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// qsamplerChannelStrip.cpp |
// qsamplerChannelStrip.cpp |
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// |
// |
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/**************************************************************************** |
/**************************************************************************** |
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Copyright (C) 2004-2007, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2004-2014, rncbc aka Rui Nuno Capela. All rights reserved. |
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Copyright (C) 2007, Christian Schoenebeck |
Copyright (C) 2007, 2008, 2014 Christian Schoenebeck |
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This program is free software; you can redistribute it and/or |
This program is free software; you can redistribute it and/or |
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modify it under the terms of the GNU General Public License |
modify it under the terms of the GNU General Public License |
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#include "qsamplerMainForm.h" |
#include "qsamplerMainForm.h" |
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#include "qsamplerChannelFxForm.h" |
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#include <QMessageBox> |
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#include <QDragEnterEvent> |
#include <QDragEnterEvent> |
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#include <QFileInfo> |
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#include <QTimer> |
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#include <QUrl> |
#include <QUrl> |
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#include <QMenu> |
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#include <math.h> |
#if QT_VERSION >= 0x050000 |
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#include <QMimeData> |
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#endif |
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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) { |
//------------------------------------------------------------------------- |
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ui.setupUi(this); |
// QSampler::ChannelStrip -- Channel strip form implementation. |
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// |
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// MIDI activity pixmap common resources. |
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int ChannelStrip::g_iMidiActivityRefCount = 0; |
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QPixmap *ChannelStrip::g_pMidiActivityLedOn = NULL; |
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QPixmap *ChannelStrip::g_pMidiActivityLedOff = NULL; |
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// Channel strip activation/selection. |
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ChannelStrip *ChannelStrip::g_pSelectedStrip = NULL; |
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ChannelStrip::ChannelStrip ( QWidget* pParent, Qt::WindowFlags wflags ) |
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: 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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m_instrumentListPopupMenu = NULL; |
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if (++g_iMidiActivityRefCount == 1) { |
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g_pMidiActivityLedOn = new QPixmap(":/images/ledon1.png"); |
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g_pMidiActivityLedOff = new QPixmap(":/images/ledoff1.png"); |
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} |
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m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOff); |
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#ifndef CONFIG_EVENT_CHANNEL_MIDI |
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m_ui.MidiActivityLabel->setToolTip("MIDI activity (disabled)"); |
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#endif |
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// Initialize locals. |
m_pMidiActivityTimer = new QTimer(this); |
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m_pChannel = NULL; |
m_pMidiActivityTimer->setSingleShot(true); |
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m_iDirtyChange = 0; |
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m_iErrorCount = 0; |
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// Try to restore normal window positioning. |
QObject::connect(m_pMidiActivityTimer, |
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adjustSize(); |
SIGNAL(timeout()), |
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SLOT(midiActivityLedOff()) |
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); |
