From 93bc3f99c288be1fbac85884be5092890307cd17 Mon Sep 17 00:00:00 2001
From: Craige Leeder <cleeder@link2feed.com>
Date: Fri, 22 Aug 2025 15:40:03 -0400
Subject: [PATCH] Print TUI to stderr so that summary data can be captured and
 piped

Currently this only affects stopwatch, but could impact other clock
types if summary output is expanded upon.
---
 clock-tui/src/bin/main.rs | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/clock-tui/src/bin/main.rs b/clock-tui/src/bin/main.rs
index 6b95ea5..fa0428a 100644
--- a/clock-tui/src/bin/main.rs
+++ b/clock-tui/src/bin/main.rs
@@ -19,9 +19,9 @@ fn main() -> Result<(), Box<dyn Error>> {
 
     // Setup terminal
     enable_raw_mode()?;
-    let mut stdout = io::stdout();
-    stdout.execute(EnterAlternateScreen)?;
-    let backend = CrosstermBackend::new(&mut stdout);
+    let mut stderr = io::stderr();
+    stderr.execute(EnterAlternateScreen)?;
+    let backend = CrosstermBackend::new(&mut stderr);
     let mut terminal = Terminal::new(backend)?;
 
     // Load config and initialize app
@@ -64,7 +64,7 @@ fn main() -> Result<(), Box<dyn Error>> {
     terminal.show_cursor()?;
     drop(terminal);
     disable_raw_mode()?;
-    stdout.execute(LeaveAlternateScreen)?;
+    stderr.execute(LeaveAlternateScreen)?;
 
     // Perform logic such as printing the stopwatch time.
     // Must be done after leaving alternate screen.