dev.interactive: Is the Current Graphics Device Interactive?
Description
Test if the current graphics device (or that which would be opened) is
interactive.
Usage
dev.interactive(orNone = FALSE)
deviceIsInteractive(name = NULL)
Arguments
orNone
logical; if TRUE, the function also returns
TRUE when .Device == "null device" and
getOption("device") is among the known
interactive devices.
name
one or more device names as a character vector,
or NULL to give the existing list.
Value
dev.interactive() returns a logical, TRUE if and only if an
interactive (screen) device is in use.deviceIsInteractive returns the updated list of known
interactive devices, invisibly unless name = NULL.
Details
The X11 (Unix), windows (Windows) and quartz
(OS X, on-screen types only) are regarded as interactive, together
with JavaGD (from the package of the same name) and
CairoWin and CairoX11 (from package \href{https://CRAN.R-project.org/package=#1}{\pkg{#1}}CairoCairo).
Packages can add their devices to the list by calling
deviceIsInteractive.
See Also
Devices for the available devices on your platform.