1 files changed, 15 insertions, 0 deletions

diff --git a/sway/input/libinput.c b/sway/input/libinput.c
index dd4fc0be..43875634 100644
--- a/sway/input/libinput.c
+++ b/sway/input/libinput.c
@@ -166,6 +166,18 @@ static bool set_scroll_button(struct libinput_device *dev, uint32_t button) {
         return true;
 }
 
+static bool set_scroll_button_lock(struct libinput_device *dev,
+                enum libinput_config_scroll_button_lock_state lock) {
+        uint32_t scroll = libinput_device_config_scroll_get_methods(dev);
+        if ((scroll & ~LIBINPUT_CONFIG_SCROLL_NO_SCROLL) == 0 ||
+                        libinput_device_config_scroll_get_button_lock(dev) == lock) {
+                return false;
+        }
+        sway_log(SWAY_DEBUG, "scroll_set_button_lock(%" PRIu32 ")", lock);
+        log_status(libinput_device_config_scroll_set_button_lock(dev, lock));
+        return true;
+}
+
 static bool set_dwt(struct libinput_device *device, bool dwt) {
         if (!libinput_device_config_dwt_is_available(device) ||
                         libinput_device_config_dwt_get_enabled(device) == dwt) {
@@ -276,6 +288,9 @@ bool sway_input_configure_libinput_device(struct sway_input_device *input_device
         if (ic->scroll_button != INT_MIN) {
                 changed |= set_scroll_button(device, ic->scroll_button);
         }
+        if (ic->scroll_button_lock != INT_MIN) {
+                changed |= set_scroll_button_lock(device, ic->scroll_button_lock);
+        }
         if (ic->dwt != INT_MIN) {
                 changed |= set_dwt(device, ic->dwt);
         }