DO NOT delete QObjects, mmmkay?

Diego Iastrubni elcuco at
Thu Nov 8 21:32:34 GMT 2007

Aaron J. Seigo wrote:
> On Thursday 08 November 2007, Andreas Hartmetz wrote:
>> All in all I have fixed three or four crashes in various KDE modules where
>> QObjects were deleted while a signal/slot call involving that QObject was
>> going on.
> p.s. the usual solution when you need to have a QObject deleted is to call 
> deleteLater() on the object instead of delete'ing it with the C++ keyword.
> p.p.s. the QObject::destroyed(QObject*) signal can be very handy at times, 
> too.
Yes, but be warned, that signal is emitted *after* the QObject has been 
deleted. So, if you want to retrieve something out a "soon to be 
deleted" object, it will not help you as the parameter sent is a 
dangling pointer.

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