Merge pull request #1439 from Textualize/fix-tree-overflow

Fix tree overflow

Author: willmcgugan

CHANGELOG.md

@@ -5,6 +5,11 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [0.8.1] - 2022-12-25
+
+### Fixed
+
+- Fix for overflowing tree issue https://github.com/Textualize/textual/issues/1425
 
 ## [0.8.0] - 2022-12-22
 

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "textual"
-version = "0.8.0"
+version = "0.8.1"
 homepage = "https://github.com/Textualize/textual"
 description = "Modern Text User Interface framework"
 authors = ["Will McGugan <[email protected]>"]

src/textual/widgets/_tree.py

@@ -787,7 +787,7 @@ def get_guides(style: Style) -> tuple[str, str, str, str]:
             segments = line_pad(segments, 0, pad_width - guides.cell_len, line_style)
             self._line_cache[cache_key] = segments
 
-        segments = line_crop(segments, x1, x2, width)
+        segments = line_crop(segments, x1, x2, Segment.get_line_length(segments))
 
         return segments