`request_anim` invalidates the entire window
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architecture
- Dominant language
- Rust
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Description
Once #817 is merged, we'll have support for partial invalidation. However, request_anim doesn't make use of it yet. This can be seen in druid/examples/invalidation.rs, where the whole window gets repeatedly invalidated while the scrollbar is fading out.
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start with druid/examples/invalidation.rs and trace the request_anim path, then read the partial-invalidation work from #817. Run the example to observe the scrollbar fade and identify the invalidated region. Done means request_anim uses partial invalidation so the entire window is no longer repeatedly invalidated.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- frontend
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100