MuseScore/mscore/mixer.cpp
Joachim Schmitz 632f830f5f Fix #275218: fix MSVC compiler warnings
* Warnings C4304, C4804 and C4838.
* Warnings C4065 and most C4702 (all but two).
* Warnings C4701.
* Warnings C4244.
* Warnings C4457.
* Warnings C4459.
* Some warnings C4456, due to nested `foreach` loops.
2018-08-14 10:03:49 +02:00

806 lines
30 KiB
C++

//=============================================================================
// MuseScore
// Linux Music Score Editor
// $Id: mixer.cpp 5651 2012-05-19 15:57:26Z lasconic $
//
// Copyright (C) 2002-2016 Werner Schweer and others
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License version 2.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//=============================================================================
#include "musescore.h"
#include "libmscore/score.h"
#include "libmscore/part.h"
#include "mixer.h"
#include "seq.h"
#include "libmscore/undo.h"
#include "synthcontrol.h"
#include "synthesizer/msynthesizer.h"
#include "preferences.h"
#include <qmessagebox.h>
#include <accessibletoolbutton.h>
namespace Ms {
#define _setValue(__x, __y) \
__x->blockSignals(true); \
__x->setValue(__y); \
__x->blockSignals(false);
#define _setChecked(__x, __y) \
__x->blockSignals(true); \
__x->setChecked(__y); \
__x->blockSignals(false);
//---------------------------------------------------------
// PartEdit
//---------------------------------------------------------
PartEdit::PartEdit(QWidget* parent)
: QWidget(parent, Qt::Dialog)
{
setupUi(this);
connect(patch, SIGNAL(activated(int)), SLOT(patchChanged(int)));
connect(volume, SIGNAL(valueChanged(double,int)), SLOT(volChanged(double)));
connect(pan, SIGNAL(valueChanged(double,int)), SLOT(panChanged(double)));
connect(chorus, SIGNAL(valueChanged(double,int)), SLOT(chorusChanged(double)));
connect(reverb, SIGNAL(valueChanged(double,int)), SLOT(reverbChanged(double)));
connect(mute, SIGNAL(toggled(bool)), SLOT(muteChanged(bool)));
connect(solo, SIGNAL(toggled(bool)), SLOT(soloToggled(bool)));
connect(drumset, SIGNAL(toggled(bool)), SLOT(drumsetToggled(bool)));
connect(portSpinBox, SIGNAL(valueChanged(int)), SLOT(midiChannelChanged(int)));
connect(channelSpinBox, SIGNAL(valueChanged(int)), SLOT(midiChannelChanged(int)));
connect(expand, SIGNAL(toggled(bool)), SLOT(expandToggled(bool)));
expandToggled(false);
}
//---------------------------------------------------------
// expandToggled
//---------------------------------------------------------
void PartEdit::expandToggled(bool val)
{
details->setVisible(val);
}
//---------------------------------------------------------
// setPart
//---------------------------------------------------------
void PartEdit::setPart(Part* p, Channel* a)
{
Channel dummy;
channel = a;
part = p;
QString s = part->partName();
if (!a->name.isEmpty()) {
if (a->name != "normal") {
s += "-";
s += qApp->translate("InstrumentsXML", a->name.toUtf8().data());
}
}
partName->setText(s);
_setValue(volume, a->volume);
volume->setDclickValue1(dummy.volume);
volume->setDclickValue2(dummy.volume);
_setValue(reverb, a->reverb);
reverb->setDclickValue1(dummy.reverb);
reverb->setDclickValue2(dummy.reverb);
_setValue(chorus, a->chorus);
chorus->setDclickValue1(dummy.chorus);
chorus->setDclickValue2(dummy.chorus);
_setValue(pan, a->pan);
pan->setDclickValue1(0);
pan->setDclickValue2(0);
for (int i = 0; i < patch->count(); ++i) {
MidiPatch* mp = (MidiPatch*)patch->itemData(i, Qt::UserRole).value<void*>();
if (a->synti == mp->synti && a->program == mp->prog && a->bank == mp->bank) {
patch->setCurrentIndex(i);
break;
}
}
_setChecked(drumset, p->instrument()->useDrumset());
_setValue(portSpinBox, part->masterScore()->midiMapping(a->channel)->port + 1);
_setValue(channelSpinBox, part->masterScore()->midiMapping(a->channel)->channel + 1);
QHBoxLayout* hb = voiceButtonBox;
int idx = 0;
