Update code for layouts, objects

textview.go

@@ -11,7 +11,7 @@ type TextView struct {
 // NewTextView creates a new text view.
 func NewTextView (text string) *TextView {
 	this := &TextView { TextBox: tomo.NewTextBox() }
-	this.SetRole(tomo.R("objects", "TextView", ""))
+	this.SetRole(tomo.R("objects", "TextView"))
 	this.SetFocusable(true)
 	this.SetSelectable(true)
 	this.SetText(text)
@@ -21,6 +21,6 @@ func NewTextView (text string) *TextView {
 	return this
 }
 
-func (this *TextView) handleScroll (x, y float64) {
+func (this *TextView) handleScroll (catch func (), x, y float64) {
 	this.ScrollTo(this.ContentBounds().Min.Add(image.Pt(int(x), int(y))))
 }