instrument_selector.h

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/*
 * Copyright (C) 2016-2017 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 <string>
 
#include <ytkmm/combobox.h>
#include <ytkmm/comboboxtext.h>
#include <ytkmm/treemodel.h>
#include <ytkmm/liststore.h>
 
#include "pbd/signals.h"
 
#include "ardour/plugin.h"
#include "ardour/types.h"
#include "ardour/template_utils.h"
 
#include "ardour_dialog.h"
 
class Editor;
 
class InstrumentSelector : public Gtk::ComboBox
{
public:
        enum InstrumentListDisposition {
                ForAuditioner,    /* this will always return some synth, never 'None' */
                ForTrackDefault,  /* functionally same as ForAuditioner, but for tracks */
                ForTrackSelector  /* this provides the 'None' option so the user can add a synth later */
        };
 
        InstrumentSelector (InstrumentListDisposition);
 
        ARDOUR::PluginInfoPtr selected_instrument () const;
        std::string selected_instrument_name () const;
 
        static sigc::signal<void> DropPluginInfoPtr;
 
private:
        struct InstrumentListColumns : public Gtk::TreeModel::ColumnRecord {
                InstrumentListColumns() {
                        add(name);
                        add(info_ptr);
                }
                Gtk::TreeModelColumn<std::string>           name;
                Gtk::TreeModelColumn<ARDOUR::PluginInfoPtr> info_ptr;
        };
 
        void build_instrument_list();
        void refill();
        void drop_plugin_ptr();
 
        std::string                                      _longest_instrument_name;
 
        Glib::RefPtr<Gtk::ListStore> _instrument_list;
        InstrumentListColumns        _instrument_list_columns;
        uint32_t                     _reasonable_synth_id;
        uint32_t                     _gmsynth_id;
        InstrumentListDisposition    _disposition;
        PBD::ScopedConnection        _update_connection;
};