From 8efbd818d289e10eb84a23e2b5918b8a2c7789f7 Mon Sep 17 00:00:00 2001
From: Aram Drevekenin <aram@poor.dev>
Date: Fri, 8 Nov 2024 19:45:25 +0100
Subject: [PATCH] also fix for cases where the changed lines are not contiguous

---
 zellij-server/src/output/mod.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/zellij-server/src/output/mod.rs b/zellij-server/src/output/mod.rs
index 4fcebea35..ccb5f6653 100644
--- a/zellij-server/src/output/mod.rs
+++ b/zellij-server/src/output/mod.rs
@@ -941,9 +941,13 @@ impl OutputBuffer {
             }
             changed_chunks
         } else {
-            let mut line_changes: Vec<_> = self.changed_lines.iter().copied().collect();
+            let mut line_changes: Vec<_> = self
+                .changed_lines
+                .iter()
+                .filter(|i| *i < &viewport_height)
+                .copied()
+                .collect();
             line_changes.sort_unstable();
-            line_changes.truncate(viewport_height);
             let mut changed_chunks = Vec::new();
             for line_index in line_changes {
                 let terminal_characters =