C++ QVBox::setBackgroundMode方法代码示例

FileBrowser::FileBrowser( const char * name, Medium * medium )
        : QVBox( 0, name )
{
    KActionCollection *actionCollection;
    SearchPane *searchPane;

    KURL *location;

    // Try to keep filebrowser working even if not in a medium context
    // so if a medium object not passed in, keep earlier behavior
    if (!medium) {
        m_medium = 0;
        location = new KURL( Pana::config( "Filebrowser" )->readPathEntry( "Location", QDir::homeDirPath() ) );
        KFileItem *currentFolder = new KFileItem( KFileItem::Unknown, KFileItem::Unknown, *location );
        //KIO sucks, NetAccess::exists puts up a dialog and has annoying error message boxes
        //if there is a problem so there is no point in using it anyways.
        //so... setting the diroperator to ~ is the least sucky option
        if ( !location->isLocalFile() || !currentFolder->isReadable() ) {
            delete location;
            location = new KURL( QDir::homeDirPath() ) ;
        }
    }
    else{
        m_medium = medium;
        location = new KURL( m_medium->mountPoint() );
    }

    KActionCollection* ac = new KActionCollection( this );
    KStdAction::selectAll( this, SLOT( selectAll() ), ac, "filebrowser_select_all" );

    KToolBar *toolbar = new Browser::ToolBar( this );

    { //Filter LineEdit
        KToolBar* searchToolBar = new Browser::ToolBar( this );
        KToolBarButton *button = new KToolBarButton( "locationbar_erase", 0, searchToolBar );
        m_filter = new ClickLineEdit( i18n( "Enter search terms here" ), searchToolBar );

        searchToolBar->setStretchableWidget( m_filter );

        connect( button, SIGNAL(clicked()), m_filter, SLOT(clear()) );

        QToolTip::add( button, i18n( "Clear search field" ) );
        QToolTip::add( m_filter, i18n( "Enter space-separated terms to search in the directory-listing" ) );
    }

    { //Directory Listing
        QVBox *container; QHBox *box;

        container = new QVBox( this );
        container->setFrameStyle( m_filter->frameStyle() );
        container->setMargin( 3 );
        container->setSpacing( 2 );
        container->setBackgroundMode( Qt::PaletteBase );

        box = new QHBox( container );
        box->setMargin( 3 );
        box->setBackgroundMode( Qt::PaletteBase );

        //folder selection combo box
        m_combo = new KURLComboBox( KURLComboBox::Directories, true, box, "path combo" );

        if (!m_medium){
            m_combo->setCompletionObject( new KURLCompletion( KURLCompletion::DirCompletion ) );
            m_combo->setAutoDeleteCompletionObject( true );
        }
        m_combo->setMaxItems( 9 );
        m_combo->setURLs( Pana::config( "Filebrowser" )->readPathListEntry( "Dir History" ) );

        if (!m_medium)
            m_combo->lineEdit()->setText( location->path() );
        else
            m_combo->lineEdit()->setText( "/" );

        //The main widget with file listings and that
        m_dir = new MyDirOperator( *location, container, m_medium );
        m_dir->setEnableDirHighlighting( true );
        m_dir->setMode( KFile::Mode((int)KFile::Files | (int)KFile::Directory) ); //allow selection of multiple files + dirs
        m_dir->setOnlyDoubleClickSelectsFiles( true ); //Pana type settings
        m_dir->readConfig( Pana::config( "Filebrowser" ) );
        m_dir->setView( KFile::Default ); //will set userconfigured view, will load URL
        m_dir->setSizePolicy( QSizePolicy::Preferred, QSizePolicy::Expanding );
        m_dir->setAcceptDrops( true );
        //Automatically open folder after hovering above it...probably a good thing
        //but easily disabled by commenting this line out
        //Disabled for now because can't show . and .. folders.
        //TODO: Find out a way to fix this?
        //m_dir->setDropOptions( KFileView::AutoOpenDirs );

        static_cast<QFrame*>(m_dir->viewWidget())->setFrameStyle( QFrame::NoFrame );
        static_cast<QIconView*>(m_dir->viewWidget())->setSpacing( 1 );

        actionCollection = m_dir->actionCollection();

        searchPane = new SearchPane( this );

        setStretchFactor( container, 2 );
    }

    {
        QPopupMenu* const menu = static_cast<KActionMenu*>(actionCollection->action("popupMenu"))->popupMenu();
//.........这里部分代码省略.........