Method enableCompletion

qrenderdoc/Widgets/Extended/RDTextEdit.cpp:111–150

}

void RDTextEdit::enableCompletion()
{
  if(m_Completer)
    return;

  m_Completer = new QCompleter(this);
  m_Completer->setWidget(this);
  m_Completer->setCompletionMode(QCompleter::PopupCompletion);
  m_Completer->setCaseSensitivity(Qt::CaseInsensitive);
  m_Completer->setWrapAround(false);

  QObject::connect(
      m_Completer, OverloadedSlot<const QString &>::of(&QCompleter::activated),
      [this](const QString &str) {
        QTextCursor cur = textCursor();

        // if we're in the middle of a word, move to the end of it
        QString text = toPlainText();
        if(cur.position() > 0 &&
           (text[cur.position() - 1].isLetterOrNumber() ||
            m_WordCharacters.contains(text[cur.position() - 1])) &&
           (text[cur.position()].isLetterOrNumber() ||
            m_WordCharacters.contains(text[cur.position()])))
        {
          cur.movePosition(QTextCursor::EndOfWord);
        }

        // insert what's remaining of the word, after the prefix which is what's already there
        cur.insertText(str.right(str.length() - m_Completer->completionPrefix().length()));
        setTextCursor(cur);
      });
  m_Completer->popup()->installEventFilter(this);

  m_Completer->setCompletionRole(Qt::DisplayRole);

  m_CompletionModel = new QStringListModel(this);

  m_Completer->setModel(m_CompletionModel);
  m_Completer->setModelSorting(QCompleter::CaseInsensitivelySortedModel);
}

bool RDTextEdit::eventFilter(QObject *watched, QEvent *event)
{