[gnome-control-center/wip/carlosg/calibrator-fixes: 12/12] wacom: Explicitly discard input from touchscreens

[Carlos Garnacho <carlosg src gnome org>]

commit 959edb8a45b232ebeb89b02111150a9afefcf2b5
Author: Carlos Garnacho <carlosg gnome org>
Date:   Sat Feb 12 14:54:37 2022 +0100

    wacom: Explicitly discard input from touchscreens
    
    Closes: https://gitlab.gnome.org/GNOME/gnome-control-center/-/issues/1612

 panels/wacom/calibrator/calibrator-gui.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/panels/wacom/calibrator/calibrator-gui.c b/panels/wacom/calibrator/calibrator-gui.c
index 8314f7b65..2d5d7ec05 100644
--- a/panels/wacom/calibrator/calibrator-gui.c
+++ b/panels/wacom/calibrator/calibrator-gui.c
@@ -151,6 +151,9 @@ on_gesture_press (GtkGestureClick *gesture,
 
   source = gtk_gesture_get_device (GTK_GESTURE (gesture));
 
+  if (gdk_device_get_source (source) == GDK_SOURCE_TOUCHSCREEN)
+    return;
+
   /* Check matching device if a device was provided */
   if (area->device && area->device != source)
     {