How to apply custom styling to NSTableHeaderView?
问题 So I am going for a custom looking NSTableView. I've already successfully subclassed NSTableRowView and NSTextFieldCell to achieve the look I'm going for, however I'm struggling of getting rid of the default styling for the header. I seem to be able to tweak its frame, however I'm not sure where the rest of the default styling is coming from. As you see on the screenshot the red area is the increased frame of the headerView . I'm using its CALayer to set the colour, however how to change the