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fix(webcrt): restore arrow keys under application cursor mode

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Normalize SS3 arrows to CSI and stop remapping to Ctrl-B so left/right actually move the device cursor after login.

Co-authored-by: Cursor <cursoragent@cursor.com>
This commit is contained in:
hansjone 2026-07-30 02:34:25 +00:00
parent 6d4cd741ef
commit b690914f18
2 changed files with 39 additions and 12 deletions
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10
tests/test_webcrt.py
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@ -61,8 +61,11 @@ class WebcrtServiceTests(unittest.TestCase):
# Backspace DEL -> BS
sess.write_stdin("\x7f")
self.assertEqual(conn.written[-1], "\x08")
# CSI arrows pass through; application-cursor SS3 -> CSI.
sess.write_stdin("\x1b[D\x1b[C\x1b[A\x1b[B")
self.assertEqual(conn.written[-1], "\x02\x06\x10\x0e")
self.assertEqual(conn.written[-1], "\x1b[D\x1b[C\x1b[A\x1b[B")
sess.write_stdin("\x1bOD")
self.assertEqual(conn.written[-1], "\x1b[D")
sess.resize(120, 40)
conn.remote_conn.resize_pty.assert_called_with(width=120, height=40)
sess.close("test")
@ -73,7 +76,10 @@ class WebcrtServiceTests(unittest.TestCase):
self.assertEqual(svc.map_network_cli_keys("\x7fab"), "\x08ab")
self.assertEqual(svc.map_network_cli_keys("\x7fab", device_type="cisco_ios", vendor="Cisco"), "\x08ab")
self.assertEqual(svc.map_network_cli_keys("\x7fab", device_type="huawei", vendor="Huawei"), "\x08ab")
self.assertEqual(svc.map_network_cli_keys("\x1b[D"), "\x02")
# Keep CSI left; normalize SS3 application-cursor left.
self.assertEqual(svc.map_network_cli_keys("\x1b[D"), "\x1b[D")
self.assertEqual(svc.map_network_cli_keys("\x1bOD"), "\x1b[D")
self.assertEqual(svc.map_network_cli_keys("\x1bOA\x1bOB\x1bOC\x1bOD"), "\x1b[A\x1b[B\x1b[C\x1b[D")
self.assertTrue(svc.uses_network_cli_keymap("huawei", "Huawei"))
self.assertFalse(svc.uses_network_cli_keymap("linux", "bastion"))
self.assertEqual(svc.map_network_cli_enter("\r", _FakeConn()), "\n") # type: ignore[arg-type]