rp.text: Text boxes for a panel

In rpanel: Simple Interactive Controls for R using the 'tcltk' Package

Text boxes for a panel

Description

This function adds one or more boxes which allow text to be entered.

Usage

rp.text(panel, text, pos=NULL, action=I, foreground=NULL, background=NULL,
        font=NULL, width=NULL, parentname=deparse(substitute(panel)),
        name = paste("text", .nc(), sep=""), ...)   
rp.text.change(panel, name, text)

Arguments

panel	the panel on which the text should appear.
text	the text to be displayed
pos	the layout instructions. Please see the rp.pos example and help for full details.
action	the function which is called when the text has been entered.
foreground	colour of the text
background	colour of the text background
font	font to be used
width	character width of the textboxes
parentname	this specifies the widget inside which the text entry widget should appear.
name	name assigned to the textentries; used for disposal etc
...	...

Details

The function action should take one argument, which should be the panel to which the text box is attached.

See rp.grid for details of the grid layout system.

Warning

The action function should return the panel. Without this assignment any widgets added or alterations made to panel parameters within the action function will be lost.

References

rpanel: Simple interactive controls for R functions using the tcltk package. Journal of Statistical Software, 17, issue 9.

See Also

rp.control

Examples

## Not run: 
panel <- rp.control(x=1)
callback <- function(panel)
{
  rp.text.change(panel, "t2", panel$x)
  panel$x = panel$x+1
  panel
}
rp.text(panel, "This is a test", name="t1")
rp.text(panel ,"And so is this", font="Arial", foreground="white",
        background="navy", action=callback, name="t2")
rp.text(panel,"Here is some more text, this time across several lines.\n
               Here is some more text, this time across several lines.\n
               Here is some more text, this time across several lines.", name="t3")

## End(Not run)

rpanel documentation built on Feb. 16, 2023, 10:37 p.m.