# HG changeset patch
# User John W. Eaton <jwe@octave.org>
# Date 1560964335 18000
# Node ID 0ad2ff3a3a6e6fd81b598fb74e95ade838a505ce
# Parent  8ebe70b98e978817c08bbdcffd7119bae1452ef8
allow lambda expressions to be passed to octave_link::post_event

* octave-link.h (octave_link::post_event, octave_link::do_post_event):
New overloads that can accept std::function and arguments.

diff -r 8ebe70b98e97 -r 0ad2ff3a3a6e libinterp/corefcn/octave-link.h
--- a/libinterp/corefcn/octave-link.h	Mon Jun 17 11:12:52 2019 -0500
+++ b/libinterp/corefcn/octave-link.h	Wed Jun 19 12:12:15 2019 -0500
@@ -104,6 +104,14 @@
     return retval;
   }
 
+  template <typename F, typename... Args>
+  static void
+  post_event (F&& fcn, Args&&... args)
+  {
+    if (enabled ())
+      instance->do_post_event (fcn, std::forward<Args> (args)...);
+  }
+
   template <typename T, typename... Params, typename... Args>
   static void
   post_event (T *obj, void (T::*method) (Params...), Args&&... args)
@@ -465,6 +473,12 @@
   void do_process_events (void);
   void do_discard_events (void);
 
+  template <typename F, typename... Args>
+  void do_post_event (F&& fcn, Args&&... args)
+  {
+    gui_event_queue.add (fcn, std::forward<Args> (args)...);
+  }
+
   template <typename T, typename... Params, typename... Args>
   void do_post_event (T *obj, void (T::*method) (Params...), Args&&... args)
   {