File indexing completed on 2024-04-21 04:50:17

 /*
     SPDX-FileCopyrightText: 1998-2009 Sebastian Trueg <trueg@k3b.org>
     SPDX-License-Identifier: GPL-2.0-or-later
 */
 #include "k3bwritingmodewidget.h"
 #include "k3bmediacache.h"
 #include "k3bapplication.h"
 
 #include "k3bglobals.h"
 
 #include <KConfig>
 #include <KLocalizedString>
 
 #include <QToolTip>
 
 static const KLocalizedString s_autoHelp =
     ki18n("Let K3b select the best-suited mode. This is the recommended selection.");
 static const KLocalizedString s_daoHelp =
     ki18n("<em>Disk At Once</em> or more properly <em>Session At Once</em>. "
           "The laser is never turned off while writing the CD or DVD. "
           "This is the preferred mode to write audio CDs since it allows "
           "pregaps other than 2 seconds. Not all writers support DAO.<br>"
           "DVD-R(W)s written in DAO provide the best DVD-Video compatibility.");
 static const KLocalizedString s_taoHelp =
     ki18n("<em>Track At Once</em> should be supported by every CD writer. "
           "The laser will be turned off after every track.<br>"
           "Most CD writers need this mode for writing multisession CDs.");
 // TODO: add something like: "No CD-TEXT writing in TAO mode."
 
 static const KLocalizedString s_rawHelp =
     ki18n("RAW writing mode. The error correction data is created by the "
           "software instead of the writer device.<br>"
           "Try this if your CD writer fails to write in DAO and TAO.");
 static const KLocalizedString s_seqHelp =
     ki18n("Incremental sequential is the default writing mode for DVD-R(W). "
           "It allows multisession DVD-R(W)s. It only applies to DVD-R(W).");
 static const KLocalizedString s_ovwHelp =
     ki18n("Restricted Overwrite allows one to use a DVD-RW just like a DVD-RAM "
           "or a DVD+RW. The media may just be overwritten. It is not possible "
           "to write multisession DVD-RWs in this mode but K3b uses growisofs "
           "to grow an ISO 9660 filesystem within the first session, thus allowing "
           "new files to be added to an already burned disk.");
 
 
 class K3b::WritingModeWidget::Private
 {
 public:
     // modes set via setSupportedModes
     WritingModes supportedModes;
 
     // filtered modes
     WritingModes selectedModes;
 
     Device::Device* device;
 
     void _k_writingModeChanged( int mode ) {
         emit q->writingModeChanged( WritingMode( mode ) );
     }
 
     WritingModeWidget* q;
 };
 
 
 K3b::WritingModeWidget::WritingModeWidget( WritingModes modes, QWidget* parent )
     : IntMapComboBox( parent )
 {
     init();
     setSupportedModes( modes );
 }
 
 
 K3b::WritingModeWidget::WritingModeWidget( QWidget* parent )
     : IntMapComboBox( parent )
 {
     init();
     setSupportedModes( WritingModeSao | WritingModeTao | WritingModeRaw );   // default: support all CD-R(W) modes
 }
 
 
 K3b::WritingModeWidget::~WritingModeWidget()
 {
     delete d;
 }
 
 
 void K3b::WritingModeWidget::init()
 {
     d = new Private();
     d->q = this;
     d->device = 0;
 
     connect( this, SIGNAL(valueChanged(int)), this, SLOT(_k_writingModeChanged(int)) );
 
     setToolTip( i18n("Select the writing mode to use") );
     addGlobalWhatsThisText( "<p><b>" + i18n("Writing mode") + "</b></p>",
                             i18n("Be aware that the writing mode is ignored when writing DVD+R(W) and BD-R(E) since "
                                  "there is only one way to write them.")
                             + "<p><i>"
                             + i18n("The selection of writing modes depends on the inserted burning medium.")
                             + "</i>" );
 }
 
 
 K3b::WritingMode K3b::WritingModeWidget::writingMode() const
 {
     return WritingMode( selectedValue() );
 }
 
