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.
20 #ifndef __gtkmm2ext_pixfader_h__
21 #define __gtkmm2ext_pixfader_h__
26 #include <gtkmm/drawingarea.h>
27 #include <gtkmm/adjustment.h>
32 class PixFader : public Gtk::DrawingArea
35 PixFader (Glib::RefPtr<Gdk::Pixbuf> belt_image, Gtk::Adjustment& adjustment, int orientation, int);
38 void set_fader_length (int);
39 void set_border_colors (uint32_t rgba_left, uint32_t rgba_right);
42 Gtk::Adjustment& adjustment;
44 void on_size_request (GtkRequisition*);
46 bool on_expose_event (GdkEventExpose*);
47 bool on_button_press_event (GdkEventButton*);
48 bool on_button_release_event (GdkEventButton*);
49 bool on_motion_notify_event (GdkEventMotion*);
50 bool on_scroll_event (GdkEventScroll* ev);
51 bool on_enter_notify_event (GdkEventCrossing* ev);
52 bool on_leave_notify_event (GdkEventCrossing* ev);
60 Cairo::RefPtr<Cairo::Context> belt_context;
61 Cairo::RefPtr<Cairo::ImageSurface> belt_surface;
62 Glib::RefPtr<Gdk::Pixbuf> pixbuf;
74 GdkWindow* grab_window;
82 void adjustment_changed ();
84 void set_adjustment_from_event (GdkEventButton *);
86 static int fine_scale_modifier;
87 static int extra_fine_scale_modifier;
93 #endif /* __gtkmm2ext_pixfader_h__ */