| CQwtAbstractLegend | Abstract base class for legend widgets |
| CQwtAbstractScale | An abstract base class for widgets having a scale |
| CQwtAbstractScaleDraw | A abstract base class for drawing scales |
| CQwtAbstractSeriesStore | Bridge between QwtSeriesStore and QwtPlotSeriesItem |
| CQwtAbstractSlider | An abstract base class for slider widgets with a scale |
| CQwtAlphaColorMap | QwtAlphaColorMap varies the alpha value of a color |
| CQwtAnalogClock | An analog clock |
| CQwtArraySeriesData | Template class for data, that is organized as QVector |
| CQwtArrowButton | Arrow Button |
| CQwtClipper | Some clipping algorithms |
| CQwtColorMap | QwtColorMap is used to map values into colors |
| CQwtColumnRect | Directed rectangle representing bounding rectangle and orientation of a column |
| CQwtColumnSymbol | A drawing primitive for columns |
| CQwtCompass | A Compass Widget |
| CQwtCompassMagnetNeedle | A magnet needle for compass widgets |
| CQwtCompassRose | Abstract base class for a compass rose |
| CQwtCompassScaleDraw | A special scale draw made for QwtCompass |
| CQwtCompassWindArrow | An indicator for the wind direction |
| CQwtCounter | The Counter Widget |
| CQwtCPointerData | Data class containing two pointers to memory blocks of doubles |
| CQwtCurveFitter | Abstract base class for a curve fitter |
| CQwtDate | A collection of methods around date/time values |
| CQwtDateScaleDraw | A class for drawing datetime scales |
| CQwtDateScaleEngine | A scale engine for date/time values |
| CQwtDial | QwtDial class provides a rounded range control |
| CQwtDialNeedle | Base class for needles that can be used in a QwtDial |
| CQwtDialSimpleNeedle | A needle for dial widgets |
| CQwtDynGridLayout | Lays out widgets in a grid, adjusting the number of columns and rows to the current size |
| ►CQwtEventPattern | A collection of event patterns |
| CKeyPattern | A pattern for key events |
| CMousePattern | A pattern for mouse events |
| CQwtGraphic | A paint device for scalable graphics |
| CQwtInterval | A class representing an interval |
| CQwtIntervalSample | A sample of the types (x1-x2, y) or (x, y1-y2) |
| CQwtIntervalSeriesData | Interface for iterating over an array of intervals |
| CQwtIntervalSymbol | A drawing primitive for displaying an interval like an error bar |
| CQwtKnob | The Knob Widget |
| CQwtLegend | The legend widget |
| CQwtLegendData | Attributes of an entry on a legend |
| CQwtLegendLabel | A widget representing something on a QwtLegend |
| CQwtLinearColorMap | QwtLinearColorMap builds a color map from color stops |
| CQwtLinearScaleEngine | A scale engine for linear scales |
| CQwtLogScaleEngine | A scale engine for logarithmic scales |
| CQwtLogTransform | Logarithmic transformation |
| CQwtMagnifier | QwtMagnifier provides zooming, by magnifying in steps |
| CQwtMathMLTextEngine | Text Engine for the MathML renderer of the Qt solutions package |
| CQwtMatrixRasterData | A class representing a matrix of values as raster data |
| CQwtNullPaintDevice | A null paint device doing nothing |
| CQwtNullTransform | Null transformation |
| CQwtOHLCSample | Open-High-Low-Close sample used in financial charts |
| CQwtPainter | A collection of QPainter workarounds |
| CQwtPainterCommand | |
| CQwtPanner | QwtPanner provides panning of a widget |
| CQwtPicker | QwtPicker provides selections on a widget |
| CQwtPickerClickPointMachine | A state machine for point selections |
| CQwtPickerClickRectMachine | A state machine for rectangle selections |
| CQwtPickerDragLineMachine | A state machine for line selections |
| CQwtPickerDragPointMachine | A state machine for point selections |
| CQwtPickerDragRectMachine | A state machine for rectangle selections |
| CQwtPickerMachine | A state machine for QwtPicker selections |
| CQwtPickerPolygonMachine | A state machine for polygon selections |
| CQwtPickerTrackerMachine | A state machine for indicating mouse movements |
| CQwtPixelMatrix | A bit field corresponding to the pixels of a rectangle |
| CQwtPlainTextEngine | A text engine for plain texts |
| CQwtPlot | A 2-D plotting widget |
| CQwtPlotAbstractBarChart | Abstract base class for bar chart items |
| CQwtPlotBarChart | QwtPlotBarChart displays a series of a values as bars |
| CQwtPlotCanvas | Canvas of a QwtPlot |
| CQwtPlotCurve | A plot item, that represents a series of points |
| CQwtPlotDict | A dictionary for plot items |
