playlistwindow.cpp

来自「Amarok是一款在LINUX或其他类UNIX操作系统中运行的音频播放器软件。 」· C++ 代码 · 共 1,244 行 · 第 1/4 页

void PlaylistWindow::addLastfmNeighbor() //SLOT
{
    if( !LastFm::Controller::checkCredentials() ) return;

    const KURL url( QString( "lastfm://user/%1/neighbours" )
                    .arg( AmarokConfig::scrobblerUsername() ) );

    Playlist::instance()->insertMedia( url );
}


void PlaylistWindow::playLastfmCustom() //SLOT
{
    const QString token = LastFm::Controller::createCustomStation();
    if( token.isEmpty() ) return;

    const KURL url( "lastfm://artist/" + token + "/similarartists" );
    Playlist::instance()->insertMedia( url, Playlist::Append|Playlist::DirectPlay );
}


void PlaylistWindow::addLastfmCustom() //SLOT
{
    const QString token = LastFm::Controller::createCustomStation();
    if( token.isEmpty() ) return;

    const KURL url( "lastfm://artist/" + token + "/similarartists" );
    Playlist::instance()->insertMedia( url );
}


void PlaylistWindow::playLastfmGlobaltag( int id ) //SLOT
{
    if( !LastFm::Controller::checkCredentials() ) return;

    const QString tag = m_lastfmTags[id].lower();
    const KURL url( "lastfm://globaltags/" + tag );

    Playlist::instance()->insertMedia( url, Playlist::Append|Playlist::DirectPlay );
}


void PlaylistWindow::addLastfmGlobaltag( int id ) //SLOT
{
    if( !LastFm::Controller::checkCredentials() ) return;

    const QString tag = m_lastfmTags[id].lower();
    const KURL url( "lastfm://globaltags/" + tag );

    Playlist::instance()->insertMedia( url );
}


void PlaylistWindow::playAudioCD() //SLOT
{
    KURL::List urls;
    if( EngineController::engine()->getAudioCDContents(QString::null, urls) )
    {
        if (!urls.isEmpty())
            Playlist::instance()->insertMedia(urls, Playlist::Replace);
    }
    else
    { // Default behaviour
        m_browsers->showBrowser( "FileBrowser" );
        FileBrowser *fb = static_cast<FileBrowser *>( m_browsers->browser("FileBrowser") );
        fb->setUrl( KURL("audiocd:/Wav/") );
    }
}

void PlaylistWindow::showScriptSelector() //SLOT
{
    ScriptManager::instance()->show();
    ScriptManager::instance()->raise();
}

void PlaylistWindow::showQueueManager() //SLOT
{
    Playlist::instance()->showQueueManager();
}

void PlaylistWindow::showStatistics() //SLOT
{
    if( Statistics::instance() ) {
        Statistics::instance()->raise();
        return;
    }
    Statistics dialog;
    dialog.exec();
}

void PlaylistWindow::slotToggleFocus() //SLOT
{
    if( m_browsers->currentBrowser() && ( Playlist::instance()->hasFocus() || m_lineEdit->hasFocus() ) )
        m_browsers->currentBrowser()->setFocus();
    else
        Playlist::instance()->setFocus();
}

void PlaylistWindow::slotMenuActivated( int index ) //SLOT
{
    switch( index )
    {
    default:
        //saves duplicating the code and header requirements
        Amarok::Menu::instance()->slotActivated( index );
        break;
    case ID_SHOW_TOOLBAR:
        m_toolbar->setShown( !m_toolbar->isShown() );
        AmarokConfig::setShowToolbar( !AmarokConfig::showToolbar() );
        m_settingsMenu->changeItem( index, m_toolbar->isShown() ? i18n("Hide Toolbar") : i18n("Show Toolbar") );
        break;
    case ID_SHOW_PLAYERWINDOW:
        AmarokConfig::setShowPlayerWindow( !AmarokConfig::showPlayerWindow() );
        m_settingsMenu->changeItem( index, AmarokConfig::showPlayerWindow() ? i18n("Hide Player &Window") : i18n("Show Player &Window") );
        QTimer::singleShot( 0, kapp, SLOT( applySettings() ) );
        break;
    case Amarok::Menu::ID_RESCAN_COLLECTION:
        CollectionDB::instance()->startScan();
        break;
    }
}

void PlaylistWindow::actionsMenuAboutToShow() //SLOT
{
}

void PlaylistWindow::toolsMenuAboutToShow() //SLOT
{
    m_toolsMenu->setItemEnabled( Amarok::Menu::ID_CONFIGURE_EQUALIZER, EngineController::hasEngineProperty( "HasEqualizer" ) );
    m_toolsMenu->setItemEnabled( Amarok::Menu::ID_RESCAN_COLLECTION, !ThreadManager::instance()->isJobPending( "CollectionScanner" ) );
}


#include <kwin.h>
#include <kwinmodule.h>
/**
 * Show/hide playlist global shortcut and PlayerWindow PlaylistButton connect to this slot
 * RULES:
 * 1. hidden & iconified -> deiconify & show @n
 * 2. hidden & deiconified -> show @n
 * 3. shown & iconified -> deiconify @n
 * 4. shown & deiconified -> hide @n
 * 5. don't hide if there is no tray icon or playerWindow. todo (I can't be arsed) @n
 *
 * @note isMinimized() can only be true if the window isShown()
 * this has taken me hours to get right, change at your peril!
 * there are more contingencies than you can believe
 */
void PlaylistWindow::showHide() //SLOT
{
#ifdef Q_WS_X11
    const KWin::WindowInfo info = KWin::windowInfo( winId() );
    const uint desktop = KWin::currentDesktop();
    const bool isOnThisDesktop = info.isOnDesktop( desktop );
    const bool isShaded = false;

