Merge pull request #3498 from michaelfaith84/terminal_resizing

Automatic Terminal resizing

evennia/server/portal/naws.py

@@ -58,6 +58,7 @@ class Naws:
             option (Option): Not used.
 
         """
+        self.protocol.protocol_flags["AUTORESIZE"] = False
         self.protocol.handshake_done()
 
     def do_naws(self, option):
@@ -68,6 +69,7 @@ class Naws:
             option (Option): Not used.
 
         """
+        self.protocol.protocol_flags["AUTORESIZE"] = True
         self.protocol.handshake_done()
 
     def negotiate_sizes(self, options):

evennia/server/portal/portalsessionhandler.py

@@ -467,7 +467,7 @@ class PortalSessionHandler(SessionHandler):
             kwargs (any): Each key is a command instruction to the
                 protocol on the form key = [[args],{kwargs}]. This will
                 call a method send_<key> on the protocol. If no such
-                method exixts, it sends the data to a method send_default.
+                method exits, it sends the data to a method send_default.
 
         """
         # from evennia.server.profiling.timetrace import timetrace  # DEBUG

evennia/server/portal/telnet.py

@@ -31,6 +31,7 @@ from twisted.internet.task import LoopingCall
 from evennia.server.portal import mssp, naws, suppress_ga, telnet_oob, ttype
 from evennia.server.portal.mccp import MCCP, Mccp, mccp_compress
 from evennia.server.portal.mxp import Mxp, mxp_parse
+from evennia.server.portal.naws import NAWS
 from evennia.utils import ansi
 from evennia.utils.utils import class_from_module, to_bytes
 
@@ -91,8 +92,14 @@ class TelnetProtocol(Telnet, StatefulTelnetProtocol, _BASE_SESSION_CLASS):
         of incoming data.
 
         """
-        # print(f"telnet dataReceived: {data}")
         try:
+            # Do we have a NAWS update?
+            if (NAWS in data and
+                    len([data[i:i+1] for i in range(0, len(data))]) == 9 and
+                    # Is auto resizing on?
+                    self.protocol_flags.get('AUTORESIZE')):
+                self.sessionhandler.sync(self.sessionhandler.get(self.sessid))
+
             super().dataReceived(data)
         except ValueError as err:
             from evennia.utils import logger