From 54d08a0575361318556d3dbd067268fdeabd6186 Mon Sep 17 00:00:00 2001
From: Chad Brokaw <cbrokaw@gmail.com>
Date: Wed, 14 Aug 2024 21:36:17 -0400
Subject: [PATCH] swap ops

---
 parley/src/layout/cursor.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/parley/src/layout/cursor.rs b/parley/src/layout/cursor.rs
index fcb4a801..a91f6be8 100644
--- a/parley/src/layout/cursor.rs
+++ b/parley/src/layout/cursor.rs
@@ -164,7 +164,7 @@ impl Cursor {
     ///
     /// Returns `None` if the cursor should remain in its current position.
     pub fn next_line<B: Brush>(&self, layout: &Layout<B>, h_pos: Option<f32>) -> Option<Cursor> {
-        move_to_line(layout, self, h_pos, self.path.line_index.checked_sub(1)?)
+        move_to_line(layout, self, h_pos, self.path.line_index.checked_add(1)?)
     }
 
     /// Given the layout that generated this cursor, return a new cursor
@@ -175,7 +175,7 @@ impl Cursor {
     ///
     /// Returns `None` if the cursor should remain in its current position.
     pub fn prev_line<B: Brush>(&self, layout: &Layout<B>, h_pos: Option<f32>) -> Option<Cursor> {
-        move_to_line(layout, self, h_pos, self.path.line_index.checked_add(1)?)
+        move_to_line(layout, self, h_pos, self.path.line_index.checked_sub(1)?)
     }
 }