Fixed the test program crashing after a while (prevent the Window and Controls from being garbage-collected from under us).

redo/zz_test.go

@@ -25,16 +25,20 @@ var ddata = []dtype{
 	{ "iota", "kappa" },
 }
 
-// because Cocoa hates being run off the main thread, even if it's run exclusively off the main thread
+type testwin struct {
-func init() {
+	t		Tab
-	flag.BoolVar(&spaced, "spaced", false, "enable spacing")
+	w		Window
-	flag.Parse()
+	table		Table
-	go func() {
+	b		Button
-		done := make(chan struct{})
+	c		Checkbox
-		Do(func() {
+	e		TextField
-			t := NewTab()
+	e2		TextField
-			w := NewWindow("Hello", 320, 240, t)
+}
-			w.OnClosing(func() bool {
+
+func (tw *testwin) make(done chan struct{}) {
+	tw.t = NewTab()
+	tw.w = NewWindow("Hello", 320, 240, tw.t)
+	tw.w.OnClosing(func() bool {
 		if *closeOnClick {
 			panic("window closed normally in close on click mode (should not happen)")
 		}
@@ -43,37 +47,46 @@ func init() {
 		done <- struct{}{}
 		return true
 	})
-			table := NewTable(reflect.TypeOf(ddata[0]))
+	tw.table = NewTable(reflect.TypeOf(ddata[0]))
-			table.Lock()
+	tw.table.Lock()
-			dq := table.Data().(*[]dtype)
+	dq := tw.table.Data().(*[]dtype)
 	*dq = ddata
-			table.Unlock()
+	tw.table.Unlock()
-			t.Append("Table", table)
+	tw.t.Append("Table", tw.table)
-			b := NewButton("There")
+	tw.b = NewButton("There")
 	if *closeOnClick {
-				b.SetText("Click to Close")
+		tw.b.SetText("Click to Close")
 	}
 	// GTK+ TODO: this is causing a resize event to happen afterward?!
-			b.OnClicked(func() {
+	tw.b.OnClicked(func() {
 		println("in OnClicked()")
 		if *closeOnClick {
-					w.Close()
+			tw.w.Close()
 			Stop()
 			done <- struct{}{}
 		}
 	})
-			t.Append("Button", b)
+	tw.t.Append("Button", tw.b)
-			c := NewCheckbox("You Should Now See Me Instead")
+	tw.c = NewCheckbox("You Should Now See Me Instead")
-			c.OnClicked(func() {
+	tw.c.OnClicked(func() {
-				w.SetTitle(fmt.Sprint(c.Checked()))
+		tw.w.SetTitle(fmt.Sprint(tw.c.Checked()))
-			})
-			t.Append("Checkbox", c)
-			e := NewTextField()
-			t.Append("Text Field", e)
-			e = NewPasswordField()
-			t.Append("Password Field", e)
-			w.Show()
 	})
+	tw.t.Append("Checkbox", tw.c)
+	tw.e = NewTextField()
+	tw.t.Append("Text Field", tw.e)
+	tw.e2 = NewPasswordField()
+	tw.t.Append("Password Field", tw.e)
+	tw.w.Show()
+}
+
+// because Cocoa hates being run off the main thread, even if it's run exclusively off the main thread
+func init() {
+	flag.BoolVar(&spaced, "spaced", false, "enable spacing")
+	flag.Parse()
+	go func() {
+		tw := new(testwin)
+		done := make(chan struct{})
+		Do(func() { tw.make(done) })
 		<-done
 	}()
 	err := Go()