From 7a3534baf8fba8a2ad14f472145f9232cb606e73 Mon Sep 17 00:00:00 2001
From: Kovid Goyal <kovid@kovidgoyal.net>
Date: Fri, 30 Mar 2018 13:50:08 +0530
Subject: [PATCH] Make ascii control char test nicer

---
 kitty/keys.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/kitty/keys.c b/kitty/keys.c
index 0704816ee..7d73004f8 100644
--- a/kitty/keys.c
+++ b/kitty/keys.c
@@ -92,12 +92,17 @@ send_key_to_child(Window *w, int key, int mods, int action) {
     }
 }
 
+static inline bool
+is_ascii_control_char(char c) {
+    return (0 <= c && c <= 31) || c == 127;
+}
+
 void
 on_key_input(int key, int scancode, int action, int mods, const char* text, int state UNUSED) {
     Window *w = active_window();
     if (!w) return;
     Screen *screen = w->render_data.screen;
-    bool has_text = text && (text[0] > 31 && text[0] != 127);
+    bool has_text = text && !is_ascii_control_char(text[0]);
 #ifdef __APPLE__
     if (has_text && IS_ALT_MODS(mods) && OPT(macos_option_as_alt)) has_text = false;
 #endif