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QObject::connect(ui.ChannelSetupPushButton, |
// Try to restore normal window positioning. |
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adjustSize(); |
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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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QObject::connect(m_ui.FxPushButton, |
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SIGNAL(clicked()), |
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SLOT(channelFxEdit())); |
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setSelected(false); |
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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; |
setSelected(false); |
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m_pChannel = NULL; |
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// Destroy existing channel descriptor. |
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if (m_pChannel) |
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delete m_pChannel; |
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m_pChannel = NULL; |
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if (--g_iMidiActivityRefCount == 0) { |
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if (g_pMidiActivityLedOn) |
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delete g_pMidiActivityLedOn; |
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g_pMidiActivityLedOn = NULL; |
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if (g_pMidiActivityLedOff) |
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delete g_pMidiActivityLedOff; |
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g_pMidiActivityLedOff = NULL; |
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} |
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} |
} |
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while (iter.hasNext()) { |
while (iter.hasNext()) { |
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const QString& sFilename = iter.next().toLocalFile(); |
const QString& sFilename = iter.next().toLocalFile(); |
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if (!sFilename.isEmpty()) { |
if (!sFilename.isEmpty()) { |
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bAccept = qsamplerChannel::isInstrumentFile(sFilename); |
// bAccept = Channel::isDlsInstrumentFile(sFilename); |
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bAccept = QFileInfo(sFilename).exists(); |
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break; |
break; |
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} |
} |
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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 ( Channel *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) |
Channel *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(); |
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} |
} |
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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.InstrumentNamePushButton->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); |
pal.setColor(QPalette::ButtonText, Qt::yellow); |
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ui.MidiPortChannelTextLabel->setPalette(pal); |
m_ui.EngineNameTextLabel->setPalette(pal); |
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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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pal.setColor(QPalette::ButtonText, Qt::green); |
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if (bDisplayEffect) { |
if (bDisplayEffect) { |
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QPixmap pm(":/icons/displaybg1.png"); |
QPixmap pm(":/images/displaybg1.png"); |
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pal.setBrush(QPalette::Background, QBrush(pm)); |
pal.setBrush(QPalette::Background, QBrush(pm)); |
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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.InstrumentNamePushButton->setPalette(pal); |
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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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m_pChannel->editChannel(); |
m_pChannel->editChannel(); |
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} |
} |
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bool ChannelStrip::channelFxEdit (void) |
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{ |
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MainForm *pMainForm = MainForm::getInstance(); |
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if (!pMainForm || !channel()) |
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return false; |
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pMainForm->appendMessages(QObject::tr("channel fx sends...")); |
