Added group to group together notifications

ctabus/internal/notification.py

@@ -19,9 +19,10 @@ class NotificationException(Exception):
 
 
 class NotificationManager:
-    def __init__(self, workdir=state_dir):
+    def __init__(self, workdir=state_dir, group=None):
         self.workdir = workdir
         self.id = uuid.uuid4().hex
+        self.group = group
 
         self.title = None
         self.message = None
@@ -93,6 +94,8 @@ class NotificationManager:
                 )
             ),
         ]
+        if self.group is not None:
+            cmdline.extend(["--group", str(self.group)])
 
         message = self.message if self.message is not None else "Placeholder"
         title = self.title if self.title is not None else "Placeholder"

ctabus/ui/notification.py

@@ -4,7 +4,7 @@ from ctabus.internal.notification import NotificationManager, HAS_NOTIFICATION
 
 class CTABUSNotifictaionManager(NotificationManager):
     def __init__(self, workdir=state_dir):
-        super().__init__(workdir)
+        super().__init__(workdir, group="ctabus")
         self.exiter = None
 
     def setup_exiter(self, exiter):