C++ (Cpp) QTextBlock示例

示例#1

文件： codeeditor.cpp 项目： MichaelJE/Clips

void CodeEditor::mouseMoveEvent(QMouseEvent* event)
{
    QTextBlock block = findBlockByY(event->pos().y());

    QRect collapseRect;

    if (block.isValid()) {
        QRectF    rect = blockBoundingGeometry(block).translated(contentOffset());
        QTextLine line = block.layout()->lineAt(0);

        collapseRect = QRect(rect.x() + line.rect().x() + line.naturalTextWidth() + FONTWIDTH * 2,
                             rect.y() + 2, FONTWIDTH * 6, line.height() - 4);
    }

    int state = block.userState();

    if (!(state & Error) && state & Folded && collapseRect.contains(event->pos())) {
        pointedBlock = block;

        viewport()->setCursor(Qt::PointingHandCursor);

        QString str;

        while ((block = block.next()).isValid() && !block.isVisible()) {

            if (str.count() > 1)
                str += "\n";

            if (block.blockNumber() - pointedBlock.blockNumber() > 50) {
                str += "..."; // "\n...";
                break;
            }

            str += block.text();
        }

        QToolTip::showText(event->globalPos(), str, this);
    } else {
        pointedBlock = QTextBlock();
        viewport()->setCursor(Qt::IBeamCursor);
    }

    QPlainTextEdit::mouseMoveEvent(event);
}

示例#2

文件： qtextobject.cpp 项目： muromec/qtopia-ezx

/*!
    Returns the current block the iterator points to. If the iterator
    points to a child frame, the returned block is invalid.

    \sa currentFrame()
*/
QTextBlock QTextFrame::iterator::currentBlock() const
{
    if (!f)
        return QTextBlock();
    return QTextBlock(f->docHandle(), cb);
}

示例#3

文件： babstractfiletype.cpp 项目： ololoepepe/BeQt

QTextBlock BAbstractFileType::currentBlock() const
{
    return d_func()->highlighter ? d_func()->highlighter->currentBlock() : QTextBlock();
}