Class List
Here are the classes, structs, unions and interfaces with brief descriptions:

QList |
QMap |
QStack |
QVector |
QwtAbstractLegend | Abstract base class for legend widgets
QwtAbstractScale | An abstract base class for widgets having a scale
QwtAbstractScaleDraw | A abstract base class for drawing scales
QwtAbstractSeriesStore | Bridge between QwtSeriesStore and QwtPlotSeriesItem
QwtAbstractSlider | An abstract base class for slider widgets with a scale
QwtAlphaColorMap | QwtAlphaColorMap varies the alpha value of a color
QwtAnalogClock | An analog clock
QwtArraySeriesData | Template class for data, that is organized as QVector
QwtArrowButton | Arrow Button
QwtBezier | An implementation of the de Casteljau’s Algorithm for interpolating Bézier curves
QwtColorMap | QwtColorMap is used to map values into colors
QwtColumnRect | Directed rectangle representing bounding rectangle and orientation of a column
QwtColumnSymbol | A drawing primitive for columns
QwtCompass | A Compass Widget
QwtCompassMagnetNeedle | A magnet needle for compass widgets
QwtCompassRose | Abstract base class for a compass rose
QwtCompassScaleDraw | A special scale draw made for QwtCompass
QwtCompassWindArrow | An indicator for the wind direction
QwtCounter | The Counter Widget
QwtCPointerData | Data class containing two pointers to memory blocks of T
QwtCPointerValueData | Data class containing a pointer to memory of y coordinates
QwtCurveFitter | Abstract base class for a curve fitter
QwtDate | A collection of methods around date/time values
QwtDateScaleDraw | A class for drawing datetime scales
QwtDateScaleEngine | A scale engine for date/time values
QwtDial | QwtDial class provides a rounded range control
QwtDialNeedle | Base class for needles that can be used in a QwtDial
QwtDialSimpleNeedle | A needle for dial widgets
QwtDynGridLayout | Lays out widgets in a grid, adjusting the number of columns and rows to the current size
QwtEventPattern | A collection of event patterns
KeyPattern | A pattern for key events
MousePattern | A pattern for mouse events
QwtGraphic | A paint device for scalable graphics
QwtHueColorMap | QwtHueColorMap varies the hue value of the HSV color model
QwtInterval | A class representing an interval
QwtIntervalSample | A sample of the types (x1-x2, y) or (x, y1-y2)
QwtIntervalSeriesData | Interface for iterating over an array of intervals
QwtIntervalSymbol | A drawing primitive for displaying an interval like an error bar
QwtKnob | The Knob Widget
QwtLegend | The legend widget
QwtLegendData | Attributes of an entry on a legend
QwtLegendLabel | A widget representing something on a QwtLegend
QwtLinearColorMap | QwtLinearColorMap builds a color map from color stops
QwtLinearScaleEngine | A scale engine for linear scales
QwtLogScaleEngine | A scale engine for logarithmic scales
QwtLogTransform | Logarithmic transformation
QwtMagnifier | QwtMagnifier provides zooming, by magnifying in steps
QwtMatrixRasterData | A class representing a matrix of values as raster data
QwtNullPaintDevice | A null paint device doing nothing
QwtNullTransform | Null transformation
QwtOHLCSample | Open-High-Low-Close sample used in financial charts
QwtPainter | A collection of QPainter workarounds
QwtPainterCommand |
QwtPanner | QwtPanner provides panning of a widget
QwtPicker | QwtPicker provides selections on a widget
QwtPickerClickPointMachine | A state machine for point selections
QwtPickerClickRectMachine | A state machine for rectangle selections
QwtPickerDragLineMachine | A state machine for line selections
QwtPickerDragPointMachine | A state machine for point selections
QwtPickerDragRectMachine | A state machine for rectangle selections
QwtPickerMachine | A state machine for QwtPicker selections
QwtPickerPolygonMachine | A state machine for polygon selections
QwtPickerTrackerMachine | A state machine for indicating mouse movements
QwtPixelMatrix | A bit field corresponding to the pixels of a rectangle
QwtPlainTextEngine | A text engine for plain texts
QwtPlot | A 2-D plotting widget
QwtPlotAbstractBarChart | Abstract base class for bar chart items
QwtPlotAbstractCanvas | Base class for all type of plot canvases
QwtPlotAbstractGLCanvas | Base class of QwtPlotOpenGLCanvas and QwtPlotGLCanvas
QwtPlotBarChart | QwtPlotBarChart displays a series of a values as bars
QwtPlotCanvas | Canvas of a QwtPlot
QwtPlotCurve | A plot item, that represents a series of points
QwtPlotDict | A dictionary for plot items
QwtPlotDirectPainter | Painter object trying to paint incrementally
QwtPlotGLCanvas | An alternative canvas for a QwtPlot derived from QGLWidget
QwtPlotGraphicItem | A plot item, which displays a recorded sequence of QPainter commands
QwtPlotGrid | A class which draws a coordinate grid
QwtPlotHistogram | QwtPlotHistogram represents a series of samples, where an interval is associated with a value ( )
QwtPlotIntervalCurve | QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ( )
QwtPlotItem | Base class for items on the plot canvas
QwtPlotLayout | Layout engine for QwtPlot
QwtPlotLegendItem | A class which draws a legend inside the plot canvas
QwtPlotMagnifier | QwtPlotMagnifier provides zooming, by magnifying in steps
QwtPlotMarker | A class for drawing markers
QwtPlotMultiBarChart | QwtPlotMultiBarChart displays a series of a samples that consist each of a set of values
QwtPlotOpenGLCanvas | An alternative canvas for a QwtPlot derived from QOpenGLWidget
