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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) 2004-2016, 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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#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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namespace QSampler { |
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. |
// Channel strip activation/selection. |
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ChannelStrip *ChannelStrip::g_pSelectedStrip = NULL; |
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_pChannel = NULL; |
m_pChannel = NULL; |
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m_iDirtyChange = 0; |
m_iDirtyChange = 0; |
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m_iErrorCount = 0; |
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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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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|
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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.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(m_ui.VolumeSlider, |
QObject::connect(m_ui.ChannelVolumeSlider, |
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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(m_ui.VolumeSpinBox, |
QObject::connect(m_ui.ChannelVolumeSpinBox, |
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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(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.ChannelFxPushButton, |
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SIGNAL(clicked()), |
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SLOT(channelFxEdit())); |
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setSelected(false); |
setSelected(false); |
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} |
} |
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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::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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// 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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return m_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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m_ui.EngineNameTextLabel->setFont(font); |
m_ui.EngineNameTextLabel->setFont(font); |
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m_ui.MidiPortChannelTextLabel->setFont(font); |
m_ui.MidiPortChannelTextLabel->setFont(font); |
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m_ui.InstrumentNameTextLabel->setFont(font); |
m_ui.InstrumentNamePushButton->setFont(font); |
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m_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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pal.setColor(QPalette::ButtonText, Qt::yellow); |
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m_ui.EngineNameTextLabel->setPalette(pal); |
m_ui.EngineNameTextLabel->setPalette(pal); |
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m_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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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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m_ui.ChannelInfoFrame->setPalette(pal); |
m_ui.ChannelInfoFrame->setPalette(pal); |
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m_ui.InstrumentNamePushButton->setPalette(pal); |
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m_ui.StreamVoiceCountTextLabel->setPalette(pal); |
m_ui.StreamVoiceCountTextLabel->setPalette(pal); |
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} |
} |
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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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m_ui.VolumeSlider->setRange(0, iMaxVolume); |
m_ui.ChannelVolumeSlider->setRange(0, iMaxVolume); |
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m_ui.VolumeSpinBox->setRange(0, iMaxVolume); |
m_ui.ChannelVolumeSpinBox->setRange(0, iMaxVolume); |
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m_iDirtyChange--; |
m_iDirtyChange--; |
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} |
} |
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return false; |
return false; |
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// Invoke the channel setup dialog. |
// Invoke the channel setup dialog. |
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bool bResult = m_pChannel->channelSetup(this); |
const bool bResult = m_pChannel->channelSetup(this); |
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// Notify that this channel has changed. |
// Notify that this channel has changed. |
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if (bResult) |
if (bResult) |
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emit channelChanged(this); |
emit channelChanged(this); |
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return false; |
return false; |
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// Invoke the channel mute method. |
// Invoke the channel mute method. |
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bool bResult = m_pChannel->setChannelMute(bMute); |
const bool bResult = m_pChannel->setChannelMute(bMute); |
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// Notify that this channel has changed. |
// Notify that this channel has changed. |
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if (bResult) |
if (bResult) |
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emit channelChanged(this); |
emit channelChanged(this); |
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return false; |
return false; |
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// Invoke the channel solo method. |
// Invoke the channel solo method. |
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bool bResult = m_pChannel->setChannelSolo(bSolo); |
const bool bResult = m_pChannel->setChannelSolo(bSolo); |
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// Notify that this channel has changed. |
// Notify that this channel has changed. |
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if (bResult) |
if (bResult) |
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emit channelChanged(this); |
emit channelChanged(this); |
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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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return false; |
return false; |
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// Invoke the channel reset method. |
// Invoke the channel reset method. |
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bool bResult = m_pChannel->channelReset(); |
const bool bResult = m_pChannel->channelReset(); |
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// Notify that this channel has changed. |
// Notify that this channel has changed. |
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if (bResult) |
if (bResult) |
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emit channelChanged(this); |
emit channelChanged(this); |
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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( |
m_ui.InstrumentNamePushButton->setText( |
