managemetronomedialog.cpp

LINUX下的混音软件

                    tit != m_doc->getComposition().getTracks().end(); ++tit) {

                if (tit->second->getInstrument() == (*iit)->getId()) {
                    used = true;
                    break;
                }
            }

            //	    if (used) iname = i18n("%1 [used]").arg(iname);

            m_metronomeInstrument->insertItem(iname);

            if ((*iit)->getId() == metronome->getInstrument()) {
                position = count;
            }
            count++;
        }
        m_metronomeInstrument->setCurrentItem(position);
        slotInstrumentChanged(position);

        m_barPitch = metronome->getBarPitch();
        m_beatPitch = metronome->getBeatPitch();
        m_subBeatPitch = metronome->getSubBeatPitch();
        slotPitchSelectorChanged(0);
        m_metronomeResolution->setCurrentItem(metronome->getDepth());
        m_metronomeBarVely->setValue(metronome->getBarVelocity());
        m_metronomeBeatVely->setValue(metronome->getBeatVelocity());
        m_metronomeSubBeatVely->setValue(metronome->getSubBeatVelocity());
        m_playEnabled->setChecked(m_doc->getComposition().usePlayMetronome());
        m_recordEnabled->setChecked(m_doc->getComposition().useRecordMetronome());
        slotResolutionChanged(metronome->getDepth());
    }
}

void
ManageMetronomeDialog::slotInstrumentChanged(int i)
{
    if (!m_instrumentParameterBox)
        return ;

    int deviceIndex = m_metronomeDevice->currentItem();

    DeviceList *devices = m_doc->getStudio().getDevices();
    DeviceListConstIterator it;
    int count = 0;
    MidiDevice *dev = 0;

    for (it = devices->begin(); it != devices->end(); it++) {
        dev = dynamic_cast<MidiDevice*>(*it);

        if (dev && dev->getDirection() == MidiDevice::Play) {
            if (count == deviceIndex)
                break;

            count++;
        }
    }

    // sanity
    if (count < 0 || dev == 0) {
        m_instrumentParameterBox->useInstrument(0);
        return ;
    }

    // populate instrument list
    InstrumentList list = dev->getPresentationInstruments();

    if (i < 0 || i >= (int)list.size())
        return ;

    m_instrumentParameterBox->useInstrument(list[i]);
}

void
ManageMetronomeDialog::slotOk()
{
    slotApply();
    accept();
}

void
ManageMetronomeDialog::slotSetModified()
{
    setModified(true);
}

void
ManageMetronomeDialog::setModified(bool value)
{
    if (m_modified == value)
        return ;

    if (value) {
        enableButtonApply(true);
    } else {
        enableButtonApply(false);
    }

    m_modified = value;
}

void
ManageMetronomeDialog::slotApply()
{
    Studio &studio = m_doc->getStudio();

    DeviceList *devices = m_doc->getStudio().getDevices();
    DeviceListConstIterator it;
    int count = 0;
    MidiDevice *dev = 0;

    for (it = devices->begin(); it != devices->end(); it++) {
        dev = dynamic_cast<MidiDevice*>(*it);

        if (dev && dev->getDirection() == MidiDevice::Play) {
            if (count == m_metronomeDevice->currentItem())
                break;

            count++;
        }
    }

    if (!dev) {
        std::cerr << "Warning: ManageMetronomeDialog::slotApply: no " << m_metronomeDevice->currentItem() << "th device" << std::endl;
        return ;
    }

    DeviceId deviceId = dev->getId();
    studio.setMetronomeDevice(deviceId);

    if (dev->getMetronome() == 0)
        return ;
    MidiMetronome metronome(*dev->getMetronome());

    // get instrument
    InstrumentList list = dev->getPresentationInstruments();

    Instrument *inst =
        list[m_metronomeInstrument->currentItem()];

    if (inst) {
        metronome.setInstrument(inst->getId());
    }

    metronome.setBarPitch(m_barPitch);
    metronome.setBeatPitch(m_beatPitch);
    metronome.setSubBeatPitch(m_subBeatPitch);

    metronome.setDepth(
        m_metronomeResolution->currentItem());

    metronome.setBarVelocity(
        MidiByte(m_metronomeBarVely->value()));

    metronome.setBeatVelocity(
        MidiByte(m_metronomeBeatVely->value()));

    metronome.setSubBeatVelocity(
        MidiByte(m_metronomeSubBeatVely->value()));

    dev->setMetronome(metronome);

    m_doc->getComposition().setPlayMetronome(m_playEnabled->isChecked());
    m_doc->getComposition().setRecordMetronome(m_recordEnabled->isChecked());

    m_doc->getSequenceManager()->metronomeChanged(inst->getId(), true);
    m_doc->slotDocumentModified();
    setModified(false);
}

void
ManageMetronomeDialog::slotPreviewPitch(int pitch)
{
    RG_DEBUG << "ManageMetronomeDialog::slotPreviewPitch" << endl;

    DeviceList *devices = m_doc->getStudio().getDevices();
    DeviceListConstIterator it;
    int count = 0;
    MidiDevice *dev = 0;

    for (it = devices->begin(); it != devices->end(); it++) {
        dev = dynamic_cast<MidiDevice*>(*it);

        if (dev && dev->getDirection() == MidiDevice::Play) {
            if (count == m_metronomeDevice->currentItem())
                break;

            count++;
        }
    }

    if (!dev)
        return ;

    const MidiMetronome *metronome = dev->getMetronome();
    if (metronome == 0)
        return ;

    InstrumentList list = dev->getPresentationInstruments();

    Instrument *inst =
        list[m_metronomeInstrument->currentItem()];

    if (inst) {
        RG_DEBUG << "ManageMetronomeDialog::slotPreviewPitch"
        << " - previewing" << endl;
        MappedEvent mE(inst->getId(),
                       MappedEvent::MidiNoteOneShot,
                       pitch,
                       MidiMaxValue,
                       RealTime::zeroTime,
                       RealTime(0, 10000000),
                       RealTime::zeroTime);

        StudioControl::sendMappedEvent(mE);
    }
}

void
ManageMetronomeDialog::slotPitchChanged(int pitch)
{
    switch (m_metronomePitchSelector->currentItem()) {
    case 0:
        m_barPitch = pitch;
        break;
    case 1:
        m_beatPitch = pitch;
        break;
    case 2:
        m_subBeatPitch = pitch;
        break;
    }
    setModified(true);
}

void
ManageMetronomeDialog::slotPitchSelectorChanged(int selection)
{
    switch (selection) {
    case 0:
        m_metronomePitch->slotSetPitch(m_barPitch);
        break;
    case 1:
        m_metronomePitch->slotSetPitch(m_beatPitch);
        break;
    case 2:
        m_metronomePitch->slotSetPitch(m_subBeatPitch);
        break;
    }
}

}
#include "ManageMetronomeDialog.moc"