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Qwt User's Guide
6.2.0
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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. More... | |
| virtual | ~QwtDial () |
| Destructor. | |
| void | setFrameShadow (Shadow) |
| Shadow | frameShadow () const |
| void | setLineWidth (int) |
| int | lineWidth () const |
| void | setMode (Mode) |
| Change the mode of the dial. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| uint | totalSteps () const |
| void | setSingleSteps (uint) |
| Set the number of steps for a single increment. More... | |
| uint | singleSteps () const |
| void | setPageSteps (uint) |
| Set the number of steps for a page increment. More... | |
| uint | pageSteps () const |
| void | setStepAlignment (bool) |
| Enable step alignment. More... | |
| bool | stepAlignment () const |
| void | setTracking (bool) |
| Enables or disables tracking. More... | |
| 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. More... | |
| void | setScale (const QwtInterval &) |
| Specify a scale. More... | |
| void | setScale (const QwtScaleDiv &) |
| Specify a scale. More... | |
| 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. More... | |
| double | scaleStepSize () const |
| void | setScaleMaxMajor (int ticks) |
| Set the maximum number of major tick intervals. More... | |
| int | scaleMaxMinor () const |
| void | setScaleMaxMinor (int ticks) |
| Set the maximum number of minor tick intervals. More... | |
| int | scaleMaxMajor () const |
| void | setScaleEngine (QwtScaleEngine *) |
| Set a scale engine. More... | |
| 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. More... | |
| 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. More... | |
| 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. More... | |
| virtual bool | isScrollPosition (const QPoint &) const override |
| Determine what to do when the user presses a mouse button. More... | |
| 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. More... | |
| const QwtAbstractScaleDraw * | abstractScaleDraw () const |
| QwtAbstractScaleDraw * | abstractScaleDraw () |
| void | updateScaleDraw () |
Additional Inherited Members | |
Signals inherited from QwtAbstractSlider | |
| void | valueChanged (double value) |
| Notify a change of value. More... | |
| 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.
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explicit |
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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.
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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.
| 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.
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slot |