diff --git a/sysdata_darwin.go b/sysdata_darwin.go
index 9fdebee..f4fe145 100644
--- a/sysdata_darwin.go
+++ b/sysdata_darwin.go
@@ -24,8 +24,11 @@ type classData struct {
 	getinside		func(scrollview C.id) C.id
 	show		func(what C.id)
 	hide			func(what C.id)
+//	settext		func(what C.id, text string)
 	settextsel		C.SEL
+//	text			func(what C.id) string
 	textsel		C.SEL
+//	alttextsel		func(what C.id) string
 	alttextsel		C.SEL
 	append		func(id C.id, what string, alternate bool)
 	insertBefore	func(id C.id, what string, before int, alternate bool)
@@ -110,9 +113,13 @@ func controlHide(what C.id) {
 	C.controlHide(what)
 }
 
-const (
-	_NSRegularControlSize = 0
-)
+// TODO move to objc_darwin.go unless the only thing that uses it is alternate
+func toBOOL(what bool) C.BOOL {
+	if what {
+		return C.YES
+	}
+	return C.NO
+}
 
 // By default some controls do not use the correct font.
 // These functions set the appropriate control font.
@@ -127,10 +134,7 @@ func applyStandardControlFont(id C.id) {
 var classTypes = [nctypes]*classData{
 	c_window:		&classData{
 		make:		func(parentWindow C.id, alternate bool, s *sysData) C.id {
-			win := C.makeWindow()
-			C.objc_msgSend_id(win, _setDelegate, appDelegate)
-			// we do not need setAcceptsMouseMovedEvents: here since we are using a tracking rect in Areas for that
-			return win
+			return C.makeWindow(appDelegate)
 		},
 		show:		func(what C.id) {
 			C.windowShow(what)
@@ -168,13 +172,7 @@ var classTypes = [nctypes]*classData{
 	},
 	c_combobox:		&classData{
 		make:		func(parentWindow C.id, alternate bool, s *sysData) C.id {
-			var combobox C.id
-
-			if alternate {
-				combobox = C.makeCombobox(C.YES)
-			} else {
-				combobox = C.makeCombobox(C.NO)
-			}
+			combobox := C.makeCombobox(toBOOL(alternate))
 			applyStandardControlFont(combobox)
 			addControl(parentWindow, combobox)
 			return combobox
@@ -184,20 +182,11 @@ var classTypes = [nctypes]*classData{
 		textsel:		_titleOfSelectedItem,
 		alttextsel:		_stringValue,
 		append:		func(id C.id, what string, alternate bool) {
-			str := toNSString(what)
-			if alternate {
-				C.comboboxAppend(id, C.YES, str)
-			} else {
-				C.comboboxAppend(id, C.NO, str)
-			}
+			C.comboboxAppend(id, toBOOL(alternate), toNSString(what))
 		},
 		insertBefore:	func(id C.id, what string, before int, alternate bool) {
-			str := toNSString(what)
-			if alternate {
-				C.comboboxInsertBefore(id, C.YES, str, C.intptr_t(before))
-			} else {
-				C.comboboxInsertBefore(id, C.NO, str, C.intptr_t(before))
-			}
+			C.comboboxInsertBefore(id, toBOOL(alternate),
+				toNSString(what), C.intptr_t(before))
 		},
 		selIndex:		func(id C.id) int {
 			return int(C.comboboxSelectedIndex(id))
@@ -209,23 +198,12 @@ var classTypes = [nctypes]*classData{
 			return int(C.comboboxLen(id))
 		},
 		selectIndex:	func(id C.id, index int, alternate bool) {
-			// NSPopUpButton makes this easy
-			if alternate {
-				C.comboboxSelectIndex(id, C.YES, C.intptr_t(index))
-			} else {
-				C.comboboxSelectIndex(id, C.NO, C.intptr_t(index))
-			}
+			C.comboboxSelectIndex(id, toBOOL(alternate), C.intptr_t(index))
 		},
 	},
 	c_lineedit:		&classData{
 		make:		func(parentWindow C.id, alternate bool, s *sysData) C.id {
-			var lineedit C.id
-
-			if alternate {
-				lineedit = C.makeLineEdit(C.YES)
-			} else {
-				lineedit = C.makeLineEdit(C.NO)
-			}
+			lineedit := C.makeLineEdit(toBOOL(alternate))
 			applyStandardControlFont(lineedit)
 			addControl(parentWindow, lineedit)
 			return lineedit
diff --git a/sysdata_darwin.h b/sysdata_darwin.h
index f3e49a3..24e24c3 100644
--- a/sysdata_darwin.h
+++ b/sysdata_darwin.h
@@ -6,7 +6,7 @@ extern void addControl(id, id);
 extern void controlShow(id);
 extern void controlHide(id);
 extern void applyStandardControlFont(id);
-extern id makeWindow(void);
+extern id makeWindow(id);
 extern void windowShow(id);
 extern void windowHide(id);
 extern id makeButton(void);
diff --git a/sysdata_darwin.m b/sysdata_darwin.m
index 3a7e4a6..75202a9 100644
--- a/sysdata_darwin.m
+++ b/sysdata_darwin.m
@@ -5,7 +5,7 @@
 #include <Foundation/NSGeometry.h>
 #include <AppKit/NSWindow.h>
 #include <AppKit/NSView.h>
-#include <AppKit/NSCell.h>
+#include <AppKit/NSControl.h>
 #include <AppKit/NSButton.h>
 #include <AppKit/NSPopUpButton.h>
 #include <AppKit/NSComboBox.h>
@@ -19,6 +19,7 @@ static NSRect dummyRect;// = NSMakeRect(0, 0, 100, 100);
 #define to(T, x) ((T *) (x))
 #define toNSWindow(x) to(NSWindow, (x))
 #define toNSView(x) to(NSView, (x))
+#define toNSControl(x) to(NSControl, (x))
 #define toNSButton(x) to(NSButton, (x))
 #define toNSPopUpButton(x) to(NSPopUpButton, (x))
 #define toNSComboBox(x) to(NSComboBox, (x))
@@ -53,15 +54,20 @@ void applyStandardControlFont(id what)
 	objc_setFont(what, NSRegularControlSize);
 }
 
-id makeWindow(void)
+id makeWindow(id delegate)
 {
+	NSWindow *w;
+
 	// TODO separate to initilaizer
 	dummyRect = NSMakeRect(0, 0, 100, 100);
-	return [[NSWindow alloc]
+	w = [[NSWindow alloc]
 		initWithContentRect:dummyRect
 		styleMask:(NSTitledWindowMask | NSClosableWindowMask | NSMiniaturizableWindowMask | NSResizableWindowMask)
 		backing:NSBackingStoreBuffered
 		defer:YES];	// defer creation of device until we show the window
+	[w setDelegate:delegate];
+	// we do not need setAcceptsMouseMovedEvents: here since we are using a tracking rect in Areas for that
+	return w;
 }
 
 void windowShow(id window)