From c4c875b860d9a447967b625f67748e962b697652 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Mon, 23 Feb 2015 10:10:54 +1100
Subject: Fix non-BMP character entry through the inline IME.

---
 src/UniConversion.h | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/UniConversion.h')

diff --git a/src/UniConversion.h b/src/UniConversion.h
index 8c7ac4a27..08898cac3 100644
--- a/src/UniConversion.h
+++ b/src/UniConversion.h
@@ -55,6 +55,12 @@ inline bool UTF8IsNEL(const unsigned char *us) {
 	return (us[0] == 0xc2) && (us[1] == 0x85);
 }
 
+enum { SURROGATE_LEAD_FIRST = 0xD800 };
+enum { SURROGATE_LEAD_LAST = 0xDBFF };
+inline unsigned int UTF16CharLength(wchar_t uch) {
+	return ((uch >= SURROGATE_LEAD_FIRST) && (uch <= SURROGATE_LEAD_LAST)) ? 2 : 1;
+}
+
 #ifdef SCI_NAMESPACE
 }
 #endif
-- 
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