C++ MidiDevice::getAllInstruments方法代码示例

void
ModifyDeviceCommand::unexecute()
{
    Device *device = m_studio->getDevice(m_device);
    if (!device) {
        std::cerr << "ERROR: ModifyDeviceCommand::unexecute(): no such device as " << m_device << std::endl;
        return;
    }

    MidiDevice *midiDevice = dynamic_cast<MidiDevice *>(device);
    if (!midiDevice) {
        std::cerr << "ERROR: ModifyDeviceCommand::unexecute(): device " << m_device << " is not a MIDI device" << std::endl;
        return;
    }

    if (m_rename)
        midiDevice->setName(m_oldName);
    midiDevice->replaceBankList(m_oldBankList);
    midiDevice->replaceProgramList(m_oldProgramList);
    midiDevice->replaceControlParameters(m_oldControlList);
    midiDevice->replaceKeyMappingList(m_oldKeyMappingList);
    midiDevice->setLibrarian(m_oldLibrarianName, m_oldLibrarianEmail);
    if (m_changeVariation)
        midiDevice->setVariationType(m_oldVariationType);

    InstrumentList instruments = midiDevice->getAllInstruments();
    for (size_t i = 0; i < instruments.size(); ++i) {
        instruments[i]->setProgram(m_oldInstrumentPrograms[i]);
    }

    // ??? Instead of this kludge, we should be calling a Studio::hasChanged()
    //     which would then notify all observers (e.g. MIPP) who, in turn,
    //     would update themselves.
    RosegardenMainWindow::self()->uiUpdateKludge();
}

MidiDevice::MidiDevice(const MidiDevice &dev) :
    Device(dev.getId(), dev.getName(), dev.getType()),
    Controllable(),
    m_programList(dev.m_programList),
    m_bankList(dev.m_bankList),
    m_controlList(dev.m_controlList),
    m_keyMappingList(dev.m_keyMappingList),
    m_metronome(0),
    m_direction(dev.getDirection()),
    m_variationType(dev.getVariationType()),
    m_librarian(dev.getLibrarian()),
    m_allocator(new AllocateChannels(ChannelSetup::MIDI))
{
    // Create and assign a metronome if required
    //
    if (dev.getMetronome())
    {
        m_metronome = new MidiMetronome(*dev.getMetronome());
    }

    // Copy the instruments
    //
    InstrumentList insList = dev.getAllInstruments();
    InstrumentList::iterator iIt = insList.begin();
    for (; iIt != insList.end(); ++iIt)
    {
        Instrument *newInst = new Instrument(**iIt);
        newInst->setDevice(this);
        m_instruments.push_back(newInst);
    }

    // generate presentation instruments
    generatePresentationList();
}

void
MidiMixerWindow::sendControllerRefresh()
{
    //!!! need to know if we have a current external controller device,
    // as this is expensive

    int tabIndex = m_tabWidget->currentIndex();
    RG_DEBUG << "MidiMixerWindow::slotCurrentTabChanged: current is " << tabIndex << endl;

    if (tabIndex < 0)
        return ;

    int i = 0;

    for (DeviceList::const_iterator dit = m_studio->begin();
            dit != m_studio->end(); ++dit) {

        MidiDevice *dev = dynamic_cast<MidiDevice*>(*dit);
        RG_DEBUG << "device is " << (*dit)->getId() << ", dev " << dev << endl;

        if (!dev)
            continue;
        if (i != tabIndex) {
            ++i;
            continue;
        }

        InstrumentList instruments = dev->getPresentationInstruments();
        ControlList controls = getIPBForMidiMixer(dev);

        RG_DEBUG << "device has " << instruments.size() << " presentation instruments, " << dev->getAllInstruments().size() << " instruments " << endl;

        for (InstrumentList::const_iterator iIt =
                    instruments.begin(); iIt != instruments.end(); ++iIt) {

            Instrument *instrument = *iIt;
            if (!instrument->hasFixedChannel()) { continue; }
            int channel = instrument->getNaturalChannel();

            RG_DEBUG << "instrument is " << instrument->getId() << endl;

            for (ControlList::const_iterator cIt =
                        controls.begin(); cIt != controls.end(); ++cIt) {

                int controller = (*cIt).getControllerValue();
                int value;
                try {
                    value = instrument->getControllerValue(controller);
                } catch (std::string s) {
                    std::cerr << "Exception in MidiMixerWindow::currentChanged: " << s << " (controller " << controller << ", instrument " << instrument->getId() << ")" << std::endl;
                    value = 0;
                }

                MappedEvent mE(instrument->getId(),
                               MappedEvent::MidiController,
                               controller, value);
                mE.setRecordedChannel(channel);
                mE.setRecordedDevice(Device::CONTROL_DEVICE);
                StudioControl::sendMappedEvent(mE);
            }

            MappedEvent mE(instrument->getId(),
                           MappedEvent::MidiController,
                           MIDI_CONTROLLER_VOLUME,
                           instrument->getVolume());
            mE.setRecordedChannel(channel);
            mE.setRecordedDevice(Device::CONTROL_DEVICE);
            RG_DEBUG << "sending controller mapped event for channel " << channel << ", volume " << instrument->getVolume() << endl;
            StudioControl::sendMappedEvent(mE);
        }

        break;
    }
}