honour readonly flag too

git-svn-id: https://xpra.org/svn/Xpra/trunk@19463 3bb7dfac-3a0b-4e04-842a-767bc560f471

src/xpra/server/rfb/rfb_server.py

@@ -1,6 +1,6 @@
 # -*- coding: utf-8 -*-
 # This file is part of Xpra.
-# Copyright (C) 2017 Antoine Martin <antoine@devloop.org.uk>
+# Copyright (C) 2017-2018 Antoine Martin <antoine@devloop.org.uk>
 # Xpra is released under the terms of the GNU GPL v2, or, at your option, any
 # later version. See the file COPYING for details.
 
@@ -22,6 +22,7 @@
 class RFBServer(object):
 
     def init(self):
+        self.readonly = False
         self.rfb_buttons = 0
         self.x11_keycodes_for_keysym = {}
         if POSIX and not OSX:
@@ -103,7 +104,7 @@ def _process_rfb_authenticated(self, proto, _packet):
             start_refresh()
 
     def _process_rfb_PointerEvent(self, _proto, packet):
-        if not server_features.input_devices:
+        if not server_features.input_devices or self.readonly:
             return
         buttons, x, y = packet[1:4]
         wid = self._get_rfb_desktop_wid()
@@ -118,7 +119,7 @@ def _process_rfb_PointerEvent(self, _proto, packet):
             self.rfb_buttons = buttons
 
     def _process_rfb_KeyEvent(self, proto, packet):
-        if not server_features.input_devices:
+        if not server_features.input_devices or self.readonly:
             return
         source = self._server_sources.get(proto)
         if not source: