add(jellyfin): immersion mode

immersion turns off all other monitor. great for movies

apps/jellyfin-mpv-shim/default.nix

@@ -1,4 +1,7 @@
 {pkgs, ...}: {
+  imports = [
+    ./immersion.nix
+  ];
   services.jellyfin-mpv-shim = {
     enable = true;
     package = pkgs.jellyfin-mpv-shim;
@@ -61,7 +64,7 @@
   };
 
   wayland.windowManager.hyprland.settings = {
-    exec-once = [ "systemctl --user start jellyfin-mpv-shim" ];
+    exec-once = ["systemctl --user start jellyfin-mpv-shim"];
     windowrule = [
       # --- JELLYFIN MPV SHIM ---
       "match:class ^(jellyfin-mpv-shim)$, float on"
@@ -73,3 +76,4 @@
     ];
   };
 }
+

apps/jellyfin/immersion.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  pkgs,
+  ...
+}: let
+  # Dynamically turns off all unfocused monitors, and restores them on toggle
+  toggleImmersive = pkgs.writeShellScriptBin "toggle-immersive" ''
+    STATE_FILE="$XDG_RUNTIME_DIR/hypr_immersive_mode"
+
+    if [ -f "$STATE_FILE" ]; then
+      # 1. Restore: Reloading Hyprland snaps monitors back to your declared Nix defaults
+      hyprctl reload
+      rm "$STATE_FILE"
+      ${pkgs.libnotify}/bin/notify-send -u low "Immersive Mode" "Deactivated — Displays restored."
+    else
+      # 2. Activate: Mark state and dynamically disable all non-focused monitors
+      touch "$STATE_FILE"
+
+      # Use jq to find every monitor that does NOT currently have focus
+      for mon in $(${pkgs.hyprland}/bin/hyprctl monitors -j | ${pkgs.jq}/bin/jq -r '.[] | select(.focused == false) | .name'); do
+        ${pkgs.hyprland}/bin/hyprctl keyword monitor "$mon, disable"
+      done
+
+      # OPTIONAL: Remove borders and gaps for a true cinema experience
+      # ${pkgs.hyprland}/bin/hyprctl keyword general:gaps_in 0
+      # ${pkgs.hyprland}/bin/hyprctl keyword general:gaps_out 0
+      # ${pkgs.hyprland}/bin/hyprctl keyword general:border_size 0
+      # ${pkgs.hyprland}/bin/hyprctl keyword decoration:rounding 0
+
+      ${pkgs.libnotify}/bin/notify-send -u low "Immersive Mode" "Activated — Focused display only."
+    fi
+  '';
+in {
+  wayland.windowManager.hyprland = {
+    enable = true;
+
+    settings = {
+      # Bind to your preferred combo (e.g., Super + Alt + M)
+      bind = [
+        "$mod ALT, M, exec, ${toggleImmersive}/bin/toggle-immersive"
+      ];
+    };
+  };
+}

modules/home/gaming.nix

@@ -66,6 +66,14 @@
     )
     stayFocusedGames);
 in {
+  xdg.desktopEntries.steam-bigpicture = {
+    name = "Steam (Big Picture GLX)";
+    exec = "env STEAM_RUNTIME=1 steam -no-cef-sandbox -cef-force-glx -bigpicture";
+    icon = "steam";
+    terminal = false;
+    categories = ["Game"];
+    comment = "Launch Steam in Big Picture mode with Wayland fixes";
+  };
   home.packages = with pkgs; [
     protonup-qt
     mangohud