Why?

It allows other application to know what URL is displayed by Arena. It is also possible to give orders to Arena

How?

It uses the X properties, ARENA_LOCATION and ARENA_COMMAND, some other may be added later...

Syntax

ARENA_LOCATION

shows the URL and TITLE of the current document.

must only be read by external client.

There are two strings, "URL=<current_url>" and "TITLE=<current_url>".

The exact format is "URL=<url>\0TITLE=>title<\0\0

ARENA_COMMAND

gives orders to Arena. now only GOTO is implemented

clients must only append data.

each command have parameters and is terminated by a null string

"GOTO"

parameters:

"URL=<new_url>" specifies the location.

"NEW" Opens the URL in a new window.

More functions will be added...

An automatic URL retriever using this scheme has been done. It is called "browser-history"