org.qt-project.qtgui.693
qtgui

# Qt GUI

Qt GUI Overview

## Paint System

Paint Devices and Backends

Drawing and Filling

Coordinate System

Reading and Writing Image Files

Painting Classes

Rendering in 3D

## Rich Text Processing

Rich Text Document Structure

The QTextCursor Interface

Document Layouts

Common Rich Text Editing Tasks

Advanced Rich Text Processing

Supported HTML Subset

Rich Text Processing APIs

Drag and Drop

Upgrading from Qt 5

Reference - Private C++ Classes

## C++ Classes

### QAbstractFileIconProvider Class Reference

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### QAbstractTextDocumentLayout Class Reference

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### QAccessible Class Reference

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### QAccessibleActionInterface Class Reference

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### QAccessibleAnnouncementEvent Class Reference

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### QAccessibleAttributesInterface Class Reference

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### QAccessibleEditableTextInterface Class Reference

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### QAccessibleEvent Class Reference

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### QAccessibleInterface Class Reference

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### QAccessibleObject Class Reference

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### QAccessiblePlugin Class Reference

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### QAccessibleSelectionInterface Class Reference

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### QAccessibleStateChangeEvent Class Reference

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### QAccessibleTableCellInterface Class Reference

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### QAccessibleTableInterface Class Reference

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### QAccessibleTableModelChangeEvent Class Reference

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### QAccessibleTextCursorEvent Class Reference

List of all members

### QAccessibleTextInsertEvent Class Reference

List of all members

### QAccessibleTextInterface Class Reference

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### QAccessibleTextRemoveEvent Class Reference

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### QAccessibleTextSelectionEvent Class Reference

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### QAccessibleTextUpdateEvent Class Reference

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### QAccessibleValueChangeEvent Class Reference

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### QAccessibleValueInterface Class Reference

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### QAction Class Reference

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Obsolete members

### QActionEvent Class Reference

List of all members

### QActionGroup Class Reference

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### QBackingStore Class Reference

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### QBitmap Class Reference

List of all members

Obsolete members

### QBrush Class Reference

List of all members

### QChildWindowEvent Class Reference

List of all members

### QClipboard Class Reference

List of all members

### QCloseEvent Class Reference

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### QColor Class Reference

List of all members

Obsolete members

### QColorSpace Class Reference

List of all members

### QColorTransform Class Reference

List of all members

### QConicalGradient Class Reference

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### QContextMenuEvent Class Reference

List of all members

Obsolete members

### QCursor Class Reference

List of all members

Obsolete members

### QDesktopServices Class Reference

List of all members

### QDoubleValidator Class Reference

List of all members

### QDrag Class Reference

List of all members

### QDragEnterEvent Class Reference

List of all members

### QDragLeaveEvent Class Reference

List of all members

### QDragMoveEvent Class Reference

List of all members

### QDropEvent Class Reference

List of all members

Obsolete members

### QEnterEvent Class Reference

List of all members

Obsolete members

### QEventPoint Class Reference

List of all members

Obsolete members

### QExposeEvent Class Reference

List of all members

Obsolete members

### QFileOpenEvent Class Reference

List of all members

Obsolete members

### QFileSystemModel Class Reference

List of all members

### QFocusEvent Class Reference

List of all members

### QFont Class Reference

List of all members

Obsolete members

### QFontDatabase Class Reference

List of all members

Obsolete members

### QFontInfo Class Reference

List of all members

Obsolete members

### QFontMetrics Class Reference

List of all members

### QFontMetricsF Class Reference

List of all members

### QFontVariableAxis Class Reference

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### QGenericMatrix Class Reference

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### QGenericPlugin Class Reference

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### QGenericPluginFactory Class Reference

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### QGlyphRun Class Reference

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### QGradient Class Reference

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### QGuiApplication Class Reference

List of all members

Obsolete members

### QHelpEvent Class Reference

List of all members

### QHideEvent Class Reference

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### QHoverEvent Class Reference

