Exemplo n.º 1
0
void QQuickTextNode::addTextDocument(const QPointF &position, QTextDocument *textDocument,
                                  const QColor &textColor,
                                  QQuickText::TextStyle style, const QColor &styleColor,
                                  const QColor &anchorColor,
                                  const QColor &selectionColor, const QColor &selectedTextColor,
                                  int selectionStart, int selectionEnd)
{
    QQuickTextNodeEngine engine;
    engine.setTextColor(textColor);
    engine.setSelectedTextColor(selectedTextColor);
    engine.setSelectionColor(selectionColor);
    engine.setAnchorColor(anchorColor);
    engine.setPosition(position);

    QList<QTextFrame *> frames;
    frames.append(textDocument->rootFrame());
    while (!frames.isEmpty()) {
        QTextFrame *textFrame = frames.takeFirst();
        frames.append(textFrame->childFrames());

        engine.addFrameDecorations(textDocument, textFrame);

        if (textFrame->firstPosition() > textFrame->lastPosition()
         && textFrame->frameFormat().position() != QTextFrameFormat::InFlow) {
            const int pos = textFrame->firstPosition() - 1;
            ProtectedLayoutAccessor *a = static_cast<ProtectedLayoutAccessor *>(textDocument->documentLayout());
            QTextCharFormat format = a->formatAccessor(pos);
            QRectF rect = a->frameBoundingRect(textFrame);

            QTextBlock block = textFrame->firstCursorPosition().block();
            engine.setCurrentLine(block.layout()->lineForTextPosition(pos - block.position()));
            engine.addTextObject(rect.topLeft(), format, QQuickTextNodeEngine::Unselected, textDocument,
                                 pos, textFrame->frameFormat().position());
        } else {
            QTextFrame::iterator it = textFrame->begin();

            while (!it.atEnd()) {
                Q_ASSERT(!engine.currentLine().isValid());

                QTextBlock block = it.currentBlock();
                engine.addTextBlock(textDocument, block, position, textColor, anchorColor, selectionStart, selectionEnd);
                ++it;
            }
        }
    }

    engine.addToSceneGraph(this, style, styleColor);
}