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unleashed-firmware/documentation/js/js_gui__widget.md
WillyJL d34ff3310d JS: Update and fix docs, fix Number.toString() with decimals (#4168)
* Update and fix JS docs

This could really use some automation, atleast for API reference
There are TypeScript definitions and typedocs, we don't need to be monkeys copying and reformatting this to API reference by hand

* Fix bugged character

* JS: Fix Number.toString() with decimals

* Fix

* Forgot this one

* docs: mention per-view child format

* Added @portasynthinca3 to docs' codeowners

* Updated CODEOWNERS

---------

Co-authored-by: Anna Antonenko <portasynthinca3@gmail.com>
Co-authored-by: hedger <hedger@nanode.su>
Co-authored-by: hedger <hedger@users.noreply.github.com>
2025-04-01 15:02:12 +04:00

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Markdown

# Widget GUI view {#js_gui__widget}
Displays a combination of custom elements on one screen.
<img src="widget.png" width="200" alt="Sample screenshot of the view" />
```js
let eventLoop = require("event_loop");
let gui = require("gui");
let widgetView = require("gui/widget");
```
This module depends on the `gui` module, which in turn depends on the
`event_loop` module, so they **must** be imported in this order. It is also
recommended to conceptualize these modules first before using this one.
## Example
For an example, refer to the `gui.js` example script.
## View props
This view does not have any props.
## Children
This view has the elements as its children.
Elements are objects with properties to define them, in the form `{ element: "type", ...properties }` (e.g. `{ element: "button", button: "right", text: "Back" }`).
| **Element Type** | **Properties** | **Description** |
|------------------|----------------|------------------------------------------------|
| `string_multiline` | `x` (number), `y` (number) <br> `align` ((`"t"`, `"c"`, `"b"`) + (`"l"`, `"m"`, `"r"`)) <br> `font` (`"primary"`, `"secondary"`, `"keyboard"`, `"big_numbers"`) <br> `text` (string) | String of text that can span multiple lines. |
| `string` | `x` (number), `y` (number) <br> `align` ((`"t"`, `"c"`, `"b"`) + (`"l"`, `"m"`, `"r"`)) <br> `font` (`"primary"`, `"secondary"`, `"keyboard"`, `"big_numbers"`) <br> `text` (string) | String of text. |
| `text_box` | `x` (number), `y` (number) <br> `w` (number), `h` (number) <br> `align` ((`"t"`, `"c"`, `"b"`) + (`"l"`, `"m"`, `"r"`)) <br> `text` (string) <br> `stripToDots` (boolean) | Box of with text that can be scrolled vertically. |
| `text_scroll` | `x` (number), `y` (number) <br> `w` (number), `h` (number) <br> `text` (string) | Text that can be scrolled vertically. |
| `button` | `text` (string) <br> `button` (`"left"`, `"center"`, `"right"`) | Button at the bottom of the screen. |
| `icon` | `x` (number), `y` (number) <br> `iconData` ([IconData](#js_gui__icon)) | Display an icon. |
| `rect` | `x` (number), `y` (number) <br> `w` (number), `h` (number) <br> `radius` (number), `fill` (boolean) | Draw a rectangle, optionally rounded and filled. |
| `circle` | `x` (number), `y` (number) <br> `radius` (number), `fill` (boolean) | Draw a circle, optionally filled. |
| `line` | `x1` (number), `y1` (number) <br> `x2` (number), `y2` (number) | Draw a line between 2 points. |