globalsettings.cpp

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#include "mythtv/mythcontext.h"

// c/c++
#include <unistd.h>

// qt
#include <qfile.h>
#include <qdialog.h>
#include <qcursor.h>
#include <qdir.h>
#include <qimage.h>
#include <qstringlist.h>
#include <qprocess.h>
#include <qapplication.h>
#include <qobject.h>

// mythtv
#include <mythtv/util.h>
#include <mythtv/compat.h>

// mythmusic
#include "globalsettings.h"
#include "mainvisual.h"

// General Settings

static HostLineEdit *SetMusicDirectory()
{
    HostLineEdit *gc = new HostLineEdit("MusicLocation");
    gc->setLabel(QObject::tr("Directory to hold music"));
#ifdef Q_WS_MACX
    gc->setValue(QDir::homeDirPath() + "/Music");
#else
    gc->setValue("/mnt/store/music/");
#endif
    gc->setHelpText(QObject::tr("This directory must exist, and the user "
                    "running MythMusic needs to have write permission "
                    "to the directory."));
    return gc;
};

static HostComboBox *MusicAudioDevice()
{
    HostComboBox *gc = new HostComboBox("MusicAudioDevice", true);
    gc->setLabel(QObject::tr("Audio device"));
    gc->addSelection(QObject::tr("default"), "default");
    QDir dev("/dev", "dsp*", QDir::Name, QDir::System);
    gc->fillSelectionsFromDir(dev);
    dev.setNameFilter("adsp*");
    gc->fillSelectionsFromDir(dev);

    dev.setNameFilter("dsp*");
    dev.setPath("/dev/sound");
    gc->fillSelectionsFromDir(dev);
    dev.setNameFilter("adsp*");
    gc->fillSelectionsFromDir(dev);
    gc->setHelpText(QObject::tr("Audio Device used for playback. 'default' will use the device specified in MythTV"));
    return gc;
};

static HostLineEdit *CDDevice()
{
    HostLineEdit *gc = new HostLineEdit("CDDevice", true);
    gc->setLabel(QObject::tr("CD device"));
    gc->setValue("default");
    gc->setHelpText(QObject::tr("CDRom device used for ripping/playback."));
    return gc;
};

static HostLineEdit *TreeLevels()
{
    HostLineEdit *gc = new HostLineEdit("TreeLevels", true);
    gc->setLabel(QObject::tr("Tree Sorting"));
    gc->setValue("splitartist artist album title");
    gc->setHelpText(QObject::tr("Order in which to sort the Music "
                    "Tree. Possible values are a space-separated list of "
                    "genre, splitartist, splitartist1, artist, album, and "
                    "title OR the keyword \"directory\" to indicate that "
                    "the onscreen tree mirrors the filesystem."));
    return gc;
};

static HostLineEdit *PostCDRipScript()
{
    HostLineEdit *gc = new HostLineEdit("PostCDRipScript");
    gc->setLabel(QObject::tr("Script Path"));
    gc->setValue("");
    gc->setHelpText(QObject::tr("If present this script will be executed "
                    "after a CD Rip is completed."));
    return gc;
};

static HostLineEdit *NonID3FileNameFormat()
{
    HostLineEdit *gc = new HostLineEdit("NonID3FileNameFormat");
    gc->setLabel(QObject::tr("Filename Format"));
    gc->setValue("GENRE/ARTIST/ALBUM/TRACK_TITLE");
    gc->setHelpText(QObject::tr("Directory and filename Format used to grab "
                    "information if no ID3 information is found. Accepts "
                    "GENRE, ARTIST, ALBUM, TITLE, ARTIST_TITLE and "
                    "TRACK_TITLE."));
    return gc;
};


static HostCheckBox *IgnoreID3Tags()
{
    HostCheckBox *gc = new HostCheckBox("Ignore_ID3");
    gc->setLabel(QObject::tr("Ignore ID3 Tags"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("If set, MythMusic will skip checking ID3 tags "
                    "in files and just try to determine Genre, Artist, "
                    "Album, and Track number and title from the "
                    "filename."));
    return gc;
};

