2 Copyright (C) 2007 Paul Davis
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #ifndef __gtk_ardour_canvas_midi_event_h__
21 #define __gtk_ardour_canvas_midi_event_h__
23 #include "simplerect.h"
24 #include <ardour/midi_model.h>
33 /** This manages all the event handling for any MIDI event on the canvas.
35 * This is not actually a canvas item itself to avoid the dreaded diamond,
36 * since various types of canvas items (Note (rect), Hit (diamond), etc)
37 * need to share this functionality but can't share an ancestor.
39 * Note: Because of this, derived classes need to manually bounce events to
40 * on_event, it won't happen automatically.
42 * A newer, better canvas should remove the need for all the ugly here.
44 class CanvasMidiEvent {
46 CanvasMidiEvent(MidiRegionView& region, Item* item, const ARDOUR::Note* note=NULL, bool copy_note=false);
47 virtual ~CanvasMidiEvent();
49 bool on_event(GdkEvent* ev);
51 bool selected() const { return _selected; }
52 void selected(bool yn);
54 virtual void set_outline_color(uint32_t c) = 0;
55 virtual void set_fill_color(uint32_t c) = 0;
57 virtual double x1() = 0;
58 virtual double y1() = 0;
59 virtual double x2() = 0;
60 virtual double y2() = 0;
62 const Item* item() const { return _item; }
63 Item* item() { return _item; }
65 const ARDOUR::Note* note() { return _note; }
68 enum State { None, Pressed, Dragging };
70 MidiRegionView& _region;
73 const ARDOUR::Note* _note;
81 #endif /* __gtk_ardour_canvas_midi_event_h__ */