文档声明：
以下资料均属于本人在学习过程中产出的学习笔记，如果错误或者遗漏之处，请多多指正。并且该文档在后期会随着学习的深入不断补充完善。感谢各位的参考查看。
笔记资料仅供学习交流使用，转载请标明出处，谢谢配合。
作者：Aliven888
1、简述
参考文档版本：Qt 5.9.6
Qt Widgets C++ Classes
以下为本人在学习Qt时，为了进一步了解Qt中有哪些工具类，以便于后面的开发参考查询进行的总结。
| 类名 | 功能描述 |
|---|---|
| QAccessibleWidget | 为QWidget实现QAccessible接口 |
| QColorDialog | 颜色操作对话框 |
| QDialog | 对话框基类 |
| QErrorMessage | 错误信息显示对话框 |
| QFileDialog | 文件操作对话框 |
| QFileSystemModel | 本地文件系统的数据模型 |
| QFontDialog | 字体选择对话框 |
| QInputDialog | 简单的便捷输入对话框，用于用户那里获得一个值 |
| QMessageBox | 模态对话框，用于通知用户或询问用户问题并接收答案（消息弹框就是使用该实现的） |
| QProgressDialog | 进度显示对话框，主要用于显示任务的处理进度 |
| QWizard | 向导框架（可是实现软件的安装向导功能） |
| QWizardPage | 向导页面的基类（向导是有多个页面的，完成向导功能需要该类配合） |
| QGraphicsBlurEffect | Blur effect |
| QGraphicsColorizeEffect | Colorize effect |
| QGraphicsDropShadowEffect | Drop shadow effect |
| QGraphicsEffect | The base class for all graphics effects |
| QGraphicsOpacityEffect | Opacity effect |
| QGraphicsAnchor | Represents an anchor between two items in a QGraphicsAnchorLayout |
| QGraphicsAnchorLayout | Layout where one can anchor widgets together in Graphics View |
| QGraphicsGridLayout | Grid layout for managing widgets in Graphics View |
| QAbstractGraphicsShapeItem | Common base for all path items |
| QGraphicsEllipseItem | Ellipse item that you can add to a QGraphicsScene |
| QGraphicsItem | The base class for all graphical items in a QGraphicsScene |
| QGraphicsItemGroup | Container that treats a group of items as a single item |
| QGraphicsLineItem | Line item that you can add to a QGraphicsScene |
| QGraphicsObject | Base class for all graphics items that require signals, slots and properties |
| QGraphicsPathItem | Path item that you can add to a QGraphicsScene |
| QGraphicsPixmapItem | Pixmap item that you can add to a QGraphicsScene |
| QGraphicsPolygonItem | Polygon item that you can add to a QGraphicsScene |
| QGraphicsRectItem | Rectangle item that you can add to a QGraphicsScene |
| QGraphicsSimpleTextItem | Simple text path item that you can add to a QGraphicsScene |
| QGraphicsTextItem | Text item that you can add to a QGraphicsScene to display formatted text |
| QGraphicsLayout | The base class for all layouts in Graphics View |
| QGraphicsLayoutItem | Can be inherited to allow your custom items to be managed by layouts |
| QGraphicsLinearLayout | Horizontal or vertical layout for managing widgets in Graphics View |
| QGraphicsProxyWidget | Proxy layer for embedding a QWidget in a QGraphicsScene |
| QGraphicsScene | Surface for managing a large number of 2D graphical items |
| QGraphicsSceneContextMenuEvent | Context menu events in the graphics view framework |
| QGraphicsSceneDragDropEvent | Events for drag and drop in the graphics view framework |
| QGraphicsSceneEvent | Base class for all graphics view related events |
| QGraphicsSceneHelpEvent | Events when a tooltip is requested |
| QGraphicsSceneHoverEvent | Hover events in the graphics view framework |
| QGraphicsSceneMouseEvent | Mouse events in the graphics view framework |
| QGraphicsSceneMoveEvent | Events for widget moving in the graphics view framework |
| QGraphicsSceneResizeEvent | Events for widget resizing in the graphics view framework |
| QGraphicsSceneWheelEvent | Wheel events in the graphics view framework |
| QGraphicsRotation | Rotation transformation around a given axis |
| QGraphicsScale | Scale transformation |
| QGraphicsTransform | Abstract base class for building advanced transformations on QGraphicsItems |
| QGraphicsView | Widget for displaying the contents of a QGraphicsScene |
| QGraphicsWidget | The base class for all widget items in a QGraphicsScene |
| QAbstractItemDelegate | Used to display and edit data items from a model |
| QAbstractItemView | The basic functionality for item view classes |
| QColumnView | Model/view implementation of a column view |
| QDataWidgetMapper | Mapping between a section of a data model to widgets |
| QFileIconProvider | File icons for the QDirModel and the QFileSystemModel classes |
| QHeaderView | Header row or header column for item views |
| QItemDelegate | Display and editing facilities for data items from a model |
| QItemEditorCreator | Makes it possible to create item editor creator bases without subclassing QItemEditorCreatorBase |
| QItemEditorCreatorBase | Abstract base class that must be subclassed when implementing new item editor creators |
| QItemEditorFactory | Widgets for editing item data in views and delegates |
| QStandardItemEditorCreator | The possibility to register widgets without having to subclass QItemEditorCreatorBase |
| QListView | List or icon view onto a model |
| QListWidget | Item-based list widget |
