[terminal.sh] Use lswt instead of swaymsg

to support all compositors that support either
ext-foreign-toplevel-list-v1 or
wlr-foreign-toplevel-management-unstable-v1

i3/terminal.sh

@@ -15,11 +15,15 @@ fi
 # location as working directory. Like this, terminals are opened in the same
 # directory as the currently focused one.
 
-sway_focused_window() {
-	swaymsg -t get_tree | jq -r '.. | select(.focused?) | .name'
+focused_window_title() {
+	if [ -n "${WAYLAND_DISPLAY:-}" ]; then
+		lswt -j | jq -r '.toplevels | map(select(.activated?))[0] | .title'
+	else
+		xtitle
+	fi
 }
 
-title="$(sway_focused_window || xtitle)"
+title="$(focused_window_title)"
 path=""
 
 if [[ $title =~ (in|^.*@$(hostname):)(~?)(/.*) ]]; then