surfaces/push2/mix.h

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/*
 * Copyright (C) 2016-2018 Paul Davis <paul@linuxaudiosystems.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_push2_mix_layout_h__
#define __ardour_push2_mix_layout_h__
 
#include "layout.h"
#include "push2.h"
 
namespace ARDOUR {
        class Stripable;
}
 
namespace ArdourCanvas {
        class Rectangle;
        class Text;
        class Line;
}
 
namespace ArdourSurface {
 
class Push2Knob;
class LevelMeter;
 
class MixLayout : public Push2Layout
{
   public:
        MixLayout (Push2& p, ARDOUR::Session&, std::string const &);
        ~MixLayout ();
 
        void render (ArdourCanvas::Rect const &, Cairo::RefPtr<Cairo::Context>) const;
        void show ();
 
        void button_upper (uint32_t n);
        void button_lower (uint32_t n);
        void button_down ();
        void button_up ();
        void button_left ();
        void button_right ();
        void button_select_press ();
        void button_select_release ();
        void button_solo ();
        void button_mute ();
 
        void strip_vpot (int, int);
        void strip_vpot_touch (int, bool);
 
        void update_meters ();
 
  private:
        ArdourCanvas::Rectangle*              _bg;
        ArdourCanvas::Line*                   _upper_line;
        std::vector<ArdourCanvas::Text*>      _upper_text;
        std::vector<ArdourCanvas::Text*>      _lower_text;
        std::vector<ArdourCanvas::Rectangle*> _upper_backgrounds;
        std::vector<ArdourCanvas::Rectangle*> _lower_backgrounds;
 
        struct GainMeter : public ArdourCanvas::Container {
                GainMeter (Item* parent, Push2&);
 
                Push2Knob*  knob;
                LevelMeter* meter;
        };
 
        GainMeter* gain_meter[8];
 
        /* stripables */
 
        int32_t                              _bank_start;
        PBD::ScopedConnectionList            _stripable_connections;
        std::shared_ptr<ARDOUR::Stripable> _stripable[8];
        PBD::ScopedConnectionList            _session_connections;
 
        void stripables_added ();
        void stripable_property_change (PBD::PropertyChange const& what_changed, uint32_t which);
 
        void switch_bank (uint32_t base);
 
        enum VPotMode {
                Volume,
                PanAzimuth,
                PanWidth,
                Send1, Send2, Send3, Send4, Send5
        };
 
        std::shared_ptr<Push2::Button> _mode_button;
        VPotMode                         _vpot_mode;
 
        void show_vpot_mode ();
 
        void solo_changed (uint32_t n);
        void mute_changed (uint32_t n);
        void solo_mute_changed (uint32_t n);
        void show_selection (uint32_t n);
        void hide_selection (uint32_t n);
};
 
} /* namespace */
 
#endif /* __ardour_push2_layout_h__ */