static HostComboBox *TagEncoding()
{
    HostComboBox *gc = new HostComboBox("MusicTagEncoding");
    gc->setLabel(QObject::tr("Tag Encoding"));
    gc->addSelection(QObject::tr("UTF-16"), "utf16");
    gc->addSelection(QObject::tr("UTF-8"), "utf8");
    gc->addSelection(QObject::tr("Ascii"), "ascii");
    gc->setHelpText(QObject::tr("Some mp3 players don't understand tags encoded in UTF8 or UTF16, this setting allows you to change the encoding format used. Currently applies only to ID3 tags."));
    return gc;
};

static HostCheckBox *AutoLookupCD()
{
    HostCheckBox *gc = new HostCheckBox("AutoLookupCD");
    gc->setLabel(QObject::tr("Automatically lookup CDs"));
    gc->setValue(true);
    gc->setHelpText(QObject::tr("Automatically lookup an audio CD if it is "
                    "present and show its information in the "
                    "Music Selection Tree."));
    return gc;
};

static HostCheckBox *AutoPlayCD()
{
    HostCheckBox *gc = new HostCheckBox("AutoPlayCD");
    gc->setLabel(QObject::tr("Automatically play CDs"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("Automatically put a new CD on the "
                                "playlist and start playing the CD."));
    return gc;
};

static HostCheckBox *KeyboardAccelerators()
{
    HostCheckBox *gc = new HostCheckBox("KeyboardAccelerators");
    gc->setLabel(QObject::tr("Use Keyboard/Remote Accelerated Buttons"));
    gc->setValue(true);
    gc->setHelpText(QObject::tr("If this is not set, you will need "
                    "to use arrow keys to select and activate "
                    "various functions."));
    return gc;
};

// Encoder settings

static HostComboBox *EncoderType()
{
    HostComboBox *gc = new HostComboBox("EncoderType");
    gc->setLabel(QObject::tr("Encoding"));
    gc->addSelection(QObject::tr("Ogg Vorbis"), "ogg");
    gc->addSelection(QObject::tr("Lame (MP3)"), "mp3");
    gc->setHelpText(QObject::tr("Audio encoder to use for CD ripping. "
                    "Note that the quality level 'Perfect' will use the "
                                "FLAC encoder."));
    return gc;
};

static HostComboBox *DefaultRipQuality()
{
    HostComboBox *gc = new HostComboBox("DefaultRipQuality");
    gc->setLabel(QObject::tr("Default Rip Quality"));
    gc->addSelection(QObject::tr("Low"), "0");
    gc->addSelection(QObject::tr("Medium"), "1");
    gc->addSelection(QObject::tr("High"), "2");
    gc->addSelection(QObject::tr("Perfect"), "3");
    gc->setHelpText(QObject::tr("Default quality for new CD rips."));
    return gc;
};

static HostCheckBox *Mp3UseVBR()
{
    HostCheckBox *gc = new HostCheckBox("Mp3UseVBR");
    gc->setLabel(QObject::tr("Use variable bitrates"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("If set, the MP3 encoder will use variable "
                    "bitrates (VBR) except for the low quality setting. "
                    "The Ogg encoder will always use variable bitrates."));
    return gc;
};

static HostLineEdit *FilenameTemplate()
{
    HostLineEdit *gc = new HostLineEdit("FilenameTemplate");
    gc->setLabel(QObject::tr("File storage location"));
    gc->setValue("ARTIST/ALBUM/TRACK-TITLE"); // Don't translate
    gc->setHelpText(QObject::tr("Defines the location/name for new songs. "
                    "Valid tokens are: GENRE, ARTIST, ALBUM, "
                    "TRACK, TITLE, YEAR"));
    return gc;
};

static HostCheckBox *NoWhitespace()
{
    HostCheckBox *gc = new HostCheckBox("NoWhitespace");
    gc->setLabel(QObject::tr("Replace ' ' with '_'"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("If set, whitespace characters in filenames "
                    "will be replaced with underscore characters."));
    return gc;
};

static HostComboBox *ParanoiaLevel()
{
    HostComboBox *gc = new HostComboBox("ParanoiaLevel");
    gc->setLabel(QObject::tr("Paranoia Level"));
    gc->addSelection(QObject::tr("Full"), "Full");
    gc->addSelection(QObject::tr("Faster"), "Faster");
    gc->setHelpText(QObject::tr("Paranoia level of the CD ripper. Set to "
                    "faster if you're not concerned about "
                    "possible errors in the audio."));
    return gc;
};

