void NoteEntryAction::renderKeyboardPreview(QPainter& painter, const MusicCursor& cursor)
{
Staff* staff = cursor.staff();
Part* part = staff->part();
Sheet* sheet = part->sheet();
Bar* bar = sheet->bar(cursor.bar());
QPointF p = bar->position() + QPointF(0, staff->top());
Voice* voice = cursor.staff()->part()->voice(cursor.voice());
VoiceBar* vb = voice->bar(bar);
if (cursor.element() >= vb->elementCount()) {
// cursor is past last element in bar, position of cursor is
// halfway between last element and end of bar
if (vb->elementCount() == 0) {
// unless entire voicebar is still empty
p.rx() += 15.0;
} else {
VoiceElement* ve = vb->element(vb->elementCount()-1);
p.rx() += (ve->x() + bar->size()) / 2;
}
} else {
// cursor is on an element, get the position of that element
p.rx() += vb->element(cursor.element())->x();
}
p.ry() += (cursor.staff()->lineCount() - 1)* cursor.staff()->lineSpacing();
p.ry() -= cursor.staff()->lineSpacing() * cursor.line() / 2;
m_tool->shape()->renderer()->renderNote(painter, m_duration < QuarterNote ? QuarterNote : m_duration, p, 0, Qt::magenta);
}
void NoteEntryAction::mousePress(Staff* staff, int bar, const QPointF& pos)
{
Clef* clef = staff->lastClefChange(bar);
Voice* voice = staff->part()->voice(m_tool->voice());
VoiceBar* vb = voice->bar(bar);
// find element before which to insert the chord
int before = 0;
for (int i = 0; i < vb->elementCount(); i++) {
VoiceElement* e = vb->element(i);
if (e->x() >= pos.x()) break;
before++;
}
int line = staff->line(pos.y());
int pitch = 0, accidentals = 0;
if (clef && !m_isRest) {
pitch = clef->lineToPitch(line);
// get correct accidentals for note
KeySignature* ks = staff->lastKeySignatureChange(bar);
if (ks) accidentals = ks->accidentals(pitch);
for (int i = 0; i < before; i++) {
Chord* c = dynamic_cast<Chord*>(vb->element(i));
if (!c) continue;
for (int n = 0; n < c->noteCount(); n++) {
if (c->note(n)->pitch() == pitch) {
accidentals = c->note(n)->accidentals();
}
}
}
}
Chord* join = NULL;
if (before > 0) join = dynamic_cast<Chord*>(vb->element(before-1));
if (join && join->x() + join->width() >= pos.x()) {
if (clef && !m_isRest) {
m_tool->addCommand(new AddNoteCommand(m_tool->shape(), join, staff, m_duration, pitch, accidentals));
} else {
m_tool->addCommand(new MakeRestCommand(m_tool->shape(), join));
}
} else {
if (clef && !m_isRest) {
m_tool->addCommand(new CreateChordCommand(m_tool->shape(), vb, staff, m_duration, before, pitch, accidentals));
} else {
m_tool->addCommand(new CreateChordCommand(m_tool->shape(), vb, staff, m_duration, before));
}
}
}
void NoteEntryAction::keyPress(QKeyEvent* event, const MusicCursor& cursor)
{
if (event->key() == Qt::Key_Enter || event->key() == Qt::Key_Return) {
Staff* staff = cursor.staff();
//Part* part = staff->part();
//Sheet* sheet = part->sheet();
//Bar* bar = sheet->bar(cursor.bar());
Clef* clef = staff->lastClefChange(cursor.bar());
int line = cursor.line();
int pitch = 0, accidentals = 0;
VoiceBar* vb = cursor.voiceBar();
if (clef) {
pitch = clef->lineToPitch(line);
// get correct accidentals for note
KeySignature* ks = staff->lastKeySignatureChange(cursor.bar());
if (ks) accidentals = ks->accidentals(pitch);
for (int i = 0; i < cursor.element(); i++) {
Chord* c = dynamic_cast<Chord*>(vb->element(i));
if (!c) continue;
for (int n = 0; n < c->noteCount(); n++) {
if (c->note(n)->pitch() == pitch) {
accidentals = c->note(n)->accidentals();
}
}
}
}
Chord* join = 0;
if (cursor.element() < vb->elementCount()) join = dynamic_cast<Chord*>(vb->element(cursor.element()));
if (event->modifiers() & Qt::ShiftModifier || !join) {
m_tool->addCommand(new CreateChordCommand(m_tool->shape(), vb, staff, m_duration, cursor.element(), pitch, accidentals));
} else {
m_tool->addCommand(new AddNoteCommand(m_tool->shape(), join, staff, join->duration(), pitch, accidentals));
