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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
    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_connection_editor_h__
#define __ardour_gtk_connection_editor_h__

#if __GNUC__ >= 3
#include <ext/slist>
using __gnu_cxx::slist;
#include <slist.h>

#include <gtkmm/box.h>
#include <gtkmm/window.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/button.h>
#include <gtkmm/frame.h>
#include <gtkmm/notebook.h>
#include <gtkmm/treeview.h>
#include <gtkmm/liststore.h>

#include "ardour_dialog.h"

#include <glibmm/thread.h>

namespace ARDOUR {
      class Session;
      class Connection;

class ConnectionEditor : public ArdourDialog {
      ConnectionEditor ();
      ~ConnectionEditor ();

      void set_session (ARDOUR::Session *);

      void on_map ();

      ARDOUR::Connection *current_connection;
      int                 selected_port;
      bool                push_at_front;

      struct ConnectionDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {
          ConnectionDisplayModelColumns() { 
                add (name);
                add (connection);
          Gtk::TreeModelColumn<Glib::ustring> name;
          Gtk::TreeModelColumn<ARDOUR::Connection*> connection;

      ConnectionDisplayModelColumns connection_columns;

      Glib::RefPtr<Gtk::ListStore> input_connection_model;
      Glib::RefPtr<Gtk::ListStore> output_connection_model;

      Gtk::TreeView input_connection_display;
      Gtk::TreeView output_connection_display;
      Gtk::ScrolledWindow input_scroller;
      Gtk::ScrolledWindow output_scroller;

      Gtk::Frame input_frame;
      Gtk::Frame output_frame;
      Gtk::VBox input_box;
      Gtk::VBox output_box;
      Gtk::VBox connection_box;

      Gtk::HBox main_hbox;
      Gtk::VBox main_vbox;

      Gtk::VBox left_vbox;
      Gtk::VBox right_vbox;
      Gtk::VBox port_and_selector_box;

      Gtk::Button new_input_connection_button;
      Gtk::Button new_output_connection_button;
      Gtk::Button delete_connection_button;

      /* client/port selection */

      Gtk::Notebook notebook;
      Gtk::Button clear_client_button;
      Gtk::Frame selector_frame;
      Gtk::VBox selector_box;
      Gtk::HBox selector_button_box;

      /* connection displays */

      Gtk::HBox port_box;
      Gtk::HBox port_button_box;
      Gtk::VBox port_and_button_box;
      Gtk::Frame port_frame;
      Gtk::Button clear_button;
      Gtk::Button add_port_button;

      Glib::Mutex port_display_lock;
      slist<Gtk::ScrolledWindow *> port_displays;

      Gtk::Button ok_button;
      Gtk::Button cancel_button;
      Gtk::Button rescan_button;

      Gtk::Frame button_frame;
      Gtk::HBox  button_box;

      void new_connection (bool for_input);
      void delete_connection ();

      void display_ports ();
      void display_connection_state (bool for_input);

      void add_connection (ARDOUR::Connection *);
      void add_connection_and_select (ARDOUR::Connection *);
      void proxy_add_connection_and_select (ARDOUR::Connection *);
      void proxy_remove_connection (ARDOUR::Connection *);
      void remove_connection (ARDOUR::Connection *);
      void refill_connection_display ();

      void rescan ();
      void clear ();
      void cancel ();
      void accept ();

      void selection_changed (Gtk::TreeView* display);

      void add_port ();
      void remove_port (int which_port);

      void port_column_click (gint col, Gtk::TreeView* );
      gint port_button_event (GdkEventButton *, Gtk::TreeView*);
      gint connection_click (GdkEventButton *ev, Gtk::TreeView*);
      void connection_selection_changed (Gtk::TreeView&, Glib::RefPtr<Gtk::ListStore>&);

      sigc::connection config_connection;
      sigc::connection connect_connection;
      void configuration_changed (bool);
      void connections_changed (int, bool);

#endif /* __ardour_gtk_connection_editor_h__ */

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