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' ' + qsamplerChannel::loadingInstrument()); |
' ' + Channel::loadingInstrument()); |
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} else { |
} else { |
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m_ui.InstrumentNameTextLabel->setText( |
m_ui.InstrumentNamePushButton->setText( |
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' ' + qsamplerChannel::noInstrumentName()); |
' ' + Channel::noInstrumentName()); |
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} |
} |
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} else { |
} else { |
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m_ui.InstrumentNameTextLabel->setText( |
m_ui.InstrumentNamePushButton->setText( |
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' ' + m_pChannel->instrumentName()); |
' ' + 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. |
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bool ChannelStrip::updateChannelVolume (void) |
bool ChannelStrip::updateChannelVolume (void) |
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{ |
{ |
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|
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// Flag it here, to avoid infinite recursion. |
// Flag it here, to avoid infinite recursion. |
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m_iDirtyChange++; |
m_iDirtyChange++; |
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m_ui.VolumeSlider->setValue(iVolume); |
m_ui.ChannelVolumeSlider->setValue(iVolume); |
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m_ui.VolumeSpinBox->setValue(iVolume); |
m_ui.ChannelVolumeSpinBox->setValue(iVolume); |
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m_iDirtyChange--; |
m_iDirtyChange--; |
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|
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return true; |
return true; |
491 |
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(); |
const 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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|
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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(); |
500 |
if (pMainForm->client() == NULL) |
if (pMainForm->client() == NULL) |
501 |
return false; |
return false; |
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|
|
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// Engine name... |
// Engine name... |
507 |
if (m_pChannel->engineName().isEmpty()) { |
if (m_pChannel->engineName().isEmpty()) { |
508 |
m_ui.EngineNameTextLabel->setText( |
m_ui.EngineNameTextLabel->setText( |
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' ' + qsamplerChannel::noEngineName()); |
' ' + Channel::noEngineName()); |
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} else { |
} else { |
511 |
m_ui.EngineNameTextLabel->setText( |
m_ui.EngineNameTextLabel->setText( |
512 |
' ' + m_pChannel->engineName()); |
' ' + m_pChannel->engineName()); |
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const QColor& rgbFore = pal.color(QPalette::Foreground); |
const QColor& rgbFore = pal.color(QPalette::Foreground); |
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|
530 |
// Instrument status... |
// Instrument status... |
531 |
int iInstrumentStatus = m_pChannel->instrumentStatus(); |
const int iInstrumentStatus = m_pChannel->instrumentStatus(); |
532 |
if (iInstrumentStatus < 0) { |
if (iInstrumentStatus < 0) { |
533 |
pal.setColor(QPalette::Foreground, Qt::red); |
pal.setColor(QPalette::Foreground, Qt::red); |
534 |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
m_ui.InstrumentStatusTextLabel->setPalette(pal); |
537 |
m_iErrorCount++; |
m_iErrorCount++; |
538 |
return false; |
return false; |
539 |
} |
} |
540 |
|
|
541 |
// All seems normal... |
// All seems normal... |
542 |
pal.setColor(QPalette::Foreground, |
pal.setColor(QPalette::Foreground, |
543 |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
548 |
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|
549 |
#ifdef CONFIG_MUTE_SOLO |
#ifdef CONFIG_MUTE_SOLO |
550 |
// Mute/Solo button state coloring... |
// Mute/Solo button state coloring... |
551 |
bool bMute = m_pChannel->channelMute(); |
const bool bMute = m_pChannel->channelMute(); |
552 |
const QColor& rgbButton = pal.color(QPalette::Button); |
const QColor& rgbButton = pal.color(QPalette::Button); |
553 |
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const QColor& rgbButtonText = pal.color(QPalette::ButtonText); |
554 |
pal.setColor(QPalette::Foreground, rgbFore); |
pal.setColor(QPalette::Foreground, rgbFore); |
555 |
pal.setColor(QPalette::Button, bMute ? Qt::yellow : rgbButton); |
pal.setColor(QPalette::Button, bMute ? Qt::yellow : rgbButton); |
556 |
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pal.setColor(QPalette::ButtonText, bMute ? Qt::darkYellow : rgbButtonText); |
557 |
m_ui.ChannelMutePushButton->setPalette(pal); |
m_ui.ChannelMutePushButton->setPalette(pal); |
558 |
m_ui.ChannelMutePushButton->setDown(bMute); |
m_ui.ChannelMutePushButton->setDown(bMute); |
559 |
bool bSolo = m_pChannel->channelSolo(); |
const bool bSolo = m_pChannel->channelSolo(); |
560 |
pal.setColor(QPalette::Button, bSolo ? Qt::cyan : rgbButton); |
pal.setColor(QPalette::Button, bSolo ? Qt::cyan : rgbButton); |
561 |
|
pal.setColor(QPalette::ButtonText, bSolo ? Qt::darkCyan : rgbButtonText); |
562 |
m_ui.ChannelSoloPushButton->setPalette(pal); |
m_ui.ChannelSoloPushButton->setPalette(pal); |
563 |
m_ui.ChannelSoloPushButton->setDown(bSolo); |
m_ui.ChannelSoloPushButton->setDown(bSolo); |
564 |
#else |
#else |
587 |
return false; |
return false; |
588 |
|
|
589 |
// Get current channel voice count. |
// Get current channel voice count. |
590 |
int iVoiceCount = ::lscp_get_channel_voice_count( |
const int iVoiceCount = ::lscp_get_channel_voice_count( |
591 |
pMainForm->client(), m_pChannel->channelID()); |
pMainForm->client(), m_pChannel->channelID()); |
592 |
// Get current stream count. |
// Get current stream count. |
593 |
int iStreamCount = ::lscp_get_channel_stream_count( |
const int iStreamCount = ::lscp_get_channel_stream_count( |
594 |
pMainForm->client(), m_pChannel->channelID()); |
pMainForm->client(), m_pChannel->channelID()); |
595 |
// Get current channel buffer fill usage. |
// Get current channel buffer fill usage. |
596 |
// As benno has suggested this is the percentage usage |
// As benno has suggested this is the percentage usage |
597 |
// of the least filled buffer stream... |
// of the least filled buffer stream... |
598 |
int iStreamUsage = ::lscp_get_channel_stream_usage( |
const int iStreamUsage = ::lscp_get_channel_stream_usage( |
599 |
pMainForm->client(), m_pChannel->channelID());; |
pMainForm->client(), m_pChannel->channelID());; |
600 |
|
|
601 |
// Update the GUI elements... |
// Update the GUI elements... |
642 |
} |
} |
643 |
|
|
644 |
|
|
645 |
|
void ChannelStrip::midiActivityLedOn (void) |
646 |
|
{ |
647 |
|
m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOn); |
648 |
|
m_pMidiActivityTimer->start(100); |
649 |
|
} |
650 |
|
|
651 |
|
|
652 |
|
void ChannelStrip::midiActivityLedOff (void) |
653 |
|
{ |
654 |
|
m_ui.MidiActivityLabel->setPixmap(*g_pMidiActivityLedOff); |
655 |
|
} |
656 |
|
|
657 |
|
|
658 |
// Error count hackish accessors. |
// Error count hackish accessors. |
659 |
void ChannelStrip::resetErrorCount (void) |
void ChannelStrip::resetErrorCount (void) |
660 |
{ |
{ |