From 894861becbf69744afb1f508d2f05c335aff537c Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Tue, 8 Jun 2021 22:40:29 +0200
Subject: [PATCH] Fix wxRTTI for wxAuiNotebook by deriving it from
 wxBookCtrlBase

Otherwise wxDynamicCast-ing wxAuiNotebook to wxBookCtrlBase didn't work
(even if the more usual and useful upcast did still work).

Add a unit test for this.
---
 src/aui/auibook.cpp        | 2 +-
 tests/controls/auitest.cpp | 8 ++++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/aui/auibook.cpp b/src/aui/auibook.cpp
index a0d1a08359..e7b8272023 100644
--- a/src/aui/auibook.cpp
+++ b/src/aui/auibook.cpp
@@ -53,7 +53,7 @@ wxDEFINE_EVENT(wxEVT_AUINOTEBOOK_TAB_MIDDLE_DOWN, wxAuiNotebookEvent);
 wxDEFINE_EVENT(wxEVT_AUINOTEBOOK_TAB_RIGHT_UP, wxAuiNotebookEvent);
 wxDEFINE_EVENT(wxEVT_AUINOTEBOOK_TAB_RIGHT_DOWN, wxAuiNotebookEvent);
 
-wxIMPLEMENT_CLASS(wxAuiNotebook, wxControl);
+wxIMPLEMENT_CLASS(wxAuiNotebook, wxBookCtrlBase);
 wxIMPLEMENT_CLASS(wxAuiTabCtrl, wxControl);
 wxIMPLEMENT_DYNAMIC_CLASS(wxAuiNotebookEvent, wxBookCtrlEvent);
 
diff --git a/tests/controls/auitest.cpp b/tests/controls/auitest.cpp
index 2521710ba8..ef1a38321a 100644
--- a/tests/controls/auitest.cpp
+++ b/tests/controls/auitest.cpp
@@ -143,4 +143,12 @@ TEST_CASE_METHOD(AuiNotebookTestCase, "wxAuiNotebook::DoGetBestSize", "[aui]")
     }
 }
 
+TEST_CASE_METHOD(AuiNotebookTestCase, "wxAuiNotebook::RTTI", "[aui][rtti]")
+{
+    wxBookCtrlBase* const book = nb;
+    CHECK( wxDynamicCast(book, wxAuiNotebook) == nb );
+
+    CHECK( wxDynamicCast(nb, wxBookCtrlBase) == book );
+}
+
 #endif