Stored parents in the various tControls. This is neccessary for making tRelayout on all controls.

redo/osxaltest/box.m

@@ -5,6 +5,7 @@
 	NSMutableArray *children;
 	NSView *sv;
 	BOOL vertical;
+	id<tControl> parent;
 }
 
 - (id)tInitVertical:(BOOL)vert
@@ -14,6 +15,7 @@
 		self->children = [NSMutableArray new];
 		self->sv = nil;
 		self->vertical = vert;
+		self->parent = nil;
 	}
 	return self;
 }
@@ -21,19 +23,20 @@
 - (void)tAddControl:(id<tControl>)c stretchy:(BOOL)s
 {
 	if (self->sv != nil)
-		[c tAddToView:self->sv];
+		[c tSetParent:self->parent addToView:self->sv];
 	[self->children addObject:c];
 	// TODO mark as needing relayout
 }
 
-- (void)tAddToView:(NSView *)v
+- (void)tSetParent:(id<tControl>)p addToView:(NSView *)v
 {
+	self->parent = p;
 	self->sv = v;
 	[self->children enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
 		id<tControl> c;
 
 		c = (id<tControl>) obj;
-		[c tAddToView:self->sv];
+		[c tSetParent:self->parent addToView:self->sv];
 	}];
 }
 

redo/osxaltest/button.m

@@ -3,6 +3,7 @@
 
 @implementation tButton {
 	NSButton *b;
+	id<tControl> parent;
 }
 
 - (id)tInitWithText:(NSString *)text
@@ -16,12 +17,15 @@
 		[self->b setBezelStyle:NSRoundedBezelStyle];
 		[self->b setFont:[NSFont systemFontOfSize:[NSFont systemFontSizeForControlSize:NSRegularControlSize]]];
 		[self->b setTranslatesAutoresizingMaskIntoConstraints:NO];
+
+		self->parent = nil;
 	}
 	return self;
 }
 
-- (void)tAddToView:(NSView *)v
+- (void)tSetParent:(id<tControl>)p addToView:(NSView *)v
 {
+	self->parent = p;
 	[v addSubview:self->b];
 }
 

redo/osxaltest/osxaltest.h

@@ -4,7 +4,7 @@
 
 @protocol tControl
 @required
-- (void)tAddToView:(NSView *)v;
+- (void)tSetParent:(id<tControl>)p addToView:(NSView *)v;
 - (void)tFillAutoLayoutHorz:(NSMutableArray *)horz
 	vert:(NSMutableArray *)vert
 	extra:(NSMutableArray *)extra

redo/osxaltest/spinbox.m

@@ -4,6 +4,7 @@
 @implementation tSpinbox {
 	NSTextField *t;
 	NSStepper *s;
+	id<tControl> parent;
 }
 
 - (id)init
@@ -25,12 +26,15 @@
 		[self->s setValueWraps:NO];
 		[self->s setAutorepeat:YES];
 		[self->s setTranslatesAutoresizingMaskIntoConstraints:NO];
+
+		self->parent = nil;
 	}
 	return self;
 }
 
-- (void)tAddToView:(NSView *)v
+- (void)tSetParent:(id<tControl>)p addToView:(NSView *)v
 {
+	self->parent = p;
 	[v addSubview:self->t];
 	[v addSubview:self->s];
 }

redo/osxaltest/window.m

@@ -23,7 +23,7 @@
 - (void)tSetControl:(id<tControl>)cc
 {
 	self->c = cc;
-	[self->c tAddToView:[self->w contentView]];
+	[self->c tSetParent:self addToView:[self->w contentView]];
 	[self tRelayout];
 }