QT学习-核心类列表-13、QtGui
13 - QtGui模块可以实现使用QT制作基本的用户图形界面程序
QAbstractOpenGLFunctions - The base class of a family of classes that expose all functions for each OpenGL version and profile
QAbstractTextDocumentLayout - Abstract base class used to implement custom layouts for QTextDocuments
QAbstractTextDocumentLayout::PaintContext - QAbstractTextDocumentLayout::PaintContext class is a convenience class defining the parameters used when painting a document's layout
QAbstractTextDocumentLayout::Selection - QAbstractTextDocumentLayout::Selection class is a convenience class defining the parameters of a selection
QAccessible - Enums and static functions related to accessibility
QAccessible::State -
QAccessibleEditableTextInterface - Implements support for objects with editable text
QAccessibleEvent - The base class for accessibility notifications
QAccessibleImageInterface - Implements support for the IAccessibleImage interface
QAccessibleInterface - Defines an interface that exposes information about accessible objects
QAccessibleObject - Implements parts of the QAccessibleInterface for QObjects
QAccessibleStateChangeEvent - Notfies the accessibility framework that the state of an object has changed
QAccessibleTableCellInterface - Implements support for the IAccessibleTable2 Cell interface
QAccessibleTableModelChangeEvent - Signifies a change in a table, list, or tree where cells are added or removed. If the change affected a number of rows, firstColumn and lastColumn will return -1. Likewise for columns, the row functions may return -1
QAccessibleTextCursorEvent - Notifies of cursor movements
QAccessibleTextInsertEvent - Notifies of text being inserted
QAccessibleTextInterface - Implements support for text handling
QAccessibleTextRemoveEvent - Notifies of text being deleted
QAccessibleTextSelectionEvent - Signals a change in the text selection of an object
QAccessibleTextUpdateEvent - Notifies about text changes. This is for accessibles that support editable text such as line edits. This event occurs for example when a portion of selected text gets replaced by pasting a new text or in override mode of editors
QAccessibleValueChangeEvent - Describes a change in value for an accessible object
QAccessibleValueInterface - Implements support for objects that manipulate a value
QActionEvent - Event that is generated when a QAction is added, removed, or changed
QBackingStore - Drawing area for QWindow
QBitmap - Monochrome (1-bit depth) pixmaps
QBrush - Defines the fill pattern of shapes drawn by QPainter
QClipboard - Access to the window system clipboard
QCloseEvent - Contains parameters that describe a close event
QColor - Colors based on RGB, HSV or CMYK values
QConicalGradient - Used in combination with QBrush to specify a conical gradient brush
QContextMenuEvent - Contains parameters that describe a context menu event
QCursor - Mouse cursor with an arbitrary shape
QDesktopServices - Methods for accessing common desktop services
QDoubleValidator - Range checking of floating-point numbers
QDrag - Support for MIME-based drag and drop data transfer
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
QEnterEvent - Contains parameters that describe an enter event
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
QFont - Specifies a font used for drawing text
QFontDatabase - Information about the fonts available in the underlying window system
QFontInfo - General information about fonts
QFontMetrics - Font metrics information
QFontMetricsF - Font metrics information
QGenericMatrix - Template class that represents a NxM transformation matrix with N columns and M rows
QGenericPlugin - Abstract base class for plugins
QGenericPluginFactory - Creates plugin drivers
QGlyphRun - Direct access to the internal glyphs in a font
QGradient - Used in combination with QBrush to specify gradient fills
QGuiApplication - Manages the GUI application's control flow and main settings
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
QIcon - Scalable icons in different modes and states
QIconDragEvent - Indicates that a main icon drag has begun
QIconEngine - Abstract base class for QIcon renderers
QIconEngine::AvailableSizesArgument -
QIconEnginePlugin - Abstract base for custom QIconEngine plugins
QImage - Hardware-independent image representation that allows direct access to the pixel data, and can be used as a paint device
QImageIOHandler - Defines the common image I/O interface for all image formats in Qt
QImageIOPlugin - Defines an interface for writing an image format plugin
QImageReader - Format independent interface for reading images from files or other devices
QImageWriter - Format independent interface for writing images to files or other devices
QInputEvent - The base class for events that describe user input
QInputMethod - Access to the active text input method
QInputMethodEvent - Parameters for input method events
QInputMethodEvent::Attribute - QInputMethodEvent::Attribute class stores an input method attribute
