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livetrax/libs/surfaces/faderport/faderport.h

341 lines
8.1 KiB
C++

/*
* Copyright (C) 2015-2018 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2015 Ben Loftis <ben@harrisonconsoles.com>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef ardour_surface_faderport_h
#define ardour_surface_faderport_h
#include <list>
#include <map>
#include <set>
#include <glibmm/threads.h>
#define ABSTRACT_UI_EXPORTS
#include "pbd/abstract_ui.h"
#include "ardour/types.h"
#include "control_protocol/control_protocol.h"
namespace PBD {
class Controllable;
}
#include <midi++/types.h>
//#include "pbd/signals.h"
//#include "midi_byte_array.h"
#include "types.h"
#include "glibmm/main.h"
namespace MIDI {
class Parser;
class Port;
}
namespace ARDOUR {
class AsyncMIDIPort;
class Bundle;
class Port;
class Session;
class MidiPort;
}
class MIDIControllable;
class MIDIFunction;
class MIDIAction;
namespace ArdourSurface {
struct FaderPortRequest : public BaseUI::BaseRequestObject {
public:
FaderPortRequest () {}
~FaderPortRequest () {}
};
class FaderPort : public ARDOUR::ControlProtocol, public AbstractUI<FaderPortRequest> {
public:
FaderPort (ARDOUR::Session&);
virtual ~FaderPort();
int set_active (bool yn);
/* we probe for a device when our ports are connected. Before that,
there's no way to know if the device exists or not.
*/
static bool probe() { return true; }
static void* request_factory (uint32_t);
XMLNode& get_state ();
int set_state (const XMLNode&, int version);
bool has_editor () const { return true; }
void* get_gui () const;
void tear_down_gui ();
/* Note: because the FaderPort speaks an inherently duplex protocol,
we do not implement get/set_feedback() since this aspect of
support for the protocol is not optional.
*/
void do_request (FaderPortRequest*);
int stop ();
void thread_init ();
PBD::Signal0<void> ConnectionChange;
boost::shared_ptr<ARDOUR::Port> input_port();
boost::shared_ptr<ARDOUR::Port> output_port();
/* In a feat of engineering brilliance, the Presonus Faderport sends
* one button identifier when the button is pressed/released, but
* responds to another button identifier as a command to light the LED
* corresponding to the button. These ID's define what is sent
* for press/release; a separate data structure contains information
* on what to send to turn the LED on/off.
*
* One can only conclude that Presonus just didn't want to fix this
* issue because it contradicts their own documentation and is more or
* less the first thing you discover when programming the device.
*/
enum ButtonID {
Mute = 18,
Solo = 17,
Rec = 16,
Left = 19,
Bank = 20,
Right = 21,
Output = 22,
FP_Read = 10,
FP_Write = 9,
FP_Touch = 8,
FP_Off = 23,
Mix = 11,
Proj = 12,
Trns = 13,
Undo = 14,
Shift = 2,
Punch = 1,
User = 0,
Loop = 15,
Rewind = 3,
Ffwd = 4,
Stop = 5,
Play = 6,
RecEnable = 7,
Footswitch = 126,
FaderTouch = 127,
};
enum ButtonState {
ShiftDown = 0x1,
RewindDown = 0x2,
StopDown = 0x4,
UserDown = 0x8,
LongPress = 0x10
};
void set_action (ButtonID, std::string const& action_name, bool on_press, FaderPort::ButtonState = ButtonState (0));
std::string get_action (ButtonID, bool on_press, FaderPort::ButtonState = ButtonState (0));
std::list<boost::shared_ptr<ARDOUR::Bundle> > bundles ();
private:
boost::shared_ptr<ARDOUR::Stripable> _current_stripable;
boost::weak_ptr<ARDOUR::Stripable> pre_master_stripable;
boost::weak_ptr<ARDOUR::Stripable> pre_monitor_stripable;
boost::shared_ptr<ARDOUR::AsyncMIDIPort> _input_port;
boost::shared_ptr<ARDOUR::AsyncMIDIPort> _output_port;
// Bundle to represent our input ports
boost::shared_ptr<ARDOUR::Bundle> _input_bundle;
// Bundle to represent our output ports
