1 /* This file is part of the KDE project
2 * Copyright 2009 Marijn Kruisselbrink <mkruisselbrink@kde.org>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
8 *
9 * This library 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 GNU
12 * Library General Public License for more details.
13 *
14 * You should have received a copy of the GNU Library General Public License
15 * along with this library; see the file COPYING.LIB. If not, write to
16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19 #include "MusicCursor.h"
20
21 #include "core/Part.h"
22 #include "core/Sheet.h"
23 #include "core/Staff.h"
24 #include "core/Voice.h"
25 #include "core/VoiceBar.h"
26
27 using namespace MusicCore;
28
MusicCursor(Sheet * sheet,QObject * parent)29 MusicCursor::MusicCursor(Sheet* sheet, QObject* parent)
30 : QObject(parent)
31 , m_sheet(sheet)
32 , m_staff(sheet->part(0)->staff(0))
33 , m_voice(0)
34 , m_bar(0)
35 , m_element(0)
36 , m_line(0)
37 {
38 }
39
moveRight()40 void MusicCursor::moveRight()
41 {
42 m_element++;
43 if (m_element > m_staff->part()->voice(m_voice)->bar(m_sheet->bar(m_bar))->elementCount()) {
44 if (m_bar < m_sheet->barCount()-1) {
45 m_bar++;
46 m_element = 0;
47 }
48 }
49 }
50
moveLeft()51 void MusicCursor::moveLeft()
52 {
53 m_element--;
54 if (m_element < 0) {
55 if (m_bar == 0) {
56 m_element = 0;
57 } else {
58 m_bar--;
59 m_element = m_staff->part()->voice(m_voice)->bar(m_sheet->bar(m_bar))->elementCount();
60 }
61 }
62 }
63
moveUp()64 void MusicCursor::moveUp()
65 {
66 m_line++;
67 }
68
moveDown()69 void MusicCursor::moveDown()
70 {
71 m_line--;
72 }
73
setVoice(int voice)74 void MusicCursor::setVoice(int voice)
75 {
76 m_voice = voice;
77 }
78
voiceBar() const79 VoiceBar* MusicCursor::voiceBar() const
80 {
81 return m_staff->part()->voice(m_voice)->bar(m_sheet->bar(m_bar));
82 }
83