static HostCheckBox *EjectCD()
{
    HostCheckBox *gc = new HostCheckBox("EjectCDAfterRipping");
    gc->setLabel(QObject::tr("Automatically eject CDs after ripping"));
    gc->setValue(true);
    gc->setHelpText(QObject::tr("If set, the CD tray will automatically open "
                    "after the CD has been ripped."));
    return gc;
};

static HostSpinBox *SetRatingWeight()
{
    HostSpinBox *gc = new HostSpinBox("IntelliRatingWeight", 0, 100, 1);
    gc->setLabel(QObject::tr("Rating Weight"));
    gc->setValue(35);
    gc->setHelpText(QObject::tr("Used in \"Smart\" Shuffle mode. "
                    "This weighting affects how much strength is "
                    "given to your rating of a given track when "
                    "ordering a group of songs."));
    return gc;
};

static HostSpinBox *SetPlayCountWeight()
{
    HostSpinBox *gc = new HostSpinBox("IntelliPlayCountWeight", 0, 100, 1);
    gc->setLabel(QObject::tr("Play Count Weight"));
    gc->setValue(25);
    gc->setHelpText(QObject::tr("Used in \"Smart\" Shuffle mode. "
                    "This weighting affects how much strength is "
                    "given to how many times a given track has been "
                    "played when ordering a group of songs."));
    return gc;
};

static HostSpinBox *SetLastPlayWeight()
{
    HostSpinBox *gc = new HostSpinBox("IntelliLastPlayWeight", 0, 100, 1);
    gc->setLabel(QObject::tr("Last Play Weight"));
    gc->setValue(25);
    gc->setHelpText(QObject::tr("Used in \"Smart\" Shuffle mode. "
                    "This weighting affects how much strength is "
                    "given to how long it has been since a given "
                    "track was played when ordering a group of songs."));
    return gc;
};

static HostSpinBox *SetRandomWeight()
{
    HostSpinBox *gc = new HostSpinBox("IntelliRandomWeight", 0, 100, 1);
    gc->setLabel(QObject::tr("Random Weight"));
    gc->setValue(15);
    gc->setHelpText(QObject::tr("Used in \"Smart\" Shuffle mode. "
                    "This weighting affects how much strength is "
                    "given to good old (peudo-)randomness "
                    "when ordering a group of songs."));
    return gc;
};

static HostSpinBox *SetSearchMaxResultsReturned()
{
    HostSpinBox *gc = new HostSpinBox("MaxSearchResults", 0, 20000, 100);
    gc->setLabel(QObject::tr("Maximum Search Results"));
    gc->setValue(300);
    gc->setHelpText(QObject::tr("Used to limit the number of results "
                    "returned when using the search feature."));
    return gc;
};

static HostComboBox *ArtistTreeGroups()
{
    HostComboBox *gc = new HostComboBox("ArtistTreeGroups");
    gc->setLabel(QObject::tr("Number of Artists Tree Groups"));
    gc->addSelection(QObject::tr("Few"), "0");
    gc->addSelection(QObject::tr("Average"), "1");
    gc->addSelection(QObject::tr("Many"), "2");
    gc->setHelpText(QObject::tr("Determines how many groups we have in the artist"
                                " tree.  Few gives 'A B C D' as per the old behaviour,"
                                " average gives two letters per group, many gives one"
                                " letter per group."));
    return gc;
};

static HostCheckBox *UseShowRatings()
{
    HostCheckBox *gc = new HostCheckBox("MusicShowRatings");
    gc->setLabel(QObject::tr("Show Song Ratings"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("Show song ratings on the playback screen."));
    return gc;
};

static HostCheckBox *UseListShuffled()
{
    HostCheckBox *gc = new HostCheckBox("ListAsShuffled");
    gc->setLabel(QObject::tr("List as Shuffled"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("List songs on the playback screen "
                    "in the order they will be played."));
    return gc;
};

static HostCheckBox *UseShowWholeTree()
{
    HostCheckBox *gc = new HostCheckBox("ShowWholeTree");
    gc->setLabel(QObject::tr("Show entire music tree"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("If selected, you can navigate your entire "
                    "music tree from the playing screen. N.B. Does not work "
                    "with accelerated buttons disabled"));
    return gc;
};

