Example #1
0
void TestDocumentLayout::placeAnchoredFrame()
{
    initForNewTest(QString());
    MockShape *picture = new MockShape();
    picture->setSize(QSizeF(100, 100));
    KTextAnchor *anchor = new KTextAnchor(picture);
    anchor->setOffset(QPointF(23, 45));
    QTextCursor cursor(doc);

    KInlineTextObjectManager *manager = new KInlineTextObjectManager();
    layout->setInlineTextObjectManager(manager);
    MockLayoutState *state = new MockLayoutState(doc);
    layout->setLayout(state);
    state->shape = shape1;
    QCOMPARE(doc->begin().text().length(), 0);
    manager->insertInlineObject(cursor, anchor);
    QCOMPARE(doc->begin().text().length(), 1);
    QCOMPARE(cursor.position(), 1);

    shape1->setPosition(QPointF(300, 300));
    layout->layout();
    QCOMPARE(picture->parent(), shape1);
    QCOMPARE(picture->position(), QPointF(23, 59.4));

    cursor.setPosition(0);
    cursor.insertText("foo"); // moves my anchors slightly to the right/down and gives line height
    layout->layout();
    QCOMPARE(picture->parent(), shape1);
    QPointF newPos = picture->position();
    QVERIFY(newPos.x() > 23);
    QVERIFY(newPos.y() > 45); // it adds the baseline now

    cursor.movePosition(QTextCursor::End);
    cursor.insertText("\nNew Line\nAnd another");

    layout->layout();
    QCOMPARE(picture->position(), newPos);

    QTextLayout *firstLineLayout = doc->begin().layout();
    QTextOption option = firstLineLayout->textOption();
    option.setAlignment(Qt::AlignHCenter);
    firstLineLayout->setTextOption(option);

    layout->layout();
    QTextLine first = doc->begin().layout()->lineAt(0);
    QVERIFY(first.isValid());
    QVERIFY(first.naturalTextRect().x() > 10);
    newPos.setX(newPos.x() + first.naturalTextRect().x()); // text is moved due to alignment
    QCOMPARE(picture->position(), newPos);

    anchor->setOffset(QPointF());
    anchor->setAlignment(KTextAnchor::Left);
    anchor->setAlignment(KTextAnchor::TopOfParagraph);
    layout->layout();
    // image is 100 wide, now centered in a parent of 200 so X = 50
    QCOMPARE(picture->position(), QPointF(50, 0));
}
Example #2
0
    void setContent(const ToolTipContent &data)
    {
        QString html;
        if (!data.mainText().isEmpty()) {
            html.append("<div><b>" + data.mainText() + "</b></div>");
        }
        html.append(data.subText());

        m_anchor.clear();
        m_document->clear();
        data.registerResources(m_document);
        if (!html.isEmpty()) {
            m_document->setHtml("<p>" + html + "</p>");
        }
        m_document->adjustSize();

        m_haloRects.clear();
        QTextLayout *layout = m_document->begin().layout();
        //layout->setPosition(QPointF(textRect.x(), textBoundingRect->y()));
        QTextLine line;
        for (int i = 0; i < layout->lineCount(); ++i) {
            line = layout->lineAt(i);

            // Add halo rect only when a non empty line is found
            if (line.naturalTextWidth()) {
                m_haloRects.append(line.naturalTextRect().translated(layout->position().toPoint()).toRect().translated(m_margin, m_margin));
            }
        }

        update();
    }
Example #3
0
QPainterPath Text::shape() const
      {
      QPainterPath pp;
#if 0
      for (QTextBlock tb = doc()->begin(); tb.isValid(); tb = tb.next()) {
            QTextLayout* tl = tb.layout();
            int n = tl->lineCount();
            for (int i = 0; i < n; ++i) {
                  QTextLine l = tl->lineAt(i);
                  QRectF r(l.naturalTextRect().translated(tl->position()));
                  r.adjust(-l.position().x(), 0.0, 0.0, 0.0);
                  pp.addRect(r);
                  }
            }
#endif
      return pp;
      }
void QQuickTextNodeEngine::addTextBlock(QTextDocument *textDocument, const QTextBlock &block, const QPointF &position, const QColor &textColor, const QColor &anchorColor, int selectionStart, int selectionEnd)
{
    Q_ASSERT(textDocument);
#ifndef QT_NO_IM
    int preeditLength = block.isValid() ? block.layout()->preeditAreaText().length() : 0;
    int preeditPosition = block.isValid() ? block.layout()->preeditAreaPosition() : -1;
#endif

