Method completionPrefix

lib/QCodeEditor/src/internal/QCodeEditor.cpp:968–989

}

QString QCodeEditor::completionPrefix() const
{
  const auto cursor = textCursor();
  const auto blockText = cursor.block().text();
  const int end = cursor.positionInBlock();

  int start = end;
  while (start > 0)
  {
    const QChar ch = blockText[start - 1];
    if (!ch.isLetterOrNumber() && ch != '_' && ch != '$' && ch != '.')
      break;

    --start;
  }

  auto prefix = blockText.mid(start, end - start);
  while (prefix.startsWith('.'))
    prefix.remove(0, 1);

  return prefix;
}