Adding codebase for the Objective-C++ part of the Mac OS X launcher/wrapper.

launchers/macosx/obj-cpp/StatusItemButton.h

@@ -0,0 +1,21 @@
+#pragma once
+
+#import <Cocoa/Cocoa.h>
+
+@class StatusItemButton;
+
+@protocol StatusItemButtonDelegate <NSObject>
+
+- (void) statusItemButtonLeftClick: (StatusItemButton *) button;
+- (void) statusItemButtonRightClick: (StatusItemButton *) button;
+
+@end
+
+@interface StatusItemButton : NSView
+
+@property (strong, nonatomic) NSImage *image;
+@property (unsafe_unretained) id<StatusItemButtonDelegate> delegate;
+
+- (instancetype) initWithImage: (NSImage *) image;
+
+@end