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bool bResult = false; |
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#if CONFIG_FXSEND |
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ChannelFxForm *pChannelFxForm = |
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new ChannelFxForm(channel(), parentWidget()); |
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if (pChannelFxForm) { |
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//pChannelForm->setup(this); |
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bResult = pChannelFxForm->exec(); |
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delete pChannelFxForm; |
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} |
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#else // CONFIG_FXSEND |
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QMessageBox::critical(this, |
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QSAMPLER_TITLE ": " + tr("Unavailable"), |
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tr("Sorry, QSampler was built without FX send support!\n\n" |
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"(Make sure you have a recent liblscp when recompiling QSampler)")); |
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#endif // CONFIG_FXSEND |
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return bResult; |
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} |
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// Channel reset slot. |
// Channel reset slot. |
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bool ChannelStrip::channelReset (void) |
bool ChannelStrip::channelReset (void) |
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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.InstrumentNamePushButton->setText( |
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else |
' ' + Channel::loadingInstrument()); |
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ui.InstrumentNameTextLabel->setText(' ' + qsamplerChannel::noInstrumentName()); |
} else { |
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} else |
m_ui.InstrumentNamePushButton->setText( |
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ui.InstrumentNameTextLabel->setText(' ' + m_pChannel->instrumentName()); |
' ' + Channel::noInstrumentName()); |
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} |
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} else { |
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m_ui.InstrumentNamePushButton->setText( |
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' ' + m_pChannel->instrumentName()); |
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} |
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bool bShowInstrumentPopup = false; |
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// Instrument list popup (for fast switching among sounds of the same file) |
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if (!m_pChannel->instrumentFile().isEmpty()) { |
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const QStringList instruments |
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= Channel::getInstrumentList(m_pChannel->instrumentFile(), true); |
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if (!instruments.isEmpty()) { |
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bShowInstrumentPopup = true; |
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if (!m_instrumentListPopupMenu) { |
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m_instrumentListPopupMenu |
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= new QMenu(m_ui.InstrumentNamePushButton); |
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m_instrumentListPopupMenu->setTitle(tr("Instruments")); |
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// for cosmetical reasons, should have at least |
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// the width of the instrument name label... |
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m_instrumentListPopupMenu->setMinimumWidth(120); |
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m_ui.InstrumentNamePushButton->setMenu(m_instrumentListPopupMenu); |
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QObject::connect(m_instrumentListPopupMenu, |
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SIGNAL(triggered(QAction*)), |
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SLOT(instrumentListPopupItemClicked(QAction *))); |
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} else { |
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m_instrumentListPopupMenu->clear(); |
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} |
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QAction *action; |
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for (int i = 0; i < instruments.size(); ++i) { |
