void QTextDocumentPrivate::endEditBlock()
{
Q_Q(QTextDocument);
if (--editBlock)
return;
if (undoEnabled && undoState > 0)
undoStack[undoState - 1].block = false;
if (framesDirty)
scan_frames(docChangeFrom, docChangeOldLength, docChangeLength);
if (lout && docChangeFrom >= 0) {
if (!inContentsChange) {
inContentsChange = true;
emit q->contentsChange(docChangeFrom, docChangeOldLength, docChangeLength);
inContentsChange = false;
}
lout->documentChanged(docChangeFrom, docChangeOldLength, docChangeLength);
}
docChangeFrom = -1;
if (needsEnsureMaximumBlockCount) {
needsEnsureMaximumBlockCount = false;
if (ensureMaximumBlockCount()) {
// if ensureMaximumBlockCount() returns true
// it will have called endEditBlock() and
// compressPieceTable() itself, so we return here
// to prevent getting two contentsChanged emits
return;
}
}
while (!changedCursors.isEmpty()) {
QTextCursorPrivate *curs = changedCursors.takeFirst();
emit q->cursorPositionChanged(QTextCursor(curs));
}
contentsChanged();
if (blocks.numNodes() != lastBlockCount) {
lastBlockCount = blocks.numNodes();
emit q->blockCountChanged(lastBlockCount);
}
if (!undoEnabled && unreachableCharacterCount)
compressPieceTable();
}
int main() {
scan_frames(1, callback);
}