usePress
Handles press interactions across mouse, touch, keyboard, and screen readers. It normalizes behavior across browsers and platforms, and handles many nuances of dealing with pointer and keyboard events.
install | yarn add @react-aria/interactions |
---|---|
version | 3.7.0 |
usage | import {usePress} from '@react-aria/interactions' |
API#
usePress(
(props: PressHookProps
)): PressResult
Features#
usePress
handles press interactions across mouse, touch, keyboard, and screen readers. A press interaction starts when a
user presses down with a mouse or their finger on the target, and ends when they move the pointer off the target. It may
start again if the pointer re-enters the target. usePress
returns the current press state, which can be used to adjust
the visual appearance of the target. If the pointer is released over the target, then an onPress
event is fired.
- Handles mouse and touch events
- Handles Enter or Space key presses
- Handles screen reader virtual clicks
- Uses pointer events where available, with fallbacks to mouse and touch events
- Normalizes focus behavior on mouse and touch interactions across browsers
- Handles disabling text selection on mobile while the press interaction is active
- Handles canceling press interactions on scroll
- Normalizes many cross browser inconsistencies
Read our blog post about the complexities of press event handling to learn more.
Usage#
usePress
returns props that you should spread onto the target element, along with the current press state:
Name | Type | Description |
isPressed | boolean | Whether the target is currently pressed. |
pressProps | HTMLAttributes<HTMLElement> | Props to spread on the target element. |
usePress
supports the following event handlers:
Name | Type | Description |
onPress | (
(e: PressEvent
)) => void | Handler that is called when the press is released over the target. |
onPressStart | (
(e: PressEvent
)) => void | Handler that is called when a press interaction starts. |
onPressEnd | (
(e: PressEvent
)) => void | Handler that is called when a press interaction ends, either over the target or when the pointer leaves the target. |
onPressChange | (
(isPressed: boolean
)) => void | Handler that is called when the press state changes. |
onPressUp | (
(e: PressEvent
)) => void | Handler that is called when a press is released over the target, regardless of whether it started on the target or not. |
Each of these handlers is fired with a PressEvent
, which exposes information about the target and the
type of event that triggered the interaction.
Name | Type | Description |
type | 'pressstart'
| 'pressend'
| 'pressup'
| 'press' | The type of press event being fired. |
pointerType | PointerType | The pointer type that triggered the press event. |
target | HTMLElement | The target element of the press event. |
shiftKey | boolean | Whether the shift keyboard modifier was held during the press event. |
ctrlKey | boolean | Whether the ctrl keyboard modifier was held during the press event. |
metaKey | boolean | Whether the meta keyboard modifier was held during the press event. |
altKey | boolean | Whether the alt keyboard modifier was held during the press event. |
Example#
This example shows a simple target that handles press events with usePress
and logs them to a list below.
It also uses the isPressed
state to adjust the background color when the target is pressed.
Press down on the target and drag your pointer off and over to see when the events are fired, and try focusing
the target with a keyboard and pressing the Enter or Space keys to trigger events as well.
NOTE: for more advanced button functionality, see useButton.
function Example() {
let [events setEvents] = ReactuseState([]);
let {pressProps isPressed} = usePress({
onPressStart: (e) =>
setEvents((events) => [...events `press start with `])
onPressEnd: (e) =>
setEvents((events) => [...events `press end with `])
onPress: (e) =>
setEvents((events) => [...events `press with `])
});
return (
<>
<div
...pressProps
style={
background: isPressed ? 'darkgreen' : 'green'
color: 'white'
display: 'inline-block'
padding: 4
cursor: 'pointer'
}
role="button"
tabIndex=0>
Press me!
</div>
<ul
style={
maxHeight: '200px'
overflow: 'auto'
}>
eventsmap((e i) => (
<li key= i> e</li>
))
</ul>
</>
);
}
function Example() {
let [events setEvents] = ReactuseState([]);
let {pressProps isPressed} = usePress({
onPressStart: (e) =>
setEvents((events) => [
...events
`press start with
`])
onPressEnd: (e) =>
setEvents((events) => [
...events
`press end with
`])
onPress: (e) =>
setEvents((events) => [
...events
`press with
`])
});
return (
<>
<div
...pressProps
style={
background: isPressed ? 'darkgreen' : 'green'
color: 'white'
display: 'inline-block'
padding: 4
cursor: 'pointer'
}
role="button"
tabIndex=0>
Press me!
</div>
<ul
style={
maxHeight: '200px'
overflow: 'auto'
}>
eventsmap((e i) => (
<li key= i> e</li>
))
</ul>
</>
);
}
function Example() {
let [
events
setEvents
] = ReactuseState([]);
let {
pressProps
isPressed
} = usePress({
onPressStart: (e) =>
setEvents(
(events) => [
...events
`press start with
`]
)
onPressEnd: (e) =>
setEvents(
(events) => [
...events
`press end with
`]
)
onPress: (e) =>
setEvents(
(events) => [
...events
`press with
`]
)
});
return (
<>
<div
...pressProps
style={
background: isPressed
? 'darkgreen'
: 'green'
color: 'white'
display:
'inline-block'
padding: 4
cursor:
'pointer'
}
role="button"
tabIndex=0>
Press me!
</div>
<ul
style={
maxHeight:
'200px'
overflow:
'auto'
}>
eventsmap(
(e i) => (
<li key= i>
e
</li>
)
)
</ul>
</>
);
}