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Obsolete members

### QIcon Class Reference

List of all members

Obsolete members

### QIconDragEvent Class Reference

List of all members

### QIconEngine Class Reference

List of all members

### QIconEnginePlugin Class Reference

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### QImage Class Reference

List of all members

### QImageIOHandler Class Reference

List of all members

### QImageIOPlugin Class Reference

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### QImageReader Class Reference

List of all members

### QImageWriter Class Reference

List of all members

### QInputDevice Class Reference

List of all members

### QInputEvent Class Reference

List of all members

### QInputMethod Class Reference

List of all members

### QInputMethodEvent Class Reference

List of all members

### QInputMethodEvent::Attribute Class Reference

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### QInputMethodQueryEvent Class Reference

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### QIntValidator Class Reference

List of all members

### QKeyEvent Class Reference

List of all members

### QKeySequence Class Reference

List of all members

### QLinearGradient Class Reference

List of all members

### QMatrix4x4 Class Reference

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Obsolete members

### QMouseEvent Class Reference

List of all members

Obsolete members

### QMoveEvent Class Reference

List of all members

### QMovie Class Reference

List of all members

### QNativeGestureEvent Class Reference

List of all members

Obsolete members

### QOffscreenSurface Class Reference

List of all members

### QOpenGLContext Class Reference

List of all members

### QOpenGLContextGroup Class Reference

List of all members

### QOpenGLExtraFunctions Class Reference

List of all members

### QOpenGLFunctions Class Reference

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### QPageLayout Class Reference

List of all members

### QPageRanges Class Reference

List of all members

### QPageSize Class Reference

List of all members

### QPagedPaintDevice Class Reference

List of all members

### QPaintDevice Class Reference

List of all members

### QPaintDeviceWindow Class Reference

List of all members

### QPaintEngine Class Reference

List of all members

### QPaintEngineState Class Reference

List of all members

### QPaintEvent Class Reference

List of all members

### QPainter Class Reference

List of all members

### QPainter::PixmapFragment Class Reference

List of all members

### QPainterPath Class Reference

List of all members

### QPainterPath::Element Class Reference

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### QPainterPathStroker Class Reference

List of all members

### QPainterStateGuard Class Reference

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### QPalette Class Reference

List of all members

Obsolete members

### QPdfOutputIntent Class Reference

List of all members

### QPdfWriter Class Reference

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### QPen Class Reference

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### QPicture Class Reference

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### QPixelFormat Class Reference

List of all members

### QPixmap Class Reference

List of all members

### QPixmapCache Class Reference

List of all members

Obsolete members

### QPixmapCache::Key Class Reference

List of all members

### QPlatformSurfaceEvent Class Reference

List of all members

### QPointerEvent Class Reference

List of all members

### QPointingDevice Class Reference

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### QPointingDeviceUniqueId Class Reference

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### QPolygon Class Reference

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### QPolygonF Class Reference

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### QQuaternion Class Reference

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### QRadialGradient Class Reference

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### QRasterWindow Class Reference

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### QRawFont Class Reference

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### QRegion Class Reference

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Obsolete members

### QRegularExpressionValidator Class Reference

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### QResizeEvent Class Reference

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### QRgba64 Class Reference

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### QRgbaFloat Class Reference

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### QRhi Class Reference

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### QRhiBuffer Class Reference

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### QRhiColorAttachment Class Reference

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### QRhiCommandBuffer Class Reference

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### QRhiComputePipeline Class Reference

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### QRhiDepthStencilClearValue Class Reference

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### QRhiGraphicsPipeline Class Reference

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### QRhiReadbackDescription Class Reference

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### QRhiRenderBuffer Class Reference

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### QRhiRenderPassDescriptor Class Reference

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### QRhiRenderTarget Class Reference

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### QRhiResource Class Reference

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### QRhiResourceUpdateBatch Class Reference

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### QRhiSampler Class Reference

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### QRhiScissor Class Reference

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### QRhiShaderResourceBinding Class Reference

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### QRhiShaderResourceBindings Class Reference

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### QRhiShaderStage Class Reference

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### QRhiShadingRateMap Class Reference

