Fixed in R-devel. As a curiosity, this seems to have been there the last 7 years without anyone noticing. And the change to tcl() is another 4.5 years older...
The problem with \dontrun sections in examples is that they tend not to be run... -pd On 12 Mar 2015, at 09:17 , Erich Neuwirth <[email protected]> wrote: > Sorry, > I get at these demo when I do > ?tkscrollbar > Then the help file for many of the UI widgets appears, titled > TkWidgets {tcltk} > On the bottom of this file are the 2 examples I mentioned. > Excuse the incomplete description in the first and the incorrect description > in the second message. > > > > > >> On 12 Mar 2015, at 09:04, peter dalgaard <[email protected]> wrote: >> >>> >>> On 11 Mar 2015, at 23:41 , Erich Neuwirth <[email protected]> >>> wrote: >>> >>> OSX 10.10.2 >>> R 3.1.3 >>> XQuartz installed. >>> >>> I am trying to run one of the tcltk demos >> >> Which demos? Doesn't look like any the ones in the package. >> >> (Please at least be specific when you imply that someone is publishing bad >> code.) >> >>> This one works: >>> >>> tt <- tktoplevel() >>> label.widget <- tklabel(tt, text = "Hello, World!") >>> button.widget <- tkbutton(tt, text = "Push", >>> command = function()cat("OW!\n")) >>> tkpack(label.widget, button.widget) # geometry manager >>> # see Tk-commands >>> >>> >>> But the next one breaks: >>>> if(as.character(tcl("info", "tclversion")) >= "8.5") { >>> + # make use of themed widgets >>> + # list themes >>> + as.character(tcl("ttk::style", "theme", "names")) >>> + # select a theme -- here pre-XP windows >>> + tcl("ttk::style", "theme use", "winnative") >>> + } else { >>> + # use Tk 8.0 widgets >>> + } >>> Error in structure(.External(.C_dotTclObjv, objv), class = "tclObj") : >>> [tcl] bad command "theme use": must be configure, map, lookup, layout, >>> theme, or element. >>> >>> What is going wrong here? >> >> Presumably "theme use" wants to be "theme", "use". >> >> (Many moons ago, tcl() just pasted words together and executed the result as >> a Tcl command via .Tcl. Looks like the author expected .Tcl("ttk::style >> theme use winnative"), but nowadays it uses .Tcl.objv() which expects a >> vector of Tcl words so there is a difference between two words and one word >> with a space in the middle. The puzzling bit is that I'd have thunk Tcl 8.5 >> to be considerably later than the change to tcl()?) >> >> >> -- >> Peter Dalgaard, Professor, >> Center for Statistics, Copenhagen Business School >> Solbjerg Plads 3, 2000 Frederiksberg, Denmark >> Phone: (+45)38153501 >> Email: [email protected] Priv: [email protected] > -- Peter Dalgaard, Professor, Center for Statistics, Copenhagen Business School Solbjerg Plads 3, 2000 Frederiksberg, Denmark Phone: (+45)38153501 Email: [email protected] Priv: [email protected] ______________________________________________ [email protected] mailing list -- To UNSUBSCRIBE and more, see 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.
