PyQt5.QtWidgets模块

CLASSES
    PyQt5.QtCore.QAbstractItemModel(PyQt5.QtCore.QObject)
        QDirModel
        QFileSystemModel

    PyQt5.QtCore.QEvent(sip.wrapper)
        QGestureEvent
        QGraphicsSceneEvent
            QGraphicsSceneContextMenuEvent
            QGraphicsSceneDragDropEvent
            QGraphicsSceneHelpEvent
            QGraphicsSceneHoverEvent
            QGraphicsSceneMouseEvent
            QGraphicsSceneMoveEvent
            QGraphicsSceneResizeEvent
            QGraphicsSceneWheelEvent

    PyQt5.QtCore.QEventTransition(PyQt5.QtCore.QAbstractTransition)
        QKeyEventTransition
        QMouseEventTransition

    PyQt5.QtCore.QObject(sip.wrapper)
        QAbstractItemDelegate
            QItemDelegate
            QStyledItemDelegate
        QAction
            QWidgetAction
        QActionGroup
        QButtonGroup
        QCompleter
        QDataWidgetMapper
        QGesture
            QPanGesture
            QPinchGesture
            QSwipeGesture
            QTapAndHoldGesture
            QTapGesture
        QGraphicsAnchor
        QGraphicsEffect
            QGraphicsBlurEffect
            QGraphicsColorizeEffect
            QGraphicsDropShadowEffect
            QGraphicsOpacityEffect
        QGraphicsObject(PyQt5.QtCore.QObject, QGraphicsItem)
            QGraphicsTextItem
            QGraphicsWidget(QGraphicsObject, QGraphicsLayoutItem)
                QGraphicsProxyWidget
        QGraphicsScene
        QGraphicsTransform
            QGraphicsRotation
            QGraphicsScale

        QLayout(PyQt5.QtCore.QObject, QLayoutItem)
            QBoxLayout
                QHBoxLayout
                QVBoxLayout
            QFormLayout
            QGridLayout
            QStackedLayout
        QScroller
        QShortcut
        QStyle
            QCommonStyle
                QProxyStyle
        QSystemTrayIcon
        QUndoGroup
        QUndoStack

        QWidget(PyQt5.QtCore.QObject, PyQt5.QtGui.QPaintDevice)
            QAbstractButton
                QCheckBox
                QPushButton
                    QCommandLinkButton
                QRadioButton
                QToolButton
            QAbstractSlider
                QDial
                QScrollBar
                QSlider
            QAbstractSpinBox
                QDateTimeEdit
                    QDateEdit
                    QTimeEdit
                QDoubleSpinBox
                QSpinBox
            QCalendarWidget
            QComboBox
                QFontComboBox
            QDesktopWidget
            QDialog
                - QColorDialog
                - QErrorMessage
                - QFileDialog
                - QFontDialog
                - QInputDialog
                - QMessageBox
                - QProgressDialog
                - QWizard
            QDialogButtonBox
            QDockWidget
            QFocusFrame
            QFrame
                QAbstractScrollArea
                    QAbstractItemView
                        QColumnView
                        QHeaderView
                        QListView
                            QListWidget
                            QUndoView
                        QTableView
                            QTableWidget
                        QTreeView
                            QTreeWidget
                    QGraphicsView
                    QMdiArea
                    QPlainTextEdit
                    QScrollArea
                    QTextEdit
                        QTextBrowser
                QLCDNumber
                QLabel
                QSplitter
                QStackedWidget
                QToolBox
            QGroupBox
            QKeySequenceEdit
            QLineEdit
            QMainWindow
            QMdiSubWindow
            QMenu
            QMenuBar
            QOpenGLWidget
            QProgressBar
            QRubberBand
            QSizeGrip
            QSplashScreen
            QSplitterHandle
            QStatusBar
            QTabBar
            QTabWidget
            QToolBar
            QWizardPage

    PyQt5.QtGui.QAbstractTextDocumentLayout(PyQt5.QtCore.QObject)
        QPlainTextDocumentLayout

    PyQt5.QtGui.QGuiApplication(PyQt5.QtCore.QCoreApplication)
        QApplication                应用