    QVarLengthArray<QTextLayout::FormatRange> colorChanges;
    mergeFormats(block.layout(), &colorChanges);

    QPointF blockPosition = textDocument->documentLayout()->blockBoundingRect(block).topLeft() + position;
    if (QTextList *textList = block.textList()) {
        QPointF pos = blockPosition;
        QTextLayout *layout = block.layout();
        if (layout->lineCount() > 0) {
            QTextLine firstLine = layout->lineAt(0);
            Q_ASSERT(firstLine.isValid());

            setCurrentLine(firstLine);

            QRectF textRect = firstLine.naturalTextRect();
            pos += textRect.topLeft();
            if (block.textDirection() == Qt::RightToLeft)
                pos.rx() += textRect.width();

            const QTextCharFormat charFormat = block.charFormat();
            QFont font(charFormat.font());
            QFontMetricsF fontMetrics(font);
            QTextListFormat listFormat = textList->format();

            QString listItemBullet;
            switch (listFormat.style()) {
            case QTextListFormat::ListCircle:
                listItemBullet = QChar(0x25E6); // White bullet
                break;
            case QTextListFormat::ListSquare:
                listItemBullet = QChar(0x25AA); // Black small square
                break;
            case QTextListFormat::ListDecimal:
            case QTextListFormat::ListLowerAlpha:
            case QTextListFormat::ListUpperAlpha:
            case QTextListFormat::ListLowerRoman:
            case QTextListFormat::ListUpperRoman:
                listItemBullet = textList->itemText(block);
                break;
            default:
                listItemBullet = QChar(0x2022); // Black bullet
                break;
            };

            QSizeF size(fontMetrics.width(listItemBullet), fontMetrics.height());
            qreal xoff = fontMetrics.width(QLatin1Char(' '));
            if (block.textDirection() == Qt::LeftToRight)
                xoff = -xoff - size.width();
            setPosition(pos + QPointF(xoff, 0));

            QTextLayout layout;
            layout.setFont(font);
            layout.setText(listItemBullet); // Bullet
            layout.beginLayout();
            QTextLine line = layout.createLine();
            line.setPosition(QPointF(0, 0));
            layout.endLayout();

            QList<QGlyphRun> glyphRuns = layout.glyphRuns();
            for (int i=0; i<glyphRuns.size(); ++i)
                addUnselectedGlyphs(glyphRuns.at(i));
        }
    }

    int textPos = block.position();
    QTextBlock::iterator blockIterator = block.begin();

    while (!blockIterator.atEnd()) {
        QTextFragment fragment = blockIterator.fragment();
        QString text = fragment.text();
        if (text.isEmpty())
            continue;

        QTextCharFormat charFormat = fragment.charFormat();
        QFont font(charFormat.font());
        QFontMetricsF fontMetrics(font);

        int fontHeight = fontMetrics.descent() + fontMetrics.ascent();
        int valign = charFormat.verticalAlignment();
        if (valign == QTextCharFormat::AlignSuperScript)
            setPosition(QPointF(blockPosition.x(), blockPosition.y() - fontHeight / 2));
        else if (valign == QTextCharFormat::AlignSubScript)
            setPosition(QPointF(blockPosition.x(), blockPosition.y() + fontHeight / 6));
        else
            setPosition(blockPosition);

        if (text.contains(QChar::ObjectReplacementCharacter)) {
            QTextFrame *frame = qobject_cast<QTextFrame *>(textDocument->objectForFormat(charFormat));
            if (frame && frame->frameFormat().position() == QTextFrameFormat::InFlow) {
                int blockRelativePosition = textPos - block.position();
                QTextLine line = block.layout()->lineForTextPosition(blockRelativePosition);
                if (!currentLine().isValid()
                        || line.lineNumber() != currentLine().lineNumber()) {
                    setCurrentLine(line);
                }

