microsoft/Terminal

Alt-Gr issue (global one also affecting conhost, not just Windows Terminal)

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#3,019 opened on Oct 1, 2019

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Area-InputHelp WantedIssue-BugProduct-Conhost

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Description

Environment

Windows 10 Education, Build 18362.19h1_release_svc_19h2_rel.190621-1123 Windows Terminal version (if applicable): Latest build from revision 0ce08aff , i.e. after commit 33361698 (but it didn't work either before).

Any other software? -> Testing Mathematica 11.3 kernel, but also reproducible using Wolfram Engine (free DL at official website https://www.wolfram.com/engine/ )

Steps to reproduce

Just open math (or wolframscript when using Wolfram Engine) command and try to enter square brackets or other symbols that require pressing either AltGr or Ctrl-Alt on french keyboard layout.

Expected behavior

The square brackets should appear....

Actual behavior

... but they do not. See the screen-capture. The problem happens when using standard Conhost and also the OpenConsole.exe version. On the contrary, the square brackets are correctly transmitted to the math (or wolframscript) program when using MinTTY from Git4Windows.

image

Contributor guide

Research direction
Investigate how AltGr (Ctrl+Alt) key combinations are processed in the input handling code. Trace from raw input to the application. Compare with MinTTY's behavior.
Tech stack
cpp
Domain
desktop
Issue type
Bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
2
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
GitC++Windows API
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
60