Add feedback components 106-130; inert scope, focus return, two-step deploy

layout/aspectbox.go

@@ -14,7 +14,7 @@ type AspectBoxOptions struct {
 // AspectBox fills the width and keeps W:H in whole dots.
 func AspectBox(c *ui.Context, o AspectBoxOptions, children func()) *ui.Element {
 	k := pixel.K(c)
-	rw, rh := orDef("AspectBox W", o.W, 1), orDef("AspectBox H", o.H, 1)
+	rw, rh := pixel.Or("AspectBox W", o.W, 1), pixel.Or("AspectBox H", o.H, 1)
 	e := ui.Box(c).FillWidth().Clip()
 	w, check := pixel.WrapWidth(c, e)
 	return e.Height(k.D(w * rh / rw)).Draw(func(p *ui.Painter, r ui.Rect) { check(r) }).Children(children)