Element* KeySig::drop(const DropData& data)
{
KeySig* ks = static_cast<KeySig*>(data.element);
if (ks->type() != Element::Type::KEYSIG) {
delete ks;
return 0;
}
KeySigEvent k = ks->keySigEvent();
if (k.custom() && (score()->customKeySigIdx(ks) == -1))
score()->addCustomKeySig(ks);
else
delete ks;
if (data.modifiers & Qt::ControlModifier) {
// apply only to this stave
if (k != keySigEvent())
score()->undoChangeKeySig(staff(), tick(), k.key());
}
else {
// apply to all staves:
foreach(Staff* s, score()->rootScore()->staves())
score()->undoChangeKeySig(s, tick(), k.key());
}
return this;
}
void AccidentalState::init(const KeySigEvent& keySig, ClefType clef)
{
if (keySig.custom()) {
memset(state, 2, MAX_ACC_STATE);
for (const KeySym& s : keySig.keySymbols()) {
AccidentalVal a = sym2accidentalVal(s.sym);
int line = int(s.spos.y() * 2);
int idx = relStep(line, clef) % 7;
for (int octave = 0; octave < (11 * 7); octave += 7) {
int i = idx + octave ;
if (i >= MAX_ACC_STATE)
break;
state[i] = int(a) + 2;
}
}
}
else {
init(keySig.key());
}
}
