Steve> I wan't to use a GtkSpinButton to display the port of a service
Steve> but I want to display the text for know services. e.g. if 79 is
Steve> displayed and they increment, display 'http' instead of 80.
This isn't quite what you're looking for, but I was able to create a slider
that displayed a list of strings instead of numbers. The trick there is to
define a handler for the "format-value" signal. In your case, instead of
simply displaying a number, you'd look it up in a dict that maps port
numbers to service names and display the service name when found:
import gtk
class PortScale(gtk.HScale):
def __init__(self, min, max):
adj = gtk.Adjustment(min, min, max, 1.0, 1.0, 0.0)
gtk.HScale.__init__(self, adj)
self.protocol_map = {
21: "ftp",
23: "telnet",
25: "smtp",
80: "http",
# etc - probably should parse /etc/services
}
self.set_digits(1)
self.connect("format-value", self.get_label)
def get_label(self, slider, val):
val = int(val)
return self.protocol_map.get(val, val)
w = gtk.Window()
w.set_title("port slider")
w.connect("destroy", gtk.mainquit)
s = PortScale(21, 80)
s.set_size_request(150, -1)
w.add(s)
w.show_all()
gtk.mainloop()
HTH...
--
Skip Montanaro ([EMAIL PROTECTED] - http://www.mojam.com/)
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