From b6b4695492baff990f5cb4c50522fd6a72c2773d Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 12 Jun 2006 13:32:56 +0000
Subject: [PATCH] redirect to the page only the help events coming from this
 control itself to avoid infinite recursion when we get a help event
 originally sent to the page

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@39684 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---
 src/common/bookctrl.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/common/bookctrl.cpp b/src/common/bookctrl.cpp
index 2ee818f20c..16e4cf3e9a 100644
--- a/src/common/bookctrl.cpp
+++ b/src/common/bookctrl.cpp
@@ -164,6 +164,15 @@ wxSize wxBookCtrlBase::DoGetBestSize() const
 #if wxUSE_HELP
 void wxBookCtrlBase::OnHelp(wxHelpEvent& event)
 {
+    // ignore the events not coming from the book control itself, otherwise we
+    // could attempt to redirect a help event generated by one of our pages
+    // back to the same page resulting in an infinite loop
+    if ( event.GetEventObject() != this )
+    {
+        event.Skip();
+        return;
+    }
+
     // find the corresponding page
     wxWindow *page = NULL;
 
-- 
2.45.2