patch_change.h

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/*
    Copyright (C) 2000-2010 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., 675 Mass Ave, Cambridge, MA 02139, 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,
                    const std::string&                text,
                    double                            height,
                    double                            x,
                    double                            y,
                    ARDOUR::InstrumentInfo&           info,
                    ARDOUR::MidiModel::PatchChangePtr patch);

        ~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 ();

        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__ */