From 678b532dad9627600aac03db08003b23a0c9d833 Mon Sep 17 00:00:00 2001
From: jules <julianstorer@gmail.com>
Date: Wed, 14 Dec 2011 11:41:16 +0000
Subject: [PATCH] Mac VST-host resource file fix.

---
 .../format_types/juce_VSTPluginFormat.cpp                | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp b/modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp
index 3dd39df63b..91ec287408 100644
--- a/modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp
+++ b/modules/juce_audio_processors/format_types/juce_VSTPluginFormat.cpp
@@ -2127,6 +2127,8 @@ int VSTPluginInstance::dispatch (const int opcode, const int index, const int va
         try
         {
            #if JUCE_MAC
+            const int oldResFile = CurResFile();
+
             if (module->resFileId != 0)
                 UseResFile (module->resFileId);
            #endif
@@ -2134,7 +2136,12 @@ int VSTPluginInstance::dispatch (const int opcode, const int index, const int va
             result = effect->dispatcher (effect, opcode, index, value, ptr, opt);
 
            #if JUCE_MAC
-            module->resFileId = CurResFile();
+            const int newResFile = CurResFile();
+            if (newResFile != oldResFile)  // avoid confusing the parent app's resource file with the plug-in's
+            {
+                module->resFileId = newResFile;
+                UseResFile (oldResFile);
+            }
            #endif
         }
         catch (...)