[maemo-developers] Mapping the N900 keyboard?

[From: Faheem Pervez]

On 11/16/09, Kimmo Hämäläinen <kimmo.hamalainen at nokia.com> wrote:
> On Mon, 2009-11-16 at 02:03 +0100, ext Qole wrote:
>> I am still hoping for some more help with remapping the N900 keyboard
>> (see quoted message below).
>>
>> I have come across a problem I believe is related, and it is much more
>> urgent for me to identify and fix the problem.
>>
>> When I start a nested Xephyr X Server on the N900, the desktop
>> environment that I run in that X Server (LXDE, on DISPLAY :1) does not
>> seem to have access to the keyboard. No keyboard presses are passed to
>> DISPLAY :1 at all. When I press the key combination to get to the
>> Dashboard (CTRL-Backspace), I am taken to the Dashboard, which
>> suggests that maybe Hildon desktop is not "letting go" of the
>> keyboard.
>
> hildon-desktop does not ever grab the keyboard. It only grabs some
> specific key combinations, such as that ctrl+backspace.
>
>> I have tried using xkbcomp as described below to copy the keyboard
>> mapping to display :1, but it doesn't help.
>
> Does 'xev' report any key events?
>

xev won't work on the N900 by default for exactly the same reason
qole's LXDE stuff isn't working:
https://bugs.maemo.org/show_bug.cgi?id=5987
> -Kimmo
>

Best Regards,
Faheem
>>
>> Any help or suggestions?
>>
>> On Tue, Nov 10, 2009 at 9:23 PM, Qole <qole.tablet at gmail.com> wrote:
>>         Now that the N900 has been released, I will post this question
>>         on maemo-developers, in the hopes that some Nokia devs can
>>         help me here.
>>
>>         I would like to know how to remap the keyboard on the N900.
>>         I've received some help from Marius Gedminas, as you will see
>>         below, but I'd like to know how to map the keyboard
>>         permanently, without having to run xkbcomp every time.
>>
>>         Here is the help that I've received so far:
>>
>>         On Sun, Oct 25, 2009 at 4:23 AM, Marius Gedminas
>>         <marius at pov.lt> wrote:
>>
>>
>>
>>                 I've had partial success by doing this:
>>
>>                  $ xkbcomp :0 default.xkb
>>                  $ vi default.xkb
>>
>>                 comment out the two rules that cause syntax errors:
>>
>>                 //  interpret AccessX_Enable+AnyOfOrNone(all) {
>>                 //      action= LockControls(controls=);
>>                 //  };
>>
>>                 //  interpret MouseKeys_Accel_Enable+AnyOfOrNone(all)
>>                 {
>>                 //      action= LockControls(controls=);
>>                 //  };
>>
>>                 Now you can restore the settings back by running
>>
>>                  $ xkbcmp default.xkb :0
>>
>>                 if you screw up and end up with a nonfunctional
>>                 keyboard.
>>
>>                 Next
>>
>>                  $ cp default.xkb mg.xkb
>>                  $ vi mg.xkb
>>
>>                    key <RGHT> {
>>                        type= "FOUR_LEVEL",
>>                        symbols[Group1]= [       Right,       Right,
>>                 Tab,       Tab ]
>>                    };
>>
>>                  $ xkbcomp mg.xkb :0
>>
>>                 and now Fn+Right arrow is a Tab key.
>>
>>                 Sadly I don't know enough about xkbcomp to see if it's
>>                 possible to make
>>                 it load incomplete maps on top of the current
>>                 configuration, just to
>>                 update a few symbols without replicating the full
>>                 configuration.
>>
>>                 > None of the changes I make
>>                 to /usr/share/X11/xkb/symbols/nokia_vndr/rx-51
>>                 > have any effect (yes I reboot after changing the
>>                 file).
>>
>>
>>                 Maybe the files in /var/cache/xkb contain precompiled
>>                 versions of those?
>>
>>                 I'm not adventurous enough to go and start editing
>>                 files in /usr/.
>>                 Although creating a new symbols file in there and
>>                 loading it on top of
>>                 the defaults with setxkbmap ought to maybe work...
>>
>>                 Marius Gedminas
>>
>>         (I have already replied with the following:
>>
>>         Replace
>>                type= "FOUR_LEVEL",
>>                symbols[Group1]= [       Right,       Right,       Tab,
>>         Tab ]
>>
>>         with
>>                type= "PC_FN_LEVEL2",
>>                symbols[Group1]= [       Right,       Tab ]
>>
>>
>>         and you will retain the ability to highlight text with shift-
>>         right arrow.)
>>
>>
>>         --
>>         enthusiast, n. "One whose mind is wholly possessed and heated
>>         by what engages it; one who is influenced by a peculiar fervor
>>         of mind; an ardent and imaginative person."
>>
>>
>>
>>
>> --
>> enthusiast, n. "One whose mind is wholly possessed and heated by what
>> engages it; one who is influenced by a peculiar fervor of mind; an
>> ardent and imaginative person."
>
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