From a2e97a86d0155bffa33728290d26de4c8030b8d1 Mon Sep 17 00:00:00 2001
From: Mitchell Hashimoto <mitchell.hashimoto@gmail.com>
Date: Mon, 11 Mar 2024 19:58:36 -0700
Subject: [PATCH] terminal: PageList adjustCap should start from original cap

---
 src/terminal/PageList.zig | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/terminal/PageList.zig b/src/terminal/PageList.zig
index ebf1c7bec..e45f1d328 100644
--- a/src/terminal/PageList.zig
+++ b/src/terminal/PageList.zig
@@ -1561,9 +1561,9 @@ pub fn adjustCapacity(
     page: *List.Node,
     adjustment: AdjustCapacity,
 ) !*List.Node {
-    // We always use our base capacity which is our standard
-    // adjusted for our column size.
-    var cap = try std_capacity.adjust(.{ .cols = self.cols });
+    // We always start with the base capacity of the existing page. This
+    // ensures we never shrink from what we need.
+    var cap = page.data.capacity;
 
     // From there, we increase our capacity as required
     if (adjustment.styles) |v| {
@@ -1571,6 +1571,8 @@ pub fn adjustCapacity(
         cap.styles = @max(cap.styles, aligned);
     }
 
+    log.info("adjusting page capacity={}", .{cap});
+
     // Create our new page and clone the old page into it.
     const new_page = try self.createPage(cap);
     errdefer self.destroyPage(new_page);