C++ QStyle::alignedRect方法代码示例

/**
 * @todo enable eliding (use QFontMetrics::elidedText() )
 */
void bicItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
{
  QStyleOptionViewItem opt = option;
  initStyleOption(&opt, index);

  // Background
  QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
  style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);

  const int margin = style->pixelMetric(QStyle::PM_FocusFrameHMargin) + 1;
  const QRect textArea = QRect(opt.rect.x() + margin, opt.rect.y() + margin, opt.rect.width() - 2 * margin, opt.rect.height() - 2 * margin);

  // Paint name
  painter->save();
  QFont smallFont = getSmallFont(opt);
  QFontMetrics metrics(opt.font);
  QFontMetrics smallMetrics(smallFont);
  QRect nameRect = style->alignedRect(opt.direction, Qt::AlignBottom, QSize(textArea.width(), smallMetrics.lineSpacing()), textArea);
  painter->setFont(smallFont);
  style->drawItemText(painter, nameRect, Qt::AlignBottom, QApplication::palette(), true, index.model()->data(index, bicModel::InstitutionNameRole).toString(), option.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Mid);
  painter->restore();

  // Paint BIC
  painter->save();
  QFont normal = painter->font();
  normal.setBold(true);
  painter->setFont(normal);
  QRect bicRect = style->alignedRect(opt.direction, Qt::AlignTop, QSize(textArea.width(), metrics.lineSpacing()), textArea);
  const QString bic = index.model()->data(index, Qt::DisplayRole).toString();
  style->drawItemText(painter, bicRect, Qt::AlignTop, QApplication::palette(), true, bic, option.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text);

  painter->restore();
}

void K3b::DeviceDelegate::paint( QPainter* painter, const QStyleOptionViewItem& optionOrig, const QModelIndex& index ) const
{
    if ( index.data( K3b::DeviceModel::IsDevice ).toBool() ) {
        painter->save();
        painter->setRenderHint(QPainter::Antialiasing);

        // HACK: we erase the branch
        QStyleOptionViewItemV4 option( optionOrig );
        option.rect.setLeft( 0 );
        painter->fillRect( option.rect, option.palette.base() );

        QStyle* style = QApplication::style();
        const FontsAndMetrics fam( option.font );
        const QPalette::ColorRole textRole = (option.state & QStyle::State_Selected) ?
                                              QPalette::HighlightedText : QPalette::Text;
        
        const QRect itemRect( option.rect.left() + fam.margin, option.rect.top() + fam.margin,
                              option.rect.width() - 2*fam.margin, option.rect.height() - 2*fam.margin );
        const QSize iconSize( itemRect.height(), itemRect.height() );
        const QSize mediumSize( itemRect.width() - iconSize.width() - fam.margin,
                                itemRect.height() - fam.spacing - fam.deviceFontM.height() );
        const QSize devicemSize( itemRect.width() - iconSize.width() - fam.margin,
                                 itemRect.height() - fam.spacing - fam.mediumFontM.height() );
        const QRect iconRect = style->alignedRect( option.direction, Qt::AlignLeft | Qt::AlignVCenter, iconSize, itemRect );
        const QRect mediumRect = style->alignedRect( option.direction, Qt::AlignRight | Qt::AlignTop, mediumSize, itemRect );
        const QRect deviceRect = style->alignedRect( option.direction, Qt::AlignRight | Qt::AlignBottom, devicemSize, itemRect );
        
        // draw background
        style->drawPrimitive( QStyle::PE_PanelItemViewItem, &option, painter );

        // draw decoration
        QPixmap pixmap = decoration( option, index, iconSize );
        painter->drawPixmap( iconRect, pixmap );

        // draw medium text
        painter->setFont( fam.mediumFont );
        QString text = index.data( Qt::DisplayRole ).toString();
        style->drawItemText( painter, mediumRect, option.displayAlignment, option.palette,
                             option.state & QStyle::State_Enabled,
                             fam.mediumFontM.elidedText( text, option.textElideMode, mediumRect.width() ),
                             textRole );

