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-rw-r--r--src/eventcomm.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/eventcomm.c b/src/eventcomm.c
index cddf7fc..3a9d45d 100644
--- a/src/eventcomm.c
+++ b/src/eventcomm.c
@@ -325,6 +325,15 @@ event_query_is_touchpad(struct libevdev *evdev)
libevdev_has_event_code(evdev, EV_ABS, BTN_TOOL_PEN)) /* Don't match wacom tablets */
return FALSE;
+ if (libevdev_has_event_code(evdev, EV_ABS, ABS_MT_SLOT)) {
+ if (libevdev_get_num_slots(evdev) == -1)
+ return FALSE; /* Ignore fake MT devices */
+
+ if (!libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_X) ||
+ !libevdev_has_event_code(evdev, EV_ABS, ABS_MT_POSITION_Y))
+ return FALSE;
+ }
+
return TRUE;
}