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livetrax/gtk2_ardour/stereo_panner.h

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3.2 KiB
C++

/*
* Copyright (C) 2010-2015 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2011-2012 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2011-2014 David Robillard <d@drobilla.net>
* Copyright (C) 2014-2017 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 __gtk_ardour_stereo_panner_h__
#define __gtk_ardour_stereo_panner_h__
#include "pbd/signals.h"
#include "widgets/binding_proxy.h"
#include "panner_interface.h"
namespace ARDOUR {
class PannerShell;
}
namespace PBD {
class Controllable;
}
namespace ARDOUR {
class Panner;
}
class StereoPanner : public PannerInterface
{
public:
StereoPanner (boost::shared_ptr<ARDOUR::PannerShell>);
~StereoPanner ();
boost::shared_ptr<PBD::Controllable> get_position_controllable() const { return position_control; }
boost::shared_ptr<PBD::Controllable> get_width_controllable() const { return width_control; }
sigc::signal<void> StartPositionGesture;
sigc::signal<void> StopPositionGesture;
sigc::signal<void> StartWidthGesture;
sigc::signal<void> StopWidthGesture;
protected:
bool on_expose_event (GdkEventExpose*);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
bool on_motion_notify_event (GdkEventMotion*);
bool on_scroll_event (GdkEventScroll*);
bool on_key_press_event (GdkEventKey*);
boost::weak_ptr<PBD::Controllable> proxy_controllable () const
{
return boost::weak_ptr<PBD::Controllable> (position_binder.get_controllable());
}
private:
PannerEditor* editor ();
boost::shared_ptr<ARDOUR::PannerShell> _panner_shell;
boost::shared_ptr<PBD::Controllable> position_control;
boost::shared_ptr<PBD::Controllable> width_control;
PBD::ScopedConnectionList panvalue_connections;
PBD::ScopedConnectionList panshell_connections;
bool dragging_position;
bool dragging_left;
bool dragging_right;
int drag_start_x;
int last_drag_x;
double accumulated_delta;
bool detented;
ArdourWidgets::BindingProxy position_binder;
ArdourWidgets::BindingProxy width_binder;
void set_tooltip ();
struct ColorScheme {
uint32_t outline;
uint32_t fill;
uint32_t text;
uint32_t background;
uint32_t rule;
};
enum State {
Normal,
Mono,
Inverted
};
bool _dragging;
static Pango::AttrList panner_font_attributes;
static bool have_font;
static ColorScheme colors[3];
static uint32_t colors_send_bg;
static uint32_t colors_send_pan;
static void set_colors ();
static bool have_colors;
void color_handler ();
void bypass_handler ();
void pannable_handler ();
};
#endif /* __gtk_ardour_stereo_panner_h__ */