Does NSView have anything analogous to UIView's setNeedsLayout/layoutSubviews methods?

Question

Do I put such things into the display method? Or is there something analogous?

Answer 1

As of OSX 10.7:

- (void)layout is equivalent to layoutSubviews

There is now an identical setNeedsLayout.

Override this method if your custom view needs to perform custom layout not expressible using the constraint-based layout system. In this case you are responsible for calling setNeedsLayout: when something that impacts your custom layout changes.

You may not invalidate any constraints as part of your layout phase, nor invalidate the layout of your superview or views outside of your view hierarchy. You also may not invoke a drawing pass as part of layout.

You must call [super layout] as part of your implementation.

Answer 2

Analogous to layoutSubviews is the resizeSubviewsWithOldSize: method of NSView. I guess, analogous to setNeedsLayout would be calling resizeSubviewsWithOldSize:[self frame].size directly.