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meter_bridge.h

/*
    Copyright (C) 1999-2002 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.

    $Id: meter_bridge.h,v 1.4 2005/02/09 19:19:03 pauld Exp $
*/

#ifndef __ardour_meter_bridge_h__
#define __ardour_meter_bridge_h__

#include <list>

#include <gtk--/eventbox.h>
#include <gtk--/viewport.h>
#include <gtk--/scrolledwindow.h>
#include <gtk--/box.h>
#include <gtk--/fixed.h>
#include <gtk--/frame.h>

#include "keyboard_target.h"
#include "ardour_dialog.h"

class MeterBridgeStrip;

namespace ARDOUR {
      class Session;
      class Route;
}

class MeterBridge : public ArdourDialog
{

  public:
      MeterBridge ();
      ~MeterBridge ();

      void set_session (ARDOUR::Session*);
      void clear_all_meters ();
      void start_metering ();
      void stop_metering ();
      void toggle_metering ();

  protected:
      gint map_event_impl (GdkEventAny *);
      gint unmap_event_impl (GdkEventAny *);

  private:
      /* diskstream/recorder display */

      Gtk::Viewport            meter_viewport;
      Gtk::ScrolledWindow      meter_scroller;
      Gtk::EventBox            meter_scroll_base;
      Gtk::HBox                meter_scroller_hpacker;
      Gtk::VBox                meter_scroller_vpacker;
      Gtk::VBox                metering_vpacker;
      Gtk::VBox                metering_hpacker;

      Gtk::VBox                metering_vbox;
      Gtk::HBox                metering_hbox;
      Gtk::Fixed               upper_metering_box;
      Gtk::Fixed               lower_metering_box;
      Gtk::Fixed               meter_base;
      Gtk::Frame               meter_frame;

      list<MeterBridgeStrip*>  meters;
      
      bool                    metering;
      SigC::Connection        metering_connection;

      void update ();

      void add_route (ARDOUR::Route*);
      void remove_route (ARDOUR::Route*);
      void session_gone(); /* overrides ArdourDialog::session_gone() */
};

#endif /* __ardour_meter_bridge_h__ (*/

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