The playSudoku function in the Sudoku package reacts to keypresses using windows or Tk, you can use that as an example.
-- Gregory (Greg) L. Snow Ph.D. Statistical Data Center Intermountain Healthcare greg.s...@imail.org 801.408.8111 > -----Original Message----- > From: r-help-boun...@r-project.org [mailto:r-help-boun...@r- > project.org] On Behalf Of Martin Teicher > Sent: Friday, August 13, 2010 8:27 PM > To: r-help@r-project.org > Subject: [R] detecting a key press > > Hi Folks, > > I'm relatively new to r. I'd like to have a user respond by pressing a > 1 or a 2 and determining their choice and the time of response. > Previous postings have indicated that keyboard responses can be > processed using scan and readline but both seem to wait for the user to > also press return. Is there a way to detect the initial key press > without requiring them to hit return? > > Thank you so much. > > Martin H. Teicher > Department of Psychiatry > McLean Hospital / Harvard Medical School > Belmont, MA USA > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide http://www.R-project.org/posting- > guide.html > and provide commented, minimal, self-contained, reproducible code. ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.