Fix #2143 Fix #2056

Show headline messages in the info buffer, and show error messages (or
other errors) with a special style.

src/core.py

@@ -1063,7 +1063,7 @@ class Core(object):
                 log.debug('Did not show the message:\n\t%s> %s', typ, msg)
                 return False
         colors = get_theme().INFO_COLORS
-        color = colors.get(typ, colors.get('default', None))
+        color = colors.get(typ.lower(), colors.get('default', None))
         nb_lines = self.information_buffer.add_message(msg, nickname=typ, nick_color=color)
         if isinstance(self.current_tab(), tabs.RosterInfoTab):
             self.refresh_window()
@@ -2381,6 +2381,8 @@ class Core(object):
         body = xhtml.get_body_from_message_stanza(message)
         if message['type'] == 'error':
             return self.information(self.get_error_message(message, deprecated=True), 'Error')
+        elif message['type'] == 'headline':
+            return self.information('%s says: %s' % (message['from'], message['body']), 'Headline')
         if not body:
             return
         conversation = self.get_conversation_by_jid(jid, create=True)
@@ -2887,7 +2889,7 @@ class Core(object):
         """
         tab = self.get_tab_by_name(room_name)
         error_message = self.get_error_message(error)
-        self.add_message_to_text_buffer(tab._text_buffer, error_message)
+        tab._text_buffer.add_message(error_message, highlight=True, nickname='Error', nick_color=get_theme().COLOR_ERROR_MSG)
         code = error['error']['code']
         if code == '401':
             msg = _('To provide a password in order to join the room, type "/join / password" (replace "password" by the real password)')

src/theming.py

@@ -161,6 +161,8 @@ class Theme(object):
     # This is your own nickname
     COLOR_OWN_NICK = (254, -1)
 
+    # This is for in-tab error messages
+    COLOR_ERROR_MSG = (9, 7, 'b')
     # Status color
     COLOR_STATUS_XA = (16, 90)
     COLOR_STATUS_NONE = (16, 4)
@@ -199,10 +201,11 @@ class Theme(object):
 
     # Info messages color (the part before the ">")
     INFO_COLORS = {
-            'Info': (5, -1),
-            'Error': (16, 1),
-            'Roster': (2, 16),
-            'default': (0, -1),
+            'info': (5, -1),
+            'error': (16, 1),
+            'roster': (2, 16),
+            'headline': (11, -1, 'b'),
+            'default': (7, -1),
     }
 
 # This is the default theme object, used if no theme is defined in the conf