From a120b252866859a439b4d0e48d728dbe62676afd Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 18 Nov 2016 11:31:48 +0530
Subject: [PATCH] Stub for DCS codes

---
 kitty/parser.c        | 6 +++++-
 kitty_tests/parser.py | 6 ++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/kitty/parser.c b/kitty/parser.c
index d532123e7..010138033 100644
--- a/kitty/parser.c
+++ b/kitty/parser.c
@@ -486,7 +486,11 @@ HANDLER(osc) {
 
 // Parse DCS {{{
 HANDLER(dcs) {
-    screen->parser_state = NORMAL_STATE;
+    // http://invisible-island.net/xterm/ctlseqs/ctlseqs.html#h2-Device-Control-functions
+    uint8_t ch = buf[(*pos)++];
+    if (ch == ST) {
+        SET_STATE(NORMAL_STATE);
+    }
 }
 // }}}
 
diff --git a/kitty_tests/parser.py b/kitty_tests/parser.py
index 67a6df253..e9d915be8 100644
--- a/kitty_tests/parser.py
+++ b/kitty_tests/parser.py
@@ -146,3 +146,9 @@ class TestScreen(BaseTest):
         c.clear()
         pb('\033]2;;;;\x07', ('set_title', 3))
         self.ae(c.titlebuf, b';;;')
+
+    def test_dcs_codes(self):
+        s = self.create_screen()
+        pb = partial(self.parse_bytes_dump, s)
+        pb(b'a\033P2;xyz\x9cbcde')
+        self.ae(str(s.line(0)), 'abcde')