From f0591b4afb048fc210f123f370ccc2f5dcbc8f5f Mon Sep 17 00:00:00 2001
From: theprimeagen <theprimeagen@gmail.com>
Date: Thu, 3 Oct 2024 11:17:16 -0600
Subject: [PATCH] fix: scrolling with fraction produces different lines count
 due to @floor vs @trunc (-1 vs 1)

---
 src/Surface.zig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Surface.zig b/src/Surface.zig
index 3af7b8e9d..3e4501656 100644
--- a/src/Surface.zig
+++ b/src/Surface.zig
@@ -3745,7 +3745,7 @@ pub fn performBindingAction(self: *Surface, action: input.Binding.Action) !bool
 
         .scroll_page_fractional => |fraction| {
             const rows: f32 = @floatFromInt(self.grid_size.rows);
-            const delta: isize = @intFromFloat(@floor(fraction * rows));
+            const delta: isize = @intFromFloat(@trunc(fraction * rows));
             self.io.queueMessage(.{
                 .scroll_viewport = .{ .delta = delta },
             }, .unlocked);