for (Staff* staff : *part->staves()) {
for (int voice = 0; voice < VOICES; ++voice) {
if (!voiceButtons.value(idx)) {
QToolButton* tb = new QToolButton;
tb->setText(QString("%1").arg(voice+1));
tb->setCheckable(true);
tb->setChecked(staff->playbackVoice(voice));
tb->setFocusPolicy(Qt::ClickFocus);
tb->setToolButtonStyle(Qt::ToolButtonTextOnly);
QPalette pal(tb->palette());
pal.setColor(QPalette::Base, MScore::selectColor[voice]);
tb->setPalette(pal);
hb->addWidget(tb);
voiceButtons.append(tb);
connect(tb, SIGNAL(clicked()), SLOT(playbackVoiceChanged()));
}
++idx;
}
hb->addStretch(5);
}
while (voiceButtons.value(idx)) {
QToolButton* tb = voiceButtons.value(idx);
if (!tb)
break;
voiceButtons.takeAt(idx);
delete tb;
}
}
//---------------------------------------------------------
// playbackVoiceChanged
//---------------------------------------------------------
void PartEdit::playbackVoiceChanged()
{
int idx = 0;
Score* score = part->score();
score->startCmd();
for (Staff* staff : *part->staves()) {
for (int voice = 0; voice < VOICES; ++voice) {
QToolButton* tb = voiceButtons[idx];
bool val = tb->isChecked();
if (val != staff->playbackVoice(voice)) {
switch (voice) {
case 0:
printf("undo\n");
staff->undoChangeProperty(Pid::PLAYBACK_VOICE1, val);
break;
case 1:
staff->undoChangeProperty(Pid::PLAYBACK_VOICE2, val);
break;
case 2:
staff->undoChangeProperty(Pid::PLAYBACK_VOICE3, val);
break;
case 3:
staff->undoChangeProperty(Pid::PLAYBACK_VOICE4, val);
break;
}
}
++idx;
}
}
score->endCmd();
}
//---------------------------------------------------------
// Mixer
//---------------------------------------------------------
Mixer::Mixer(QWidget* parent)
: QScrollArea(parent)
{
setObjectName("Mixer");
setWidgetResizable(true);
setWindowFlags(Qt::Tool);
setWindowFlags(this->windowFlags() & ~Qt::WindowContextHelpButtonHint);
QWidget* area = new QWidget(this);
vb = new QVBoxLayout;
vb->setMargin(0);
vb->setSpacing(0);
area->setLayout(vb);
setWidget(area);
enablePlay = new EnablePlayForWidget(this);
readSettings();
retranslate(true);
}
//---------------------------------------------------------
// retranslate
//---------------------------------------------------------
void Mixer::retranslate(bool firstTime)
{
setWindowTitle(tr("Mixer"));
if (!firstTime) {
for (int i = 0; i < vb->count(); i++) {
PartEdit* p = partEdit(i);
if (p) p->retranslateUi(p);
}
}
}
//---------------------------------------------------------
// closeEvent
//---------------------------------------------------------
void Mixer::closeEvent(QCloseEvent* ev)
{
emit closed(false);
QWidget::closeEvent(ev);
}
//---------------------------------------------------------
// showEvent
//---------------------------------------------------------
void Mixer::showEvent(QShowEvent* e)
{
enablePlay->showEvent(e);
QScrollArea::showEvent(e);
activateWindow();
setFocus();
}
//---------------------------------------------------------
// eventFilter
//---------------------------------------------------------
bool Mixer::eventFilter(QObject* obj, QEvent* e)
{
if (enablePlay->eventFilter(obj, e))
return true;
return QScrollArea::eventFilter(obj, e);
}
void Mixer::keyPressEvent(QKeyEvent* ev) {
if (ev->key() == Qt::Key_Escape && ev->modifiers() == Qt::NoModifier) {
close();
return;
}
QWidget::keyPressEvent(ev);
}
//---------------------------------------------------------
// changeEvent
//---------------------------------------------------------
void Mixer::changeEvent(QEvent *event)
{
QScrollArea::changeEvent(event);
if (event->type() == QEvent::LanguageChange)
retranslate();
}
//---------------------------------------------------------
// updateAll
//---------------------------------------------------------
void Mixer::updateAll(MasterScore* score)
{
cs = score;
int n = -vb->count();
if (n < 0) {
QLayoutItem* wi = vb->itemAt(vb->count()-1);
vb->removeItem(wi);
delete wi;
n += 1;
}
if (cs) {