QInputMethodQueryEvent - Event sent by the input context to input objects
QIntValidator - Validator that ensures a string contains a valid integer within a specified range
QKeyEvent - Describes a key event
QKeySequence - Encapsulates a key sequence as used by shortcuts
QLinearGradient - Used in combination with QBrush to specify a linear gradient brush
QMatrix4x4 - Represents a 4x4 transformation matrix in 3D space
QMouseEvent - Contains parameters that describe a mouse event
QMoveEvent - Contains event parameters for move events
QMovie - Convenience class for playing movies with QImageReader
QNativeGestureEvent - Contains parameters that describe a gesture event
QOffscreenSurface - Represents an offscreen surface in the underlying platform
QOpenGLBuffer - Functions for creating and managing OpenGL buffer objects
QOpenGLContext - Represents a native OpenGL context, enabling OpenGL rendering on a QSurface
QOpenGLContextGroup - Represents a group of contexts sharing OpenGL resources
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
QOpenGLFunctions_1_0 - All functions for OpenGL 1.0 specification
QOpenGLFunctions_1_1 - All functions for OpenGL 1.1 specification
QOpenGLFunctions_1_2 - All functions for OpenGL 1.2 specification
QOpenGLFunctions_1_3 - All functions for OpenGL 1.3 specification
QOpenGLFunctions_1_4 - All functions for OpenGL 1.4 specification
QOpenGLFunctions_1_5 - All functions for OpenGL 1.5 specification
QOpenGLFunctions_2_0 - All functions for OpenGL 2.0 specification
QOpenGLFunctions_2_1 - All functions for OpenGL 2.1 specification
QOpenGLFunctions_3_0 - All functions for OpenGL 3.0 specification
QOpenGLFunctions_3_1 - All functions for OpenGL 3.1 specification
QOpenGLFunctions_3_2_Compatibility - All functions for OpenGL 3.2 compatibility profile
QOpenGLFunctions_3_2_Core - All functions for OpenGL 3.2 core profile
QOpenGLFunctions_3_3_Compatibility - All functions for OpenGL 3.3 compatibility profile
QOpenGLFunctions_3_3_Core - All functions for OpenGL 3.3 core profile
QOpenGLFunctions_4_0_Compatibility - All functions for OpenGL 4.0 compatibility profile
QOpenGLFunctions_4_0_Core - All functions for OpenGL 4.0 core profile
QOpenGLFunctions_4_1_Compatibility - All functions for OpenGL 4.1 compatibility profile
QOpenGLFunctions_4_1_Core - All functions for OpenGL 4.1 core profile
QOpenGLFunctions_4_2_Compatibility - All functions for OpenGL 4.2 compatibility profile
QOpenGLFunctions_4_2_Core - All functions for OpenGL 4.2 core profile
QOpenGLFunctions_4_3_Compatibility - All functions for OpenGL 4.3 compatibility profile
QOpenGLFunctions_4_3_Core - All functions for OpenGL 4.3 core profile
QOpenGLFunctions_4_4_Compatibility - All functions for OpenGL 4.4 compatibility profile
QOpenGLFunctions_4_4_Core - All functions for OpenGL 4.4 core profile
QOpenGLFunctions_4_5_Compatibility - All functions for OpenGL 4.5 compatibility profile
QOpenGLFunctions_4_5_Core - All functions for OpenGL 4.5 core profile
QOpenGLFunctions_ES2 - All functions for OpenGL ES 2
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
QOpenGLTexture - Encapsulates an OpenGL texture object
QOpenGLTimeMonitor - Wraps a sequence of OpenGL timer query objects
QOpenGLTimerQuery - Wraps an OpenGL timer query object
QOpenGLVersionProfile - Represents the version and if applicable the profile of an OpenGL context
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
QOpenGLWindow - Convenience subclass of QWindow to perform OpenGL painting
QPageLayout - Describes the size, orientation and margins of a page
QPageSize - Describes the size and name of a defined page size
QPagedPaintDevice - Represents a paintdevice that supports multiple pages
QPaintDevice - The base class of objects that can be painted on with QPainter
QPaintDeviceWindow - Convenience subclass of QWindow that is also a QPaintDevice
QPaintEngine - Abstract definition of how QPainter draws to a given device on a given platform
QPaintEngineState - Information about the active paint engine's current state
QPaintEvent - Contains event parameters for paint events
QPainter - Performs low-level painting on widgets and other paint devices
QPainter::PixmapFragment - This class is used in conjunction with the QPainter::drawPixmapFragments() function to specify how a pixmap, or sub-rect of a pixmap, is drawn
QPainterPath - Container for painting operations, enabling graphical shapes to be constructed and reused
QPainterPath::Element - QPainterPath::Element class specifies the position and type of a subpath
QPainterPathStroker - Used to generate fillable outlines for a given painter path
QPalette - Contains color groups for each widget state
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
QPicture - Paint device that records and replays QPainter commands
QPixelFormat - Class for describing different pixel layouts in graphics buffers
QPixmap - Off-screen image representation that can be used as a paint device
QPixmapCache - Application-wide cache for pixmaps
