From 9f7bc6a9f9330c18594c2e3437113fc830755abf Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Thu, 11 Oct 2018 18:50:52 +0100
Subject: [PATCH] A bit of a hack to keep OpenGL from puking.

---
 common/kiway.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/common/kiway.cpp b/common/kiway.cpp
index b9805b1a13..39932339b0 100644
--- a/common/kiway.cpp
+++ b/common/kiway.cpp
@@ -443,14 +443,22 @@ void KIWAY::CommonSettingsChanged()
     }
 #endif
 
+    // OK, this is a hack, but it keeps OpenGL from puking when updating
+    // something like grid settings when several OpenGL canvasses are open.
     for( unsigned i=0;  i < KIWAY_PLAYER_COUNT;  ++i )
     {
         KIWAY_PLAYER* frame = GetPlayerFrame( ( FRAME_T )i );
 
-        if( frame )
-        {
+        if( frame && frame->IsActive() )
+            frame->CommonSettingsChanged();
+    }
+
+    for( unsigned i=0;  i < KIWAY_PLAYER_COUNT;  ++i )
+    {
+        KIWAY_PLAYER* frame = GetPlayerFrame( ( FRAME_T )i );
+
+        if( frame && !frame->IsActive() )
             frame->CommonSettingsChanged();
-        }
     }
 }