Method timerEvent

src/difftextwindow.cpp:870–923

}

void DiffTextWindow::timerEvent(QTimerEvent*)
{
    killTimer(d->m_delayedDrawTimer);
    d->m_delayedDrawTimer = 0;

    if(d->m_bMyUpdate)
    {
        qint32 fontHeight = fontMetrics().lineSpacing();

        if(d->m_selection.getOldLastLine().isValid())
        {
            LineRef lastLine;
            LineRef firstLine;
            if(d->m_selection.getOldFirstLine().isValid())
            {
                firstLine = std::min({d->m_selection.getOldFirstLine(), d->m_selection.getLastLine(), d->m_selection.getOldLastLine()});
                lastLine = std::max({d->m_selection.getOldFirstLine(), d->m_selection.getLastLine(), d->m_selection.getOldLastLine()});
            }
            else
            {
                firstLine = std::min(d->m_selection.getLastLine(), d->m_selection.getOldLastLine());
                lastLine = std::max(d->m_selection.getLastLine(), d->m_selection.getOldLastLine());
            }
            qint32 y1 = (firstLine - d->m_firstLine) * fontHeight;
            qint32 y2 = std::min(height(), (lastLine - d->m_firstLine + 1) * fontHeight);

            if(y1 < height() && y2 > 0)
            {
                QRect invalidRect = QRect(0, y1 - 1, width(), y2 - y1 + fontHeight); // Some characters in exotic exceed the regular bottom.
                update(invalidRect);
            }
        }

        d->m_bMyUpdate = false;
    }

    if(d->m_scrollDeltaX != 0 || d->m_scrollDeltaY != 0)
    {
        qsizetype newPos = d->m_selection.getLastPos() + d->m_scrollDeltaX;
        try
        {
            LineRef newLine = d->m_selection.getLastLine() + d->m_scrollDeltaY;

            d->m_selection.end(newLine, newPos > 0 ? newPos : 0);
        }
        catch(const std::system_error&)
        {
            d->m_selection.end(LineRef::invalid, newPos > 0 ? newPos : 0);
        }
        Q_EMIT scrollDiffTextWindow(d->m_scrollDeltaX, d->m_scrollDeltaY);
        killTimer(d->m_delayedDrawTimer);
        d->m_delayedDrawTimer = startTimer(50);
    }
}

void DiffTextWindow::resetSelection()
{