QPixmapCache::Key - QPixmapCache::Key class can be used for efficient access to the QPixmapCache
QPlatformGraphicsBuffer - Windowsystem abstraction for native graphics buffers
QPlatformSurfaceEvent - Used to notify about native platform surface events
QPlatformSystemTrayIcon - Abstracts the system tray icon and interaction
QPolygon - Vector of points using integer precision
QPolygonF - Vector of points using floating point precision
QQuaternion - Represents a quaternion consisting of a vector and scalar
QRadialGradient - Used in combination with QBrush to specify a radial gradient brush
QRasterPaintEngine - Enables hardware acceleration of painting operations in Qt for Embedded Linux
QRasterWindow - Convenience class for using QPainter on a QWindow
QRawFont - Access to a single physical instance of a font
QRegExpValidator - Used to check a string against a regular expression
QRegion - Specifies a clip region for a painter
QResizeEvent - Contains event parameters for resize events
QScreen - Used to query screen properties
QScrollEvent - Sent when scrolling
QScrollPrepareEvent - Sent in preparation of scrolling
QShortcutEvent - Event which is generated when the user presses a key combination
QShowEvent - Event that is sent when a widget is shown
QStandardItem - Item for use with the QStandardItemModel class
QStandardItemModel - Generic model for storing custom data
QStaticText - Enables optimized drawing of text when the text and its layout is updated rarely
QStatusTipEvent - Event that is used to show messages in a status bar
QStyleHints - Contains platform specific hints and settings
QSupportedWritingSystems - Used when registering fonts with the internal Qt fontdatabase
QSurface - Abstraction of renderable surfaces in Qt
QSurfaceFormat - Represents the format of a QSurface
QSyntaxHighlighter - Allows you to define syntax highlighting rules, and in addition you can use the class to query a document's current formatting or user data
QTabletEvent - Contains parameters that describe a Tablet event
QTextBlock - Container for text fragments in a QTextDocument
QTextBlock::iterator - QTextBlock::iterator class provides an iterator for reading the contents of a QTextBlock
QTextBlockFormat - Formatting information for blocks of text in a QTextDocument
QTextBlockGroup - Container for text blocks within a QTextDocument
QTextBlockUserData - Used to associate custom data with blocks of text
QTextCharFormat - Formatting information for characters in a QTextDocument
QTextCursor - Offers an API to access and modify QTextDocuments
QTextDocument - Holds formatted text
QTextDocumentFragment - Represents a piece of formatted text from a QTextDocument
QTextDocumentWriter - Format-independent interface for writing a QTextDocument to files or other devices
QTextFormat - Formatting information for a QTextDocument
QTextFragment - Holds a piece of text in a QTextDocument with a single QTextCharFormat
QTextFrame - Represents a frame in a QTextDocument
QTextFrameFormat - Formatting information for frames in a QTextDocument
QTextImageFormat - Formatting information for images in a QTextDocument
QTextInlineObject - Represents an inline object in a QAbstractTextDocumentLayout and its implementations
QTextItem - All the information required to draw text in a custom paint engine
QTextLayout - Used to lay out and render text
QTextLayout::FormatRange - QTextLayout::FormatRange structure is used to apply extra formatting information for a specified area in the text layout's content
QTextLength - Encapsulates the different types of length used in a QTextDocument
QTextLine - Represents a line of text inside a QTextLayout
QTextList - Decorated list of items in a QTextDocument
QTextListFormat - Formatting information for lists in a QTextDocument
QTextObject - Base class for different kinds of objects that can group parts of a QTextDocument together
QTextObjectInterface - Allows drawing of custom text objects in QTextDocuments
QTextOption - Description of general rich text properties
QTextOption::Tab -
QTextTable - Represents a table in a QTextDocument
QTextTableCell - Represents the properties of a cell in a QTextTable
QTextTableCellFormat - Formatting information for table cells in a QTextDocument
QTextTableFormat - Formatting information for tables in a QTextDocument
QTouchDevice - Describes the device from which touch events originate
QTouchEvent - Contains parameters that describe a touch event
QTouchEvent::TouchPoint - Information about a touch point in a QTouchEvent
QTransform - Specifies 2D transformations of a coordinate system
QValidator - Validation of input text
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
QWhatsThisClickedEvent - Event that can be used to handle hyperlinks in a "What's This?" text
QWheelEvent - Contains parameters that describe a wheel event
QWindow - Represents a window in the underlying windowing system
QWindowStateChangeEvent - The window state before a window state change
