diff --git a/redo/darwin/GNUmakeinc.mk b/redo/darwin/GNUmakeinc.mk
index 9cb73e40..e0f1e97d 100644
--- a/redo/darwin/GNUmakeinc.mk
+++ b/redo/darwin/GNUmakeinc.mk
@@ -19,6 +19,7 @@ osMFILES = \
 	darwin/separator.m \
 	darwin/slider.m \
 	darwin/spinbox.m \
+	darwin/stddialogs.m \
 	darwin/tab.m \
 	darwin/text.m \
 	darwin/util.m \
diff --git a/redo/darwin/bin.m b/redo/darwin/bin.m
index d2add788..d386b83d 100644
--- a/redo/darwin/bin.m
+++ b/redo/darwin/bin.m
@@ -29,7 +29,7 @@ uiControl *newBin(void)
 
 	// a simple NSView will do fine
 	b->view = [[NSView alloc] initWithFrame:NSZeroRect];
-	uiDarwinMakeSingleWidgetControl(uiControl(b), b->view, NO);
+	uiDarwinMakeSingleViewControl(uiControl(b), b->view, NO);
 
 	uiControl(b)->Handle = binHandle;
 
diff --git a/redo/darwin/container.m b/redo/darwin/container.m
index 1279d490..72e09c4d 100644
--- a/redo/darwin/container.m
+++ b/redo/darwin/container.m
@@ -15,13 +15,6 @@
 	self->c = cc;
 }
 
-// These are based on measurements from Interface Builder.
-// These seem to be based on Auto Layout constants, but I don't see an API that exposes these...
-// This one is 8 for most pairs of controls that I've tried; the only difference is between two pushbuttons, where it's 12...
-#define macXPadding 8
-// Likewise, this one appears to be 12 for pairs of push buttons...
-#define macYPadding 8
-
 - (void)containerUpdate
 {
 	uiSizing *d;
@@ -48,7 +41,7 @@ uintptr_t uiMakeContainer(uiControl *c)
 	containerView *view;
 
 	view = [[containerView alloc] initWithFrame:NSZeroRect];
-	uiDarwinMakeSingleWidgetControl(c, view, NO);
+	uiDarwinMakeSingleViewControl(c, view, NO);
 	[view setContainer:c];
-	return (uintptr_t) widget;
+	return (uintptr_t) view;
 }
diff --git a/redo/darwin/radiobuttons.m b/redo/darwin/radiobuttons.m
index 4d22f4e6..2a947c51 100644
--- a/redo/darwin/radiobuttons.m
+++ b/redo/darwin/radiobuttons.m
@@ -3,13 +3,16 @@
 
 struct radiobuttons {
 	uiRadioButtons r;
+	NSTextField *dummy;
 };
 
 uiDefineControlType(uiRadioButtons, uiTypeRadioButtons, struct radiobuttons)
 
 static uintptr_t radiobuttonsHandle(uiControl *c)
 {
-	return 0;
+	struct radiobuttons *r = (struct radiobuttons *) c;
+
+	return (uintptr_t) (r->dummy);
 }
 
 static void radiobuttonsAppend(uiRadioButtons *rr, const char *text)
@@ -24,9 +27,11 @@ uiRadioButtons *uiNewRadioButtons(void)
 {
 	struct radiobuttons *r;
 
-	r = (struct radiobuttons *) MAKE_CONTROL_INSTANCE(uiTypeRadioButtons());
+	r = (struct radiobuttons *) uiNewControl(uiTypeRadioButtons());
 
-	PUT_CODE_HERE;
+	r->dummy = [[NSTextField alloc] initWithFrame:NSZeroRect];
+	[r->dummy setStringValue:@"TODO uiRadioButtons not implemented"];
+	uiDarwinMakeSingleViewControl(uiControl(r), r->dummy, YES);
 
 	uiControl(r)->Handle = radiobuttonsHandle;
 
diff --git a/redo/darwin/stddialogs.m b/redo/darwin/stddialogs.m
new file mode 100644
index 00000000..7890ad55
--- /dev/null
+++ b/redo/darwin/stddialogs.m
@@ -0,0 +1,24 @@
+// 26 june 2015
+#import "uipriv_darwin.h"
+
+char *uiOpenFile(void)
+{
+	// TODO
+	return NULL;
+}
+
+char *uiSaveFile(void)
+{
+	// TODO
+	return NULL;
+}
+
+void uiMsgBox(const char *title, const char *description)
+{
+	// TODO
+}
+
+void uiMsgBoxError(const char *title, const char *description)
+{
+	// TODO
+}
diff --git a/redo/darwin/tab.m b/redo/darwin/tab.m
index 68d96faf..1f4f315f 100644
--- a/redo/darwin/tab.m
+++ b/redo/darwin/tab.m
@@ -56,11 +56,10 @@ static void tabPreferredSize(uiControl *c, uiSizing *d, intmax_t *width, intmax_
 	*height = (intmax_t) (s.height);
 }
 
-static void tabContainerUpdate(uiControl *c)
+static void tabContainerUpdateState(uiControl *c)
 {
 	struct tab *t = (struct tab *) c;
 
-	(*(t->baseEnable))(uiControl(t));
 	// TODO enumerate over page CONTROLS instead
 	[t->pages enumerateObjectsUsingBlock:^(id obj, NSUInteger index, BOOL *stop) {
 		NSValue *v = (NSValue *) obj;
@@ -68,7 +67,7 @@ static void tabContainerUpdate(uiControl *c)
 
 		bin = (uiControl *) [v pointerValue];
 		// TODO get the right function
-		uiContainerUpdate(uiControl(bin));
+		uiControlUpdateState(uiControl(bin));
 	}];
 }
 
