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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: plugin_ui.h,v 1.38 2005/04/09 13:38:11 pauld Exp $

#ifndef __ardour_plugin_ui_h__
#define __ardour_plugin_ui_h__

#include <vector>
#include <map>
#include <list>

#include <sigc++/signal_system.h>

#include <gtk--.h>
#include <gtk--/socket.h>

#include <ardour_dialog.h>
#include <ardour/types.h>

namespace ARDOUR {
      class AudioEngine;
      class PluginInsert;
      class Plugin;
      class VSTPlugin;
      class Redirect;

namespace MIDI {
      class Controllable;

namespace Gtkmmext {
      class HSliderController;
      class BarController;
      class ClickBox;
      class FastMeter;
      class PixmapButton;

class PlugUIBase : public SigC::Object
      PlugUIBase (ARDOUR::PluginInsert&);
      virtual ~PlugUIBase() {}

      virtual gint get_preferred_height () = 0;
      virtual gint start_updating(GdkEventAny*) = 0;
      virtual gint stop_updating(GdkEventAny*) = 0;

      ARDOUR::PluginInsert& insert;
      ARDOUR::Plugin& plugin;
      Gtk::Combo combo;
      Gtk::Button save_button;
      Gtk::ToggleButton bypass_button;

      gint setting_selected(GdkEventAny* ignored);
      void save_plugin_setting (void);
      void bypass_toggled();

class PluginUI : public PlugUIBase, public Gtk::VBox 
      PluginUI (ARDOUR::AudioEngine &, ARDOUR::PluginInsert& plug, bool scrollable=false);
      ~PluginUI ();
      gint get_preferred_height () { return prefheight; }

      gint start_updating(GdkEventAny*);
      gint stop_updating(GdkEventAny*);

      ARDOUR::AudioEngine &engine;
      Gtk::HBox settings_box;
      Gtk::HBox hpacker;
      Gtk::VBox info_vbox;
      Gtk::EventBox name_ebox;
      Gtk::Table button_table;
      Gtk::Table output_table;

      Gtk::ScrolledWindow scroller;
      Gtk::Viewport scroller_view;
      Gtk::Label nameinfo_label;
      Gtk::Label paraminfo_label;
      Gtk::Label makerinfo_label;
      Gtk::Menu* automation_menu;

      bool setting_name_status;

      gint prefheight;
      bool is_scrollable;

      struct MeterInfo {
            Gtkmmext::FastMeter *meter;

            float           min;
            float           max;
            bool            min_unbound;
            bool            max_unbound;
            bool packed;
            MeterInfo(int i) { 
                  meter = 0;
                  packed = false;
                  min = 1.0e10;
                  max = -1.0e10;
                  min_unbound = false;
                  max_unbound = false;
      static const int32_t initial_button_rows = 6;
      static const int32_t initial_button_cols = 1;
      static const int32_t initial_output_rows = 8;
      static const int32_t initial_output_cols = 1;

      struct ControlUI : public Gtk::HBox {

          uint32_t      port_index;
          /* input */
          Gtk::Adjustment*          adjustment;
          Gtk::Combo*         combo;
          std::map<string, float>*  combo_map;
          Gtk::ToggleButton*        button;
          Gtkmmext::BarController*  control;
          Gtkmmext::ClickBox*       clickbox;
          Gtk::Label         label;
          bool               logarithmic;
          bool               update_pending;
          char               ignore_change;
          Gtk::Button        automate_button;
          /* output */

          Gtk::EventBox *display;
          Gtk::Label*    display_label;

          Gtk::VBox  *    vbox;
          MeterInfo  *    meterinfo;

          ControlUI ();
      std::vector<ControlUI*>   output_controls;
      SigC::Connection screen_update_connection;
      void output_update();
      void build (ARDOUR::AudioEngine &);
      ControlUI* build_control_ui (ARDOUR::AudioEngine &, guint32 port_index, MIDI::Controllable *);
      std::list<string> setup_scale_values(guint32 port_index, ControlUI* cui);
      void control_adjustment_changed (ControlUI* cui);
      void parameter_changed (uint32_t, float, ControlUI* cui);
      void update_control_display (ControlUI* cui);
      void control_port_toggled (ControlUI* cui);
      gint control_combo_changed (GdkEventAny* ignored, ControlUI* cui);
      gint entry_focus_event (GdkEventFocus* ev);

      void redirect_active_changed (ARDOUR::Redirect*, void*);

      void astate_clicked (ControlUI*, uint32_t parameter);
      void automation_state_changed (ControlUI*);
      void set_automation_state (ARDOUR::AutoState state, ControlUI* cui);
      void start_touch (ControlUI*);
      void stop_touch (ControlUI*);

      void print_parameter (char *buf, uint32_t len, uint32_t param);

class PluginUIWindow : public ArdourDialog
      PluginUIWindow (ARDOUR::AudioEngine &, ARDOUR::PluginInsert& insert, bool scrollable=false);
      ~PluginUIWindow ();

      PlugUIBase& pluginui() { return *_pluginui; }

      void resize_preferred();
      PlugUIBase* _pluginui;
      void plugin_going_away (ARDOUR::Redirect*);

class VSTPluginUI : public PlugUIBase, public Gtk::VBox
      VSTPluginUI (ARDOUR::PluginInsert&, ARDOUR::VSTPlugin&);
      ~VSTPluginUI ();

      gint get_preferred_height ();
      gint start_updating(GdkEventAny*) { return 0; }
      gint stop_updating(GdkEventAny*) { return 0; }

      int package (Gtk::Window&);

      ARDOUR::VSTPlugin&  vst;
      Gtk::Socket socket;
      Gtk::HBox   preset_box;
      Gtk::VBox   vpacker;
      gboolean configure_handler (GdkEventConfigure*, GtkSocket*);
      void save_plugin_setting ();

#endif /* __ardour_plugin_ui_h__ */

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