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Add scroll_container formspec element (redo) (#9101)

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New formspec elements:

 - `scroll_container[<X>,<Y>;<W>,<H>;<scrollbar name>;<orientation>;<scroll factor>]`
 - `scroll_container_end[]`

Other elements can be embedded in this element. Scrollbar must be placed manually.
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DS 2020-04-13 10:50:07 +02:00 • committed by GitHub
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20
doc/lua_api.txt
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@ -2102,6 +2102,26 @@ Elements
* End of a container, following elements are no longer relative to this
container.
### `scroll_container[<X>,<Y>;<W>,<H>;<scrollbar name>;<orientation>;<scroll factor>]`
* Start of a scroll_container block. All contained elements will ...
* take the scroll_container coordinate as position origin,
* be additionally moved by the current value of the scrollbar with the name
`scrollbar name` times `scroll factor` along the orientation `orientation` and
* be clipped to the rectangle defined by `X`, `Y`, `W` and `H`.
* `orientation`: possible values are `vertical` and `horizontal`.
* `scroll factor`: optional, defaults to `0.1`.
* Nesting is possible.
* Some elements might work a little different if they are in a scroll_container.
* Note: If you want the scroll_container to actually work, you also need to add a
scrollbar element with the specified name. Furthermore, it is highly recommended
to use a scrollbaroptions element on this scrollbar.
### `scroll_container_end[]`
* End of a scroll_container, following elements are no longer bound to this
container.
### `list[<inventory location>;<list name>;<X>,<Y>;<W>,<H>;]`
* Show an inventory list if it has been sent to the client. Nothing will