@@ -115,7 +114,7 @@ static void tabDelete(uiTab *tt, uintmax_t n)
 	NSTabViewItem *i;
 
 	v = (NSValue *) [t->pages objectAtIndex:n];
-	page = (uiBin *) [v pointerValue];
+	page = (uiControl *) [v pointerValue];
 	[t->pages removeObjectAtIndex:n];
 	[t->margined removeObjectAtIndex:n];
 
@@ -123,7 +122,7 @@ static void tabDelete(uiTab *tt, uintmax_t n)
 	binSetChild(page, NULL);
 
 	// remove the bin from the tab view
-	// this serves the purpose of uiBinRemoveOSParent()
+	// this serves the purpose of uiControlSetOSParent(bin, NULL)
 	i = [t->tabview tabViewItemAtIndex:n];
 	[t->tabview removeTabViewItem:i];
 
@@ -163,12 +162,12 @@ static void tabSetMargined(uiTab *tt, uintmax_t n, int margined)
 	struct tab *t = (struct tab *) tt;
 	NSNumber *v;
 	NSValue *pagev;
-	uiBin *page;
+	uiControl *page;
 
 	v = [NSNumber numberWithInt:margined];
 	[t->margined replaceObjectAtIndex:n withObject:v];
 	pagev = (NSValue *) [t->pages objectAtIndex:n];
-	page = (uiBin *) [pagev pointerValue];
+	page = (uiControl *) [pagev pointerValue];
 /* TODO
 	if ([v intValue])
 		uiBinSetMargins(page, tabLeftMargin, tabTopMargin, tabRightMargin, tabBottomMargin);
@@ -181,7 +180,7 @@ uiTab *uiNewTab(void)
 {
 	struct tab *t;
 
-	t = (struct tab *) MAKE_CONTROL_INSTANCE(uiTypeTab());
+	t = (struct tab *) uiNewControl(uiTypeTab());
 
 	t->tabview = [[NSTabView alloc] initWithFrame:NSZeroRect];
 	// also good for NSTabView (same selector and everything)
@@ -194,7 +193,7 @@ uiTab *uiNewTab(void)
 	uiControl(t)->PreferredSize = tabPreferredSize;
 	t->baseCommitDestroy = uiControl(t)->CommitDestroy;
 	uiControl(t)->CommitDestroy = tabCommitDestroy;
-	uiControl(t)->ContainerUpdate = tabContainerUpdate;
+	uiControl(t)->ContainerUpdateState = tabContainerUpdateState;
 
 	uiTab(t)->Append = tabAppend;
 	uiTab(t)->InsertAt = tabInsertAt;
diff --git a/redo/darwin/util.m b/redo/darwin/util.m
index c7441461..37af7c58 100644
--- a/redo/darwin/util.m
+++ b/redo/darwin/util.m
@@ -30,3 +30,27 @@ void complain(const char *fmt, ...)
 	va_end(ap);
 	abort();
 }
+
+// These are based on measurements from Interface Builder.
+// These seem to be based on Auto Layout constants, but I don't see an API that exposes these...
+// This one is 8 for most pairs of controls that I've tried; the only difference is between two pushbuttons, where it's 12...
+#define macXPadding 8
+// Likewise, this one appears to be 12 for pairs of push buttons...
+#define macYPadding 8
+
+uiSizing *uiDarwinNewSizing(void)
+{
+	uiSizing *d;
+
+	d = uiNew(uiSizing);
+	d->XPadding = macXPadding;
+	d->YPadding = macYPadding;
+	d->Sys = uiNew(uiSizingSys);
+	return d;
+}
+
+void uiFreeSizing(uiSizing *d)
+{
+	uiFree(d->Sys);
+	uiFree(d);
+}
diff --git a/redo/darwin/window.m b/redo/darwin/window.m
index e0a50dcc..2ffa3b0c 100644
--- a/redo/darwin/window.m
+++ b/redo/darwin/window.m
@@ -43,14 +43,17 @@ struct window {
 	NSWindow *window;
 	windowDelegate *delegate;
 	uiControl *bin;
+	uiControl *child;
 };
 
+uiDefineControlType(uiWindow, uiTypeWindow, struct window)
+
 static int defaultOnClosing(uiWindow *w, void *data)
 {
 	return 0;
 }
 
-static void windowDestroy(uiControl *c)
+static void windowCommitDestroy(uiControl *c)
 {
 	struct window *w = (struct window *) c;
 
@@ -141,7 +144,6 @@ static void windowSetMargined(uiWindow *ww, int margined)
 	struct window *w = (struct window *) ww;
 
 	binSetMargined(w->bin, margined);
-	uiContainerUpdate(uiContainer(w->bin));
 }
 
 static void windowResizeChild(uiWindow *ww)
@@ -165,7 +167,7 @@ uiWindow *uiNewWindow(const char *title, int width, int height, int hasMenubar)
 	[w->window setTitle:toNSString(title)];
 
 	// a NSWindow is not a NSView, but nothing we're doing in this function is view-specific
-	uiDarwinMakeSingleViewControl(uiControl(w), (NSView *) (w->window));
+	uiDarwinMakeSingleViewControl(uiControl(w), (NSView *) (w->window), NO);
 
 	// explicitly release when closed
 	// the only thing that closes the window is us anyway
diff --git a/redo/unix/tab.c b/redo/unix/tab.c
index cb51243b..94191d72 100644
--- a/redo/unix/tab.c
+++ b/redo/unix/tab.c
@@ -48,7 +48,7 @@ static uintptr_t tabHandle(uiControl *c)
 	return (uintptr_t) (t->widget);
 }
 
-// TODO tabContainerUpdate()?
+// TODO tabContainerUpdateState()?
 
 static void tabAppend(uiTab *tt, const char *name, uiControl *child)
 {