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/*
Copyright (C) 2000-2007 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 __gtkmm2ext_pixscroller_h__
#define __gtkmm2ext_pixscroller_h__
#include <gtkmm/drawingarea.h>
#include <gtkmm/adjustment.h>
#include <gdkmm.h>
#include "gtkmm2ext/visibility.h"
namespace Gtkmm2ext {
class LIBGTKMM2EXT_API PixScroller : public Gtk::DrawingArea
{
public:
PixScroller(Gtk::Adjustment& adjustment,
Glib::RefPtr<Gdk::Pixbuf> slider,
Glib::RefPtr<Gdk::Pixbuf> rail);
bool on_expose_event (GdkEventExpose*);
bool on_motion_notify_event (GdkEventMotion*);
bool on_button_press_event (GdkEventButton*);
bool on_button_release_event (GdkEventButton*);
bool on_scroll_event (GdkEventScroll*);
void on_size_request (GtkRequisition*);
protected:
Gtk::Adjustment& adj;
private:
Cairo::RefPtr< Cairo::Context > rail_context;
Cairo::RefPtr< Cairo::ImageSurface > rail_surface;
Glib::RefPtr<Gdk::Pixbuf> rail;
Cairo::RefPtr< Cairo::Context > slider_context;
Cairo::RefPtr< Cairo::ImageSurface > slider_surface;
Glib::RefPtr<Gdk::Pixbuf> slider;
Gdk::Rectangle sliderrect;
Gdk::Rectangle railrect;
GdkWindow* grab_window;
double grab_y;
double grab_start;
int overall_height;
bool dragging;
float default_value;
void adjustment_changed ();
};
} // namespace
#endif /* __gtkmm2ext_pixscroller_h__ */
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