fp8_strip.h

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/*
 * Copyright (C) 2017 Robin Gareus <robin@gareus.org>
 *
 * 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_surfaces_fp8strip_h_
#define _ardour_surfaces_fp8strip_h_
 
#include <cstdint>
#include <memory>
 
#include "pbd/signals.h"
#include "pbd/controllable.h"
 
#include "fp8_base.h"
#include "fp8_button.h"
 
#ifdef FADERPORT16
# define N_STRIPS 16
#elif defined FADERPORT2
# define N_STRIPS 1
#else
# define N_STRIPS 8
#endif
 
namespace ARDOUR {
        class Stripable;
        class AutomationControl;
        class PeakMeter;
        class ReadOnlyControl;
}
 
namespace ArdourSurface { namespace FP_NAMESPACE {
 
class FP8Strip
{
public:
        FP8Strip (FP8Base& b, uint8_t id);
        ~FP8Strip ();
 
        enum CtrlElement {
                BtnSolo,
                BtnMute,
                BtnSelect,
                Fader,
                Meter,
                Redux,
                BarVal,
                BarMode
        };
 
        static uint8_t midi_ctrl_id (CtrlElement type, uint8_t id);
 
        FP8ButtonInterface& solo_button () { return _solo; }
        FP8ButtonInterface& mute_button () { return _mute; }
        FP8ButtonInterface& selrec_button () { return _selrec; }
        FP8ButtonInterface& recarm_button () { return *_selrec.button_shift(); }
        FP8ButtonInterface& select_button () { return *_selrec.button(); }
 
        void set_select_button_color (uint32_t color) {
                if ((color & 0xffffff00) == 0) {
                        select_button ().set_color (0xffffffff);
                } else {
                        select_button ().set_color (color);
                }
        }
 
        bool midi_touch (bool t);
        bool midi_fader (float val);
 
        void initialize (); // call only when connected, sends midi
 
        void set_select_cb (std::function<void ()>&);
 
        enum DisplayMode {
                Stripables,
                PluginSelect, // no clock display
                PluginParam, // param value
                SendDisplay, // param value + select-bar
        };
 
        void set_periodic_display_mode (DisplayMode m);
 
        // convenience function to call all set_XXX_controllable
        void set_stripable (std::shared_ptr<ARDOUR::Stripable>, bool panmode);
        void set_text_line (uint8_t, std::string const&, bool inv = false);
 
        enum CtrlMask {
                CTRL_FADER  = 0x001,
                CTRL_MUTE   = 0x002,
                CTRL_SOLO   = 0x004,
                CTRL_REC    = 0x004,
                CTRL_PAN    = 0x008,
                CTRL_SELECT = 0x010,
                CTRL_TEXT0  = 0x100,
                CTRL_TEXT1  = 0x200,
                CTRL_TEXT2  = 0x400,
                CTRL_TEXT3  = 0x800,
 
                CTRL_TEXT01 = 0x300,
                CTRL_TEXT   = 0xf00,
                CTRL_ALL    = 0xfff,
        };
 
        void unset_controllables (int which = CTRL_ALL);
 
        void set_fader_controllable  (std::shared_ptr<ARDOUR::AutomationControl>);
        void set_mute_controllable   (std::shared_ptr<ARDOUR::AutomationControl>);
        void set_solo_controllable   (std::shared_ptr<ARDOUR::AutomationControl>);
        void set_rec_controllable    (std::shared_ptr<ARDOUR::AutomationControl>);
        void set_pan_controllable    (std::shared_ptr<ARDOUR::AutomationControl>);
        void set_select_controllable (std::shared_ptr<ARDOUR::AutomationControl>);
 
private:
        FP8Base&  _base;
        uint8_t   _id;
        FP8MomentaryButton _solo;
        FP8MomentaryButton _mute;
        FP8ARMSensitiveButton _selrec;
 
        bool _touching;
 
        PBD::ScopedConnection _base_connection; // periodic
        PBD::ScopedConnectionList _button_connections;
 
        std::string _stripable_name;
 
        std::shared_ptr<ARDOUR::AutomationControl> _fader_ctrl;
        std::shared_ptr<ARDOUR::AutomationControl> _mute_ctrl;
        std::shared_ptr<ARDOUR::AutomationControl> _solo_ctrl;
        std::shared_ptr<ARDOUR::AutomationControl> _rec_ctrl;
        std::shared_ptr<ARDOUR::AutomationControl> _pan_ctrl;
        std::shared_ptr<ARDOUR::AutomationControl> _x_select_ctrl;
 
        PBD::ScopedConnection _fader_connection;
        PBD::ScopedConnection _mute_connection;
        PBD::ScopedConnection _solo_connection;
        PBD::ScopedConnection _rec_connection;
        PBD::ScopedConnection _pan_connection;
        PBD::ScopedConnection _x_select_connection;
 
        std::shared_ptr<ARDOUR::PeakMeter> _peak_meter;
        std::shared_ptr<ARDOUR::ReadOnlyControl> _redux_ctrl;
 
        void set_x_select_controllable (std::shared_ptr<ARDOUR::AutomationControl>);
        std::function<void ()> _select_plugin_functor;
 
        void drop_automation_controls ();
 
        PBD::Controllable::GroupControlDisposition group_mode () const;
 
        /* notifications, update view */
        void notify_fader_changed ();
        void notify_solo_changed ();
        void notify_mute_changed ();
        void notify_rec_changed ();
        void notify_pan_changed ();
        void notify_x_select_changed ();
 
        /* actions, update model */
        void set_mute (bool);
        void set_solo (bool);
        void set_select ();
        void set_recarm ();
 
        /* periodic poll, update view */
        void set_strip_name ();
        void periodic_update_fader ();
        void periodic_update_meter ();
        void periodic_update_timecode (uint32_t);
        void periodic ();
 
        /* cache */
        unsigned short _last_fader;
        uint8_t _last_meter;
        uint8_t _last_redux;
        uint8_t _last_barpos;
 
        /* display */
        void set_strip_mode (uint8_t, bool clear = false);
        void set_bar_mode (uint8_t, bool force = false);
 
        uint8_t _strip_mode;
        uint8_t _bar_mode;
        DisplayMode _displaymode;
        std::string _last_line[4];
};
 
} } /* namespace */
#endif /* _ardour_surfaces_fp8strip_h_ */