dix: add TouchResourceIsOwner helper function

The first listener in the sequence is the owner of the touch sequence.

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>
Reviewed-by: Chase Douglas <chase.douglas@canonical.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/dix/touch.c b/dix/touch.c
index 7207fd680..3e45e35a4 100644
--- a/dix/touch.c
+++ b/dix/touch.c
@@ -619,6 +619,16 @@ TouchGetPointerEventType(const InternalEvent *event)
 
 
 /**
+ * @returns TRUE if the specified grab or selection is the current owner of
+ * the touch sequence.
+ */
+Bool
+TouchResourceIsOwner(TouchPointInfoPtr ti, XID resource)
+{
+    return (ti->listeners[0].listener == resource);
+}
+
+/**
  * Add the resource to this touch's listeners.
  */
 void