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#include <QDragEnterEvent> |
#include <QDragEnterEvent> |
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#include <QUrl> |
#include <QUrl> |
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#include <math.h> |
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// Channel status/usage usage limit control. |
// Channel status/usage usage limit control. |
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#define QSAMPLER_ERROR_LIMIT 3 |
#define QSAMPLER_ERROR_LIMIT 3 |
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// Needed for lroundf() |
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#include <math.h> |
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#ifndef CONFIG_ROUND |
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static inline long lroundf ( float x ) |
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{ |
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if (x >= 0.0f) |
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return long(x + 0.5f); |
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else |
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return long(x - 0.5f); |
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} |
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#endif |
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namespace QSampler { |
namespace QSampler { |
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ChannelStrip::ChannelStrip(QWidget* parent, Qt::WFlags f) : QWidget(parent, f) { |
// Channel strip activation/selection. |
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ui.setupUi(this); |
ChannelStrip *ChannelStrip::g_pSelectedStrip = NULL; |
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// Initialize locals. |
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m_pChannel = NULL; |
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m_iDirtyChange = 0; |
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m_iErrorCount = 0; |
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// Try to restore normal window positioning. |
ChannelStrip::ChannelStrip ( QWidget* pParent, Qt::WindowFlags wflags ) |
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adjustSize(); |
: QWidget(pParent, wflags) |
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{ |
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m_ui.setupUi(this); |
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// Initialize locals. |
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m_pChannel = NULL; |
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m_iDirtyChange = 0; |
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m_iErrorCount = 0; |
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QObject::connect(ui.ChannelSetupPushButton, |
// Try to restore normal window positioning. |
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adjustSize(); |
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setSelected(false); |
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QObject::connect(m_ui.ChannelSetupPushButton, |
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SIGNAL(clicked()), |
SIGNAL(clicked()), |
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SLOT(channelSetup())); |
SLOT(channelSetup())); |
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QObject::connect(ui.ChannelMutePushButton, |
QObject::connect(m_ui.ChannelMutePushButton, |
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SIGNAL(toggled(bool)), |
SIGNAL(toggled(bool)), |
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SLOT(channelMute(bool))); |
SLOT(channelMute(bool))); |
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QObject::connect(ui.ChannelSoloPushButton, |
QObject::connect(m_ui.ChannelSoloPushButton, |
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SIGNAL(toggled(bool)), |
SIGNAL(toggled(bool)), |
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SLOT(channelSolo(bool))); |
SLOT(channelSolo(bool))); |
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QObject::connect(ui.VolumeSlider, |
QObject::connect(m_ui.VolumeSlider, |
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SIGNAL(valueChanged(int)), |
SIGNAL(valueChanged(int)), |
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SLOT(volumeChanged(int))); |
SLOT(volumeChanged(int))); |
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QObject::connect(ui.VolumeSpinBox, |
QObject::connect(m_ui.VolumeSpinBox, |
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SIGNAL(valueChanged(int)), |
SIGNAL(valueChanged(int)), |
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SLOT(volumeChanged(int))); |
SLOT(volumeChanged(int))); |
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QObject::connect(ui.ChannelEditPushButton, |
QObject::connect(m_ui.ChannelEditPushButton, |
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SIGNAL(clicked()), |
