| Qwt User's Guide 6.3.0
    | 
An analog clock. More...
#include <qwt_analog_clock.h>
| Public Types | |
| enum | Hand { SecondHand , MinuteHand , HourHand , NHands } | 
|  Public Types inherited from QwtDial | |
| enum | Shadow { Plain = QFrame::Plain , Raised = QFrame::Raised , Sunken = QFrame::Sunken } | 
| Frame shadow.  More... | |
| enum | Mode { RotateNeedle , RotateScale } | 
| Mode controlling whether the needle or the scale is rotating.  More... | |
| Public Slots | |
| void | setCurrentTime () | 
| Set the current time. | |
| void | setTime (const QTime &) | 
|  Public Slots inherited from QwtAbstractSlider | |
| void | setValue (double value) | 
| Public Member Functions | |
| QwtAnalogClock (QWidget *parent=NULL) | |
| virtual | ~QwtAnalogClock () | 
| Destructor. | |
| void | setHand (Hand, QwtDialNeedle *) | 
| const QwtDialNeedle * | hand (Hand) const | 
| QwtDialNeedle * | hand (Hand) | 
|  Public Member Functions inherited from QwtDial | |
| QwtDial (QWidget *parent=NULL) | |
| Constructor. | |
| virtual | ~QwtDial () | 
| Destructor. | |
| void | setFrameShadow (Shadow) | 
| Shadow | frameShadow () const | 
| void | setLineWidth (int) | 
| int | lineWidth () const | 
| void | setMode (Mode) | 
| Change the mode of the dial. | |
| Mode | mode () const | 
| void | setScaleArc (double minArc, double maxArc) | 
| void | setMinScaleArc (double) | 
| double | minScaleArc () const | 
| void | setMaxScaleArc (double) | 
| double | maxScaleArc () const | 
| virtual void | setOrigin (double) | 
| Change the origin. | |
| double | origin () const | 
| void | setNeedle (QwtDialNeedle *) | 
| const QwtDialNeedle * | needle () const | 
| QwtDialNeedle * | needle () | 
| QRect | boundingRect () const | 
| QRect | innerRect () const | 
| virtual QRect | scaleInnerRect () const | 
| virtual QSize | sizeHint () const override | 
| virtual QSize | minimumSizeHint () const override | 
| void | setScaleDraw (QwtRoundScaleDraw *) | 
| QwtRoundScaleDraw * | scaleDraw () | 
| const QwtRoundScaleDraw * | scaleDraw () const | 
|  Public Member Functions inherited from QwtAbstractSlider | |
| QwtAbstractSlider (QWidget *parent=NULL) | |
| Constructor. | |
| virtual | ~QwtAbstractSlider () | 
| Destructor. | |
| void | setValid (bool) | 
| bool | isValid () const | 
| double | value () const | 
| Returns the current value. | |
| void | setWrapping (bool) | 
| bool | wrapping () const | 
| void | setTotalSteps (uint) | 
| Set the number of steps. | |
| uint | totalSteps () const | 
| void | setSingleSteps (uint) | 
| Set the number of steps for a single increment. | |
| uint | singleSteps () const | 
| void | setPageSteps (uint) | 
| Set the number of steps for a page increment. | |
| uint | pageSteps () const | 
| void | setStepAlignment (bool) | 
| Enable step alignment. | |
| bool | stepAlignment () const | 
| void | setTracking (bool) | 
| Enables or disables tracking. | |
| bool | isTracking () const | 
| void | setReadOnly (bool) | 
| bool | isReadOnly () const | 
| void | setInvertedControls (bool) | 
| bool | invertedControls () const | 
|  Public Member Functions inherited from QwtAbstractScale | |
| QwtAbstractScale (QWidget *parent=NULL) | |
| virtual | ~QwtAbstractScale () | 
| Destructor. | |
| void | setScale (double lowerBound, double upperBound) | 
| Specify a scale. | |
| void | setScale (const QwtInterval &) | 
| Specify a scale. | |
| void | setScale (const QwtScaleDiv &) | 
| Specify a scale. | |
| const QwtScaleDiv & | scaleDiv () const | 
| void | setLowerBound (double value) | 
| double | lowerBound () const | 
| void | setUpperBound (double value) | 
| double | upperBound () const | 
| void | setScaleStepSize (double stepSize) | 
| Set the step size used for calculating a scale division. | |
| double | scaleStepSize () const | 
| void | setScaleMaxMajor (int ticks) | 
| Set the maximum number of major tick intervals. | |
| int | scaleMaxMinor () const | 
| void | setScaleMaxMinor (int ticks) | 
| Set the maximum number of minor tick intervals. | |
| int | scaleMaxMajor () const | 
| void | setScaleEngine (QwtScaleEngine *) | 
| Set a scale engine. | |
| const QwtScaleEngine * | scaleEngine () const | 
| QwtScaleEngine * | scaleEngine () | 
| int | transform (double) const | 
| double | invTransform (int) const | 
| bool | isInverted () const | 
