BankList
MidiDevice::getBanks(bool percussion) const
{
BankList banks;
for (BankList::const_iterator it = m_bankList.begin();
it != m_bankList.end(); ++it) {
if (it->isPercussion() == percussion) banks.push_back(*it);
}
return banks;
}
BankList
MidiDevice::getBanksByLSB(bool percussion, MidiByte lsb) const
{
BankList banks;
for (BankList::const_iterator it = m_bankList.begin();
it != m_bankList.end(); ++it) {
if (it->isPercussion() == percussion && it->getLSB() == lsb)
banks.push_back(*it);
}
return banks;
}
void
MIDIInstrumentParameterPanel::updateBankComboBox()
{
RG_DEBUG << "updateBankComboBox()";
if (!getSelectedInstrument())
return;
MidiDevice *md =
dynamic_cast<MidiDevice *>(getSelectedInstrument()->getDevice());
if (!md) {
std::cerr << "WARNING: MIDIInstrumentParameterPanel::updateBankComboBox(): No MidiDevice for Instrument " << getSelectedInstrument()->getId() << '\n';
return;
}
int currentBank = -1;
BankList banks;
RG_DEBUG << "updateBankComboBox(): Variation type is " << md->getVariationType();
if (md->getVariationType() == MidiDevice::NoVariations) {
banks = md->getBanks(getSelectedInstrument()->isPercussion());
// If there are banks to display, show the bank widgets.
// Why not showBank(banks.size()>1)? Because that would hide the
// bank checkbox which would take away the user's ability to
// enable/disable bank selects. If we do away with the checkbox
// in the future, we should re-evaluate this decision.
showBank(!banks.empty());
// Find the selected bank in the MIDI Device's bank list.
for (unsigned int i = 0; i < banks.size(); ++i) {
if (getSelectedInstrument()->getProgram().getBank().partialCompare(banks[i])) {
currentBank = i;
break;
}
}
} else {
// Usually in variation mode, the bank widgets will be hidden.
// E.g. in GM2, the MSB for all banks is 121 with the variations
// in the LSB numbered 0-9. If, however, there were another
// MSB, say 122, with some variations in the LSB, this code would
// display the Bank combobox to allow selection of the MSB.
// If the variations are in the LSB, then the banks are in the MSB
// and vice versa.
bool useMSB = (md->getVariationType() == MidiDevice::VariationFromLSB);
MidiByteList bytes;
if (useMSB) {
bytes = md->getDistinctMSBs(getSelectedInstrument()->isPercussion());
} else {
bytes = md->getDistinctLSBs(getSelectedInstrument()->isPercussion());
}
// If more than one bank value is found, show the bank widgets.
showBank(bytes.size() > 1);
// Load "banks" with the banks and figure out currentBank.
if (useMSB) {
for (unsigned int i = 0; i < bytes.size(); ++i) {
BankList bl = md->getBanksByMSB
(getSelectedInstrument()->isPercussion(), bytes[i]);
RG_DEBUG << "updateBankComboBox(): Have " << bl.size() << " variations for MSB " << bytes[i];
if (bl.size() == 0)
continue;
if (getSelectedInstrument()->getMSB() == bytes[i]) {
currentBank = banks.size();
}
banks.push_back(bl[0]);
}
} else {
for (unsigned int i = 0; i < bytes.size(); ++i) {
BankList bl = md->getBanksByLSB
(getSelectedInstrument()->isPercussion(), bytes[i]);
RG_DEBUG << "updateBankComboBox(): Have " << bl.size() << " variations for LSB " << bytes[i];
if (bl.size() == 0)
continue;
if (getSelectedInstrument()->getLSB() == bytes[i]) {
currentBank = banks.size();
}
banks.push_back(bl[0]);
}
}
}
// Populate the combobox with bank names.
// If we need to repopulate m_bankComboBox
if (banks != m_banks)
{
// Update the cache.
m_banks = banks;
// Copy from m_banks to m_bankComboBox.
m_bankComboBox->clear();
for (BankList::const_iterator i = m_banks.begin();
i != m_banks.end(); ++i) {
m_bankComboBox->addItem(QObject::tr(i->getName().c_str()));
}
}
m_bankComboBox->setEnabled(getSelectedInstrument()->sendsBankSelect());
#if 0
// ??? This is a pretty nifty idea, but unfortunately, it requires
// that we maintain a bogus combobox entry. For now, we'll go
// with the simpler "unselected" approach.
// If the current bank was not found...
if (currentBank < 0 && !banks.empty()) {
// Format bank MSB:LSB and add to combobox.
MidiBank bank = getSelectedInstrument()->getProgram().getBank();
QString bankString = QString("%1:%2").arg(bank.getMSB()).arg(bank.getLSB());
m_bankComboBox.addItem(bankString);
currentBank = banks.size();
}
#endif
// If the bank wasn't in the Device, show the bank widgets so
// the user can fix it if they want.
if (currentBank == -1 && !banks.empty())
showBank(true);
// Display the current bank.
m_bankComboBox->setCurrentIndex(currentBank);
}