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Add mention of how the callback is used

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FlutterSprite 2017-11-12 01:56:35 -08:00 • committed by GitHub
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evennia/contrib/tree_select.py
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@ -127,7 +127,16 @@ Now we see that the Baz option has a description attached that's separate from i
Bar [+]
Baz: Look at this one: the best option.
Qux
Once the player makes a selection - let's say, 'Foo' - the menu will terminate and call
your specified callback with the selection, like so:
callback(TEST_MENU, caller, 0, "Foo")
The index of the selection is given along with a string containing the selection's key.
That way, if you have two selections in the menu with the same key, you can still
differentiate between them.
And that's all there is to it! For simple branching-tree selections, using this system is
much easier than manually creating EvMenu nodes. It also makes generating menus with dynamic
options much easier - since the source of the menu tree is just a string, you could easily