There is a much more general way of setting the width of an entry to hold
a given number of characters. There is the width method of the GdkFont
type. I think for most fonts, the widest character is m or w, so you
could get the proper width with this code:
entry.set_usize(entry.get_style().font.width('m'*length), -1)
This will work correctly even if a different font is chosen in the RC
files.
James Henstridge.
--
Email: [EMAIL PROTECTED]
WWW: http://www.daa.com.au/~james/
On Mon, 30 Nov 1998, Richard Fish wrote:
> Martin Preishuber wrote:
> >
> > Hi there,
> >
> > I have 2 problems with using pygtk:
> >
> > - This one should be pretty easy ... Can i define the size of entry
> > fields
> > somehow ? I mean without messing around with boxes ..
>
> I use code something like this to create, for example, a GtkEntry that
> will hold 10 characters:
>
> length=10
> e=GtkEntry()
> e.set_max_length(length)
> e.set_usize((length+2)*9,-1)
>
> The formula in set_usize I got by trial and error, using the default
> font. I'm not sure how to do this in a non-font-specific manner.
>
> > - Second I want to insert the output of some program into a GtkText
> > field.
> > I've done this this way:
> >
> > pipe = popen(command, "r")
> >
> > line = "full"
> > while (line != ""):
> > line = pipe.readline()
> > if (line != ""):
> > text.insert_defaults(line)
> > mainiteration()
> > pipe.close()
> >
> > Now there are a couple of problems: first the windows hangs as long as
> > no output
>
> You want select() -- search the Python library reference...
>
> > comes from the pipe. second some programs overwrite the output of a
> > line (e.g
> > those %-counter ... xx% where xx counts up) and this appears really
> > messy in
> > the text box ...
>
> Some programs do this with backspaces, others with carriage returns.
> Some use real terminal addressing. In the first two cases, you've got a
> chance. I don't know how you would handle the terminal addressing case
> though...
>
> I haven't tested this, but something like this should work for the
> backspace/CR cases. This is coded for the backspace case...all that is
> left is to include
> the select() statement where noted...
>
> sep = "\b"
> data = ""
> eof=0
> while (not eof):
>
> # select here with appropriate timeout
> # Process any pending events
> # If no input, next loop (continue)
>
> tmp = pipe.read(1024)
> if (not len(tmp)):
> # end of data -- make sure last "line" is processed
> tmp = sep
> eof = 1
>
> # data may hold residual data from the previous read
> data = data + tmp
> lines = string.split(data,sep)
>
> # the last line may not be completed yet -- save it as
> # residual for the next line. Note that above, when
> # we reach eof, we mark the last line as completed.
> data = lines[-1]
> lines = lines[:-1]
>
> for line in lines:
> line = string.strip(line)
> if (len(line)):
> # do something with line
>
>
> --
> Richard Fish Enhanced Software Technologies, Inc.
> Software Developer 4014 E Broadway Rd Suite 405
> [EMAIL PROTECTED] Phoenix, AZ 85040
> (602) 470-1115 http://www.estinc.com
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