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livetrax/gtk2_ardour/level_meter.h
Robin Gareus 4050ca5633
Update GPL boilerplate and (C)
Copyright-holder and year information is extracted from git log.

git history begins in 2005. So (C) from 1998..2005 is lost. Also some
(C) assignment of commits where the committer didn't use --author.
2019-08-03 15:53:15 +02:00

152 lines
4.1 KiB
C++

/*
* Copyright (C) 2008-2014 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2013-2019 Robin Gareus <robin@gareus.org>
*
* 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_gtk_track_meter_h__
#define __ardour_gtk_track_meter_h__
#include <vector>
#include <gtkmm/box.h>
#include <gtkmm/adjustment.h>
#include <gtkmm/frame.h>
#include <gtkmm/eventbox.h>
#include <gtkmm/button.h>
#include <gtkmm/table.h>
#include <gtkmm/drawingarea.h>
#include "ardour/types.h"
#include "ardour/chan_count.h"
#include "ardour/session_handle.h"
#include "widgets/fastmeter.h"
#include "widgets/focus_entry.h"
#include "widgets/slider_controller.h"
#include "enums.h"
namespace ARDOUR {
class Session;
class PeakMeter;
}
namespace Gtk {
class Menu;
}
class LevelMeterBase : public ARDOUR::SessionHandlePtr, virtual public sigc::trackable
{
public:
LevelMeterBase (ARDOUR::Session*, PBD::EventLoop::InvalidationRecord* ir,
ArdourWidgets::FastMeter::Orientation o = ArdourWidgets::FastMeter::Vertical);
virtual ~LevelMeterBase ();
virtual void set_meter (ARDOUR::PeakMeter* meter);
void update_gain_sensitive ();
float update_meters ();
void update_meters_falloff ();
void clear_meters (bool reset_highlight = true);
void hide_meters ();
void setup_meters (int len=0, int width=3, int thin=2);
void set_max_audio_meter_count (uint32_t cnt = 0);
/** Emitted in the GUI thread when a button is pressed over the meter */
PBD::Signal1<bool, GdkEventButton *> ButtonPress;
PBD::Signal1<bool, GdkEventButton *> ButtonRelease;
protected:
virtual void mtr_pack(Gtk::Widget &w) = 0;
virtual void mtr_remove(Gtk::Widget &w) = 0;
private:
PBD::EventLoop::InvalidationRecord* parent_invalidator;
ARDOUR::PeakMeter* _meter;
ArdourWidgets::FastMeter::Orientation _meter_orientation;
Width _width;
struct MeterInfo {
ArdourWidgets::FastMeter* meter;
gint16 width;
int length;
bool packed;
float max_peak;
MeterInfo() {
meter = 0;
width = 0;
length = 0;
packed = false;
max_peak = -INFINITY;
}
};
guint16 regular_meter_width;
int meter_length;
guint16 thin_meter_width;
std::vector<MeterInfo> meters;
float max_peak;
ARDOUR::MeterType visible_meter_type;
uint32_t midi_count;
uint32_t meter_count;
uint32_t max_visible_meters;
PBD::ScopedConnection _configuration_connection;
PBD::ScopedConnection _meter_type_connection;
PBD::ScopedConnection _parameter_connection;
void hide_all_meters ();
bool meter_button_press (GdkEventButton *);
bool meter_button_release (GdkEventButton *);
void parameter_changed (std::string);
void configuration_changed (ARDOUR::ChanCount in, ARDOUR::ChanCount out);
void meter_type_changed (ARDOUR::MeterType);
bool color_changed;
void color_handler ();
};
class LevelMeterHBox : public LevelMeterBase, public Gtk::HBox
{
public:
LevelMeterHBox (ARDOUR::Session*);
~LevelMeterHBox();
protected:
void mtr_pack(Gtk::Widget &w);
void mtr_remove(Gtk::Widget &w);
};
class LevelMeterVBox : public LevelMeterBase, public Gtk::VBox
{
public:
LevelMeterVBox (ARDOUR::Session*);
~LevelMeterVBox();
protected:
void mtr_pack(Gtk::Widget &w);
void mtr_remove(Gtk::Widget &w);
};
#endif /* __ardour_gtk_track_meter_h__ */