The rect of an empty widget (i.e. 0 width/height) will, after adjusting
by -1, be invalid as it will have a width/height of -1. In turn, calling
contains(p) on that rect can return true even though the rect is empty.
Fixes: QTBUG-131001
Pick-to: 6.8.1
Change-Id: I604f5942589f1c1079cae90bd0d3b104344d2c55
Reviewed-by: Volker Hilsheimer <volker.hilsheimer@qt.io>
Reviewed-by: David Faure <david.faure@kdab.com>
(cherry picked from commit 1731d8af741a0a6cc6cd293be4aef52103d0899b)
Reviewed-by: Qt Cherry-pick Bot <cherrypick_bot@qt-project.org>
4a27d0fe0a