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Single-script builder (nosignal.sh) that turns a stock Arch Linux ISO into a fully-offline installer for a themed Hyprland + caelestia (Quickshell) desktop: matching SDDM greeter, Btrfs/Limine bootable snapshots, chwd-style GPU detection, and a curated "os updates" layer (keybind cheatsheet, settings panels, system polish, on-box management skill). See README.md. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
80 lines
3.8 KiB
Markdown
80 lines
3.8 KiB
Markdown
# gamemode-toggle-deckshift — Game Mode toggle launches DeckShift
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Companion to `gaming-key-guard` (which does the Super+Shift+S keybind). Patches
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the package-owned nosignal-shell file; the canonical fix is in the fork.
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## Request
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The utilities **Game Mode** button (gamepad icon) should launch the DeckShift
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gaming session when DeckShift is installed, and do nothing otherwise. Previously
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it ran caelestia's cosmetic Game Mode (disable Hyprland animations/blur/gaps).
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## Change
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`modules/utilities/cards/Toggles.qml`, the `gameMode` `DelegateChoice`:
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before
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```qml
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delegate: Toggle {
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icon: "gamepad"
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checked: GameMode.enabled
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onClicked: GameMode.enabled = !GameMode.enabled
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}
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```
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after (hardened)
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```qml
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delegate: Toggle {
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id: gmTog
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property bool launching: false
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icon: "gamepad"
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disabled: launching
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onClicked: {
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if (gmTog.launching) return;
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gmTog.launching = true;
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gmTog.internalChecked = false; // don't latch "on" — it's a launcher
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relockTimer.start();
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Quickshell.execDetached(["sh", "-c", "[ -x /usr/local/bin/switch-to-gaming ] && [ -f /usr/share/wayland-sessions/gamescope-session-steam-nm.desktop ] && exec /usr/local/bin/switch-to-gaming"]);
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}
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Timer { id: relockTimer; interval: 5000; onTriggered: gmTog.launching = false }
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}
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```
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- **Kept styled as an off-toggle** (default `isToggle: true`, no `checked`) so it
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keeps the muted/outline look of the other toggles. An earlier version set
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`isToggle: false`, which flipped the icon to filled/accent — that was the
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reported "changed colour"; reverted. `internalChecked` is reset to false on
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click so the launcher never latches "on".
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- **Debounced.** A fast double-click previously fired `switch-to-gaming` twice →
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two `systemctl restart sddm` calls → the first restart consumed the one-shot
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autologin marker and the second fell back to the password greeter (the reported
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"takes you to the login screen, not gamescope"). The `launching` guard +
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`disabled` + 5 s `relockTimer` ensure one launch per press.
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- The `sh -c '… && … && exec switch-to-gaming'` guard mirrors the Super+Shift+S
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bind and the deckshift-login install-check: nothing happens if DeckShift is absent.
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- Adds `import Quickshell` (for `execDetached`; the file only had
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`Quickshell.Bluetooth`). `GameMode` (from `qs.services`) is no longer referenced
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here — the cosmetic Game Mode is still available via its IPC (`gameMode` target)
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if a future build wants to re-expose it elsewhere.
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- **Hidden when DeckShift isn't installed.** A `deckshiftProbe` Process
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(`test -f /usr/share/wayland-sessions/gamescope-session-steam-nm.desktop`) sets
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`root.deckshiftInstalled` at load, and the `quickToggles` filter drops the
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`gameMode` entry when it's false (same pattern as the existing `vpn` special-case)
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— so the tile cleanly leaves the grid (no dead button, no gap) on non-gaming
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boxes, and appears once DeckShift is installed (after a shell reload). Needs
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`import Quickshell.Io` for `Process`.
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## Pieces / integration
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1. **`Toggles.qml`** — corrected file (drop-in for
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`modules/utilities/cards/Toggles.qml` in the nosignal-shell fork). Rebuild the
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package; set `NOSIGNAL_SKIP_SHELL_PATCH` for the build.
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2. **`install-gamemode-toggle-deckshift.sh`** — idempotent fallback patch (backup +
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overwrite). Reverted by the next nosignal-shell upgrade (which carries the fix).
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3. **`1781478000-gamemode-toggle-deckshift.sh`** → `nosignal-update/migrations/`
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(delegates via `$NOSIGNAL_SRC`).
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**Shell restart required:** `qs -c caelestia -n -d` disables the file watcher, so
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the patched file is not hot-reloaded — restart the shell (**Ctrl+Super+Alt+R**) or
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log out/in after patching.
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## Apply on this box now (needs root)
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```sh
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sudo sh ~/nosignal-handoff/gamemode-toggle-deckshift/install-gamemode-toggle-deckshift.sh
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```
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then **Ctrl+Super+Alt+R**.
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