SIGNAL(clicked()), |
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SLOT(channelEdit())); |
SLOT(channelEdit())); |
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} |
} |
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ChannelStrip::~ChannelStrip() { |
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// Destroy existing channel descriptor. |
ChannelStrip::~ChannelStrip (void) |
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if (m_pChannel) |
{ |
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delete m_pChannel; |
// Destroy existing channel descriptor. |
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m_pChannel = NULL; |
if (m_pChannel) |
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delete m_pChannel; |
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m_pChannel = NULL; |
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} |
} |
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// Channel strip setup formal initializer. |
// Channel strip setup formal initializer. |
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void ChannelStrip::setup ( qsamplerChannel *pChannel ) |
void ChannelStrip::setup ( qsamplerChannel *pChannel ) |
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{ |
{ |
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// Destroy any previous channel descriptor; |
// Destroy any previous channel descriptor; |
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// (remember that once setup we own it!) |
// (remember that once setup we own it!) |
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if (m_pChannel) |
if (m_pChannel) |
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delete m_pChannel; |
delete m_pChannel; |
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// Set the new one... |
// Set the new one... |
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m_pChannel = pChannel; |
m_pChannel = pChannel; |
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// Stabilize this around. |
// Stabilize this around. |
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updateChannelInfo(); |
updateChannelInfo(); |
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// We'll accept drops from now on... |
// We'll accept drops from now on... |
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if (m_pChannel) |
if (m_pChannel) |
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setAcceptDrops(true); |
setAcceptDrops(true); |
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} |
} |
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// Channel secriptor accessor. |
// Channel secriptor accessor. |
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qsamplerChannel *ChannelStrip::channel (void) |
qsamplerChannel *ChannelStrip::channel (void) const |
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{ |
{ |
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return m_pChannel; |
return m_pChannel; |
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} |
} |
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// Messages view font accessors. |
// Messages view font accessors. |
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QFont ChannelStrip::displayFont (void) |
QFont ChannelStrip::displayFont (void) const |
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{ |
{ |
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return ui.EngineNameTextLabel->font(); |
return m_ui.EngineNameTextLabel->font(); |
184 |
} |
} |
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void ChannelStrip::setDisplayFont ( const QFont & font ) |
void ChannelStrip::setDisplayFont ( const QFont & font ) |
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{ |
{ |
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ui.EngineNameTextLabel->setFont(font); |
m_ui.EngineNameTextLabel->setFont(font); |
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ui.MidiPortChannelTextLabel->setFont(font); |
m_ui.MidiPortChannelTextLabel->setFont(font); |
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ui.InstrumentNameTextLabel->setFont(font); |
m_ui.InstrumentNameTextLabel->setFont(font); |
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ui.InstrumentStatusTextLabel->setFont(font); |
m_ui.InstrumentStatusTextLabel->setFont(font); |
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} |
} |
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{ |
{ |
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QPalette pal; |
QPalette pal; |
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pal.setColor(QPalette::Foreground, Qt::yellow); |
pal.setColor(QPalette::Foreground, Qt::yellow); |
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ui.EngineNameTextLabel->setPalette(pal); |
m_ui.EngineNameTextLabel->setPalette(pal); |
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ui.MidiPortChannelTextLabel->setPalette(pal); |
m_ui.MidiPortChannelTextLabel->setPalette(pal); |
