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

[Alexander Pipelka]

Welcome back :))

Ok. I fixed this in CVS.
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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