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);
}
}
