xtermjs/xterm.js

Scandinavian keyboard layout can't handle input tilde (~)

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#2,151 opened on May 31, 2019

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area/imehelp wantedtype/bug

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Description

To type ~ with Finnish/Swedish keyboard I have to press hotkey alt+^: image

After that it shows something similar to ~ but right after when I press any other character (except Enter) it will erase "pre-tilde" symbol. Press Enter "converts" to normal ~ and nothing more (without real Enter).

I checked how this works with vanilla JS and it seems something wrong at browser-level: image

Is it fixable? Wdyt?

Related bugs:

https://github.com/xtermjs/xterm.js/issues/174

Details

  • Browser and browser version: Chrome (latest)
  • OS version: MacOS X (latest)
  • xterm.js version: 3.14.0

Steps to reproduce

  1. Add support of Finnish keyboard in your OS
  2. Try to use ~ from keyboard

Contributor guide

Research direction
Investigate how keyboard input is handled for dead keys like tilde in Scandinavian layouts. Focus on the keydown/keypress event processing in xterm.js, especially the handling of compose sequences.
Tech stack
typescriptjavascript
Domain
frontendcli
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
3
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-3 hours
Activity statusHow available the issue appears right now: fresh, active, stale, blocked, or waiting on maintainer input.
Active
ClarityHow clearly the issue explains the expected change, acceptance criteria, and next step.
Clear
Prerequisites
None
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60