From a29c3172174c1ac1c5642983670b9ea0dbea4525 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Mon, 21 May 2018 22:09:34 +0530
Subject: [PATCH] Add code to disable terminal echo to non_blocking_read

---
 kitty/utils.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kitty/utils.py b/kitty/utils.py
index 329293410..46b5213b9 100644
--- a/kitty/utils.py
+++ b/kitty/utils.py
@@ -335,7 +335,7 @@ def make_fd_non_blocking(fd):
 
 
 @contextmanager
-def non_blocking_read(src=sys.stdin):
+def non_blocking_read(src=sys.stdin, disable_echo=False):
     import termios
     import tty
     import fcntl
@@ -343,6 +343,10 @@ def non_blocking_read(src=sys.stdin):
     if src.isatty():
         old = termios.tcgetattr(fd)
         tty.setraw(fd)
+        if disable_echo:
+            new = list(old)
+            new[3] |= termios.ECHO
+            termios.tcsetattr(fd, termios.TCSANOW, new)
     oldfl = make_fd_non_blocking(fd)
     yield fd
     if src.isatty():