56 lines
1.7 KiB
Markdown
56 lines
1.7 KiB
Markdown
---
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layout: post
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title: "Permanent Remap Keys in X11"
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date: 2013-10-16 10:40
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comments: true
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categories:
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- X11
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- KBD
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- evdev
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- linux
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- keyboard
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description: "Using evdev_key_remap to globally remap keys in x11"
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---
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Because my shift key got broken, I remapped Caps Lock to Shift using xmodmap:
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```
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remove Lock = Caps_Lock
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keysym Caps_Lock = Shift_L
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add Shift = Shift_L
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```
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However these settings got sometimes lost. (ex: after the driver was reloaded after suspend).
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Finally I found event_key_remap patch from [here](http://www.thenautilus.net/SW/xf86-input-evdev/en),
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which allows to permanently redefine keys in the xorg.conf.
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To apply the patch under archlinux simply install [xf86-input-evdev-remap](https://aur.archlinux.org/packages/xf86-input-evdev-remap/?setlang=de) from AUR:
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yaourt -S xf86-input-evdev-remap
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To track down the key, you want to remap use `xev` on the terminal.
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Just type the wanted keys a few times. The output will be something like
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the following:
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```
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KeyRelease event, serial 33, synthetic NO, window 0x1e00001,
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root 0x8e, subw 0x0, time 5672767, (611, 262), root:(613, 288),
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state 0x1, keycode 50 (keysym 0xffe1, Shift_L), same_screen YES
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XLookupString gives 0 bytes:
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XFilterEvent returns: False
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```
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The interesting value here is the `keycode`.
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Use this code to build your final xorg.conf.
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In my case this was:
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```
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#/etc/X11/xorg.conf.d/10-kb-layout.conf
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Section "InputClass"
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Identifier "Keyboard Defaults"
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MatchIsKeyboard "yes"
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Option "XkbLayout" "de" # Replace this with your layout
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Option "event_key_remap" "58=50" # Caps Lock Key = Shift
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EndSection
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```
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