From e8caa057569deacf6f712a2acf4a84fa940cb0b8 Mon Sep 17 00:00:00 2001
From: ed <eddavies95@gmail.com>
Date: Tue, 21 May 2019 16:44:20 +0100
Subject: [PATCH] macOS:  Fixed an issue with fullscreen windows on older
 versions of macOS

---
 modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm b/modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm
index 9c25b98da1..00179dab45 100644
--- a/modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm
+++ b/modules/juce_gui_basics/native/juce_mac_NSViewComponentPeer.mm
@@ -2011,6 +2011,9 @@ private:
 
     static void windowWillEnterFullScreen (id self, SEL, NSNotification*)
     {
+        if (SystemStats::getOperatingSystemType() <= SystemStats::MacOSX_10_9)
+            return;
+
         if (auto* owner = getOwner (self))
             if (owner->hasNativeTitleBar() && (owner->getStyleFlags() & ComponentPeer::windowIsResizable) == 0)
                 [owner->window setStyleMask: NSWindowStyleMaskBorderless];