From 9c45ce63039f0d4a9fb077a546cdd1e969a49df3 Mon Sep 17 00:00:00 2001
From: Ayman Bagabas <ayman.bagabas@gmail.com>
Date: Fri, 17 Jan 2025 07:44:03 -0500
Subject: Add support for DECST8C

See https://vt100.net/docs/vt510-rm/DECST8C.html.
---
 CHANGELOG.md | 4 ++++
 src/ansi.rs  | 4 ++++
 2 files changed, 8 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 42aeae9..53b2046 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,10 @@
 CHANGELOG
 =========
 
+## Unreleased
+
+- Support `CSI ? 5 W` to reset tabs stops to every 8th column
+
 ## 0.14.1
 
 - Crash when partial advance buffer stopped inside some grapheme boundaries
diff --git a/src/ansi.rs b/src/ansi.rs
index fa5b1ed..a0d5e51 100644
--- a/src/ansi.rs
+++ b/src/ansi.rs
@@ -612,6 +612,9 @@ pub trait Handler {
     /// Clear tab stops.
     fn clear_tabs(&mut self, _mode: TabulationClearMode) {}
 
+    /// Set tab stops at every `interval`.
+    fn set_tabs(&mut self, _interval: u16) {}
+
     /// Reset terminal state.
     fn reset_state(&mut self) {}
 
@@ -1574,6 +1577,7 @@ where
             ('E', []) => handler.move_down_and_cr(next_param_or(1) as usize),
             ('F', []) => handler.move_up_and_cr(next_param_or(1) as usize),
             ('G', []) | ('`', []) => handler.goto_col(next_param_or(1) as usize - 1),
+            ('W', [b'?']) if next_param_or(0) == 5 => handler.set_tabs(8),
             ('g', []) => {
                 let mode = match next_param_or(0) {
                     0 => TabulationClearMode::Current,
-- 
cgit