ruffle-rs/ruffle

textField.restrict prevents Enter key from starting new line

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#23,453 opened on Apr 13, 2026

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Description

Describe the bug

Using textField.restrict will disable a text input field's default behaviour of starting a new line when the Enter key is pressed. This is inconsistent with Flashplayer's behaviour.

The issue seems to occur regardless of what is entered into restrict. These both trigger the bug: textField.restrict = "A-Za-z0-9" textField.restrict = ""

Expected behavior

Enter key should still start a new line.

Content Location

text bug.zip

Affected platform

Desktop app

Operating system

Windows 10

Browser

No response

Additional information

Tested in Desktop Ruffle.

Contributor guide

Research direction
Examine how textField.restrict interacts with newline handling in the Ruffle text input system.
Tech stack
rust
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
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
75