Add the possibility to display per backend unread mail along with the total number of unread mails (default). The displayed backend can be set via callbacks (on mousewheel events by default)

i3pystatus/mail/__init__.py

@@ -6,9 +6,10 @@ class Backend(SettingsBase):
     """Handles the details of checking for mail"""
 
     unread = 0
+    settings = ("account", )
     # required = ("account", )
 
-    # account = "Default account"
+    account = "Default account"
 
     """Number of unread mails
 
@@ -38,13 +39,14 @@ class Mail(IntervalModule):
     color = "#ffffff"
     color_unread = "#ff0000"
     format = "{unread} new email"
-    format_plural = "{unread} new emails"
+    format_plural = "{account} : {current_unread}/{unread} new emails"
     hide_if_null = True
     email_client = None
 
     on_leftclick = "open_client"
+    on_upscroll = ["scroll_backend", 1]
+    on_downscroll = ["scroll_backend", -1]
 
-    current_unread = 0
     current_backend = 0
 
     def init(self):
@@ -55,8 +57,14 @@ class Mail(IntervalModule):
         """
         Returns the sum of unread messages across all registered backends
         """
-
-        unread = sum(map(lambda backend: backend.unread, self.backends))
+        unread = 0
+        current_unread = 0
+        for id, backend in enumerate(self.backends):
+            temp = backend.unread
+            unread = unread + backend.unread
+            if id == self.current_backend:
+                current_unread = temp
+        # unread = sum(map(lambda backend: backend.unread, self.backends))
 
         if not unread:
             color = self.color
@@ -72,12 +80,18 @@ class Mail(IntervalModule):
         if unread > 1:
             format = self.format_plural
 
+        account_name = getattr(self.backends[self.current_backend], "account", "No name")
+
+        # TODO pass account name as well, as setting or via the dict
         self.output = {
-            "full_text": format.format(unread=unread),
+            "full_text": format.format(unread=unread, current_unread=current_unread, account=account_name),
             "urgent": urgent,
             "color": color,
         }
 
+    def scroll_backend(self, step):
+        self.current_backend = (self.current_backend + step) % len(self.backends)
+
     def open_client(self):
         if self.email_client:
             retcode, _, stderr = run_through_shell(self.email_client)

i3pystatus/mail/notmuchmail.py

@@ -18,14 +18,16 @@ class Notmuch(Backend):
 
     settings = (
         ("db_path", "Path to the directory of your notmuch database"),
+        ("query", "Same query notmuch would accept, by default 'tag:unread and tag:inbox'"),
+        ("account", "Account name"),
     )
 
-    required = tuple( ("account", "Name available to formatter"), )
+    # required = tuple( ("account", "Name available to formatter"), )
 
     db_path = None
     query = "tag:unread and tag:inbox"
 
-    account = "Default account"
+    account = "Default"
 
     def init(self):
         if not self.db_path: