From b47319d51554fdb8432832b4c5232b871202e272 Mon Sep 17 00:00:00 2001
From: Paul Cornett <paulcor@users.noreply.github.com>
Date: Sat, 5 Nov 2016 19:44:45 -0700
Subject: [PATCH] Avoid calling ScreenToClient() on invisible window while
 processing wxSetCursorEvent

---
 src/gtk/window.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 2ef85cb099..503352a7e3 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -1693,7 +1693,7 @@ static void SendSetCursorEvent(wxWindowGTK* win, int x, int y)
             break;
 
         w = w->GetParent();
-        if ( !w )
+        if (w == NULL || w->m_widget == NULL || !gtk_widget_get_visible(w->m_widget))
             break;
         posClient = w->ScreenToClient(posScreen);
     }