diff --git a/new/ui_unix.h b/new/ui_unix.h
index 1fa341d..3911416 100644
--- a/new/ui_unix.h
+++ b/new/ui_unix.h
@@ -7,11 +7,11 @@ This file assumes that you have included <gtk/gtk.h> and "ui.h" beforehand. It p
 #ifndef __UI_UI_UNIX_H__
 #define __UI_UI_UNIX_H__
 
-// uiUnixNewControl() creates a new uiControl with the given GTK+ control inside.
-// The first parameter is the type of the control, as passed to the first argument of g_object_new().
+// uiUnixNewControl() creates a new uiControl with the given GTK+ control inside, storing it in the uiControl at c.
+// The second parameter is the type of the control, as passed to the first argument of g_object_new().
 // The two scrolledWindow parameters allow placing scrollbars on the new control.
 // The firstProperty parameter and beyond allow passing construct properties to the new control, as with g_object_new(); end this list with NULL.
-extern uiControl *uiUnixNewControl(GType type, gboolean inScrolledWindow, gboolean scrolledWindowHasBorder, const char *firstProperty, ...);
+extern void uiUnixNewControl(uiControl *c, GType type, gboolean inScrolledWindow, gboolean scrolledWindowHasBorder, const char *firstProperty, ...);
 
 struct uiSizingSys {
 	// this structure currently left blank
diff --git a/new/unix/button.c b/new/unix/button.c
index da09082..150e049 100644
--- a/new/unix/button.c
+++ b/new/unix/button.c
@@ -8,7 +8,7 @@ struct button {
 
 static void onClicked(GtkButton *button, gpointer data)
 {
-	uiControl *c = (uiControl *) data;
+	uiControl *c = uiControl(data);
 	struct button *b = (struct button *) (c->data);
 
 	(*(b->onClicked))(c, b->onClickedData);
@@ -26,42 +26,48 @@ static void onDestroy(GtkWidget *widget, gpointer data)
 	uiFree(b);
 }
 
-uiControl *uiNewButton(const char *text)
+static char *getText(uiButton *b)
 {
-	uiControl *c;
-	struct button *b;
-	GtkWidget *widget;
-
-	c = uiUnixNewControl(GTK_TYPE_BUTTON,
-		FALSE, FALSE,
-		"label", text,
-		NULL);
-
-	widget = GTK_WIDGET(uiControlHandle(c));
-	g_signal_connect(widget, "clicked", G_CALLBACK(onClicked), c);
-
-	b = uiNew(struct button);
-	g_signal_connect(widget, "destroy", G_CALLBACK(onDestroy), b);
-	b->onClicked = defaultOnClicked;
-	c->data = b;
-
-	return c;
+	return g_strdup(gtk_button_get_label(GTK_BUTTON(uiControlHandle(b.base))));
 }
 
-char *uiButtonText(uiControl *c)
+static void setText(uiButton *b, const char *text)
 {
-	return g_strdup(gtk_button_get_label(GTK_BUTTON(uiControlHandle(c))));
+	gtk_button_set_label(GTK_BUTTON(uiControlHandle(b.base)), text);
 }
 
-void uiButtonSetText(uiControl *c, const char *text)
+static void setOnClicked(uiButton *b, void (*f)(uiControl *, void *), void *data)
 {
-	gtk_button_set_label(GTK_BUTTON(uiControlHandle(c)), text);
-}
-
-void uiButtonOnClicked(uiControl *c, void (*f)(uiControl *, void *), void *data)
-{
-	struct button *b = (struct button *) (c->data);
+	struct button *b = (struct button *) (b->base.data);
 
 	b->onClicked = f;
 	b->onClickedData = data;
 }
+
+uiControl *uiNewButton(const char *text)
+{
+	uiButton *b;
+	struct button *bb;
+	GtkWidget *widget;
+
+	b = uiNew(uiButton);
+
+	uiUnixNewControl(&(b.base), GTK_TYPE_BUTTON,
+		FALSE, FALSE,
+		"label", text,
+		NULL);
+
+	widget = GTK_WIDGET(uiControlHandle(&(b.base)));
+	g_signal_connect(widget, "clicked", G_CALLBACK(onClicked), b);
+
+	bb = uiNew(struct button);
+	g_signal_connect(widget, "destroy", G_CALLBACK(onDestroy), bb);
+	bb->onClicked = defaultOnClicked;
+	b->priv.data = bb;
+
+	b->Text = getText;
+	b->SetText = setText;
+	b->OnClicked = setOnClicked;
+
+	return b;
+}
diff --git a/new/unix/newcontrol.c b/new/unix/newcontrol.c
index 500798b..395e93b 100644
--- a/new/unix/newcontrol.c
+++ b/new/unix/newcontrol.c
@@ -159,16 +159,14 @@ static void singleContainerDisable(uiControl *c)
 
 static void onDestroy(GtkWidget *widget, gpointer data)
 {
-	uiControl *c = (uiControl *) data;
+	uiControl *c = uiControl(data);
 	singleWidget *s = (singleWidget *) (c->internal);
 
 	uiFree(s);
-	uiFree(c);
 }
 
-uiControl *uiUnixNewControl(GType type, gboolean inScrolledWindow, gboolean scrolledWindowHasBorder, const char *firstProperty, ...)
+void uiUnixNewControl(uiControl *c, GType type, gboolean inScrolledWindow, gboolean scrolledWindowHasBorder, const char *firstProperty, ...)
 {
-	uiControl *c;
 	singleWidget *s;
 	va_list ap;
 
@@ -201,7 +199,6 @@ uiControl *uiUnixNewControl(GType type, gboolean inScrolledWindow, gboolean scro
 	// this also ensures singleRemoveParent() works properly
 	g_object_ref_sink(s->immediate);
 
-	c = uiNew(uiControl);
 	// assign s later; we still need it for one more thing
 	c->destroy = singleDestroy;
 	c->handle = singleHandle;