QList<MidiMapping>* mm = cs->midiMapping();
n += mm->size();
}
while (n < 0) {
QLayoutItem* wi = vb->itemAt(0);
vb->removeItem(wi);
delete wi->widget();
delete wi;
++n;
}
while (n > 0) {
PartEdit* pe = new PartEdit;
connect(pe, SIGNAL(soloChanged(bool)), SLOT(updateSolo(bool)));
vb->addWidget(pe);
--n;
}
vb->addStretch(5);
patchListChanged();
}
//---------------------------------------------------------
// partEdit
//---------------------------------------------------------
PartEdit* Mixer::partEdit(int index)
{
if (index < vb->count()) {
QWidgetItem* wi = (QWidgetItem*)(vb->itemAt(index));
return (PartEdit*) wi->widget();
}
return 0;
}
//---------------------------------------------------------
// patchListChanged
//---------------------------------------------------------
void Mixer::patchListChanged()
{
if (!cs)
return;
int idx = 0;
QList<MidiMapping>* mm = cs->midiMapping();
const QList<MidiPatch*> pl = synti->getPatchInfo();
for (const MidiMapping& m : *mm) {
QLayoutItem* wi = (QWidgetItem*)(vb->itemAt(idx));
if (!wi->widget())
continue;
PartEdit* pe = (PartEdit*)(wi->widget());
bool drum = m.part->instrument()->useDrumset();
pe->patch->clear();
for (const MidiPatch* p : pl) {
if (p->drum == drum || p->synti != "Fluid")
pe->patch->addItem(p->name, QVariant::fromValue<void*>((void*)p));
}
pe->setPart(m.part, m.articulation);
idx++;
}
// Update solo & mute only after creating all controls (we need to sync all controls)
idx = 0;
for (const MidiMapping& m : *mm) {
QLayoutItem* wi = (QWidgetItem*)(vb->itemAt(idx));
if (!wi->widget())
continue;
PartEdit* pe = (PartEdit*)(wi->widget());
pe->mute->setChecked(m.articulation->mute);
pe->solo->setChecked(m.articulation->solo);
idx++;
}
}
//---------------------------------------------------------
// midiPrefsChanged
//---------------------------------------------------------
void Mixer::midiPrefsChanged(bool showMidiControls)
{
if (!cs)
return;
for (int i = 0; i < vb->count(); i++ ){
QWidgetItem* wi = (QWidgetItem*)(vb->itemAt(i));
PartEdit* pe = (PartEdit*)(wi->widget());
pe->channelLabel ->setVisible(showMidiControls);
pe->portLabel ->setVisible(showMidiControls);
pe->channelSpinBox->setVisible(showMidiControls);
pe->portSpinBox ->setVisible(showMidiControls);
if (!showMidiControls)
pe->hboxLayout->setSpacing(20);
else
pe->hboxLayout->setSpacing(5);
}
}
//---------------------------------------------------------
// showMixer
//---------------------------------------------------------
void MuseScore::showMixer(bool val)
{
if (!cs)
return;
QAction* a = getAction("toggle-mixer");
if (mixer == 0) {
mixer = new Mixer(this);
mscore->stackUnder(mixer);
if (synthControl)
connect(synthControl, SIGNAL(soundFontChanged()), mixer, SLOT(patchListChanged()));
connect(synti, SIGNAL(soundFontChanged()), mixer, SLOT(patchListChanged()));
connect(mixer, SIGNAL(closed(bool)), a, SLOT(setChecked(bool)));
}
mixer->updateAll(cs->masterScore());
mixer->setVisible(val);
}
//---------------------------------------------------------
// patchChanged
//---------------------------------------------------------
void PartEdit::patchChanged(int n, bool syncControls)
{
if (part == 0)
return;
const MidiPatch* p = (MidiPatch*)patch->itemData(n, Qt::UserRole).value<void*>();
if (p == 0) {
qDebug("PartEdit::patchChanged: no patch");
return;
}
Score* score = part->score();
if (score) {
score->startCmd();
score->undo(new ChangePatch(score, channel, p));
score->setLayoutAll();
score->endCmd();
}
channel->updateInitList();
sync(syncControls);
}
//---------------------------------------------------------
// volChanged
//---------------------------------------------------------
void PartEdit::volChanged(double val, bool syncControls)
{
int iv = lrint(val);
seq->setController(channel->channel, CTRL_VOLUME, iv);
channel->volume = iv;
channel->updateInitList();
sync(syncControls);
}
