Form
Groups inputs; .fnc runs on submit.
Submitting a form
Form groups fields: .fnc { … } runs when it is submitted, by a Button with submit: true or by Enter in a field. The browser's own validation (required, kind: email) runs first.
Page(
.name(Contact)
.route('/')
var txt email = ''
var txt sent = ''
Scaffold(
.config(color: canvas)
.body(
Column(
.config(w: 320, gap: 12, padding: all(24))
Form(
.config(gap: 12)
.fnc { sent = email }
Input(
.preset(default)
.config(kind: email, label: 'Email', required: true, value: email)
.fnc { email = value }
)
Button(.preset(default) .config(label: 'Notify me', submit: true))
)
Text(
.config(color: muted)
.obj(sent == '' ? 'Nothing sent yet.' : 'We will write to $sent.')
)
)
)
)
)Config keys
| Key | Type | Default | Meaning |
|---|---|---|---|
w (width) | len | fill | hug | Width: a length, fill (share the remaining space) or hug (fit content, default). | |
h (height) | len | fill | hug | Height: a length, fill or hug (default). | |
size (s) | size | Width and height together: size: 200 or size: (200, 120). | |
minW (minWidth) | len | Minimum width. | |
maxW (maxWidth) | len | Maximum width. | |
minH (minHeight) | len | Minimum height. | |
maxH (maxHeight) | len | Maximum height. | |
aspect (aspectRatio) | num | Aspect ratio (width / height), e.g. 16/9. | |
color (bg, background, colorBG) | paint | Background paint: a colour or gradient. | |
padding (pad) | insets | Space inside the object. | |
cornerRadius (radius, borderRadius, corner) | radius | Corner radius: one length or only(topLeft: 8, …). | |
borderWidth | len | Border width. | |
borderColor | color | Border colour. | |
borderAlign | in | mid | out | in | Where the border sits relative to the edge: in, mid or out. |
borderStyle | solid | dashed | dotted | solid | Border line style. |
borderSides | all | top | bottom | left | right | x | y | all | Which sides draw the border (inside the box). |
shadow | shadow | Drop shadow(s): shadow(y: 4, blur: 12, color: black.alpha(20%)). | |
clip | bool | Clip children to the object's bounds (and corner radius). | |
z | int | Stacking order among siblings. | |
margin | insets | Space outside the object: all(8), sym(x: 8, y: 4), only(top: 8). | |
opacity | num | Opacity from 0 to 1. | |
hide (hidden) | bool | Removes the object from layout and the accessibility tree. | |
shrink | num | 1 | Shrink priority when space runs out. Lower shrinks first; 0 never shrinks. |
flex | num | 1 | Share of remaining space for fill sizes. |
cursor | auto | pointer | text | grab | grabbing | move | notAllowed | crosshair | none | Pointer cursor. | |
className (class) | txt | Extra CSS class names: styling hooks for your own stylesheet (hover rules, third-party CSS). | |
gap | len | Space between fields. |
Slots
.objs: several objects, the default slot
Events
.fnc runs on submit. .on(...) accepts tap, press, hover, hoverEnd, focus, blur, key, drag, swipe, mount, unmount, visible.