Fix #2294 (fix /w priority)

Now each different match has a different priority.
It might need some tuning to have the desired result.

src/core.py

@@ -1652,10 +1652,16 @@ class Core(object):
                     return
                 self.current_tab_nb = nb
         else:
+            matchs = []
             for tab in self.tabs:
                 for name in tab.matching_names():
-                    if nb in name:
+                    if nb.lower() in name[1].lower():
+                        matchs.append((name[0], tab))
                         self.current_tab_nb = tab.nb
+            if not matchs:
+                return
+            tab = min(matchs, key=lambda m: m[0])[1]
+            self.current_tab_nb = tab.nb
         old_tab.on_lose_focus()
         self.current_tab().on_gain_focus()
         self.refresh_window()

src/tabs.py

@@ -1825,7 +1825,7 @@ class MucTab(ChatTab):
         return False
 
     def matching_names(self):
-        return [safeJID(self.get_name()).user]
+        return [(1, safeJID(self.get_name()).user), (3, self.get_name())]
 
 class PrivateTab(ChatTab):
     """
@@ -2115,7 +2115,7 @@ class PrivateTab(ChatTab):
             self.add_message(txt=reason, typ=2)
 
     def matching_names(self):
-        return [safeJID(self.get_name()).resource]
+        return [(3, safeJID(self.get_name()).resource), (4, self.get_name())]
 
 class RosterInfoTab(Tab):
     """
@@ -3342,10 +3342,13 @@ class ConversationTab(ChatTab):
             self.send_chat_state('gone')
 
     def matching_names(self):
+        res = []
+        jid = safeJID(self.get_name())
+        res.append((2, jid.bare))
+        res.append((1, jid.user))
         contact = roster[self.get_name()]
-        res = [contact.bare_jid if contact else safeJID(self.get_name()).bare]
         if contact and contact.name:
-            res.append(contact.name)
+            res.append((0, contact.name))
         return res
 
 class DynamicConversationTab(ConversationTab):
@@ -3602,6 +3605,9 @@ class MucListTab(Tab):
         self.listview.refresh()
         self.core.doupdate()
 
+    def matching_names(self):
+        return [(2, self.name)]
+
 class XMLTab(Tab):
     def __init__(self):
         Tab.__init__(self)