id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
57	Implement widget masks	Dmitry A. Kuminov		This is QWidgetPrivate::setMask_sys() which is used to create non-rectangular widgets. Not marking it as blocker since it's quite rarely used in real applications.	enhancement	new	major		QtGui	4.5.1 Beta 1	low