panner_interface.h

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/*
 * Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
 * Copyright (C) 2014-2017 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.
 */
 
#pragma once
 
#include <memory>
 
#include <gtkmm/drawingarea.h>
#include <gtkmm/label.h>
#include "gtkmm2ext/persistent_tooltip.h"
 
#include "pbd/destructible.h"
 
namespace PBD {
        class Controllable;
}
 
namespace ARDOUR {
        class Panner;
}
 
class PannerEditor;
 
class PannerPersistentTooltip : public Gtkmm2ext::PersistentTooltip
{
public:
        PannerPersistentTooltip (Gtk::Widget* w);
 
        void target_start_drag ();
        void target_stop_drag ();
 
        bool dragging () const;
 
private:
        bool _dragging;
};
 
 
class PannerInterface : public Gtk::DrawingArea, public PBD::Destructible
{
public:
        PannerInterface (std::shared_ptr<ARDOUR::Panner>);
        virtual ~PannerInterface ();
 
        std::shared_ptr<ARDOUR::Panner> panner () {
                return _panner;
        }
 
        void edit ();
        void set_send_drawing_mode (bool);
 
protected:
        virtual void set_tooltip () = 0;
        virtual std::weak_ptr<PBD::Controllable> proxy_controllable () const = 0;
 
        void value_change ();
 
        bool on_enter_notify_event (GdkEventCrossing *);
        bool on_leave_notify_event (GdkEventCrossing *);
        bool on_key_release_event  (GdkEventKey *);
        bool on_button_press_event (GdkEventButton*);
        bool on_button_release_event (GdkEventButton*);
 
        std::shared_ptr<ARDOUR::Panner> _panner;
        PannerPersistentTooltip _tooltip;
 
        bool _send_mode;
 
private:
        virtual PannerEditor* editor () = 0;
        PannerEditor* _editor;
};