Implemented GLFW_AUTO_ICONIFY on OS X.

Fixes #506.

README.md

@@ -65,6 +65,7 @@ GLFW bundles a number of dependencies in the `deps/` directory.
  - Bugfix: Initialization failed on headless systems
  - Bugfix: The cached current context could get out of sync
  - [Cocoa] Bugfix: The cached `NSScreen` for a monitor could get out of sync
+ - [Cocoa] Bugfix: The `GLFW_AUTO_ICONIFY` window hint was ignored
 
 
 ## Contact

src/cocoa_window.m

@@ -212,7 +212,7 @@ static NSRect convertRectToBacking(_GLFWwindow* window, NSRect contentRect)
 
 - (void)windowDidBecomeKey:(NSNotification *)notification
 {
-    if (window->monitor)
+    if (window->monitor && window->autoIconify)
         enterFullscreenMode(window);
 
     if (_glfw.focusedWindow == window &&
@@ -227,7 +227,7 @@ static NSRect convertRectToBacking(_GLFWwindow* window, NSRect contentRect)
 
 - (void)windowDidResignKey:(NSNotification *)notification
 {
-    if (window->monitor)
+    if (window->monitor && window->autoIconify)
         leaveFullscreenMode(window);
 
     _glfwInputWindowFocus(window, GL_FALSE);
@@ -882,7 +882,9 @@ static GLboolean createWindow(_GLFWwindow* window,
     if (wndconfig->monitor)
     {
         [window->ns.object setLevel:NSMainMenuWindowLevel + 1];
-        [window->ns.object setHidesOnDeactivate:YES];
+
+        if (window->autoIconify)
+            [window->ns.object setHidesOnDeactivate:YES];
     }
     else
     {