Cocoa: Fix some macOS 10.14 deprecation warnings

src/cocoa_window.m

@@ -32,7 +32,6 @@
 // Needed for _NSGetProgname
 #include <crt_externs.h>
 
-// HACK: The 10.12 SDK adds new symbols and immediately deprecates the old ones
 #if MAC_OS_X_VERSION_MAX_ALLOWED < 101200
  #define NSWindowStyleMaskBorderless NSBorderlessWindowMask
  #define NSWindowStyleMaskClosable NSClosableWindowMask
@@ -48,8 +47,13 @@
  #define NSEventMaskAny NSAnyEventMask
  #define NSEventTypeApplicationDefined NSApplicationDefined
  #define NSEventTypeKeyUp NSKeyUp
+ #define NSBitmapFormatAlphaNonpremultiplied NSAlphaNonpremultipliedBitmapFormat
 #endif
 
+#if MAC_OS_X_VERSION_MAX_ALLOWED < 101300
+ #define NSPasteboardTypeFileURL NSFilenamesPboardType
+ #define NSPasteboardTypeString NSStringPboardType
+#endif
 
 // Returns the style mask corresponding to the window settings
 //
@@ -439,7 +443,7 @@ static const NSRange kEmptyRange = { NSNotFound, 0 };
 
         [self updateTrackingAreas];
         [self registerForDraggedTypes:[NSArray arrayWithObjects:
-                                       NSFilenamesPboardType, nil]];
+                                       NSPasteboardTypeFileURL, nil]];
     }
 
     return self;
@@ -720,7 +724,7 @@ static const NSRange kEmptyRange = { NSNotFound, 0 };
 - (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
 {
     NSPasteboard* pasteboard = [sender draggingPasteboard];
-    NSArray* files = [pasteboard propertyListForType:NSFilenamesPboardType];
+    NSArray* files = [pasteboard propertyListForType:NSPasteboardTypeFileURL];
 
     const NSRect contentRect = [window->ns.view frame];
     _glfwInputCursorPos(window,
@@ -1728,7 +1732,7 @@ int _glfwPlatformCreateCursor(_GLFWcursor* cursor,
                         hasAlpha:YES
                         isPlanar:NO
                   colorSpaceName:NSCalibratedRGBColorSpace
-                    bitmapFormat:NSAlphaNonpremultipliedBitmapFormat
+                    bitmapFormat:NSBitmapFormatAlphaNonpremultiplied
                      bytesPerRow:image->width * 4
                     bitsPerPixel:32];
 
@@ -1795,26 +1799,26 @@ void _glfwPlatformSetCursor(_GLFWwindow* window, _GLFWcursor* cursor)
 
 void _glfwPlatformSetClipboardString(const char* string)
 {
-    NSArray* types = [NSArray arrayWithObjects:NSStringPboardType, nil];
+    NSArray* types = [NSArray arrayWithObjects:NSPasteboardTypeString, nil];
 
     NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
     [pasteboard declareTypes:types owner:nil];
     [pasteboard setString:[NSString stringWithUTF8String:string]
-                  forType:NSStringPboardType];
+                  forType:NSPasteboardTypeString];
 }
 
 const char* _glfwPlatformGetClipboardString(void)
 {
     NSPasteboard* pasteboard = [NSPasteboard generalPasteboard];
 
-    if (![[pasteboard types] containsObject:NSStringPboardType])
+    if (![[pasteboard types] containsObject:NSPasteboardTypeString])
     {
         _glfwInputError(GLFW_FORMAT_UNAVAILABLE,
                         "Cocoa: Failed to retrieve string from pasteboard");
         return NULL;
     }
 
-    NSString* object = [pasteboard stringForType:NSStringPboardType];
+    NSString* object = [pasteboard stringForType:NSPasteboardTypeString];
     if (!object)
     {
         _glfwInputError(GLFW_PLATFORM_ERROR,