Add new local variable "type" for buffers

Values are set by plugins:
- irc and jabber: "server", "channel", "private", "debug"
- relay: "relay" (list)
- xfer: "xfer" (list), "private" (DCC chat)

src/plugins/irc/irc-channel.c

@@ -100,6 +100,8 @@ irc_channel_new (struct t_irc_server *server, int channel_type,
         }
         
         weechat_buffer_set (new_buffer, "short_name", channel_name);
+        weechat_buffer_set (new_buffer, "localvar_set_type",
+                            (channel_type == IRC_CHANNEL_TYPE_CHANNEL) ? "channel" : "private");
         weechat_buffer_set (new_buffer, "localvar_set_nick", server->nick);
         weechat_buffer_set (new_buffer, "localvar_set_server", server->name);
         weechat_buffer_set (new_buffer, "localvar_set_channel", channel_name);

src/plugins/irc/irc-debug.c

@@ -79,6 +79,7 @@ irc_debug_printf (struct t_irc_server *server, int send, int modified,
                                 "title", _("IRC debug messages"));
             
             weechat_buffer_set (irc_debug_buffer, "short_name", IRC_DEBUG_BUFFER_NAME);
+            weechat_buffer_set (irc_debug_buffer, "localvar_set_type", "debug");
             weechat_buffer_set (irc_debug_buffer, "localvar_set_server", IRC_DEBUG_BUFFER_NAME);
             weechat_buffer_set (irc_debug_buffer, "localvar_set_channel", IRC_DEBUG_BUFFER_NAME);
             weechat_buffer_set (irc_debug_buffer, "localvar_set_no_log", "1");

src/plugins/irc/irc-server.c

@@ -2003,6 +2003,7 @@ irc_server_create_buffer (struct t_irc_server *server, int all_servers)
     weechat_buffer_set (server->buffer, "short_name",
                         (weechat_config_boolean (irc_config_look_one_server_buffer)) ?
                         IRC_BUFFER_ALL_SERVERS_NAME : server->name);
+    weechat_buffer_set (server->buffer, "localvar_set_type", "server");
     weechat_buffer_set (server->buffer, "localvar_set_server",
                         (weechat_config_boolean (irc_config_look_one_server_buffer)) ?
                         IRC_BUFFER_ALL_SERVERS_NAME : server->name);

src/plugins/jabber/jabber-debug.c

@@ -81,6 +81,7 @@ jabber_debug_printf (struct t_jabber_server *server, int send, int modified,
                                 "title", _("Jabber debug messages"));
             
             weechat_buffer_set (jabber_debug_buffer, "short_name", JABBER_DEBUG_BUFFER_NAME);
+            weechat_buffer_set (jabber_debug_buffer, "localvar_set_type", "debug");
             weechat_buffer_set (jabber_debug_buffer, "localvar_set_server", JABBER_DEBUG_BUFFER_NAME);
             weechat_buffer_set (jabber_debug_buffer, "localvar_set_muc", JABBER_DEBUG_BUFFER_NAME);
             weechat_buffer_set (jabber_debug_buffer, "localvar_set_no_log", "1");

src/plugins/jabber/jabber-muc.c

@@ -97,6 +97,8 @@ jabber_muc_new (struct t_jabber_server *server, int muc_type,
         }
         
         weechat_buffer_set (new_buffer, "short_name", muc_name);
+        weechat_buffer_set (new_buffer, "localvar_set_type",
+                            (muc_type == JABBER_MUC_TYPE_MUC) ? "channel" : "private");
         weechat_buffer_set (new_buffer, "localvar_set_nick",
                             jabber_server_get_local_name (server));
         weechat_buffer_set (new_buffer, "localvar_set_server", server->name);

src/plugins/jabber/jabber-server.c

@@ -711,6 +711,7 @@ jabber_server_create_buffer (struct t_jabber_server *server, int all_servers)
     weechat_buffer_set (server->buffer, "short_name",
                         (weechat_config_boolean (jabber_config_look_one_server_buffer)) ?
                         JABBER_BUFFER_ALL_SERVERS_NAME : server->name);
+    weechat_buffer_set (server->buffer, "localvar_set_type", "server");
     weechat_buffer_set (server->buffer, "localvar_set_server",
                         (weechat_config_boolean (jabber_config_look_one_server_buffer)) ?
                         JABBER_BUFFER_ALL_SERVERS_NAME : server->name);

src/plugins/relay/relay-buffer.c

@@ -223,5 +223,6 @@ relay_buffer_open ()
         weechat_buffer_set (relay_buffer, "title", _("List of clients for relay"));
         weechat_buffer_set (relay_buffer, "key_bind_meta2-A", "/relay up");
         weechat_buffer_set (relay_buffer, "key_bind_meta2-B", "/relay down");
+        weechat_buffer_set (relay_buffer, "localvar_set_type", "relay");
     }
 }

src/plugins/xfer/xfer-buffer.c

@@ -323,5 +323,6 @@ xfer_buffer_open ()
         weechat_buffer_set (xfer_buffer, "title", _("Xfer list"));
         weechat_buffer_set (xfer_buffer, "key_bind_meta2-A", "/xfer up");
         weechat_buffer_set (xfer_buffer, "key_bind_meta2-B", "/xfer down");
+        weechat_buffer_set (xfer_buffer, "localvar_set_type", "xfer");
     }
 }

src/plugins/xfer/xfer-chat.c

@@ -206,7 +206,7 @@ xfer_chat_buffer_close_cb (void *data, struct t_gui_buffer *buffer)
 }
 
 /*
- * xfer_chat_open_buffer: create channel for DCC chat
+ * xfer_chat_open_buffer: create buffer for DCC chat
  */
 
 void
@@ -226,6 +226,7 @@ xfer_chat_open_buffer (struct t_xfer *xfer)
         if (xfer->buffer)
         {
             weechat_buffer_set (xfer->buffer, "title", _("xfer chat"));
+            weechat_buffer_set (xfer->buffer, "localvar_set_type", "private");
             weechat_printf (xfer->buffer,
                             _("Connected to %s (%d.%d.%d.%d) via "
                               "xfer chat"),