diff --git a/redo/objc_darwin.h b/redo/objc_darwin.h
index eef1501..f07180d 100644
--- a/redo/objc_darwin.h
+++ b/redo/objc_darwin.h
@@ -86,9 +86,10 @@ extern struct xsize tabPreferredSize(id);
 enum {
 	colTypeText,
 	colTypeImage,
+	colTypeCheckbox,
 };
 extern id newTable(void);
-extern void tableAppendColumn(id, intptr_t, char *, int);
+extern void tableAppendColumn(id, intptr_t, char *, int, BOOL);
 extern void tableUpdate(id);
 extern void tableMakeDataSource(id, void *);
 extern struct xsize tablePreferredSize(id);
diff --git a/redo/table_darwin.go b/redo/table_darwin.go
index 662b2ee..1f889c0 100644
--- a/redo/table_darwin.go
+++ b/redo/table_darwin.go
@@ -31,11 +31,15 @@ func finishNewTable(b *tablebase, ty reflect.Type) Table {
 	for i := 0; i < ty.NumField(); i++ {
 		cname := C.CString(ty.Field(i).Name)
 		coltype := C.colTypeText
-		switch ty.Field(i).Type {
-		case reflect.TypeOf(ImageIndex(0)):
+		editable := false
+		switch {
+		case ty.Field(i).Type == reflect.TypeOf(ImageIndex(0)):
 			coltype = C.colTypeImage
+		case ty.Field(i).Type.Kind() == reflect.Bool:
+			coltype = C.colTypeCheckbox
+			editable = true
 		}
-		C.tableAppendColumn(t._id, C.intptr_t(i), cname, C.int(coltype))
+		C.tableAppendColumn(t._id, C.intptr_t(i), cname, C.int(coltype), toBOOL(editable))
 		C.free(unsafe.Pointer(cname))		// free now (not deferred) to conserve memory
 	}
 	return t
@@ -59,16 +63,25 @@ func (t *table) LoadImageList(i ImageList) {
 }
 
 //export goTableDataSource_getValue
-func goTableDataSource_getValue(data unsafe.Pointer, row C.intptr_t, col C.intptr_t, isObject *C.BOOL) unsafe.Pointer {
+func goTableDataSource_getValue(data unsafe.Pointer, row C.intptr_t, col C.intptr_t, outtype *C.int) unsafe.Pointer {
 	t := (*table)(data)
 	t.RLock()
 	defer t.RUnlock()
 	d := reflect.Indirect(reflect.ValueOf(t.data))
 	datum := d.Index(int(row)).Field(int(col))
-	switch d := datum.Interface().(type) {
-	case ImageIndex:
-		*isObject = C.YES
+	switch {
+	case datum.Type() == reflect.TypeOf(ImageIndex(0)):
+		*outtype = C.colTypeImage
+		d := datum.Interface().(ImageIndex)
 		return unsafe.Pointer(t.images[d])
+	case datum.Kind() == reflect.Bool:
+		*outtype = C.colTypeCheckbox
+		if datum.Bool() == true {
+			// return a non-nil pointer
+			// outtype isn't Go-side so it'll work
+			return unsafe.Pointer(outtype)
+		}
+		return nil
 	default:
 		s := fmt.Sprintf("%v", datum)
 		return unsafe.Pointer(C.CString(s))
@@ -84,6 +97,16 @@ func goTableDataSource_getRowCount(data unsafe.Pointer) C.intptr_t {
 	return C.intptr_t(d.Len())
 }
 