    PyQt5.QtGui.QPaintDevice(sip.simplewrapper)
        QWidget(PyQt5.QtCore.QObject, PyQt5.QtGui.QPaintDevice)
            QAbstractButton
                QCheckBox          多选框
                QPushButton        按钮
                    QCommandLinkButton
                QRadioButton      单选按钮
                QToolButton        工具条按钮
            QAbstractSlider
                QDial
                QScrollBar          滚动条
                QSlider
            QAbstractSpinBox
                QDateTimeEdit
                    QDateEdit
                    QTimeEdit
                QDoubleSpinBox
                QSpinBox
            QCalendarWidget
            QComboBox
                QFontComboBox
            QDesktopWidget
            QDialog
                - QColorDialog
                - QErrorMessage
                - QFileDialog
                - QFontDialog
                - QInputDialog
                - QMessageBox
                - QProgressDialog
                - QWizard
            QDialogButtonBox
            QDockWidget
            QFocusFrame
            QFrame
                QAbstractScrollArea
                    QAbstractItemView
                        QColumnView
                        QHeaderView
                        QListView
                            QListWidget
                            QUndoView
                        QTableView
                            QTableWidget
                        QTreeView
                            QTreeWidget
                    QGraphicsView
                    QMdiArea
                    QPlainTextEdit
                    QScrollArea
                    QTextEdit
                        QTextBrowser
                QLCDNumber
                QLabel
                QSplitter
                QStackedWidget
                QToolBox
            QGroupBox
            QKeySequenceEdit
            QLineEdit
            QMainWindow
            QMdiSubWindow
            QMenu
            QMenuBar
            QOpenGLWidget
            QProgressBar
            QRubberBand
            QSizeGrip
            QSplashScreen
            QSplitterHandle
            QStatusBar
            QTabBar
            QTabWidget
            QToolBar
            QWizardPage

    PyQt5.QtGui.QPainter(sip.simplewrapper)
        QStylePainter

    sip.simplewrapper(builtins.object)
        QFileIconProvider
        QScrollerProperties
        QSizePolicy
        QStyleFactory
        QStyleHintReturn
            QStyleHintReturnMask
            QStyleHintReturnVariant
        QStyleOption
            QStyleOptionButton
            QStyleOptionComplex
                QStyleOptionComboBox
                QStyleOptionGroupBox
                QStyleOptionSizeGrip
                QStyleOptionSlider
                QStyleOptionSpinBox
                QStyleOptionTitleBar
                QStyleOptionToolButton
            QStyleOptionDockWidget
            QStyleOptionFocusRect
            QStyleOptionFrame
            QStyleOptionGraphicsItem
            QStyleOptionHeader
            QStyleOptionMenuItem
            QStyleOptionProgressBar
            QStyleOptionRubberBand
            QStyleOptionTab
            QStyleOptionTabBarBase
            QStyleOptionTabWidgetFrame
            QStyleOptionToolBar
            QStyleOptionToolBox
            QStyleOptionViewItem
        QTableWidgetSelectionRange
        QToolTip
        QTreeWidgetItemIterator
        QWhatsThis
    sip.wrapper(sip.simplewrapper)
        QGestureRecognizer
        QGraphicsItem
            QAbstractGraphicsShapeItem
                QGraphicsEllipseItem
                QGraphicsPathItem
                QGraphicsPolygonItem
                QGraphicsRectItem
                QGraphicsSimpleTextItem
            QGraphicsItemGroup
            QGraphicsLineItem
            QGraphicsObject(PyQt5.QtCore.QObject, QGraphicsItem)
                QGraphicsTextItem
                QGraphicsWidget(QGraphicsObject, QGraphicsLayoutItem)
                    QGraphicsProxyWidget
            QGraphicsPixmapItem
        QGraphicsLayoutItem
            QGraphicsLayout
                QGraphicsAnchorLayout
                QGraphicsGridLayout
                QGraphicsLinearLayout
        QItemEditorCreatorBase
        QItemEditorFactory

        QLayoutItem
            QLayout(PyQt5.QtCore.QObject, QLayoutItem)
                QBoxLayout
                    QHBoxLayout
                    QVBoxLayout
                QFormLayout
                QGridLayout
                QStackedLayout
            QSpacerItem
            QWidgetItem
        QListWidgetItem
        QTableWidgetItem
        QTreeWidgetItem
        QUndoCommand