number - master is 0, extenders are 1,2,3,4
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virtual int number() const { return _number; }
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// number of strips handled by this port. Usually 8.
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virtual int strips() const = 0;
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virtual bool active() const { return _active; }
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virtual void active( bool yn ) { _active = yn; }
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private:
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MIDI::Port & _port;
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int _number;
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bool _active;
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Glib::RecMutex _rwlock;
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};
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std::ostream & operator << ( std::ostream & , const SurfacePort & port );
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}
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#endif
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