                QQuickTextNodeEngine::SelectionState selectionState =
                        (selectionStart < textPos + text.length()
                         && selectionEnd >= textPos)
                        ? QQuickTextNodeEngine::Selected
                        : QQuickTextNodeEngine::Unselected;

                addTextObject(QPointF(), charFormat, selectionState, textDocument, textPos);
            }
            textPos += text.length();
        } else {
            if (charFormat.foreground().style() != Qt::NoBrush)
                setTextColor(charFormat.foreground().color());
            else if (charFormat.isAnchor())
                setTextColor(anchorColor);
            else
                setTextColor(textColor);

            int fragmentEnd = textPos + fragment.length();
#ifndef QT_NO_IM
            if (preeditPosition >= 0
                    && (preeditPosition + block.position()) >= textPos
                    && (preeditPosition + block.position()) <= fragmentEnd) {
                fragmentEnd += preeditLength;
            }
#endif
            if (charFormat.background().style() != Qt::NoBrush) {
                QTextLayout::FormatRange additionalFormat;
                additionalFormat.start = textPos - block.position();
                additionalFormat.length = fragmentEnd - textPos;
                additionalFormat.format = charFormat;
                colorChanges << additionalFormat;
            }

            textPos = addText(block, charFormat, textColor, colorChanges, textPos, fragmentEnd,
                                                 selectionStart, selectionEnd);
        }

        ++blockIterator;
    }

#ifndef QT_NO_IM
    if (preeditLength >= 0 && textPos <= block.position() + preeditPosition) {
        setPosition(blockPosition);
        textPos = block.position() + preeditPosition;
        QTextLine line = block.layout()->lineForTextPosition(preeditPosition);
        if (!currentLine().isValid()
                || line.lineNumber() != currentLine().lineNumber()) {
            setCurrentLine(line);
        }
        textPos = addText(block, block.charFormat(), textColor, colorChanges,
                                             textPos, textPos + preeditLength,
                                             selectionStart, selectionEnd);
    }
#endif

    setCurrentLine(QTextLine()); // Reset current line because the text layout changed
    m_hasContents = true;
}
QPainterPath TextEditorOverlay::createSelectionPath(const QTextCursor &begin, const QTextCursor &end,
                                                    const QRect &clip)
{
    if (begin.isNull() || end.isNull() || begin.position() > end.position())
        return QPainterPath();

    QPointF offset = m_editor->contentOffset();
    QRect viewportRect = rect();
    QTextDocument *document = m_editor->document();

    if (m_editor->blockBoundingGeometry(begin.block()).translated(offset).top() > clip.bottom() + 10
        || m_editor->blockBoundingGeometry(end.block()).translated(offset).bottom() < clip.top() - 10
        )
        return QPainterPath(); // nothing of the selection is visible


    QTextBlock block = begin.block();

    if (block.blockNumber() < m_editor->firstVisibleBlock().blockNumber() - 4)
        block = m_editor->document()->findBlockByNumber(m_editor->firstVisibleBlock().blockNumber() - 4);

    bool inSelection = false;

    QVector<QRectF> selection;

    if (begin.position() == end.position()) {
        // special case empty selections
        const QRectF blockGeometry = m_editor->blockBoundingGeometry(block);
        QTextLayout *blockLayout = block.layout();
        int pos = begin.position() - begin.block().position();
        QTextLine line = blockLayout->lineForTextPosition(pos);
        QRectF lineRect = line.naturalTextRect();
        int x = line.cursorToX(pos);
        lineRect.setLeft(x - m_borderWidth);
        lineRect.setRight(x + m_borderWidth);
        selection += lineRect.translated(blockGeometry.topLeft());
    } else {
        for (; block.isValid() && block.blockNumber() <= end.blockNumber(); block = block.next()) {
            if (! block.isVisible())
                continue;

            const QRectF blockGeometry = m_editor->blockBoundingGeometry(block);
            QTextLayout *blockLayout = block.layout();

            QTextLine line = blockLayout->lineAt(0);
            bool firstOrLastBlock = false;

            int beginChar = 0;
            if (!inSelection) {
                if (block == begin.block()) {
                    beginChar = begin.positionInBlock();
                    line = blockLayout->lineForTextPosition(beginChar);
                    firstOrLastBlock = true;
                }
                inSelection = true;
            } else {
//                while (beginChar < block.length() && document->characterAt(block.position() + beginChar).isSpace())
//                    ++beginChar;
//                if (beginChar == block.length())
//                    beginChar = 0;
            }

            int lastLine = blockLayout->lineCount()-1;
            int endChar = -1;
            if (block == end.block()) {
                endChar = end.positionInBlock();
                lastLine = blockLayout->lineForTextPosition(endChar).lineNumber();
                inSelection = false;
                firstOrLastBlock = true;
            } else {
                endChar = block.length();
                while (endChar > beginChar && document->characterAt(block.position() + endChar - 1).isSpace())
                    --endChar;
            }

