Add callscreen DWM plugin for incoming and active voice calls

overlay/rootfs/usr/share/sxmo/default_hooks/sxmo_hook_after_call.sh

@@ -3,4 +3,8 @@
 
 # This script is executed after the last call finished
 
+if command -v xcallscreen >/dev/null 2>&1; then
+  xcallscreen ended >/dev/null 2>&1 || true
+fi
+
 sxmo_playerctl.sh resume_all

overlay/rootfs/usr/share/sxmo/default_hooks/sxmo_hook_inputhandler.sh

@@ -401,8 +401,14 @@ case "$ACTION" in
 		exit 0
 		;;
 	"enter_one")
-		if pidof -s sxmo_RepeatRing.sh >/dev/null; then
-			sxmo_hook_pickup.sh
+		if [ -e /tmp/sxmo_call_ringing ] || [ -e "$XDG_RUNTIME_DIR/sxmo_jobs/ringing" ] || pidof -s sxmo_RepeatRing.sh >/dev/null; then
+			if command -v xcallscreen >/dev/null 2>&1; then
+				xcallscreen accept
+			else
+				sxmo_hook_pickup.sh
+			fi
+		elif [ -e /tmp/sxmo_active_call ] && command -v xcallscreen >/dev/null 2>&1; then
+			xcallscreen
 		else
 			sxmo_appmenu.sh "$WMCLASS" "$WMNAME"
 		fi