Implement an NX interface to block flush message queues in multi-user mode. This is necessary to prevent stale window handles when a window is closed

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@4745 42af7a65-404d-4744-a932-0658087f49c3

1 files changed, 11 insertions, 0 deletions

diff --git a/NxWidgets/libnxwidgets/src/cwindoweventhandlerlist.cxx b/NxWidgets/libnxwidgets/src/cwindoweventhandlerlist.cxx
index 5f3048b63..15b2c65ff 100644
--- a/NxWidgets/libnxwidgets/src/cwindoweventhandlerlist.cxx
+++ b/NxWidgets/libnxwidgets/src/cwindoweventhandlerlist.cxx
@@ -160,3 +160,14 @@ void CWindowEventHandlerList::raiseKeyboardEvent(void)
 #endif
 }
 
+/**
+ * Raise an NX window blocked event.
+ */
+
+void CWindowEventHandlerList::raiseBlockedEvent(void)
+{
+  for (int i = 0; i < m_eventHandlers.size(); ++i)
+    {
+      m_eventHandlers.at(i)->handleBlockedEvent();
+    }
+}