 
 K3b::WritingModes K3b::WritingModeWidget::supportedWritingModes() const
 {
     return d->selectedModes;
 }
 
 
 void K3b::WritingModeWidget::setWritingMode( WritingMode m )
 {
     if( m & d->selectedModes ) {
         setSelectedValue( m );
     }
     else {
         setSelectedValue( WritingModeAuto );
     }
 }
 
 
 void K3b::WritingModeWidget::setSupportedModes( WritingModes m )
 {
     d->supportedModes = m|WritingModeAuto;  // we always support the Auto mode
     updateModes();
 }
 
 
 void K3b::WritingModeWidget::setDevice( Device::Device* dev )
 {
     d->device = dev;
     updateModes();
 }
 
 
 void K3b::WritingModeWidget::updateModes()
 {
     // save current mode
     int currentMode = writingMode();
 
     clear();
 
     if( d->device )
         d->selectedModes = d->supportedModes & d->device->writingModes();
     else
         d->selectedModes = d->supportedModes;
 
     insertItem( WritingModeAuto, i18n("Auto"), s_autoHelp.toString() );
     if( d->selectedModes & WritingModeSao )
         insertItem( WritingModeSao, i18n("DAO"), s_daoHelp.toString() );
     if( d->selectedModes & WritingModeTao )
         insertItem( WritingModeTao, i18n("TAO"), s_taoHelp.toString() );
     if( d->selectedModes & WritingModeRaw )
         insertItem( WritingModeRaw, i18n("RAW"), s_rawHelp.toString() );
     if( d->selectedModes & WritingModeRestrictedOverwrite )
         insertItem( WritingModeRestrictedOverwrite, i18n("Restricted Overwrite"), s_ovwHelp.toString() );
     if( d->selectedModes & WritingModeIncrementalSequential )
         insertItem( WritingModeIncrementalSequential, i18n("Incremental"), s_seqHelp.toString() );
 
     setWritingMode( currentMode != -1 ? WritingMode( currentMode ) : WritingModeAuto );
 }
 
 
 void K3b::WritingModeWidget::saveConfig( KConfigGroup c )
 {
     switch( writingMode() ) {
     case WritingModeSao:
         c.writeEntry( "writing_mode", "dao" );
         break;
     case WritingModeTao:
         c.writeEntry( "writing_mode", "tao" );
         break;
     case WritingModeRaw:
         c.writeEntry( "writing_mode", "raw" );
         break;
     case WritingModeIncrementalSequential:
         c.writeEntry( "writing_mode", "incremental" );
         break;
     case WritingModeRestrictedOverwrite:
         c.writeEntry( "writing_mode", "overwrite" );
         break;
     default:
         c.writeEntry( "writing_mode", "auto" );
         break;
     }
 }
 
 void K3b::WritingModeWidget::loadConfig( const KConfigGroup& c )
 {
     QString mode = c.readEntry( "writing_mode" );
     if ( mode == "dao" )
         setWritingMode( WritingModeSao );
     else if( mode == "tao" )
         setWritingMode( WritingModeTao );
     else if( mode == "raw" )
         setWritingMode( WritingModeRaw );
     else if( mode == "incremental" )
         setWritingMode( WritingModeIncrementalSequential );
     else if( mode == "overwrite" )
         setWritingMode( WritingModeRestrictedOverwrite );
     else
         setWritingMode( WritingModeAuto );
 }
 
 
 void K3b::WritingModeWidget::determineSupportedModesFromMedium( const Medium& m )
 {
     WritingModes modes = WritingModeAuto;
 
     if( m.diskInfo().mediaType() & (Device::MEDIA_CD_R|Device::MEDIA_CD_RW) ) {
         modes |= WritingModeTao;
         if( m.device()->supportsWritingMode( Device::WRITINGMODE_SAO ) )
             modes |= WritingModeSao;
         if( m.device()->supportsWritingMode( Device::WRITINGMODE_RAW ) )
             modes |= WritingModeRaw;
     }
 
     if( m.diskInfo().mediaType() & Device::MEDIA_DVD_MINUS_ALL ) {
         modes |= WritingModeSao;
         if ( !k3bcore->deviceBlocked( m.device() ) )
              if( m.device()->featureCurrent( Device::FEATURE_INCREMENTAL_STREAMING_WRITABLE ) != 0 )
                  modes |= WritingModeIncrementalSequential;
     }
 
     if( m.diskInfo().mediaType() & (Device::MEDIA_DVD_RW|
                                     Device::MEDIA_DVD_RW_SEQ|
                                     Device::MEDIA_DVD_RW_OVWR) ) {
         modes |= WritingModeRestrictedOverwrite;
     }
 
     setSupportedModes( modes );
     setDevice( m.device() );
 }
 
 
 void K3b::WritingModeWidget::determineSupportedModesFromMedium( K3b::Device::Device* dev )
 {
     if( dev )
         determineSupportedModesFromMedium( k3bappcore->mediaCache()->medium( dev ) );
     else
         determineSupportedModesFromMedium( Medium() ); // no medium
 }
 
 #include "moc_k3bwritingmodewidget.cpp"