From 81e3760e4a9587de9e74def6fb1d1bb157dcfa9c Mon Sep 17 00:00:00 2001
From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Sat, 4 Jul 2020 15:05:17 +0200
Subject: [PATCH] avoiding assertion on macOS in wxOwnerDrawnComboBox::DoClear

wxTextEntry on macOS is calling GetEditableWindow to arrive at the native text entry view, which in this case fails, so route things directly
---
 src/generic/odcombo.cpp | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/generic/odcombo.cpp b/src/generic/odcombo.cpp
index fd3061e414..9c0a21a489 100644
--- a/src/generic/odcombo.cpp
+++ b/src/generic/odcombo.cpp
@@ -988,7 +988,14 @@ void wxOwnerDrawnComboBox::DoClear()
 
     // There is no text entry when using wxCB_READONLY style, so test for it.
     if ( GetTextCtrl() )
+    {
+#ifdef __WXOSX__
+        // this has to be rerouted to the text control explicitly on macOS
+        GetTextCtrl()->Clear();
+#else
         wxTextEntry::Clear();
+#endif
+    }
 }
 
 void wxOwnerDrawnComboBox::Clear()