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    Copyright (C) 2000 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.

    $Id: mixer_ui.h,v 1.44 2005/08/03 21:12:44 pauld Exp $

#ifndef __ardour_mixer_ui_h__
#define __ardour_mixer_ui_h__

#include <list>

#include <gtk--.h>

#include <ardour/ardour.h>
#include <ardour/stateful.h>
#include <ardour/io.h>

#include "keyboard_target.h"
#include "route_redirect_selection.h"
#include "enums.h"

namespace ARDOUR {
      class Route;
      class RouteGroup;
      class Session;
      class DiskStream;
      class AudioEngine;

class MixerStrip;
class PluginSelector;

class Mixer_UI : public Gtk::Window, public KeyboardTarget
      Mixer_UI (ARDOUR::AudioEngine&);

      void connect_to_session (ARDOUR::Session *);
      PluginSelector&  plugin_selector() { return *_plugin_selector; }

      void  set_strip_width (Width);
      Width get_strip_width () const { return _strip_width; }

      void unselect_strip_in_display (MixerStrip*);
      void select_strip_in_display (MixerStrip*);

      XMLNode& get_state (void);
      int set_state (const XMLNode& );

      void show_window ();

      void ensure_float (Gtk::Window&);

      RouteRedirectSelection& selection() { return _selection; }
      ARDOUR::AudioEngine&     engine;
      ARDOUR::Session         *session;
      Gtk::HBox                global_hpacker;
      Gtk::VBox                global_vpacker;
      Gtk::ScrolledWindow      scroller;
      Gtk::EventBox            scroller_base;
      Gtk::HBox                scroller_hpacker;
      Gtk::VBox                mixer_scroller_vpacker;
      Gtk::VBox                list_vpacker;
      Gtk::CList               track_display_list;
      Gtk::CList               group_list;
      Gtk::Label               group_list_button_label;
      Gtk::Button              group_list_button;
      Gtk::ScrolledWindow      track_display_scroller;
      Gtk::ScrolledWindow      group_list_scroller;
      Gtk::VBox          group_list_vbox;
      Gtk::Frame         track_display_frame;
      Gtk::Frame         group_list_frame;
      Gtk::VPaned        rhs_pane1;
      Gtk::VPaned        rhs_pane2;
      Gtk::HBox                strip_packer;
      Gtk::HBox                out_packer;
      Gtk::HPaned        list_hpane;

      void pane_allocation_handler (GtkAllocation*, Gtk::Paned*);
      list<MixerStrip *> strips;

      gint strip_scroller_button_release (GdkEventButton*);

      void add_strip (ARDOUR::Route*);
      void remove_strip (MixerStrip *);

      void show_strip (MixerStrip *);
      void hide_strip (MixerStrip *);

      void hide_all_strips (bool with_select);
      void unselect_all_strips();
      void select_all_strips ();
      void unselect_all_audiotrack_strips ();
      void select_all_audiotrack_strips ();
      void unselect_all_audiobus_strips ();
      void select_all_audiobus_strips ();

      void follow_strip_selection ();

      gint start_updating ();
      gint stop_updating ();

      void disconnect_from_session ();
      SigC::Connection screen_update_connection;
      void update_strips ();
      SigC::Connection fast_screen_update_connection;
      void fast_update_strips ();

      void snapshot_display_selected (gint row, gint col, GdkEvent* ev);

      void track_display_selected (gint row, gint col, GdkEvent *ev);
      void track_display_unselected (gint row, gint col, GdkEvent *ev);
      void queue_track_display_reordered (gint row, gint col);
      gint track_display_reordered ();
      void track_name_changed (MixerStrip *);

      void group_selected (gint row, gint col, GdkEvent *ev);
      void group_unselected (gint row, gint col, GdkEvent *ev);
      gint group_list_button_press_event (GdkEventButton *);
      void group_list_button_clicked();
      void new_mix_group ();
      void add_mix_group (ARDOUR::RouteGroup *);

      Gtk::Menu *track_menu;
      void track_column_click (gint);
      void build_track_menu ();

      PluginSelector    *_plugin_selector;

      void strip_name_changed (void *src, MixerStrip *);

      static GdkPixmap *check_pixmap;
      static GdkBitmap *check_mask;
      static GdkPixmap *empty_pixmap;
      static GdkBitmap *empty_mask;

      void group_flags_changed (void *src, ARDOUR::RouteGroup *);

      /* snapshots */
      Gtk::CList          snapshot_display;
      Gtk::ScrolledWindow snapshot_display_scroller;

      void       redisplay_snapshots();
      void       session_state_saved (string);

      gint strip_button_release_event (GdkEventButton*, MixerStrip*);

      RouteRedirectSelection _selection;

      Width _strip_width;

      static const int32_t default_width = -1;
      static const int32_t default_height = 765;

#endif /* __ardour_mixer_ui_h__ */

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