C++ qfu函数代码示例

bool AboutDialog::eventFilter(QObject *obj, QEvent *event)
{
    if (event->type() == QEvent::MouseButtonPress )
    {
        if( obj == ui.version )
        {
            if( !b_advanced )
            {
                ui.version->setText(qfu( VLC_CompileBy() )+ "@" + qfu( VLC_CompileHost() )
                    + " " + __DATE__ + " " + __TIME__);
                b_advanced = true;
            }
            else
            {
                ui.version->setText(qfu( " " VERSION_MESSAGE ) );
                b_advanced = false;
            }
            return true;
        }
        else if( obj == ui.licenseButton )
            showLicense();
        else if( obj == ui.authorsButton )
            showAuthors();
        else if( obj == ui.creditsButton )
            showCredit();

        return false;
    }

    return QVLCDialog::eventFilter( obj, event);
}

/* This function may not be the best way to do it
   It destroys everything and gets everything again instead of just
   building the necessary columns.
   This does extra work if you re-display the same column. Slower...
   On the other hand, this way saves memory.
   There must be a more clever way.
   */
void PLItem::update( playlist_item_t *p_item, bool iscurrent )
{
    assert( p_item->p_input->i_id == i_input_id );

    /* Useful for the model */
    i_type = p_item->p_input->i_type;
    b_current = iscurrent;

    item_col_strings.clear();

    if( model->i_depth == 1 )  /* Selector Panel */
    {
        item_col_strings.append( qfu( p_item->p_input->psz_name ) );
        return;
    }

    i_showflags = parentItem ? parentItem->i_showflags : i_showflags;

    /* Meta: ID */
    if( i_showflags & COLUMN_NUMBER )
    {
        QModelIndex idx = model->index( this, 0 );
        item_col_strings.append( QString::number( idx.row() + 1 ) );
    }
    /* Other meta informations */
    for( uint32_t i_index=2; i_index < COLUMN_END; i_index <<= 1 )
    {
        if( i_showflags & i_index )
        {
            char *psz = psz_column_meta( p_item->p_input, i_index );
            item_col_strings.append( qfu( psz ) );
            free( psz );
        }
    }
}

bool EPGItem::setData( vlc_epg_event_t *data )
{
    QDateTime newtime = QDateTime::fromTime_t( data->i_start );
    QString newname = qfu( data->psz_name );
    QString newdesc = qfu( data->psz_description );
    QString newshortdesc = qfu( data->psz_short_description );

    if ( m_start != newtime ||
         m_name != newname ||
         m_description != newdesc ||
         m_shortDescription != newshortdesc ||
         m_duration != data->i_duration )
    {
        m_start = newtime;
        m_name = newname;
        setToolTip( newname );
        m_description = newdesc;
        m_shortDescription = newshortdesc;
        setDuration( data->i_duration );
        setRating( data->i_rating );
        update();
        return true;
    }
    return false;
}

void MessagesDialog::buildTree( QTreeWidgetItem *parentItem,
                                vlc_object_t *p_obj )
{
    QTreeWidgetItem *item;

    if( parentItem )
        item = new QTreeWidgetItem( parentItem );
    else
        item = new QTreeWidgetItem( ui.modulesTree );

    char *name = vlc_object_get_name( p_obj );
    item->setText( 0, QString("%1%2 (0x%3)")
                   .arg( qfu( p_obj->psz_object_type ) )
                   .arg( ( name != NULL )
                         ? QString( " \"%1\"" ).arg( qfu( name ) )
                             : "" )
                   .arg( (uintptr_t)p_obj, 0, 16 )
                 );
    free( name );
    item->setExpanded( true );

    vlc_list_t *l = vlc_list_children( p_obj );
    for( int i=0; i < l->i_count; i++ )
        buildTree( item, l->p_values[i].p_object );
    vlc_list_release( l );
}

bool EPGItem::setData( const vlc_epg_event_t *data )
{
    QDateTime newtime = QDateTime::fromTime_t( data->i_start );
    QString newname = qfu( data->psz_name );
    QString newdesc = qfu( data->psz_description );
    QString newshortdesc = qfu( data->psz_short_description );

    if ( m_start != newtime ||
         m_name != newname ||
         m_description != newdesc ||
         m_shortDescription != newshortdesc ||
         m_duration != data->i_duration )
    {
        m_start = newtime;
        m_name = newname;
        setToolTip( newname );
        m_description = newdesc;
        m_shortDescription = newshortdesc;
        setDuration( data->i_duration );
        setRating( data->i_rating );
        m_descitems.clear();
        for( int i=0; i<data->i_description_items; i++ )
        {
            m_descitems.append(QPair<QString, QString>(
                                  QString(data->description_items[i].psz_key),
                                  QString(data->description_items[i].psz_value)));
        }
        updatePos();
        prepareGeometryChange();
        return true;
    }
    return false;
}

