Moved application activation to window showing.

Fixes #93.

README.md

@@ -59,6 +59,7 @@ guide in the GLFW documentation.
  - [Cocoa] Bugfix: Retrieving the name of some external displays caused segfault
  - [Cocoa] Bugfix: The 10.9 SDK defines `GLintptrARB` and `GLsizeiptrARB`
                    differently from the Khronos `glext.h`
+ - [Cocoa] Bugfix: Creating hidden windows would steal application focus
  - [X11] Added setting of the `WM_CLASS` property to the initial window title
  - [X11] Bugfix: Removed joystick axis value negation left over from GLFW 2
  - [X11] Bugfix: The position of hidden windows was ignored by Metacity

src/cocoa_window.m

@@ -830,9 +830,6 @@ static GLboolean initializeAppKit(void)
     // In case we are unbundled, make us a proper UI application
     [NSApp setActivationPolicy:NSApplicationActivationPolicyRegular];
 
-    // Make us the active application
-    [NSApp activateIgnoringOtherApps:YES];
-
 #if defined(_GLFW_USE_MENUBAR)
     // Menu bar setup must go between sharedApplication above and
     // finishLaunching below, in order to properly emulate the behavior
@@ -1038,6 +1035,9 @@ void _glfwPlatformRestoreWindow(_GLFWwindow* window)
 
 void _glfwPlatformShowWindow(_GLFWwindow* window)
 {
+    // Make us the active application
+    [NSApp activateIgnoringOtherApps:YES];
+
     [window->ns.object makeKeyAndOrderFront:nil];
     _glfwInputWindowVisibility(window, GL_TRUE);
 }