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// ui.h extension file, included from the uic-generated form implementation. |
// ui.h extension file, included from the uic-generated form implementation. |
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/**************************************************************************** |
/**************************************************************************** |
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Copyright (C) 2004, rncbc aka Rui Nuno Capela. All rights reserved. |
Copyright (C) 2004-2005, rncbc aka Rui Nuno Capela. All rights reserved. |
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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 <qvalidator.h> |
#include <qvalidator.h> |
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#include <qmessagebox.h> |
#include <qmessagebox.h> |
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#include <qdragobject.h> |
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#include <qfileinfo.h> |
#include <qfileinfo.h> |
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#include <qtooltip.h> |
#include <qtooltip.h> |
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#include <qpopupmenu.h> |
#include <qpopupmenu.h> |
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#include "config.h" |
#include "config.h" |
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// Channel status/usage usage limit control. |
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#define QSAMPLER_ERROR_LIMIT 3 |
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// Kind of constructor. |
// Kind of constructor. |
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void qsamplerChannelStrip::init (void) |
void qsamplerChannelStrip::init (void) |
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{ |
{ |
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// Initialize locals. |
// Initialize locals. |
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m_pMainForm = NULL; |
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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; |
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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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} |
} |
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// Drag'n'drop file handler. |
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bool qsamplerChannelStrip::decodeDragFile ( const QMimeSource *pEvent, QString& sInstrumentFile ) |
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{ |
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if (m_pChannel == NULL) |
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return false; |
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if (QTextDrag::canDecode(pEvent)) { |
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QString sText; |
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if (QTextDrag::decode(pEvent, sText)) { |
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QStringList files = QStringList::split('\n', sText); |
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for (QStringList::Iterator iter = files.begin(); iter != files.end(); iter++) { |
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*iter = (*iter).stripWhiteSpace().replace(QRegExp("^file:"), QString::null); |
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if (qsamplerChannel::isInstrumentFile(*iter)) { |
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sInstrumentFile = *iter; |
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return true; |
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} |
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} |
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} |
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} |
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// Fail. |
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return false; |
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} |
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// Window drag-n-drop event handlers. |
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void qsamplerChannelStrip::dragEnterEvent ( QDragEnterEvent* pDragEnterEvent ) |
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{ |
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QString sInstrumentFile; |
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pDragEnterEvent->accept(decodeDragFile(pDragEnterEvent, sInstrumentFile)); |
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} |
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void qsamplerChannelStrip::dropEvent ( QDropEvent* pDropEvent ) |
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{ |
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QString sInstrumentFile; |
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if (decodeDragFile(pDropEvent, sInstrumentFile)) { |
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// Go and set the dropped instrument filename... |
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m_pChannel->setInstrument(sInstrumentFile, 0); |
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// Open up the channel dialog. |
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channelSetup(); |
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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 qsamplerChannelStrip::setup ( qsamplerMainForm *pMainForm, int iChannelID ) |
void qsamplerChannelStrip::setup ( qsamplerChannel *pChannel ) |
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{ |
{ |
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// Set main form reference. |
// Destroy any previous channel descriptor; |
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m_pMainForm = pMainForm; |
// (remember that once setup we own it!) |
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// Destroy any previous 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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// Create a new one... |
// Set the new one... |
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m_pChannel = new qsamplerChannel(pMainForm); |
m_pChannel = pChannel; |
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// And set appropriate settings. |
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if (m_pChannel) { |
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m_pChannel->setChannelID(iChannelID); |
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m_iDirtyChange = 0; |
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} |
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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... |
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if (m_pChannel) |
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setAcceptDrops(true); |
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} |
} |
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// Channel secriptor accessor. |
// Channel secriptor accessor. |
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} |
} |
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// Channel setup dialog slot. |
// Maximum volume slider accessors. |
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void qsamplerChannelStrip::channelSetup (void) |
void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume ) |
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{ |
{ |
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showChannelSetup(false); |
m_iDirtyChange++; |
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VolumeSlider->setRange(0, iMaxVolume); |
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VolumeSpinBox->setRange(0, iMaxVolume); |
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m_iDirtyChange--; |
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} |
} |
