The Qt GUI module provides the basic enablers for graphical applications written with Qt. More...
These Qt Core classes are used to create and handle events.
For more information see the Event System page.
QAbstractEventDispatcher
Interface to manage Qt's event queue
QActionEvent
Event that is generated when a QAction is added, removed, or changed
QBasicTimer
Timer events for objects
QChildEvent
Contains event parameters for child object events
QCloseEvent
Contains parameters that describe a close event
QContextMenuEvent
Contains parameters that describe a context menu event
QDragEnterEvent
Event which is sent to a widget when a drag and drop action enters it
QDragLeaveEvent
Event that is sent to a widget when a drag and drop action leaves it
QDragMoveEvent
Event which is sent while a drag and drop action is in progress
QDropEvent
Event which is sent when a drag and drop action is completed
QDynamicPropertyChangeEvent
Contains event parameters for dynamic property change events
QEnterEvent
Contains parameters that describe an enter event
QEvent
The base class of all event classes. Event objects contain event parameters
QExposeEvent
Contains event parameters for expose events
QFileOpenEvent
Event that will be sent when there is a request to open a file or a URL
QFocusEvent
Contains event parameters for widget focus events
QGestureEvent
The description of triggered gestures
QHelpEvent
Event that is used to request helpful information about a particular point in a widget
QHideEvent
Event which is sent after a widget is hidden
QHoverEvent
Contains parameters that describe a mouse event
QIconDragEvent
Indicates that a main icon drag has begun
QInputEvent
The base class for events that describe user input
QInputMethodEvent
Parameters for input method events
QKeyEvent
Describes a key event
QMouseEvent
Contains parameters that describe a mouse event
QMoveEvent
Contains event parameters for move events
QNativeGestureEvent
Contains parameters that describe a gesture event
QPaintEvent
Contains event parameters for paint events
QResizeEvent
Contains event parameters for resize events
QScrollEvent
Sent when scrolling
QScrollPrepareEvent
Sent in preparation of scrolling
QShortcut
Used to create keyboard shortcuts
QShortcutEvent
Event which is generated when the user presses a key combination
QShowEvent
Event that is sent when a widget is shown
QStatusTipEvent
Event that is used to show messages in a status bar
QTabletEvent
Contains parameters that describe a Tablet event
QTimer
Repetitive and single-shot timers
QTimerEvent
Contains parameters that describe a timer event
QTouchEvent
Contains parameters that describe a touch event
QWhatsThisClickedEvent
Event that can be used to handle hyperlinks in a "What's This?" text
QWheelEvent
Contains parameters that describe a wheel event
QWindowStateChangeEvent
The window state before a window state change
See also this introduction to the Qt coordinate system.
QBitmap
Monochrome (1-bit depth) pixmaps
QBrush
Defines the fill pattern of shapes drawn by QPainter
QColor
Colors based on RGB, HSV or CMYK values
QColormap
Maps device independent QColors to device dependent pixel values
QConicalGradient
Used in combination with QBrush to specify a conical gradient brush
QFont
Specifies a font used for drawing text
QFontMetrics
Font metrics information
QFontMetricsF
Font metrics information
QGenericMatrix
Template class that represents a NxM transformation matrix with N columns and M rows
QGradient
Used in combination with QBrush to specify gradient fills
QIcon
Scalable icons in different modes and states
QIconEngine
Abstract base class for QIcon renderers
QImage
Hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device
QImageReader
Format independent interface for reading images from files or other devices
QImageWriter
Format independent interface for writing images to files or other devices
QLine
Two-dimensional vector using integer precision
QLineF
Two-dimensional vector using floating point precision
QLinearGradient
Used in combination with QBrush to specify a linear gradient brush
QMargins
Defines the four margins of a rectangle
QMarginsF
Defines the four margins of a rectangle
QPagedPaintDevice
Represents a paintdevice that supports multiple pages
QPaintDevice
The base class of objects that can be painted on with QPainter
QPaintEngine
Abstract definition of how QPainter draws to a given device on a given platform
QPainter
Performs low-level painting on widgets and other paint devices
QPainterPath
Container for painting operations, enabling graphical shapes to be constructed and reused
QPainterPathStroker
Used to generate fillable outlines for a given painter path
QPdfWriter
Class to generate PDFs that can be used as a paint device
QPen
Defines how a QPainter should draw lines and outlines of shapes
QPixmap
Off-screen image representation that can be used as a paint device
QPoint
Defines a point in the plane using integer precision
QPointF
Defines a point in the plane using floating point precision
QPolygon
Vector of points using integer precision
QPolygonF
Vector of points using floating point precision
QRadialGradient
Used in combination with QBrush to specify a radial gradient brush
QRect
Defines a rectangle in the plane using integer precision
QRectF
Defines a rectangle in the plane using floating point precision
QRegion
Specifies a clip region for a painter
QSize
Defines the size of a two-dimensional object using integer point precision
QSizeF
Defines the size of a two-dimensional object using floating point precision
QStylePainter
Convenience class for drawing QStyle elements inside a widget
QSupportedWritingSystems
Used when registering fonts with the internal Qt fontdatabase
QSvgGenerator
Paint device that is used to create SVG drawings
QSvgRenderer
Used to draw the contents of SVG files onto paint devices
QSvgWidget
Widget that is used to display the contents of Scalable Vector Graphics (SVG) files
QTransform
Specifies 2D transformations of a coordinate system
QVector2D
Represents a vector or vertex in 2D space
QGenericMatrix
Template class that represents a NxM transformation matrix with N columns and M rows
QMatrix4x4
Represents a 4x4 transformation matrix in 3D space
QOpenGLBuffer
Functions for creating and managing OpenGL buffer objects
QOpenGLDebugLogger
Enables logging of OpenGL debugging messages
QOpenGLDebugMessage
Wraps an OpenGL debug message
QOpenGLFramebufferObject
Encapsulates an OpenGL framebuffer object
QOpenGLFramebufferObjectFormat
Specifies the format of an OpenGL framebuffer object
QOpenGLFunctions
Cross-platform access to the OpenGL ES 2.0 API
QOpenGLPaintDevice
Enables painting to an OpenGL context using QPainter
QOpenGLShader
Allows OpenGL shaders to be compiled
QOpenGLShaderProgram
Allows OpenGL shader programs to be linked and used
QOpenGLTimeMonitor
Wraps a sequence of OpenGL timer query objects
QOpenGLTimerQuery
Wraps an OpenGL timer query object
QOpenGLVertexArrayObject
Wraps an OpenGL Vertex Array Object
QOpenGLVertexArrayObject::Binder
QOpenGLVertexArrayObject::Binder class is a convenience class to help with the binding and releasing of OpenGL Vertex Array Objects
QQuaternion
Represents a quaternion consisting of a vector and scalar
QVector2D
Represents a vector or vertex in 2D space
QVector3D
Represents a vector or vertex in 3D space
QVector4D
Represents a vector or vertex in 4D space
转载于:https://www.cnblogs.com/hhh5460/p/4268527.html
