From 7421a0b9e380c58fab6bd12ba86b58538847d6a8 Mon Sep 17 00:00:00 2001
From: Luflosi <luflosi@luflosi.de>
Date: Mon, 14 Jan 2019 00:07:17 +0100
Subject: [PATCH] Apply negative scroll multiplier in alternate screen mode
 Fixes kovidgoyal/kitty#1299

---
 kitty/mouse.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/kitty/mouse.c b/kitty/mouse.c
index c37db8b84..ee218ecc5 100644
--- a/kitty/mouse.c
+++ b/kitty/mouse.c
@@ -615,6 +615,8 @@ scroll_event(double UNUSED xoffset, double yoffset, int flags) {
             // Only use wheel_scroll_multiplier if we are scrolling kitty scrollback or in mouse
             // tracking mode, where the application is responsible for interpreting scroll events
             yoffset *= OPT(wheel_scroll_multiplier);
+        } else if (OPT(wheel_scroll_multiplier) < 0) {
+            yoffset *= -1;
         }
         s = (int) round(yoffset);
         // apparently on cocoa some mice generate really small yoffset values