Method redo

texteditor/editor.go:460–474

redo redoes previously undone action

()

// redo redoes previously undone action
func (ed *Editor) redo() {
	tbes := ed.Buffer.redo()
	if tbes != nil {
		tbe := tbes[len(tbes)-1]
		if tbe.Delete {
			ed.SetCursorShow(tbe.Reg.Start)
		} else {
			ed.SetCursorShow(tbe.Reg.End)
		}
	} else {
		ed.scrollCursorToCenterIfHidden()
	}
	ed.savePosHistory(ed.CursorPos)
	ed.NeedsRender()
}

// styleEditor applies the editor styles.
func (ed *Editor) styleEditor() {