home *** CD-ROM | disk | FTP | other *** search
- -- This program is a simple example of the kind of thing that you can do with
- -- ANSI escape character sequences. But, of course, it will only work on
- -- machines that support those character sequences (xterms and PCs with
- -- ansi.sys installed, for example).
- --
- -- Type `interact program' to run the program.
-
- module AnsiDemo( program ) where
- import AnsiInteract
-
- writes = writeStr . concat
- program = writes [ cls,
- at (17,5) (highlight "Demonstration program"),
- at (48,5) "Version 1.0",
- at (17,7) "This program illustrates a simple approach",
- at (17,8) "to screen-based interactive programs using",
- at (17,9) "the Hugs functional programming system.",
- at (17,11) "Please press any key to continue ..."
- ]
- (pressAnyKey
- (promptReadAt (17,15) 18 "Please enter your name: " (\name ->
- (let reply = "Hello " ++ name ++ "!" in
- writeAt (40-(length reply`div` 2),18) reply
- (moveTo (1,23)
- (writeStr "I'm waiting...\n"
- (pressAnyKey
- end)))))))
-
-