C++ QTextFrameFormat::leftMargin方法代码示例

void KDReports::TextDocumentData::updatePercentSizes( const QSizeF& size )
{
    QTextCursor c( m_document );
    c.beginEditBlock();
    // TODO only if we inserted resizable images
    do {
        c.movePosition( QTextCursor::NextCharacter );
        QTextCharFormat format = c.charFormat();
        if ( format.hasProperty( ResizableImageProperty ) ) {
            Q_ASSERT( format.isImageFormat() );
            QTextImageFormat imageFormat = format.toImageFormat();
            updatePercentSize( imageFormat, size );
            //qDebug() << "updatePercentSizes: setting image to " << imageFormat.width() << "," << imageFormat.height();
            c.movePosition( QTextCursor::PreviousCharacter, QTextCursor::KeepAnchor );
            c.setCharFormat( imageFormat );
            c.movePosition( QTextCursor::NextCharacter );
        }
    } while ( !c.atEnd() );

    if (m_usesTabPositions) {
        QTextFrameFormat rootFrameFormat = m_document->rootFrame()->frameFormat();
        const int rootFrameMargins = rootFrameFormat.leftMargin() + rootFrameFormat.rightMargin();
        QTextBlock block = m_document->firstBlock();
        do {
            QTextBlockFormat blockFormat = block.blockFormat();
            QList<QTextOption::Tab> tabs = blockFormat.tabPositions();
            //qDebug() << "Looking at block" << block.blockNumber() << "tabs:" << tabs.count();
            if (!tabs.isEmpty()) {
                for (int i = 0; i < tabs.count(); ++i) {
                    QTextOption::Tab& tab = tabs[i];
                    if ( tab.delimiter == QLatin1Char('P') /* means Page -- see rightAlignedTab*/) {
                        if ( tab.type == QTextOption::RightTab ) {
                            //qDebug() << "Adjusted RightTab from" << tab.position << "to" << size.width();
                            tab.position = size.width() - rootFrameMargins;
                        } else if ( tab.type == QTextOption::CenterTab ) {
                            tab.position = ( size.width() - rootFrameMargins ) / 2;
                        }
                    }
                }
                blockFormat.setTabPositions( tabs );
                //qDebug() << "Adjusted tabs:" << tabs;
                c.setPosition( block.position() );
                c.setBlockFormat( blockFormat );
            }
            block = block.next();
        } while ( block.isValid() );
    }
    c.endEditBlock();
}

void QQuickTextNodeEngine::addFrameDecorations(QTextDocument *document, QTextFrame *frame)
{
    QTextDocumentLayout *documentLayout = qobject_cast<QTextDocumentLayout *>(document->documentLayout());
    QTextFrameFormat frameFormat = frame->format().toFrameFormat();

    QTextTable *table = qobject_cast<QTextTable *>(frame);
    QRectF boundingRect = table == 0
            ? documentLayout->frameBoundingRect(frame)
            : documentLayout->tableBoundingRect(table);

    QBrush bg = frame->frameFormat().background();
    if (bg.style() != Qt::NoBrush)
        m_backgrounds.append(qMakePair(boundingRect, bg.color()));

    if (!frameFormat.hasProperty(QTextFormat::FrameBorder))
        return;

    qreal borderWidth = frameFormat.border();
    if (qFuzzyIsNull(borderWidth))
        return;

    QBrush borderBrush = frameFormat.borderBrush();
    QTextFrameFormat::BorderStyle borderStyle = frameFormat.borderStyle();
    if (borderStyle == QTextFrameFormat::BorderStyle_None)
        return;

    addBorder(boundingRect.adjusted(frameFormat.leftMargin(), frameFormat.topMargin(),
                                    -frameFormat.rightMargin(), -frameFormat.bottomMargin()),
              borderWidth, borderStyle, borderBrush);
    if (table != 0) {
        int rows = table->rows();
        int columns = table->columns();

        for (int row=0; row<rows; ++row) {
            for (int column=0; column<columns; ++column) {
                QTextTableCell cell = table->cellAt(row, column);

                QRectF cellRect = documentLayout->tableCellBoundingRect(table, cell);
                addBorder(cellRect.adjusted(-borderWidth, -borderWidth, 0, 0), borderWidth,
                          borderStyle, borderBrush);
            }
        }
    }
}

void QTextOdfWriter::writeFrameFormat(QXmlStreamWriter &writer, QTextFrameFormat format, int formatIndex) const
{
    writer.writeStartElement(styleNS, QString::fromLatin1("style"));
    writer.writeAttribute(styleNS, QString::fromLatin1("name"), QString::fromLatin1("s%1").arg(formatIndex));
    writer.writeAttribute(styleNS, QString::fromLatin1("family"), QString::fromLatin1("section"));
    writer.writeEmptyElement(styleNS, QString::fromLatin1("section-properties"));
    if (format.hasProperty(QTextFormat::FrameTopMargin))
        writer.writeAttribute(foNS, QString::fromLatin1("margin-top"), pixelToPoint(qMax(qreal(0.), format.topMargin())) );
    if (format.hasProperty(QTextFormat::FrameBottomMargin))
        writer.writeAttribute(foNS, QString::fromLatin1("margin-bottom"), pixelToPoint(qMax(qreal(0.), format.bottomMargin())) );
    if (format.hasProperty(QTextFormat::FrameLeftMargin))
        writer.writeAttribute(foNS, QString::fromLatin1("margin-left"), pixelToPoint(qMax(qreal(0.), format.leftMargin())) );
    if (format.hasProperty(QTextFormat::FrameRightMargin))
        writer.writeAttribute(foNS, QString::fromLatin1("margin-right"), pixelToPoint(qMax(qreal(0.), format.rightMargin())) );

    writer.writeEndElement(); // style

// TODO consider putting the following properties in a qt-namespace.
// Position   position () const
// qreal   border () const
// QBrush   borderBrush () const
// BorderStyle   borderStyle () const
// qreal   padding () const
// QTextLength   width () const
// QTextLength   height () const
// PageBreakFlags   pageBreakPolicy () const
}