gcheckbox {gWidgets} | R Documentation |
A checkbox shows a value and a box to check indicating if the value is desired or not.
gcheckbox(text, checked = FALSE, handler = NULL, action = NULL, container = NULL, ..., toolkit = guiToolkit())
text |
Text to show by box |
checked |
Logical indicating initial state of box |
handler |
Called when box is toggled. |
action |
Passed to handler |
container |
Optional container to attach widget to. |
... |
|
toolkit |
Which toolkit to use? |
The value of the widget is either TRUE
or FALSE
.
The svalue
method returns a logical indicating
TRUE
if the box is checked.
The svalue<-
method can be used to set the value
using a logical.
The "["
method returns the label on the box.
The "[<-"
method can be used to change the label on the
box.
Any addhandlerchanged
handler is called when the button is
toggled.
John Verzani
Methods for gComponent objects are detailed in gWidgets-methods
.
Event Handlers are detailed in gWidgets-handlers
.
## Not run: gcheckbox("checked", container=TRUE, handler=function(h,...) { cat("The widget is checked",svalue(h$obj), "\n") }) ## End(Not run)