tkProgressBar | R Documentation |
Put up a Tk progress bar widget.
tkProgressBar(title = "R progress bar", label = "", min = 0, max = 1, initial = 0, width = 300) getTkProgressBar(pb) setTkProgressBar(pb, value, title = NULL, label = NULL) ## S3 method for class 'tkProgressBar' close(con, ...)
title, label |
character strings, giving the window title and the label on the dialog box respectively. |
min, max |
(finite) numeric values for the extremes of the progress bar. |
initial, value |
initial or new value for the progress bar. |
width |
the width of the progress bar in pixels: the dialog box will be 40 pixels wider (plus frame). |
pb, con |
an object of class |
... |
for consistency with the generic. |
tkProgressBar
will display a widget containing a label and
progress bar.
setTkProgessBar
will update the value and for non-NULL
values, the title and label (provided there was one when the widget
was created). Missing (NA
) and out-of-range values of
value
will be (silently) ignored.
The progress bar should be close
d when finished with.
This will use the ttk::progressbar
widget for Tk version 8.5 or
later, otherwise R's copy of BWidget's progressbar
.
For tkProgressBar
an object of class "tkProgressBar"
.
For getTkProgressBar
and setTkProgressBar
, a
length-one numeric vector giving the previous value (invisibly for
setTkProgressBar
).
txtProgressBar
pb <- tkProgressBar("test progress bar", "Some information in %", 0, 100, 50) Sys.sleep(0.5) u <- c(0, sort(runif(20, 0, 100)), 100) for(i in u) { Sys.sleep(0.1) info <- sprintf("%d%% done", round(i)) setTkProgressBar(pb, i, sprintf("test (%s)", info), info) } Sys.sleep(5) close(pb)
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