//Player Settings

static HostComboBox *PlayMode()
{
    HostComboBox *gc = new HostComboBox("PlayMode");
    gc->setLabel(QObject::tr("Play mode"));
    gc->addSelection(QObject::tr("Normal"), "normal");
    gc->addSelection(QObject::tr("Random"), "random");
    gc->addSelection(QObject::tr("Intelligent"), "intelligent");
    gc->addSelection(QObject::tr("Album"), "album");
    gc->setHelpText(QObject::tr("Starting shuffle mode for the player.  Can be "
                    "either normal, random, intelligent (random), or Album."));
    return gc;
};

static HostComboBox *ResumeMode()
{
    HostComboBox *gc = new HostComboBox("ResumeMode");
    gc->setLabel(QObject::tr("Resume mode"));
    gc->addSelection(QObject::tr("Off"), "off");
    gc->addSelection(QObject::tr("Track"), "track");
    gc->addSelection(QObject::tr("Exact"), "exact");
    gc->setHelpText(QObject::tr("Resume playback at either the beginning of the "
                    "active play queue, the beginning of the last track, an exact point within "
                    "the last track."));
    return gc;
};

static HostSlider *VisualModeDelay()
{
    HostSlider *gc = new HostSlider("VisualModeDelay", 0, 100, 1);
    gc->setLabel(QObject::tr("Delay before Visualizations start (seconds)"));
    gc->setValue(0);
    gc->setHelpText(QObject::tr("If set to 0, visualizations will never "
                    "automatically start."));
    return gc;
};

static HostCheckBox *VisualCycleOnSongChange()
{
    HostCheckBox *gc = new HostCheckBox("VisualCycleOnSongChange");
    gc->setLabel(QObject::tr("Change Visualizer on each song"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("Change the visualizer when the song "
                    "changes."));
    return gc;
};

static HostCheckBox *ShowAlbumArtOnSongChange()
{
    HostCheckBox *gc = new HostCheckBox("VisualAlbumArtOnSongChange");
    gc->setLabel(QObject::tr("Show Album Art at the start of each song"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("When the song changes and the new song has an album art "
                                "image display it in the visualizer for a short period."));
    return gc;
};

static HostCheckBox *VisualRandomize()
{
    HostCheckBox *gc = new HostCheckBox("VisualRandomize");
    gc->setLabel(QObject::tr("Randomize Visualizer order"));
    gc->setValue(false);
    gc->setHelpText(QObject::tr("On changing the visualizer pick "
                     "a new one at random."));
    return gc; 
};

static HostSpinBox *VisualScaleWidth()
{
    HostSpinBox *gc = new HostSpinBox("VisualScaleWidth", 1, 2, 1);
    gc->setLabel(QObject::tr("Width for Visual Scaling"));
    gc->setValue(1);
    gc->setHelpText(QObject::tr("If set to \"2\", visualizations will be "
                    "scaled in half.  Currently only used by "
                    "the goom visualization.  Reduces CPU load "
                    "on slower machines."));
    return gc;
};

static HostSpinBox *VisualScaleHeight()
{
    HostSpinBox *gc = new HostSpinBox("VisualScaleHeight", 1, 2, 1);
    gc->setLabel(QObject::tr("Height for Visual Scaling"));
    gc->setValue(1);
    gc->setHelpText(QObject::tr("If set to \"2\", visualizations will be "
                    "scaled in half.  Currently only used by "
                    "the goom visualization.  Reduces CPU load "
                    "on slower machines."));
    return gc;
};

static HostLineEdit *VisualizationMode()
{
    HostLineEdit *gc = new HostLineEdit("VisualMode");
    gc->setLabel(QObject::tr("Visualizations"));
    gc->setRO();
    gc->setValue("Blank");
    gc->setHelpText(QObject::tr("List of visualizations to use during playback. "
                                "Click the button below to edit this list"));

    return gc;
};

static TransButtonSetting *EditVisualizationModes()
{
    TransButtonSetting *gc = new TransButtonSetting();
    gc->setLabel(QObject::tr("Edit Visualizations"));
    gc->setHelpText(QObject::tr("Edit the list of visualizations to use during playback."));

