meter_strip.h

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/*
    Copyright (C) 2013 Paul Davis
    Author: Robin Gareus

    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_meter_strip__
#define __ardour_meter_strip__

#include <vector>

#include <cmath>

#include "pbd/stateful.h"

#include "ardour/types.h"
#include "ardour/ardour.h"
#include "route_ui.h"
#include "ardour_button.h"

#include "level_meter.h"

namespace ARDOUR {
        class Route;
        class RouteGroup;
        class Session;
}
namespace Gtk {
        class Window;
        class Style;
}

class MeterStrip : public Gtk::VBox, public RouteUI
{
  public:
        MeterStrip (ARDOUR::Session*, boost::shared_ptr<ARDOUR::Route>);
        MeterStrip (int, ARDOUR::MeterType);
        ~MeterStrip ();

        void set_session (ARDOUR::Session* s);
        void fast_update ();
        boost::shared_ptr<ARDOUR::Route> route() { return _route; }

        static PBD::Signal1<void,MeterStrip*> CatchDeletion;
        static PBD::Signal0<void> MetricChanged;
        static PBD::Signal0<void> ConfigurationChanged;

        void reset_peak_display ();
        void reset_route_peak_display (ARDOUR::Route*);
        void reset_group_peak_display (ARDOUR::RouteGroup*);

        void set_meter_type_multi (int, ARDOUR::RouteGroup*, ARDOUR::MeterType);

        void set_metric_mode (int, ARDOUR::MeterType);
        int  get_metric_mode() { return _metricmode; }
        void set_tick_bar (int);
        int  get_tick_bar() { return _tick_bar; }
        bool has_midi() { return _has_midi; }
        bool is_metric_display() { return _strip_type == 0; }
        ARDOUR::MeterType meter_type();

  protected:
        boost::shared_ptr<ARDOUR::Route> _route;
        PBD::ScopedConnectionList meter_route_connections;
        PBD::ScopedConnectionList level_meter_connection;
        void self_delete ();

        gint meter_metrics_expose (GdkEventExpose *);
        gint meter_ticks1_expose (GdkEventExpose *);
        gint meter_ticks2_expose (GdkEventExpose *);

        void on_theme_changed ();

        void on_size_allocate (Gtk::Allocation&);
        void on_size_request (Gtk::Requisition*);

        /* route UI */
        void blink_rec_display (bool onoff);
        std::string state_id() const;
        void set_button_names ();

  private:
        Gtk::VBox mtr_vbox;
        Gtk::VBox nfo_vbox;
        Gtk::EventBox mtr_container;
        Gtk::HSeparator mtr_hsep;
        Gtk::HBox meterbox;
        Gtk::HBox spacer;
        Gtk::HBox namebx;
        Gtk::VBox namenumberbx;
        ArdourButton name_label;
        ArdourButton number_label;
        Gtk::DrawingArea meter_metric_area;
        Gtk::DrawingArea meter_ticks1_area;
        Gtk::DrawingArea meter_ticks2_area;

        Gtk::HBox mutebox;
        Gtk::HBox solobox;
        Gtk::HBox recbox;
        Gtk::HBox mon_in_box;
        Gtk::HBox mon_disk_box;

        Gtk::Alignment meter_align;
        Gtk::Alignment peak_align;
        Gtk::HBox peakbx;
        Gtk::VBox btnbox;
        ArdourButton peak_display;

        std::vector<ARDOUR::DataType> _types;
        ARDOUR::MeterType metric_type;

        float max_peak;
        bool _has_midi;
        int _tick_bar;
        int _strip_type;
        int _metricmode;

        LevelMeterHBox *level_meter;

        void strip_property_changed (const PBD::PropertyChange&);
        void meter_configuration_changed (ARDOUR::ChanCount);
        void meter_type_changed (ARDOUR::MeterType);
        void update_background (ARDOUR::MeterType);

        bool peak_button_release (GdkEventButton*);

        void parameter_changed (std::string const & p);
        void redraw_metrics ();
        void update_button_box ();
        void update_name_box ();
        void name_changed ();
        
        void route_color_changed ();

        bool _suspend_menu_callbacks;
        bool level_meter_button_press (GdkEventButton* ev);
        void popup_level_meter_menu (GdkEventButton* ev);
        void add_level_meter_type_item (Gtk::Menu_Helpers::MenuList&, Gtk::RadioMenuItem::Group&, std::string const &, ARDOUR::MeterType);

        bool name_label_button_release (GdkEventButton* ev);
        void popup_name_label_menu (GdkEventButton* ev);
        void add_label_height_item (Gtk::Menu_Helpers::MenuList&, Gtk::RadioMenuItem::Group&, std::string const &, uint32_t);

        void set_meter_type (ARDOUR::MeterType mode);
        void set_label_height (uint32_t);
};

#endif /* __ardour_mixer_strip__ */