boost::shared_ptr<ARDOUR::Bundle> _output_bundle;
PBD::ScopedConnectionList midi_connections;
bool midi_input_handler (Glib::IOCondition ioc, boost::weak_ptr<ARDOUR::AsyncMIDIPort> port);
mutable void *gui;
void build_gui ();
bool connection_handler (boost::weak_ptr<ARDOUR::Port>, std::string name1, boost::weak_ptr<ARDOUR::Port>, std::string name2, bool yn);
PBD::ScopedConnection port_connection;
enum ConnectionState {
InputConnected = 0x1,
OutputConnected = 0x2
};
int connection_state;
void connected ();
bool _device_active;
int fader_msb;
int fader_lsb;
bool fader_is_touched;
ARDOUR::microseconds_t last_encoder_time;
int last_good_encoder_delta;
int last_encoder_delta, last_last_encoder_delta;
void sysex_handler (MIDI::Parser &p, MIDI::byte *, size_t);
void button_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb);
void encoder_handler (MIDI::Parser &, MIDI::pitchbend_t pb);
void fader_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb);
ButtonState button_state;
friend class Button;
class Button {
public:
enum ActionType {
NamedAction,
InternalFunction,
};
Button (FaderPort& f, std::string const& str, ButtonID i, int o)
: fp (f)
, name (str)
, id (i)
, out (o)
, flash (false)
{}
void set_action (std::string const& action_name, bool on_press, FaderPort::ButtonState = ButtonState (0));
void set_action (boost::function<void()> function, bool on_press, FaderPort::ButtonState = ButtonState (0));
std::string get_action (bool press, FaderPort::ButtonState bs = ButtonState (0));
void set_led_state (boost::shared_ptr<MIDI::Port>, bool onoff);
bool invoke (ButtonState bs, bool press);
bool uses_flash () const { return flash; }
void set_flash (bool yn) { flash = yn; }
XMLNode& get_state () const;
int set_state (XMLNode const&);
sigc::connection timeout_connection;
private:
FaderPort& fp;
std::string name;
ButtonID id;
int out;
bool flash;
struct ToDo {
ActionType type;
/* could be a union if boost::function didn't require a
* constructor
*/
std::string action_name;
boost::function<void()> function;
};
typedef std::map<FaderPort::ButtonState,ToDo> ToDoMap;
ToDoMap on_press;
ToDoMap on_release;
};
typedef std::map<ButtonID,Button> ButtonMap;
ButtonMap buttons;
Button& get_button (ButtonID) const;
std::set<ButtonID> buttons_down;
std::set<ButtonID> consumed;
bool button_long_press_timeout (ButtonID id);
void start_press_timeout (Button&, ButtonID);
void all_lights_out ();
void close ();
void start_midi_handling ();
void stop_midi_handling ();
PBD::ScopedConnectionList session_connections;
void connect_session_signals ();
void map_recenable_state ();
void map_transport_state ();
sigc::connection periodic_connection;
bool periodic ();
sigc::connection blink_connection;
typedef std::list<ButtonID> Blinkers;
Blinkers blinkers;
bool blink_state;
bool blink ();
void start_blinking (ButtonID);
void stop_blinking (ButtonID);
void set_current_stripable (boost::shared_ptr<ARDOUR::Stripable>);
void drop_current_stripable ();
void use_master ();
void use_monitor ();
void stripable_selection_changed ();
PBD::ScopedConnection selection_connection;
PBD::ScopedConnectionList stripable_connections;
void map_stripable_state ();
void map_solo ();
void map_mute ();
bool rec_enable_state;
void map_recenable ();
void map_gain ();
void map_cut ();
void map_auto ();
void parameter_changed (std::string);
/* operations (defined in operations.cc) */
void read ();
void write ();
void left ();
void right ();
void touch ();
void off ();
void undo ();
void redo ();
void solo ();
void mute ();
void rec_enable ();
void ardour_pan_azimuth (int);
void ardour_pan_width (int);
void mixbus_pan (int);
void punch ();
};
}
#endif /* ardour_surface_faderport_h */