    return gc;
}
// CD Writer Settings

static HostCheckBox *CDWriterEnabled()
{
    HostCheckBox *gc = new HostCheckBox("CDWriterEnabled");
    gc->setLabel(QObject::tr("Enable CD Writing."));
    gc->setValue(true);
    gc->setHelpText(QObject::tr("Requires a SCSI or an IDE-SCSI CD Writer."));
    return gc;
};

static HostLineEdit *CDWriterDevice()
{
    HostLineEdit *gc = new HostLineEdit("CDWriterDevice");
    gc->setValue("default");
    gc->setLabel(QObject::tr("CD-Writer Device"));
    gc->setHelpText(QObject::tr("Select the SCSI or IDE Device for CD Writing.")
                    + QObject::tr(" 'default' will let the "
                                  "MediaMonitor choose a device."));
    return gc;
};

static HostComboBox *CDDiskSize()
{
    HostComboBox *gc = new HostComboBox("CDDiskSize");
    gc->setLabel(QObject::tr("Disk Size"));
    gc->addSelection(QObject::tr("650MB/75min"), "1");
    gc->addSelection(QObject::tr("700MB/80min"), "2");
    gc->setHelpText(QObject::tr("Default CD Capacity."));
    return gc;
};

static HostCheckBox *CDCreateDir()
{
    HostCheckBox *gc = new HostCheckBox("CDCreateDir");
    gc->setLabel(QObject::tr("Enable directories on MP3 Creation"));
    gc->setValue(true);
    gc->setHelpText("");
    return gc;
};

static HostComboBox *CDWriteSpeed()
{
    HostComboBox *gc = new HostComboBox("CDWriteSpeed");
    gc->setLabel(QObject::tr("CD Write Speed"));
    gc->addSelection(QObject::tr("Auto"), "0");
    gc->addSelection("1x", "1");
    gc->addSelection("2x", "2");
    gc->addSelection("4x", "4");
    gc->addSelection("8x", "8");
    gc->addSelection("16x", "16");
    gc->setHelpText(QObject::tr("CD Writer speed. Auto will use the recomended "
                    "speed."));
    return gc;
};

static HostComboBox *CDBlankType()
{
    HostComboBox *gc = new HostComboBox("CDBlankType");
    gc->setLabel(QObject::tr("CD Blanking Type"));
    gc->addSelection(QObject::tr("Fast"), "fast");
    gc->addSelection(QObject::tr("Complete"), "all");
    gc->setHelpText(QObject::tr("Blanking Method. Fast takes 1 minute. "
                    "Complete can take up to 20 minutes."));
    return gc;
};

MusicGeneralSettings::MusicGeneralSettings(void)
{
    VerticalConfigurationGroup* general = new VerticalConfigurationGroup(false);
    general->setLabel(QObject::tr("General Settings (1)"));
    general->addChild(SetMusicDirectory());
    general->addChild(MusicAudioDevice());
    general->addChild(CDDevice());
    general->addChild(AutoLookupCD());
    general->addChild(AutoPlayCD());
    general->addChild(KeyboardAccelerators());
    addChild(general);

    VerticalConfigurationGroup* general2 = new VerticalConfigurationGroup(false);
    general2->setLabel(QObject::tr("General Settings (2)"));
    general2->addChild(TreeLevels());
    general2->addChild(ArtistTreeGroups());
    general2->addChild(NonID3FileNameFormat());
    general2->addChild(IgnoreID3Tags());
    general2->addChild(TagEncoding());
    addChild(general2);

    VerticalConfigurationGroup* general3 = new VerticalConfigurationGroup(false);
    general3->setLabel(QObject::tr("CD Recording Settings"));
    general3->addChild(CDWriterEnabled());
    general3->addChild(CDWriterDevice());
    general3->addChild(CDDiskSize());
    general3->addChild(CDCreateDir());
    general3->addChild(CDWriteSpeed());
    general3->addChild(CDBlankType());
    addChild(general3);
}

