`request_anim_frame()` prevents redrawing in multi-window
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- Dominant language
- Rust
- Stars
- 9.7k
- Forks
- 565
- PR merge metrics
- No merged PRs in 30d
Description
I have a custom widget that has an animation. After opening two windows with it inside, I found only the focused one was redrawn. The other ones won't redraw even if there's a data change. After deleting `request_anim_frame()`, it would redraw if there's a data change, but as a result, it's impossible for me to update my animation. Why would this happen? Is multi-window simply just doesn't supports animation or are there any options for me to enable it?
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
No source file or test is named. Start by reproducing the two-window custom-widget case with request_anim_frame() and trace how redraw requests are handled for focused and unfocused windows. Done means identifying the cause and establishing whether multi-window animation is supported or what change is needed.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- desktop
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100