[gtk+] QEMU USB Tablet is not really a tablet - it's a trick

[Matthias Clasen <matthiasc src gnome org>]

commit d7e5fd2e2fa505535ddf31feda1ac0164061bd43
Author: Dominique Leuenberger <dominique-gnomezilla leuenberger net>
Date:   Tue Jan 12 08:29:00 2016 +0000

    QEMU USB Tablet is not really a tablet - it's a trick
    
    Unfortunately, Qemu gives us this confusing device to work with,
    and the best we can do is filter it out based on its name.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=760445

 gdk/x11/gdkdevicemanager-xi2.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gdk/x11/gdkdevicemanager-xi2.c b/gdk/x11/gdkdevicemanager-xi2.c
index 01fc7c6..72a8bcd 100644
--- a/gdk/x11/gdkdevicemanager-xi2.c
+++ b/gdk/x11/gdkdevicemanager-xi2.c
@@ -429,6 +429,7 @@ create_device (GdkDeviceManager *device_manager,
         input_source = GDK_SOURCE_PEN;
       else if (!strstr (tmp_name, "mouse") &&
                !strstr (tmp_name, "pointer") &&
+               !strstr (tmp_name, "qemu usb tablet") &&
                has_abs_axes (display, dev->classes, dev->num_classes))
         input_source = GDK_SOURCE_TOUCHSCREEN;
       else