musescore/MuseScore

Cannot enter Japanese (and possibly Chinese) on ChromeOS

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#27,459 opened on Mar 30, 2025

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UX/interactioncommunityhelp wantedneeds reviewos: linux

Description

Issue type

UX/Interaction bug (incorrect behaviour)

Description with steps to reproduce

  1. Install MuseScore on ChromeOS in Crostini
  2. switch input language to Japanese using English keyboard
  3. Attempt to type in the title and see error (English words get entered instead of Japanese and the IME window does not appear)

Expected behavior: IME window should appear and Japanese should be typed instead of English The attached video shows it working in the system search bar

Supporting files, videos and screenshots

https://github.com/user-attachments/assets/0bc4ea08-fb1c-4b5b-a69a-f2a2f0bc6d6c

What is the latest version of MuseScore Studio where this issue is present?

4.5.1

Regression

I was unable to check

Operating system

ChromeOS 134.0.6698.130 (arm64)

Additional context

Chinese input method with ibus framework works on Pop_os with GNOME desktop on Musescore Studio 4.5.1

Checklist

  • This report follows the guidelines for reporting bugs and issues
  • I have verified that this issue has not been logged before, by searching the issue tracker for similar issues
  • I have attached all requested files and information to this report
  • I have attempted to identify the root problem as concisely as possible, and have used minimal reproducible examples where possible

Contributor guide

Tech stack
cpp
Domain
desktopinternationalization
Issue type
bug
DifficultyEstimated implementation difficulty for a new contributor, from 1 for very small changes to 5 for expert-level work.
4
Estimated timeA rough time range for an experienced contributor to investigate, implement, test, and prepare a pull request.
1-2 days
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
Qt input method frameworkChromeOS Crostini environmentibus framework basics
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
30
Research direction
Investigate how MuseScore handles input method events on Linux, particularly under ChromeOS Crostini. Examine the Qt platform plugin code and the text input widget implementations (likely QTextEdit/QLineEdit). Look for any platform specific workarounds or missing IME support. Review existing issues and comments for clues about the root cause.