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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) 2004-2010, rncbc aka Rui Nuno Capela. All rights reserved. |
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Copyright (C) 2007, Christian Schoenebeck |
Copyright (C) 2007, 2008 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 <QTimer> |
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#include <QUrl> |
#include <QUrl> |
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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() |
// Needed for lroundf() |
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#include <math.h> |
#include <math.h> |
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namespace QSampler { |
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#ifndef CONFIG_ROUND |
#ifndef CONFIG_ROUND |
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static inline long lroundf ( float x ) |
static inline long lroundf ( float x ) |
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{ |
{ |
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} |
} |
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#endif |
#endif |
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namespace QSampler { |
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//------------------------------------------------------------------------- |
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// 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 ) |
ChannelStrip::ChannelStrip ( QWidget* pParent, Qt::WindowFlags wflags ) |
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: QWidget(pParent, wflags) |
: QWidget(pParent, wflags) |
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{ |
{ |
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m_iDirtyChange = 0; |
m_iDirtyChange = 0; |
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m_iErrorCount = 0; |
m_iErrorCount = 0; |
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if (++g_iMidiActivityRefCount == 1) { |
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g_pMidiActivityLedOn = new QPixmap(":/icons/ledon1.png"); |
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g_pMidiActivityLedOff = new QPixmap(":/icons/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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m_pMidiActivityTimer = new QTimer(this); |
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m_pMidiActivityTimer->setSingleShot(true); |
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QObject::connect(m_pMidiActivityTimer, |
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SIGNAL(timeout()), |
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SLOT(midiActivityLedOff()) |
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); |
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// Try to restore normal window positioning. |
// Try to restore normal window positioning. |
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adjustSize(); |
adjustSize(); |
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QObject::connect(m_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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ChannelStrip::~ChannelStrip (void) |
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{ |
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setSelected(false); |
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// Destroy existing channel descriptor. |
// Destroy existing channel descriptor. |
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if (m_pChannel) |
if (m_pChannel) |
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delete m_pChannel; |
delete m_pChannel; |
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m_pChannel = NULL; |
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::isInstrumentFile(sFilename); |
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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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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) const |
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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pal.setColor(QPalette::Background, Qt::black); |
pal.setColor(QPalette::Background, Qt::black); |
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} |
} |
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m_ui.ChannelInfoFrame->setPalette(pal); |
m_ui.ChannelInfoFrame->setPalette(pal); |
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m_ui.InstrumentNameTextLabel->setPalette(pal); |
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m_ui.StreamVoiceCountTextLabel->setPalette(pal); |
m_ui.StreamVoiceCountTextLabel->setPalette(pal); |
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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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m_ui.InstrumentNameTextLabel->setText(' ' + qsamplerChannel::loadingInstrument()); |
m_ui.InstrumentNameTextLabel->setText( |
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else |
' ' + Channel::loadingInstrument()); |
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m_ui.InstrumentNameTextLabel->setText(' ' + qsamplerChannel::noInstrumentName()); |
} else { |
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} else |
m_ui.InstrumentNameTextLabel->setText( |
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m_ui.InstrumentNameTextLabel->setText(' ' + m_pChannel->instrumentName()); |
' ' + Channel::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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// 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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m_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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m_pChannel->updateChannelInfo(); |
m_pChannel->updateChannelInfo(); |
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// Engine name... |
// Engine name... |
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if (m_pChannel->engineName().isEmpty()) |
if (m_pChannel->engineName().isEmpty()) { |
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m_ui.EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName()); |
m_ui.EngineNameTextLabel->setText( |
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else |
' ' + Channel::noEngineName()); |
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m_ui.EngineNameTextLabel->setText(' ' + m_pChannel->engineName()); |
} else { |
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m_ui.EngineNameTextLabel->setText( |
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' ' + m_pChannel->engineName()); |
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} |
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// Instrument name... |
// Instrument name... |
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updateInstrumentName(false); |
updateInstrumentName(false); |
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if (iInstrumentStatus < 0) { |
if (iInstrumentStatus < 0) { |
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pal.setColor(QPalette::Foreground, Qt::red); |
pal.setColor(QPalette::Foreground, Qt::red); |
