[gtk+] xi2: Add some more debug output about scroll devices

[Matthias Clasen <matthiasc src gnome org>]

commit 9687ac33b8920d392ca4deb882287d9938d24c58
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Mar 2 22:53:03 2012 -0500

    xi2: Add some more debug output about scroll devices

 gdk/x11/gdkdevicemanager-xi2.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkdevicemanager-xi2.c b/gdk/x11/gdkdevicemanager-xi2.c
index d1e6b3b..b4a0256 100644
--- a/gdk/x11/gdkdevicemanager-xi2.c
+++ b/gdk/x11/gdkdevicemanager-xi2.c
@@ -246,6 +246,13 @@ translate_device_classes (GdkDisplay      *display,
             else
               direction = GDK_SCROLL_RIGHT;
 
+            GDK_NOTE (INPUT,
+                      g_message ("\n\tscroll valuator %d: %s",
+                                 scroll_info->number,
+                                 scroll_info->scroll_type == XIScrollTypeVertical
+                                                ? "vertical"
+                                                : "horizontal"));
+
             _gdk_x11_device_xi2_add_scroll_valuator (GDK_X11_DEVICE_XI2 (device),
                                                      scroll_info->number,
                                                      direction);