From: Rusi <rustompmody@gmail.com>
To: help-gnu-emacs@gnu.org
Subject: Re: How bind "Super" key *all by itself* to a function?
Date: Mon, 19 Jan 2015 06:33:21 -0800 (PST) [thread overview]
Message-ID: <d28b6cbf-cc59-43bd-8c4c-7ebdbb38924b@googlegroups.com> (raw)
In-Reply-To: <mailman.18131.1421658484.1147.help-gnu-emacs@gnu.org>
On Monday, January 19, 2015 at 2:38:06 PM UTC+5:30, Yuri Khan wrote:
> [Damn Gmail. Its Send button is too near the "show quote" button and
> too high-contrast.]
>
> On Mon, Jan 19, 2015 at 1:35 PM, Rusi wrote:
>
> >> However, you can use XKB (in X) and/or loadkeys (in tty) to map the
> >> Windows key to produce a different keycode such as F13, and then bind
> >> that to any function you like.
> >
> > Do you have a simple howto on that? [XKB]
> > With xmodmap it was at least conceivable
> > Xkb is too much of a dragon
> >
> > eg Say I have a broken ~ key and I want to make F12 generate ~
>
> Not quite qualifies as "simple" but not very complicated.
>
> * Find the XKB data directory. [Normally, this is /usr/share/X11/xkb.]
> * In its "keycodes" subdirectory, create a file that is unlikely to be
> overwritten by a future version of XKB (e.g. by prefixing it with your
> initials). [Let's name it "rusi" for the sake of this example.]
> * In this file, paste the following:
>
> ===
> xkb_keycodes "f12tilde" {
> # remappings go here...
> };
>
> # you can have multiple remapping sections
> # and activate any subset thereof, just add more
> # xkb_keycodes "some_name" {
> # # ...
> # };
> ===
>
> Each remapping takes the form: <KEYNAME> = KEYCODE;
>
> Refer to the existing entries in the section "default xkb_keycodes
> "evdev"" for key names and codes.
>
> For keyname, find the name of the key you want to generate. In your
> case, it's <TLDE>.
>
> For keycode, find the numeric code of the key you want to remap. In
> your case, it's the code which is normally bound to <FK12>, namely,
> 96.
>
> So:
>
> ===
> <TLDE> = 96;
> ===
>
> * Now that you have a keycodes section of your own, make a
> corresponding option. In the rules/evdev file, find the following
> header:
>
> ===
> ! option = keycodes
> ===
>
> In that section, add something like:
>
> ===
> rusi:f12tilde = +rusi(f12tilde)
> ===
>
> Here, the form on the right refers to the keycodes filename and
> section, and the name on the left specifies the option name.
>
> * Next, you want your X server to pick up this option. You can do it
> system-wide or per-user; I'll describe the system-wide setup because I
> find it easier and less DE-specific.
> * In the /usr/share/X11/xorg.conf.d directory [or its equivalent on
> your system], create a uniquely named file [e.g.
> 11-rusi-keycodes.conf]:
>
> ===
> Section "InputClass"
> Identifier "Keyboard layouts"
> Driver "evdev"
> Option "XkbOptions" "rusi:f12tilde"
> Option "AutoServerLayout" "on"
> MatchIsKeyboard "on"
> MatchDevicePath "/dev/input/event*"
> EndSection
> ===
>
> In the XkbOptions line, refer to the option name you added to rules/evdev.
>
> Next time you boot X or plug in a keyboard, it should use your customization.
>
> You can check the current set of XKB options by executing the
> following command in a terminal emulator within an X session:
>
> $ setxkbmap -query
>
> ----
!WORKS!
So where does one get initiated into the school of black art?
ie how do I figure out what those incantations mean?
One of my problems is how to debug:
If some small thing goes wrong and it does not work... where to start looking?
>
> Legend has it that there is a possibility of using xkbcomp(1) on a
> user-specific configuration file, but I never learned that;
> system-wide is good enough for me.
>
> One caveat: whenever you update the package that contains the
> rules/evdev file, it may be overwritten and you might have to re-add
> your option line.
next prev parent reply other threads:[~2015-01-19 14:33 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-19 6:57 How bind "Super" key *all by itself* to a function? Chris Seberino
2015-01-19 7:16 ` Yuri Khan
[not found] ` <mailman.18124.1421651779.1147.help-gnu-emacs@gnu.org>
2015-01-19 7:35 ` Rusi
2015-01-19 8:25 ` Yuri Khan
2015-01-19 9:08 ` Yuri Khan
[not found] ` <mailman.18131.1421658484.1147.help-gnu-emacs@gnu.org>
2015-01-19 13:54 ` Rusi
2015-01-19 14:33 ` Rusi [this message]
2015-01-19 15:32 ` Yuri Khan
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