| QListWidgetItem | Item for use with the QListWidget item view class |
| QStyledItemDelegate | Display and editing facilities for data items from a model |
| QTableView | Default model/view implementation of a table view |
| QTableWidget | Item-based table view with a default model |
| QTableWidgetItem | Item for use with the QTableWidget class |
| QTableWidgetSelectionRange | Way to interact with selection in a model without using model indexes and a selection model |
| QTreeView | Default model/view implementation of a tree view |
| QTreeWidget | Tree view that uses a predefined tree model |
| QTreeWidgetItem | Item for use with the QTreeWidget convenience class |
| QTreeWidgetItemIterator | Way to iterate over the items in a QTreeWidget instance |
| QAction | Abstract user interface action that can be inserted into widgets |
| QActionGroup | Groups actions together |
| QApplication | Manages the GUI application’s control flow and main settings |
| QBoxLayout | 水平或垂直布局类 |
| QHBoxLayout | 水平布局类 |
| QVBoxLayout | 垂直布局类 |
| QDesktopWidget | Access to screen information on multi-head systems |
| QFormLayout | Manages forms of input widgets and their associated labels |
| QFormLayout::TakeRowResult | Contains the result of a QFormLayout::takeRow() call |
| QGesture | Represents a gesture, containing properties that describe the corresponding user input |
| QGestureEvent | The description of triggered gestures |
| QPanGesture | Describes a panning gesture made by the user |
| QPinchGesture | Describes a pinch gesture made by the user |
| QSwipeGesture | Describes a swipe gesture made by the user |
| QTapAndHoldGesture | Describes a tap-and-hold (aka LongTap) gesture made by the user |
| QTapGesture | Describes a tap gesture made by the user |
| QGestureRecognizer | The infrastructure for gesture recognition |
| QGridLayout | 网格布局工具类 |
| QLayout | The base class of geometry managers |
| QLayoutItem | Abstract item that a QLayout manipulates |
| QSpacerItem | Blank space in a layout |
| QWidgetItem | Layout item that represents a widget |
| QOpenGLWidget | Widget for rendering OpenGL graphics |
| QShortcut | Used to create keyboard shortcuts |
| QSizePolicy | Layout attribute describing horizontal and vertical resizing policy |
| QStackedLayout | Stack of widgets where only one widget is visible at a time |
| QToolTip | Tool tips (balloon help) for any widget |
| QWhatsThis | Simple description of any widget, i.e. answering the question “What’s This?” |
| QWidget | 所有用户界面对象的基类 |
| QWidgetAction | Extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars |
| QKeyEventTransition | Transition for key events |
| QMouseEventTransition | Transition for mouse events |
| QCommonStyle | Encapsulates the common Look and Feel of a GUI |
| QTileRules | The rules used to draw a pixmap or image split into nine segments |
| QProxyStyle | Convenience class that simplifies dynamically overriding QStyle elements |
| QStyle | Abstract base class that encapsulates the look and feel of a GUI |
| QStyleFactory | Creates QStyle objects |
| QStyleHintReturn | Style hints that return more than basic data types |
| QStyleHintReturnMask | Style hints that return a QRegion |
| QStyleHintReturnVariant | Style hints that return a QVariant |
| QStyleOption | Stores the parameters used by QStyle functions |
| QStyleOptionButton | Used to describe the parameters for drawing buttons |
| QStyleOptionComboBox | Used to describe the parameter for drawing a combobox |
| QStyleOptionComplex | Used to hold parameters that are common to all complex controls |
| QStyleOptionDockWidget | Used to describe the parameters for drawing a dock widget |
| QStyleOptionFocusRect | Used to describe the parameters for drawing a focus rectangle with QStyle |
| QStyleOptionFrame | Used to describe the parameters for drawing a frame |
| QStyleOptionGraphicsItem | Used to describe the parameters needed to draw a QGraphicsItem |
| QStyleOptionGroupBox | Describes the parameters for drawing a group box |
| QStyleOptionHeader | Used to describe the parameters for drawing a header |
| QStyleOptionMenuItem | Used to describe the parameter necessary for drawing a menu item |
| QStyleOptionProgressBar | Used to describe the parameters necessary for drawing a progress bar |
| QStyleOptionRubberBand | Used to describe the parameters needed for drawing a rubber band |
| QStyleOptionSizeGrip | Used to describe the parameter for drawing a size grip |
| QStyleOptionSlider | Used to describe the parameters needed for drawing a slider |
| QStyleOptionSpinBox | Used to describe the parameters necessary for drawing a spin box |
| QStyleOptionTab | Used to describe the parameters for drawing a tab bar |
