Ok, I will try to find how to configure the keyboard remap in /etc
directories, it seems that not easy to do.
On Thu, Sep 29, 2016 at 11:56:29PM -0700, Adam Williamson wrote:
> On Sun, 2016-09-25 at 13:44 -0500, Bowen Wang wrote:
> > Hi Adam,
> > I have solved the keyboard remap problem. I will post my solution here.
> > I used to use the xmodmap, but it doesn't work in Wayland anymore. So I dig
> > into the xkb, I found two webpages particularly helpful.
> > https://wiki.archlinux.org/index.php/X_KeyBoard_extension
> > http://www.charvolant.org/~doug/xkb/html/index.html
> > After reading these webpages, I have solved my problem. But my solution has
> > its limits, I think it can only handle keyboard remap, but if you want to
> > add some more advanced stuff on it, I don't think it will work.
> > To remap the keys, go to the directory:
> > /usr/share/X11/xkb/keycodes/
> > The files are mappings from key code that sent from keyboard hardware and
> > the key names that actually prcoessed by the X system. For example,
> > <LALT>=64
> > This means that when X system received the keycode 64 from the keyboard, I
> > will map it to the left alt key in the X system, and sent <LALT> to other
> > programs in X to get the functions about that key. So the solution is
> > pretty simple, suppose that you want to swap Left Ctrl and Left Alt, the
> > original configuration file is like this:
> > <LALT>=64
> > <LCTL>=37
> > What you need to do is just change it into:
> > <LALT>=37
> > <LCTL>=64
> > then restart the laptop.
> Glad you figured something out! However, you will probably want to
> research a bit further.
> As a general rule, it's almost never correct to make a local
> configuration modification by editing a file in /usr . Files under /usr
> are usually owned by distribution packages and changes to them will not
> be preserved when the package is updated. So in this case, we can see:
> [adamw@adam tmp]$ rpm -qf /usr/share/X11/xkb/keycodes/evdev
> that file is owned by the xkeyboard-config package, and whenever that package gets an
update, your edits to it will be overwritten.
> If you keep researching on xkb, you should find a way to make your changes in a file
under /etc (where system-wide local configuration is stored, by convention) or your home
directory (where user-specific location configuration is stored).
> Good luck!
> Adam Williamson
> Fedora QA Community Monkey
> IRC: adamw | Twitter: AdamW_Fedora | XMPP: adamw AT happyassassin . net
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