From 73cc36ce71b49c1e4966094f92410b237d4109fb Mon Sep 17 00:00:00 2001
From: Arne Keller <arne.keller@posteo.de>
Date: Sun, 28 Mar 2021 14:29:33 +0200
Subject: [PATCH] Measure text width using Unicode segmentation

---
 Cargo.toml | 5 ++++-
 src/lib.rs | 4 +++-
 2 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 50372c9..9256a47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "ascii_table"
-version = "3.0.2"
+version = "4.0.0-alpha"
 authors = ["Gerrit Viljoen <red.striker@protonmail.com>"]
 license = "MIT"
 edition = "2018"
@@ -15,3 +15,6 @@ keywords = ["ascii", "table"]
 
 [dev-dependencies]
 colorful = "0.2"
+
+[dependencies]
+unicode-segmentation = "1.7.1"
diff --git a/src/lib.rs b/src/lib.rs
index 10abcf3..93276d6 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -58,6 +58,8 @@ mod test;
 use std::collections::BTreeMap;
 use std::fmt::Display;
 
+use unicode_segmentation::UnicodeSegmentation;
+
 const SE: &str = "┌";
 const NW: &str = "┘";
 const SW: &str = "┐";
@@ -396,7 +398,7 @@ impl SmartString {
     fn char_len(&self) -> usize {
         self.fragments.iter()
             .filter(|(visible, _)| *visible)
-            .map(|(_, string)| string.chars().count())
+            .map(|(_, string)| UnicodeSegmentation::graphemes(string.as_str(), true).count())
             .sum()
     }