/**
 * Update the Codecs information on parent->update()
 **/
void InfoPanel::update( input_item_t *p_item)
{
    if( !p_item )
    {
        clear();
        return;
    }

    InfoTree->clear();
    QTreeWidgetItem *current_item = NULL;
    QTreeWidgetItem *child_item = NULL;

    for( int i = 0; i< p_item->i_categories ; i++)
    {
        current_item = new QTreeWidgetItem();
        current_item->setText( 0, qfu(p_item->pp_categories[i]->psz_name) );
        InfoTree->addTopLevelItem( current_item );

        for( int j = 0 ; j < p_item->pp_categories[i]->i_infos ; j++ )
        {
            child_item = new QTreeWidgetItem ();
            child_item->setText( 0,
                    qfu(p_item->pp_categories[i]->pp_infos[j]->psz_name)
                    + ": "
                    + qfu(p_item->pp_categories[i]->pp_infos[j]->psz_value));

            current_item->addChild(child_item);
        }
        InfoTree->setItemExpanded( current_item, true);
    }
}

void StringListConfigControl::finish(module_config_t *p_module_config )
{
    combo->setEditable( false );
    CONNECT( combo, currentIndexChanged ( int ), this, comboIndexChanged( int ) );

    if(!p_module_config) return;

    char **values, **texts;
    ssize_t count = config_GetPszChoices( p_this, p_item->psz_name,
                                          &values, &texts );
    for( ssize_t i = 0; i < count && texts; i++ )
    {
        if( texts[i] == NULL || values[i] == NULL )
            continue;

        combo->addItem( qfu(texts[i]), QVariant( qfu(values[i])) );
        if( !strcmp( p_item->value.psz ? p_item->value.psz : "", values[i] ) )
            combo->setCurrentIndex( combo->count() - 1 );
        free( texts[i] );
        free( values[i] );
    }
    free( texts );
    free( values );

    if( p_module_config->psz_longtext  )
    {
        QString tipText = qtr(p_module_config->psz_longtext);
        combo->setToolTip( formatTooltip(tipText) );
        if( label )
            label->setToolTip( formatTooltip(tipText) );
    }
    if( label )
        label->setBuddy( combo );
}

MsgEvent::MsgEvent( int type, const vlc_log_t *msg, const char *text )
    : QEvent( (QEvent::Type)MsgEvent_Type ),
      priority( type ),
      object_id( msg->i_object_id ),
      object_type( qfu(msg->psz_object_type) ),
      header( qfu(msg->psz_header) ),
      module( qfu(msg->psz_module) ),
      text( qfu(text) )
{
}

MsgEvent::MsgEvent( const msg_item_t *msg )
    : QEvent( (QEvent::Type)MsgEvent_Type ),
      priority( msg->i_type ),
      object_id( msg->i_object_id ),
      object_type( qfu(msg->psz_object_type) ),
      header( qfu(msg->psz_header) ),
      module( qfu(msg->psz_module) ),
      text( qfu(msg->psz_msg) )
{
}

/* Define the Input used.
   Add the callbacks on input
   p_input is held once here */
void InputManager::setInput( input_thread_t *_p_input )
{
    delInput();
    p_input = _p_input;
    if( p_input != NULL )
    {
        msg_Dbg( p_intf, "IM: Setting an input" );
        vlc_object_hold( p_input );
        addCallbacks();

        UpdateStatus();
        UpdateName();
        UpdateArt();
        UpdateTeletext();
        UpdateNavigation();
        UpdateVout();

        p_item = input_GetItem( p_input );
        emit rateChanged( var_GetFloat( p_input, "rate" ) );

