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livetrax/gtk2_ardour/panner2d.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

197 lines
4.9 KiB
C++

/*
* Copyright (C) 2005-2014 Paul Davis <paul@linuxaudiosystems.com>
* Copyright (C) 2005 Taybin Rutkin <taybin@taybin.com>
* Copyright (C) 2009-2011 Carl Hetherington <carl@carlh.net>
* Copyright (C) 2009-2011 David Robillard <d@drobilla.net>
* Copyright (C) 2014-2015 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_panner_2d_h__
#define __ardour_panner_2d_h__
#include <sys/types.h>
#include <map>
#include <vector>
#include <glibmm/refptr.h>
#include <gtkmm/drawingarea.h>
#include <gtkmm/window.h>
#include <gtkmm/box.h>
#include <gtkmm/button.h>
#include <gtkmm/spinbutton.h>
#include <gtkmm/adjustment.h>
#include "pbd/cartesian.h"
#include "ardour_window.h"
namespace ARDOUR {
class PannerShell;
}
namespace Gtk {
class Menu;
class CheckMenuItem;
}
namespace Pango {
class Container;
}
class Panner2dWindow;
class Panner2d : public Gtk::DrawingArea
{
public:
Panner2d (boost::shared_ptr<ARDOUR::PannerShell>, int32_t height);
~Panner2d ();
void allow_target_motion (bool);
int add_speaker (const PBD::AngularVector&);
int add_signal (const char* text, const PBD::AngularVector&);
void move_signal (int which, const PBD::AngularVector&);
void reset (uint32_t n_inputs);
void set_send_drawing_mode (bool);
boost::shared_ptr<ARDOUR::PannerShell> get_panner_shell() const { return panner_shell; }
void cart_to_gtk (PBD::CartesianVector&) const;
void gtk_to_cart (PBD::CartesianVector&) const;
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 *);
void on_size_allocate (Gtk::Allocation& alloc);
private:
class Target {
public:
PBD::AngularVector position;
bool visible;
std::string text;
Target (const PBD::AngularVector&, const char* txt = 0);
~Target ();
void set_text (const char*);
void set_selected (bool yn) {
_selected = yn;
}
bool selected() const {
return _selected;
}
private:
bool _selected;
};
struct ColorScheme {
uint32_t background;
uint32_t crosshairs;
uint32_t signalcircle_border;
uint32_t signalcircle;
uint32_t diffusion;
uint32_t diffusion_inv;
uint32_t pos_outline;
uint32_t pos_fill;
uint32_t signal_outline;
uint32_t signal_fill;
uint32_t speaker_fill;
uint32_t text;
};
static ColorScheme colors;
static void set_colors ();
static bool have_colors;
void color_handler ();
boost::shared_ptr<ARDOUR::PannerShell> panner_shell;
Glib::RefPtr<Pango::Layout> layout;
typedef std::vector<Target*> Targets;
Targets speakers;
Targets signals;
Target position;
Target *drag_target;
int width;
int height;
double radius;
double border;
double hoffset;
double voffset;
double last_width;
bool did_move;
bool have_elevation;
bool _send_mode;
Target *find_closest_object (gdouble x, gdouble y, bool& is_signal);
gint handle_motion (gint, gint, GdkModifierType);
void toggle_bypass ();
void handle_state_change ();
void handle_position_change ();
void label_signals ();
PBD::ScopedConnectionList panshell_connections;
PBD::ScopedConnectionList panner_connections;
/* cartesian coordinates in GTK units ; adjust to same but on a circle of radius 1.0
and centered in the middle of our area
*/
void clamp_to_circle (double& x, double& y);
void sphere_project (double& x, double& y, double& z);
};
class Panner2dWindow : public ArdourWindow
{
public:
Panner2dWindow (boost::shared_ptr<ARDOUR::PannerShell>, int32_t height, uint32_t inputs);
void reset (uint32_t n_inputs);
private:
Panner2d widget;
Gtk::HBox hpacker;
Gtk::VBox button_box;
Gtk::ToggleButton bypass_button;
Gtk::VBox spinner_box;
Gtk::VBox left_side;
Gtk::Adjustment width_adjustment;
Gtk::SpinButton width_spinner;
PBD::ScopedConnectionList panshell_connections;
PBD::ScopedConnectionList panvalue_connections;
void set_bypassed();
void set_width();
void pannable_handler ();
void bypass_toggled ();
void width_changed ();
bool on_key_press_event (GdkEventKey*);
bool on_key_release_event (GdkEventKey*);
};
#endif /* __ardour_panner_2d_h__ */