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// Channel setup dialog. |
// Channel setup dialog slot. |
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void qsamplerChannelStrip::showChannelSetup ( bool bNew ) |
bool qsamplerChannelStrip::channelSetup (void) |
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{ |
{ |
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qsamplerChannelForm *pChannelForm = new qsamplerChannelForm(this); |
if (m_pChannel == NULL) |
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if (pChannelForm) { |
return false; |
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pChannelForm->setup(m_pChannel, bNew); |
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if (pChannelForm->exec()) { |
// Invoke the channel setup dialog. |
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updateChannelInfo(); |
bool bResult = m_pChannel->channelSetup(this); |
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emit channelChanged(this); |
// Notify that thie channel has changed. |
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} |
if (bResult) |
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delete pChannelForm; |
emit channelChanged(this); |
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} |
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return bResult; |
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} |
} |
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// Update whole channel info state. |
// Channel reset slot. |
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void qsamplerChannelStrip::updateChannelInfo (void) |
bool qsamplerChannelStrip::channelReset (void) |
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{ |
{ |
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if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
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return; |
return false; |
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// Update strip caption. |
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QString sText = tr("Channel %1").arg(m_pChannel->channelID()); |
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setCaption(sText); |
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ChannelSetupPushButton->setText(sText); |
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// Check if we're up and connected. |
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if (m_pChannel->client() == NULL) |
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return; |
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// Read actual channel information. |
// Invoke the channel reset method. |
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m_pChannel->updateChannelInfo(); |
bool bResult = m_pChannel->channelReset(); |
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// Notify that thie channel has changed. |
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if (bResult) |
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emit channelChanged(this); |
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// Set some proper display values. |
return bResult; |
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const QString sIndent = " "; |
} |
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// Engine name... |
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if (m_pChannel->engineName().isEmpty()) |
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EngineNameTextLabel->setText(sIndent + tr("(No engine)")); |
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else |
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EngineNameTextLabel->setText(sIndent + m_pChannel->engineName()); |
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// Instrument name... |
// Update the channel instrument name. |
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if (m_pChannel->instrumentFile().isEmpty()) |
bool qsamplerChannelStrip::updateInstrumentName ( bool bForce ) |
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InstrumentNameTextLabel->setText(sIndent + tr("(No instrument)")); |
{ |
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else |
if (m_pChannel == NULL) |
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InstrumentNameTextLabel->setText(sIndent + QString("%1 [%2]") |
return false; |
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.arg(QFileInfo(m_pChannel->instrumentFile()).fileName()).arg(m_pChannel->instrumentNr())); |
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// Instrument status... |
// Do we refersh the actual name? |
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int iInstrumentStatus = m_pChannel->instrumentStatus(); |
if (bForce) |
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if (iInstrumentStatus < 0) { |
m_pChannel->updateInstrumentName(); |
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InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red); |
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InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus)); |
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} else { |
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InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
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InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + "%"); |
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} |
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// MIDI Port/Channel... |
// Instrument name... |
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if (m_pChannel->midiChannel() > 0) |
if (m_pChannel->instrumentName().isEmpty()) |
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MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel())); |
InstrumentNameTextLabel->setText(' ' + qsamplerChannel::noInstrumentName()); |
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else |
else |
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MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort())); |
InstrumentNameTextLabel->setText(' ' + m_pChannel->instrumentName()); |
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// And update the both GUI volume elements. |
return true; |
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updateChannelVolume(); |
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} |
} |
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// Do the dirty volume change. |
// Do the dirty volume change. |
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void qsamplerChannelStrip::updateChannelVolume (void) |
bool qsamplerChannelStrip::updateChannelVolume (void) |
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{ |
{ |
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if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
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return; |
return false; |
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// Convert... |
// Convert... |
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#ifdef CONFIG_ROUND |
#ifdef CONFIG_ROUND |
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VolumeSlider->setValue(iVolume); |
VolumeSlider->setValue(iVolume); |
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VolumeSpinBox->setValue(iVolume); |
VolumeSpinBox->setValue(iVolume); |
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m_iDirtyChange--; |
m_iDirtyChange--; |
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return true; |
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} |
} |
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// Update whole channel usage state. |
// Update whole channel info state. |
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void qsamplerChannelStrip::updateChannelUsage (void) |
bool qsamplerChannelStrip::updateChannelInfo (void) |
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{ |
{ |