            QRectF lineRect = line.naturalTextRect();
            if (beginChar < endChar) {
                lineRect.setLeft(line.cursorToX(beginChar));
                if (line.lineNumber() == lastLine)
                    lineRect.setRight(line.cursorToX(endChar));
                selection += lineRect.translated(blockGeometry.topLeft());

                for (int lineIndex = line.lineNumber()+1; lineIndex <= lastLine; ++lineIndex) {
                    line = blockLayout->lineAt(lineIndex);
                    lineRect = line.naturalTextRect();
                    if (lineIndex == lastLine)
                        lineRect.setRight(line.cursorToX(endChar));
                    selection += lineRect.translated(blockGeometry.topLeft());
                }
            } else { // empty lines
                const int emptyLineSelectionSize = 16;
                if (!firstOrLastBlock && !selection.isEmpty()) { // middle
                    lineRect.setLeft(selection.last().left());
                } else if (inSelection) { // first line
                    lineRect.setLeft(line.cursorToX(beginChar));
                } else { // last line
                    if (endChar == 0)
                        break;
                    lineRect.setLeft(line.cursorToX(endChar) - emptyLineSelectionSize);
                }
                lineRect.setRight(lineRect.left() + emptyLineSelectionSize);
                selection += lineRect.translated(blockGeometry.topLeft());
            }

            if (!inSelection)
                break;

            if (blockGeometry.translated(offset).y() > 2*viewportRect.height())
                break;
        }
    }


    if (selection.isEmpty())
        return QPainterPath();

    QVector<QPointF> points;

    const int margin = m_borderWidth/2;
    const int extra = 0;

    const QRectF &firstSelection = selection.at(0);
    points += (firstSelection.topLeft() + firstSelection.topRight()) / 2 + QPointF(0, -margin);
    points += firstSelection.topRight() + QPointF(margin+1, -margin);
    points += firstSelection.bottomRight() + QPointF(margin+1, 0);

    const int count = selection.count();
    for (int i = 1; i < count-1; ++i) {
#define MAX3(a,b,c) qMax(a, qMax(b,c))
        qreal x = MAX3(selection.at(i-1).right(),
                       selection.at(i).right(),
                       selection.at(i+1).right()) + margin;

        points += QPointF(x+1, selection.at(i).top());
        points += QPointF(x+1, selection.at(i).bottom());
    }

    const QRectF &lastSelection = selection.at(count-1);
    points += lastSelection.topRight() + QPointF(margin+1, 0);
    points += lastSelection.bottomRight() + QPointF(margin+1, margin+extra);
    points += lastSelection.bottomLeft() + QPointF(-margin, margin+extra);
    points += lastSelection.topLeft() + QPointF(-margin, 0);

    for (int i = count-2; i > 0; --i) {
#define MIN3(a,b,c) qMin(a, qMin(b,c))
        qreal x = MIN3(selection.at(i-1).left(),
                       selection.at(i).left(),
                       selection.at(i+1).left()) - margin;

        points += QPointF(x, selection.at(i).bottom()+extra);
        points += QPointF(x, selection.at(i).top());
    }

    points += firstSelection.bottomLeft() + QPointF(-margin, extra);
    points += firstSelection.topLeft() + QPointF(-margin, -margin);


    QPainterPath path;
    const int corner = 4;
    path.moveTo(points.at(0));
    points += points.at(0);
    QPointF previous = points.at(0);
    for (int i = 1; i < points.size(); ++i) {
        QPointF point = points.at(i);
        if (point.y() == previous.y() && qAbs(point.x() - previous.x()) > 2*corner) {
            QPointF tmp = QPointF(previous.x() + corner * ((point.x() > previous.x())?1:-1), previous.y());
            path.quadTo(previous, tmp);
            previous = tmp;
            i--;
            continue;
        } else if (point.x() == previous.x() && qAbs(point.y() - previous.y()) > 2*corner) {
            QPointF tmp = QPointF(previous.x(), previous.y() + corner * ((point.y() > previous.y())?1:-1));
            path.quadTo(previous, tmp);
            previous = tmp;
            i--;
            continue;
        }


        QPointF target = (previous + point) / 2;
        path.quadTo(previous, target);
        previous = points.at(i);
    }
    path.closeSubpath();
    path.translate(offset);
    return path;
}