| QStyleOptionTabBarBase | Used to describe the base of a tab bar, i.e. the part that the tab bar usually overlaps with |
| QStyleOptionTabWidgetFrame | Used to describe the parameters for drawing the frame around a tab widget |
| QStyleOptionTitleBar | Used to describe the parameters for drawing a title bar |
| QStyleOptionToolBar | Used to describe the parameters for drawing a toolbar |
| QStyleOptionToolBox | Used to describe the parameters needed for drawing a tool box |
| QStyleOptionToolButton | Used to describe the parameters for drawing a tool button |
| QStyleOptionViewItem | Used to describe the parameters used to draw an item in a view widget |
| QStylePainter | Convenience class for drawing QStyle elements inside a widget |
| QStylePlugin | Abstract base for custom QStyle plugins |
| QColormap | Maps device independent QColors to device dependent pixel values |
| QCompleter | Completions based on an item model |
| QScroller | Enables kinetic scrolling for any scrolling widget or graphics item |
| QScrollerProperties | Stores the settings for a QScroller |
| QSystemTrayIcon | Icon for an application in the system tray |
| QUndoGroup | Group of QUndoStack objects |
| QUndoCommand | The base class of all commands stored on a QUndoStack |
| QUndoStack | Stack of QUndoCommand objects |
| QUndoView | Displays the contents of a QUndoStack |
| QAbstractButton | The abstract base class of button widgets, providing functionality common to buttons |
| QAbstractScrollArea | Scrolling area with on-demand scroll bars |
| QAbstractSlider | Integer value within a range |
| QAbstractSpinBox | Spinbox and a line edit to display values |
| QButtonGroup | Container to organize groups of button widgets |
| QCalendarWidget | Monthly based calendar widget allowing the user to select a date |
| QCheckBox | 带有文本标签的复选框 |
| QComboBox | 下拉列表框 |
| QCommandLinkButton | Vista style command link button |
| QDateEdit | 日期编辑（日历控件） |
| QDateTimeEdit | Widget for editing dates and times |
| QTimeEdit | Widget for editing times based on the QDateTimeEdit widget |
| QDial | Rounded range control (like a speedometer or potentiometer) |
| QDialogButtonBox | Widget that presents buttons in a layout that is appropriate to the current widget style |
| QDockWidget | Widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop |
| QFocusFrame | Focus frame which can be outside of a widget’s normal paintable area |
| QFontComboBox | Combobox that lets the user select a font family |
| QFrame | The base class of widgets that can have a frame |
| QGroupBox | Group box frame with a title |
| QKeySequenceEdit | Allows to input a QKeySequence |
| QLabel | 静态文本框（可以显示文本 或者 图片） |
| QLCDNumber | 显示带有类似LCD的数字的数字 |
| QLineEdit | 单行文本编辑框 |
| QMacCocoaViewContainer | Widget for macOS that can be used to wrap arbitrary Cocoa views (i.e., NSView subclasses) and insert them into Qt hierarchies |
| QMacNativeWidget | Widget for macOS that provides a way to put Qt widgets into Cocoa hierarchies |
| QMainWindow | Main application window |
| QMdiArea | Area in which MDI windows are displayed |
| QMdiSubWindow | Subwindow class for QMdiArea |
| QMenu | 菜单，用于菜单栏，上下文菜单和其他弹出菜单 |
| QMenuBar | 菜单栏， 用于将QMenu的对象显示子目标位置 |
| QPlainTextDocumentLayout | Implements a plain text layout for QTextDocument |
| QPlainTextEdit | Widget that is used to edit and display plain text |
| QProgressBar | Horizontal or vertical progress bar |
| QPushButton | 按钮类，用于定义可点击按钮对象 |
| QRadioButton | Radio button with a text label |
| QRubberBand | Rectangle or line that can indicate a selection or a boundary |
| QScrollArea | Scrolling view onto another widget |
| QScrollBar | Vertical or horizontal scroll bar |
| QSizeGrip | Resize handle for resizing top-level windows |
| QSlider | 垂直或水平滑块 |
| QDoubleSpinBox | Spin box widget that takes doubles |
| QSpinBox | Spin box widget |
| QSplashScreen | Splash screen that can be shown during application startup |
| QSplitter | Implements a splitter widget |
| QSplitterHandle | Handle functionality for the splitter |
| QStackedWidget | Stack of widgets where only one widget is visible at a time |
| QStatusBar | 状态栏（用于显示状态信息） |
| QTabBar | Tab bar, e.g. for use in tabbed dialogs |
| QTabWidget | Stack of tabbed widgets |
| QTextBrowser | Rich text browser with hypertext navigation |
| QTextEdit::ExtraSelection | QTextEdit::ExtraSelection structure provides a way of specifying a character format for a given selection in a document |
| QTextEdit | 用于编辑和显示纯文本和富文本的小部件 |
| QToolBar | 工具栏 |
| QToolBox | Column of tabbed widget items |
| QToolButton | Quick-access button to commands or options, usually used inside a QToolBar |
2、笔记跟新记录
| 时间 | 内容 |
|---|---|
| 2020-10-05 | 创建笔记 |