1 files changed, 79 insertions, 2 deletions
diff --git a/plugins/mouse/msd-mouse-manager.c b/plugins/mouse/msd-mouse-manager.c
index 80d19f2..b48189b 100644
--- a/plugins/mouse/msd-mouse-manager.c
+++ b/plugins/mouse/msd-mouse-manager.c
@@ -962,8 +962,8 @@ set_natural_scroll_all (MsdMouseManager *manager)
 }
 
 static void
-set_scrolling (XDeviceInfo *device_info,
- GSettings *settings)
+set_scrolling_synaptics (XDeviceInfo *device_info,
+ GSettings *settings)
 {
 touchpad_set_bool (device_info, "Synaptics Edge Scrolling", 0, g_settings_get_boolean (settings, KEY_VERT_EDGE_SCROLL));
 touchpad_set_bool (device_info, "Synaptics Edge Scrolling", 1, g_settings_get_boolean (settings, KEY_HORIZ_EDGE_SCROLL));
@@ -972,6 +972,83 @@ set_scrolling (XDeviceInfo *device_info,
 }
 
 static void
+set_scrolling_libinput (XDeviceInfo *device_info,
+ GSettings *settings)
+{
+ XDevice *device;
+ int format, rc;
+ unsigned long nitems, bytes_after;
+ unsigned char *data;
+ Atom prop, type;
+ gboolean want_edge, want_2fg;
+ gboolean want_horiz;
+
+ prop = property_from_name ("libinput Scroll Method Enabled");
+ if (!prop)
+ return;
+
+ device = device_is_touchpad (device_info);
+ if (device == NULL) {
+ return;
+ }
+
+ want_2fg = g_settings_get_boolean (settings, KEY_VERT_TWO_FINGER_SCROLL);
+ want_edge = g_settings_get_boolean (settings, KEY_VERT_EDGE_SCROLL);
+
+ /* libinput only allows for one scroll method at a time.
+ * If both are set, pick 2fg scrolling.
+ */
+ if (want_2fg)
+ want_edge = FALSE;
+
+ g_debug ("setting scroll method on %s", device_info->name);
+
+ gdk_error_trap_push ();
+ rc = XGetDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device, prop, 0, 2,
+ False, XA_INTEGER, &type, &format, &nitems,
+ &bytes_after, &data);
+
+ if (rc == Success && type == XA_INTEGER && format == 8 && nitems >= 3) {
+ data[0] = want_2fg;
+ data[1] = want_edge;
+ XChangeDeviceProperty (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device,
+ prop, XA_INTEGER, 8, PropModeReplace, data, nitems);
+ }
+
+ if (rc == Success)
+ XFree (data);
+
+ XCloseDevice (GDK_DISPLAY_XDISPLAY (gdk_display_get_default ()), device);
+ if (gdk_error_trap_pop ()) {
+ g_warning ("Error in setting scroll method on \"%s\"", device_info->name);
+ }
+
+ /* Horizontal scrolling is handled by xf86-input-libinput and
+ * there's only one bool. Pick the one matching the scroll method
+ * we picked above.
+ */
+ if (want_2fg)
+ want_horiz = g_settings_get_boolean (settings, KEY_HORIZ_TWO_FINGER_SCROLL);
+ else if (want_edge)
+ want_horiz = g_settings_get_boolean (settings, KEY_HORIZ_EDGE_SCROLL);
+ else
+ return;
+
+ touchpad_set_bool (device_info, "libinput Horizontal Scroll Enabled", 0, want_horiz);
+}
+
+static void
+set_scrolling (XDeviceInfo *device_info,
+ GSettings *settings)
+{
+ if (property_from_name ("Synaptics Edge Scrolling"))
+ set_scrolling_synaptics (device_info, settings);
+
+ if (property_from_name ("libinput Scroll Method Enabled"))
+ set_scrolling_libinput (device_info, settings);
+}
+
+static void
 set_scrolling_all (GSettings *settings)
 {
 int numdevices, i;