| CQwtPlotDirectPainter | Painter object trying to paint incrementally |
| CQwtPlotGLCanvas | An alternative canvas for a QwtPlot derived from QGLWidget |
| CQwtPlotGrid | A class which draws a coordinate grid |
| CQwtPlotHistogram | QwtPlotHistogram represents a series of samples, where an interval is associated with a value ( ![$y = f([x1,x2])$](form_1.png) ) |
| CQwtPlotIntervalCurve | QwtPlotIntervalCurve represents a series of samples, where each value is associated with an interval ( ![$[y1,y2] = f(x)$](form_2.png) ) |
| CQwtPlotItem | Base class for items on the plot canvas |
| CQwtPlotLayout | Layout engine for QwtPlot |
| CQwtPlotLegendItem | A class which draws a legend inside the plot canvas |
| CQwtPlotMagnifier | QwtPlotMagnifier provides zooming, by magnifying in steps |
| CQwtPlotMarker | A class for drawing markers |
| CQwtPlotMultiBarChart | QwtPlotMultiBarChart displays a series of a samples that consist each of a set of values |
| CQwtPlotPanner | QwtPlotPanner provides panning of a plot canvas |
| CQwtPlotPicker | QwtPlotPicker provides selections on a plot canvas |
| CQwtPlotRasterItem | A class, which displays raster data |
| CQwtPlotRenderer | Renderer for exporting a plot to a document, a printer or anything else, that is supported by QPainter/QPaintDevice |
| CQwtPlotRescaler | QwtPlotRescaler takes care of fixed aspect ratios for plot scales |
| CQwtPlotScaleItem | A class which draws a scale inside the plot canvas |
| CQwtPlotSeriesItem | Base class for plot items representing a series of samples |
| CQwtPlotShapeItem | A plot item, which displays any graphical shape, that can be defined by a QPainterPath |
| CQwtPlotSpectroCurve | Curve that displays 3D points as dots, where the z coordinate is mapped to a color |
| CQwtPlotSpectrogram | A plot item, which displays a spectrogram |
| CQwtPlotSvgItem | A plot item, which displays data in Scalable Vector Graphics (SVG) format |
| CQwtPlotTextLabel | A plot item, which displays a text label |
| CQwtPlotTradingCurve | QwtPlotTradingCurve illustrates movements in the price of a financial instrument over time |
| CQwtPlotZoneItem | A plot item, which displays a zone |
| CQwtPlotZoomer | QwtPlotZoomer provides stacked zooming for a plot widget |
| CQwtPoint3D | QwtPoint3D class defines a 3D point in double coordinates |
| CQwtPoint3DSeriesData | Interface for iterating over an array of 3D points |
| CQwtPointArrayData | Interface for iterating over two QVector<double> objects |
| CQwtPointMapper | A helper class for translating a series of points |
| CQwtPointPolar | A point in polar coordinates |
| CQwtPointSeriesData | Interface for iterating over an array of points |
| CQwtPowerTransform | A transformation using pow() |
| CQwtRasterData | QwtRasterData defines an interface to any type of raster data |
| CQwtRichTextEngine | A text engine for Qt rich texts |
| CQwtRoundScaleDraw | A class for drawing round scales |
| CQwtSamplingThread | A thread collecting samples at regular intervals |
| CQwtScaleArithmetic | Arithmetic including a tolerance |
| CQwtScaleDiv | A class representing a scale division |
| CQwtScaleDraw | A class for drawing scales |
| CQwtScaleEngine | Base class for scale engines |
| CQwtScaleMap | A scale map |
| CQwtScaleWidget | A Widget which contains a scale |
| CQwtSeriesData | Abstract interface for iterating over samples |
| CQwtSeriesStore | Class storing a QwtSeriesData object |
| CQwtSetSample | A sample of the types (x1...xn, y) or (x, y1..yn) |
| CQwtSetSeriesData | Interface for iterating over an array of samples |
| CQwtSimpleCompassRose | A simple rose for QwtCompass |
| CQwtSlider | The Slider Widget |
| CQwtSpline | A class for spline interpolation |
| CQwtSplineCurveFitter | A curve fitter using cubic splines |
| CQwtSymbol | A class for drawing symbols |
| CQwtSyntheticPointData | Synthetic point data |
| CQwtSystemClock | QwtSystemClock provides high resolution clock time functions |
| CQwtText | A class representing a text |
| CQwtTextEngine | Abstract base class for rendering text strings |
| CQwtTextLabel | A Widget which displays a QwtText |
| CQwtThermo | The Thermometer Widget |
| CQwtTradingChartData | |
| CQwtTransform | A transformation between coordinate systems |
| CQwtWeedingCurveFitter | A curve fitter implementing Douglas and Peucker algorithm |
| CQwtWheel | The Wheel Widget |
| CQwtWidgetOverlay | An overlay for a widget |
1.8.11 
