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feat(desktop): add the rofi launcher (task 0024)

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Add a rofi module to the desktop group, enabled by the aggregator.
It combines drun and window into one combi prompt, with calc and emoji
as further modes, bound on Super+R. A session menu built on the same
themed rofi is bound on Super+Shift+X, and every rofi -dmenu call
inherits the Stylix theme, so later utility menus reuse it for free.

Also give layer surfaces their own near-instant fade-in (layersIn and
fadeLayersIn), so the launcher appears quicker than the windows it
sits over.
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alexion
2026-07-22 15:52:21 -04:00
parent aca09d87a1
commit dbaaf2ee6c
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.claude/tasks/0024-rofi-launcher.md
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@@ -13,8 +13,22 @@ Structure it so it is reusable as the dmenu-style frontend for later utility men
## Acceptance criteria
- [ ] A rofi module exists in the desktop group and is enabled by the aggregator.
- [ ] rofi combines application-run, binary-run, and window-switch modes, plus math evaluation and emoji.
- [ ] rofi opens on `Super+R`.
- [ ] rofi is usable as a dmenu-style frontend for utility menus, and a power menu is provided through it.
- [ ] neogaia builds green under `nix flake check`.
- [x] A rofi module exists in the desktop group and is enabled by the aggregator.
- [x] rofi combines application-run, binary-run, and window-switch modes, plus math evaluation and emoji.
- [x] rofi opens on `Super+R`.
- [x] rofi is usable as a dmenu-style frontend for utility menus, and a power menu is provided through it.
- [x] neogaia builds green under `nix flake check`.
## Implementation Notes
- `rofi-wayland` no longer exists as a separate package: nixpkgs merged the Wayland fork into `pkgs.rofi` (now 2.0.0), and `rofi-emoji-wayland` into `rofi-emoji`.
The module uses the plain `pkgs.rofi`, which is the Wayland-capable build.
- The combined prompt is rofi's `combi` mode: `combi-modi = "drun,window"` merges application-run and window-switch into one list, and `modi = "combi,calc,emoji"` makes calc (via the `rofi-calc` plugin) and emoji (via `rofi-emoji`) the two further modes the same window tabs between.
The `run` mode (bare `$PATH` binaries) is left out: they are mostly terminal tools with no use as a windowed launch.
`Super+R` runs `rofi -show combi`.
- The dmenu-style reuse is the themed rofi itself, not a separate abstraction: any `rofi -dmenu` invocation reads the same config and Stylix theme, so the power menu — and later clipboard/utility menus — look uniform for free.
- The launcher and power-menu keybinds live in this module rather than in `hyprland.nix`, contributed through `settings.bind`, which the module system concatenates with the compositor's own binds in the single `hyprland.conf`.
This keeps each command next to its binding and referenced by store path, so a rename cannot silently break the bind.
- The power menu is bound to `Super+Shift+X`, chosen by the operator.
It pairs with lock on `Super+X` (a key the spec's table does list), while the parent spec's table has no power-menu key of its own.
- No Waybar `window-rewrite` icon mapping was added: rofi renders as a Wayland layer-shell overlay, not a tiled window with a class on a workspace, so it never appears on the workspace indicator the convention governs.