Method setPadding

scripts/chaining.js:363–366

(top, leading, bottom, trailing)

      return this;
    }
    setPadding(top, leading, bottom, trailing) {
      this.widgetStack.setPadding(top, leading, bottom, trailing);
      return this;
    }
    size(size) {
      this.widgetStack.size = size;
      return this;