From 9b0ce8888eaebf3166614638f247f8e640569a17 Mon Sep 17 00:00:00 2001
From: Thomas Galvin <tomgalvin594@gmail.com>
Date: Mon, 22 Dec 2014 14:19:09 -0500
Subject: [PATCH] Added sending a resize event when the scaling factor changes
 on OS X

---
 src/SFML/Window/OSX/SFOpenGLView.mm | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/SFML/Window/OSX/SFOpenGLView.mm b/src/SFML/Window/OSX/SFOpenGLView.mm
index 58298f70..1fe8b80d 100644
--- a/src/SFML/Window/OSX/SFOpenGLView.mm
+++ b/src/SFML/Window/OSX/SFOpenGLView.mm
@@ -266,7 +266,14 @@ BOOL isValidTextUnicode(NSEvent* event);
 {
     NSWindow* window = [self window];
     NSScreen* screen = window ? [window screen] : [NSScreen mainScreen];
+    CGFloat oldScaleFactor = m_scaleFactor;
     m_scaleFactor = [screen backingScaleFactor];
+
+    // Send a resize event if the scaling factor changed
+    if ((m_scaleFactor != oldScaleFactor) && (m_requester != 0)) {
+        NSSize newSize = [self frame].size;
+        m_requester->windowResized(newSize.width, newSize.height);
+    }
 }