Made tabs reorderable, and added code to persist the ordering changes

mytwitter.py

@@ -65,7 +65,8 @@ class MyTwitter():
 
         self.context_id = self.status_bar.get_context_id('message')
 
-        self.tweet_notebook.remove_page(0) # kill the page that glade makes us have
+        # Manual tweaks to the glade UI, to overcome its limitations
+        self.tweet_notebook.remove_page(0)
         self.account_select.remove_text(0)
 
         # Add entries to the account select box, set the default entry
@@ -73,9 +74,6 @@ class MyTwitter():
             self.account_select.append_text(username)
         self.account_select.set_active(0)
 
-        # When we change tabs, any unread tweets in it become read
-        self.tweet_notebook.connect('switch_page', self.on_tab_change)
-
         # Add the tabs from last session to the notebook
         for tab in self.db['open_tabs']:
             self.add_to_notebook(tab)
@@ -268,6 +266,7 @@ class MyTwitter():
             verified = self.check_verified(name)
         new_pane = TweetPane(name, num_entries=self.num_entries, single_tweet=single_tweet, is_user=is_user, following=following, verified=verified)
         self.tweet_notebook.append_page_menu(new_pane, new_pane.get_tab_label(), gtk.Label(name))
+        self.tweet_notebook.set_tab_reorderable(new_pane, True)
         new_pane.get_tab_label().connect('close-clicked', self.remove_view_callback, name)
         new_pane.connect('tweet-reply', self.on_reply)
         new_pane.connect('tweet-retweet', self.on_retweet)
@@ -303,6 +302,17 @@ class MyTwitter():
             self.verified_label.hide()
 
 
+    def on_tabs_reordered(self, widget, child, page_num):
+        # Clear the persistent tabs list, and recreate it
+        # from scratch
+        tab_names = []
+        
+        for i in range(self.tweet_notebook.get_n_pages()):
+            tab_names.append(self.tweet_notebook.get_nth_page(i).get_list_name())
+
+        self.db['open_tabs'] = tab_names
+
+
     def on_search(self, event):
         search_string = self.search_entry.get_text()
         self.search_entry.set_text('')