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m_ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
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m_ui.InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus)); |
m_ui.InstrumentStatusTextLabel->setText( |
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tr("ERR%1").arg(iInstrumentStatus)); |
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m_iErrorCount++; |
m_iErrorCount++; |
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return false; |
return false; |
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} |
} |
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pal.setColor(QPalette::Foreground, |
pal.setColor(QPalette::Foreground, |
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iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
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m_ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
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m_ui.InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%'); |
m_ui.InstrumentStatusTextLabel->setText( |
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QString::number(iInstrumentStatus) + '%'); |
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m_iErrorCount = 0; |
m_iErrorCount = 0; |
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#ifdef CONFIG_MUTE_SOLO |
#ifdef CONFIG_MUTE_SOLO |
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return false; |
return false; |
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// Get current channel voice count. |
// Get current channel voice count. |
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int iVoiceCount = ::lscp_get_channel_voice_count(pMainForm->client(), m_pChannel->channelID()); |
int iVoiceCount = ::lscp_get_channel_voice_count( |
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pMainForm->client(), m_pChannel->channelID()); |
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// Get current stream count. |
// Get current stream count. |
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int iStreamCount = ::lscp_get_channel_stream_count(pMainForm->client(), m_pChannel->channelID()); |
int iStreamCount = ::lscp_get_channel_stream_count( |
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pMainForm->client(), m_pChannel->channelID()); |
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// Get current channel buffer fill usage. |
// Get current channel buffer fill usage. |
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// As benno has suggested this is the percentage usage |
// As benno has suggested this is the percentage usage |
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// of the least filled buffer stream... |
// of the least filled buffer stream... |
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int iStreamUsage = ::lscp_get_channel_stream_usage(pMainForm->client(), m_pChannel->channelID());; |
int iStreamUsage = ::lscp_get_channel_stream_usage( |
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pMainForm->client(), m_pChannel->channelID());; |
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// Update the GUI elements... |
// Update the GUI elements... |
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m_ui.StreamUsageProgressBar->setValue(iStreamUsage); |
m_ui.StreamUsageProgressBar->setValue(iStreamUsage); |
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m_ui.StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
m_ui.StreamVoiceCountTextLabel->setText( |
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QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
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// We're clean. |
// We're clean. |
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return true; |
return true; |
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} |
} |
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void ChannelStrip::midiActivityLedOn (void) |
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{ |
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m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOn); |
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m_pMidiActivityTimer->start(100); |
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} |
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void ChannelStrip::midiActivityLedOff (void) |
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{ |
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m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOff); |
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} |
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// Error count hackish accessors. |
// Error count hackish accessors. |
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void ChannelStrip::resetErrorCount (void) |
void ChannelStrip::resetErrorCount (void) |
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{ |
{ |
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m_iErrorCount = 0; |
m_iErrorCount = 0; |
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} |
} |
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// Channel strip activation/selection. |
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void ChannelStrip::setSelected ( bool bSelected ) |
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{ |
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if (bSelected) { |
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if (g_pSelectedStrip == this) |
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return; |
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if (g_pSelectedStrip) |
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g_pSelectedStrip->setSelected(false); |
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g_pSelectedStrip = this; |
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} else { |
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if (g_pSelectedStrip == this) |
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g_pSelectedStrip = NULL; |
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} |
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QPalette pal; |
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if (bSelected) { |
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const QColor& color = pal.midlight().color(); |
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pal.setColor(QPalette::Background, color.dark(150)); |
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pal.setColor(QPalette::Foreground, color.light(150)); |
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} |
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QWidget::setPalette(pal); |
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} |
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bool ChannelStrip::isSelected (void) const |
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{ |
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return (this == g_pSelectedStrip); |
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} |
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} // namespace QSampler |
} // namespace QSampler |
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