From 9235238191dd292e9a875ad6013f466dc4dad152 Mon Sep 17 00:00:00 2001
From: Maxime Coste <mawww@kakoune.org>
Date: Mon, 9 Sep 2019 22:36:35 +1000
Subject: [PATCH] Fix input coming in packets characters being dropped

---
 src/ncurses_ui.cc | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/ncurses_ui.cc b/src/ncurses_ui.cc
index 0add3a6b..a68286c4 100644
--- a/src/ncurses_ui.cc
+++ b/src/ncurses_ui.cc
@@ -644,14 +644,15 @@ Optional<Key> NCursesUI::get_next_key()
         if (c == 127)
             return {Key::Backspace};
 
-       struct getch_iterator
+       struct Sentinel{};
+       struct CharIterator
        {
-           unsigned char operator*() { return *c; }
-           getch_iterator& operator++() { c = get_char(); return *this; }
-           bool operator==(const getch_iterator&) const { return not c; }
+           unsigned char operator*() { if (not c) c = get_char().value_or((unsigned char)0); return *c; }
+           CharIterator& operator++() { c.reset(); return *this; }
+           bool operator==(const Sentinel&) const { return false; }
            Optional<unsigned char> c;
        };
-       return Key{utf8::codepoint(getch_iterator{c}, getch_iterator{})};
+       return Key{utf8::codepoint(CharIterator{c}, Sentinel{})};
     };
 
     auto parse_csi = [this]() -> Optional<Key> {