[Bug 171991] New: kwidgetitemdelegate crash when QSortFilterProxyModel unhides filtered items

[Stefan Böhmann]

http://bugs.kde.org/show_bug.cgi?id=171991

           Summary: kwidgetitemdelegate crash when QSortFilterProxyModel
                    unhides filtered items
           Product: kdelibs
           Version: 4.1
          Platform: Compiled Sources
        OS/Version: Linux
            Status: NEW
          Severity: crash
          Priority: NOR
         Component: kdeui
        AssignedTo: kdelibs-bugs at kde.org
        ReportedBy: kde at hilefoks.org


Version:            (using Devel)
Compiler:          gcc 4.3.1 
OS:                Linux
Installed from:    Compiled sources

When I try to use KWidgetItemDelegate together with a QSortFilterProxyModel and
the filter unhides items KWidgetItemDelegate crash.

I thought it was a mistake in my one code but later I found that also (at
least) KNewStuff has the same issue. So either I do the same thinks wrong then
KNewStuff or I found a bug in KWidgetItemDelegate. 

How to Reproduce:
Open a KNewStuff dialog (I tried Plasma's "Get New Wallpaper" and KHangman's
"Get Words in New Language") and type some letters into the search field. Then,
after some items disappears, clear the search line -> crash.


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