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livetrax/libs/surfaces/faderport8/faderport8.h

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/*
* Copyright (C) 2017 Robin Gareus <robin@gareus.org>
* Copyright (C) 2015 Paul Davis
*
* 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_faderport8_h
#define ardour_surface_faderport8_h
// allow to undo "mute clear", "solo clear"
// eventually this should use some libardour mixer history/undo
#define FP8_MUTESOLO_UNDO
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#include <list>
#include <map>
#include <glibmm/threads.h>
#define ABSTRACT_UI_EXPORTS
#include "pbd/abstract_ui.h"
#include "pbd/properties.h"
#include "ardour/types.h"
#include "ardour/async_midi_port.h"
#include "ardour/midi_port.h"
#include "control_protocol/control_protocol.h"
#include "fp8_base.h"
#include "fp8_controls.h"
namespace MIDI {
class Parser;
}
namespace ARDOUR {
class Bundle;
class Session;
class Processor;
}
namespace ArdourSurface {
struct FaderPort8Request : public BaseUI::BaseRequestObject
{
public:
FaderPort8Request () {}
~FaderPort8Request () {}
};
class FaderPort8 : public FP8Base, public ARDOUR::ControlProtocol, public AbstractUI<FaderPort8Request>
{
public:
FaderPort8 (ARDOUR::Session&);
virtual ~FaderPort8();
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);
/* configuration GUI */
bool has_editor () const { return true; }
void* get_gui () const;
void tear_down_gui ();
PBD::Signal0<void> ConnectionChange;
void set_button_action (FP8Controls::ButtonId, bool, std::string const&);
std::string get_button_action (FP8Controls::ButtonId, bool);
FP8Controls const& control () const { return _ctrls; }
int stop ();
void do_request (FaderPort8Request*);
void thread_init ();
boost::shared_ptr<ARDOUR::Port> input_port() const { return _input_port; }
boost::shared_ptr<ARDOUR::Port> output_port() const { return _output_port; }
std::list<boost::shared_ptr<ARDOUR::Bundle> > bundles ();
size_t tx_midi (std::vector<uint8_t> const&) const;
private:
void close ();
void start_midi_handling ();
void stop_midi_handling ();
/* I/O Ports */
PBD::ScopedConnectionList port_connections;
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boost::shared_ptr<ARDOUR::AsyncMIDIPort> _input_port;
boost::shared_ptr<ARDOUR::AsyncMIDIPort> _output_port;
boost::shared_ptr<ARDOUR::Bundle> _input_bundle;
boost::shared_ptr<ARDOUR::Bundle> _output_bundle;
bool midi_input_handler (Glib::IOCondition ioc, boost::weak_ptr<ARDOUR::AsyncMIDIPort> port);
bool connection_handler (std::string name1, std::string name2);
void engine_reset ();
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enum ConnectionState {
InputConnected = 0x1,
OutputConnected = 0x2
};
void connected ();
void disconnected ();
int _connection_state;
bool _device_active;
/* MIDI input message handling */
void sysex_handler (MIDI::Parser &p, MIDI::byte *, size_t);
void polypressure_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb);
void pitchbend_handler (MIDI::Parser &, uint8_t chan, MIDI::pitchbend_t pb);
void controller_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb);
void note_on_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb);
void note_off_handler (MIDI::Parser &, MIDI::EventTwoBytes* tb);
PBD::ScopedConnectionList midi_connections;
/* ***************************************************************************
* Control Elements
*/
FP8Controls _ctrls;
void notify_stripable_added_or_removed ();
void notify_fader_mode_changed ();
void filter_stripables (ARDOUR::StripableList& strips) const;
void assign_stripables (bool select_only = false);
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void set_periodic_display_mode (FP8Strip::DisplayMode);
void assign_strips (bool reset_bank);
void bank (bool down, bool page);
void move_selected_into_view ();
void select_prev_next (bool next);
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void assign_sends ();
void spill_plugins ();
void assign_processor_ctrls ();
void build_well_known_processor_ctrls (boost::shared_ptr<ARDOUR::Stripable>, bool);
void select_plugin (int num);
void bank_param (bool down, bool page);
/* bank offsets */
int _channel_off;
int _plugin_off;
int _parameter_off;
/* plugin + send mode stripable
*
* This is used when parameters of one strip are assigned to
* individual FP8Strip controls (Edit Send, Edit Plugins).
*
* When there's one stripable per FP8Strip, FP8Strip itself keeps
* track of the object lifetime and these are NULL.
