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

layout/grid.go

@@ -27,9 +27,9 @@ type GridOptions struct {
 // Grid lays n cells in equal columns, lines between them.
 func Grid(c *ui.Context, n int, o GridOptions, cell func(i int)) *ui.Element {
 	k := pixel.K(c)
-	cols := orDef("Grid Columns", o.Columns, 2)
-	pad := orDef("Grid Pad", o.Pad, 4)
-	orDef("Grid n", n, 0)
+	cols := pixel.Or("Grid Columns", o.Columns, 2)
+	pad := pixel.Or("Grid Pad", o.Pad, 4)
+	pixel.Or("Grid n", n, 0)
 	if o.Lines > DottedLines {
 		panic(fmt.Sprintf("layout: unknown grid lines %d", o.Lines))
 	}