Qt GUI C++ Classes

Contains QColor predefined constants

File icons for the QFileSystemModel class

QAbstractTextDocumentLayout::PaintContext class is a convenience class defining the parameters used when painting a document's layout

Enums and static functions related to accessibility

Implements support for objects with editable text

Defines an interface that exposes information about accessible objects

Notfies the accessibility framework that the state of an object has changed

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

Notifies of text being inserted

Notifies of text being deleted

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

Implements support for objects that manipulate a value

Event that is generated when a QAction is added, removed, or changed

Drawing area for QWindow

Defines the fill pattern of shapes drawn by QPainter

Contains parameters that describe a close event

Color space abstraction

Used in combination with QBrush to specify a conical gradient brush

Mouse cursor with an arbitrary shape

Range checking of floating-point numbers

Event which is sent to a widget when a drag and drop action enters it

Event which is sent while a drag and drop action is in progress

Contains parameters that describe an enter event

Contains event parameters for expose events

Data model for the local filesystem

Specifies a query for a font used for drawing text

General information about fonts

Font metrics information

Abstract base class for plugins

Direct access to the internal glyphs in a font

Manages the GUI application's control flow and main settings

Event which is sent after a widget is hidden

Scalable icons in different modes and states

Abstract base class for QIcon renderers

Abstract base for custom QIconEngine plugins

Defines the common image I/O interface for all image formats in Qt

Format independent interface for reading images from files or other devices

Describes a device from which a QInputEvent originates

Access to the active text input method

QInputMethodEvent::Attribute class stores an input method attribute

Validator that ensures a string contains a valid integer within a specified range

Encapsulates a key sequence as used by shortcuts

Represents a 4x4 transformation matrix in 3D space

Contains event parameters for move events

Contains parameters that describe a gesture event

Native interface to an NSOpenGLContext on macOS

Native interface to a GLX context

Native interface to an X11 application

Represents a native OpenGL context, enabling OpenGL rendering on a QSurface

Cross-platform access to the OpenGL ES 3.0, 3.1 and 3.2 API

Encapsulates an OpenGL texture object

Represents a collection of page ranges

Represents a paint device that supports multiple pages

Convenience subclass of QWindow that is also a QPaintDevice

Information about the active paint engine's current state

Performs low-level painting on widgets and other paint devices

Container for painting operations, enabling graphical shapes to be constructed and reused

Used to generate fillable outlines for a given painter path

Class to generate PDFs that can be used as a paint device

Paint device that records and replays QPainter commands

Off-screen image representation that can be used as a paint device

QPixmapCache::Key class can be used for efficient access to the QPixmapCache

A base class for pointer events

Identifies a unique object, such as a tagged token or stylus, which is used with a pointing device

List of points using floating point precision

Used in combination with QBrush to specify a radial gradient brush

Access to a single physical instance of a font

Contains event parameters for resize events

Struct contains a four part RGBA floating-point color

Sent when scrolling

Access to the session manager

Event which is generated when the user presses a key combination

A base class for pointer events containing a single point, such as mouse events

Generic model for storing custom data

Event that is used to show messages in a status bar

Used when registering fonts with the internal Qt fontdatabase

Represents the format of a QSurface

Contains parameters that describe a Tablet event

QTextBlock::iterator class provides an iterator for reading the contents of a QTextBlock

Container for text blocks within a QTextDocument

Formatting information for characters in a QTextDocument

Holds formatted text

Format-independent interface for writing a QTextDocument to files or other devices

Holds a piece of text in a QTextDocument with a single QTextCharFormat

Formatting information for frames in a QTextDocument

Represents an inline object in a QAbstractTextDocumentLayout and its implementations

Used to lay out and render text

Encapsulates the different types of length used in a QTextDocument

Decorated list of items in a QTextDocument

Base class for different kinds of objects that can group parts of a QTextDocument together

Description of general rich text properties

Represents a table in a QTextDocument

Formatting information for table cells in a QTextDocument

Contains parameters that describe a touch event

The base class of all commands stored on a QUndoStack

Stack of QUndoCommand objects

Represents a vector or vertex in 2D space

Represents a vector or vertex in 4D space

Cross-platform access to the instance level core Vulkan 1.2 API

Convenience subclass of QWindow to perform Vulkan rendering

Event that can be used to handle hyperlinks in a "What's This?" text

Represents a window in the underlying windowing system