Display saved timelines in "goto" menu

We introduce "saved timelines" as a new entry in configuration file. For
now, we only save whether the timeline is local or not. Timeline save is
not implemented yet, only retrieval from config file and display is
handled at the moment. Saved timelines in the goto menu.

toot/tui/app.py

@@ -3,7 +3,7 @@ import urwid
 
 from concurrent.futures import ThreadPoolExecutor
 
-from toot import api, __version__
+from toot import api, config, __version__
 
 from .compose import StatusComposer
 from .constants import PALETTE
@@ -88,6 +88,7 @@ class TUI(urwid.Frame):
     def __init__(self, app, user):
         self.app = app
         self.user = user
+        self.config = config.load_config()
 
         self.loop = None  # set in `create`
         self.executor = ThreadPoolExecutor(max_workers=1)
@@ -334,7 +335,8 @@ class TUI(urwid.Frame):
         self.open_overlay(composer, title="Compose status")
 
     def show_goto_menu(self):
-        menu = GotoMenu()
+        user_timelines = self.config.get("timelines", {})
+        menu = GotoMenu(user_timelines)
         urwid.connect_signal(menu, "home_timeline",
             lambda x: self.goto_home_timeline())
         urwid.connect_signal(menu, "public_timeline",
@@ -344,7 +346,7 @@ class TUI(urwid.Frame):
 
         self.open_overlay(menu, title="Go to", options=dict(
             align="center", width=("relative", 60),
-            valign="middle", height=9,
+            valign="middle", height=9 + len(user_timelines),
         ))
 
     def show_help(self):

toot/tui/overlays.py

@@ -68,17 +68,17 @@ class GotoMenu(urwid.ListBox):
         "hashtag_timeline",
     ]
 
-    def __init__(self):
+    def __init__(self, user_timelines):
         self.hash_edit = EditBox(caption="Hashtag: ")
 
-        actions = list(self.generate_actions())
+        actions = list(self.generate_actions(user_timelines))
         walker = urwid.SimpleFocusListWalker(actions)
         super().__init__(walker)
 
     def get_hashtag(self):
         return self.hash_edit.edit_text.strip()
 
-    def generate_actions(self):
+    def generate_actions(self, user_timelines):
         def _home(button):
             self._emit("home_timeline")
 
@@ -95,7 +95,18 @@ class GotoMenu(urwid.ListBox):
             else:
                 self.set_focus(4)
 
+        def mk_on_press_user_hashtag(tag, local):
+            def on_press(btn):
+                self._emit("hashtag_timeline", tag, local)
+            return on_press
+
         yield Button("Home timeline", on_press=_home)
+
+        for tag, cfg in user_timelines.items():
+            is_local = cfg["local"]
+            yield Button("#{}".format(tag) + (" (local)" if is_local else ""),
+                         on_press=mk_on_press_user_hashtag(tag, is_local))
+
         yield Button("Local public timeline", on_press=_local_public)
         yield Button("Global public timeline", on_press=_global_public)
         yield urwid.Divider()