138 lines
3.7 KiB
C++
138 lines
3.7 KiB
C++
/*
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* Copyright (C) 2021 Robin Gareus <robin@gareus.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#ifndef __gtk_ardour_input_port_monitor_h__
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#define __gtk_ardour_input_port_monitor_h__
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#include <gtkmm/box.h>
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#include <gtkmm/alignment.h>
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#include "gtkmm2ext/cairo_widget.h"
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#include "ardour/circular_buffer.h"
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#include "ardour/session_handle.h"
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namespace ArdourWidgets
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{
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class FastMeter;
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}
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class InputPortMonitor : public Gtk::EventBox
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{
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public:
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enum Orientation {
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Vertical,
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Horizontal
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};
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InputPortMonitor (ARDOUR::DataType, ARDOUR::samplecnt_t, Orientation);
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~InputPortMonitor ();
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void clear ();
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void update (float, float); // FastMeter
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void update (float const*); // EventMeter
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void update (ARDOUR::CircularSampleBuffer&); // InputScope
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void update (ARDOUR::CircularEventBuffer&); // EventMonitor
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private:
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class InputScope : public CairoWidget
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{
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public:
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InputScope (ARDOUR::samplecnt_t, int length , int gauge, Orientation);
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void update (ARDOUR::CircularSampleBuffer&);
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void clear ();
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void parameter_changed (std::string const&);
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protected:
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void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
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void on_size_request (Gtk::Requisition*);
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void on_size_allocate (Gtk::Allocation&);
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private:
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void dpi_reset ();
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int _pos;
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ARDOUR::samplecnt_t _rate;
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int _min_length;
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int _min_gauge;
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Orientation _orientation;
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float _clip_level;
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bool _show_clip;
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bool _logscale;
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Cairo::RefPtr<Cairo::ImageSurface> _surface;
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};
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class EventMeter : public CairoWidget
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{
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public:
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EventMeter (Orientation);
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void update (float const*);
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void clear ();
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protected:
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void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
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void on_size_request (Gtk::Requisition*);
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private:
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void dpi_reset ();
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Glib::RefPtr<Pango::Layout> _layout;
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float _chn[17];
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int _length;
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int _extent;
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Orientation _orientation;
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};
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class EventMonitor : public CairoWidget
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{
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public:
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EventMonitor (Orientation);
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void update (ARDOUR::CircularEventBuffer&);
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void clear ();
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protected:
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void render (Cairo::RefPtr<Cairo::Context> const&, cairo_rectangle_t*);
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void on_size_request (Gtk::Requisition*);
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private:
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void dpi_reset ();
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ARDOUR::CircularEventBuffer::EventList _l;
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Glib::RefPtr<Pango::Layout> _layout;
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int _width;
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int _height;
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Orientation _orientation;
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};
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void setup_audio_meter ();
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void color_handler ();
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void parameter_changed (std::string const&);
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Gtk::Box* _box;
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Gtk::Alignment _bin;
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ARDOUR::DataType _dt;
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ArdourWidgets::FastMeter* _audio_meter;
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InputScope* _audio_scope;
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EventMeter* _midi_meter;
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EventMonitor* _midi_monitor;
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Orientation _orientation;
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};
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#endif
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