Merge pull request #5551 from Textualize/fix-iterm-detect

willmcgugan · web-flow · commit 4ec7d38b612a · 2025-02-17T16:25:39.000Z
Fix detection of iTerm
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -5,6 +5,12 @@ 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/).
 
+## Unreleased
+
+### Fixed
+
+- Fixed smooth scrolling broken on iTerm over SSH https://github.com/Textualize/textual/pull/5551
+
 ## [2.0.4] - 2025-02-17
 
 ### Fixed
diff --git a/src/textual/_xterm_parser.py b/src/textual/_xterm_parser.py
@@ -43,7 +43,10 @@
 )
 
 
-IS_ITERM = os.environ.get("TERM_PROGRAM", "") == "iTerm.app"
+IS_ITERM = (
+    os.environ.get("LC_TERMINAL", "") == "iTerm2"
+    or os.environ.get("TERM_PROGRAM", "") == "iTerm.app"
+)
 
 
 class XTermParser(Parser[Message]):

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,10 @@`
`43`	`43`	`)`
`44`	`44`
`45`	`45`
`46`		`-IS_ITERM = os.environ.get("TERM_PROGRAM", "") == "iTerm.app"`
	`46`	`+IS_ITERM = (`
	`47`	`+ os.environ.get("LC_TERMINAL", "") == "iTerm2"`
	`48`	`+ or os.environ.get("TERM_PROGRAM", "") == "iTerm.app"`
	`49`	`+)`
`47`	`50`
`48`	`51`
`49`	`52`	`class XTermParser(Parser[Message]):`