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>, Glib::RefPtr<Gdk::Pixbuf>, 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);
41 void set_default_value (float);
43 void set_text (const std::string&);
46 Glib::RefPtr<Pango::Layout> _layout;
54 Gtk::Adjustment& adjustment;
56 void on_size_request (GtkRequisition*);
57 void on_size_allocate (Gtk::Allocation& alloc);
59 bool on_expose_event (GdkEventExpose*);
60 bool on_button_press_event (GdkEventButton*);
61 bool on_button_release_event (GdkEventButton*);
62 bool on_motion_notify_event (GdkEventMotion*);
63 bool on_scroll_event (GdkEventScroll* ev);
64 bool on_enter_notify_event (GdkEventCrossing* ev);
65 bool on_leave_notify_event (GdkEventCrossing* ev);
81 Cairo::RefPtr<Cairo::Context> belt_context[STATES];
82 Cairo::RefPtr<Cairo::ImageSurface> belt_surface[STATES];
83 Glib::RefPtr<Gdk::Pixbuf> pixbuf[STATES];
97 void create_patterns();
98 cairo_pattern_t* pattern;
99 cairo_pattern_t* shine_pattern;
103 GdkWindow* grab_window;
111 void adjustment_changed ();
113 void set_adjustment_from_event (GdkEventButton *);
114 void update_unity_position ();
120 #endif /* __gtkmm2ext_pixfader_h__ */