Implement PLOOPY_DRAGSCROLL_INVERT option, which inverts the ploopy t…

…rackball's DRAG_SCROLL's vertical scroll direction. (#12032)
qmk · Feb 28, 2021 · ef49a92 · ef49a92
1 parent db7c856
commit ef49a92
Showing 1 changed file with 5 additions and 0 deletions.
diff --git 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;
     }