From 10bf182c5d9115a4c15ef211caaf80a50f6c8faf Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Fri, 16 Jun 2023 06:51:11 -0600
Subject: [PATCH] Fix line wrap and scroll

---
 src/buffer.rs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/buffer.rs b/src/buffer.rs
index a98f58c..223cd36 100644
--- a/src/buffer.rs
+++ b/src/buffer.rs
@@ -246,7 +246,11 @@ impl<'b> Iterator for LayoutRunIter<'b> {
                     continue;
                 }
 
-                let line_y = self.line_i as f32 * self.buffer.metrics.line_height;
+                let line_y = self
+                    .total_layout
+                    .saturating_sub(self.buffer.scroll)
+                    .saturating_sub(1) as f32
+                    * self.buffer.metrics.line_height;
                 let glyph_height = layout_line.max_ascent + layout_line.max_descent;
                 let centering_offset = (self.buffer.metrics.line_height - glyph_height) / 2.0;