Re: [paragui-users] Still the problem with self modifying listboxes (return of the newbie question).

[Guillaume Schmid]

Le lun 10/06/2002 à 18:50, Alexander Pipelka a écrit :
> Welcome back :))
yeahhh 5 weeks in Vietnam.....goooooooooood!
> 
> Ok. I fixed this in CVS.
It works!!!!
Thank you very mutch!

a++
Guillaume.
> I also added a sample app showing that its working (listbox.cpp).
> 
> Thanks
> 
> Alex
> 
> Am Mon, 2002-06-10 um 17.47 schrieb Guillaume Schmid:
> > Hello,
> > I just updated my cvs branch (devel-1-0) and tried again my small image
> > viewer app and still have the same problem.
> > 
> > My problem was (and still is) that I have a listboxes that show a dir
> > list. If you click on a subdir, I want to update the list. I have to
> > destroy every item and re-fill le this with updated content.
> > I handle this task into the EventSelectItem of the listbox but a mutex
> > has been locked before calling this function on the selected item and
> > will be free after. Problem, sice I destroy the item, the event managing
> > code cannot free it: boom.
> > 
> > Alexander told me that he removed the offending code but I still have
> > the problem.
> > Did I check out the right branch ? 
> > 
> > Thank you for your attention.
> > 
> > Here is my stack trace:
> > 
> > Program received signal SIGSEGV, Segmentation fault.
> > [Switching to Thread 1024 (LWP 13253)]
> > 0x402868cb in PG_Widget::ProcessEvent (this=0x40f62f3c,
> > event=0xbffff710, 
> >     bModal=false) at pgwidget.cpp:558
> > 558                         SDL_mutexV(my_internaldata->mutexProcess);
> > (gdb) p my
> > my_ObjectCounter  my_colorBorder    my_srfObject      my_text
> > my_SurfaceCache   my_internaldata   my_srfScreen      
> > (gdb) p my_internaldata 
> > $1 = (PG_WidgetDataInternal *) 0x0
> > (gdb) where
> > #0  0x402868cb in PG_Widget::ProcessEvent (this=0x40f62f3c,
> > event=0xbffff710, 
> >     bModal=false) at pgwidget.cpp:558
> > #1  0x40268be2 in PG_MessageObject::PumpIntoEventQueue
> > (event=0xbffff710)
> >     at pgmessageobject.cpp:354
> > #2  0x4025bc91 in PG_Application::RunEventLoop (data=0x40571fd8)
> >     at pgapplication.cpp:201
> > #3  0x4025bba9 in PG_Application::Run (this=0x40571fd8, threaded=false)
> >     at pgapplication.cpp:170
> > #4  0x0804e992 in UserInterface::Run (this=0x40571fd8) at gui.cc:48
> > #5  0x0804b1e7 in main (argc=1, argv=0xbffff844) at gui.hh:19
> > #6  0x403a5280 in __libc_start_main () from /lib/libc.so.6
> > (gdb) 
> > 
> > 
> > 
> > 
> > 
> > 
> > _______________________________________________
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> 
> 
> 
> 
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