Show the time remaining in the title

ctabus/__main__.py

@@ -15,6 +15,7 @@ import lazy_import
 
 from ctabus import __version__
 from ctabus.internal.config import log_dir, recent_list, CHICAGO_TZ
+from ctabus.ui.util import space_two
 
 notification_module = lazy_import.lazy_module("ctabus.ui.notification")
 toast_module = lazy_import.lazy_module("ctabus.ui.toast")
@@ -112,9 +113,10 @@ def show(
         before = date_parse(bustime["prdtm"])
         arrival = before.replace(tzinfo=CHICAGO_TZ)
         if arrival > now:
+            delta: datetime.timedelta = arrival - now
             format_dict = {
                 "stop_id": bustime["stpid"],
-                "delta": pprint_delta(arrival - now),
+                "delta": pprint_delta(delta),
                 "t": arrival.strftime("%H:%M:%S"),
                 "route": bustime["rt"],
                 "direction": bustime["rtdir"],
@@ -124,7 +126,9 @@ def show(
             text_to_show = text_config.format(**format_dict)
             if do_gui and enable_notifications:
                 notification_module.nm.setup_exiter(EXIT)
-                notification_module.nm.set_title("{route} - {end}".format(**format_dict))
+                mins = "{} min".format(delta.total_seconds() // 60)
+                bus_route = "{route} - {end}".format(**format_dict)
+                notification_module.nm.set_title(space_two(bus_route, mins, 42))
                 notification_module.nm.say(notification_config.format(**format_dict))
 
             if do_gui and enable_toast:

ctabus/ui/util.py

@@ -12,3 +12,9 @@ def numb_sort(text):
     (See Toothy's implementation in the comments)
     """
     return [atoi(c) for c in re.split(r"(\d+)", text)]
+
+
+def space_two(item_1, item_2, total_len):
+    string_1, string_2 = map(str, (item_1, item_2))
+    n_spaces = max(1, total_len - sum(map(len, (string_1, string_2))))
+    return "{}{}{}".format(string_1, " " * n_spaces, string_2)