Date: Tue, 2 Dec 1997 14:04:04 +1100 (EST) From: Peter Hawkins <peter@rhiannon.clari.net.au> To: jkh@time.cdrom.com, peter@rhiannon.clari.net.au Cc: danny@hilink.com.au, freebsd-hackers@FreeBSD.ORG, j@uriah.heep.sax.de Subject: Re: GUI wizard interface Message-ID: <199712020304.OAA17066@rhiannon.clari.net.au>
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>Hmmm. This sounds very promising, though without a bit more detail
>it's hard for me comment any more significantly on it. Strangely
>enough, I've also been working on a "wizard" tool these last couple of
>days since I managed to hand Mike Smith my package & installer hat a
>few weeks back and am now free to think about different problems in
>that same general region of the system. Perhaps we can work together
>on some aspect of this?
Sure! How about you send me the code to your back end (the ppp thing
which calls it) so I can get a feel for your contexts concept?
In my case, the interface you'd write would be a finite state
machine but it sounds sort of similar. The alpha will be out (I hope)
within a week. I had envisaged that 1.1 would have an improved interface
which I'd write using lex and define a syntax to be an alternative
to direct calls. Perhaps I could encompass your contexts that way?
The finite state machine doesn't push or pop states as it is; here
is a crude example...
exithandle()
{
cvend();
}
display( char *result)
{
cvprintf("user added",result,"ok",mainmenu,"back",mainmenu,"cancel",exithandle);
}
adduser( char *result)
{
cvdialoglist( "Add an account", "type in up to 4 values",
"enter username",
"enter account name",
"enter uid",
"home directory",
"back", mainmenu, "next", display );
}
mainmenu()
{
cvbuttonlist( "Account manager", "press your button",
"add new account", adduser,
"delete account", deluser,
"cancel", exithandle );
}
main()
{
cvinit( stuff );
mainmenu();
}
items are buttons or dialogs. buttons are followed by a handler routine
name and the names "ok" "next" "back" and "cancel" are special - always
buttons and are placed in the navigation bar at the bottom of the screen.
cvprintf() is used to display messages and results.
I am planning to add cvmatrix() which will combine all the above into a
single call defining a state matrix.
Peter
Peter
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