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/*
Copyright (C) 2006 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.
$Id: fastmeter.h 570 2006-06-07 21:21:21Z sampo $
*/
#ifndef __gtkmm2ext_pixfader_h__
#define __gtkmm2ext_pixfader_h__
#include <cmath>
#include <gtkmm/drawingarea.h>
#include <gtkmm/adjustment.h>
#include <gdkmm/pixbuf.h>
namespace Gtkmm2ext {
class PixFader : public Gtk::DrawingArea {
public:
PixFader (Glib::RefPtr<Gdk::Pixbuf> belt_image, Gtk::Adjustment& adjustment);
virtual ~PixFader ();
protected:
Gtk::Adjustment& adjustment;
void on_size_request (GtkRequisition*);
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* ev);
private:
Glib::RefPtr<Gdk::Pixbuf> pixbuf;
gint pixheight;
GdkRectangle view;
GdkWindow* grab_window;
double grab_y;
double grab_start;
int last_drawn;
bool dragging;
float default_value;
int unity_y;
void adjustment_changed ();
int display_height ();
};
} /* namespace */
#endif /* __gtkmm2ext_pixfader_h__ */
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