emilk/egui_plot

Demo gallery: show colored source code

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#173 opened on Nov 26, 2025

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demo-gallerygood first issue

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Description

The examples/ are structured in a way that app.rs file should show the most important bits about the example. We can directly show also the source code in the gallery! It would be nice to do this with syntax highlighting.

Contributor guide

Research direction
Investigate how to use a Rust syntax highlighting library (e.g., syntect) to render source code with colors in egui, then integrate it into the example gallery. Look at egui's text rendering capabilities and how to apply custom colors.
Tech stack
rust
Domain
documentation
Issue type
Feature
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.
1-2 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
Rust
Newbie friendlinessA 1-100 score estimating how approachable this issue is for first-time contributors.
65