/*!
\brief Remove some text
\param line target line
\param pos target text position within line
\param length length of the text to remove
This helper method is provided so that subclasses may actually
modify the document contents without using private API.
*/
void QDocumentCommand::removeText(int line, int pos, int length)
{
if ( !m_doc )
return;
QDocumentPrivate *pd = m_doc->impl();
QDocumentLineHandle *h = pd->m_lines.at(line);
if ( !h || !length )
return;
h->lockForWriteText();
h->textBuffer().remove(pos, length);
h->shiftOverlays(pos, -length);
h->unlock();
}
/*!
\brief Insert some text
\param line target line
\param pos target text position within line
\param s text to insert
This helper method is provided so that subclasses may actually
modify the document contents without using private API.
*/
void QDocumentCommand::insertText(int line, int pos, const QString& s)
{
if ( !m_doc )
return;
QDocumentPrivate *pd = m_doc->impl();
QDocumentLineHandle *h = pd->m_lines.at(line);
if ( !h )
return;
h->lockForWriteText();
h->textBuffer().insert(pos, s);
h->shiftOverlays(pos, s.length());
h->unlock();
}
