C++ QValueVector::count方法代码示例

void ConnectWizard::projectReady( const Project & p )
{
    bool any_selected = 0;

    d->project = p;

    setFinishEnabled( SelectViewPage, false );

    m_viewList->clear();
    d->viewMap.clear();

    QValueVector<QString> vv = p.views().keys();
    for( unsigned i = 0; i < vv.count(); i++ ) {

        QListBoxText* item = new QListBoxText( m_viewList,
                p.localizator()->localizedMessage( vv[ i ] ) );
        d->viewMap.insert( item, vv[ i ] );

        // preselect view in listbox
        if( d->viewId == vv[ i ] ) {
            m_viewList->setSelected( item, true );
            any_selected = true;
        }
    }

    if( ! any_selected && p.views().count() > 0 ) {
        m_viewList->setSelected( 0, true );
    }
}

void MiniBar::notifySetup( const QValueVector< KPDFPage * > & pageVector, bool changed )
{
    // only process data when document changes
    if ( !changed )
        return;

    // if document is closed or has no pages, hide widget
    int pages = pageVector.count();
    if ( pages < 1 )
    {
        m_currentPage = -1;
        static_cast<QWidget*>( parent() )->hide();
        return;
    }

    // resize width of widgets
    int numberWidth = 10 + fontMetrics().width( QString::number( pages ) );
    m_pagesEdit->setMinimumWidth( numberWidth );
    m_pagesEdit->setMaximumWidth( 2 * numberWidth );
    m_pagesButton->setMinimumWidth( numberWidth );
    m_pagesButton->setMaximumWidth( 2 * numberWidth );

    // resize height of widgets
    int fixedHeight = fontMetrics().height() + 2;
    if ( fixedHeight < 18 )
        fixedHeight = 18;
    m_pagesEdit->setFixedHeight( fixedHeight );
    m_pagesButton->setFixedHeight( fixedHeight );
    m_prevButton->setFixedHeight( fixedHeight );
    m_nextButton->setFixedHeight( fixedHeight );

    // update child widgets
    m_pagesEdit->setPagesNumber( pages );
    m_pagesButton->setText( QString::number( pages ) );
    m_prevButton->setEnabled( false );
    m_nextButton->setEnabled( false );
    static_cast<QWidget*>( parent() )->show();
}

//BEGIN DocumentObserver inherited methods 
void ThumbnailList::notifySetup( const QValueVector< KPDFPage * > & pages, bool documentChanged )
{
	// if there was a widget selected, save its pagenumber to restore
	// its selection (if available in the new set of pages)
	int prevPage = -1;
	if ( !documentChanged && m_selected )
	{
		prevPage = m_selected->page()->number();
	}

	// delete all the Thumbnails
	QValueVector<ThumbnailWidget *>::iterator tIt = m_thumbnails.begin(), tEnd = m_thumbnails.end();
	for ( ; tIt != tEnd; ++tIt )
		delete *tIt;
	m_thumbnails.clear();
	m_visibleThumbnails.clear();
	m_selected = 0;

	if ( pages.count() < 1 )
	{
		resizeContents( 0, 0 );
		return;
	}

    // show pages containing hilighted text or bookmarked ones
    //RESTORE THIS int flags = Settings::filterBookmarks() ? KPDFPage::Bookmark : KPDFPage::Highlight;

    // if no page matches filter rule, then display all pages
    QValueVector< KPDFPage * >::const_iterator pIt = pages.begin(), pEnd = pages.end();
    bool skipCheck = true;
    for ( ; pIt != pEnd ; ++pIt )
        //if ( (*pIt)->attributes() & flags )
        if ( (*pIt)->hasHighlights( SW_SEARCH_ID ) )
            skipCheck = false;

    // generate Thumbnails for the given set of pages
    int width = clipper()->width(),
        totalHeight = 0;
    for ( pIt = pages.begin(); pIt != pEnd ; ++pIt )
        //if ( skipCheck || (*pIt)->attributes() & flags )
        if ( skipCheck || (*pIt)->hasHighlights( SW_SEARCH_ID ) )
        {
            ThumbnailWidget * t = new ThumbnailWidget( viewport(), *pIt, this );
            t->setFocusProxy( this );
            // add to the scrollview
            addChild( t, 0, totalHeight );
            // add to the internal queue
            m_thumbnails.push_back( t );
            // update total height (asking widget its own height)
            t->resizeFitWidth( width );
            totalHeight += t->heightHint() + 4;
            if ( (*pIt)->number() == prevPage )
            {
                m_selected = t;
                m_selected->setSelected( true );
            }
            t->show();
        }

    // update scrollview's contents size (sets scrollbars limits)
    resizeContents( width, totalHeight );

    // request for thumbnail generation
    delayedRequestVisiblePixmaps( 200 );
}