       const isShowKey = Vue.ref(false)
        const isShowComment = Vue.ref(false)
        const isHideColumns = Vue.ref(false)

        const scale = Vue.ref(1)
        const posX = Vue.ref(0)
        const posY = Vue.ref(0)
        const zoomArea = Vue.ref(null)
        // Manage space key press state
        const isSpacePressed = Vue.ref(false)
        // Manage dragging state
        const isDragging = Vue.ref(false)
        let startX = 0
        let startY = 0
        // Record distance between two