[gtk+] Document new api

[Matthias Clasen <matthiasc src gnome org>]

commit 4add8f3b6349e8068969d0a3a6dc55889b639dc6
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue May 10 15:22:35 2016 -0400

    Document new api

 docs/reference/gdk/gdk3-sections.txt |    1 +
 gdk/gdkevents.c                      |   11 +++++++++++
 2 files changed, 12 insertions(+), 0 deletions(-)
---
diff --git a/docs/reference/gdk/gdk3-sections.txt b/docs/reference/gdk/gdk3-sections.txt
index 05efa22..0ca8d48 100644
--- a/docs/reference/gdk/gdk3-sections.txt
+++ b/docs/reference/gdk/gdk3-sections.txt
@@ -883,6 +883,7 @@ gdk_events_get_distance
 gdk_event_triggers_context_menu
 gdk_event_get_seat
 gdk_event_get_scancode
+gdk_event_get_pointer_emulated
 
 <SUBSECTION>
 gdk_event_handler_set
diff --git a/gdk/gdkevents.c b/gdk/gdkevents.c
index 94c1842..177ff27 100644
--- a/gdk/gdkevents.c
+++ b/gdk/gdkevents.c
@@ -609,6 +609,17 @@ gdk_event_set_pointer_emulated (GdkEvent *event,
     }
 }
 
+/**
+ * gdk_event_get_pointer_emulated:
+ * #event: a #GdkEvent
+ *
+ * Returns whether this event is an 'emulated' pointer event (typically
+ * from a touch event), as opposed to a real one.
+ *
+ * Returns: %TRUE if this event is emulated
+ *
+ * Since: 3.22
+ */
 gboolean
 gdk_event_get_pointer_emulated (GdkEvent *event)
 {