Use NSWindow noResponseFor: to avoid beeps on Skia/OSX fork

src/she/osx/view.mm

@@ -131,9 +131,7 @@ bool is_key_pressed(KeyScancode scancode)
 
 - (void)keyDown:(NSEvent*)event
 {
-#if 0 // Avoid beeps TODO comment this when the OS X menus are ready
   [super keyDown:event];
-#endif
 
   KeyScancode scancode = cocoavk_to_scancode(event.keyCode);
   if (scancode >= 0 && scancode < kKeyScancodes)
@@ -155,9 +153,7 @@ bool is_key_pressed(KeyScancode scancode)
 
 - (void)keyUp:(NSEvent*)event
 {
-#if 0
   [super keyUp:event];
-#endif
 
   KeyScancode scancode = cocoavk_to_scancode(event.keyCode);
   if (scancode >= 0 && scancode < kKeyScancodes)

src/she/osx/window.mm

@@ -1,5 +1,5 @@
 // SHE library
-// Copyright (C) 2012-2015  David Capello
+// Copyright (C) 2012-2016  David Capello
 //
 // This file is released under the terms of the MIT license.
 // Read LICENSE.txt for more information.
@@ -158,4 +158,14 @@ using namespace she;
   return (nsCursor != nil ? YES: NO);
 }
 
+- (void)noResponderFor:(SEL)eventSelector
+{
+  if (eventSelector == @selector(keyDown:)) {
+    // Do nothing (avoid beep)
+  }
+  else {
+    [super noResponderFor:eventSelector];
+  }
+}
+
 @end