waybar: add Help module, run help overlay on demand

etc/skel/.config/waybar/config.jsonc

@@ -7,6 +7,7 @@
     "modules-right": [
         "tray",
         "custom/playerctl",
+        "custom/help",
         "custom/wlsunset",
         "idle_inhibitor",
         "custom/dunst",
@@ -72,6 +73,12 @@
         "signal": 5
     },
 
+    "custom/help": {
+        "format": "",
+        "on-click": "/usr/share/sway/scripts/help.sh --toggle",
+        "tooltip": "false"
+    },
+
     "custom/wlsunset": {
         "interval": "once",
         "tooltip": true,

etc/skel/.config/waybar/style.css

@@ -70,6 +70,7 @@ window#waybar.hidden {
 }
 
 #clock,
+#custon-help,
 #custom-playerctl,
 #custom-power,
 #custom-wlsunset,
@@ -111,6 +112,10 @@ window#waybar.hidden {
     color: @pink;
 }
 
+#custom-help {
+    color: @rosewater;
+}
+
 #custom-wlsunset {
     color: @mauve;
 }

usr/share/sway/scripts/help.sh

@@ -10,6 +10,6 @@ if [ "$1" = "--toggle" ]; then
 else
   pkill -f -${QUIT_SIGNAL} nwg-wrapper
   for output in $(swaymsg -t get_outputs --raw | jq -r '.[].name'); do
-    nwg-wrapper -o "$output" -sv ${VISIBILITY_SIGNAL} -sq ${QUIT_SIGNAL} -s help.sh -p left -a end &
+    nwg-wrapper -o "$output" -i -sv ${VISIBILITY_SIGNAL} -sq ${QUIT_SIGNAL} -s help.sh -p left -a end &
   done
 fi