Method sizeHint

lib/QCodeEditor/src/internal/QLineNumberArea.cpp:30–57

}

QSize QLineNumberArea::sizeHint() const
{
  if (m_codeEditParent == nullptr)
  {
    return QWidget::sizeHint();
  }

  // Calculating width
  int digits = 1;
  int max = qMax(1, m_codeEditParent->document()->blockCount());
  while (max >= 10)
  {
    max /= 10;
    ++digits;
  }

#if QT_VERSION >= 0x050B00
  int space
      = 13
        + m_codeEditParent->fontMetrics().horizontalAdvance(QLatin1Char('9'))
              * digits;
#else
  int space
      = 13 + m_codeEditParent->fontMetrics().width(QLatin1Char('9')) * digits;
#endif

  return {space, 0};
}

void QLineNumberArea::setSyntaxStyle(QSyntaxStyle *style)
{