（33）记录描述窗体组件属性的枚举量 enum Qt :: WidgetAttribute， 简记为 WA_

（1）

    //这个枚举类型用于指定各种小部件属性。属性通过`OWidget:setAttribute()、进行设置和清除，//并通过Widget::testAttribute()、进行查询，尽管有些属性有专门的便捷函数，下文将予以说明。enum WidgetAttribute {WA_Disabled = 0,WA_UnderMouse = 1,WA_MouseTracking = 2,// Formerly, 3 was WA_ContentsPropagated.WA_OpaquePaintEvent = 4,WA_StaticContents = 5,WA_LaidOut = 7,WA_PaintOnScreen = 8,WA_NoSystemBackground = 9,WA_UpdatesDisabled = 10,WA_Mapped = 11,// Formerly, 12 was WA_MacNoClickThrough.WA_InputMethodEnabled = 14,WA_WState_Visible = 15,WA_WState_Hidden = 16,WA_ForceDisabled = 32,WA_KeyCompression = 33,WA_PendingMoveEvent          = 34,WA_PendingResizeEvent        = 35,WA_SetPalette                = 36,WA_SetFont                   = 37,WA_SetCursor                 = 38,WA_NoChildEventsFromChildren = 39,WA_WindowModified = 41,WA_Resized = 42,WA_Moved = 43,WA_PendingUpdate = 44,WA_InvalidSize = 45,// Formerly 46 was WA_MacBrushedMetal and WA_MacMetalStyle.WA_CustomWhatsThis = 47,WA_LayoutOnEntireRect = 48,WA_OutsideWSRange = 49,WA_GrabbedShortcut = 50,WA_TransparentForMouseEvents = 51,WA_PaintUnclipped = 52,WA_SetWindowIcon = 53,WA_NoMouseReplay = 54,WA_DeleteOnClose = 55,WA_RightToLeft = 56,WA_SetLayoutDirection = 57,WA_NoChildEventsForParent = 58,WA_ForceUpdatesDisabled = 59,WA_WState_Created = 60,WA_WState_CompressKeys = 61,WA_WState_InPaintEvent = 62,WA_WState_Reparented = 63,WA_WState_ConfigPending = 64,WA_WState_Polished = 66,// Formerly, 67 was WA_WState_DND.WA_WState_OwnSizePolicy = 68,WA_WState_ExplicitShowHide = 69,WA_ShowModal   = 70, // ## deprecated since since 4.5.1 but still in use :-(WA_MouseNoMask = 71,WA_NoMousePropagation = 73, // for now, might go away.WA_Hover       = 74, //强制Qt在鼠标进入或离开该小部件时生成绘制事件。//这一特性通常在实现自定义样式时使用;有关详情，请参阅“样式”示例。WA_InputMethodTransparent = 75, // Don't reset IM when user clicks on this (for virtual keyboards on embedded)WA_QuitOnClose = 76,WA_KeyboardFocusChange = 77,WA_AcceptDrops = 78,WA_DropSiteRegistered = 79, // internalWA_WindowPropagation = 80,WA_NoX11EventCompression = 81,WA_TintedBackground = 82,WA_X11OpenGLOverlay = 83,WA_AlwaysShowToolTips = 84,WA_MacOpaqueSizeGrip = 85,WA_SetStyle = 86,WA_SetLocale = 87,WA_MacShowFocusRect = 88,WA_MacNormalSize = 89,  // Mac onlyWA_MacSmallSize = 90,   // Mac onlyWA_MacMiniSize = 91,    // Mac onlyWA_LayoutUsesWidgetRect = 92,WA_StyledBackground = 93, // internal// Formerly, 94 was WA_MSWindowsUseDirect3D.WA_CanHostQMdiSubWindowTitleBar = 95, // InternalWA_MacAlwaysShowToolWindow = 96, // Mac onlyWA_StyleSheet = 97, // internalWA_ShowWithoutActivating = 98,WA_X11BypassTransientForHint = 99,WA_NativeWindow = 100,WA_DontCreateNativeAncestors = 101,// Formerly WA_MacVariableSize = 102,    // Mac onlyWA_DontShowOnScreen = 103,// window types from http://standards.freedesktop.org/wm-spec/WA_X11NetWmWindowTypeDesktop = 104,WA_X11NetWmWindowTypeDock = 105,WA_X11NetWmWindowTypeToolBar = 106,WA_X11NetWmWindowTypeMenu = 107,WA_X11NetWmWindowTypeUtility = 108,WA_X11NetWmWindowTypeSplash = 109,WA_X11NetWmWindowTypeDialog = 110,WA_X11NetWmWindowTypeDropDownMenu = 111,WA_X11NetWmWindowTypePopupMenu = 112,WA_X11NetWmWindowTypeToolTip = 113,WA_X11NetWmWindowTypeNotification = 114,WA_X11NetWmWindowTypeCombo = 115,WA_X11NetWmWindowTypeDND = 116,// Formerly, 117 was WA_MacFrameworkScaled.WA_SetWindowModality = 118,WA_WState_WindowOpacitySet = 119, // internalWA_TranslucentBackground = 120,WA_AcceptTouchEvents = 121,WA_WState_AcceptedTouchBeginEvent = 122,WA_TouchPadAcceptSingleTouchEvents = 123,WA_X11DoNotAcceptFocus = 126,// Formerly, 127 was WA_MacNoShadowWA_AlwaysStackOnTop = 128,WA_TabletTracking = 129,WA_ContentsMarginsRespectsSafeArea = 130,WA_StyleSheetTarget = 131,// Add new attributes before this lineWA_AttributeCount};

（2）对该枚举属性的使用在这里的俩成员函数 ：

（3）

谢谢