QwtPlotPanner | QwtPlotPanner provides panning of a plot canvas
QwtPlotPicker | QwtPlotPicker provides selections on a plot canvas
QwtPlotRasterItem | A class, which displays raster data
QwtPlotRenderer | Renderer for exporting a plot to a document, a printer or anything else, that is supported by QPainter/QPaintDevice
QwtPlotRescaler | QwtPlotRescaler takes care of fixed aspect ratios for plot scales
QwtPlotScaleItem | A class which draws a scale inside the plot canvas
QwtPlotSeriesItem | Base class for plot items representing a series of samples
QwtPlotShapeItem | A plot item, which displays any graphical shape, that can be defined by a QPainterPath
QwtPlotSpectroCurve | Curve that displays 3D points as dots, where the z coordinate is mapped to a color
QwtPlotSpectrogram | A plot item, which displays a spectrogram
QwtPlotSvgItem | A plot item, which displays data in Scalable Vector Graphics (SVG) format
QwtPlotTextLabel | A plot item, which displays a text label
QwtPlotTradingCurve | QwtPlotTradingCurve illustrates movements in the price of a financial instrument over time
QwtPlotVectorField | A plot item, that represents a vector field
QwtPlotZoneItem | A plot item, which displays a zone
QwtPlotZoomer | QwtPlotZoomer provides stacked zooming for a plot widget
QwtPoint3D | QwtPoint3D class defines a 3D point in double coordinates
QwtPoint3DSeriesData | Interface for iterating over an array of 3D points
QwtPointArrayData | Interface for iterating over two QVector<T> objects
QwtPointMapper | A helper class for translating a series of points
QwtPointPolar | A point in polar coordinates
QwtPointSeriesData | Interface for iterating over an array of points
QwtPolarCanvas | Canvas of a QwtPolarPlot
QwtPolarCurve | An item, that represents a series of points
QwtPolarFitter | A simple curve fitter for polar points
QwtPolarGrid | An item which draws scales and grid lines on a polar plot
QwtPolarItem | Base class for items on a polar plot
QwtPolarItemDict | A dictionary for polar plot items
QwtPolarLayout | Layout class for QwtPolarPlot
QwtPolarMagnifier | QwtPolarMagnifier provides zooming, by magnifying in steps
QwtPolarMarker | A class for drawing markers
QwtPolarPanner | QwtPolarPanner provides panning of a polar plot canvas
QwtPolarPicker | QwtPolarPicker provides selections on a plot canvas
QwtPolarPlot | A plotting widget, displaying a polar coordinate system
QwtPolarRenderer | Renderer for exporting a polar plot to a document, a printer or anything else, that is supported by QPainter/QPaintDevice
QwtPolarSpectrogram | An item, which displays a spectrogram
QwtPowerTransform | A transformation using pow()
QwtRasterData | QwtRasterData defines an interface to any type of raster data
QwtRichTextEngine | A text engine for Qt rich texts
QwtRoundScaleDraw | A class for drawing round scales
QwtSamplingThread | A thread collecting samples at regular intervals
QwtSaturationValueColorMap | QwtSaturationValueColorMap varies the saturation and/or value for a given hue in the HSV color model
QwtScaleArithmetic | Arithmetic including a tolerance
QwtScaleDiv | A class representing a scale division
QwtScaleDraw | A class for drawing scales
QwtScaleEngine | Base class for scale engines
QwtScaleMap | A scale map
QwtScaleWidget | A Widget which contains a scale
QwtSeriesData | Abstract interface for iterating over samples
QwtSeriesStore | Class storing a QwtSeriesData object
QwtSetSample | A sample of the types (x1...xn, y) or (x, y1..yn)
QwtSetSeriesData | Interface for iterating over an array of samples
QwtSimpleCompassRose | A simple rose for QwtCompass
QwtSlider | The Slider Widget
QwtSpline | Base class for all splines
QwtSplineBasis | An approximation using a basis spline
QwtSplineC1 | Base class for spline interpolations providing a first order parametric continuity ( C1 ) between adjoining curves
QwtSplineC2 | Base class for spline interpolations providing a second order parametric continuity ( C2 ) between adjoining curves
QwtSplineCubic | A cubic spline
QwtSplineCurveFitter | A curve fitter using a spline interpolation
QwtSplineG1 | Base class for spline interpolations providing a first order geometric continuity ( G1 ) between adjoining curves
QwtSplineInterpolating | Base class for a spline interpolation
QwtSplineLocal | A spline with C1 continuity
QwtSplineParametrization | Curve parametrization used for a spline interpolation
QwtSplinePleasing | A spline with G1 continuity
QwtSplinePolynomial | A cubic polynomial without constant term
QwtSymbol | A class for drawing symbols
QwtSyntheticPointData | Synthetic point data
QwtSystemClock | QwtSystemClock provides high resolution clock time functions
QwtText | A class representing a text
QwtTextEngine | Abstract base class for rendering text strings
QwtTextLabel | A Widget which displays a QwtText
QwtThermo | The Thermometer Widget
QwtTradingChartData |
QwtTransform | A transformation between coordinate systems
QwtValuePointData | Interface for iterating over a QVector<T>
QwtVectorFieldArrow |
QwtVectorFieldData | Interface for iterating over an array of vector field samples
QwtVectorFieldSample | Sample used in vector fields
QwtVectorFieldSymbol |
QwtVectorFieldThinArrow |
QwtWeedingCurveFitter | A curve fitter implementing Douglas and Peucker algorithm
QwtWheel | The Wheel Widget
QwtWidgetOverlay | An overlay for a widget