linebender / linebender/druid

The window flickers at startup on Windows

Open
#2,054 1 comment 0 reactions 0 assignees View on GitHub

Nobody has claimed this yet.

Dominant language
Rust
Stars
9.7k
Forks
565
PR merge metrics
No merged PRs in 30d

Description

OS: Windows 10 21H2
Druid: https://github.com/linebender/druid#8d829c5e

The window sometimes flickers at startup on Windows 10, especially when the background color is similar to the window's, check the attached gif.
![flicker3](https://user-images.githubusercontent.com/44153489/143730751-202aa2f4-1782-49bb-9c66-55d2aa9d2b65.gif)

The window is created by a simple project, like the hello example:
[test2.zip](https://github.com/linebender/druid/files/7612865/test2.zip)

Remember to run it with the dark VS Code in the background.

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by reproducing the issue with the provided simple project or hello example on Windows 10 21H2, using dark VS Code in the background as described. Compare startup behavior with different background colors and use the attached GIF as the symptom reference. Done means the window no longer flickers during startup.

Written by the indexing model from the issue text.

Assessment

Tech stack
rust
Domain
desktop, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
35/100

Get new issues in your inbox

A short digest of beginner-friendly GitHub issues.