Re: [Qemu-devel] Re: Qemu does not pass pressed caps lock to client

[Anthony Liguori]

On 02/12/2010 06:39 AM, Paolo Bonzini wrote:
>     /* There are two versions around of a Debian patch that changes the
>        way Caps Lock and Num Lock are handled.  The first version
>        by default sends only one of the KeyDown/KeyUp events, unless
>        SDL_DISABLE_LOCK_KEYS is present in the environment.  The second
>        version instead by default sends both events, unless
>        SDL_DISABLE_LOCK_KEYS is present and not empty.  This version
>        is the most commonly found (and a totally braindead idea).
>
>        Upstream instead supports SDL_NO_LOCK_KEYS which, if set to 1,
>        will generate all four events---which is what we want.  Luckily,
>        there is a combination of environment variable that will satisfy
>        all variant.  */
>
>     putenv ("SDL_DISABLE_LOCK_KEYS", "");
>     putenv ("SDL_NO_LOCK_KEYS", "1");
>
> Yes, I love Debian.

So basically, Debian carries a hacked version of SDL that changes the 
key press behaviour?

That's a Debian/Ubuntu bug.  Shame on them for changing the behaviour of 
a library API like that.

Regards,

Anthony Liguori

> Paolo