Kitty specific is_process_window_focused impl.

README.md

@@ -111,6 +111,25 @@ set -U __done_notification_urgency_level_failure normal
 ```fish
 set -U __done_allow_nongraphical 1
 ```
+
+#### Notifications are unavailable under Wayland. However, if you are using Kitty, you can enable it by using Kitty's remote control.
+
+You need to install jq (jqlang.github.io/jq).
+
+In kitty.conf (change "kitty-rc-password" to your liking):
+
+```conf
+remote_control_password "kitty-rc-password" ls
+allow_remote_control password
+```
+
+In fish
+
+```fish
+set -U __done_kitty_remote_control 1
+set -U __done_kitty_remote_control_password "kitty-rc-password"
+```
+
 #### For Linux (except Ubuntu's Notify OSD), set the timeout in milliseconds at which to expire the notification. The default is "3000" (3 seconds). Set to "0" if you want it to never expire.
 
 ```fish

conf.d/done.fish

@@ -137,6 +137,11 @@ function __done_is_process_window_focused
     if set -q __done_allow_nongraphical
         return 1
     end
+
+    if set -q __done_kitty_remote_control
+        kitty @ --password="$__done_kitty_remote_control_password" ls | jq -e ".[].tabs.[] | select(any(.windows.[]; .is_self)) | .is_focused" > /dev/null
+        return $status
+    end
 
     set __done_focused_window_id (__done_get_focused_window_id)
     if test "$__done_sway_ignore_visible" -eq 1