diff options
-rw-r--r-- | src/libinput.c | 2 | ||||
-rw-r--r-- | src/libinput.h | 2 |
2 files changed, 3 insertions, 1 deletions
diff --git a/src/libinput.c b/src/libinput.c index 202c239a..3f5370fa 100644 --- a/src/libinput.c +++ b/src/libinput.c @@ -1591,7 +1591,7 @@ libinput_device_config_scroll_set_button(struct libinput_device *device, LIBINPUT_CONFIG_SCROLL_ON_BUTTON_DOWN) == 0) return LIBINPUT_CONFIG_STATUS_UNSUPPORTED; - if (!libinput_device_has_button(device, button)) + if (button && !libinput_device_has_button(device, button)) return LIBINPUT_CONFIG_STATUS_INVALID; return device->config.scroll_mode->set_button(device, button); diff --git a/src/libinput.h b/src/libinput.h index 1536b97c..3b39c964 100644 --- a/src/libinput.h +++ b/src/libinput.h @@ -2169,6 +2169,8 @@ libinput_device_config_scroll_get_default_mode(struct libinput_device *device); * @note Setting the button does not change the scroll mode. To change the * scroll mode call libinput_device_config_scroll_set_mode(). * + * If the button is 0, button scrolling is effectively disabled. + * * @param device The device to configure * @param button The button which when pressed switches to sending scroll events * |