*/
PBD::ScopedConnectionList processor_connections;
PBD::ScopedConnectionList assigned_stripable_connections;
typedef std::map<boost::shared_ptr<ARDOUR::Stripable>, uint8_t> StripAssignmentMap;
StripAssignmentMap _assigned_strips;
void drop_ctrl_connections ();
void select_strip (boost::weak_ptr<ARDOUR::Stripable>);
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void notify_pi_property_changed (const PBD::PropertyChange&);
void notify_stripable_property_changed (boost::weak_ptr<ARDOUR::Stripable>, const PBD::PropertyChange&);
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void notify_gui_track_selection_changed ();
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PBD::ScopedConnection selection_connection;
PBD::ScopedConnectionList automation_state_connections;
PBD::ScopedConnectionList modechange_connections;
/* **************************************************************************/
struct ProcessorCtrl {
ProcessorCtrl (std::string const &n, boost::shared_ptr<ARDOUR::AutomationControl> c)
: name (n)
, ac (c)
{}
std::string name;
boost::shared_ptr<ARDOUR::AutomationControl> ac;
};
std::list <ProcessorCtrl> _proc_params;
int _showing_well_known;
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/* **************************************************************************/
/* periodic updates, parameter poll */
sigc::connection _periodic_connection;
bool periodic ();
std::string _timecode;
std::string const& timecode () const { return _timecode; }
/* sync button blink -- the FP's blink mode does not work */
sigc::connection _blink_connection;
bool _blink_onoff;
bool blink_it ();
/* shift key */
sigc::connection _shift_connection;
bool _shift_lock;
int _shift_pressed;
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bool shift_timeout () { _shift_lock = true; return false; }
bool shift_mod () const { return _shift_lock || (_shift_pressed > 0); }
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/* GUI */
void build_gui ();
mutable void *gui;
/* setup callbacks & actions */
void connect_session_signals ();
void setup_actions ();
void send_session_state ();
/* callbacks */
PBD::ScopedConnectionList session_connections;
void notify_parameter_changed (std::string);
void notify_record_state_changed ();
void notify_transport_state_changed ();
void notify_loop_state_changed ();
void notify_snap_change ();
void notify_session_dirty_changed ();
void notify_history_changed ();
void notify_solo_changed ();
void notify_mute_changed ();
void notify_automation_mode_changed ();
/* actions */
PBD::ScopedConnectionList button_connections;
void button_play ();
void button_stop ();
void button_record ();
void button_loop ();
void button_metronom ();
void button_varispeed (bool);
#ifdef FP8_MUTESOLO_UNDO
void button_solo_clear ();
#endif
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void button_mute_clear ();
void button_arm (bool);
void button_arm_all ();
void button_automation (ARDOUR::AutoState);
void button_prev_next (bool);
void button_action (const std::string& group, const std::string& item);
void button_encoder ();
void button_parameter ();
void encoder_navigate (bool, int);
void encoder_parameter (bool, int);
/* mute undo history */
#ifdef FP8_MUTESOLO_UNDO
std::vector <boost::weak_ptr<ARDOUR::AutomationControl> > _mute_state;
std::vector <boost::weak_ptr<ARDOUR::AutomationControl> > _solo_state;
#endif
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/* user bound actions */
void button_user (bool, FP8Controls::ButtonId);
enum ActionType {
Unset,
NamedAction,
// InternalFunction, // unused
};
struct UserAction {
UserAction () : _type (Unset) {}
ActionType _type;
std::string _action_name;
//boost::function<void()> function; // unused
void clear ()
{
_type = Unset;
_action_name.clear();
}
void assign_action (std::string const& action_name)
{
if (action_name.empty ()) {
_type = Unset;
_action_name.clear();
} else {
_type = NamedAction;
_action_name = action_name;
}
}
bool empty () const
{
return _type == Unset;
}
void call (FaderPort8& _base) const
{
switch (_type) {
case NamedAction:
_base.access_action (_action_name);
break;
default:
break;
}
}
};
struct ButtonAction {
UserAction on_press;
UserAction on_release;
UserAction& action (bool press)
{
return press ? on_press : on_release;
}
UserAction const& action (bool press) const
{
return press ? on_press : on_release;
}
void call (FaderPort8& _base, bool press) const
{
action (press).call (_base);
}
bool empty () const
{
return on_press.empty () && on_release.empty();
}
};
typedef std::map<FP8Controls::ButtonId, ButtonAction> UserActionMap;
UserActionMap _user_action_map;
};
} /* namespace */
#endif /* ardour_surface_faderport8_h */