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io_selector.h

/*
    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_ui_io_selector_h__
#define __ardour_ui_io_selector_h__

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

#include <string>

#include <glibmm/thread.h>

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

#include <ardour_dialog.h>


namespace ARDOUR {
      class IO;
      class Session;
      class PortInsert;
      class Port;
      class Redirect;
}

class IOSelector : public Gtk::VBox {
  public:
      IOSelector (ARDOUR::Session&, boost::shared_ptr<ARDOUR::IO>, bool for_input);
      ~IOSelector ();

      void redisplay ();

      enum Result {
            Cancelled,
            Accepted
      };

      sigc::signal<void,Result> Finished;

  protected:
      ARDOUR::Session& session;
      
  private:
      boost::shared_ptr<ARDOUR::IO> io;
      bool for_input;
      ARDOUR::Port *selected_port;
      sigc::connection page_selection_connection;

      Gtk::VBox main_box;
      Gtk::HBox port_and_selector_box;

      /* column model */

      struct PortDisplayModelColumns : public Gtk::TreeModel::ColumnRecord {

          PortDisplayModelColumns() { 
                add (displayed_name);
                add (full_name);
          }

          Gtk::TreeModelColumn<Glib::ustring>       displayed_name;
          Gtk::TreeModelColumn<Glib::ustring>       full_name;
      };

      PortDisplayModelColumns port_display_columns;

      /* client/port selection */

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

      /* ports */

      Gtk::VBox port_box;
      Gtk::HBox port_button_box;
      Gtk::VBox port_and_button_box;
      Gtk::Frame port_frame;
      Gtk::Button add_port_button;
      Gtk::Button remove_port_button;
      Gtk::Button clear_connections_button;
      Gtk::ScrolledWindow port_display_scroller;

      Glib::Mutex port_display_lock;
      slist<Gtk::TreeView *> port_displays;
      void display_ports ();

      void rescan ();
      void clear_connections ();

      bool port_selection_changed(GdkEventButton *, Gtk::TreeView*);

      void ports_changed (ARDOUR::IOChange, void *);
      void name_changed (void*);

      void add_port ();
      void remove_port ();
      void set_button_sensitivity ();

      gint connection_button_release (GdkEventButton *, Gtk::TreeView*);
      
      void select_treeview(Gtk::TreeView*);
      void select_next_treeview ();
};

class IOSelectorWindow : public ArdourDialog
{
  public:
      IOSelectorWindow (ARDOUR::Session&, boost::shared_ptr<ARDOUR::IO>, bool for_input, bool can_cancel=false);
      ~IOSelectorWindow ();

      IOSelector& selector() { return _selector; }

  protected:
      void on_map ();
      
  private:
      IOSelector _selector;

      /* overall operation buttons */

      Gtk::Button ok_button;
      Gtk::Button cancel_button;
      Gtk::Button rescan_button;
      Gtk::HBox button_box;

      void rescan ();
      void cancel ();
      void accept ();
};


class PortInsertUI : public Gtk::VBox
{
  public: 
      PortInsertUI (ARDOUR::Session&, boost::shared_ptr<ARDOUR::PortInsert>);
      
      void redisplay ();
      void finished (IOSelector::Result);

  private:
      
      Gtk::HBox  hbox;
      IOSelector input_selector;
      IOSelector output_selector;
      
};

class PortInsertWindow : public ArdourDialog
{
  public: 
      PortInsertWindow (ARDOUR::Session&, boost::shared_ptr<ARDOUR::PortInsert>, bool can_cancel=false);
      
  protected:
      void on_map ();
      
  private:
      
      PortInsertUI _portinsertui;
      Gtk::VBox vbox;
      
      Gtk::Button ok_button;
      Gtk::Button cancel_button;
      Gtk::Button rescan_button;
      Gtk::Frame button_frame;
      Gtk::HBox button_box;
      
      void rescan ();
      void cancel ();
      void accept ();

      void plugin_going_away ();
      sigc::connection going_away_connection;
};


#endif /* __ardour_ui_io_selector_h__ */

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