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if (m_pChannel == NULL) |
if (m_pChannel == NULL) |
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return; |
return false; |
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// Check for error limit/recycle... |
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if (m_iErrorCount > QSAMPLER_ERROR_LIMIT) |
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return true; |
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// Update strip caption. |
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QString sText = m_pChannel->channelName(); |
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setCaption(sText); |
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ChannelSetupPushButton->setText(sText); |
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// Check if we're up and connected. |
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if (m_pChannel->client() == NULL) |
if (m_pChannel->client() == NULL) |
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return; |
return false; |
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// Conditionally update whole channel status info. |
// Read actual channel information. |
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if (m_pChannel->instrumentStatus() >= 0 && m_pChannel->instrumentStatus() < 100) { |
m_pChannel->updateChannelInfo(); |
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updateChannelInfo(); |
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// Once we get a complete instrument load, try a implied reset channel.... |
// Engine name... |
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if (m_pChannel->instrumentStatus() == 100) |
if (m_pChannel->engineName().isEmpty()) |
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m_pChannel->resetChannel(); |
EngineNameTextLabel->setText(' ' + qsamplerChannel::noEngineName()); |
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else |
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EngineNameTextLabel->setText(' ' + m_pChannel->engineName()); |
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// Instrument name... |
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updateInstrumentName(false); |
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// MIDI Port/Channel... |
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if (m_pChannel->midiChannel() == LSCP_MIDI_CHANNEL_ALL) |
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MidiPortChannelTextLabel->setText(QString("%1 / *").arg(m_pChannel->midiPort())); |
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else |
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MidiPortChannelTextLabel->setText(QString("%1 / %2").arg(m_pChannel->midiPort()).arg(m_pChannel->midiChannel() + 1)); |
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// Instrument status... |
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int iInstrumentStatus = m_pChannel->instrumentStatus(); |
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if (iInstrumentStatus < 0) { |
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InstrumentStatusTextLabel->setPaletteForegroundColor(Qt::red); |
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InstrumentStatusTextLabel->setText(tr("ERR%1").arg(iInstrumentStatus)); |
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m_iErrorCount++; |
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return false; |
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} |
} |
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// Leave, if we still have an erroneus or incomplete instrument load. |
// All seems normal... |
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if (m_pChannel->instrumentStatus() < 100) |
InstrumentStatusTextLabel->setPaletteForegroundColor(iInstrumentStatus < 100 ? Qt::yellow : Qt::green); |
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return; |
InstrumentStatusTextLabel->setText(QString::number(iInstrumentStatus) + '%'); |
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m_iErrorCount = 0; |
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// And update the both GUI volume elements; |
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// return success if, and only if, intrument is fully loaded... |
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return updateChannelVolume() && (iInstrumentStatus == 100); |
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} |
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// Update whole channel usage state. |
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bool qsamplerChannelStrip::updateChannelUsage (void) |
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{ |
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if (m_pChannel == NULL) |
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return false; |
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if (m_pChannel->client() == NULL) |
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return false; |
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// This only makes sense on fully loaded channels... |
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if (m_pChannel->instrumentStatus() < 100) |
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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(m_pChannel->client(), m_pChannel->channelID()); |
int iVoiceCount = ::lscp_get_channel_voice_count(m_pChannel->client(), m_pChannel->channelID()); |
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// Get current stream count. |
// Get current stream count. |
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// Update the GUI elements... |
// Update the GUI elements... |
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StreamUsageProgressBar->setProgress(iStreamUsage); |
StreamUsageProgressBar->setProgress(iStreamUsage); |
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StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
StreamVoiceCountTextLabel->setText(QString("%1 / %2").arg(iStreamCount).arg(iVoiceCount)); |
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// We're clean. |
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return true; |
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} |
} |
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// Context menu event handler. |
// Context menu event handler. |
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void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
void qsamplerChannelStrip::contextMenuEvent( QContextMenuEvent *pEvent ) |
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{ |
{ |
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if (m_pMainForm == NULL) |
if (m_pChannel == NULL) |
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return; |
return; |
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// We'll just show up the main form's edit menu. |
// We'll just show up the main form's edit menu (thru qsamplerChannel). |
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m_pMainForm->contextMenuEvent(pEvent); |
m_pChannel->contextMenuEvent(pEvent); |
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} |
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// Maximum volume slider accessors. |
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void qsamplerChannelStrip::setMaxVolume ( int iMaxVolume ) |
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{ |
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m_iDirtyChange++; |
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VolumeSlider->setRange(0, iMaxVolume); |
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VolumeSpinBox->setRange(0, iMaxVolume); |
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m_iDirtyChange--; |
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} |
} |
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