//---------------------------------------------------------
// panChanged
//---------------------------------------------------------
void PartEdit::panChanged(double val, bool syncControls)
{
int iv = lrint(val);
seq->setController(channel->channel, CTRL_PANPOT, iv);
channel->pan = iv;
channel->updateInitList();
sync(syncControls);
}
//---------------------------------------------------------
// reverbChanged
//---------------------------------------------------------
void PartEdit::reverbChanged(double val, bool syncControls)
{
int iv = lrint(val);
seq->setController(channel->channel, CTRL_REVERB_SEND, iv);
channel->reverb = iv;
channel->updateInitList();
sync(syncControls);
}
//---------------------------------------------------------
// chorusChanged
//---------------------------------------------------------
void PartEdit::chorusChanged(double val, bool syncControls)
{
int iv = lrint(val);
seq->setController(channel->channel, CTRL_CHORUS_SEND, iv);
channel->chorus = iv;
channel->updateInitList();
sync(syncControls);
}
//---------------------------------------------------------
// muteChanged
//---------------------------------------------------------
void PartEdit::muteChanged(bool val, bool syncControls)
{
if (val)
seq->stopNotes(channel->channel);
channel->mute = val;
sync(syncControls);
}
//---------------------------------------------------------
// soloToggled
//---------------------------------------------------------
void PartEdit::soloToggled(bool val, bool syncControls)
{
channel->solo = val;
channel->soloMute = !val;
if (val) {
mute->setChecked(false);
for (Part* p : part->score()->parts()) {
const InstrumentList* il = p->instruments();
for (auto i = il->begin(); i != il->end(); ++i) {
const Instrument* instr = i->second;
for (Channel* a : instr->channel()) {
a->soloMute = (channel != a && !a->solo);
a->solo = (channel == a || a->solo);
if (a->soloMute)
seq->stopNotes(a->channel);
}
}
}
emit soloChanged(true);
}
else { //do nothing except if it's the last solo to be switched off
bool found = false;
for (Part* p : part->score()->parts()) {
const InstrumentList* il = p->instruments();
for (auto i = il->begin(); i != il->end(); ++i) {
const Instrument* instr = i->second;
for (Channel* a : instr->channel()) {
if (a->solo){
found = true;
break;
}
}
}
}
if (!found){
foreach(Part* p, part->score()->parts()) {
const InstrumentList* il = p->instruments();
for (auto i = il->begin(); i != il->end(); ++i) {
const Instrument* instr = i->second;
for (Channel* a : instr->channel()) {
a->soloMute = false;
a->solo = false;
}
}
}
emit soloChanged(false);
}
}
sync(syncControls);
}
//---------------------------------------------------------
// drumsetToggled
//---------------------------------------------------------
void PartEdit::drumsetToggled(bool val, bool syncControls)
{
if (part == 0)
return;
Score* score = part->score();
score->startCmd();
part->undoChangeProperty(Pid::USE_DRUMSET, val);
patch->clear();
const QList<MidiPatch*> pl = synti->getPatchInfo();
for (const MidiPatch* p : pl) {
if (p->drum == val)
patch->addItem(p->name, QVariant::fromValue<void*>((void*)p));
}
// switch to first instrument
const MidiPatch* p = (MidiPatch*)patch->itemData(0, Qt::UserRole).value<void*>();
if (p == 0) {
qDebug("PartEdit::patchChanged: no patch");
return;
}
score->undo(new ChangePatch(score, channel, p));
score->setLayoutAll();
score->endCmd();
sync(syncControls);
}
//---------------------------------------------------------
// updateSolo
//---------------------------------------------------------
void Mixer::updateSolo(bool val)
{
for (int i = 0; i < vb->count(); i++ ){
QWidgetItem* wi = (QWidgetItem*)(vb->itemAt(i));
PartEdit* pe = (PartEdit*)(wi->widget());
if (pe)
pe->mute->setEnabled(!val);
}
}
//---------------------------------------------------------
// writeSettings
//---------------------------------------------------------
