ardour/gtk2_ardour/stereo_panner.h
Carl Hetherington 6e79521e8b Move some bits from MonoPanner and StereoPanner into a
common base class.


git-svn-id: svn://localhost/ardour2/branches/3.0@11071 d708f5d6-7413-0410-9779-e7cbd77b26cf
2011-12-26 14:05:19 +00:00

93 lines
2.5 KiB
C++

/*
Copyright (C) 2010 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 __gtk_ardour_stereo_panner_h__
#define __gtk_ardour_stereo_panner_h__
#include "pbd/signals.h"
#include "gtkmm2ext/binding_proxy.h"
#include "panner_interface.h"
namespace PBD {
class Controllable;
}
namespace ARDOUR {
class Panner;
}
class StereoPanner : public PannerInterface
{
public:
StereoPanner (boost::shared_ptr<ARDOUR::Panner>);
~StereoPanner ();
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*);
private:
boost::shared_ptr<PBD::Controllable> position_control;
boost::shared_ptr<PBD::Controllable> width_control;
PBD::ScopedConnectionList connections;
bool dragging;
bool dragging_position;
bool dragging_left;
bool dragging_right;
int drag_start_x;
int last_drag_x;
double accumulated_delta;
bool detented;
BindingProxy position_binder;
BindingProxy width_binder;
void set_drag_data ();
struct ColorScheme {
uint32_t outline;
uint32_t fill;
uint32_t text;
uint32_t background;
uint32_t rule;
};
enum State {
Normal,
Mono,
Inverted
};
static ColorScheme colors[3];
static void set_colors ();
static bool have_colors;
void color_handler ();
};
#endif /* __gtk_ardour_stereo_panner_h__ */