}
event->accept();
}
}
void AbstractNoteMusicAction::mousePress(Staff* staff, int barIdx, const QPointF& pos)
{
Part* part = staff->part();
Sheet* sheet = part->sheet();
Bar* bar = sheet->bar(barIdx);
Clef* clef = staff->lastClefChange(barIdx, 0);
// loop over all noteheads
qreal closestDist = 1e9;
Note* closestNote = 0;
Chord* chord = 0;
// outer loop, loop over all voices
for (int v = 0; v < part->voiceCount(); v++) {
Voice* voice = part->voice(v);
VoiceBar* vb = voice->bar(bar);
// next loop over all chords
for (int e = 0; e < vb->elementCount(); e++) {
Chord* c = dynamic_cast<Chord*>(vb->element(e));
if (!c) continue;
qreal centerX = c->x() + (c->width() / 2);
// check if it is a rest
if (c->noteCount() == 0) {
qreal centerY = c->y() + (c->height() / 2);
qreal dist = sqrt(sqr(centerX - pos.x()) + sqr(centerY - pos.y()));
if (dist < closestDist) {
closestDist = dist;
closestNote = NULL;
chord = c;
}
}
// lastly loop over all noteheads
for (int n = 0; n < c->noteCount(); n++) {
Note* note = c->note(n);
if (note->staff() != staff) continue;
int line = clef->pitchToLine(note->pitch());
qreal centerY = line * staff->lineSpacing() / 2;
qreal dist = sqrt(sqr(centerX - pos.x()) + sqr(centerY - pos.y()));
if (dist < closestDist) {
closestDist = dist;
closestNote = note;
chord = c;
}
}
}
}
StaffElement* se = 0;
for (int e = 0; e < bar->staffElementCount(staff); e++) {
StaffElement* elem = bar->staffElement(staff, e);
qreal centerX = elem->x() + (elem->width() / 2);
qreal centerY = elem->y() + (elem->height() / 2);
qreal dist = sqrt(sqr(centerX - pos.x()) + sqr(centerY - pos.y()));
if (dist < closestDist) {
se = elem;
closestDist = dist;
}
}
if (se) {
mousePress(se, closestDist, pos);
} else {
mousePress(chord, closestNote, closestDist, pos);
}
}
static void writePart(KoXmlWriter& w, int id, Part* part)
{
w.startElement("music:part");
w.addAttribute("id", QString("P%1").arg(id));
for (int i = 0; i < part->sheet()->barCount(); i++) {
Bar* bar = part->sheet()->bar(i);
w.startElement("music:measure");
w.addAttribute("number", i+1);
bool inAttributes = false;
if (i == 0) {
w.startElement("music:attributes");
w.startElement("music:divisions");
w.addTextNode(QString::number(QuarterLength));
w.endElement(); // music:divisions
inAttributes = true;
}
for (int st = 0; st < part->staffCount(); st++) {
Staff* staff = part->staff(st);
for (int e = 0; e < bar->staffElementCount(staff); e++) {
StaffElement* se = bar->staffElement(staff, e);
KeySignature* ks = dynamic_cast<KeySignature*>(se);
if (ks) {
if (!inAttributes) {
w.startElement("music:attributes");
inAttributes = true;
}
writeKeySignature(w, ks, part);
}
}
}
for (int st = 0; st < part->staffCount(); st++) {
Staff* staff = part->staff(st);
for (int e = 0; e < bar->staffElementCount(staff); e++) {
StaffElement* se = bar->staffElement(staff, e);
TimeSignature* ts = dynamic_cast<TimeSignature*>(se);
if (ts) {
if (!inAttributes) {
w.startElement("music:attributes");
inAttributes = true;
}
writeTimeSignature(w, ts, part);
}
}
}
if (i == 0 && part->staffCount() != 1) {
w.startElement("music:staves");
w.addTextNode(QString::number(part->staffCount()));
w.endElement(); // music:staves
}
for (int st = 0; st < part->staffCount(); st++) {
Staff* staff = part->staff(st);
for (int e = 0; e < bar->staffElementCount(staff); e++) {
StaffElement* se = bar->staffElement(staff, e);
Clef* c = dynamic_cast<Clef*>(se);
if (c) {
if (!inAttributes) {
w.startElement("music:attributes");
inAttributes = true;
}
writeClef(w, c, part);
}
}
}
if (inAttributes) {
w.endElement(); // music:attributes
}
int curTime = 0;
for (int voice = 0; voice < part->voiceCount(); voice++) {
if (curTime != 0) {
w.startElement("music:backup");
w.startElement("music:duration");
w.addTextNode(QString::number(curTime));
