mac trackpad can be hypersensitive while typing due to spurious touch events turning into focus events, for delegate editors of tree/table views

When typing directly on a mac book laptop, your palms incidentally hit the trackpad, creating spurious touch events. When you are editing items in a QTreeView or QTableView with the standard delegate editor (QLineEdit), these spurious touch events get turned into focus events that interrupt your typing (the delegate editor loses focus).

turning off WA_AcceptTouchEvents in the window where the view lives does not fix the problem. nor does setting Qt::AA_SynthesizeMouseForUnhandledTouchEvents app attribute to false.