/*!
Returns the reasons for the boundary finder to have chosen the current position as a boundary.
*/
QTextBoundaryFinder::BoundaryReasons QTextBoundaryFinder::boundaryReasons() const
{
if (!d)
return NotAtBoundary;
if (! isAtBoundary())
return NotAtBoundary;
if (pos == 0) {
if (d->attributes[pos].whiteSpace)
return NotAtBoundary;
return StartWord;
}
if (pos == length) {
if (d->attributes[length-1].whiteSpace)
return NotAtBoundary;
return EndWord;
}
const bool nextIsSpace = d->attributes[pos].whiteSpace;
const bool prevIsSpace = d->attributes[pos - 1].whiteSpace;
if (prevIsSpace && !nextIsSpace)
return StartWord;
else if (!prevIsSpace && nextIsSpace)
return EndWord;
else if (!prevIsSpace && !nextIsSpace)
return BoundaryReasons(StartWord | EndWord);
else
return NotAtBoundary;
}
bool Cursor::isLocationEquivalent(bool otherNotLocationEquivalent, CursorType otherType, bool otherIsAtBoundary,
Item* otherOwner)
{
if (otherNotLocationEquivalent || notLocationEquivalent() ) return false;
if (otherType != type() || otherType == BoxCursor) return false;
if (!otherIsAtBoundary && ! isAtBoundary()) return false;
if (owner() == otherOwner) return false;
if (!( owner()->isAncestorOf(otherOwner) && allowEquivalentCursorsAcrossBoundaries(owner(), otherOwner))
&& !(otherOwner->isAncestorOf(owner()) && allowEquivalentCursorsAcrossBoundaries(otherOwner, owner()) ) )
return false;
return true;
}
/*!
Returns the reasons for the boundary finder to have chosen the current position as a boundary.
*/
QTextBoundaryFinder::BoundaryReasons QTextBoundaryFinder::boundaryReasons() const
{
if (!d)
return NotAtBoundary;
if (! isAtBoundary())
return NotAtBoundary;
if (pos == 0) {
if (d->attributes[pos].whiteSpace)
return NotAtBoundary;
return StartWord;
}
if (pos >= length - 1) {
if (d->attributes[length-1].whiteSpace)
return NotAtBoundary;
return EndWord;
}
BoundaryReasons answer;
const bool nextIsSpace = d->attributes[pos + 1].whiteSpace;
const bool prevIsSpace = d->attributes[pos - 1].whiteSpace;
if (d->attributes[pos].whiteSpace)
answer = EndWord;
else if (!prevIsSpace) {
answer = StartWord;
answer |= EndWord;
}
if (prevIsSpace)
answer |= StartWord;
if (nextIsSpace)
answer |= EndWord;
if (answer == 0) {
answer = StartWord;
answer |= EndWord;
}
return answer;
}
