# gpui: Add support for observing window appearance \(\#7294\) · gitcafe/zed

[View on GitCafe](https://git.cafe/gitcafe/zed/commit/115f0672fb4c67675e46d1fd99d4e4489c3672de)

Repository: [gitcafe/zed](https://git.cafe/gitcafe/zed)

Visibility: public

Requested revision: 115f0672fb4c67675e46d1fd99d4e4489c3672de

Requested commit: 115f0672fb4c67675e46d1fd99d4e4489c3672de

Commit: 115f0672fb4c67675e46d1fd99d4e4489c3672de

Tree: 6ca834b7e4318617c5f8abca102ebd0eab7ba43d

Author: Marshall Bowers

Committer: GitHub

## Message

```
gpui: Add support for observing window appearance (#7294)

This PR adds support to GPUI for observing when the appearance of a
window changes.

Based on the initial work done in
https://github.com/zed-industries/zed/pull/6881.

Release Notes:

- N/A
```

## Parents

- [1f6bd6760fec123000321096819d211d8bd4bed4](https://git.cafe/gitcafe/zed/commit/1f6bd6760fec123000321096819d211d8bd4bed4?format=markdown)

[Source at this commit](https://git.cafe/gitcafe/zed/tree/115f0672fb4c67675e46d1fd99d4e4489c3672de?format=markdown)