MusicPlayerSettings::MusicPlayerSettings(void)
{
    VerticalConfigurationGroup* playersettings = new VerticalConfigurationGroup(false);
    playersettings->setLabel(QObject::tr("Playback Settings"));
    playersettings->addChild(PlayMode());
    playersettings->addChild(ResumeMode());
    playersettings->addChild(SetSearchMaxResultsReturned());
    playersettings->addChild(UseShowRatings());
    playersettings->addChild(UseShowWholeTree());
    playersettings->addChild(UseListShuffled());
    addChild(playersettings);

    VerticalConfigurationGroup* playersettings2 = new VerticalConfigurationGroup(false);
    playersettings2->setLabel(QObject::tr("Playback Settings (2)"));
    playersettings2->addChild(SetRatingWeight());
    playersettings2->addChild(SetPlayCountWeight());
    playersettings2->addChild(SetLastPlayWeight());
    playersettings2->addChild(SetRandomWeight());
    addChild(playersettings2);

    VerticalConfigurationGroup* playersettings3 = new VerticalConfigurationGroup(false);
    playersettings3->setLabel(QObject::tr("Visualization Settings"));

    visModesEdit = VisualizationMode();
    playersettings3->addChild(visModesEdit);

    TransButtonSetting *button = EditVisualizationModes();
    playersettings3->addChild(button);
    connect(button, SIGNAL(pressed()), SLOT(showVisEditor()));

    playersettings3->addChild(VisualCycleOnSongChange());
    playersettings3->addChild(ShowAlbumArtOnSongChange());
    playersettings3->addChild(VisualRandomize());
    playersettings3->addChild(VisualModeDelay());
    playersettings3->addChild(VisualScaleWidth());
    playersettings3->addChild(VisualScaleHeight());
    addChild(playersettings3);
}

void MusicPlayerSettings::showVisEditor(void)
{
    VisualizationsEditor *dialog = new VisualizationsEditor(visModesEdit->getValue(),
            gContext->GetMainWindow(), "viseditor");
    if (kDialogCodeAccepted == dialog->exec())
        visModesEdit->setValue(dialog->getSelectedModes());

    delete dialog;
}


MusicRipperSettings::MusicRipperSettings(void)
{
    VerticalConfigurationGroup* rippersettings = new VerticalConfigurationGroup(false);
    rippersettings->setLabel(QObject::tr("CD Ripper Settings"));
    rippersettings->addChild(ParanoiaLevel());
    rippersettings->addChild(FilenameTemplate());
    rippersettings->addChild(NoWhitespace());
    rippersettings->addChild(PostCDRipScript());
    rippersettings->addChild(EjectCD());
    addChild(rippersettings);

    VerticalConfigurationGroup* encodersettings = new VerticalConfigurationGroup(false);
    encodersettings->setLabel(QObject::tr("CD Ripper Settings (part 2)"));
    encodersettings->addChild(EncoderType());
    encodersettings->addChild(DefaultRipQuality());
    encodersettings->addChild(Mp3UseVBR());
    addChild(encodersettings);
}

/*
---------------------------------------------------------------------
*/

VisualizationsEditor::VisualizationsEditor(const QString &currentSelection,
                                           MythMainWindow *parent, const char *name)
    : MythDialog(parent, name)
{
    QVBoxLayout *vbox = new QVBoxLayout(this, (int)(20 * wmult));
    QHBoxLayout *hbox = new QHBoxLayout(vbox, (int)(10 * wmult));

    // Window title
    QString message = tr("Visualizations");
    QLabel *label = new QLabel(message, this);
    label->setBackgroundOrigin(WindowOrigin);
    QFont font = label->font();
    font.setPointSize(int (font.pointSize() * 1.5));
    font.setBold(true);
    label->setFont(font);
    label->setPaletteForegroundColor(QColor("yellow"));
    label->setSizePolicy(QSizePolicy(QSizePolicy::Fixed, QSizePolicy::Fixed));
    hbox->addWidget(label);

    hbox = new QHBoxLayout(vbox, (int)(10 * wmult));
    label = new QLabel(tr("Selected Visualizations"), this);
    label->setBackgroundOrigin(WindowOrigin);
    label->setAlignment(Qt::AlignLeft | Qt::AlignBottom);
    hbox->addWidget(label);

    label = new QLabel(tr("Available Visualizations"), this);
    label->setBackgroundOrigin(WindowOrigin);
    label->setAlignment(Qt::AlignLeft | Qt::AlignBottom);
    hbox->addWidget(label);