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pal.setColor(QPalette::Foreground, Qt::green); |
pal.setColor(QPalette::Foreground, Qt::green); |
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if (bDisplayEffect) { |
if (bDisplayEffect) { |
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QPixmap pm(":/icons/displaybg1.png"); |
QPixmap pm(":/icons/displaybg1.png"); |
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} else { |
} else { |
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pal.setColor(QPalette::Background, Qt::black); |
pal.setColor(QPalette::Background, Qt::black); |
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} |
} |
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ui.ChannelInfoFrame->setPalette(pal); |
m_ui.ChannelInfoFrame->setPalette(pal); |
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ui.StreamVoiceCountTextLabel->setPalette(pal); |
m_ui.StreamVoiceCountTextLabel->setPalette(pal); |
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} |
} |
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// Maximum volume slider accessors. |
// Maximum volume slider accessors. |
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void ChannelStrip::setMaxVolume ( int iMaxVolume ) |
void ChannelStrip::setMaxVolume ( int iMaxVolume ) |
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{ |
{ |
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m_iDirtyChange++; |
m_iDirtyChange++; |
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ui.VolumeSlider->setRange(0, iMaxVolume); |
m_ui.VolumeSlider->setRange(0, iMaxVolume); |
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ui.VolumeSpinBox->setRange(0, iMaxVolume); |
m_ui.VolumeSpinBox->setRange(0, iMaxVolume); |
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m_iDirtyChange--; |
m_iDirtyChange--; |
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} |
} |
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// Instrument name... |
// Instrument name... |
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if (m_pChannel->instrumentName().isEmpty()) { |
if (m_pChannel->instrumentName().isEmpty()) { |
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if (m_pChannel->instrumentStatus() >= 0) |
if (m_pChannel->instrumentStatus() >= 0) { |
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ui.InstrumentNameTextLabel->setText(' ' + qsamplerChannel::loadingInstrument()); |
m_ui.InstrumentNameTextLabel->setText( |
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else |
' ' + qsamplerChannel::loadingInstrument()); |
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ui.InstrumentNameTextLabel->setText(' ' + qsamplerChannel::noInstrumentName()); |
} else { |
314 |
} else |
m_ui.InstrumentNameTextLabel->setText( |
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ui.InstrumentNameTextLabel->setText(' ' + m_pChannel->instrumentName()); |
' ' + qsamplerChannel::noInstrumentName()); |
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} |
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} else { |
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m_ui.InstrumentNameTextLabel->setText( |
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' ' + m_pChannel->instrumentName()); |
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} |
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return true; |
return true; |
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} |
} |
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// Do the dirty volume change. |
// Do the dirty volume change. |
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bool ChannelStrip::updateChannelVolume (void) |
bool ChannelStrip::updateChannelVolume (void) |
328 |
{ |
{ |
329 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
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return false; |
return false; |
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// Convert... |
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#ifdef CONFIG_ROUND |
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int iVolume = (int) ::round(100.0 * m_pChannel->volume()); |
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#else |
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double fIPart = 0.0; |
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double fFPart = ::modf(100.0 * m_pChannel->volume(), &fIPart); |
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int iVolume = (int) fIPart; |
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if (fFPart >= +0.5) |
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iVolume++; |
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else |
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if (fFPart <= -0.5) |
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iVolume--; |
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#endif |
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// And clip... |
