Re: Reloading keymap under DirectFB

[Tim Janik <timj imendio com>]

On Sun, 3 Sep 2006, Denis Oliver Kropp wrote:

> Attilio Fiandrotti schrieb:
> > Sven Neumann wrote:

> > > Why is reloading the keymap needed in the first place? I suggest that
> > > this is fixed in DirectFB instead of adding an API for the sole purpose
> > > of working around what appears to be a bug in DirectFB.
> >
> > In the graphical debian-installer, which is GTKDFB based, the user
> > chooses his native language at a early stage, and from that point on the
> > keymap must match the choosed language.
> > Manually reloading the keymap is an a acceptable workaround, but of
> > course having DFB automatically doing that would be a better option:
> > dok, could this be implemented in some future DFB release?
>
> I agree with Sven that the toolkit is not responsible for telling
> the input driver about an updated kernel keymap.

the toolkit handles this in the case of the X11 backend.

> The way of selecting a keymap is very specific to the underlying
> system, but how far is it supported via GDK at all? How does Gnome
> change the keymap? Are all GTK+ instances notified about a switch to
> flush certain states or cached information?

X11 has it's own mechanism for keymap changes, applications
receive a MappingNotify event upon such changes. you can grep
for gdk_keymap_.*_changed in the gdk sources to read up on the
related code portions and of course consult X11 docs.

> --
> Best regards,
>   Denis Oliver Kropp

---
ciaoTJ