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action = m_instrumentListPopupMenu->addAction(instruments.at(i)); |
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action->setData(i); |
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action->setCheckable(true); |
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action->setChecked(i == m_pChannel->instrumentNr()); |
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} |
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} |
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} |
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if (!bShowInstrumentPopup && m_instrumentListPopupMenu) { |
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delete m_instrumentListPopupMenu; |
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m_instrumentListPopupMenu = NULL; |
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} |
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return true; |
return true; |
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} |
} |
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void ChannelStrip::instrumentListPopupItemClicked ( QAction *action ) |
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{ |
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if (!action) return; |
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QVariant data = action->data(); |
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if (data.isValid() && !m_pChannel->instrumentFile().isEmpty()) { |
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m_pChannel->loadInstrument(m_pChannel->instrumentFile(), data.toInt()); |
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emit channelChanged(this); |
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} |
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} |
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// Do the dirty volume change. |
// Do the dirty volume change. |
458 |
bool ChannelStrip::updateChannelVolume (void) |
bool ChannelStrip::updateChannelVolume (void) |
459 |
{ |
{ |
460 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
461 |
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... |
464 |
if (iVolume < 0) |
int iVolume = ::lroundf(100.0f * m_pChannel->volume()); |
465 |
iVolume = 0; |
// And clip... |
466 |
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if (iVolume < 0) |
467 |
// Flag it here, to avoid infinite recursion. |
iVolume = 0; |
468 |
m_iDirtyChange++; |
|
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ui.VolumeSlider->setValue(iVolume); |
// Flag it here, to avoid infinite recursion. |
470 |
ui.VolumeSpinBox->setValue(iVolume); |
m_iDirtyChange++; |
471 |
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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475 |
return true; |
return true; |
476 |
} |
} |
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479 |
// Update whole channel info state. |
// Update whole channel info state. |
480 |
bool ChannelStrip::updateChannelInfo (void) |
bool ChannelStrip::updateChannelInfo (void) |
481 |
{ |
{ |
482 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
483 |
return false; |
return false; |
484 |
|
|
485 |
// Check for error limit/recycle... |
// Check for error limit/recycle... |
486 |
if (m_iErrorCount > QSAMPLER_ERROR_LIMIT) |
if (m_iErrorCount > QSAMPLER_ERROR_LIMIT) |
487 |
return true; |
return true; |
488 |
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|
489 |
// Update strip caption. |
// Update strip caption. |
490 |
QString sText = m_pChannel->channelName(); |
QString sText = m_pChannel->channelName(); |
491 |
setWindowTitle(sText); |
setWindowTitle(sText); |
492 |
ui.ChannelSetupPushButton->setText(sText); |
m_ui.ChannelSetupPushButton->setText('&' + sText); |
493 |
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|
494 |
// Check if we're up and connected. |
// Check if we're up and connected. |
495 |
MainForm* pMainForm = MainForm::getInstance(); |
MainForm* pMainForm = MainForm::getInstance(); |
496 |
if (pMainForm->client() == NULL) |
if (pMainForm->client() == NULL) |
497 |
return false; |
return false; |
498 |
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|
499 |
// Read actual channel information. |
// Read actual channel information. |
500 |
m_pChannel->updateChannelInfo(); |
m_pChannel->updateChannelInfo(); |
501 |
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|
502 |
// Engine name... |
// Engine name... |
503 |
if (m_pChannel->engineName().isEmpty()) |
if (m_pChannel->engineName().isEmpty()) { |
504 |
ui.EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName()); |
m_ui.EngineNameTextLabel->setText( |
505 |
else |
' ' + Channel::noEngineName()); |
506 |
ui.EngineNameTextLabel->setText(' ' + m_pChannel->engineName()); |
} else { |
507 |
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m_ui.EngineNameTextLabel->setText( |
508 |
