From: Andrew Cowan <icculus@...>
Date: 2002-09-30T06:58:04+09:00
Subject: Re: Question about character input


Jakub, I have always considered curses to be a console-oriented windowing 
system, can this be used through a socket connection, to create a window 
remotely on a terminal connected via telnet to the ruby application (server) ?

Thanks!
Andy

On Saturday 28 September 2002 15:08, you wrote:
> Andrew Cowan wrote:
> > I am working on an text-based application (no GUI involved) and am
> > wondering if there is a way to get character input back from the user but
> > replacing each displayed character as it is typed with a '*' - e.g. to
> > hide a password being typed in.
> >
> > I figured I could just do a getc, then putc the meta sequence for the
> > Delete character but it isn't working at all..
> >
> > Any ideas? I'd love some help and would greatly appreciate a quick
> > example that shows that this is possible.
>
> Hello,
>
> on linux (and other unices) you will need to know terminal escape codes
> or use some high level library such as
>   termcap or terminfo (it will tell you escape codes for particular
> terminal) curses or ncurses (it will allow very simple windowing in
> terminal) jttui (high level ruby bindings to ncurses library)
>
> jttui password dialog example (just a quick hack):
> ---------------------------------------
> require 'jttui/jttui'
> require 'jttui/jttuistd'
>
> JTTui.run do |root|
>    d=JTTDialog.new(root, 'Dialog Window', 0, 0, 30, 10,
>                     'Example 8 - password dialog')
>    d.align=JTTWindow::ALIGN_CENTER
>    l=JTTWLabel.new(d, 'Label 1', 0, 0, 40, 1, 'Enter password:')
>    p=JTTWEditpass.new(d, 'PWEdit 1', 2, 2, 20, 1,'', true)
>    b=JTTWButton.new(d, 'Quit button', 2, 4, 6, 1, '_Quit') {
>      JTTWMessagebox.new("You have typed '#{p.editor.text}'", 0, 0,
> 'Ok').execute JTTui.addmessage nil, :close
>    }
>    [p,b].each{|x| d.addtabstop x}
>    d.defaultbutton=b
> end
> ---------------------------------------
>
> JTTui screenshots and download at
> http://klokan.sh.cvut.cz/~jtra/
>
> unstable version of Debian GNU/Linux contains JTTui as package
> libjttui-ruby
>
> Jakub Travnik,
> jabber://jtra@jabber.com