[R] Need suggestions about GUI

[ronggui]

There is a problem with font<- .

g<-gtext(con=T)

enter some text, and select a chunk of text.

font(g) <- c("color"="red")

Now I would like to change the color back into "black". But font(g) <-
c("color"="black") does not work.

Thanks

2008/1/22, j verzani <jverzani at gmail.com>:
> ronggui <ronggui.huang <at> gmail.com> writes:
>
> > Thanks.
> >
> > gWidgets is quite good. However, I want to get the selection text chunk as
> > well as the index, but the index arguments does not work for gtext.
> >
> > > obj<-gtext(cont=T)
> > > svalue(obj,drop=T)
> > [1] "cde"
> > > svalue(obj,drop=T,index=T)
> > [1] "cde"
> >
>
>
>
> The svalue method has the index argument for the widgets where you might want to
> return the  index or value such with a radio button group or combobox. For
> gtext, the drop argument when TRUE returns just the text selected by the mouse,
> otherwise the entire text buffer is returned.
>
> library(gWidgets)
> options("guiToolkit"="RGtk2")
> obj = gtext("sadfsad",cont=T)
> svalue(obj)   ## returns: "sadfsad\n"
> svalue(obj,drop=TRUE)  ## returns  ""
> ## now highlight some text
> svalue(obj,drop=TRUE) ## returns "dfsa"
>
> If you want to email me a bit more detail as to what you are trying to do, I can
> let you know if gWidgets can work for you.
>
> --John
> >
>
> > 2008/1/21, Gabor Grothendieck <ggrothendieck <at> gmail.com>:
> > >
> > > You can find examples of using tcltk here:
> > >
> > > http://www.sciviews.org/_rgui/tcltk/
> > >
> > > Also the gwidgets package is a toolkit independent
> > > layer that can run on top of tcltk or RGtk and it is described
> > > with many examples here:
> > >
> > > http://wiener.math.csi.cuny.edu/pmg/gWidgets
> > >
> > > On Jan 21, 2008 4:02 AM, ronggui <ronggui.huang <at> gmail.com> wrote:
> > > > What I want to do is:
> > > > 1, creat a text box, insert text into that box.
> > > > 2, select chunk of of the text by mouse, and link it to a lable. so I
> > > would
> > > > like a way to get that chunk of text.
> > > >
> > > > Can I do such job with tcltk?  Any relavant tutorial materials?
> > > >
> > > > Thanks
> > > >
> > > > --
> > > > HUANG Ronggui
> > > >
> > > > Bachelor of Social Work, Fudan University, China
> > > >
> > > > Master of sociology, Fudan University, China
> > > >
> > > > Ph.D. Student , CityU of HK,
> > > >
> > > http://www.cityu.edu.hk/sa/psa_web2006/students/rdegree/huangronggui.html
> > > >
> > > >        [[alternative HTML version deleted]]
> > > >
> > > > ______________________________________________
> > > > R-help <at> 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 at 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.
>


-- 
HUANG Ronggui

Bachelor of Social Work, Fudan University, China

Master of sociology, Fudan University, China

Ph.D. Student , CityU of HK,
http://www.cityu.edu.hk/sa/psa_web2006/students/rdegree/huangronggui.html