[gnome-control-center] mouse: Check synaptics capabilities only on X11

[Rui Matos <rtcm src gnome org>]

commit d341f77756e24bc24e4ebcc2299c9ba2a9d8d863
Author: Rui Matos <tiagomatos gmail com>
Date:   Tue Jan 20 21:17:13 2015 +0100

    mouse: Check synaptics capabilities only on X11
    
    On other backends we don't have a way to check for synaptics
    capabilities so we just show all the touchpad knobs there.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=743266

 panels/mouse/gnome-mouse-properties.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)
---
diff --git a/panels/mouse/gnome-mouse-properties.c b/panels/mouse/gnome-mouse-properties.c
index 3e45ec8..2c7079b 100644
--- a/panels/mouse/gnome-mouse-properties.c
+++ b/panels/mouse/gnome-mouse-properties.c
@@ -98,7 +98,7 @@ scrollmethod_changed_event (GtkToggleButton *button, CcMousePropertiesPrivate *d
 }
 
 static void
-synaptics_check_capabilities (CcMousePropertiesPrivate *d)
+synaptics_check_capabilities_x11 (CcMousePropertiesPrivate *d)
 {
        int numdevices, i;
        XDeviceInfo *devicelist;
@@ -146,6 +146,14 @@ synaptics_check_capabilities (CcMousePropertiesPrivate *d)
        XFreeDeviceList (devicelist);
 }
 
+static void
+synaptics_check_capabilities (CcMousePropertiesPrivate *d)
+{
+       if (GDK_IS_X11_DISPLAY (gdk_display_get_default ()))
+               synaptics_check_capabilities_x11 (d);
+       /* else we unconditionally show all touchpad knobs */
+}
+
 static gboolean
 get_touchpad_enabled (GSettings *settings)
 {