rec_info_box.h

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/*
 * Copyright (C) 2021 Robin Gareus <robin@gareus.org>
 * Copyright (C) 2021 Ben Loftis <ben@harrisonconsoles.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 _rec_info_box_h_
#define _rec_info_box_h_
 
#include "ardour/session_handle.h"
 
#include "gtkmm2ext/cairo_widget.h"
 
namespace ARDOUR {
        class Route;
}
 
class RecInfoBox : public CairoWidget, public ARDOUR::SessionHandlePtr
{
public:
        RecInfoBox ();
 
        virtual void set_session (ARDOUR::Session*);
 
protected:
        virtual void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*) = 0;
        virtual void dpi_reset () {}
 
        void on_size_request (Gtk::Requisition*);
        void on_size_allocate (Gtk::Allocation&);
        virtual void update ();
 
        Glib::RefPtr<Pango::Layout> _layout_label;
        Glib::RefPtr<Pango::Layout> _layout_value;
        int                         _width;
        int                         _height;
};
 
class DurationInfoBox : public RecInfoBox
{
public:
        virtual void set_session (ARDOUR::Session*);
 
protected:
        void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
        void dpi_reset ();
        virtual void update ();
 
private:
        void rec_state_changed ();
        sigc::connection _rectime_connection;
};
 
class XrunInfoBox : public RecInfoBox
{
public:
        virtual void set_session (ARDOUR::Session*);
        virtual void update ();
 
protected:
        void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
        void dpi_reset ();
};
 
class RemainInfoBox : public RecInfoBox
{
public:
        virtual void set_session (ARDOUR::Session*);
 
protected:
        void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
        void dpi_reset ();
        virtual void update ();
 
private:
        void count_recenabled_streams (ARDOUR::Route&);
        uint32_t         _rec_enabled_streams;
        sigc::connection _diskspace_connection;
};
 
#endif