KDE/kdebase/workspace/plasma/applets/systemtray/protocols/fdo

[Casper Clemence]

That occurred to me. The difference is that method is not logically
equivilent to expressly placing the freeing functions since it creates
additional pointers to the resources. Of course the compiler might be
able to figure that out.

2009/5/28 Aaron J. Seigo <aseigo at kde.org>:
> On Thursday 28 May 2009, Casper Clemence wrote:
>> hmmm... there must be a design pattern that achieves this elegantly
>> with no extra overhead... maybe
>
> Pixmap bg = XCreatePixmap(display, clientWinId(), width(), height(), d-
>>attr.depth);
> XPixmapJanitor janitor(bg);
>
>
> XPixmapJanitor would do the necessary clean up in its dtor. whenever the
> method returns, janitor will fall out of scope, it's dtor will get run, the
> pixap will be freed.
>
> common pattern.
>
> --
> Aaron J. Seigo
> humru othro a kohnu se
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> KDE core developer sponsored by Qt Software
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