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' ' + m_pChannel->engineName()); |
509 |
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} |
510 |
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|
511 |
// Instrument name... |
// Instrument name... |
512 |
updateInstrumentName(false); |
updateInstrumentName(false); |
513 |
|
|
514 |
// MIDI Port/Channel... |
// MIDI Port/Channel... |
515 |
QString sMidiPortChannel = QString::number(m_pChannel->midiPort()) + " / "; |
QString sMidiPortChannel = QString::number(m_pChannel->midiPort()) + " / "; |
516 |
if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL) |
if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL) |
517 |
sMidiPortChannel += tr("All"); |
sMidiPortChannel += tr("All"); |
518 |
else |
else |
519 |
sMidiPortChannel += QString::number(m_pChannel->midiChannel() + 1); |
sMidiPortChannel += QString::number(m_pChannel->midiChannel() + 1); |
520 |
ui.MidiPortChannelTextLabel->setText(sMidiPortChannel); |
m_ui.MidiPortChannelTextLabel->setText(sMidiPortChannel); |
521 |
|
|
522 |
// Common palette... |
// Common palette... |
523 |
QPalette pal; |
QPalette pal; |
524 |
const QColor& rgbFore = pal.color(QPalette::Foreground); |
const QColor& rgbFore = pal.color(QPalette::Foreground); |
525 |
|
|
526 |
// Instrument status... |
// Instrument status... |
527 |
int iInstrumentStatus = m_pChannel->instrumentStatus(); |
const int iInstrumentStatus = m_pChannel->instrumentStatus(); |
528 |
if (iInstrumentStatus < 0) { |
if (iInstrumentStatus < 0) { |
529 |
pal.setColor(QPalette::Foreground, Qt::red); |
pal.setColor(QPalette::Foreground, Qt::red); |
530 |
ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
531 |
ui.InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus)); |
m_ui.InstrumentStatusTextLabel->setText( |
532 |
m_iErrorCount++; |
tr("ERR%1").arg(iInstrumentStatus)); |
533 |
return false; |
m_iErrorCount++; |
534 |
} |
return false; |
535 |
// All seems normal... |
} |
536 |
|
|
537 |
|
// All seems normal... |
538 |
pal.setColor(QPalette::Foreground, |
pal.setColor(QPalette::Foreground, |
539 |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
540 |
ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
541 |
ui.InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%'); |
m_ui.InstrumentStatusTextLabel->setText( |
542 |
m_iErrorCount = 0; |
QString::number(iInstrumentStatus) + '%'); |
543 |
|
m_iErrorCount = 0; |
544 |
|
|
545 |
#ifdef CONFIG_MUTE_SOLO |
#ifdef CONFIG_MUTE_SOLO |
546 |
// Mute/Solo button state coloring... |
// Mute/Solo button state coloring... |
547 |
bool bMute = m_pChannel->channelMute(); |
bool bMute = m_pChannel->channelMute(); |
548 |
const QColor& rgbButton = pal.color(QPalette::Button); |
const QColor& rgbButton = pal.color(QPalette::Button); |
549 |
|
const QColor& rgbButtonText = pal.color(QPalette::ButtonText); |
550 |
pal.setColor(QPalette::Foreground, rgbFore); |
pal.setColor(QPalette::Foreground, rgbFore); |
551 |
pal.setColor(QPalette::Button, bMute ? Qt::yellow : rgbButton); |
pal.setColor(QPalette::Button, bMute ? Qt::yellow : rgbButton); |
552 |
ui.ChannelMutePushButton->setPalette(pal); |
pal.setColor(QPalette::ButtonText, bMute ? Qt::darkYellow : rgbButtonText); |
553 |
ui.ChannelMutePushButton->setDown(bMute); |
m_ui.ChannelMutePushButton->setPalette(pal); |
554 |
bool bSolo = m_pChannel->channelSolo(); |
m_ui.ChannelMutePushButton->setDown(bMute); |
555 |
|
bool bSolo = m_pChannel->channelSolo(); |
556 |
pal.setColor(QPalette::Button, bSolo ? Qt::cyan : rgbButton); |
pal.setColor(QPalette::Button, bSolo ? Qt::cyan : rgbButton); |
557 |
ui.ChannelSoloPushButton->setPalette(pal); |
pal.setColor(QPalette::ButtonText, bSolo ? Qt::darkCyan : rgbButtonText); |
558 |
ui.ChannelSoloPushButton->setDown(bSolo); |
m_ui.ChannelSoloPushButton->setPalette(pal); |
559 |
|
m_ui.ChannelSoloPushButton->setDown(bSolo); |
560 |
#else |
#else |
561 |
ui.ChannelMutePushButton->setEnabled(false); |
m_ui.ChannelMutePushButton->setEnabled(false); |
562 |
ui.ChannelSoloPushButton->setEnabled(false); |
m_ui.ChannelSoloPushButton->setEnabled(false); |
563 |
#endif |
#endif |
564 |
|
|
565 |
// And update the both GUI volume elements; |
// And update the both GUI volume elements; |
566 |
// return success if, and only if, intrument is fully loaded... |
// return success if, and only if, intrument is fully loaded... |
567 |
return updateChannelVolume() && (iInstrumentStatus == 100); |
return updateChannelVolume() && (iInstrumentStatus == 100); |
568 |
} |
} |
569 |
|
|
570 |
|
|
571 |
// Update whole channel usage state. |
// Update whole channel usage state. |
572 |
bool ChannelStrip::updateChannelUsage (void) |
bool ChannelStrip::updateChannelUsage (void) |
573 |
{ |
{ |
574 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
575 |
return false; |
return false; |
576 |
|
|
577 |
MainForm *pMainForm = MainForm::getInstance(); |
