From ef49a9243b15cade7bec006f90cd0457c247e000 Mon Sep 17 00:00:00 2001
From: Anomalocaridid <Duncan@anomalocaris.xyz>
Date: Sun, 28 Feb 2021 01:16:04 -0500
Subject: [PATCH] Implement PLOOPY_DRAGSCROLL_INVERT option, which inverts the
 ploopy trackball's DRAG_SCROLL's vertical scroll direction. (#12032)

---
 keyboards/ploopyco/trackball/trackball.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/keyboards/ploopyco/trackball/trackball.c b/keyboards/ploopyco/trackball/trackball.c
index f59f9788f9..c5effd0050 100644
--- a/keyboards/ploopyco/trackball/trackball.c
+++ b/keyboards/ploopyco/trackball/trackball.c
@@ -255,7 +255,12 @@ void pointing_device_task(void) {
 
     if (is_drag_scroll) {
         mouse_report.h = mouse_report.x;
+#ifdef PLOOPY_DRAGSCROLL_INVERT
+        // Invert vertical scroll direction
+        mouse_report.v = -mouse_report.y;
+#else
         mouse_report.v = mouse_report.y;
+#endif
         mouse_report.x = 0;
         mouse_report.y = 0;
     }