How can I refresh keycode to keysym mapping?

[Julien Cristau]

On Wed, 2009-04-08 at 13:30 +0800, Edward wrote:
> Hi all,
>  
> I want to get keysym with XKeycodeToKeysym method, but I found when I change keyboard layout using setxkbmap –layout 
> in another process, The XKeycodeToKeysym return the old layout keysym.
>  
> For example:
> Firstly, I run “setxkbmap –
> layout us”. I get “z” for XKeycodeToKeysym(disply, 52,0), then I run “setxkbmap –layout de” in 
> another process I also get “z” for XKeycodeToKeysum(display, 52,0). I think it should return “y”. It seems that I omit to update 
> key mapping, but I don’t know how to update it immediately in my code. 

As a first guess, make sure the app listens for MappingNotify, and calls
XRefreshKeyboardMapping() when it gets that.

Cheers,
Julien