| QwtArrowButton | Arrow Button |
| QwtAutoScale | The Qwt Auto-Scaler |
| QwtCompass | A Compass Widget |
| QwtCompassLineNeedle | |
| QwtCompassMagnetNeedle | |
| QwtCompassNeedle1 | |
| QwtCompassNeedle2 | |
| QwtCompassNeedle3 | |
| QwtCompassNeedle4 | |
| QwtCompassRose | |
| QwtCounter | The Counter Widget |
| QwtCurve | A class which draws curves |
| QwtCurveDict | |
| QwtDblRange | A class which controls a value within an interval |
| QwtDial | |
| QwtDialNeedle | |
| QwtDialScaleDraw | |
| QwtDiMap | Map a double interval into an integer interval |
| QwtDynGridLayout | Lays out widgets in a grid, adjusting the number of columns and rows to the current size |
| QwtDynGridLayoutIterator | |
| QwtGrid | A class which draws a coordinate grid |
| QIntDict | |
| QwtKnob | The Knob Widget |
| QwtLegend | The legend widget |
| QwtLegendButton | A legend button |
| QwtMarker | A class for drawing markers |
| QwtMarkerDict | |
| QwtPaintBuffer | Paint buffer for Qwt widgets |
| QwtPainter | A collection of QPainter workarounds |
| PaintFilter | |
| QwtPlot | A 2-D plotting widget |
| QwtPlotCanvas | Canvas of a QwtPlot |
| QwtPlotCurve | Curve class for QwtPlot |
| QwtPlotGrid | Grid class for QwtPlot |
| QwtPlotItem | Base class for items on the plot canvas |
| QwtPlotLayout | Layout class for QwtPlot |
| QwtPlotLayoutData | |
| QwtPlotLayoutData::t_canvasData | |
| QwtPlotLayoutData::t_legendData | |
| QwtPlotLayoutData::t_scaleData | |
| QwtPlotLayoutData::t_titleData | |
| QwtPlotMappedItem | Base class for items on the plot canvas, that are attached to x and y axes |
| QwtPlotMarker | Marker class for QwtPlot |
| QwtPlotPrintFilter | A base class for plot print filters |
| QwtPlotPrintFilterCache | |
| QwtRect | Some extensions for QRect |
| QwtScale | A Widget which contains a scale |
| QwtScaleDiv | A class for building scale divisions |
| QwtScaleDraw | A class for drawing scales |
| QwtScaleIf | An interface class for widgets containing a scale |
| QwtSeqDict< type > | |
| QwtSimpleCompassRose | |
| QwtSlider | The Slider Widget |
| QwtSliderBase | A Base class for sliders |
| QwtSpline | A class for spline interpolation |
| QwtSymbol | A class for drawing symbols |
| QwtThermo | The Thermometer Widget |
| QwtWheel | The Wheel Widget |
| Qwt |
1.3.2