Some cleanup in the Auto Layout test.

redo/osxaltest/box.m

@@ -1,16 +1,13 @@
 // 31 july 2015
 #import "osxaltest.h"
 
-@interface tBox : NSObject<tControl> {
+@implementation tBox {
 	NSMutableArray *children;
 	NSView *sv;
 	BOOL vertical;
 }
-@end
 
-@implementation tBox
-
-- (id)initVertical:(BOOL)vert
+- (id)tInitVertical:(BOOL)vert
 {
 	self = [super init];
 	if (self) {
@@ -21,7 +18,7 @@
 	return self;
 }
 
-- (void)addControl:(NSObject<tControl> *)c stretchy:(BOOL)s
+- (void)tAddControl:(id<tControl>)c stretchy:(BOOL)s
 {
 	// TODO
 }

redo/osxaltest/button.m

@@ -1,14 +1,11 @@
 // 31 july 2015
 #import "osxaltest.h"
 
-@interface tButton : NSObject<tControl> {
+@implementation tButton {
 	NSButton *b;
 }
-@end
 
-@implementation tButton
-
-- (id)initWithText:(NSString *)text
+- (id)tInitWithText:(NSString *)text
 {
 	self = [super init];
 	if (self) {

redo/osxaltest/osxaltest.h

@@ -9,8 +9,17 @@
 @end
 
 @interface tWindowDelegate : NSObject<NSWindowDelegate>
-- (void)tSetControl:(NSObject<tControl> *)cc;
+- (void)tSetControl:(id<tControl>)cc;
 - (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;
+@end
+
 extern NSString *tAutoLayoutKey(uintmax_t);

redo/osxaltest/windelegate.m

@@ -2,7 +2,7 @@
 #import "osxaltest.h"
 
 @implementation tWindowDelegate {
-	NSObject<tControl> *c;
+	id<tControl> c;
 }
 
 - (id)init
@@ -13,7 +13,7 @@
 	return self;
 }
 
-- (void)tSetControl:(NSObject<tControl> *)cc
+- (void)tSetControl:(id<tControl>)cc
 {
 	self->c = cc;
 }