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-rw-r--r--keyboards/ploopyco/trackball/trackball.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/keyboards/ploopyco/trackball/trackball.c b/keyboards/ploopyco/trackball/trackball.c
index f819958734..bda21b5c88 100644
--- a/keyboards/ploopyco/trackball/trackball.c
+++ b/keyboards/ploopyco/trackball/trackball.c
@@ -119,7 +119,12 @@ report_mouse_t pointing_device_task_kb(report_mouse_t mouse_report) {
process_wheel();
if (is_drag_scroll) {
+#ifdef PLOOPY_DRAGSCROLL_H_INVERT
+ // Invert horizontal scroll direction
+ mouse_report.h = -mouse_report.x;
+#else
mouse_report.h = mouse_report.x;
+#endif
#ifdef PLOOPY_DRAGSCROLL_INVERT
// Invert vertical scroll direction
mouse_report.v = -mouse_report.y;