return_ui.h

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/*
    Copyright (C) 2002 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 __ardour_gtk_return_ui_h__
#define __ardour_gtk_return_ui_h__

#include "gain_meter.h"
#include "panner_ui.h"
#include "ardour_window.h"

namespace ARDOUR {
        class Return;
        class IOProcessor;
}

class IOSelector;

class ReturnUI : public Gtk::HBox
{
  public:
        ReturnUI (Gtk::Window *,boost::shared_ptr<ARDOUR::Return>, ARDOUR::Session*);
        ~ReturnUI();

        void update ();
        void fast_update ();

        IOSelector* io;

        boost::shared_ptr<ARDOUR::Return>& retrn() { return _return; }

  private:
        boost::shared_ptr<ARDOUR::Return> _return;
        GainMeter                         _gpm;
        Gtk::VBox                         _vbox;
        Gtk::VBox                         _hbox;

        sigc::connection screen_update_connection;
        sigc::connection fast_screen_update_connection;
        PBD::ScopedConnection input_change_connection;

        void ins_changed (ARDOUR::IOChange, void*);
};

class ReturnUIWindow : public ArdourWindow
{
  public:
        ReturnUIWindow(boost::shared_ptr<ARDOUR::Return>, ARDOUR::Session*);
        ~ReturnUIWindow();

        ReturnUI* ui;

  private:
        Gtk::HBox hpacker;

        PBD::ScopedConnection going_away_connection;
};

#endif /* __ardour_gtk_return_ui_h__ */