I guess it is this:
text = NSTextField.alloc().initWithFrame_(((0, 0), (30.0, 22.0)))
text.setCell_(NSSearchFieldCell.alloc().init())
Question
How can I add a search icon on the left in a NSTextField? You can see the same in many other applications.
Solution
I guess it is this:
text = NSTextField.alloc().initWithFrame_(((0, 0), (30.0, 22.0)))
text.setCell_(NSSearchFieldCell.alloc().init())