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Chained dead keys keys are not supported #5866
Description
What Operating System(s) are you seeing this problem on?
Windows
Which Wayland compositor or X11 Window manager(s) are you using?
No response
WezTerm version
20240722-080956-7e8fdc11
Did you try the latest nightly build to see if the issue is better (or worse!) than your current version?
Yes, and I updated the version box above to show the version of the nightly that I tried
Describe the bug
I’m using Ergo‑L as layout and it has chained dead keys: the [O] (I note Qwerty key between brackets) key is a dead key and in this state, some keys are dead keys as well.
ex: [O][,][a] gives α but in Wezterm, pressing [O][,] I get ’g ([,] is g in ergo‑l) instead waiting for another key press.
Autohotkey recently solved similar issue: AutoHotkey/AutoHotkey@42f9e34
To Reproduce
Use ergo‑l and try to type the greek alpha character
Configuration
no configuration done
Expected Behavior
be able to type α using ergo‑l
Logs
No response
Anything else?
No response
Activity
Geobert commentedon Jul 28, 2024
On a side note, I’m currently getting acquainted with the code to solve that
Biganon commentedon Aug 4, 2024
Same problem here, with QWERTY Lafayette. No combination of
use_dead_keysanduse_ime,trueorfalse, solves the problem. The; :key (next toL) is used as a dead key, but pressing it instantly prints;in wezterm...Augustin82 commentedon Sep 1, 2024
Experiencing the same using https://ergol.org/ and its dead key (mapped on [o]).
brabalan commentedon Sep 9, 2024
I have the same problem on macos. The same key sequence works fine with the builtin terminal or with kitty.
Geobert commentedon Feb 4, 2025
culprit is here https://github.com/wez/wezterm/blob/b28bbbc4c8345197e433590c9ce50a7bf3ea5bc7/window/src/os/windows/window.rs#L2264
this scan for dead key but only managed dead keys on the main layer. If a dead key is behind another, it is not detected
artav4 commentedon Jul 29, 2025
Same with ergol but on wayland !
honnorat commentedon Aug 21, 2025
Any update on this issue ? Impossible for now to use QWERTY-lafayette with Wezterm 😕
bnjbvr commentedon Jul 14, 2026
Fwiw, #4991 fixes this one for me 👍 From a quick skim it seems the code path handling deadkey support for Wayland actually defers to the code path for X, in wezterm's source.