From bb8a384d87ff85614cb51fad129c824b2bd2d972 Mon Sep 17 00:00:00 2001
From: Will McGugan <willmcgugan@gmail.com>
Date: Sun, 24 Apr 2022 08:51:03 +0100
Subject: [PATCH] optimization for Segment.divid

---
 CHANGELOG.md    |  1 +
 rich/segment.py | 10 ++++++++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12d99a5d..b82884a7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -22,6 +22,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - Setting `total=None` on progress is now possible, and will display pulsing animation
+- Micro-optimization for Segment.divide
 
 ## [12.2.0] - 2022-04-05
 
diff --git a/rich/segment.py b/rich/segment.py
index 1890cb61..d825cfca 100644
--- a/rich/segment.py
+++ b/rich/segment.py
@@ -611,9 +611,14 @@ class Segment(NamedTuple):
             yield []
         pos = 0
 
+        _cell_len = cell_len
         for segment in segments:
-            while segment.text:
-                end_pos = pos + segment.cell_length
+            text, _style, control = segment
+            while text:
+                if control:
+                    end_pos = pos
+                else:
+                    end_pos = pos + _cell_len(text)
                 if end_pos < cut:
                     add_segment(segment)
                     pos = end_pos
@@ -628,6 +633,7 @@ class Segment(NamedTuple):
                         break
                     else:
                         before, segment = segment.split_cells(cut - pos)
+                        text, _style, control = segment
                         add_segment(before)
                         yield split_segments[:]
                         del split_segments[:]