MainForm *pMainForm = MainForm::getInstance(); |
578 |
if (pMainForm->client() == NULL) |
if (pMainForm->client() == NULL) |
580 |
|
|
581 |
// This only makes sense on fully loaded channels... |
// This only makes sense on fully loaded channels... |
582 |
if (m_pChannel->instrumentStatus() < 100) |
if (m_pChannel->instrumentStatus() < 100) |
583 |
return false; |
return false; |
584 |
|
|
585 |
// Get current channel voice count. |
// Get current channel voice count. |
586 |
int iVoiceCount = ::lscp_get_channel_voice_count(pMainForm->client(), m_pChannel->channelID()); |
int iVoiceCount = ::lscp_get_channel_voice_count( |
587 |
// Get current stream count. |
pMainForm->client(), m_pChannel->channelID()); |
588 |
int iStreamCount = ::lscp_get_channel_stream_count(pMainForm->client(), m_pChannel->channelID()); |
// Get current stream count. |
589 |
// Get current channel buffer fill usage. |
int iStreamCount = ::lscp_get_channel_stream_count( |
590 |
// As benno has suggested this is the percentage usage |
pMainForm->client(), m_pChannel->channelID()); |
591 |
// of the least filled buffer stream... |
// Get current channel buffer fill usage. |
592 |
int iStreamUsage = ::lscp_get_channel_stream_usage(pMainForm->client(), m_pChannel->channelID());; |
// As benno has suggested this is the percentage usage |
593 |
|
// of the least filled buffer stream... |
594 |
// Update the GUI elements... |
int iStreamUsage = ::lscp_get_channel_stream_usage( |
595 |
ui.StreamUsageProgressBar->setValue(iStreamUsage); |
pMainForm->client(), m_pChannel->channelID());; |
596 |
ui.StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
|
597 |
|
// Update the GUI elements... |
598 |
|
m_ui.StreamUsageProgressBar->setValue(iStreamUsage); |
599 |
|
m_ui.StreamVoiceCountTextLabel->setText( |
600 |
|
QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
601 |
|
|
602 |
// We're clean. |
// We're clean. |
603 |
return true; |
return true; |
604 |
} |
} |
605 |
|
|
606 |
|
|
607 |
// Volume change slot. |
// Volume change slot. |
608 |
void ChannelStrip::volumeChanged ( int iVolume ) |
void ChannelStrip::volumeChanged ( int iVolume ) |
609 |
{ |
{ |
610 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
611 |
return; |
return; |
612 |
|
|
613 |
// Avoid recursion. |
// Avoid recursion. |
614 |
if (m_iDirtyChange > 0) |
if (m_iDirtyChange > 0) |
615 |
return; |
return; |
616 |
|
|
617 |
// Convert and clip. |
// Convert and clip. |
618 |
float fVolume = (float) iVolume / 100.0; |
float fVolume = (float) iVolume / 100.0f; |
619 |
if (fVolume < 0.001) |
if (fVolume < 0.001f) |
620 |
fVolume = 0.0; |
fVolume = 0.0f; |
621 |
|
|
622 |
// Update the GUI elements. |
// Update the GUI elements. |
623 |
if (m_pChannel->setVolume(fVolume)) { |
if (m_pChannel->setVolume(fVolume)) { |
624 |
updateChannelVolume(); |
updateChannelVolume(); |
625 |
emit channelChanged(this); |
emit channelChanged(this); |
626 |
} |
} |
627 |
} |
} |
628 |
|
|
629 |
|
|
630 |
// Context menu event handler. |
// Context menu event handler. |
631 |
void ChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
void ChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
632 |
{ |
{ |
633 |
if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
634 |
return; |
return; |
635 |
|
|
636 |
// 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). |
637 |
m_pChannel->contextMenuEvent(pEvent); |
m_pChannel->contextMenuEvent(pEvent); |
638 |
|
} |
639 |
|
|
640 |
|
|
641 |
|
void ChannelStrip::midiActivityLedOn (void) |
642 |
|
{ |
643 |
|
m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOn); |
644 |
|
m_pMidiActivityTimer->start(100); |
645 |
|
} |
646 |
|
|
647 |
|
|
648 |
|
void ChannelStrip::midiActivityLedOff (void) |
649 |
|
{ |
650 |
|
m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOff); |
651 |
} |
} |
652 |
|
|
653 |
|
|
657 |
m_iErrorCount = 0; |
m_iErrorCount = 0; |
658 |
} |
} |
659 |
|
|
660 |
|
|
661 |
|
// Channel strip activation/selection. |
662 |
|
void ChannelStrip::setSelected ( bool bSelected ) |
663 |
|
{ |
664 |
|
if (bSelected) { |
665 |
|
if (g_pSelectedStrip == this) |
666 |
|
return; |
667 |
|
if (g_pSelectedStrip) |
668 |
|
g_pSelectedStrip->setSelected(false); |
669 |
|
g_pSelectedStrip = this; |
670 |
|
} else { |
671 |
|
if (g_pSelectedStrip == this) |
672 |
|
g_pSelectedStrip = NULL; |
673 |
|
} |
674 |
|
|
675 |
|
QPalette pal; |
676 |
|
if (bSelected) { |
677 |
|
const QColor& color = pal.midlight().color(); |
678 |
|
pal.setColor(QPalette::Background, color.dark(150)); |
679 |
|
pal.setColor(QPalette::Foreground, color.light(150)); |
680 |
|
} |
681 |
|
QWidget::setPalette(pal); |
682 |
|
} |
683 |
|
|
684 |
|
|
685 |
|
bool ChannelStrip::isSelected (void) const |
686 |
|
{ |
687 |
|
return (this == g_pSelectedStrip); |
688 |
|
} |
689 |
|
|
690 |
|
|
691 |
} // namespace QSampler |
} // namespace QSampler |
692 |
|
|
693 |
|
|