[Bug 21379] File open dialog is extremely slow

[wine-bugs at winehq.org]

http://bugs.winehq.org/show_bug.cgi?id=21379


Nikolay Sivov <bunglehead at gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
          Component|-unknown                    |comctl32




--- Comment #3 from Nikolay Sivov <bunglehead at gmail.com>  2010-01-15 16:21:08 ---
(In reply to comment #2)
> commit c2a7535e9d112989abe687255b4f0da9a597678e
> Author: Nikolay Sivov <bunglehead at gmail.com>
> Date:   Wed Dec 9 15:17:12 2009 +0300
> 
>     comctl32/listview: Update item width every time new item is inserted.
> 
>     This prevents retaining previously stored width and unexpected item
>     displaying collapsing with ending ellipsis.
> 

Could be a cause indeed. With this patch a whole loop executed at each insert.
I think a kind of marking item dimensions dirty (to delay recalculation when
it's time to paint) could be a solution.

Did you try to revert it?

P.S. Using report mode should be faster actually.

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