void Mixer::writeSettings()
{
MuseScore::saveGeometry(this);
}
//---------------------------------------------------------
// readSettings
//---------------------------------------------------------
void Mixer::readSettings()
{
resize(QSize(480, 600)); //ensure default size if no geometry in settings
MuseScore::restoreGeometry(this);
}
//---------------------------------------------------------
// sync
// synchronizes controls with same MIDI port and channel
//---------------------------------------------------------
void PartEdit::sync(bool syncControls)
{
if (!syncControls)
return;
int count = this->parentWidget()->layout()->count();
for(int i = 0; i < count; i++) {
QWidgetItem* wi = (QWidgetItem*)(this->parentWidget()->layout()->itemAt(i));
PartEdit* pe = (PartEdit*)(wi->widget());
if (pe != 0 && pe != this
&& this->channelSpinBox->value() == pe->channelSpinBox->value()
&& this->portSpinBox->value() == pe->portSpinBox->value()) {
if (volume->value() != pe->volume->value()) {
_setValue(pe->volume, this->volume->value());
emit pe->volChanged(this->volume->value(), false);
}
if (pan->value() != pe->pan->value()) {
_setValue(pe->pan, this->pan->value());
emit pe->panChanged(this->pan->value(), false);
}
if (reverb->value() != pe->reverb->value()) {
_setValue(pe->reverb, this->reverb->value());
emit pe->reverbChanged(this->reverb->value(), false);
}
if (chorus->value() != pe->chorus->value()) {
_setValue(pe->chorus, this->chorus->value());
emit pe->chorusChanged(this->chorus->value(), false);
}
if (mute->isChecked() != pe->mute->isChecked()) {
_setChecked(pe->mute, channel->mute);
emit pe->muteChanged(channel->mute, false);
}
if (solo->isChecked() != pe->solo->isChecked()) {
_setChecked(pe->solo, channel->solo);
emit pe->soloToggled(channel->solo, false);
}
if (drumset->isChecked() != pe->drumset->isChecked()) {
_setChecked(pe->drumset, drumset->isChecked());
emit pe->drumsetToggled(drumset->isChecked(), false);
}
if (patch->currentIndex() != pe->patch->currentIndex()) {
pe->patch->blockSignals(true);
pe->patch->setCurrentIndex(this->patch->currentIndex());
pe->patch->blockSignals(false);
}
}
}
}
//---------------------------------------------------------
// midiChannelChanged
// handles MIDI port & channel change
//---------------------------------------------------------
void PartEdit::midiChannelChanged(int)
{
if (part == 0)
return;
seq->stopNotes(channel->channel);
int p = portSpinBox->value() - 1;
int c = channelSpinBox->value() - 1;
// 1 is for going up, -1 for going down
int direction = copysign(1, c - part->masterScore()->midiMapping(channel->channel)->channel);
// Channel 9 is special for drums
if (part->instrument()->useDrumset() && c != 9) {
_setValue(channelSpinBox, 10);
return;
}
else if (!part->instrument()->useDrumset() && c == 9) {
c = 9 + direction;
}
if (c == 16) {
c = 0;
p++;
}
int newChannel = p*16+c;
// If there is an instrument with the same MIDI port and channel, sync this instrument to a found one
bool needSync = true;
int elementsInMixer = parentWidget()->layout()->count();
for (int i = 0; i < elementsInMixer; i++) {
QWidgetItem* wi = (QWidgetItem*)(this->parentWidget()->layout()->itemAt(i));
PartEdit* pe = (PartEdit*)(wi->widget());
if (pe != 0 && pe != this
&& pe->channelSpinBox->value() == this->channelSpinBox->value()
&& pe->portSpinBox->value() == this->portSpinBox->value()) {
// Show datails if parameters are different
QString detailedText;
if (patch->currentIndex() != pe->patch->currentIndex())
detailedText += QString(tr("Sound: '%1'' vs '%2'\n")).arg(patch->itemText(patch->currentIndex()), pe->patch->itemText(pe->patch->currentIndex()));
if (this->volume->value() != pe->volume->value())
detailedText += QString(tr("Volume: %1 vs %2\n")).arg(QString::number(volume->value()), QString::number(pe->volume->value()));
if (this->pan->value() != pe->pan->value())
