CarlaInstrumentView::CarlaInstrumentView(CarlaInstrument* const instrument, QWidget* const parent)
: InstrumentView(instrument, parent),
fHandle(instrument->fHandle),
fDescriptor(instrument->fDescriptor),
fTimerId(fHandle != NULL && fDescriptor->ui_idle != NULL ? startTimer(30) : 0)
{
setAutoFillBackground(true);
QPalette pal;
pal.setBrush(backgroundRole(), instrument->kIsPatchbay ? PLUGIN_NAME::getIconPixmap("artwork-patchbay") : PLUGIN_NAME::getIconPixmap("artwork-rack"));
setPalette(pal);
QVBoxLayout * l = new QVBoxLayout( this );
l->setContentsMargins( 20, 180, 10, 10 );
l->setSpacing( 10 );
m_toggleUIButton = new QPushButton( tr( "Show GUI" ), this );
m_toggleUIButton->setCheckable( true );
m_toggleUIButton->setChecked( false );
m_toggleUIButton->setIcon( embed::getIconPixmap( "zoom" ) );
m_toggleUIButton->setFont( pointSize<8>( m_toggleUIButton->font() ) );
connect( m_toggleUIButton, SIGNAL( clicked(bool) ), this, SLOT( toggleUI( bool ) ) );
m_toggleUIButton->setWhatsThis(
tr( "Click here to show or hide the graphical user interface (GUI) of Carla." ) );
l->addWidget( m_toggleUIButton );
l->addStretch();
connect(instrument, SIGNAL(uiClosed()), this, SLOT(uiClosed()));
}
void uiShow(const bool show) override
{
if (show)
{
if (isPipeRunning())
{
writeFocusMessage();
return;
}
carla_stdout("Trying to start UI using \"%s\"", fExtUiPath.buffer());
CarlaExternalUI::setData(fExtUiPath, getSampleRate(), getUiName());
if (! CarlaExternalUI::startPipeServer(true))
{
uiClosed();
hostUiUnavailable();
}
}
else
{
CarlaExternalUI::stopPipeServer(2000);
}
}
void uiIdle() override
{
CarlaExternalUI::idlePipe();
switch (CarlaExternalUI::getAndResetUiState())
{
case CarlaExternalUI::UiNone:
case CarlaExternalUI::UiShow:
break;
case CarlaExternalUI::UiCrashed:
uiClosed();
hostUiUnavailable();
break;
case CarlaExternalUI::UiHide:
uiClosed();
CarlaExternalUI::stopPipeServer(1000);
break;
}
}
void uiShow(const bool show) override
{
if (! show)
return;
if (const char* const filename = uiOpenFile(false, "Open Audio File", ""))
uiCustomDataChanged("file", filename);
uiClosed();
}
void uiIdle() override
{
CarlaExternalUI::idle();
if (! CarlaExternalUI::isOk())
return;
switch (CarlaExternalUI::getAndResetUiState())
{
case CarlaExternalUI::UiNone:
case CarlaExternalUI::UiShow:
break;
case CarlaExternalUI::UiCrashed:
hostUiUnavailable();
break;
case CarlaExternalUI::UiHide:
uiClosed();
CarlaExternalUI::stop();
break;
}
}
void CarlaInstrument::handleUiClosed()
{
emit uiClosed();
}
