Fixed non-minimizeable windows in Mac OS X; it was a simple copy-paste fail.

sysdata_darwin.go

@@ -68,7 +68,7 @@ var classTypes = [nctypes]*classData{
 			win = objc_msgSend_rect_uint_uint_bool(win,
 				_initWithContentRect,
 				0, 0, 100, 100,
-				NSTitledWindowMask | NSClosableWindowMask | NSClosableWindowMask | NSResizableWindowMask,
+				NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask,
 				2,					// NSBackingStoreBuffered - the only backing store method that Apple says we should use (the others are legacy)
 				C.BOOL(C.YES))			// defer creation of device until we show the window
 			objc_setDelegate(win, appDelegate)

todo.md

@@ -26,7 +26,7 @@ important things:
 - ui.Go() should exit when the main() you pass in exits
 - because the main event loop is not called if initialization fails, it is presently impossible for MsgBoxError() to work if UI initialization fails; this basically means we cannot allow initializiation to fail on Mac OS X if we want to be able to report UI init failures to the user with one
 - Cocoa coordinates have (0,0) at the bottom left: need to fix this somehow
-- Cocoa windows seem to ignore the minizeable flag and cannot be live-resized
+- Cocoa windows cannot be live-resized
 - there's no GTK+ error handling whatsoever; we need to figure out how it works
 - make sure GTK+ documentation point differences don't matter
 - button sizes and LineEdit sizes on Windows seem too big; Comboboxes have margins