Interactions Using Widgets

A variety of functions to create interactive function calls

interactive_output(
  FUN,
  controls,
  out,
  button = NULL,
  continuous_update = TRUE,
  autorun = TRUE,
  clear = FALSE,
  mime_type = "text/plain"
)

mkWidgets(...)

Interactive(
  FUN,
  ...,
  continuous_update = TRUE,
  append_output = FALSE,
  use_display = TRUE
)

interact(
  FUN,
  ...,
  continuous_update = TRUE,
  append_output = FALSE,
  use_display = TRUE
)

Arguments

FUN

A function to called with arguments manipulated using interactive widgets.

controls

A list of controlling widgets, usually created with the function mkwidgets

out

An output widget, i.e. a widget in class "OutputWidget"

button

An (optional) button widget; when clicked, the function FUN is called.

continuous_update

A logical value, if TRUE the function FUN is called whenever one of the controlling widgets changes a value

autorun

Logical, whether the function FUN will be automatically called when any of the controlling widget values is changed or only when button is clicked.

clear

Logical, whether out is cleared before each call of FUN.

mime_type

A character string that specifies the mime type as which the return value of FUN is displayed.

...

Named arguments, transformed into widgets using the generic function mkWidget.

append_output

Logical, whether existing output should be appended to or overwritten.

use_display

Logical, whether the display mechanism is used internally for output streams.