From 0f81e32433d1dedf5daf128ece3423f2b2a56098 Mon Sep 17 00:00:00 2001
From: Chris Michael <cp.michael@samsung.com>
Date: Wed, 14 Dec 2016 08:59:56 -0500
Subject: [PATCH] elput: Add API functions to get/set the scroll method for a
 touchpad device

This patch adds API functions which can be used to get or set the
scroll method used for a given device. Scroll method defines when to
generate scroll axis events

@feature

Signed-off-by: Chris Michael <cp.michael@samsung.com>
---
 src/lib/elput/Elput.h       | 27 +++++++++++++++++++++++++++
 src/lib/elput/elput_touch.c | 20 ++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/src/lib/elput/Elput.h b/src/lib/elput/Elput.h
index c69e0b4..40bc2d9 100644
--- a/src/lib/elput/Elput.h
+++ b/src/lib/elput/Elput.h
@@ -514,6 +514,33 @@ EAPI Eina_Bool elput_touch_dwt_enabled_set(Elput_Device *device, Eina_Bool enabl
  */
 EAPI Eina_Bool elput_touch_dwt_enabled_get(Elput_Device *device);
 
+/**
+ * Set the scroll method used for this device. The scroll method defines when
+ * to generate scroll axis events instead of pointer motion events.
+ *
+ * @param device
+ * @param method
+ *
+ * @return EINA_TRUE on success, EINA_FALSE otherwise
+ *
+ * @ingroup Elput_Touch_Group
+ * @since 1.19
+ */
+EAPI Eina_Bool elput_touch_scroll_method_set(Elput_Device *device, int method);
+
+/**
+ * Get the current scroll method set on a device
+ *
+ * @param device
+ *
+ * @return The current scroll method
+ *
+ * @ingroup Elput_Touch_Group
+ * @since 1.19
+ */
+EAPI int elput_touch_scroll_method_get(Elput_Device *device);
+
+
 # endif
 
 # undef EAPI
diff --git a/src/lib/elput/elput_touch.c b/src/lib/elput/elput_touch.c
index f26318d..821d33d 100644
--- a/src/lib/elput/elput_touch.c
+++ b/src/lib/elput/elput_touch.c
@@ -98,3 +98,23 @@ elput_touch_dwt_enabled_get(Elput_Device *device)
 
    return libinput_device_config_dwt_get_enabled(device->device);
 }
+
+EAPI Eina_Bool
+elput_touch_scroll_method_set(Elput_Device *device, int method)
+{
+   EINA_SAFETY_ON_NULL_RETURN_VAL(device, EINA_FALSE);
+
+   if (libinput_device_config_scroll_set_method(device->device, method) ==
+       LIBINPUT_CONFIG_STATUS_SUCCESS)
+     return EINA_TRUE;
+
+   return EINA_FALSE;
+}
+
+EAPI int
+elput_touch_scroll_method_get(Elput_Device *device)
+{
+   EINA_SAFETY_ON_NULL_RETURN_VAL(device, -1);
+
+   return libinput_device_config_scroll_get_method(device->device);
+}
-- 
2.7.4