def __init__(self, parent=None, frame=QtWidgets.QFrame.Box):
            super(FIRSTUI.ScrollWidget, self).__init__()

            #   Container Widget
            widget = QtWidgets.QWidget()
            #   Layout of Container Widget
            self.layout = QtWidgets.QVBoxLayout(self)
            self.layout.setContentsMargins(0, 0, 0, 0)
            widget.setLayout(self.layout)

            #   Scroll Area Properties
            scroll = QtWidgets.QScrollArea()
            scroll.setFrameShape(frame)
            scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
            scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
            scroll.setWidgetResizable(True)
            scroll.setWidget(widget)

            #   Scroll Area Layer add
            scroll_layout = QtWidgets.QVBoxLayout(self)
            scroll_layout.addWidget(scroll)
            scroll_layout.setContentsMargins(0, 0, 0, 0)
            self.setLayout(scroll_layout) 

def __init__(self, *args, **kwargs):
        super(TableView, self).__init__(*args, **kwargs)
        self.setAlternatingRowColors(True)

        self.horizontalHeader().setHighlightSections(False)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)

        self.verticalHeader().setVisible(False)
        self.verticalHeader().setHighlightSections(False)
        # self.verticalHeader().setDefaultSectionSize(24)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)

        self.setSelectionBehavior(QTableView.SelectRows)
        self.setSelectionMode(QTableView.SingleSelection)

        self.setEditTriggers(self.NoEditTriggers) 

def __init__(self):
        QGraphicsView.__init__(self)

        # Image is displayed as a QPixmap in a QGraphicsScene attached to this QGraphicsView.
        self.scene = QGraphicsScene()
        self.setScene(self.scene)

        # Store a local handle to the scene's current image pixmap.
        self._pixmapHandle = None

        # Image aspect ratio mode.
        # !!! ONLY applies to full image. Aspect ratio is always ignored when zooming.
        #   Qt.IgnoreAspectRatio: Scale image to fit viewport.
        #   Qt.KeepAspectRatio: Scale image to fit inside viewport, preserving aspect ratio.
        #   Qt.KeepAspectRatioByExpanding: Scale image to fill the viewport, preserving aspect ratio.
        self.aspectRatioMode = Qt.KeepAspectRatio

        # Scroll bar behaviour.
        #   Qt.ScrollBarAlwaysOff: Never shows a scroll bar.
        #   Qt.ScrollBarAlwaysOn: Always shows a scroll bar.
        #   Qt.ScrollBarAsNeeded: Shows a scroll bar only when zoomed.
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAsNeeded)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAsNeeded)

        # Stack of QRectF zoom boxes in scene coordinates.
        self.zoomStack = []

        # Flags for enabling/disabling mouse interaction.
        self.canZoom = True
        self.canPan = True 

def __init__(self, parent=None):
        super(Window, self).__init__(parent)
        self.resize(800, 600)
        # 设置横向纵向滚动条总是显示
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        with open("Data/ScrollBar.qss", "rb") as fp:
            content = fp.read()
            encoding = chardet.detect(content) or {}
            content = content.decode(encoding.get("encoding") or "utf-8")
        self.setText(content)
        # 设置样式
        self.setStyleSheet(content) 

def scroll(self, item):
        if isinstance(item, list):
            item = item if len(item) > 0 else ""
        scroll = QScrollArea()
        scroll.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        scroll.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        scroll.setMaximumHeight(50)
        scroll.setFrameShape(QFrame.NoFrame)
        scroll.setBackgroundRole(3)
        label = QLabel(str(item))
        label.setContentsMargins(5, 5, 5, 5)
        scroll.setWidget(label)
        return scroll 

def __init__(self, parent):
        qw.QScrollArea.__init__(self, parent)
        self.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        self.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOff)
        self.horizontalScrollBar().setEnabled(False)

        # If removed, you will get unused space to the right and bottom.
        self.setWidgetResizable(True)

        # Only allow expanding, not shrinking.
        self.setSizePolicy(qsp(qsp.Minimum, qsp.Minimum)) 

def _set_table_style(self):
        # 开启水平与垂直滚轴
        self.table.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        self.table.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        # 设置 5 行 8 列 的表格
        self.table.setColumnCount(8)
        self.table.setRowCount(5)
        # 设置标准宽度
        self.width = self.screen.width() // 8
        # 设置单元格的宽度
        for i in range(8):
            self.table.setColumnWidth(i, self.width)
        # 设置单元格的高度
        # 设置纵横比为 4 : 3
        for i in range(5):
            self.table.setRowHeight(i, self.width * 4 // 3)
        # 隐藏标题栏
        self.table.verticalHeader().setVisible(False)
        self.table.horizontalHeader().setVisible(False)
        # 禁止编辑
        self.table.setEditTriggers(QAbstractItemView.NoEditTriggers)
        # 不显示网格线
        self.table.setShowGrid(False)
        # 将单元格绑定右键菜单
        # 点击单元格，调用 self.generateMenu 函数
        self.table.setContextMenuPolicy(Qt.CustomContextMenu)
        self.table.customContextMenuRequested.connect(self.generate_menu) 

def _setTableStyle(self):
        # 开启水平与垂直滚轴
        self.table.setVerticalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        self.table.setHorizontalScrollBarPolicy(Qt.ScrollBarAlwaysOn)
        # 设置 5 行 8 列 的表格
        self.table.setColumnCount(8)
        self.table.setRowCount(5)
        # 设置标准宽度
        self.width = self.screen.width()// 8
        # 设置单元格的宽度
        for i in range(8):
            self.table.setColumnWidth(i, self.width)
        # 设置单元格的高度
        # 设置纵横比为 4 : 3
        for i in range(5):
            self.table.setRowHeight(i, self.width * 4 // 3)
        # 隐藏标题栏
        self.table.verticalHeader().setVisible(False)
        self.table.horizontalHeader().setVisible(False)
        # 禁止编辑
        self.table.setEditTriggers(QAbstractItemView.NoEditTriggers)
        # 不显示网格线
        self.table.setShowGrid(False)
        # 将单元格绑定右键菜单
        # 点击单元格，调用 self.generateMenu 函数
        self.table.setContextMenuPolicy(Qt.CustomContextMenu)
        self.table.customContextMenuRequested.connect(self.generateMenu)