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/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
/*
Rosegarden
A MIDI and audio sequencer and musical notation editor.
This program is Copyright 2000-2008
Guillaume Laurent <[email protected]>,
Chris Cannam <[email protected]>,
Richard Bown <[email protected]>
The moral rights of Guillaume Laurent, Chris Cannam, and Richard
Bown to claim authorship of this work have been asserted.
Other copyrights also apply to some parts of this work. Please
see the AUTHORS file and individual file headers for details.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of the
License, or (at your option) any later version. See the file
COPYING included with this distribution for more information.
*/
#include "LatencyConfigurationPage.h"
#include <tqlayout.h>
#include "document/ConfigGroups.h"
#include "ConfigurationPage.h"
#include "document/RosegardenGUIDoc.h"
#include "TabbedConfigurationPage.h"
#include <kconfig.h>
#include <tqframe.h>
#include <tqlabel.h>
#include <tqpushbutton.h>
#include <tqslider.h>
#include <tqstring.h>
#include <tqtabwidget.h>
#include <tqwidget.h>
namespace Rosegarden
{
LatencyConfigurationPage::LatencyConfigurationPage(RosegardenGUIDoc *doc,
KConfig *cfg,
TQWidget *parent,
const char *name)
: TabbedConfigurationPage(doc, cfg, parent, name)
{
// Configuration &config = doc->getConfiguration();
m_cfg->setGroup(LatencyOptionsConfigGroup);
#ifdef NOT_DEFINED
#ifdef HAVE_LIBJACK
frame = new TQFrame(m_tabWidget, i18n("JACK latency"));
tqlayout = new TQGridLayout(frame, 6, 5, 10, 10);
tqlayout->addMultiCellWidget(new TQLabel(i18n("Use the \"Fetch JACK latencies\" button to discover the latency values set at\nthe sequencer. It's recommended that you use the returned values but it's also\npossible to override them manually using the sliders. Note that if you change\nyour JACK server parameters you should always fetch the latency values again.\nThe latency values will be stored by Rosegarden for use next time."), frame),
0, 0,
0, 3);
tqlayout->addWidget(new TQLabel(i18n("JACK playback latency (in ms)"), frame), 1, 0);
tqlayout->addWidget(new TQLabel(i18n("JACK record latency (in ms)"), frame), 3, 0);
m_fetchLatencyValues = new TQPushButton(i18n("Fetch JACK latencies"),
frame);
tqlayout->addWidget(m_fetchLatencyValues, 1, 3);
connect(m_fetchLatencyValues, TQT_SIGNAL(released()),
TQT_SLOT(slotFetchLatencyValues()));
int jackPlaybackValue = (m_cfg->readLongNumEntry(
"jackplaybacklatencyusec", 0) / 1000) +
(m_cfg->readLongNumEntry(
"jackplaybacklatencysec", 0) * 1000);
m_jackPlayback = new TQSlider(Horizontal, frame);
m_jackPlayback->setTickmarks(TQSlider::Below);
tqlayout->addMultiCellWidget(m_jackPlayback, 3, 3, 2, 3);
TQLabel *jackPlaybackLabel = new TQLabel(TQString("%1").tqarg(jackPlaybackValue),
frame);
tqlayout->addWidget(jackPlaybackLabel, 2, 2, TQt::AlignHCenter);
connect(m_jackPlayback, TQT_SIGNAL(valueChanged(int)),
jackPlaybackLabel, TQT_SLOT(setNum(int)));
m_jackPlayback->setMinValue(0);
tqlayout->addWidget(new TQLabel("0", frame), 3, 1, TQt::AlignRight);
m_jackPlayback->setMaxValue(500);
tqlayout->addWidget(new TQLabel("500", frame), 3, 4, TQt::AlignLeft);
m_jackPlayback->setValue(jackPlaybackValue);
int jackRecordValue = (m_cfg->readLongNumEntry(
"jackrecordlatencyusec", 0) / 1000) +
(m_cfg->readLongNumEntry(
"jackrecordlatencysec", 0) * 1000);
m_jackRecord = new TQSlider(Horizontal, frame);
m_jackRecord->setTickmarks(TQSlider::Below);
tqlayout->addMultiCellWidget(m_jackRecord, 5, 5, 2, 3);
TQLabel *jackRecordLabel = new TQLabel(TQString("%1").tqarg(jackRecordValue),
frame);
tqlayout->addWidget(jackRecordLabel, 4, 2, TQt::AlignHCenter);
connect(m_jackRecord, TQT_SIGNAL(valueChanged(int)),
jackRecordLabel, TQT_SLOT(setNum(int)));
m_jackRecord->setMinValue(0);
tqlayout->addWidget(new TQLabel("0", frame), 5, 1, TQt::AlignRight);
m_jackRecord->setMaxValue(500);
m_jackRecord->setValue(jackRecordValue);
tqlayout->addWidget(new TQLabel("500", frame), 5, 4, TQt::AlignLeft);
addTab(frame, i18n("JACK Latency"));
#endif // HAVE_LIBJACK
#endif // NOT_DEFINED
}
void LatencyConfigurationPage::apply()
{
m_cfg->setGroup(LatencyOptionsConfigGroup);
#ifdef HAVE_LIBJACK
int jackPlayback = getJACKPlaybackValue();
m_cfg->writeEntry("jackplaybacklatencysec", jackPlayback / 1000);
m_cfg->writeEntry("jackplaybacklatencyusec", jackPlayback * 1000);
int jackRecord = getJACKRecordValue();
m_cfg->writeEntry("jackrecordlatencysec", jackRecord / 1000);
m_cfg->writeEntry("jackrecordlatencyusec", jackRecord * 1000);
#endif // HAVE_LIBJACK
}
void LatencyConfigurationPage::slotFetchLatencyValues()
{
int jackPlaybackValue = m_doc->getAudioPlayLatency().msec() +
m_doc->getAudioPlayLatency().sec * 1000;
m_jackPlayback->setValue(jackPlaybackValue);
int jackRecordValue = m_doc->getAudioRecordLatency().msec() +
m_doc->getAudioRecordLatency().sec * 1000;
m_jackRecord->setValue(jackRecordValue);
}
}
#include "LatencyConfigurationPage.moc"
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