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185 lines
5.6 KiB
185 lines
5.6 KiB
/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*- vi:set ts=8 sts=4 sw=4: */
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/*
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Rosegarden
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A MIDI and audio sequencer and musical notation editor.
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This program is Copyright 2000-2008
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Guillaume Laurent <glaurent@telegraph-road.org>,
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Chris Cannam <cannam@all-day-breakfast.com>,
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Richard Bown <richard.bown@ferventsoftware.com>
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The moral rights of Guillaume Laurent, Chris Cannam, and Richard
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Bown to claim authorship of this work have been asserted.
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Other copyrights also apply to some parts of this work. Please
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see the AUTHORS file and individual file headers for details.
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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 as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version. See the file
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COPYING included with this distribution for more information.
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*/
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#include "AudioPropertiesPage.h"
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#include "misc/Strings.h"
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#include "ConfigurationPage.h"
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#include "document/RosegardenGUIDoc.h"
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#include "gui/application/RosegardenApplication.h"
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#include "gui/studio/AudioPluginManager.h"
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#include "sound/AudioFileManager.h"
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#include "TabbedConfigurationPage.h"
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#include <kconfig.h>
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#include <kdiskfreesp.h>
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#include <kfiledialog.h>
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#include <kfile.h>
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#include <tqcstring.h>
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#include <tqdatastream.h>
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#include <tqdialog.h>
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#include <tqframe.h>
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#include <tqlabel.h>
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#include <tqpushbutton.h>
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#include <tqstring.h>
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#include <tqtabwidget.h>
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#include <tqwidget.h>
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#include <tqlayout.h>
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namespace Rosegarden
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{
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AudioPropertiesPage::AudioPropertiesPage(RosegardenGUIDoc *doc,
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TQWidget *parent,
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const char *name)
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: TabbedConfigurationPage(doc, parent, name)
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{
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AudioFileManager &afm = doc->getAudioFileManager();
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TQFrame *frame = new TQFrame(m_tabWidget);
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TQGridLayout *tqlayout = new TQGridLayout(frame, 4, 3, 10, 5);
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tqlayout->addWidget(new TQLabel(i18n("Audio file path:"), frame), 0, 0);
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m_path = new TQLabel(TQString(afm.getAudioPath().c_str()), frame);
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tqlayout->addWidget(m_path, 0, 1);
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m_changePathButton =
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new TQPushButton(i18n("Choose..."), frame);
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tqlayout->addWidget(m_changePathButton, 0, 2);
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m_diskSpace = new TQLabel(frame);
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tqlayout->addWidget(new TQLabel(i18n("Disk space remaining:"), frame), 1, 0);
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tqlayout->addWidget(m_diskSpace, 1, 1);
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m_minutesAtStereo = new TQLabel(frame);
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tqlayout->addWidget(
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new TQLabel(i18n("Equivalent minutes of 16-bit stereo:"),
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frame), 2, 0);
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tqlayout->addWidget(m_minutesAtStereo, 2, 1, AlignCenter);
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tqlayout->setRowStretch(3, 2);
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calculateStats();
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connect(m_changePathButton, TQT_SIGNAL(released()),
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TQT_SLOT(slotFileDialog()));
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addTab(frame, i18n("Modify audio path"));
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}
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void
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AudioPropertiesPage::calculateStats()
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{
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// This stolen from KDE libs kfile/kpropertiesdialog.cpp
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//
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TQString mountPoint = KIO::findPathMountPoint(m_path->text());
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KDiskFreeSp * job = new KDiskFreeSp;
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connect(job, TQT_SIGNAL(foundMountPoint(const TQString&, unsigned long, unsigned long,
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unsigned long)),
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this, TQT_SLOT(slotFoundMountPoint(const TQString&, unsigned long, unsigned long,
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unsigned long)));
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job->readDF(mountPoint);
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}
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void
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AudioPropertiesPage::slotFoundMountPoint(const TQString&,
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unsigned long kBSize,
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unsigned long /*kBUsed*/,
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unsigned long kBAvail )
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{
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m_diskSpace->setText(i18n("%1 out of %2 (%3% used)")
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.tqarg(KIO::convertSizeFromKB(kBAvail))
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.tqarg(KIO::convertSizeFromKB(kBSize))
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.tqarg( 100 - (int)(100.0 * kBAvail / kBSize) ));
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AudioPluginManager *apm = m_doc->getPluginManager();
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int sampleRate = 48000;
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TQCString replyType;
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TQByteArray replyData;
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if (rgapp->sequencerCall("getSampleRate()", replyType, replyData)) {
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TQDataStream streamIn(replyData, IO_ReadOnly);
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unsigned int result;
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streamIn >> result;
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sampleRate = result;
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}
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// Work out total bytes and divide this by the sample rate times the
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// number of channels (2) times the number of bytes per sample (2)
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// times 60 seconds.
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//
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float stereoMins = ( float(kBAvail) * 1024.0 ) /
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( float(sampleRate) * 2.0 * 2.0 * 60.0 );
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TQString minsStr;
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minsStr.sprintf("%8.1f", stereoMins);
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m_minutesAtStereo->
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setText(TQString("%1 %2 %3Hz").tqarg(minsStr)
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.tqarg(i18n("minutes at"))
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.tqarg(sampleRate));
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}
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void
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AudioPropertiesPage::slotFileDialog()
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{
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AudioFileManager &afm = m_doc->getAudioFileManager();
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KFileDialog *fileDialog = new KFileDialog(TQString(afm.getAudioPath().c_str()),
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TQString(),
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this, "file dialog", true);
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fileDialog->setMode(KFile::Directory);
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connect(fileDialog, TQT_SIGNAL(fileSelected(const TQString&)),
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TQT_SLOT(slotFileSelected(const TQString&)));
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connect(fileDialog, TQT_SIGNAL(destroyed()),
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TQT_SLOT(slotDirectoryDialogClosed()));
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if (fileDialog->exec() == TQDialog::Accepted) {
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m_path->setText(fileDialog->selectedFile());
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calculateStats();
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}
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delete fileDialog;
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}
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void
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AudioPropertiesPage::apply()
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{
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AudioFileManager &afm = m_doc->getAudioFileManager();
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TQString newDir = m_path->text();
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if (!newDir.isNull()) {
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afm.setAudioPath(qstrtostr(newDir));
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m_doc->slotDocumentModified();
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}
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}
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}
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#include "AudioPropertiesPage.moc"
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