// Convert... |
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if (iVolume < 0) |
int iVolume = ::lroundf(100.0f * m_pChannel->volume()); |
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iVolume = 0; |
// And clip... |
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if (iVolume < 0) |
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// Flag it here, to avoid infinite recursion. |
iVolume = 0; |
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m_iDirtyChange++; |
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ui.VolumeSlider->setValue(iVolume); |
// Flag it here, to avoid infinite recursion. |
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ui.VolumeSpinBox->setValue(iVolume); |
m_iDirtyChange++; |
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m_iDirtyChange--; |
m_ui.VolumeSlider->setValue(iVolume); |
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m_ui.VolumeSpinBox->setValue(iVolume); |
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m_iDirtyChange--; |
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return true; |
return true; |
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} |
} |
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// Update whole channel info state. |
// Update whole channel info state. |
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bool ChannelStrip::updateChannelInfo (void) |
bool ChannelStrip::updateChannelInfo (void) |
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{ |
{ |
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if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
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return false; |
return false; |
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// Check for error limit/recycle... |
// Check for error limit/recycle... |
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if (m_iErrorCount > QSAMPLER_ERROR_LIMIT) |
if (m_iErrorCount > QSAMPLER_ERROR_LIMIT) |
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return true; |
return true; |
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// Update strip caption. |
// Update strip caption. |
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QString sText = m_pChannel->channelName(); |
QString sText = m_pChannel->channelName(); |
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setWindowTitle(sText); |
setWindowTitle(sText); |
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ui.ChannelSetupPushButton->setText(sText); |
m_ui.ChannelSetupPushButton->setText('&' + sText); |
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// Check if we're up and connected. |
// Check if we're up and connected. |
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MainForm* pMainForm = MainForm::getInstance(); |
MainForm* pMainForm = MainForm::getInstance(); |
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if (pMainForm->client() == NULL) |
if (pMainForm->client() == NULL) |
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return false; |
return false; |
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// Read actual channel information. |
// Read actual channel information. |
369 |
m_pChannel->updateChannelInfo(); |
m_pChannel->updateChannelInfo(); |
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// Engine name... |
// Engine name... |
372 |
if (m_pChannel->engineName().isEmpty()) |
if (m_pChannel->engineName().isEmpty()) { |
373 |
ui.EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName()); |
m_ui.EngineNameTextLabel->setText( |
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else |
' ' + qsamplerChannel::noEngineName()); |
375 |
ui.EngineNameTextLabel->setText(' ' + m_pChannel->engineName()); |
} else { |
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m_ui.EngineNameTextLabel->setText( |
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' ' + m_pChannel->engineName()); |
378 |
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} |
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// Instrument name... |
// Instrument name... |
381 |
updateInstrumentName(false); |
updateInstrumentName(false); |
382 |
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// MIDI Port/Channel... |
// MIDI Port/Channel... |
384 |
QString sMidiPortChannel = QString::number(m_pChannel->midiPort()) + " / "; |
QString sMidiPortChannel = QString::number(m_pChannel->midiPort()) + " / "; |
385 |
if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL) |
if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL) |
386 |
sMidiPortChannel += tr("All"); |
sMidiPortChannel += tr("All"); |
387 |
else |
else |
388 |
sMidiPortChannel += QString::number(m_pChannel->midiChannel() + 1); |
sMidiPortChannel += QString::number(m_pChannel->midiChannel() + 1); |
389 |
ui.MidiPortChannelTextLabel->setText(sMidiPortChannel); |
m_ui.MidiPortChannelTextLabel->setText(sMidiPortChannel); |
390 |
