Moved tBox out of the way. We'll start with just a tButton for now.

redo/osxaltest/box.m_

@@ -20,17 +20,20 @@
 
 - (void)tAddControl:(id<tControl>)c stretchy:(BOOL)s
 {
-	// TODO
+	if (self->sv != nil)
+		[c tAddToView:self->sv];
+	[self->children addObject:c];
+	// TODO mark as needing relayout
 }
 
 - (void)tAddToView:(NSView *)v
 {
 	self->sv = v;
 	[self->children enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
-		NSView *vv;
+		id<tControl> c;
 
-		vv = (NSView *) obj;
-		[v addSubview:vv];
+		c = (id<tControl>) obj;
+		[c tAddToView:self->sv];
 	}];
 }
 

redo/osxaltest/osxaltest.h

@@ -13,10 +13,12 @@
 - (void)tRelayout;
 @end
 
+/*
 @interface tBox : NSObject<tControl>
 - (id)tInitVertical:(BOOL)vert;
 - (void)tAddControl:(id<tControl>)c stretchy:(BOOL)s;
 @end
+*/
 
 @interface tButton : NSObject<tControl>
 - (id)tInitWithText:(NSString *)text;