    // selected listview
    hbox = new QHBoxLayout(vbox, (int)(10 * wmult));
    selectedList = new MythListView(this);
    selectedList->addColumn(tr("Name"));
    selectedList->addColumn(tr("Provider"));
    selectedList->setSorting(-1);         // disable sorting
    selectedList->setSelectionMode(QListView::Single);
    connect(selectedList, SIGNAL(currentChanged(QListViewItem *)),
            this, SLOT(selectedChanged(QListViewItem *)));
    connect(selectedList, SIGNAL(spacePressed(QListViewItem *)),
            this, SLOT(selectedOnSelect(QListViewItem *)));
    connect(selectedList, SIGNAL(returnPressed(QListViewItem *)),
            this, SLOT(selectedOnSelect(QListViewItem *)));
    selectedList->installEventFilter(this);
    hbox->addWidget(selectedList);

    // available listview
    availableList = new MythListView(this);
    availableList->addColumn(tr("Name"));
    availableList->addColumn(tr("Provider"));
    availableList->setSorting(0);
    connect(availableList, SIGNAL(currentChanged(QListViewItem *)),
            this, SLOT(availableChanged(QListViewItem *)));
    connect(availableList, SIGNAL(spacePressed(QListViewItem *)),
            this, SLOT(availableOnSelect(QListViewItem *)));
    connect(availableList, SIGNAL(returnPressed(QListViewItem *)),
            this, SLOT(availableOnSelect(QListViewItem *)));
    availableList->installEventFilter(this);

    hbox->addWidget(availableList);


    hbox = new QHBoxLayout(vbox, (int)(10 * wmult));
    MythPushButton *button = new MythPushButton( this, "Program" );
    button->setBackgroundOrigin(WindowOrigin);
    button->setText( tr( "Move Up" ) );
    button->setEnabled(true);
    connect(button, SIGNAL(clicked()), this, SLOT(upClicked()));
    hbox->addWidget(button);

    button = new MythPushButton( this, "Program" );
    button->setBackgroundOrigin(WindowOrigin);
    button->setText( tr( "Move Down" ) );
    button->setEnabled(true);
    connect(button, SIGNAL(clicked()), this, SLOT(downClicked()));
    hbox->addWidget(button);

    // fake labels used as spacers
    label = new QLabel(" ", this);
    label->setBackgroundOrigin(WindowOrigin);
    hbox->addWidget(label);

    label = new QLabel(" ", this);
    label->setBackgroundOrigin(WindowOrigin);
    hbox->addWidget(label);


    //OK Button
    hbox = new QHBoxLayout(vbox, (int)(10 * wmult));
    button = new MythPushButton( this, "Program" );
    button->setBackgroundOrigin(WindowOrigin);
    button->setText( tr( "OK" ) );
    button->setEnabled(true);
    hbox->addWidget(button);
    connect(button, SIGNAL(clicked()), this, SLOT(okClicked()));

    //Cancel Button
    button = new MythPushButton( this, "Program" );
    button->setBackgroundOrigin(WindowOrigin);
    button->setText( tr( "Cancel" ) );
    button->setEnabled(true);
    hbox->addWidget(button);
    connect(button, SIGNAL(clicked()), this, SLOT(cancelClicked()));

    availableList->setFocus();

    fillWidgets(currentSelection);
}

void VisualizationsEditor::fillWidgets(const QString &currentSelection)
{
    QListViewItem *item;
    QStringList currentList = QStringList::split(";", currentSelection);
    QStringList visualizations = MainVisual::Visualizations();
    visualizations.sort();

    item = NULL;
    for (uint i = 0; i < currentList.size(); i++)
    {
        // check the visualizer is supported
        if (visualizations.find(currentList[i]) != visualizations.end())
        {
            QString visName, pluginName;

            if (currentList[i].contains("-"))
            {
                pluginName = currentList[i].section('-', 0, 0);
                visName = currentList[i].section('-', 1, 1);
            }
            else
            {
                visName = currentList[i];
                pluginName = "MythMusic";
            }

