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Support wlr-layer-shell-protocol.#803

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mtwebster merged 1 commit intolinuxmint:masterfrom
mtwebster:wlr-layer-shell-clean
Mar 2, 2026
Merged

Support wlr-layer-shell-protocol.#803
mtwebster merged 1 commit intolinuxmint:masterfrom
mtwebster:wlr-layer-shell-clean

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@mtwebster mtwebster commented Mar 2, 2026

Extracted from #784

This is primarily to support nemo-desktop and csd-background as gtk-layer-shell clients. Integrates these clients into the compositor stage.

Immediate benefits:

  • csd-background can run as a wayland client (currently uses xwayland), and its surfaces can be cloned 'for free' to be re-used in Cinnamon's screensaver, alt-tab, expo modes.
  • nemo-desktop can run as a wayland client (also currently xwayland) and be automatically contained in a monitor's workarea without relying on Cinnamon to inform it.

ref:
linuxmint/nemo#3684
linuxmint/cinnamon-settings-daemon#437
linuxmint/cinnamon#13614

Extracted from linuxmint#784

This is primarily to enable nemo-desktop and csd-background as to run
as gtk-layer-shell clients and integrates their windows into the
compositor stage.

Immediate benefits:
- csd-background can run as a wayland client (currently uses
  xwayland), and its surfaces can  be cloned 'for free' to be re-used
  in Cinnamon's screensaver, alt-tab, expo modes.
- nemo-desktop can run as a wayland client (also currently xwayland)
  and be automatically contained in a monitor's workarea without
  relying on Cinnamon to inform it.

- Remove existing never-used background code.
- Add new method to create per-monitor backgrounds.
- Add new method to access stage background actors.
@mtwebster mtwebster force-pushed the wlr-layer-shell-clean branch from 13dee47 to 297c238 Compare March 2, 2026 16:17
@mtwebster mtwebster merged commit 3f76365 into linuxmint:master Mar 2, 2026
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