Qt Widgets C++ Classes

The Qt Widgets module extends Qt GUI with C++ widget functionality. More...

Classes

QAccessibleWidget	为QWidgets实现QAccessibleInterface
QColorDialog	用于指定颜色的对话框小部件
QDialog	对话框窗口的基类
QErrorMessage	错误信息显示对话框
QFileDialog	允许用户选择文件或目录的对话框
QFileSystemModel	本地文件系统的数据模型
QFontDialog	用于选择字体的对话框小部件
QInputDialog	简单的便捷对话框，可从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
QProgressDialog	Feedback on the progress of a slow operation
QWizard	向导框架
QWizardPage	向导页面的基类
QGraphicsBlurEffect	模糊效果
QGraphicsColorizeEffect	着色效果
QGraphicsDropShadowEffect	投影效果
QGraphicsEffect	所有图形效果的基类
QGraphicsOpacityEffect	不透明度效应
QGraphicsAnchor	表示QGraphicsAnchorLayout中两个项目之间的锚点
QGraphicsAnchorLayout	可以在“图形视图”中将widgets固定在一起的布局
QGraphicsGridLayout	用于在“图形视图”中管理widgets的网格布局
QAbstractGraphicsShapeItem	所有路径项目的共同基础
QGraphicsEllipseItem	可以添加到QGraphicsScene的椭圆项
QGraphicsItem	QGraphicsScene中所有图形项的基类
QGraphicsItemGroup	将一组项目视为单个项目的容器
QGraphicsLineItem	您可以添加到QGraphicsScene的订单项
QGraphicsObject	需要信号，插槽和属性的所有图形项的基类
QGraphicsPathItem	可以添加到QGraphicsScene的路径项
QGraphicsPixmapItem	可以添加到QGraphicsScene的Pixmap项
QGraphicsPolygonItem	可以添加到QGraphicsScene的多边形项目
QGraphicsRectItem	可以添加到QGraphicsScene的矩形项目
QGraphicsSimpleTextItem	您可以添加到QGraphicsScene的简单文本路径项
QGraphicsTextItem	可以添加到QGraphicsScene以显示格式化文本的文本项
QGraphicsLayout	图形视图中所有布局的基类
QGraphicsLayoutItem	可以继承以允许您的自定义项目由布局管理
QGraphicsLinearLayout	用于在“图形视图”中管理小部件的水平或垂直布局
QGraphicsProxyWidget	用于将QWidget嵌入QGraphicsScene的代理层
QGraphicsScene	用于管理大量2D图形项目的表面
QGraphicsSceneContextMenuEvent	图形视图框架中的上下文菜单事件
QGraphicsSceneDragDropEvent	图形视图框架中的拖放事件
QGraphicsSceneEvent	所有图形视图相关事件的基类
QGraphicsSceneHelpEvent	请求工具提示时的事件
QGraphicsSceneHoverEvent	在图形视图框架中悬停事件
QGraphicsSceneMouseEvent	图形视图框架中的鼠标事件
QGraphicsSceneMoveEvent	图形视图框架中的小部件移动事件
QGraphicsSceneResizeEvent	在图形视图框架中调整窗口小部件大小的事件
QGraphicsSceneWheelEvent	图形视图框架中的Wheel事件
QGraphicsRotation	围绕给定轴的旋转变换
QGraphicsScale	规模转换
QGraphicsTransform	在QGraphicsItems上构建高级转换的抽象基类
QGraphicsView	用于显示QGraphicsScene内容的小部件
QGraphicsWidget	QGraphicsScene中所有小部件项目的基类
QAbstractItemDelegate	用于显示和编辑模型中的数据项
QAbstractItemView	项目视图类的基本功能
QColumnView	列视图的模型/视图实现
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	Lines up child widgets horizontally or vertically
QHBoxLayout	Lines up widgets horizontally
QVBoxLayout	Lines up widgets vertically
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	Lays out widgets in a grid
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	The base class of all user interface objects
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	Checkbox with a text label
QComboBox	Combined button and popup list
QCommandLinkButton	Vista style command link button
QDateEdit	Widget for editing dates based on the QDateTimeEdit widget
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	Text or image display
QLCDNumber	Displays a number with LCD-like digits
QLineEdit	One-line text editor
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	Menu widget for use in menu bars, context menus, and other popup menus
QMenuBar	Horizontal menu bar
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	Command button
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	Vertical or horizontal slider
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	Horizontal bar suitable for presenting status information
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	Widget that is used to edit and display both plain and rich text
QToolBar	Movable panel that contains a set of controls
QToolBox	Column of tabbed widget items
QToolButton	Quick-access button to commands or options, usually used inside a QToolBar

Detailed Description

To include the definitions of the module's classes, use the following directive:


  #include <QtWidgets>

To link against the module, add this line to your qmake .pro file:


  QT += widgets

Contents

Qt Widgets C++ Classes

Classes

Detailed Description