Widget类

下面章节介绍widget类. 示例参见 Qt Widget Gallery.

基础Widget类

这些基础widgets(控件)类, 如. 按钮, 下拉列表框和滚动条, 可以直接使用.

QWidget	所有UI对象的基类
QCheckBox	带有文本标签的复选框
QComboBox	下列列表框
QCommandLinkButton	Vista风格的命令链接按钮
QDateEdit	基于QDateTimeEdit的日期编辑widget
QDateTimeEdit	日期时间编辑widget
QTimeEdit	基于QDateTimeEdit的时间编辑widget
QDial	圆形范围控件 (类似速度仪或电位器)
QFocusFrame	位于正常绘制区域之外的焦点框
QFontComboBox	字体下拉列表框
QLabel	显示文本或图片
QLCDNumber	显示类似LCD数字界面
QLineEdit	单行文本编辑器
QMenu	菜单widget
QProgressBar	水平或垂直进度条
QPushButton	命令按钮
QRadioButton	带文本标签的单选按钮
QScrollArea	依附其他widget的滚动区域
QScrollBar	垂直或水平滚动条
QSizeGrip	顶级窗口的大小调节控件
QSlider	垂直或水平滑块
QDoubleSpinBox	浮点型数字调节框
QSpinBox	数字调节框
QTabBar	标签栏, 例如. 用于标签对话框
QTabWidget	标签页
QToolBox	列表式标签页
QToolButton	命令或选项类的快捷访问按钮, 通常用于工具条

高级Widget类

高级GUI widgets, 如. 标签页和进度条, 提供复杂的UI控制.

QColumnView	实现模型/视图框架中的列表视图
QDataWidgetMapper	部分数据模型到widgets的映射
QListView	基于模型的列表或图标视图
QTableView	实现模型/视图框架中的默认表格视图
QTreeView	实现模型/视图框架中的默认树形视图
QDesktopWidget	在multi-head系统中访问屏幕信息
QUndoView	显示QUndoStack的内容
QCalendarWidget	以月为单位的日历widget, 允许用户选择日期
QMacCocoaViewContainer	承载macOS的Cocoa视图的Widget (即., NSView 派生类), 使其纳入Qt管理体系
QMacNativeWidget	辅助Qt widgets加入macOS的Cocoa体系的widget

抽象 Widget 类

抽象widget是一组基类. 它们不能直接使用, 必须提供子类化实现.

QDialog	对话框的基类
QAbstractButton	按钮widgets的抽象基类, 提供按钮类的公共函数
QAbstractScrollArea	带滚动条的滚动区域
QAbstractSlider	整型范围
QAbstractSpinBox	单行编辑的数字调节框
QFrame	带边框的widgets基类

组织Widget类

这种类包含分隔器, 标签栏, 按钮组等, 用于管理和分组GUI基础widget, 组成更复杂的应用程序和对话框.

QButtonGroup	将按钮widgets分组的容器
QGroupBox	带有标题的分组框
QSplitter	实现分隔功能的widget
QSplitterHandle	分隔器的辅助类
QStackedWidget	每次仅显示一个widget的层叠widget
QTabWidget	标签页

图像视图类

QGraphicsEffect	The base class for all graphics effects
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
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
QStyleOptionGraphicsItem	Used to describe the parameters needed to draw a QGraphicsItem
QGraphicsSvgItem	QGraphicsItem that can be used to render the contents of SVG files

模型/视图类

QAbstractItemModel	The abstract interface for item model classes
QAbstractListModel	Abstract model that can be subclassed to create one-dimensional list models
QAbstractTableModel	Abstract model that can be subclassed to create table models
QModelIndex	Used to locate data in a data model
QPersistentModelIndex	Used to locate data in a data model
QAbstractProxyModel	Base class for proxy item models that can do sorting, filtering or other data processing tasks
QIdentityProxyModel	Proxies its source model unmodified
QItemSelection	Manages information about selected items in a model
QItemSelectionModel	Keeps track of a view's selected items
QItemSelectionRange	Manages information about a range of selected items in a model
QSortFilterProxyModel	Support for sorting and filtering data passed between another model and a view
QStringListModel	Model that supplies strings to views
QStandardItem	Item for use with the QStandardItemModel class
QStandardItemModel	Generic model for storing custom data
QFileSystemModel	Data model for the local filesystem
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
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

主窗口及相关类

QAction	Abstract user interface action that can be inserted into widgets
QActionGroup	Groups actions together
QWidgetAction	Extends QAction by an interface for inserting custom widgets into action based containers, such as toolbars
QDockWidget	Widget that can be docked inside a QMainWindow or floated as a top-level window on the desktop
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
QSizeGrip	Resize handle for resizing top-level windows
QStatusBar	Horizontal bar suitable for presenting status information
QToolBar	Movable panel that contains a set of controls

Widget外观及相关类

Classes used for customizing UI appearance and style.

QCursor	Mouse cursor with an arbitrary shape
QPalette	Contains color groups for each widget state
QColor	Colors based on RGB, HSV or CMYK values
QFont	Specifies a font used for drawing text
QFontDatabase	Information about the fonts available in the underlying window system
QFontInfo	General information about fonts
QGraphicsAnchor	Represents an anchor between two items in a QGraphicsAnchorLayout
QGraphicsAnchorLayout	Layout where one can anchor widgets together in Graphics View
QCommonStyle	Encapsulates the common Look and Feel of a GUI
QStyle	Abstract base class that encapsulates the look and feel of a GUI
QStyleFactory	创建QStyle对象
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	QStyle函数用于存储参数
QStylePainter	在widget中绘制QStyle元素的便捷类

布局类

QGraphicsAnchor	代表QGraphicsAnchorLayout中两个item间的一个anchor
QGraphicsAnchorLayout	图形视图框架中的anchor widgets布局
QBoxLayout	线性水平或垂直布局
QHBoxLayout	线性水平布局
QVBoxLayout	线性垂直布局
QFormLayout	输入widgets和关联标签的表格布局
QGridLayout	网格布局
QLayout	管理geometry的基类
QLayoutItem	一个QLayout操控的抽象item
QSpacerItem	布局中的空白空间
QWidgetItem	表示widget的布局item
QSizePolicy	描述水平或垂直大小调整策略的布局属性
QStackedLayout	每次仅显示一个widget的层叠布局
QButtonGroup	将按钮widgets分组的容器
QGroupBox	带有标题的分组框
QStackedWidget	每次仅显示一个widget的层叠widget

目录