03e95c8b8c
The data_offer object should be invalidated when client loses keyboard focus. Otherwise in following scenario, it will become zombie object: start app1 -> copy text -> start app2 -> paste text -> close app1 -> paste again in app2 -> seg fault in qtwayland. The root cause is that when app2 takes focus the first time, data_device.data_offer event was sent to it from DataDevice::setFocus. When app1 is closed, the data source reference in data offer becomes invalid. so when trying to paste again in app2, segmentation faults Change-Id: I16a584e80fddaadd269b00cdf39eb405dd95b622 Task-number: QTBUG-41005 Reviewed-by: Giulio Camuffo <giulio.camuffo@jollamobile.com>