panner_ui.h

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/*
    Copyright (C) 2004 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_gtk_panner_ui_h__
#define __ardour_gtk_panner_ui_h__

#include <vector>

#include <gtkmm/box.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/arrow.h>
#include <gtkmm/togglebutton.h>
#include <gtkmm/button.h>

#include <gtkmm2ext/click_box.h>
#include <gtkmm2ext/slider_controller.h>

#include "ardour/session_handle.h"

#include "enums.h"

class Panner2d;
class Panner2dWindow;
class StereoPanner;
class MonoPanner;

namespace ARDOUR {
        class Session;
        class Panner;
        class PannerShell;
        class Delivery;
        class AutomationControl;
}

namespace Gtkmm2ext {
        class FastMeter;
}

namespace Gtk {
        class Menu;
        class Menuitem;
}

class PannerUI : public Gtk::HBox, public ARDOUR::SessionHandlePtr
{
  public:
        PannerUI (ARDOUR::Session*);
        ~PannerUI ();

        virtual void set_panner (boost::shared_ptr<ARDOUR::PannerShell>, boost::shared_ptr<ARDOUR::Panner>);

        void panshell_changed ();

        void update_pan_sensitive ();
        void update_gain_sensitive ();

        void set_width (Width);
        void setup_pan ();
        void set_available_panners(std::map<std::string,std::string>);
        void set_send_drawing_mode (bool);

        void effective_pan_display ();

        void set_meter_strip_name (std::string name);

        void on_size_allocate (Gtk::Allocation &);

        static void setup_slider_pix ();

  private:
        friend class MixerStrip;
        friend class SendUI;

        boost::shared_ptr<ARDOUR::PannerShell> _panshell;
        boost::shared_ptr<ARDOUR::Panner> _panner;
        PBD::ScopedConnectionList connections;
        PBD::ScopedConnectionList _pan_control_connections;

        bool ignore_toggle;
        bool in_pan_update;
        int _current_nouts;
        int _current_nins;
        std::string _current_uri;
        bool _send_mode;

        Panner2d*       twod_panner; 
        Panner2dWindow* big_window;

        Gtk::VBox           pan_bar_packer;
        Gtk::VBox           pan_vbox;
        Gtk::VBox           poswidth_box;
        Width              _width;

        StereoPanner*  _stereo_panner;
        MonoPanner*    _mono_panner;

        bool _ignore_width_change;
        bool _ignore_position_change;
        void width_adjusted ();
        void show_width ();
        void position_adjusted ();
        void show_position ();

        Gtk::Menu* pan_astate_menu;
        Gtk::Menu* pan_astyle_menu;

        Gtk::Button pan_automation_style_button;
        Gtk::ToggleButton pan_automation_state_button;

        void pan_value_changed (uint32_t which);
        void build_astate_menu ();
        void build_astyle_menu ();

        void hide_pans ();

        void panner_moved (int which);
        void panner_bypass_toggled ();

        gint start_pan_touch (GdkEventButton*);
        gint end_pan_touch (GdkEventButton*);

        bool pan_button_event (GdkEventButton*);

        Gtk::Menu* pan_menu;
        Gtk::CheckMenuItem* bypass_menu_item;
        void build_pan_menu ();
        void pan_reset ();
        void pan_bypass_toggle ();
        void pan_edit ();
        void pan_set_custom_type (std::string type);

        void pan_automation_state_changed();
        void pan_automation_style_changed();
        gint pan_automation_style_button_event (GdkEventButton *);
        gint pan_automation_state_button_event (GdkEventButton *);
        sigc::connection pan_watching;

        std::string astate_string (ARDOUR::AutoState);
        std::string short_astate_string (ARDOUR::AutoState);
        std::string _astate_string (ARDOUR::AutoState, bool);

        std::string astyle_string (ARDOUR::AutoStyle);
        std::string short_astyle_string (ARDOUR::AutoStyle);
        std::string _astyle_string (ARDOUR::AutoStyle, bool);

        void start_touch (boost::weak_ptr<ARDOUR::AutomationControl>);
        void stop_touch (boost::weak_ptr<ARDOUR::AutomationControl>);

        std::map<std::string,std::string> _panner_list;
        bool _suspend_menu_callbacks;
};

#endif /* __ardour_gtk_panner_ui_h__ */