Re: [paragui-dev] shutdown deletes objects twice

[Alexander Pipelka]

Hi Martin,

Please check if the attached patch solves the problem.

Alex

Am Freitag, den 10.06.2005, 23:11 +0200 schrieb Martin Bickel:
> Hi,
> 
> I've discovered a serious bug in Paragui 1.1 devel branch and I don't
> know how to fix it.
> 
> The problem is that a PG_DropDown has an instance of a PG_ListBox named
> my_DropList , which is not a child of the PG_DropDown. So the
> PG_ListBox registers at the PG_Application.
> 
> When the PG_Application shuts down, it deletes all widgets. If it now
> happens that it deletes the PG_ListBox before it deletes the
> PG_DropDown, the PG_ListBox tries to delete the my_DropList a second
> time in its destructor. 
> 
> The same pattern is used in PG_MenuBar, so I expect it to also be
> affected.
> 
> I don't see any easy and light-weight solution to the problem and hope
> that you have one :-)
> 
> Martin
> 
> 
> 
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dropdown-fix.patch
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