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Add button_url[] and hypertext element to allow mods to open web pages (#13825)

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Fixes #12500
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rubenwardy 2024-03-24 17:19:23 +00:00 • committed by GitHub
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17 changed files with 530 additions and 37 deletions
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19
doc/lua_api.md
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@ -3017,6 +3017,16 @@ Elements
centered on `H`. With the new coordinate system, `H` will modify the height.
* `label` is the text on the button
### `button_url[<X>,<Y>;<W>,<H>;<name>;<label>;<url>]`
* Clickable button. When clicked, fields will be sent and the user will be given the
option to open the URL in a browser.
* With the old coordinate system, buttons are a set height, but will be vertically
centered on `H`. With the new coordinate system, `H` will modify the height.
* To make this into an `image_button`, you can use formspec styling.
* `label` is the text on the button.
* `url` must be a valid web URL, starting with `http://` or `https://`.
### `image_button[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]`
* `texture name` is the filename of an image
@ -3043,6 +3053,11 @@ Elements
* When clicked, fields will be sent and the form will quit.
* Same as `button` in all other respects.
### `button_url_exit[<X>,<Y>;<W>,<H>;<name>;<label>;<url>]`
* When clicked, fields will be sent and the form will quit.
* Same as `button_url` in all other respects.
### `image_button_exit[<X>,<Y>;<W>,<H>;<texture name>;<name>;<label>]`
* When clicked, fields will be sent and the form will quit.
@ -3538,11 +3553,13 @@ Changes the style of the text.
Sets global style.
Global only styles:
* `background`: Text background, a `colorspec` or `none`.
* `margin`: Page margins in pixel.
* `valign`: Text vertical alignment (`top`, `middle`, `bottom`).
Inheriting styles (affects child elements):
* `color`: Default text color. Given color is a `colorspec`.
* `hovercolor`: Color of <action> tags when mouse is over.
* `size`: Default text size.
@ -3556,6 +3573,7 @@ tags appear.
`<tag name=... color=... hovercolor=... font=... size=...>`
Defines or redefines tag style. This can be used to define new tags.
* `name`: Name of the tag to define or change.
* `color`: Text color. Given color is a `colorspec`.
* `hovercolor`: Text color when element hovered (only for `action` tags). Given color is a `colorspec`.
@ -3588,6 +3606,7 @@ Other tags can be added using `<tag ...>` tag.
Make that text a clickable text triggering an action.
* `name`: Name of the action (mandatory).
* `url`: URL to open when the action is triggered (optional).
When clicked, the formspec is send to the server. The value of the text field
sent to `on_player_receive_fields` will be "action:" concatenated to the action