Section 3: library functions
QwtLegendItem – A legend label. Synopsis#include <qwt_legend_item.h> Inherits QwtTextLabel. Public Typesenum IdentifierMode { NoIdentifier = 0, ShowLine = 1, ShowSymbol = 2, ShowText = 4 } Public Slotsvoid setChecked (bool on) Signalsvoid clicked () void pressed () void released () void checked (bool) Public Member FunctionsQwtLegendItem (QWidget *parent=0) QwtLegendItem (const QwtSymbol &, const QPen &,…
QwtLegendData – Attributes of an entry on a legend. Synopsis#include <qwt_legend_data.h> Public Typesenum Mode { ReadOnly, Clickable, Checkable } Mode defining how a legend entry interacts. enum Role { ModeRole, TitleRole, IconRole, UserRole = 32 } Identifier how to interprete a QVariant. Public Member FunctionsQwtLegendData () Constructor. ~QwtLegendData () Destructor. void setValues (const QMap< int,…
QwtLegend – The legend widget. Synopsis#include <qwt_legend.h> Inherits QwtAbstractLegend. Public Slotsvirtual void updateLegend (const QVariant &, const QList< QwtLegendData > &) Update the entries for an item. Signalsvoid clicked (const QVariant &itemInfo, int index) void checked (const QVariant &itemInfo, bool on, int index) Public Member FunctionsQwtLegend (QWidget *parent=NULL) virtual ~QwtLegend () Destructor. void setMaxColumns (uint…
QwtKnob – The Knob Widget. Synopsis#include <qwt_knob.h> Inherits QwtAbstractSlider. Public Typesenum KnobStyle { Flat, Raised, Sunken, Styled } Style of the knob surface. enum MarkerStyle { NoMarker = -1, Tick, Triangle, Dot, Nub, Notch } Marker type. Public Member FunctionsQwtKnob (QWidget *parent=NULL) Constructor. virtual ~QwtKnob () Destructor. void setAlignment (Qt::Alignment) Set the alignment of the…
QwtIntervalSymbol – A drawing primitive for displaying an interval like an error bar. Synopsis#include <qwt_interval_symbol.h> Public Typesenum Style { NoSymbol = -1, Bar, Box, UserSymbol = 1000 } Symbol style. Public Member FunctionsQwtIntervalSymbol (Style=NoSymbol) QwtIntervalSymbol (const QwtIntervalSymbol &) Copy constructor. virtual ~QwtIntervalSymbol () Destructor. QwtIntervalSymbol & operator= (const QwtIntervalSymbol &) Assignment operator. bool operator== (const…
QwtIntervalSeriesData – Interface for iterating over an array of intervals. Synopsis#include <qwt_series_data.h> Inherits QwtArraySeriesData< QwtIntervalSample >. Public Member FunctionsQwtIntervalSeriesData (const QVector< QwtIntervalSample > &=QVector< QwtIntervalSample >()) virtual QRectF boundingRect () const Calculate the bounding rectangle. Additional Inherited MembersDetailed DescriptionInterface for iterating over an array of intervals. Constructor & Destructor DocumentationQwtIntervalSeriesData::QwtIntervalSeriesData (const QVector< QwtIntervalSample > &samples…
QwtIntervalSample – A sample of the types (x1-x2, y) or (x, y1-y2) Synopsis#include <qwt_samples.h> Public Member FunctionsQwtIntervalSample () QwtIntervalSample (double, const QwtInterval &) Constructor. QwtIntervalSample (double value, double min, double max) Constructor. bool operator== (const QwtIntervalSample &) const Compare operator. bool operator!= (const QwtIntervalSample &) const Compare operator. Public Attributesdouble value Value. QwtInterval interval Interval….
QwtIntervalData – Series of samples of a value and an interval. Synopsis#include <qwt_interval_data.h> Public Member FunctionsQwtIntervalData () QwtIntervalData (const QwtArray< QwtDoubleInterval > &, const QwtArray< double > &) ~QwtIntervalData () void setData (const QwtArray< QwtDoubleInterval > &, const QwtArray< double > &) size_t size () const const QwtDoubleInterval & interval (size_t i) const double value…
QwtInterval – A class representing an interval. Synopsis#include <qwt_interval.h> Public Typesenum BorderFlag { IncludeBorders = 0x00, ExcludeMinimum = 0x01, ExcludeMaximum = 0x02, ExcludeBorders = ExcludeMinimum | ExcludeMaximum } typedef QFlags< BorderFlag > BorderFlags Border flags. Public Member FunctionsQwtInterval () Default Constructor. QwtInterval (double minValue, double maxValue, BorderFlags=IncludeBorders) void setInterval (double minValue, double maxValue, BorderFlags=IncludeBorders) QwtInterval…
QwtGraphic – A paint device for scalable graphics. Synopsis#include <qwt_graphic.h> Inherits QwtNullPaintDevice. Public Typesenum RenderHint { RenderPensUnscaled = 0x1 } typedef QFlags< RenderHint > RenderHints Render hints. Public Member FunctionsQwtGraphic () Constructor. QwtGraphic (const QwtGraphic &) Copy constructor. virtual ~QwtGraphic () Destructor. QwtGraphic & operator= (const QwtGraphic &) Assignment operator. void reset () Clear all…
QwtEventPattern::MousePattern – A pattern for mouse events. Synopsis#include <qwt_event_pattern.h> Public Member FunctionsMousePattern (Qt::MouseButton btn=Qt::NoButton, Qt::KeyboardModifiers modifierCodes=Qt::NoModifier) Constructor. Public AttributesQt::MouseButton button Button. Qt::KeyboardModifiers modifiers Keyboard modifier. Detailed DescriptionA pattern for mouse events. AuthorGenerated automatically by Doxygen for Qwt User’s Guide from the source code.
