2 Copyright (C) 2006 Paul Davis
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 $Id: fastmeter.h 570 2006-06-07 21:21:21Z sampo $
21 #ifndef __gtkmm2ext_pixfader_h__
22 #define __gtkmm2ext_pixfader_h__
26 #include <gtkmm/drawingarea.h>
27 #include <gtkmm/adjustment.h>
28 #include <gdkmm/pixbuf.h>
32 class PixFader : public Gtk::DrawingArea {
34 PixFader (Glib::RefPtr<Gdk::Pixbuf> base,
35 Glib::RefPtr<Gdk::Pixbuf> handle,
36 Gtk::Adjustment& adjustment);
40 Gtk::Adjustment& adjustment;
42 void on_size_request (GtkRequisition*);
44 bool on_expose_event (GdkEventExpose*);
45 bool on_button_press_event (GdkEventButton*);
46 bool on_button_release_event (GdkEventButton*);
47 bool on_motion_notify_event (GdkEventMotion*);
48 bool on_scroll_event (GdkEventScroll* ev);
51 Glib::RefPtr<Gdk::Pixbuf> base_pixbuf;
52 Glib::RefPtr<Gdk::Pixbuf> handle_pixbuf;
57 GdkWindow* grab_window;
65 void adjustment_changed ();
67 int display_height () {
68 return (int) floor (pixheight * (1.0 - (adjustment.get_upper() - adjustment.get_value ()) / ((adjustment.get_upper() - adjustment.get_lower()))));
75 #endif /* __gtkmm2ext_pixfader_h__ */