            item = new QListViewItem(selectedList, item, visName, pluginName);
        }
        else
            VERBOSE(VB_IMPORTANT, QString("'%1' is not in the list of supported visualizers")
                    .arg(currentList[i]));
    }

    item = NULL;
    for (uint i = 0; i < visualizations.size(); i++)
    {
        if (currentList.find(visualizations[i]) == currentList.end())
        {
            QString visName, pluginName;

            if (visualizations[i].contains("-"))
            {
                pluginName = visualizations[i].section('-', 0, 0);
                visName = visualizations[i].section('-', 1, 1);
            }
            else
            {
                visName = visualizations[i];
                pluginName = "MythMusic";
            }

            item = new QListViewItem(availableList, item, visName, pluginName);
        }
    }

    if (selectedList->lastItem())
    {
        selectedList->setCurrentItem(selectedList->lastItem());
        selectedList->setSelected(selectedList->lastItem(), true);
    }

    if (availableList->firstChild())
    {
        availableList->setCurrentItem(availableList->firstChild());
        availableList->setSelected(availableList->firstChild(), true);
    }
}

VisualizationsEditor::~VisualizationsEditor()
{
}

void VisualizationsEditor::okClicked(void)
{
    accept();
}

void VisualizationsEditor::cancelClicked(void)
{
    reject();
}

void VisualizationsEditor::upClicked(void)
{
    QListViewItem *item = selectedList->currentItem();

    if (item)
    {
        QListViewItem *itemAbove = item->itemAbove();
        if (itemAbove)
            itemAbove = itemAbove->itemAbove();

        if (itemAbove)
            item->moveItem(itemAbove);
        else
        {
            selectedList->takeItem(item);
            selectedList->insertItem(item);
            selectedList->setSelected(item, true);
        }

        selectedList->ensureItemVisible(item);
    }
}

void VisualizationsEditor::downClicked(void)
{
    QListViewItem *item = selectedList->currentItem();

    if (item)
    {
        QListViewItem *itemBelow = item->itemBelow();
        if (itemBelow)
        {
            item->moveItem(itemBelow);
            selectedList->ensureItemVisible(item);
        }
    }
}

QString VisualizationsEditor::getSelectedModes(void)
{
    QString res = "";

    QListViewItem *item = selectedList->firstChild();

    while (item)
    {
        if (res != "")
            res += ";";

        if (item->text(1) == "MythMusic")
            res += item->text(0);
        else
            res += item->text(1) + "-" + item->text(0);

        item = item->nextSibling();
    }

    return res;
}

void VisualizationsEditor::selectedChanged(QListViewItem *item)
{
    if (item)
        item->setSelected(true);
}

void VisualizationsEditor::availableChanged(QListViewItem *item)
{
    if (item)
        item->setSelected(true);
}

void VisualizationsEditor::availableOnSelect(QListViewItem *item)
{
    if (item)
    {
        QListViewItem *currItem = selectedList->currentItem();
        if (!currItem)
            currItem = selectedList->lastItem();

        availableList->takeItem(item);
        selectedList->insertItem(item);
        if (currItem)
            item->moveItem(currItem);
        selectedList->setSelected(item, true);
        selectedList->ensureItemVisible(item);
    }
}

void VisualizationsEditor::selectedOnSelect(QListViewItem *item)
{
    if (item)
    {
        selectedList->takeItem(item);
        availableList->insertItem(item);
    }
}

bool VisualizationsEditor::eventFilter(QObject *obj, QEvent *e)
{
    if (obj == selectedList || obj == availableList)
    {
        if (e->type() == QEvent::KeyPress)
        {
            QKeyEvent *k = (QKeyEvent *) e;
            if (handleKeyPress(k))
                return true;
        }
    }

    return false;
}

bool VisualizationsEditor::handleKeyPress(QKeyEvent *e)
{
    bool handled = false;
    QStringList actions;
    if (gContext->GetMainWindow()->TranslateKeyPress("qt", e, actions))
    {
        for (unsigned int i = 0; i < actions.size() && !handled; i++)
        {
            QString action = actions[i];

            if (action == "LEFT")
            {
                handled = true;
                focusNextPrevChild(false);
            }
            else if (action == "RIGHT")
            {
                handled = true;
                focusNextPrevChild(true);
            }
        }
    }

    return handled;
}

---