        /* Get Saved Time */
        if( p_item->i_type == ITEM_TYPE_FILE )
        {
            char *uri = input_item_GetURI( p_item );

            int i_time = RecentsMRL::getInstance( p_intf )->time( qfu(uri) );
            if( i_time > 0 && qfu( uri ) != lastURI &&
                    !var_GetFloat( p_input, "run-time" ) &&
                    !var_GetFloat( p_input, "start-time" ) &&
                    !var_GetFloat( p_input, "stop-time" ) )
            {
                emit resumePlayback( (int64_t)i_time * 1000 );
            }
            playlist_Lock( THEPL );
            // Add root items only
            playlist_item_t* p_node = playlist_CurrentPlayingItem( THEPL );
            if ( p_node != NULL && p_node->p_parent != NULL && p_node->p_parent->i_id == THEPL->p_playing->i_id )
            {
                // Save the latest URI to avoid asking to restore the
                // position on the same input file.
                lastURI = qfu( uri );
                RecentsMRL::getInstance( p_intf )->addRecent( lastURI );
            }
            playlist_Unlock( THEPL );
            free( uri );
        }
    }
    else
    {
        p_item = NULL;
        lastURI.clear();
        assert( !p_input_vbi );
        emit rateChanged( var_InheritFloat( p_intf, "rate" ) );
    }
}

void VLMDialog::mediasPopulator()
{
    if( p_vlm )
    {
        int i_nMedias;
        QString typeShortName;
        int vlmItemCount;
        vlm_media_t ***ppp_dsc = (vlm_media_t ***)malloc( sizeof( vlm_media_t ) );

        /* Get medias information and numbers */
        vlm_Control( p_vlm, VLM_GET_MEDIAS, ppp_dsc, &i_nMedias );

        /* Loop on all of them */
        for( int i = 0; i < i_nMedias; i++ )
        {
            VLMAWidget * vlmAwidget;
            vlmItemCount = vlmItems.count();

            QString mediaName = qfu( (*ppp_dsc)[i]->psz_name );
            /* It may have several inputs, we take the first one by default
                 - an evolution will be to manage these inputs in the gui */
            QString inputText = qfu( (*ppp_dsc)[i]->ppsz_input[0] );

            QString outputText = qfu( (*ppp_dsc)[i]->psz_output );

            /* Schedule media is a quite especial, maybe there is another way to grab information */
            if( (*ppp_dsc)[i]->b_vod )
            {
                typeShortName = "VOD";
                QString mux = qfu( (*ppp_dsc)[i]->vod.psz_mux );
                vlmAwidget = new VLMVod( mediaName, inputText, inputOptions,
                                         outputText, (*ppp_dsc)[i]->b_enabled,
                                         mux, this );
            }
            else
            {
                typeShortName = "Bcast";
                vlmAwidget = new VLMBroadcast( mediaName, inputText, inputOptions,
                                               outputText, (*ppp_dsc)[i]->b_enabled,
                                               (*ppp_dsc)[i]->broadcast.b_loop, this );
            }
            /* Add an Item of the Side List */
            ui.vlmListItem->addItem( typeShortName + " : " + mediaName );
            ui.vlmListItem->setCurrentRow( vlmItemCount - 1 );

            /* Add a new VLMAWidget on the main List */
            vlmItemLayout->insertWidget( vlmItemCount, vlmAwidget );
            vlmItems.append( vlmAwidget );
            clearWidgets();
        }
        free( ppp_dsc );
    }
}

QString toURI( const QString& s )
{
    if( s.contains( qfu("://") ) )
        return s;

    char *psz = vlc_path2uri( qtu(s), NULL );
    if( psz == NULL )
        return qfu("");

    QString uri = qfu( psz );
    free( psz );
    return uri;
}

static QTreeWidgetItem * PLWalk( playlist_item_t *p_node )
{
    QTreeWidgetItem *current = new QTreeWidgetItem();
    current->setText( 0, qfu( p_node->p_input->psz_name ) );
    current->setToolTip( 0, qfu( p_node->p_input->psz_uri ) );
    current->setText( 1, QString("%1").arg( p_node->i_id ) );
    current->setText( 2, QString("%1").arg( p_node->p_input->i_id ) );
    current->setText( 3, QString("0x%1").arg( p_node->i_flags, 0, 16 ) );
    current->setText( 4, QString("0x%1").arg(  p_node->p_input->i_type, 0, 16 ) );
    for ( int i = 0; p_node->i_children > 0 && i < p_node->i_children; i++ )
        current->addChild( PLWalk( p_node->pp_children[ i ] ) );
    return current;
}

