patch_change.h

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/*
 * Copyright (C) 2013-2014 Paul Davis <paul@linuxaudiosystems.com>
 * Copyright (C) 2014 David Robillard <d@drobilla.net>
 * Copyright (C) 2016-2017 Nick Mainsbridge <mainsbridge@gmail.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 __PATCH_CHANGE_H__
#define __PATCH_CHANGE_H__
 
#include "canvas/flag.h"
 
class MidiRegionView;
 
namespace MIDI {
        namespace Name {
                struct PatchPrimaryKey;
        }
}
 
class PatchChange
{
public:
        PatchChange (MidiRegionView&                   region,
                     ArdourCanvas::Container*          parent,
                     double                            height,
                     double                            x,
                     double                            y,
                     ARDOUR::InstrumentInfo&           info,
                     ARDOUR::MidiModel::PatchChangePtr patch,
                     Gtkmm2ext::Color                  outline_color,
                     Gtkmm2ext::Color                  fill_color);
 
        ~PatchChange ();
 
        void initialize_popup_menus ();
 
        void on_patch_menu_selected (const MIDI::Name::PatchPrimaryKey& key);
 
        void move (ArdourCanvas::Duple);
        void set_height (ArdourCanvas::Distance);
        void hide ();
        void show ();
 
        void update_name ();
 
        double                            width ()       const { return _flag->width (); }
        ARDOUR::MidiModel::PatchChangePtr patch ()       const { return _patch; }
        ArdourCanvas::Item*               canvas_item () const { return _flag; }
        ArdourCanvas::Item&               item ()        const { return *_flag; }
 
private:
        bool event_handler (GdkEvent*);
 
        MidiRegionView&                   _region;
        ARDOUR::InstrumentInfo&           _info;
        ARDOUR::MidiModel::PatchChangePtr _patch;
        Gtk::Menu                         _popup;
        bool                              _popup_initialized;
        ArdourCanvas::Flag*               _flag;
};
 
#endif /* __PATCH_CHANGE_H__ */