// Code stolen From src/base/MidiDevice
ControlList
MidiMixerWindow::getIPBForMidiMixer(MidiDevice *dev) const
{
ControlList controlList = dev->getIPBControlParameters();
ControlList retList;
Rosegarden::MidiByte MIDI_CONTROLLER_VOLUME = 0x07;
for (ControlList::const_iterator it = controlList.begin();
it != controlList.end(); ++it)
{
if (it->getIPBPosition() != -1 &&
it->getControllerValue() != MIDI_CONTROLLER_VOLUME)
retList.push_back(*it);
}
return retList;
}
void
MidiDevice::replaceControlParameters(const ControlList &con)
{
// Clear down instrument controllers in preparation for replace.
InstrumentList insList = getAllInstruments();
InstrumentList::iterator iIt = insList.begin();
for(; iIt != insList.end(); ++iIt) {
(*iIt)->clearStaticControllers();
}
// Clear the Device control list
m_controlList.clear();
// Now add the controllers to the device,
ControlList::const_iterator cIt = con.begin();
for(; cIt != con.end(); ++cIt) {
addControlParameter(*cIt, true);
}
}
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;
}
}
void
MidiMixerWindow::slotControllerDeviceEventReceived(MappedEvent *e,
const void *preferredCustomer)
{
if (preferredCustomer != this)
return ;
RG_DEBUG << "MidiMixerWindow::slotControllerDeviceEventReceived: this one's for me" << endl;
raise();
// get channel number n from event
// get nth instrument on current tab
if (e->getType() != MappedEvent::MidiController)
return ;
unsigned int channel = e->getRecordedChannel();
MidiByte controller = e->getData1();
MidiByte value = e->getData2();
int tabIndex = m_tabWidget->currentIndex();
int i = 0;
for (DeviceList::const_iterator it = m_studio->begin();
it != m_studio->end(); ++it) {
MidiDevice *dev =
dynamic_cast<MidiDevice*>(*it);
if (!dev)
continue;
if (i != tabIndex) {
++i;
continue;
}
InstrumentList instruments = dev->getPresentationInstruments();
for (InstrumentList::const_iterator iIt =
instruments.begin(); iIt != instruments.end(); ++iIt) {
Instrument *instrument = *iIt;
if (instrument->getNaturalChannel() != channel)
continue;
ControlList cl = dev->getIPBControlParameters();
for (ControlList::const_iterator i = cl.begin();
i != cl.end(); ++i) {
if ((*i).getControllerValue() == controller) {
RG_DEBUG << "Setting controller " << controller << " for instrument " << instrument->getId() << " to " << value << endl;
instrument->setControllerValue(controller, value);
break;
}
}
slotUpdateInstrument(instrument->getId());
emit instrumentParametersChanged(instrument->getId());
}
break;
}
}
void
MIDIInstrumentParameterPanel::setupControllers(MidiDevice *md)
{
RG_DEBUG << "setupControllers()";
if (!md)
return;
// To cut down on flicker, we avoid destroying and recreating
// widgets as far as possible here. If a label already exists,
// we just set its text; if a rotary exists, we only replace it
// if we actually need a different one.
Composition &comp = m_doc->getComposition();
ControlList list = md->getControlParameters();
// Sort by IPB position.
std::sort(list.begin(), list.end(),
ControlParameter::ControlPositionCmp());
int count = 0;
RotaryInfoVector::iterator rotaryIter = m_rotaries.begin();
// For each controller
for (ControlList::iterator it = list.begin();
it != list.end(); ++it) {
if (it->getIPBPosition() == -1)
continue;
// Get the knob colour (even if it's default, because otherwise it turns
// black instead of the default color from the map! it was here the
// whole time, this simple!)
//
const Colour c = comp.getGeneralColourMap().getColourByIndex(
it->getColourIndex());
const QColor knobColour = QColor(c.getRed(), c.getGreen(), c.getBlue());
Rotary *rotary = 0;
// If the Rotary widgets have already been created, update them.
if (rotaryIter != m_rotaries.end()) {
// Update the controller number that is associated with the
// existing rotary widget.
rotaryIter->controller = it->getControllerValue();
// Update the properties of the existing rotary widget.
rotary = rotaryIter->rotary;
rotary->setMinimum(it->getMin());
rotary->setMaximum(it->getMax());
// If the default is 64, then this is most likely a "centered"
// control which should show its distance from the 12 o'clock
// position around the outside.
rotary->setCentered((it->getDefault() == 64));
rotary->setKnobColour(knobColour);
// Update the controller name.
rotaryIter->label->setText(QObject::tr(it->getName().c_str()));
// Next Rotary widget
++rotaryIter;
} else { // Need to create the Rotary widget.
// Create a horizontal box for the Rotary/Label pair.
QWidget *hbox = new QWidget(m_rotaryFrame);
QHBoxLayout *hboxLayout = new QHBoxLayout;
hboxLayout->setSpacing(8);
hboxLayout->setMargin(0);
hbox->setLayout(hboxLayout);
// Add a Rotary
float pageStep = 5.0;
if (it->getMax() - it->getMin() < 10)
pageStep = 1.0;
else if (it->getMax() - it->getMin() < 20)
pageStep = 2.0;
rotary = new Rotary(hbox, // parent
it->getMin(), // minimum
it->getMax(), // maximum
1.0, // step
pageStep, // pageStep
it->getDefault(), // initialPosition
20, // size
Rotary::NoTicks, // ticks
false, // snapToTicks
(it->getDefault() == 64)); // centred, see setCentered() above
rotary->setKnobColour(knobColour);
hboxLayout->addWidget(rotary);
// Add a label
SqueezedLabel *label = new SqueezedLabel(QObject::tr(it->getName().c_str()), hbox);
label->setFont(font());
hboxLayout->addWidget(label);
RG_DEBUG << "setupControllers(): Adding new widget at " << (count / 2) << "," << (count % 2);
// Add the compound (Rotary and Label) widget to the grid.
m_rotaryGrid->addWidget(hbox, count / 2, (count % 2) * 2, Qt::AlignLeft);
hbox->show();
// Add to the Rotary info list
RotaryInfo ri;
ri.rotary = rotary;
ri.label = label;
ri.controller = it->getControllerValue();
m_rotaries.push_back(ri);
// Connect for changes to the Rotary by the user.
connect(rotary, SIGNAL(valueChanged(float)),
m_rotaryMapper, SLOT(map()));
rotaryIter = m_rotaries.end();
}
// Add signal mapping
//
m_rotaryMapper->setMapping(rotary,
int(it->getControllerValue()));
++count;
}
// If there are more rotary widgets than this instrument needs,
// delete them.
if (rotaryIter != m_rotaries.end()) {
for (RotaryInfoVector::iterator it = rotaryIter; it != m_rotaries.end(); ++it) {
// ??? Instead of deleting and recreating, we could hide the
// extras and bring them back when needed.
delete it->rotary;
delete it->label;
}
m_rotaries.resize(count);
}
}
