useMousePressed
響應式滑鼠按壓狀態。由目標元素上的 mousedown
touchstart
觸發,並由視窗上的 mouseup
mouseleave
touchend
touchcancel
釋放。
範例
pressed: false
sourceType: null
追蹤於
基本用法
js
import { useMousePressed } from '@vueuse/core'
const { pressed } = useMousePressed()
預設啟用觸控。若要僅偵測滑鼠變更,請將 touch
設定為 false
js
const { pressed } = useMousePressed({ touch: false })
若要僅捕捉特定元素上的 mousedown
和 touchstart
,您可以透過傳遞元素 ref 來指定 target
。
vue
<script setup lang="ts">
import { useTemplateRef } from 'vue'
const el = useTemplateRef<HTMLDivElement>('el')
const { pressed } = useMousePressed({ target: el })
</script>
<template>
<div ref="el">
Only clicking on this element will trigger the update.
</div>
</template>
元件用法
此函式也透過 `@vueuse/components` 套件提供無渲染元件版本。 深入瞭解用法。
vue
<template>
<UseMousePressed v-slot="{ pressed }">
Is Pressed: {{ pressed }}
</UseMousePressed>
</template>
類型宣告
顯示類型宣告
typescript
export interface MousePressedOptions extends ConfigurableWindow {
/**
* Listen to `touchstart` `touchend` events
*
* @default true
*/
touch?: boolean
/**
* Listen to `dragstart` `drop` and `dragend` events
*
* @default true
*/
drag?: boolean
/**
* Add event listerners with the `capture` option set to `true`
* (see [MDN](https://developer.mozilla.org/en-US/docs/Web/API/EventTarget/addEventListener#capture))
*
* @default false
*/
capture?: boolean
/**
* Initial values
*
* @default false
*/
initialValue?: boolean
/**
* Element target to be capture the click
*/
target?: MaybeComputedElementRef
/**
* Callback to be called when the mouse is pressed
*
* @param event
*/
onPressed?: (event: MouseEvent | TouchEvent | DragEvent) => void
/**
* Callback to be called when the mouse is released
*
* @param event
*/
onReleased?: (event: MouseEvent | TouchEvent | DragEvent) => void
}
/**
* Reactive mouse pressing state.
*
* @see https://vueuse.dev.org.tw/useMousePressed
* @param options
*/
export declare function useMousePressed(options?: MousePressedOptions): {
pressed: ShallowRef<boolean, boolean>
sourceType: ShallowRef<UseMouseSourceType, UseMouseSourceType>
}
export type UseMousePressedReturn = ReturnType<typeof useMousePressed>