组合手势

// xxx.ets
@Entry
@Component
struct GestureGroupExample {
  @State count: number = 0
  @State offsetX: number = 0
  @State offsetY: number = 0
  @State positionX: number = 0
  @State positionY: number = 0
  @State borderStyles: BorderStyle = BorderStyle.Solid

  build() {
    Column() {
      Text('sequence gesture\n' + 'LongPress onAction:' + this.count + '\nPanGesture offset:\nX: ' + this.offsetX + '\n' + 'Y: ' + this.offsetY)
        .fontSize(15)
    }
    .translate({ x: this.offsetX, y: this.offsetY, z: 0 })
    .height(150)
    .width(200)
    .padding(20)
    .margin(20)
    .border({ width: 3, style: this.borderStyles })
    .gesture(
      // 以下组合手势为顺序识别，当长按手势事件未正常触发时则不会触发拖动手势事件
    GestureGroup(GestureMode.Sequence,
    LongPressGesture({ repeat: true })
      .onAction((event?: GestureEvent) => {
        if (event && event.repeat) {
          this.count++
        }
        console.info('LongPress onAction')
      }),
    PanGesture()
      .onActionStart(() => {
        this.borderStyles = BorderStyle.Dashed
        console.info('pan start')
      })
      .onActionUpdate((event?: GestureEvent) => {
        if (event) {
          this.offsetX = this.positionX + event.offsetX
          this.offsetY = this.positionY + event.offsetY
        }
        console.info('pan update')
      })
      .onActionEnd(() => {
        this.positionX = this.offsetX
        this.positionY = this.offsetY
        this.borderStyles = BorderStyle.Solid
        console.info('pan end')
      })
    )
      .onCancel(() => {
        console.info('sequence gesture canceled')
      })
    )
  }
}