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391 |
// Common palette... |
// Common palette... |
392 |
QPalette pal; |
QPalette pal; |
393 |
const QColor& rgbFore = pal.color(QPalette::Foreground); |
const QColor& rgbFore = pal.color(QPalette::Foreground); |
394 |
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395 |
// Instrument status... |
// Instrument status... |
396 |
int iInstrumentStatus = m_pChannel->instrumentStatus(); |
int iInstrumentStatus = m_pChannel->instrumentStatus(); |
397 |
if (iInstrumentStatus < 0) { |
if (iInstrumentStatus < 0) { |
398 |
pal.setColor(QPalette::Foreground, Qt::red); |
pal.setColor(QPalette::Foreground, Qt::red); |
399 |
ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
400 |
ui.InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus)); |
m_ui.InstrumentStatusTextLabel->setText( |
401 |
m_iErrorCount++; |
tr("ERR%1").arg(iInstrumentStatus)); |
402 |
return false; |
m_iErrorCount++; |
403 |
} |
return false; |
404 |
// All seems normal... |
} |
405 |
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// All seems normal... |
406 |
pal.setColor(QPalette::Foreground, |
pal.setColor(QPalette::Foreground, |
407 |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
408 |
ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
409 |
ui.InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%'); |
m_ui.InstrumentStatusTextLabel->setText( |
410 |
m_iErrorCount = 0; |
QString::number(iInstrumentStatus) + '%'); |
411 |
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m_iErrorCount = 0; |
412 |
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413 |
#ifdef CONFIG_MUTE_SOLO |
#ifdef CONFIG_MUTE_SOLO |
414 |
// Mute/Solo button state coloring... |
// Mute/Solo button state coloring... |
415 |
bool bMute = m_pChannel->channelMute(); |
bool bMute = m_pChannel->channelMute(); |
416 |
const QColor& rgbButton = pal.color(QPalette::Button); |
const QColor& rgbButton = pal.color(QPalette::Button); |
417 |
pal.setColor(QPalette::Foreground, rgbFore); |
pal.setColor(QPalette::Foreground, rgbFore); |
418 |
pal.setColor(QPalette::Button, bMute ? Qt::yellow : rgbButton); |
pal.setColor(QPalette::Button, bMute ? Qt::yellow : rgbButton); |
419 |
ui.ChannelMutePushButton->setPalette(pal); |
m_ui.ChannelMutePushButton->setPalette(pal); |
420 |
ui.ChannelMutePushButton->setDown(bMute); |
m_ui.ChannelMutePushButton->setDown(bMute); |
421 |
bool bSolo = m_pChannel->channelSolo(); |
bool bSolo = m_pChannel->channelSolo(); |
422 |
pal.setColor(QPalette::Button, bSolo ? Qt::cyan : rgbButton); |
pal.setColor(QPalette::Button, bSolo ? Qt::cyan : rgbButton); |
423 |
ui.ChannelSoloPushButton->setPalette(pal); |
m_ui.ChannelSoloPushButton->setPalette(pal); |
424 |
ui.ChannelSoloPushButton->setDown(bSolo); |
m_ui.ChannelSoloPushButton->setDown(bSolo); |
425 |
#else |
#else |
426 |
ui.ChannelMutePushButton->setEnabled(false); |
m_ui.ChannelMutePushButton->setEnabled(false); |
427 |
ui.ChannelSoloPushButton->setEnabled(false); |
m_ui.ChannelSoloPushButton->setEnabled(false); |
428 |
#endif |
#endif |
429 |
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430 |
// And update the both GUI volume elements; |
// And update the both GUI volume elements; |
431 |
// return success if, and only if, intrument is fully loaded... |
// return success if, and only if, intrument is fully loaded... |
432 |
return updateChannelVolume() && (iInstrumentStatus == 100); |
return updateChannelVolume() && (iInstrumentStatus == 100); |
433 |
} |
} |
434 |
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435 |
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436 |
// Update whole channel usage state. |
// Update whole channel usage state. |
437 |
bool ChannelStrip::updateChannelUsage (void) |
bool ChannelStrip::updateChannelUsage (void) |
438 |
{ |
{ |
439 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
440 |
return false; |
return false; |
441 |
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442 |
MainForm *pMainForm = MainForm::getInstance(); |
MainForm *pMainForm = MainForm::getInstance(); |
443 |
if (pMainForm->client() == NULL) |
if (pMainForm->client() == NULL) |
445 |
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446 |
// This only makes sense on fully loaded channels... |
// This only makes sense on fully loaded channels... |
447 |
if (m_pChannel->instrumentStatus() < 100) |
if (m_pChannel->instrumentStatus() < 100) |
448 |
return false; |
return false; |
449 |
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450 |
// Get current channel voice count. |
// Get current channel voice count. |
451 |
int iVoiceCount = ::lscp_get_channel_voice_count(pMainForm->client(), m_pChannel->channelID()); |
int iVoiceCount = ::lscp_get_channel_voice_count( |
452 |
// Get current stream count. |
pMainForm->client(), m_pChannel->channelID()); |
453 |
int iStreamCount = ::lscp_get_channel_stream_count(pMainForm->client(), m_pChannel->channelID()); |
