From a4906f1222c44af5534836f38bfd48561cbed854 Mon Sep 17 00:00:00 2001
From: Vadim Zeitlin <vadim@wxwidgets.org>
Date: Mon, 17 Feb 2020 19:35:40 +0100
Subject: [PATCH] Change wxGetTopLevelParent() to take wxWindowBase

This makes it more convenient to use when building wxUniv, when
wxWindow$TOOLKIT objects are wxWindowBase but not actually wxWindow.

No real changes.
---
 include/wx/window.h   | 2 +-
 src/common/wincmn.cpp | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/include/wx/window.h b/include/wx/window.h
index 22fc655a4b..814e9487ad 100644
--- a/include/wx/window.h
+++ b/include/wx/window.h
@@ -2073,7 +2073,7 @@ extern WXDLLIMPEXP_CORE wxPoint wxGetMousePosition();
 extern WXDLLIMPEXP_CORE wxWindow *wxGetActiveWindow();
 
 // get the (first) top level parent window
-WXDLLIMPEXP_CORE wxWindow* wxGetTopLevelParent(wxWindow *win);
+WXDLLIMPEXP_CORE wxWindow* wxGetTopLevelParent(wxWindowBase *win);
 
 #if wxUSE_ACCESSIBILITY
 // ----------------------------------------------------------------------------
diff --git a/src/common/wincmn.cpp b/src/common/wincmn.cpp
index 0ea559aab3..0cd0df79eb 100644
--- a/src/common/wincmn.cpp
+++ b/src/common/wincmn.cpp
@@ -3655,8 +3655,9 @@ void wxWindowBase::DragAcceptFiles(bool accept)
 // global functions
 // ----------------------------------------------------------------------------
 
-wxWindow* wxGetTopLevelParent(wxWindow *win)
+wxWindow* wxGetTopLevelParent(wxWindowBase *win_)
 {
+    wxWindow* win = static_cast<wxWindow *>(win_);
     while ( win && !win->IsTopLevel() )
          win = win->GetParent();