Section 3: library functions
QwtEventPattern::KeyPattern – A pattern for key events. Synopsis #include <qwt_event_pattern.h> Public Member Functions KeyPattern (int keyCode=Qt::Key_unknown, Qt::KeyboardModifiers modifierCodes=Qt::NoModifier) Constructor. Public Attributes int key Key code. Qt::KeyboardModifiers modifiers Modifiers. Detailed Description A pattern for key events. Author Generated automatically by Doxygen for Qwt User’s Guide from the source code.
QwtEventPattern – A collection of event patterns. Synopsis #include <qwt_event_pattern.h> Inherited by QwtPicker. Classes class KeyPattern A pattern for key events. class MousePattern A pattern for mouse events. Public Types enum MousePatternCode { MouseSelect1, MouseSelect2, MouseSelect3, MouseSelect4, MouseSelect5, MouseSelect6, MousePatternCount } Symbolic mouse input codes. enum KeyPatternCode { KeySelect1, KeySelect2, KeyAbort, KeyLeft, KeyRight, KeyUp, KeyDown,…
QwtDynGridLayout – The QwtDynGridLayout class lays out widgets in a grid, adjusting the number of columns and rows to the current size. Synopsis #include <qwt_dyngrid_layout.h> Inherits QLayout. Public Member Functions QwtDynGridLayout (QWidget *, int margin=0, int space=-1) QwtDynGridLayout (int space=-1) virtual ~QwtDynGridLayout () Destructor. virtual void invalidate () Invalidate all internal caches. void setMaxColumns (uint…
QwtDoubleRange – A class which controls a value within an interval. Synopsis #include <qwt_double_range.h> Inherited by QwtAbstractSlider, and QwtCounter. Public Member Functions QwtDoubleRange () virtual ~QwtDoubleRange () void setRange (double vmin, double vmax, double vstep=0.0, int pagesize=1) void setValid (bool) bool isValid () const virtual void setValue (double) double value () const void setPeriodic (bool…
QwtDoubleInterval – A class representing an interval. Synopsis #include <qwt_double_interval.h> Public Types enum BorderMode { IncludeBorders = 0, ExcludeMinimum = 1, ExcludeMaximum = 2, ExcludeBorders = ExcludeMinimum | ExcludeMaximum } Public Member Functions QwtDoubleInterval () QwtDoubleInterval (double minValue, double maxValue, int borderFlags=IncludeBorders) void setInterval (double minValue, double maxValue, int borderFlags=IncludeBorders) QwtDoubleInterval normalized () const QwtDoubleInterval…
QwtDialSimpleNeedle – A needle for dial widgets. Synopsis #include <qwt_dial_needle.h> Inherits QwtDialNeedle. Public Types enum Style { Arrow, Ray } Style of the needle. Public Member Functions QwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray) void setWidth (double width) double width () const Protected Member Functions virtual void drawNeedle (QPainter *, double length,…
QwtDialScaleDraw – A special scale draw made for QwtDial. Synopsis #include <qwt_dial.h> Inherits QwtRoundScaleDraw. Public Member Functions QwtDialScaleDraw (QwtDial *) virtual QwtText label (double value) const void setPenWidth (uint) uint penWidth () const Detailed Description A special scale draw made for QwtDial. See also: QwtDial, QwtCompass Constructor & Destructor Documentation QwtDialScaleDraw::QwtDialScaleDraw (QwtDial * parent) [explicit]…
QwtDialNeedle – Base class for needles that can be used in a QwtDial. Synopsis #include <qwt_dial_needle.h> Inherited by QwtCompassMagnetNeedle, QwtCompassWindArrow, and QwtDialSimpleNeedle. Public Member Functions QwtDialNeedle () Constructor. virtual ~QwtDialNeedle () Destructor. virtual void setPalette (const QPalette &) const QPalette & palette () const virtual void draw (QPainter *painter, const QPointF ¢er, double length, double…
QwtDial – QwtDial class provides a rounded range control. Synopsis #include <qwt_dial.h> Inherits QwtAbstractSlider. Inherited by QwtAnalogClock, and QwtCompass. Public Types enum Shadow { Plain = QFrame::Plain, Raised = QFrame::Raised, Sunken = QFrame::Sunken } Frame shadow. enum Mode { RotateNeedle, RotateScale } Mode controlling whether the needle or the scale is rotating. Public Member Functions…
QwtDateScaleEngine – A scale engine for date/time values. Synopsis #include <qwt_date_scale_engine.h> Inherits QwtLinearScaleEngine. Public Member Functions QwtDateScaleEngine (Qt::TimeSpec=Qt::LocalTime) Constructor. virtual ~QwtDateScaleEngine () Destructor. void setTimeSpec (Qt::TimeSpec) Qt::TimeSpec timeSpec () const void setUtcOffset (int seconds) int utcOffset () const void setWeek0Type (QwtDate::Week0Type) QwtDate::Week0Type week0Type () const void setMaxWeeks (int) int maxWeeks () const virtual void autoScale…