+//export goTableDataSource_toggled
+func goTableDataSource_toggled(data unsafe.Pointer, row C.intptr_t, col C.intptr_t, checked C.BOOL) {
+	t := (*table)(data)
+	t.Lock()
+	defer t.Unlock()
+	d := reflect.Indirect(reflect.ValueOf(t.data))
+	datum := d.Index(int(row)).Field(int(col))
+	datum.SetBool(fromBOOL(checked))
+}
+
 func (t *table) id() C.id {
 	return t._id
 }
diff --git a/redo/table_darwin.m b/redo/table_darwin.m
index ab66682..e3c2192 100644
--- a/redo/table_darwin.m
+++ b/redo/table_darwin.m
@@ -36,18 +36,33 @@
 	NSString *s;
 	intptr_t colnum;
 	char *str;
-	BOOL isObject = FALSE;
+	int type = colTypeText;
 
 	colnum = ((goTableColumn *) col)->gocolnum;
-	ret = goTableDataSource_getValue(self->gotable, (intptr_t) row, colnum, &isObject);
-	if (isObject)
+	ret = goTableDataSource_getValue(self->gotable, (intptr_t) row, colnum, &type);
+	switch (type) {
+	case colTypeImage:
 		return (id) ret;
+	case colTypeCheckbox:
+		if (ret == NULL)
+			return nil;
+		return (id) [NSNumber numberWithInt:1];
+	}
 	str = (char *) ret;
 	s = [NSString stringWithUTF8String:str];
 	free(str);		// allocated with C.CString() on the Go side
 	return (id) s;
 }
 
+- (void)tableView:(NSTableView *)view setObjectValue:(id)value forTableColumn:(NSTableColumn *)col row:(NSInteger)row
+{
+	intptr_t colnum;
+
+	colnum = ((goTableColumn *) col)->gocolnum;
+	// TODO verify type of value
+	goTableDataSource_toggled(self->gotable, (intptr_t) row, colnum, [value boolValue]);
+}
+
 @end
 
 id newTable(void)
@@ -63,10 +78,12 @@ id newTable(void)
 	return (id) t;
 }
 
-void tableAppendColumn(id t, intptr_t colnum, char *name, int type)
+void tableAppendColumn(id t, intptr_t colnum, char *name, int type, BOOL editable)
 {
 	goTableColumn *c;
 	NSImageCell *ic;
+	NSButtonCell *bc;
+	NSLineBreakMode lbm = NSLineBreakByTruncatingTail;		// default for most types
 
 	c = [[goTableColumn alloc] initWithIdentifier:nil];
 	c->gocolnum = colnum;
@@ -80,9 +97,20 @@ void tableAppendColumn(id t, intptr_t colnum, char *name, int type)
 		[ic setImageAlignment:NSImageAlignCenter];
 		[c setDataCell:ic];
 		break;
+	case colTypeCheckbox:
+		bc = [[NSButtonCell alloc] init];
+		[bc setBezelStyle:NSRegularSquareBezelStyle];		// not explicitly stated as such in Interface Builder; extracted with a test program
+		[bc setButtonType:NSSwitchButton];
+		[bc setBordered:NO];
+		[bc setTransparent:NO];
+		[bc setAllowsMixedState:NO];
+		[bc setTitle:@""];						// no label
+		lbm = NSLineBreakByWordWrapping;		// Interface Builder sets this mode for this type
+		[c setDataCell:bc];
+		break;
 	}
 	// otherwise just use the current cell
-	[c setEditable:NO];
+	[c setEditable:editable];
 	[[c headerCell] setStringValue:[NSString stringWithUTF8String:name]];
 	setSmallControlFont((id) [c headerCell]);
 	setStandardControlFont((id) [c dataCell]);
@@ -95,7 +123,7 @@ void tableAppendColumn(id t, intptr_t colnum, char *name, int type)
 	[[c headerCell] setTruncatesLastVisibleLine:NO];
 	[[c dataCell] setScrollable:NO];
 	[[c dataCell] setWraps:NO];
-	[[c dataCell] setLineBreakMode:NSLineBreakByTruncatingTail];
+	[[c dataCell] setLineBreakMode:lbm];
 	[[c dataCell] setUsesSingleLineMode:NO];
 	[[c dataCell] setTruncatesLastVisibleLine:NO];
 	[toNSTableView(t) addTableColumn:c];