keyboard.ts 1.36 KB
// 处理键盘记录
export const keyRecordHandle = () => {
  // 默认赋值
  window.$KeyboardActive = {
    ctrl: false,
    space: false
  }

  document.onkeydown = (e: KeyboardEvent) => {
    const { keyCode } = e
    if (keyCode == 32 && e.target == document.body) e.preventDefault()

    if ([17, 32].includes(keyCode) && window.$KeyboardActive) {
      switch (keyCode) {
        case 17:
          window.$KeyboardActive.ctrl = true
          break
        case 32:
          window.$KeyboardActive.space = true
          const previewBoxDom = document.querySelector('.go-preview') as HTMLElement
          if (previewBoxDom && previewBoxDom.style.position === 'absolute') {
            previewBoxDom.style.cursor = 'move'
          }
          break
      }
    }
  }

  document.onkeyup = (e: KeyboardEvent) => {
    const { keyCode } = e
    if (keyCode == 32 && e.target == document.body) e.preventDefault()

    if ([17, 32].includes(keyCode) && window.$KeyboardActive) {
      switch (keyCode) {
        case 17:
          window.$KeyboardActive.ctrl = false
          break
        case 32:
          window.$KeyboardActive.space = false
          break
      }
    }

    const previewBoxDom = document.querySelector('.go-preview') as HTMLElement
    if (previewBoxDom) {
      previewBoxDom.style.cursor = 'default'
    }
  }
}