detailedText += QString(tr("Pan: %1 vs %2\n")).arg(QString::number(pan->value()), QString::number(pe->pan->value()));
if (this->reverb->value() != pe->reverb->value())
detailedText += QString(tr("Reverb: %1 vs %2\n")).arg(QString::number(reverb->value()), QString::number(pe->reverb->value()));
if (this->chorus->value() != pe->chorus->value())
detailedText += QString(tr("Chorus: %1 vs %2\n")).arg(QString::number(chorus->value()), QString::number(pe->chorus->value()));
if (this->solo->isChecked() != pe->solo->isChecked())
detailedText += QString(tr("Solo: %1 vs %2\n")).arg(solo->isChecked()?"Yes":"No", pe->solo->isChecked()?"Yes":"No");
if (this->mute->isChecked() != pe->mute->isChecked())
detailedText += QString(tr("Mute: %1 vs %2\n")).arg(mute->isChecked()?"Yes":"No", pe->mute->isChecked()?"Yes":"No");
if (!detailedText.isEmpty())
detailedText = QString(tr("Instrument '%1' Instrument '%2'\n")).arg(this->partName->text(), pe->partName->text())+ detailedText;
QMessageBox msgBox;
msgBox.setIcon(QMessageBox::Warning);
QString text = QString(tr("There is already an instrument '%1' with MIDI port = %2 and channel = %3.")).arg(pe->partName->text(), QString::number(pe->portSpinBox->value()), QString::number(pe->channelSpinBox->value()));
msgBox.setText(text);
msgBox.setInformativeText(tr("Do you want to synchronize current instrument with an existing one?"));
msgBox.setDetailedText(detailedText);
msgBox.setStandardButtons(QMessageBox::Ok | QMessageBox::Cancel);
QPushButton *assignFreeChannel = msgBox.addButton(tr("Assign next free MIDI channel"), QMessageBox::HelpRole);
msgBox.setDefaultButton(QMessageBox::Ok);
if (msgBox.exec() == QMessageBox::Cancel) {
_setValue(channelSpinBox, part->masterScore()->midiMapping(channel->channel)->channel + 1);
_setValue(portSpinBox, part->masterScore()->midiMapping(channel->channel)->port + 1);
needSync = false;
break;
}
if (msgBox.clickedButton() == assignFreeChannel) {
newChannel = part->masterScore()->getNextFreeMidiMapping();
break;
}
// Sync
_setValue(channelSpinBox, newChannel % 16 + 1);
_setValue(portSpinBox, newChannel / 16 + 1);
part->masterScore()->midiMapping(channel->channel)->channel = newChannel % 16;
part->masterScore()->midiMapping(channel->channel)->port = newChannel / 16;
channel->volume = lrint(pe->volume->value());
channel->pan = lrint(pe->pan->value());
channel->reverb = lrint(pe->reverb->value());
channel->chorus = lrint(pe->chorus->value());
channel->mute = pe->mute->isChecked();
channel->solo = pe->solo->isChecked();
MidiPatch* newPatch = (MidiPatch*)pe->patch->itemData(pe->patch->currentIndex(), Qt::UserRole).value<void*>();
if (newPatch == 0)
return;
patch->setCurrentIndex(pe->patch->currentIndex());
channel->program = newPatch->prog;
channel->bank = newPatch->bank;
channel->synti = newPatch->synti;
part->masterScore()->setSoloMute();
part->score()->setInstrumentsChanged(true);
part->score()->setLayoutAll();
break;
}
}
channel->updateInitList();
if (needSync) {
_setValue(channelSpinBox, newChannel % 16 + 1);
_setValue(portSpinBox, newChannel / 16 + 1);
part->masterScore()->midiMapping(channel->channel)->channel = newChannel % 16;
part->masterScore()->midiMapping(channel->channel)->port = newChannel / 16;
part->score()->setInstrumentsChanged(true);
part->score()->setLayoutAll();
seq->initInstruments();
}
else {
// Initializing an instrument with new channel
foreach(const MidiCoreEvent& e, channel->init) {
if (e.type() == ME_INVALID)
continue;
NPlayEvent event(e.type(), channel->channel, e.dataA(), e.dataB());
seq->sendEvent(event);
}
}
// Update MIDI Out ports
int maxPort = max(p, part->score()->masterScore()->midiPortCount());
part->score()->masterScore()->setMidiPortCount(maxPort);
if (seq->driver() && (preferences.getBool(PREF_IO_JACK_USEJACKMIDI) || preferences.getBool(PREF_IO_ALSA_USEALSAAUDIO)))
seq->driver()->updateOutPortCount(maxPort + 1);
}
}