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### QRhiSwapChain Class Reference

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### QRhiSwapChainRenderTarget Class Reference

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### QRhiTexture Class Reference

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### QRhiTextureCopyDescription Class Reference

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### QRhiTextureRenderTarget Class Reference

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### QRhiTextureRenderTargetDescription Class Reference

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### QRhiTextureSubresourceUploadDescription Class Reference

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### QRhiTextureUploadDescription Class Reference

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### QRhiTextureUploadEntry Class Reference

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### QRhiVertexInputAttribute Class Reference

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### QRhiVertexInputBinding Class Reference

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### QRhiVertexInputLayout Class Reference

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### QRhiViewport Class Reference

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### QScreen Class Reference

List of all members

### QScrollEvent Class Reference

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### QScrollPrepareEvent Class Reference

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### QSessionManager Class Reference

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### QShader Class Reference

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### QShaderCode Class Reference

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### QShaderDescription Class Reference

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### QShaderKey Class Reference

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### QShaderVersion Class Reference

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### QShortcut Class Reference

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Obsolete members

### QShortcutEvent Class Reference

List of all members

Obsolete members

### QShowEvent Class Reference

List of all members

### QSinglePointEvent Class Reference

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### QStandardItem Class Reference

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### QStandardItemModel Class Reference

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### QStaticText Class Reference

List of all members

### QStatusTipEvent Class Reference

List of all members

### QStyleHints Class Reference

List of all members

Obsolete members

### QSupportedWritingSystems Class Reference

List of all members

### QSurface Class Reference

List of all members

### QSurfaceFormat Class Reference

List of all members

Obsolete members

### QSyntaxHighlighter Class Reference

List of all members

### QTabletEvent Class Reference

List of all members

Obsolete members

### QTextBlock Class Reference

List of all members

### QTextBlock::iterator Class Reference

List of all members

### QTextBlockFormat Class Reference

List of all members

### QTextBlockGroup Class Reference

List of all members

### QTextBlockUserData Class Reference

List of all members

### QTextCharFormat Class Reference

List of all members

Obsolete members

### QTextCursor Class Reference

List of all members

### QTextDocument Class Reference

List of all members

### QTextDocumentFragment Class Reference

List of all members

### QTextDocumentWriter Class Reference

List of all members

### QTextFormat Class Reference

List of all members

### QTextFragment Class Reference

List of all members

### QTextFrame Class Reference

List of all members

### QTextFrame::iterator Class Reference

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### QTextFrameFormat Class Reference

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### QTextImageFormat Class Reference

List of all members

### QTextInlineObject Class Reference

List of all members

### QTextItem Class Reference

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### QTextLayout Class Reference

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### QTextLength Class Reference

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### QTextLine Class Reference

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### QTextList Class Reference

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### QTextListFormat Class Reference

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### QTextObject Class Reference

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### QTextObjectInterface Class Reference

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### QTextOption Class Reference

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### QTextTable Class Reference

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### QTextTableCell Class Reference

List of all members

### QTextTableCellFormat Class Reference

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### QTextTableFormat Class Reference

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### QTouchEvent Class Reference

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Obsolete members

### QTransform Class Reference

List of all members

### QUndoCommand Class Reference

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### QUndoGroup Class Reference

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### QUndoStack Class Reference

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### QUtiMimeConverter Class Reference

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### QValidator Class Reference

List of all members

### QVector2D Class Reference

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### QVector3D Class Reference

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### QVector4D Class Reference

List of all members

QVulkanDeviceFunctions Class Reference

QVulkanFunctions Class Reference

### QVulkanInfoVector Class Reference

List of all members

### QVulkanInstance Class Reference

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### QVulkanWindow Class Reference

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### QVulkanWindowRenderer Class Reference

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### QWhatsThisClickedEvent Class Reference

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### QWheelEvent Class Reference

List of all members

Obsolete members

### QWindow Class Reference

List of all members

### QWindowStateChangeEvent Class Reference

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### QWindowsMimeConverter Class Reference

List of all members

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