        // draw fixed device text
        painter->setFont( fam.deviceFont );
        text = index.data( K3b::DeviceModel::Vendor ).toString() + " - " + index.data( K3b::DeviceModel::Description ).toString();
        style->drawItemText( painter, deviceRect, option.displayAlignment, option.palette,
                             option.state & QStyle::State_Enabled,
                             fam.deviceFontM.elidedText( text, option.textElideMode, deviceRect.width() ),
                             textRole );

        painter->restore();
    }
    else {
        KFileItemDelegate::paint( painter, optionOrig, index );
    }
}

/** @todo elide texts */
void ibanBicItemDelegate::paint(QPainter* painter, const QStyleOptionViewItem& option, const QModelIndex& index) const
{
    QStyleOptionViewItem opt = option;
    initStyleOption(&opt, index);

    // Background
    QStyle *style = opt.widget ? opt.widget->style() : QApplication::style();
    style->drawPrimitive(QStyle::PE_PanelItemViewItem, &opt, painter, opt.widget);

    const int margin = style->pixelMetric(QStyle::PM_FocusFrameHMargin) + 1;
    const QRect textArea = QRect(opt.rect.x() + margin, opt.rect.y() + margin, opt.rect.width() - 2 * margin, opt.rect.height() - 2 * margin);

    // Do not paint text if the edit widget is shown
    const QAbstractItemView *view = qobject_cast<const QAbstractItemView *>(opt.widget);
    if (view && view->indexWidget(index))
        return;

    // Get data
    payeeIdentifierTyped<payeeIdentifiers::ibanBic> ibanBic = ibanBicByIndex(index);

    // Paint Bic
    painter->save();
    const QFont smallFont = painter->font();
    const QFontMetrics metrics(opt.font);
    const QFontMetrics smallMetrics(smallFont);
    const QRect bicRect = style->alignedRect((opt.direction  == Qt::RightToLeft) ? Qt::LeftToRight : Qt::RightToLeft, Qt::AlignTop, QSize(textArea.width(), smallMetrics.lineSpacing()),
                          QRect(textArea.left(), metrics.lineSpacing() + textArea.top(), textArea.width(), smallMetrics.lineSpacing())
                                            );
    painter->setFont(smallFont);
    style->drawItemText(painter, bicRect, Qt::AlignBottom | Qt::AlignRight, QApplication::palette(), true, ibanBic->storedBic(), opt.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text);
    painter->restore();

    // Paint Bank name
    painter->save();
    const QRect nameRect = style->alignedRect(opt.direction, Qt::AlignTop, QSize(textArea.width(), smallMetrics.lineSpacing()),
                           QRect(textArea.left(), metrics.lineSpacing() + textArea.top(), textArea.width(), smallMetrics.lineSpacing())
                                             );
    style->drawItemText(painter, nameRect, Qt::AlignBottom, QApplication::palette(), true, ibanBic->institutionName(), opt.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text);
    painter->restore();

    // Paint IBAN
    painter->save();
    QFont normal = painter->font();
    normal.setBold(true);
    painter->setFont(normal);
    const QRect ibanRect = style->alignedRect(opt.direction, Qt::AlignTop, QSize(textArea.width(), metrics.lineSpacing()), textArea);
    const QString bic = index.model()->data(index, Qt::DisplayRole).toString();
    style->drawItemText(painter, ibanRect, Qt::AlignTop, QApplication::palette(), true, ibanBic->paperformatIban(), opt.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text);
    painter->restore();

    // Paint type
    painter->save();
    QRect typeRect = style->alignedRect(opt.direction, Qt::AlignTop | Qt::AlignRight, QSize(textArea.width() / 5, metrics.lineSpacing()), textArea);
    style->drawItemText(painter, typeRect, Qt::AlignTop | Qt::AlignRight, QApplication::palette(), true, i18n("IBAN & BIC"), opt.state & QStyle::State_Selected ? QPalette::HighlightedText : QPalette::Text);
    painter->restore();
}