| double | minimum () const | 
| double | maximum () const | 
| const QwtScaleMap & | scaleMap () const | 
| Protected Member Functions | |
| virtual void | drawNeedle (QPainter *, const QPointF &, double radius, double direction, QPalette::ColorGroup) const override | 
| Draw the needle. | |
| virtual void | drawHand (QPainter *, Hand, const QPointF &, double radius, double direction, QPalette::ColorGroup) const | 
|  Protected Member Functions inherited from QwtDial | |
| virtual void | wheelEvent (QWheelEvent *) override | 
| virtual void | paintEvent (QPaintEvent *) override | 
| virtual void | changeEvent (QEvent *) override | 
| virtual void | drawFrame (QPainter *) | 
| virtual void | drawContents (QPainter *) const | 
| Draw the contents inside the frame. | |
| virtual void | drawFocusIndicator (QPainter *) const | 
| void | invalidateCache () | 
| virtual void | drawScale (QPainter *, const QPointF ¢er, double radius) const | 
| virtual void | drawScaleContents (QPainter *painter, const QPointF ¢er, double radius) const | 
| virtual double | scrolledTo (const QPoint &) const override | 
| Determine the value for a new position of the slider handle. | |
| virtual bool | isScrollPosition (const QPoint &) const override | 
| Determine what to do when the user presses a mouse button. | |
| virtual void | sliderChange () override | 
| Calling update() | |
| virtual void | scaleChange () override | 
|  Protected Member Functions inherited from QwtAbstractSlider | |
| virtual void | mousePressEvent (QMouseEvent *) override | 
| virtual void | mouseReleaseEvent (QMouseEvent *) override | 
| virtual void | mouseMoveEvent (QMouseEvent *) override | 
| virtual void | keyPressEvent (QKeyEvent *) override | 
| void | incrementValue (int stepCount) | 
| double | incrementedValue (double value, int stepCount) const | 
|  Protected Member Functions inherited from QwtAbstractScale | |
| void | rescale (double lowerBound, double upperBound, double stepSize) | 
| void | setAbstractScaleDraw (QwtAbstractScaleDraw *) | 
| Set a scale draw. | |
| const QwtAbstractScaleDraw * | abstractScaleDraw () const | 
| QwtAbstractScaleDraw * | abstractScaleDraw () | 
| void | updateScaleDraw () | 
| Additional Inherited Members | |
|  Signals inherited from QwtAbstractSlider | |
| void | valueChanged (double value) | 
| Notify a change of value. | |
| void | sliderPressed () | 
| void | sliderReleased () | 
| void | sliderMoved (double value) | 
An analog clock.
 
Definition at line 43 of file qwt_analog_clock.h.
| enum QwtAnalogClock::Hand | 
Hand type
| Enumerator | |
|---|---|
| SecondHand | Needle displaying the seconds. | 
| MinuteHand | Needle displaying the minutes. | 
| HourHand | Needle displaying the hours. | 
| NHands | Number of needles. | 
Definition at line 52 of file qwt_analog_clock.h.
| 
 | explicit | 
| 
 | virtual | 
Destructor.
Definition at line 110 of file qwt_analog_clock.cpp.
| 
 | protectedvirtual | 
Draw a clock hand
| painter | Painter | 
| hd | Specify the type of hand | 
| center | Center of the clock | 
| radius | Maximum length for the hands | 
| direction | Direction of the hand in degrees, counter clockwise | 
| cg | ColorGroup | 
Definition at line 239 of file qwt_analog_clock.cpp.
| 
 | overrideprotectedvirtual | 
Draw the needle.
A clock has no single needle but three hands instead. drawNeedle() translates value() into directions for the hands and calls drawHand().
| painter | Painter | 
| center | Center of the clock | 
| radius | Maximum length for the hands | 
| direction | Dummy, not used. | 
| colorGroup | ColorGroup | 
Reimplemented from QwtDial.
Definition at line 202 of file qwt_analog_clock.cpp.
| QwtDialNeedle * QwtAnalogClock::hand | ( | Hand | hd | ) | 
| hd | Specifies the type of hand | 
Definition at line 146 of file qwt_analog_clock.cpp.
| const QwtDialNeedle * QwtAnalogClock::hand | ( | Hand | hd | ) | const | 
| hd | Specifies the type of hand | 
Definition at line 159 of file qwt_analog_clock.cpp.
| 
 | slot | 
Set the current time.
Definition at line 167 of file qwt_analog_clock.cpp.
| void QwtAnalogClock::setHand | ( | Hand | hand, | 
| QwtDialNeedle * | needle ) | 
Set a clock hand
| hand | Specifies the type of hand | 
| needle | Hand | 
Definition at line 132 of file qwt_analog_clock.cpp.
| 
 | slot |