From b4e113c6a424ba9800abab79de378edadde4f0cb Mon Sep 17 00:00:00 2001
From: Aram Drevekenin <aram@poor.dev>
Date: Wed, 30 Mar 2022 09:48:41 +0200
Subject: [PATCH] fix(compatibility): don't crash on invalid state when padding
 line (#1285)

---
 zellij-server/src/panes/grid.rs | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/zellij-server/src/panes/grid.rs b/zellij-server/src/panes/grid.rs
index 63b02684..e9058099 100644
--- a/zellij-server/src/panes/grid.rs
+++ b/zellij-server/src/panes/grid.rs
@@ -1066,6 +1066,9 @@ impl Grid {
     }
 
     fn pad_current_line_until(&mut self, position: usize) {
+        if self.viewport.get(self.cursor.y).is_none() {
+            self.pad_lines_until(self.cursor.y, EMPTY_TERMINAL_CHARACTER);
+        }
         let current_row = self.viewport.get_mut(self.cursor.y).unwrap();
         for _ in current_row.width()..position {
             current_row.push(EMPTY_TERMINAL_CHARACTER);