Re: [Xen-devel] [RFC] keymap support for PVFB

["Junko Ichino" <ichino.junko@xxxxxxxxxxxxxx>]

Hi Markus,


> 1. On the same machine and X display that you use to run the VNC
>   viewer: use xev to figure out key symbol and scan code.
>
> 2. Instrument the vncfb backend to display the key symbol received by
>   on_kbd_event() and the Linux input layer key code passed to the
>   frontend.
>
> 3. Instrument the frontend to display the key symbol received from the
>   backend and stuffed into the input layer (input_handler() in
>   xenkbd.c).
>
> 4. In the guest, with the X display on the PVFB: use xev to figure out
>   key symbol and scan code.
I tested. 
The result is as follows. 
("\" When inputting it. )

1.               2.                 3.                   4.
keycode/keysym   keycode/scancode   event->key.keycode   keycode/keysym

  133 / 0x5c      92(0x5c)/ 115            115             176 /  0x0
  211 / 0x5c


I thought that conversion was something necessary again. 
Then, I saw atkbd.c again. 
When I saw atkbd.c before, I thought that I used only atkbd_set2_keycode. 
However, not only atkbd_set2_keycode but atkbd_unxlate_table was used 
in practice.
Then, I put the same conversion in vncfb.c. 
I was able to input "\". 

Thanks,
-
Junko Ichino




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