QwtEventPattern::KeyPattern – A pattern for key events. Synopsis#include <qwt_event_pattern.h> Public Member FunctionsKeyPattern (int keyCode=Qt::Key_unknown, Qt::KeyboardModifiers modifierCodes=Qt::NoModifier) Constructor. Public Attributesint key Key code. Qt::KeyboardModifiers modifiers Modifiers. Detailed DescriptionA pattern for key events. AuthorGenerated 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. Classesclass KeyPattern A pattern for key events. class MousePattern A pattern for mouse events. Public Typesenum MousePatternCode { MouseSelect1, MouseSelect2, MouseSelect3, MouseSelect4, MouseSelect5, MouseSelect6, MousePatternCount } Symbolic mouse input codes. enum KeyPatternCode { KeySelect1, KeySelect2, KeyAbort, KeyLeft, KeyRight, KeyUp, KeyDown, KeyRedo, KeyUndo, KeyHome,…
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 FunctionsQwtDynGridLayout (QWidget *, int margin=0, int space=-1) QwtDynGridLayout (int space=-1) virtual ~QwtDynGridLayout () Destructor. virtual void invalidate () Invalidate all internal caches. void setMaxColumns (uint maxCols) uint…
QwtDoubleRange – A class which controls a value within an interval. Synopsis#include <qwt_double_range.h> Inherited by QwtAbstractSlider, and QwtCounter. Public Member FunctionsQwtDoubleRange () 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 tf) bool…
QwtDoubleInterval – A class representing an interval. Synopsis#include <qwt_double_interval.h> Public Typesenum BorderMode { IncludeBorders = 0, ExcludeMinimum = 1, ExcludeMaximum = 2, ExcludeBorders = ExcludeMinimum | ExcludeMaximum } Public Member FunctionsQwtDoubleInterval () QwtDoubleInterval (double minValue, double maxValue, int borderFlags=IncludeBorders) void setInterval (double minValue, double maxValue, int borderFlags=IncludeBorders) QwtDoubleInterval normalized () const QwtDoubleInterval inverted () const…
QwtDialSimpleNeedle – A needle for dial widgets. Synopsis#include <qwt_dial_needle.h> Inherits QwtDialNeedle. Public Typesenum Style { Arrow, Ray } Style of the needle. Public Member FunctionsQwtDialSimpleNeedle (Style, bool hasKnob=true, const QColor &mid=Qt::gray, const QColor &base=Qt::darkGray) void setWidth (double width) double width () const Protected Member Functionsvirtual void drawNeedle (QPainter *, double length, QPalette::ColorGroup) const Detailed DescriptionA…
QwtDialScaleDraw – A special scale draw made for QwtDial. Synopsis#include <qwt_dial.h> Inherits QwtRoundScaleDraw. Public Member FunctionsQwtDialScaleDraw (QwtDial *) virtual QwtText label (double value) const void setPenWidth (uint) uint penWidth () const Detailed DescriptionA special scale draw made for QwtDial. See also: QwtDial, QwtCompassConstructor & Destructor DocumentationQwtDialScaleDraw::QwtDialScaleDraw (QwtDial * parent) [explicit]Constructor Parameters: parent Parent dial widgetMember…
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 FunctionsQwtDialNeedle () Constructor. virtual ~QwtDialNeedle () Destructor. virtual void setPalette (const QPalette &) const QPalette & palette () const virtual void draw (QPainter *painter, const QPointF ¢er, double length, double direction, QPalette::ColorGroup=QPalette::Active)…
QwtDial – QwtDial class provides a rounded range control. Synopsis#include <qwt_dial.h> Inherits QwtAbstractSlider. Inherited by QwtAnalogClock, and QwtCompass. Public Typesenum 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 FunctionsQwtDial (QWidget *parent=NULL)…