[orca] Treat selection changes like focus changes for the purpose of script activation

[Joanmarie Diggs <joanied src gnome org>]

commit 3b51f17a2b3624470389dd840736ecbe94c514c1
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Mon Mar 26 14:13:42 2018 -0400

    Treat selection changes like focus changes for the purpose of script activation

 src/orca/event_manager.py |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/orca/event_manager.py b/src/orca/event_manager.py
index 21503df..c626b23 100644
--- a/src/orca/event_manager.py
+++ b/src/orca/event_manager.py
@@ -612,7 +612,8 @@ class EventManager:
             return True, "window:activate event"
 
         if eType.startswith('focus') \
-           or (eType.startswith('object:state-changed:focused')
+           or (eType.startswith('object:state-changed:focused') \
+               or eType.startswith('object:state-changed:selected') \
                and event.detail1):
             return True, "Event source claimed focus."