master 006a447455: Improve behavior of Motif popup menus on XI2

[Po Lu]

branch: master
commit 006a4474551ed43515c6249d2ed4cfcaefd9b7a5
Author: Po Lu <luangruo@yahoo.com>
Commit: Po Lu <luangruo@yahoo.com>

    Improve behavior of Motif popup menus on XI2
    
    * src/xmenu.c (create_and_show_popup_menu): Set input focus to
    menu window.
---
 src/xmenu.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/xmenu.c b/src/xmenu.c
index fb80221e15..e085fa1ace 100644
--- a/src/xmenu.c
+++ b/src/xmenu.c
@@ -1728,6 +1728,15 @@ create_and_show_popup_menu (struct frame *f, 
widget_value *first_wv,
 
   /* Display the menu.  */
   lw_popup_menu (menu, &dummy);
+
+#if defined HAVE_XINPUT2 && defined USE_MOTIF
+  /* This is needed to prevent XI_Enter events that set an implicit
+     focus from being sent.  */
+  if (dpyinfo->supports_xi2)
+    XSetInputFocus (XtDisplay (menu), XtWindow (menu),
+                   RevertToParent, CurrentTime);
+#endif
+
   popup_activated_flag = 1;
 
 #if defined HAVE_XINPUT2 && !defined USE_MOTIF