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livetrax/gtk2_ardour/level_meter.h

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/*
Copyright (C) 2002 Paul Davis
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_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 <gtkmm2ext/click_box.h>
#include <gtkmm2ext/focus_entry.h>
#include <gtkmm2ext/slider_controller.h>
#include <gtkmm2ext/fastmeter.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,
Gtkmm2ext::FastMeter::Orientation o = Gtkmm2ext::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 ();
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void setup_meters (int len=0, int width=3, int thin=2);
void set_type (ARDOUR::MeterType);
ARDOUR::MeterType get_type () { return meter_type; }
/** Emitted in the GUI thread when a button is pressed over the meter */
PBD::Signal1<bool, GdkEventButton *> ButtonPress;
PBD::Signal1<bool, GdkEventButton *> ButtonRelease;
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PBD::Signal1<void, ARDOUR::MeterType> MeterTypeChanged;
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;
Gtkmm2ext::FastMeter::Orientation _meter_orientation;
Width _width;
struct MeterInfo {
Gtkmm2ext::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;
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guint16 thin_meter_width;
std::vector<MeterInfo> meters;
float max_peak;
ARDOUR::MeterType meter_type;
ARDOUR::MeterType visible_meter_type;
PBD::ScopedConnection _configuration_connection;
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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);
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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__ */