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    Copyright (C) 2000-2006 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_plugin_ui_h__
#define __ardour_plugin_ui_h__

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

#include <sigc++/signal.h>

#include <gtkmm/button.h>
#include <gtkmm/box.h>
#include <gtkmm/table.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/viewport.h>
#include <gtkmm/scrolledwindow.h>
#include <gtkmm/label.h>
#include <gtkmm/menu.h>
#include <gtkmm/image.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/togglebutton.h>
#include <gtkmm/socket.h>
#include <gtkmm/combobox.h>
#include <gtkmm/liststore.h>
#include <gtkmm/comboboxtext.h>
#include <gtkmm/socket.h>

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

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

00057 namespace PBD {
      class Controllable;

namespace Gtkmm2ext {
      class HSliderController;
      class BarController;
      class ClickBox;
      class FastMeter;
      class PixmapButton;

class PlugUIBase : public virtual sigc::trackable
      PlugUIBase (boost::shared_ptr<ARDOUR::PluginInsert>);
      virtual ~PlugUIBase();

      virtual gint get_preferred_height () = 0;
      virtual gint get_preferred_width () = 0;
      virtual bool start_updating(GdkEventAny*) = 0;
      virtual bool stop_updating(GdkEventAny*) = 0;
      virtual void activate () {}
      virtual void deactivate () {}

      virtual void update_presets ();

      virtual bool on_window_show(const Glib::ustring& title) { return true; }
      virtual void on_window_hide() {}

      boost::shared_ptr<ARDOUR::PluginInsert> insert;
      boost::shared_ptr<ARDOUR::Plugin> plugin;
      Gtk::ComboBoxText preset_combo;
      Gtk::Button save_button;
      Gtk::ToggleButton bypass_button;
      Gtk::EventBox focus_button;
      Gtk::Image* focus_out_image;
      Gtk::Image* focus_in_image;
      bool no_load_preset;

      void setting_selected();
      void save_plugin_setting (void);
      bool focus_toggled(GdkEventButton*);
      void bypass_toggled();
      void redirect_active_changed (ARDOUR::Redirect* r, void* src);

      void plugin_going_away ();

class GenericPluginUI : public PlugUIBase, public Gtk::VBox 
      GenericPluginUI (boost::shared_ptr<ARDOUR::PluginInsert> plug, bool scrollable=false);
      ~GenericPluginUI ();
      gint get_preferred_height () { return prefheight; }
      gint get_preferred_width () { return -1; }
      bool start_updating(GdkEventAny*);
      bool stop_updating(GdkEventAny*);

      Gtk::HBox settings_box;
      Gtk::HBox hpacker;
      Gtk::Table button_table;
      Gtk::Table output_table;

      Gtk::ScrolledWindow scroller;
      Gtk::Adjustment hAdjustment;
      Gtk::Adjustment vAdjustment;
      Gtk::Viewport scroller_view;
      Gtk::Menu* automation_menu;

      gint prefheight;
      bool is_scrollable;

      struct MeterInfo {
            Gtkmm2ext::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 = 12;
      static const int32_t initial_button_cols = 1;
      static const int32_t initial_output_rows = 1;
      static const int32_t initial_output_cols = 4;

      struct ControlUI : public Gtk::HBox {

          uint32_t      port_index;
          /* input */
          Gtk::Adjustment*          adjustment;
          Gtk::ComboBoxText*        combo;
          std::map<string, float>*  combo_map;
          Gtk::ToggleButton*        button;
          Gtkmm2ext::BarController*  control;
          Gtkmm2ext::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::HBox  *    hbox;
            Gtk::VBox  *    vbox;
          MeterInfo  *    meterinfo;

          ControlUI ();
      std::vector<ControlUI*>   output_controls;
      sigc::connection screen_update_connection;
      void output_update();
      void build ();
      ControlUI* build_control_ui (guint32 port_index, PBD::Controllable *);
      std::vector<string> setup_scale_values(guint32 port_index, ControlUI* cui);
      void control_adjustment_changed (ControlUI* cui);
      void parameter_changed (uint32_t, float, ControlUI* cui);
      void toggle_parameter_changed (uint32_t, float, ControlUI* cui);
      void update_control_display (ControlUI* cui);
      void control_port_toggled (ControlUI* cui);
      void control_combo_changed (ControlUI* cui);

      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 Gtk::Window
      PluginUIWindow (Gtk::Window*, boost::shared_ptr<ARDOUR::PluginInsert> insert, bool scrollable=false);
      ~PluginUIWindow ();

      PlugUIBase& pluginui() { return *_pluginui; }

      void resize_preferred();
      void set_parent (Gtk::Window*);

      bool on_enter_notify_event (GdkEventCrossing*);
      bool on_leave_notify_event (GdkEventCrossing*);
      bool on_focus_in_event (GdkEventFocus*);
      bool on_focus_out_event (GdkEventFocus*);
      bool on_key_press_event (GdkEventKey*);
      bool on_key_release_event (GdkEventKey*);
      void on_show ();
      void on_hide ();
      void on_map ();

      void set_title(const Glib::ustring& title);

      Glib::ustring _title;
      PlugUIBase* _pluginui;
      sigc::connection death_connection;
      Gtk::Window* parent;
      Gtk::VBox vbox;
      bool non_gtk_gui;
      bool was_visible;

      void app_activated (bool);
      void plugin_going_away ();

      bool create_vst_editor (boost::shared_ptr<ARDOUR::PluginInsert>);
      bool create_audiounit_editor (boost::shared_ptr<ARDOUR::PluginInsert>);
      bool create_lv2_editor (boost::shared_ptr<ARDOUR::PluginInsert>);

class VSTPluginUI : public PlugUIBase, public Gtk::VBox
      VSTPluginUI (boost::shared_ptr<ARDOUR::PluginInsert>, boost::shared_ptr<ARDOUR::VSTPlugin>);
      ~VSTPluginUI ();

      gint get_preferred_height ();
      gint get_preferred_width ();
      bool start_updating(GdkEventAny*) {return false;}
      bool stop_updating(GdkEventAny*) {return false;}

      int package (Gtk::Window&);

      boost::shared_ptr<ARDOUR::VSTPlugin>  vst;
      Gtk::Socket socket;
      Gtk::HBox   preset_box;
      Gtk::VBox   vpacker;
      bool configure_handler (GdkEventConfigure*, Gtk::Socket*);
      void save_plugin_setting ();

      struct PresetModelColumns : public Gtk::TreeModel::ColumnRecord {
          PresetModelColumns() { 
                add (name);
                add (number);
          Gtk::TreeModelColumn<Glib::ustring> name;
          Gtk::TreeModelColumn<int> number;

      PresetModelColumns preset_columns;
      Glib::RefPtr<Gtk::ListStore> preset_model;
      Gtk::ComboBox vst_preset_combo;

      void create_preset_store ();
      void preset_chosen ();
#endif // VST_SUPPORT

/* this function has to be in a .mm file */
extern PlugUIBase* create_au_gui (boost::shared_ptr<ARDOUR::PluginInsert>, Gtk::VBox**);

#endif /* __ardour_plugin_ui_h__ */

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