Implemented handler for the new signals, but there's a problem when the active tab is closed...

mytwitter.py

@@ -68,6 +68,9 @@ class MyTwitter():
 
         self.reply_id = None
 
+        self.following_handler = -1
+        self.verified_handler = -1
+
         # Load up all the GUI stuff
         self.init_user_interface('./default.glade')
         self.init_widgets()
@@ -330,7 +333,18 @@ class MyTwitter():
 
 
     def on_tab_change(self, event, page, page_num):
+        last_page = self.db['active_page']
         self.db['active_page'] = page_num
+
+        # Disconnect the old signals
+        if last_page != page_num:
+            pane = self.tweet_notebook.get_nth_page(last_page)
+            if self.following_handler != -1:
+                pane.disconnect(self.following_handler)
+            if self.verified_handler != -1:
+                pane.disconnect(self.verified_handler)
+
+        # Now get the new page, and set everything up
         pane = self.tweet_notebook.get_nth_page(page_num)
         pane.set_tweets_read()
         self.update_follow_button(pane)
@@ -338,10 +352,12 @@ class MyTwitter():
             self.at_button.show()
         else:
             self.at_button.hide()
-        if pane.get_verified():
-            self.verified_label.show()
-        else:
-            self.verified_label.hide()
+
+        self.update_verified_label(pane)
+
+        # Follow button and verified label can be returned later if this is a new pane, so set up signals
+        self.following_handler = pane.connect('following-set', self.update_follow_button)
+        self.verified_handler = pane.connect('verified-set', self.update_verified_label)
 
 
     def on_tabs_reordered(self, widget, child, page_num):
@@ -405,6 +421,13 @@ class MyTwitter():
             self.following_button.show()
 
 
+    def update_verified_label(self, pane):
+        if pane.get_verified():
+            self.verified_label.show()
+        else:
+            self.verified_label.hide()
+
+
     def show_user(self, name):
         self.add_to_notebook('user: ' + name)
 

twitterwidgets.py

@@ -190,13 +190,13 @@ class TweetPane(gtk.ScrolledWindow):
     def set_following(self, following):
         with self.data_lock:
             self.following = following
-        self.emit("following-set", following)
+        self.emit("following-set")
 
 
     def set_verified(self, verified):
         with self.data_lock:
             self.verified = verified
-        self.emit("verified-set", verified)
+        self.emit("verified-set")
 
 
     def get_is_user(self):
@@ -221,10 +221,10 @@ gobject.signal_new("show-user", TweetPane,
                    gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,))
 gobject.signal_new("following-set", TweetPane,
                    gobject.SIGNAL_RUN_LAST,
-                   gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)))
+                   gobject.TYPE_NONE, ())
 gobject.signal_new("verified-set", TweetPane,
                    gobject.SIGNAL_RUN_LAST,
-                   gobject.TYPE_NONE, (gobject.TYPE_PYOBJECT,)))
+                   gobject.TYPE_NONE, ())