meta: Toggle rofi with super key

This is a Wayland implementation similar to ksuperkey that is able to
fully toggle rofi with just the super key.

desktop/dual-function-keys/default.nix

@@ -16,6 +16,7 @@
     TIMING:
         - TAP_MILLISEC: 1000
         - DOUBLE_TAP_MILLISEC: 0
+        - SYNTHETIC_KEYS_PAUSE_MILLISEC: 0
     MAPPINGS:
         - KEY: KEY_CAPSLOCK
           TAP: KEY_ESC
@@ -23,5 +24,8 @@
         - KEY: KEY_SYSRQ
           TAP: KEY_SYSRQ
           HOLD: KEY_RIGHTMETA
+        - KEY: KEY_LEFTMETA
+          TAP: [ KEY_LEFTMETA, KEY_F1 ]
+          HOLD: KEY_LEFTMETA
   '';
 }

desktop/hyprland/default.nix

@@ -116,7 +116,7 @@
       bind = SUPER, S, togglespecialworkspace
       bind = SUPER_SHIFT, S, movetoworkspace, special
       bind = SUPER_SHIFT, S, togglespecialworkspace
-      bind = SUPER, Z, exec, rofi -show drun
+      bind = SUPER, F1, exec, killall rofi || rofi -show drun
 
       bind = SUPER, Return, exec, ~/.config/hypr/swapmaster.sh
       bind = SUPER, J, layoutmsg, cyclenext