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/*
Copyright (C) 1998-99 Paul Barton-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.
$Id: motionfeedback.h,v 1.1.1.1 2001/11/24 00:44:46 pbd Exp $
*/
#ifndef __gtkmm2ext_motion_feedback_h__
#define __gtkmm2ext_motion_feedback_h__
#include "pbd/signals.h"
#include <gdkmm/pixbuf.h>
#include <gtkmm/box.h>
#include <gtkmm/label.h>
#include <gtkmm/eventbox.h>
#include "gtkmm2ext/visibility.h"
#include "gtkmm2ext/binding_proxy.h"
#include "gtkmm2ext/prolooks-helpers.h"
namespace Gtk {
class Adjustment;
class SpinButton;
}
namespace Gtkmm2ext {
class LIBGTKMM2EXT_API MotionFeedback : public Gtk::VBox
{
public:
enum Type {
Rotary,
CenterSpring,
Endless
};
MotionFeedback (Glib::RefPtr<Gdk::Pixbuf>,
Type type,
boost::shared_ptr<PBD::Controllable>,
double default_value,
double step_increment,
double page_increment,
const char *widget_name = NULL,
bool with_numeric_display = true,
int sub_image_width = 40,
int sub_image_height = 40);
virtual ~MotionFeedback ();
Gtk::Widget& eventwin () { return pixwin; }
boost::shared_ptr<PBD::Controllable> controllable() const;
virtual void set_controllable (boost::shared_ptr<PBD::Controllable> c);
static void set_lamp_color (const std::string&);
static Glib::RefPtr<Gdk::Pixbuf> render_pixbuf (int size);
void set_print_func(void (*pf)(char buf[32], const boost::shared_ptr<PBD::Controllable>&, void *),
void *arg) {
print_func = pf;
print_arg = arg;
};
protected:
boost::shared_ptr<PBD::Controllable> _controllable;
Gtk::Label* value;
double default_value;
double step_inc;
double page_inc;
void pixwin_size_request (GtkRequisition *);
bool pixwin_button_press_event (GdkEventButton *);
bool pixwin_button_release_event (GdkEventButton *);
bool pixwin_motion_notify_event (GdkEventMotion *);
bool pixwin_key_press_event (GdkEventKey *);
bool pixwin_enter_notify_event (GdkEventCrossing *);
bool pixwin_leave_notify_event (GdkEventCrossing *);
bool pixwin_focus_in_event (GdkEventFocus*);
bool pixwin_focus_out_event (GdkEventFocus *);
bool pixwin_expose_event (GdkEventExpose*);
bool pixwin_scroll_event (GdkEventScroll*);
/* map a display value (0.0 .. 1.0) to a control
value (controllable->lower() .. controllable()->upper)
*/
virtual double to_control_value (double) = 0;
/* map a control value (controllable->lower() .. controllable()->upper)
to a display value (0.0 .. 1.0)
*/
virtual double to_display_value (double) = 0;
virtual double adjust (double nominal_delta) = 0;
private:
Type type;
Gtk::EventBox pixwin;
Gtk::EventBox* value_packer;
Glib::RefPtr<Gdk::Pixbuf> pixbuf;
BindingProxy binding_proxy;
static Gdk::Color* base_color;
void (*print_func) (char buf[32], const boost::shared_ptr<PBD::Controllable>&, void *);
void *print_arg;
static void default_printer (char buf[32], const boost::shared_ptr<PBD::Controllable>&, void *);
bool grab_is_fine;
double grabbed_y;
double grabbed_x;
int subwidth;
int subheight;
void controllable_value_changed ();
PBD::ScopedConnection controller_connection;
static void core_draw (cairo_t*, int, double, double, double, double, const GdkColor* bright, const GdkColor* dark);
};
} /* namespace */
#endif // __gtkmm2ext_motion_feedback_h__
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