Look for ATTRIB events for notifications updates; remove "Pickup" menu

Picking up call can be done from both dunst notification & notifications menu;
so for more consistency / less bugs the Pickup menu entry has been removed.

scripts/notifications/sxmo_notificationmonitor.sh

@@ -0,0 +1,71 @@
+#!/usr/bin/env sh
+trap gracefulexit INT TERM
+NOTIFDIR="$XDG_CONFIG_HOME"/sxmo/notifications
+
+gracefulexit() {
+	echo "Gracefully exiting $0"
+	kill -9 0
+}
+
+notificationhook() {
+	if [ -x "$XDG_CONFIG_HOME"/sxmo/hooks/notification ]; then
+		"$XDG_CONFIG_HOME"/sxmo/hooks/notification
+	else
+			sxmo_vibratepine 200;
+			sleep 0.1;
+			sxmo_vibratepine 200;
+			sleep 0.1;
+  fi
+}
+
+handlenewnotiffile(){
+	NOTIFFILE="$1"
+
+	if [ "$(wc -l "$NOTIFFILE" | cut -d' ' -f1)" -lt 3 ]; then
+		echo "Invalid notification file $NOTIFFILE found (<3 lines -- see notif spec in sxmo_notifwrite.sh), deleting!" >&2
+		rm "$NOTIFFILE"
+	else
+		sxmo_setpineled green 1;
+		notificationhook &
+		NOTIFACTION="$(awk NR==1 "$NOTIFFILE")"
+		NOTIFWATCHFILE="$(awk NR==2 "$NOTIFFILE")"
+		NOTIFMSG="$(tail -n+3 "$NOTIFFILE" | cut -c1-70)"
+
+		if dunstify --action="2,open" "$NOTIFMSG" | grep 2; then
+			eval "$NOTIFACTION"
+		elif [ -e "$NOTIFWATCHFILE" ]; then
+			inotifywait "$NOTIFWATCHFILE" && rm -f "$NOTIFFILE" &
+		fi
+	fi
+}
+
+recreateexistingnotifs() {
+	for NOTIF in "$NOTIFDIR"/*; do
+		[ -f "$NOTIF" ] || continue
+		handlenewnotiffile "$NOTIF"
+	done
+}
+
+monitorforaddordelnotifs() {
+	while true; do
+		inotifywait -e create,attrib,moved_to,delete,delete_self,moved_from "$NOTIFDIR"/ | (
+			INOTIFYOUTPUT="$(cat)"
+			INOTIFYEVENTTYPE="$(echo "$INOTIFYOUTPUT" | cut -d" " -f2)"
+			case "$INOTIFYEVENTTYPE" in
+				"CREATE"|"MOVED_TO","ATTRIB")
+					NOTIFFILE="$NOTIFDIR/$(echo "$INOTIFYOUTPUT" | cut -d" " -f3)"
+					handlenewnotiffile "$NOTIFFILE"
+					;;
+				"DELETE"|"DELETE_SELF"|"MOVED_FROM")
+					# E.g. if no more notifications unset LED
+					find "$NOTIFDIR"/ -type f -mindepth 1 | read -r || sxmo_setpineled green 0
+					;;
+			esac
+		) & wait
+	done
+}
+
+pgrep -f "$(command -v sxmo_notificationmonitor.sh)" | grep -Ev "^${$}$" | xargs kill
+sxmo_setpineled green 0
+recreateexistingnotifs
+monitorforaddordelnotifs

scripts/notifications/sxmo_notificationsmenu.sh

@@ -0,0 +1,32 @@
+#!/usr/bin/env sh
+NOTIFDIR="$XDG_CONFIG_HOME"/sxmo/notifications
+
+notificationmenu() {
+	CHOICES="Close Menu"
+	for NOTIFFILE in "$NOTIFDIR"/*; do
+		NOTIFMSG="$(tail -n+3 "$NOTIFFILE" | tr "\n^" " ")"
+		NOTIFHRANDMIN="$(stat --printf %y "$NOTIFFILE" | grep -oE '[0-9]{2}:[0-9]{2}')"
+		CHOICES="
+			$CHOICES
+			$NOTIFHRANDMIN - $NOTIFMSG ^ $NOTIFFILE
+		"
+	done
+
+	PICKEDCONTENT="$(
+		printf "%b" "$CHOICES" |
+		xargs -0 echo |
+		sed '/^[[:space:]]*$/d' |
+		awk '{$1=$1};1' |
+		cut -d^ -f1 | 
+		dmenu -c -i -fn "Terminus-18" -p "Notifs" -l 10
+	)"
+
+	[ "$PICKEDCONTENT" = "Close Menu" ] && exit 1
+
+	PICKEDNOTIFFILE="$(echo "$CHOICES" | grep "$PICKEDCONTENT" | cut -d^ -f2 | tr -d ' ')"
+	NOTIFACTION="$(head -n1 "$PICKEDNOTIFFILE")"
+	eval "$NOTIFACTION" &
+	rm "$PICKEDNOTIFFILE"
+}
+
+notificationmenu

scripts/notifications/sxmo_notificationwrite.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env sh
+NOTIFDIR="$XDG_CONFIG_HOME"/sxmo/notifications
+
+# Takes 4 args:
+# (1) the filepath of the notification to write (or random to generate a random id)
+# (2) action notification invokes upon selecting
+# (3) the file to watch for deactivation.
+# (4) description of notification
+NOTIFFILEPATHTOWRITE="$1"
+ACTION="$2"
+WATCHFILE="$3"
+NOTIFMSG="$4"
+
+writenotification() {
+	lsof | grep "$WATCHFILE" && exit 0 # Already viewing watchfile, nops
+	mkdir -p "$NOTIFDIR"
+	if [ "$NOTIFFILEPATHTOWRITE" = "random" ]; then
+		NOTIFFILEPATHTOWRITE="$NOTIFDIR/$(tr -dc 'a-zA-Z0-9' < /dev/urandom | head -c 10)"
+	fi
+	touch "$NOTIFFILEPATHTOWRITE"
+	printf %b "rm -f $NOTIFFILEPATHTOWRITE; $ACTION\n$WATCHFILE\n$NOTIFMSG\n" > "$NOTIFFILEPATHTOWRITE"
+}
+
+[ "$#" -lt 4 ] && echo "Need >=4 args to create a notification" && exit 1
+writenotification