[maemo-developers] Mapping the N900 keyboard?

[From: Kimmo Hämäläinen]

On Mon, 2009-11-16 at 08:39 +0100, ext Faheem Pervez wrote:
> 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

Seems to work after:
1) dsmetool -k /usr/bin/hildon-desktop
2) xev &
3) tap on the xev window

Or you could device a diabolical utility program that calls
XSetInputFocus for the xev window...

> > -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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