From 49be360eab0ae2f70bcf2b0bdcc336efa16978bd Mon Sep 17 00:00:00 2001
From: Paul Cornett <paulcor@users.noreply.github.com>
Date: Thu, 3 Nov 2016 09:38:39 -0700
Subject: [PATCH] Avoid assert dialog in ClientToScreen()/ScreenToClient(),
 it's just too annoying

(cherry picked from commit e3f117c4f3f7820acc3ba6ef9bdb8370106f1f0d)
---
 src/gtk/window.cpp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/gtk/window.cpp b/src/gtk/window.cpp
index 96789defe2..1d3c55f1f9 100644
--- a/src/gtk/window.cpp
+++ b/src/gtk/window.cpp
@@ -3201,7 +3201,11 @@ void wxWindowGTK::DoClientToScreen( int *x, int *y ) const
         return;
     }
 
-    wxCHECK_RET(source, "ClientToScreen failed on unrealized window");
+    if (source == NULL)
+    {
+        wxLogDebug("ClientToScreen cannot work when toplevel window is not shown");
+        return;
+    }
 
     int org_x = 0;
     int org_y = 0;
@@ -3271,7 +3275,11 @@ void wxWindowGTK::DoScreenToClient( int *x, int *y ) const
         return;
     }
 
-    wxCHECK_RET(source, "ScreenToClient failed on unrealized window");
+    if (source == NULL)
+    {
+        wxLogDebug("ScreenToClient cannot work when toplevel window is not shown");
+        return;
+    }
 
     int org_x = 0;
     int org_y = 0;