Calendar only scrolls automatically if viewing the current month

main.go

@@ -123,16 +123,22 @@ func tick () {
 		time.Sleep(time.Second)
 		drawMutex.Lock()
 
+		pageSize := columns * rows
+		within :=
+			currentMonth >= viewingMonth &&
+			currentMonth <  viewingMonth + pageSize
+
 		newMonth := canonMonth(time.Now())
 		if currentMonth != newMonth {
 			currentMonth = newMonth
 
-			pageSize := columns * rows
+			if within {
 				if currentMonth < viewingMonth {
 					viewingMonth -= pageSize
 				} else if currentMonth >= viewingMonth + pageSize {
 					viewingMonth += pageSize
 				}
+			}
 			
 			application.Clear()
 			redraw()