    if( isShaded )
    {
        KWin::clearState( winId(), NET::Shaded );
        setShown( true );
    }

    if( !isOnThisDesktop )
    {
        KWin::setOnDesktop( winId(), desktop );
        setShown( true );
    }
    else if( !info.isMinimized() && !isShaded ) setShown( !isShown() );

    if( isShown() ) KWin::deIconifyWindow( winId() );
#else
    setShown( !isShown() );
#endif
}

void PlaylistWindow::activate()
{
#ifdef Q_WS_X11
    const KWin::WindowInfo info = KWin::windowInfo( winId() );

    if( KWinModule( NULL, KWinModule::INFO_DESKTOP ).activeWindow() != winId())
        setShown( true );
    else if( !info.isMinimized() )
        setShown( true );
    if( isShown() )
        KWin::activateWindow( winId() );
#else
    setShown( true );
#endif
}

bool PlaylistWindow::isReallyShown() const
{
#ifdef Q_WS_X11
    const KWin::WindowInfo info = KWin::windowInfo( winId() );
    return isShown() && !info.isMinimized() && info.isOnDesktop( KWin::currentDesktop() );
#else
    return isShown();
#endif
}

void
PlaylistWindow::mbAvailabilityChanged( bool isAvailable ) //SLOT
{
    if( isAvailable )
    {
        if( m_browsers->indexForName( "MediaBrowser" ) == -1 )
            m_browsers->addBrowser( "MediaBrowser", MediaBrowser::instance(), i18n( "Media Device" ), Amarok::icon( "device" ) );
    }
    else
    {
        if( m_browsers->indexForName( "MediaBrowser" ) != -1 )
        {
            showBrowser( "CollectionBrowser" );
            m_browsers->removeMediaBrowser( MediaBrowser::instance() );
        }
    }
}

//////////////////////////////////////////////////////////////////////////////////////////
/// DynamicBar
//////////////////////////////////////////////////////////////////////////////////////////
DynamicBar::DynamicBar(QWidget* parent)
       : QHBox( parent, "DynamicModeStatusBar" )
{
    m_titleWidget = new DynamicTitle(this);

    setSpacing( KDialog::spacingHint() );
    QWidget *spacer = new QWidget( this );
    setStretchFactor( spacer, 10 );
}

// necessary because it has to be constructed before Playlist::instance(), but also connect to it
void DynamicBar::init()
{
    connect(Playlist::instance()->qscrollview(), SIGNAL(dynamicModeChanged(const DynamicMode*)),
                                                   SLOT(slotNewDynamicMode(const DynamicMode*)));

    KPushButton* editDynamicButton = new KPushButton( i18n("Edit"), this, "DynamicModeEdit" );
    connect( editDynamicButton, SIGNAL(clicked()), Playlist::instance()->qscrollview(), SLOT(editActiveDynamicMode()) );

    KPushButton* repopButton = new KPushButton( i18n("Repopulate"), this, "DynamicModeRepopulate" );
    connect( repopButton, SIGNAL(clicked()), Playlist::instance()->qscrollview(), SLOT(repopulate()) );

    KPushButton* disableButton = new KPushButton( i18n("Turn Off"), this, "DynamicModeDisable" );
    connect( disableButton, SIGNAL(clicked()), Playlist::instance()->qscrollview(), SLOT(disableDynamicMode()) );

    slotNewDynamicMode( Playlist::instance()->dynamicMode() );
}

void DynamicBar::slotNewDynamicMode(const DynamicMode* mode)
{
    setShown(mode);
    if (mode)
        changeTitle(mode->title());
}

void DynamicBar::changeTitle(const QString& title)
{
   m_titleWidget->setTitle(title);
}

//////////////////////////////////////////////////////////////////////////////////////////
/// DynamicTitle
//////////////////////////////////////////////////////////////////////////////////////////
DynamicTitle::DynamicTitle(QWidget* w)
    : QWidget(w, "dynamic title")
{
    m_font.setBold( true );
    setTitle("");
}

void DynamicTitle::setTitle(const QString& newTitle)
{
    m_title = newTitle;
    QFontMetrics fm(m_font);
    setMinimumWidth( s_curveWidth*3 + fm.width(m_title) + s_imageSize );
    setMinimumHeight( fm.height() );
}

void DynamicTitle::paintEvent(QPaintEvent* /*e*/)
{
    QPainter p;
    p.begin( this, false );
    QPen pen( colorGroup().highlightedText(), 0, Qt::NoPen );
    p.setPen( pen );
    p.setBrush( colorGroup().highlight() );
    p.setFont(m_font);

    QFontMetrics fm(m_font);
    int textHeight = fm.height();
    if (textHeight < s_imageSize)
        textHeight = s_imageSize;
    int textWidth = fm.width(m_title);
    int yStart = (height() - textHeight) / 2;
    if(yStart < 0)
        yStart = 0;

    p.drawEllipse( 0, yStart, s_curveWidth * 2, textHeight);
    p.drawEllipse( s_curveWidth + textWidth + s_imageSize, yStart, s_curveWidth*2, textHeight);
    p.fillRect( s_curveWidth, yStart, textWidth + s_imageSize + s_curveWidth, textHeight
                    , QBrush( colorGroup().highlight()) );
    p.drawPixmap( s_curveWidth, yStart + ((textHeight - s_imageSize) /2), SmallIcon("dynamic") );
    //not sure why first arg of Rect shouldn't add @curveWidth
    p.drawText( QRect(s_imageSize, yStart, s_curveWidth + textWidth +s_imageSize, textHeight), Qt::AlignCenter, m_title);
}

#include "playlistwindow.moc"