Method mousePressEvent

apps/lib/diff/difflinenumarea.cpp:205–219

}

void LineNumArea::mousePressEvent(QMouseEvent *e)
{
    auto pos = e->pos();
    auto r = rect();
    r.setLeft(lineNumAreaWidth());
    if (!r.contains(pos)) {
        QWidget::mousePressEvent(e);
        return;
    }

    int block = textEdit->cursorForPosition(pos).block().blockNumber();
    if (textEdit->isHunkLine(block)) {
        textEdit->toggleFoldHunk(block);
    }
}

void LineNumArea::wheelEvent(QWheelEvent *e)
{