2 Copyright (C) 2008 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.
19 #ifndef __ardour_piano_roll_header_h__
20 #define __ardour_piano_roll_header_h__
22 #include "ardour/types.h"
24 #include <gtkmm/drawingarea.h>
30 class MidiTimeAxisView;
33 class PianoRollHeader : public Gtk::DrawingArea {
35 PianoRollHeader(MidiStreamView&);
37 bool on_expose_event (GdkEventExpose*);
38 bool on_motion_notify_event (GdkEventMotion*);
39 bool on_button_press_event (GdkEventButton*);
40 bool on_button_release_event (GdkEventButton*);
41 bool on_scroll_event (GdkEventScroll*);
42 bool on_enter_notify_event (GdkEventCrossing*);
43 bool on_leave_notify_event (GdkEventCrossing*);
45 void on_size_request(Gtk::Requisition*);
46 void on_size_allocate(Gtk::Allocation& a);
48 void note_range_changed();
52 Color(double _r, double _g, double _b);
53 inline void set(const Color& c);
62 static Color white_highlight;
63 static Color white_shade_light;
64 static Color white_shade_dark;
66 static Color black_highlight;
67 static Color black_shade_light;
68 static Color black_shade_dark;
70 PianoRollHeader(const PianoRollHeader&);
74 BLACK_MIDDLE_SEPARATOR,
83 void invalidate_note_range(int lowest, int highest);
85 void get_path(ItemType, int note, double x[], double y[]);
87 void send_note_on(uint8_t note);
88 void send_note_off(uint8_t note);
90 MidiStreamView& _view;
94 Cairo::RefPtr<Cairo::Context> cc;
95 bool _active_notes[128];
96 uint8_t _highlighted_note;
97 uint8_t _clicked_note;
102 double _black_note_width;
105 #endif /* __ardour_piano_roll_header_h__ */