meter_strip.h

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/*
 * Copyright (C) 2013-2017 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2016 Paul Davis <paul@linuxaudiosystems.com>
 *
 * 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.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */
 
#ifndef __ardour_meter_strip__
#define __ardour_meter_strip__
 
#include <vector>
#include <cmath>
 
#include <gtkmm/alignment.h>
#include <gtkmm/box.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/separator.h>
 
#include "pbd/stateful.h"
 
#include "ardour/types.h"
#include "ardour/ardour.h"
 
#include "widgets/ardour_button.h"
#include "widgets/ardour_knob.h"
 
#include "level_meter.h"
#include "route_ui.h"
 
namespace ARDOUR {
        class Route;
        class RouteGroup;
        class Session;
}
 
class MeterStrip : public Gtk::VBox, public AxisView, public RouteUI
{
public:
        MeterStrip (ARDOUR::Session*, std::shared_ptr<ARDOUR::Route>);
        MeterStrip (int, ARDOUR::MeterType);
        ~MeterStrip ();
 
        std::string name() const;
        Gdk::Color color () const;
 
        std::shared_ptr<ARDOUR::Stripable> stripable() const { return RouteUI::stripable(); }
 
        void set_session (ARDOUR::Session* s);
        void fast_update ();
        std::shared_ptr<ARDOUR::Route> route() { return _route; }
 
        static PBD::Signal<void(MeterStrip*)> CatchDeletion;
        static PBD::Signal<void()> MetricChanged;
        static PBD::Signal<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();
 
        bool selected() const { return false; }
 
protected:
        std::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;
        ArdourWidgets::ArdourButton name_label;
        ArdourWidgets::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::HBox gain_box;
 
        Gtk::Alignment meter_align;
        Gtk::Alignment peak_align;
        Gtk::HBox peakbx;
        Gtk::VBox btnbox;
        ArdourWidgets::ArdourButton peak_display;
 
        std::vector<ARDOUR::DataType> _types;
        ARDOUR::MeterType metric_type;
 
        bool _clear_meters;
        bool _meter_peaked;
        bool _has_midi;
        int _tick_bar;
        int _strip_type;
        int _metricmode;
 
        LevelMeterHBox *level_meter;
 
        ArdourWidgets::ArdourKnob gain_control;
 
        void route_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 gain_start_touch (int);
        void gain_end_touch (int);
 
        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__ */