How to Use PowerPoint-like Shapes/R Output/Text Box/Callouts in Displayr

This article describes how I can easily easily make changes to text boxes and calculations and have them feel like PowerPoint shapes. For example, if I want to change a Text Box into a Callout, or change a Rectangle Shape into a rounded corner rectangle as in the following:

To a state where I have changed the shape and style of each object:

Requirements

A document containing Textboxes, rectangles, and/or calculations you want to treat as PowerPoint shapes.
Note: you can currently only change the shape of textboxes, rectangles and calculations.

Method

Changing the shape of a rectangle

From the Insert a Shape menu in the toolbar, select a Rectangle
Select the object:
From the Shape menu on the left, select the shape you want to change the rectangle to. The available choices: Round Corner Rectangle, Callout Wedge Rectangle, or a Callout Wedge Round Rectangle:

In this example, I will change he shape to a round corner rectangle.
Under Rectangles, click the round rectangle shape
The results are as follows:

In addition, I can change the Shape Style.

Select the object you want to change
In the object inspector, use the Shape Style menu to select one of the following styles:

For example:

The results are as follows:

Changing the Shape of a Textbox

Let's say I would like to change the shape of a textbox to a callout wedge rectangle

From the toolbar, Insert a textbox
Select the Textbox
For example:
In the object inspector on the left, from the Shape menu, select Callout Wedge Rectangle

The results are as follows: