# Objective The exclusive zone and exclusive edge of a wlr-layer-shell surface could only be set once, at creation, through `LayerShellOptions`. This adds runtime setters so a live layer-shell window such as a panel can update them without being recreated. ## Solution Add two methods on `Window`: - `set_exclusive_zone` updates how much screen space the surface reserves. A positive value reserves that distance from the anchored edge, 0 lets the surface be moved out of others' exclusive zones, and -1 ignores reserved space and may extend under other surfaces. - `set_exclusive_edge` chooses which anchored edge the exclusive zone applies to, which is needed to disambiguate a corner-anchored surface. Setting an exclusive edge the surface is not anchored to is a fatal protocol error, so the edge is validated (it must be a single edge that the surface anchor contains) and an invalid edge is logged and ignored. The same validation now also guards the creation path. Both setters only commit the surface when a change actually applies, and are no-ops on non-layer-shell windows and on other platforms. This is where these 2 are documented: https://wayland.app/protocols/wlr-layer-shell-unstable-v1#zwlr_layer_surface_v1:request:set_exclusive_zone https://wayland.app/protocols/wlr-layer-shell-unstable-v1#zwlr_layer_surface_v1:request:set_exclusive_edge ## Testing - Verified with a small local layer-shell window (a top bar anchored TOP, LEFT, RIGHT) with buttons that call the setters at runtime - No automated test was added, since this calls through to the compositor. - Reviewers without a layer-shell capable compositor (for example GNOME/Mutter) cannot exercise this, as `zwlr_layer_shell_v1` is unavailable there, I tested this on the [Smithay](https://github.com/Smithay/smithay/) based compositor [niri](https://github.com/niri-wm/niri) ## Self-Review Checklist: - [x] I've reviewed my own diff for quality, security, and reliability - [x] Unsafe blocks (if any) have justifying comments - [x] The content adheres to Zed's UI standards ([UX/UI](https://github.com/zed-industries/zed/blob/main/CONTRIBUTING.md#uiux-checklist) and [icon](https://github.com/zed-industries/zed/blob/main/crates/icons/README.md) guidelines) - [ ] Tests cover the new/changed behavior - [x] Performance impact has been considered and is acceptable --- Release Notes: - N/A
Zed
Welcome to Zed, a high-performance, multiplayer code editor from the creators of Atom and Tree-sitter.
Installation
On macOS, Linux, and Windows you can download Zed directly or install Zed via your local package manager (macOS/Linux/Windows).
Other platforms are not yet available:
- Web (tracking discussion)
Developing Zed
Contributing
See CONTRIBUTING.md for ways you can contribute to Zed.
Also... we're hiring! Check out our jobs page for open roles.
Licensing
Zed source code is licensed primarily under GPL-3.0-or-later, with Apache-2.0 components where marked.
License information for third party dependencies must be correctly provided for CI to pass.
We use cargo-about to automatically comply with open source licenses. If CI is failing, check the following:
- Is it showing a
no license specifiederror for a crate you've created? If so, addpublish = falseunder[package]in your crate's Cargo.toml. - Is the error
failed to satisfy license requirementsfor a dependency? If so, first determine what license the project has and whether this system is sufficient to comply with this license's requirements. If you're unsure, ask a lawyer. Once you've verified that this system is acceptable add the license's SPDX identifier to theacceptedarray inscript/licenses/zed-licenses.toml. - Is
cargo-aboutunable to find the license for a dependency? If so, add a clarification field at the end ofscript/licenses/zed-licenses.toml, as specified in the cargo-about book.
Sponsorship
Zed is developed by Zed Industries, Inc., a for-profit company.
If you’d like to financially support the project, you can do so via GitHub Sponsors. Sponsorships go directly to Zed Industries and are used as general company revenue. There are no perks or entitlements associated with sponsorship.