1 files changed, 12 insertions, 0 deletions

diff --git a/sway/ipc-json.c b/sway/ipc-json.c
index 2c4c52a3..34adfc74 100644
--- a/sway/ipc-json.c
+++ b/sway/ipc-json.c
@@ -1,3 +1,4 @@
+#include <float.h>
 #include <json.h>
 #include <libevdev/libevdev.h>
 #include <stdio.h>
@@ -1002,6 +1003,17 @@ json_object *ipc_json_describe_input(struct sway_input_device *device) {
                 }
         }
 
+        if (device->wlr_device->type == WLR_INPUT_DEVICE_POINTER) {
+                struct input_config *ic = input_device_get_config(device);
+                float scroll_factor = 1.0f;
+                if (ic != NULL && !isnan(ic->scroll_factor) && 
+                                ic->scroll_factor != FLT_MIN) {
+                        scroll_factor = ic->scroll_factor;
+                }
+                json_object_object_add(object, "scroll_factor", 
+                                json_object_new_double(scroll_factor));
+        }
+
         if (wlr_input_device_is_libinput(device->wlr_device)) {
                 struct libinput_device *libinput_dev;
                 libinput_dev = wlr_libinput_get_device_handle(device->wlr_device);