settings/hyprland.nix

@@ -82,7 +82,27 @@
 
           "$mod"  = "SUPER";
           "$term" = "ghostty";
-          "$menu" = "killall fuzzel || fuzzel";
+          "$menu" = let
+            launchFuzzel = pkgs.writeShellScript "fuzzel-launcher" ''
+              fuzzel &
+              FUZZEL_PID=$!
+
+              (${pkgs.socat}/bin/socat -U - \
+                "UNIX-CONNECT:/tmp/hypr/$HYPRLAND_INSTANCE_SIGNATURE/.socket2.sock" 2>/dev/null | \
+                while IFS= read -r ev; do
+                  case "$ev" in
+                    activewindow*)
+                      kill "$FUZZEL_PID" 2>/dev/null
+                      break
+                      ;;
+                  esac
+                done) &
+              LISTENER_PID=$!
+
+              wait "$FUZZEL_PID" 2>/dev/null
+              kill "$LISTENER_PID" 2>/dev/null
+            '';
+          in "killall fuzzel || ${launchFuzzel}";
 
           exec-once = [
             "mako"