Changed things around a bit; going to build things from tWindow's perspective first.

redo/osxaltest/main.m

@@ -10,20 +10,15 @@
 
 - (void)applicationDidFinishLaunching:(NSNotification *)note
 {
-	NSWindow *mainwin;
-	tWindowDelegate *delegate;
+	tWindow *mainwin;
+	tButton *button;
 
-	mainwin = [[NSWindow alloc] initWithContentRect:NSMakeRect(0, 0, 320, 240)
-		styleMask:(NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask)
-		backing:NSBackingStoreBuffered
-		defer:YES];
-	[mainwin setTitle:@"Auto Layout Test"];
+	mainwin = [[tWindow alloc] init];
 
-	delegate = [tWindowDelegate new];
-	[mainwin setDelegate:delegate];
+	button = [[tButton alloc] tInitWithText:@"Button"];
+	[mainwin tSetControl:button];
 
-	[mainwin cascadeTopLeftFromPoint:NSMakePoint(20, 20)];
-	[mainwin makeKeyAndOrderFront:self];
+	[mainwin tShow];
 }
 
 - (BOOL)applicationShouldTerminateAfterLastWindowClosed:(NSApplication *)a

redo/osxaltest/osxaltest.h

@@ -8,8 +8,10 @@
 - (uintmax_t)tAddToAutoLayoutDictionary:(NSMutableDictionary *)views keyNumber:(uintmax_t)n;
 @end
 
-@interface tWindowDelegate : NSObject<NSWindowDelegate>
+@interface tWindow : NSObject<tControl>
 - (void)tSetControl:(id<tControl>)cc;
+- (void)tShow;
+// TODO this should probably in tControl
 - (void)tRelayout;
 @end
 

redo/osxaltest/windelegate.m

@@ -1,28 +0,0 @@
-// 1 august 2015
-#import "osxaltest.h"
-
-@implementation tWindowDelegate {
-	id<tControl> c;
-}
-
-- (id)init
-{
-	self = [super init];
-	if (self)
-		self->c = NULL;
-	return self;
-}
-
-- (void)tSetControl:(id<tControl>)cc
-{
-	self->c = cc;
-}
-
-- (void)tRelayout
-{
-	if (self->c == NULL)
-		return;
-	// TODO
-}
-
-@end