AboutDialog::AboutDialog( intf_thread_t *_p_intf)
            : QVLCDialog( (QWidget*)_p_intf->p_sys->p_mi, _p_intf ), b_advanced( false )
{
    /* Build UI */
    ui.setupUi( this );
    setWindowTitle( qtr( "About" ) );
    setWindowRole( "vlc-about" );
    setWindowModality( Qt::WindowModal );

    ui.version->setText(qfu( " " VERSION_MESSAGE ) );
    ui.title->setText("<html><head/><body><p><span style=\" font-size:26pt; color:#353535;\"> " + qtr( "VLC media player" ) + " </span></p></body></html>");

    ui.MainBlabla->setText("<html><head/><body>" +
    qtr( "<p>VLC media player is a free and open source media player, encoder, and streamer made by the volunteers of the <a href=\"http://www.videolan.org/\"><span style=\" text-decoration: underline; color:#0057ae;\">VideoLAN</span></a> community.</p><p>VLC uses its internal codecs, works on essentially every popular platform, and can read almost all files, CDs, DVDs, network streams, capture cards and other media formats!</p><p><a href=\"http://www.videolan.org/contribute/\"><span style=\" text-decoration: underline; color:#0057ae;\">Help and join us!</span></a>" ) +
    "</p></body> </html>");

#if 0
    if( QDate::currentDate().dayOfYear() >= QT_XMAS_JOKE_DAY && var_InheritBool( p_intf, "qt-icon-change" ) )
        ui.iconVLC->setPixmap( QPixmap( ":/logo/vlc128-xmas.png" ) );
    else
        ui.iconVLC->setPixmap( QPixmap( ":/logo/vlc128.png" ) );
#endif

#if 0
    ifdef UPDATE_CHECK
#else
    ui.update->hide();
#endif

    /* GPL License */
    ui.licensePage->setText( qfu( psz_license ) );

    /* People who helped */
    ui.creditPage->setText( qfu( psz_thanks ) );

    /* People who wrote the software */
    ui.authorsPage->setText( qfu( psz_authors ) );

    ui.licenseButton->setText( "<html><head/><body><p><span style=\" text-decoration: underline; color:#0057ae;\">"+qtr( "License" )+"</span></p></body></html>");
    ui.licenseButton->installEventFilter( this );

    ui.authorsButton->setText( "<html><head/><body><p><span style=\" text-decoration: underline; color:#0057ae;\">"+qtr( "Authors" )+"</span></p></body></html>");
    ui.authorsButton->installEventFilter( this );

    ui.creditsButton->setText( "<html><head/><body><p><span style=\" text-decoration: underline; color:#0057ae;\">"+qtr( "Credits" )+"</span></p></body></html>");
    ui.creditsButton->installEventFilter( this );

    ui.version->installEventFilter( this );
}

void SoutDialog::addDest( )
{
    VirtualDestBox *db;
    QString caption;

    switch( ui.destBox->currentIndex() )
    {
        case 0:
            db = new FileDestBox( this, p_intf );
            caption = qtr( "File" );
            break;
        case 1:
            db = new HTTPDestBox( this );
            caption = qfu( "HTTP" );
            break;
        case 2:
            db = new MMSHDestBox( this );
            caption = qfu( "WMSP" );
            break;
        case 3:
            db = new RTSPDestBox( this );
            caption = qfu( "RTSP" );
            break;
        case 4:
            db = new RTPDestBox( this, "ts" );
            caption = "RTP/TS";
            break;
        case 5:
            db = new RTPDestBox( this );
            caption = "RTP/AVP";
            break;
        case 6:
            db = new UDPDestBox( this );
            caption = "UDP";
            break;
        case 7:
            db = new ICEDestBox( this );
            caption = "Icecast";
            break;
        default:
            assert(0);
    }

    int index = ui.destTab->addTab( db, caption );
    CONNECT( db, mrlUpdated(), this, updateMRL() );
    ui.destTab->setCurrentIndex( index );
    updateMRL();
}