QwtDateScaleDraw – A class for drawing datetime scales. Synopsis #include <qwt_date_scale_draw.h> Inherits QwtScaleDraw. Public Member Functions QwtDateScaleDraw (Qt::TimeSpec=Qt::LocalTime) Constructor. virtual ~QwtDateScaleDraw () Destructor. void setDateFormat (QwtDate::IntervalType, const QString &) QString dateFormat (QwtDate::IntervalType) const void setTimeSpec (Qt::TimeSpec) Qt::TimeSpec timeSpec () const void setUtcOffset (int seconds) int utcOffset () const void setWeek0Type (QwtDate::Week0Type) QwtDate::Week0Type week0Type () const…
QwtDate – A collection of methods around date/time values. Synopsis #include <qwt_date.h> Public Types enum Week0Type { FirstThursday, FirstDay } enum IntervalType { Millisecond, Second, Minute, Hour, Day, Week, Month, Year } enum { JulianDayForEpoch = 2440588 } Static Public Member Functions static QDate minDate () static QDate maxDate () static QDateTime toDateTime (double value,…
QwtData – QwtData defines an interface to any type of curve data. Synopsis #include <qwt_data.h> Inherited by QwtArrayData, QwtCPointerData, and QwtPolygonFData. Public Member Functions QwtData () virtual ~QwtData () virtual QwtData * copy () const =0 virtual size_t size () const =0 virtual double x (size_t i) const =0 virtual double y (size_t i) const…
QwtCurveFitter – Abstract base class for a curve fitter. Synopsis #include <qwt_curve_fitter.h> Inherited by QwtSplineCurveFitter, and QwtWeedingCurveFitter. Public Member Functions virtual ~QwtCurveFitter () Destructor. virtual QPolygonF fitCurve (const QPolygonF &polygon) const =0 Protected Member Functions QwtCurveFitter () Constructor. Detailed Description Abstract base class for a curve fitter. Member Function Documentation virtual QPolygonF QwtCurveFitter::fitCurve (const QPolygonF…
QwtCounter – The Counter Widget. Synopsis #include <qwt_counter.h> Inherits QWidget. Public Types enum Button { Button1, Button2, Button3, ButtonCnt } Button index. Public Slots void setValue (double) Set a new value without adjusting to the step raster. Signals void buttonReleased (double value) void valueChanged (double value) Public Member Functions QwtCounter (QWidget *parent=NULL) virtual ~QwtCounter ()…
QwtCompassWindArrow – An indicator for the wind direction. Synopsis #include <qwt_dial_needle.h> Inherits QwtDialNeedle. Public Types enum Style { Style1, Style2 } Style of the arrow. Public Member Functions QwtCompassWindArrow (Style, const QColor &light=Qt::white, const QColor &dark=Qt::gray) Protected Member Functions virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const Detailed Description An indicator for the wind…
QwtCompassScaleDraw – A special scale draw made for QwtCompass. Synopsis #include <qwt_compass.h> Inherits QwtRoundScaleDraw. Public Member Functions QwtCompassScaleDraw () Constructor. QwtCompassScaleDraw (const QMap< double, QString > &map) Constructor. void setLabelMap (const QMap< double, QString > &map) Set a map, mapping values to labels. QMap< double, QString > labelMap () const virtual QwtText label (double value)…
QwtCompassRose – Abstract base class for a compass rose. Synopsis #include <qwt_compass_rose.h> Inherited by QwtSimpleCompassRose. Public Member Functions virtual ~QwtCompassRose () Destructor. virtual void setPalette (const QPalette &p) Assign a palette. const QPalette & palette () const virtual void draw (QPainter *painter, const QPointF ¢er, double radius, double north, QPalette::ColorGroup colorGroup=QPalette::Active) const =0 Detailed Description…
QwtCompassMagnetNeedle – A magnet needle for compass widgets. Synopsis #include <qwt_dial_needle.h> Inherits QwtDialNeedle. Public Types enum Style { TriangleStyle, ThinStyle } Style of the needle. Public Member Functions QwtCompassMagnetNeedle (Style=TriangleStyle, const QColor &light=Qt::white, const QColor &dark=Qt::red) Constructor. Protected Member Functions virtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const Detailed Description A magnet needle for…
QwtCompass – A Compass Widget. Synopsis #include <qwt_compass.h> Inherits QwtDial. Public Member Functions QwtCompass (QWidget *parent=NULL) Constructor. virtual ~QwtCompass () Destructor. void setRose (QwtCompassRose *rose) const QwtCompassRose * rose () const QwtCompassRose * rose () Protected Member Functions virtual void drawRose (QPainter *, const QPointF ¢er, double radius, double north, QPalette::ColorGroup) const virtual void drawScaleContents…