// Get current stream count. |
454 |
// Get current channel buffer fill usage. |
int iStreamCount = ::lscp_get_channel_stream_count( |
455 |
// As benno has suggested this is the percentage usage |
pMainForm->client(), m_pChannel->channelID()); |
456 |
// of the least filled buffer stream... |
// Get current channel buffer fill usage. |
457 |
int iStreamUsage = ::lscp_get_channel_stream_usage(pMainForm->client(), m_pChannel->channelID());; |
// As benno has suggested this is the percentage usage |
458 |
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// of the least filled buffer stream... |
459 |
// Update the GUI elements... |
int iStreamUsage = ::lscp_get_channel_stream_usage( |
460 |
ui.StreamUsageProgressBar->setValue(iStreamUsage); |
pMainForm->client(), m_pChannel->channelID());; |
461 |
ui.StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
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462 |
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// Update the GUI elements... |
463 |
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m_ui.StreamUsageProgressBar->setValue(iStreamUsage); |
464 |
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m_ui.StreamVoiceCountTextLabel->setText( |
465 |
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QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
466 |
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467 |
// We're clean. |
// We're clean. |
468 |
return true; |
return true; |
469 |
} |
} |
470 |
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471 |
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472 |
// Volume change slot. |
// Volume change slot. |
473 |
void ChannelStrip::volumeChanged ( int iVolume ) |
void ChannelStrip::volumeChanged ( int iVolume ) |
474 |
{ |
{ |
475 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
476 |
return; |
return; |
477 |
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478 |
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// Avoid recursion. |
479 |
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if (m_iDirtyChange > 0) |
480 |
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return; |
481 |
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482 |
// Avoid recursion. |
// Convert and clip. |
483 |
if (m_iDirtyChange > 0) |
float fVolume = (float) iVolume / 100.0f; |
484 |
return; |
if (fVolume < 0.001f) |
485 |
|
fVolume = 0.0f; |
486 |
// Convert and clip. |
|
487 |
float fVolume = (float) iVolume / 100.0; |
// Update the GUI elements. |
488 |
if (fVolume < 0.001) |
if (m_pChannel->setVolume(fVolume)) { |
489 |
fVolume = 0.0; |
updateChannelVolume(); |
490 |
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emit channelChanged(this); |
491 |
// Update the GUI elements. |
} |
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if (m_pChannel->setVolume(fVolume)) { |
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updateChannelVolume(); |
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emit channelChanged(this); |
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} |
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492 |
} |
} |
493 |
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494 |
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495 |
// Context menu event handler. |
// Context menu event handler. |
496 |
void ChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
void ChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
497 |
{ |
{ |
498 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
499 |
return; |
return; |
500 |
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501 |
// We'll just show up the main form's edit menu (thru qsamplerChannel). |
// We'll just show up the main form's edit menu (thru qsamplerChannel). |
502 |
m_pChannel->contextMenuEvent(pEvent); |
m_pChannel->contextMenuEvent(pEvent); |
503 |
} |
} |
504 |
|
|
505 |
|
|
509 |
m_iErrorCount = 0; |
m_iErrorCount = 0; |
510 |
} |
} |
511 |
|
|
512 |
|
|
513 |
|
// Channel strip activation/selection. |
514 |
|
void ChannelStrip::setSelected ( bool bSelected ) |
515 |
|
{ |
516 |
|
if (bSelected) { |
517 |
|
if (g_pSelectedStrip == this) |
518 |
|
return; |
519 |
|
if (g_pSelectedStrip) |
520 |
|
g_pSelectedStrip->setSelected(false); |
521 |
|
g_pSelectedStrip = this; |
522 |
|
} else { |
523 |
|
if (g_pSelectedStrip == this) |
524 |
|
g_pSelectedStrip = NULL; |
525 |
|
} |
526 |
|
|
527 |
|
QPalette pal; |
528 |
|
if (bSelected) { |
529 |
|
const QColor& color = pal.midlight().color(); |
530 |
|
pal.setColor(QPalette::Background, color.dark(150)); |
531 |
|
pal.setColor(QPalette::Foreground, color.light(150)); |
532 |
|
} |
533 |
|
QWidget::setPalette(pal); |
534 |
|
} |
535 |
|
|
536 |
|
|
537 |
|
bool ChannelStrip::isSelected (void) const |
538 |
|
{ |
539 |
|
return (this == g_pSelectedStrip); |
540 |
|
} |
541 |
|
|
542 |
|
|
543 |
} // namespace QSampler |
} // namespace QSampler |
544 |
|
|
545 |
|
|