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Date: Fri, 03 Sep 2004 22:44:29 +0200
From: Fabrice Bellard <fabrice@bellard.org>
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Subject: Re: [Qemu-devel] Keyboard problem in qemu 0.6.0-2
References: <200409031738.i83HcZLj023692@tiger2.tools.intra>
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To: Juergen Keil <jk@tools.de>, qemu-devel@nongnu.org

I'll try to merge parts of the VNC patch to solve the problem (rdesktop 
keyboard mappings support).

Fabrice.

Juergen Keil wrote:
> 
>>I have similar problems with a Solaris10_x86 host running QEMU 0.6.0 
>>when displaying to the default Xsun X-Server at ':0.0' or forwarding to 
>>my SPARC machines running several Solaris versions.
>>
>>These problems make QEMU (any Guest OS's command line, any input fields) 
>>completely unusable.
> 
> 
> Yep, I noticed that problem, too. On a Solaris9_x86 host / Xsun.
> 
> 
> The root cause is probably the sdl.c:sdl_keyevent_to_keycode() subroutine
> that assumes X11 keycodes can be converted to PC scancodes by substracting
> 8 from the X11 keycode (for keycodes in the range 8..96):
> 
> 
> static uint8_t sdl_keyevent_to_keycode(const SDL_KeyboardEvent *ev)
> {
>     int keycode;
> 
>     keycode = ev->keysym.scancode;
> 
>     if (keycode < 9) {
>         keycode = 0;
>     } else if (keycode < 97) {
>         keycode -= 8; /* just an offset */
>     } else if (keycode < 158) {
>         /* use conversion table */
>         keycode = x_keycode_to_pc_keycode[keycode - 97];
>     } else {
>         keycode = 0;
>     }
>     return keycode;
> }
> 
> 
> I guess that (``scancode = keycode - 8'') only works with an XFree86 X11
> server.
> 
> 
> My current workaround is to compile sdl.c with CONFIG_SDL_GENERIC_KBD
> defined.  This enables a more accurate X11 keysym to PC scancode translation
> table.   Problem is, the translation table assumes a US keyboard layout.
> 
> 
> 
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