w.endElement(); // music:duration
w.endElement(); // music:backup
}
Voice* v = part->voice(voice);
VoiceBar* vb = part->sheet()->bar(i)->voice(v);
for (int e = 0; e < vb->elementCount(); e++) {
VoiceElement* ve = vb->element(e);
curTime += ve->length();
Chord* c = dynamic_cast<Chord*>(ve);
if(c) writeChord(w, c, v, part, i);
}
}
w.endElement(); // music:measure
}
w.endElement(); // music:part
}
static void writeChord(KoXmlWriter& w, Chord* chord, Voice* voice, Part* part, int bar)
{
if (!chord->noteCount()) {
w.startElement("music:note");
w.startElement("music:rest");
w.endElement(); // music:rest
w.startElement("music:duration");
w.addTextNode(QString::number(chord->length()));
w.endElement(); // music:duration
w.startElement("music:voice");
w.addTextNode(QString::number(part->indexOfVoice(voice) + 1));
w.endElement(); // music:voice
w.startElement("music:type");
w.addTextNode(durationToString(chord->duration()));
w.endElement(); // music:type
for (int i = 0; i < chord->dots(); i++) {
w.startElement("music:dot");
w.endElement(); // music:dot
}
if (part->staffCount() > 1) {
// only write staff info when more than one staff exists
Staff* s = chord->staff();
w.startElement("music:staff");
w.addTextNode(QString::number(part->indexOfStaff(s) + 1));
w.endElement(); //music:staff
}
w.endElement(); // music:note
} else for (int n = 0; n < chord->noteCount(); n++) {
Staff* staff = chord->note(n)->staff();
w.startElement("music:note");
if (n > 0) {
w.startElement("music:chord");
w.endElement(); // music:chord
}
w.startElement("music:pitch");
w.startElement("music:step");
int pitch = chord->note(n)->pitch();
char note = 'A' + ((((pitch + 2) % 7) + 7) % 7);
w.addTextNode(QString(note));
w.endElement(); // music:step
if (chord->note(n)->accidentals()) {
w.startElement("music:alter");
w.addTextNode(QString::number(chord->note(n)->accidentals()));
w.endElement(); // music:alter
}
w.startElement("music:octave");
w.addTextNode(QString::number((pitch + 4*7) / 7)); // first add, than divide to get proper rounding
w.endElement(); // music:octave
w.endElement(); // music:pitch
w.startElement("music:duration");
w.addTextNode(QString::number(chord->length()));
w.endElement(); // music:duration
w.startElement("music:voice");
w.addTextNode(QString::number(part->indexOfVoice(voice) + 1));
w.endElement(); // music:voice
w.startElement("music:type");
w.addTextNode(durationToString(chord->duration()));
w.endElement(); // music:type
for (int i = 0; i < chord->dots(); i++) {
w.startElement("music:dot");
w.endElement(); // music:dot
}
int activeAccidentals = 0;
KeySignature* ks = staff->lastKeySignatureChange(bar);
if (ks) activeAccidentals = ks->accidentals(chord->note(n)->pitch());
VoiceBar* vb = chord->voiceBar();
// next check the bar for the last previous note in the same voice with the same pitch
for (int e = 0; e < vb->elementCount(); e++) {
Chord* c = dynamic_cast<Chord*>(vb->element(e));
if (!c) continue;
if (c == chord) break;
for (int nid = 0; nid < c->noteCount(); nid++) {
Note* note = c->note(nid);
if (note->staff() != staff) continue;
if (note->pitch() == chord->note(n)->pitch()) {
activeAccidentals = note->accidentals();
}
}
}
if (chord->note(n)->accidentals() != activeAccidentals) {
w.startElement("music:accidental");
switch (chord->note(n)->accidentals()) {
case -2: w.addTextNode("flat-flat"); break;
case -1: w.addTextNode("flat"); break;
case 0: w.addTextNode("natural"); break;
case 1: w.addTextNode("sharp"); break;
case 2: w.addTextNode("double-sharp"); break;
}
w.endElement(); // music:accidental
}
if (part->staffCount() > 1) {
// only write staff info when more than one staff exists
Staff* s = chord->note(n)->staff();
w.startElement("music:staff");
w.addTextNode(QString::number(part->indexOfStaff(s) + 1));
w.endElement(); //music:staff
}
w.endElement(); // music:note
}
}