qwtdial.3

linux下qt的第三方的一个类

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 Set the value to \fBminValue()\fP
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.IP "\(bu" 2
Key_Up, KeyRight
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 Increment by 1
.IP "\(bu" 2
Key_Next
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 Increment by \fBpageSize()\fP
.IP "\(bu" 2
Key_End
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 Set the value to \fBmaxValue()\fP
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\fBSee also:\fP
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\fBisReadOnly()\fP 
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Reimplemented from \fBQwtSliderBase\fP.
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Reimplemented in \fBQwtCompass\fP.
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Definition at line 1044 of file qwt_dial.cpp.
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References QwtDblRange::incValue(), QwtSliderBase::isReadOnly(), QwtSliderBase::isValid(), QwtDblRange::maxValue(), QwtDblRange::minValue(), QwtDblRange::pageSize(), QwtDblRange::prevValue(), QwtSliderBase::setValue(), QwtSliderBase::sliderMoved(), and QwtDblRange::value().
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Referenced by QwtCompass::keyPressEvent().
.SS "int QwtDial::lineWidth () const"
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\fBReturns:\fP
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Line width of the frame 
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\fBSee also:\fP
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\fBQwtDial::setLineWidth\fP, \fBQwtDial::frameShadow\fP, QFrame::lineWidth 
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Definition at line 234 of file qwt_dial.cpp.
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Referenced by contentsRect(), drawFrame(), minimumSizeHint(), setFrameShadow(), and sizeHint().
.SS "double QwtDial::maxScaleArc () const"
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Return the upper limit of the scale arc. 
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Definition at line 150 of file qwt_dial.h.
.SS "QSize QwtDial::minimumSizeHint () const\fC [virtual]\fP"
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Return a minimum size hint. 
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\fBWarning:\fP
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The return value of \fBQwtDial::minimumSizeHint()\fP depends on the font and the scale. 
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Definition at line 874 of file qwt_dial.cpp.
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References lineWidth(), and QwtScaleDraw::minHeight().
.SS "double QwtDial::minScaleArc () const"
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Return the lower limit of the scale arc. 
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Definition at line 148 of file qwt_dial.h.
.SS "\fBQwtDial::Mode\fP QwtDial::mode () const"
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\fBReturns:\fP
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mode of the dial.
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The value of the dial is indicated by the difference between the origin and the direction of the needle. In case of QwtDial::RotateNeedle the scale arc is fixed to the \fBorigin()\fP and the needle is rotating, in case of QwtDial::RotateScale, the needle points to \fBorigin()\fP and the scale is rotating.
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The default mode is QwtDial::RotateNeedle.
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\fBSee also:\fP
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\fBQwtDial::setMode\fP, \fBQwtDial::origin\fP, \fBQwtDial::setScaleArc\fP, \fBQwtDial::value\fP 
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Definition at line 329 of file qwt_dial.cpp.
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References Mode.
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Referenced by drawContents(), QwtCompass::drawScaleContents(), getValue(), and QwtCompass::keyPressEvent().
.SS "\fBQwtDialNeedle\fP * QwtDial::needle ()"
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\fBReturns:\fP
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needle 
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\fBSee also:\fP
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\fBQwtDial::setNeedle\fP 
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Definition at line 684 of file qwt_dial.cpp.
.SS "const \fBQwtDialNeedle\fP * QwtDial::needle () const"
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\fBReturns:\fP
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needle 
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\fBSee also:\fP
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\fBQwtDial::setNeedle\fP 
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Definition at line 675 of file qwt_dial.cpp.
.SS "double QwtDial::origin () const"
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The origin is the angle where scale and needle is relative to.
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\fBReturns:\fP
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Origin of the dial 
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\fBSee also:\fP
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\fBQwtDial::setOrigin()\fP 
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Definition at line 822 of file qwt_dial.cpp.
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Referenced by drawContents(), QwtAnalogClock::drawNeedle(), QwtCompass::drawScaleContents(), and QwtCompass::keyPressEvent().
.SS "void QwtDial::paintEvent (QPaintEvent *)\fC [protected, virtual]\fP"
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Repaint the dial. 
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Definition at line 372 of file qwt_dial.cpp.
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References drawContents(), drawFocusIndicator(), drawFrame(), and QwtPaintBuffer::painter().
.SS "void QwtDial::rangeChange ()\fC [protected, virtual]\fP"
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\fBQwtDblRange\fP update hook. 
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Reimplemented from \fBQwtDblRange\fP.
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Definition at line 690 of file qwt_dial.cpp.
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References updateScale().
.SS "void QwtDial::resizeEvent (QResizeEvent *)\fC [protected, virtual]\fP"
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Resize the dial widget. 
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Definition at line 363 of file qwt_dial.cpp.
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References boundingRect(), and hasVisibleBackground().
.SS "QRect QwtDial::scaleContentsRect () const\fC [virtual]\fP"
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\fBReturns:\fP
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rect inside the scale 
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\fBSee also:\fP
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\fBsetLineWidth\fP, \fBQwtDial::boundingRect\fP, \fBQwtDial::contentsRect\fP 
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Definition at line 273 of file qwt_dial.cpp.
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References contentsRect(), QwtScaleDraw::maxHeight(), and QwtScaleDraw::maxWidth().
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Referenced by drawContents().
.SS "const \fBQwtDialScaleDraw\fP* QwtDial::scaleDraw () const"
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Return the scale draw. 
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Definition at line 171 of file qwt_dial.h.
.SS "\fBQwtDialScaleDraw\fP* QwtDial::scaleDraw ()"
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Return the scale draw. 
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Definition at line 169 of file qwt_dial.h.
.SS "QString QwtDial::scaleLabel (double value) const\fC [protected, virtual]\fP"
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\fBReturns:\fP
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the label for a value 
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Reimplemented in \fBQwtAnalogClock\fP, and \fBQwtCompass\fP.
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Definition at line 789 of file qwt_dial.cpp.
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Referenced by QwtDialScaleDraw::label().
.SS "void QwtDial::setFrameShadow (\fBShadow\fP shadow)"
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Sets the frame shadow value from the frame style. 
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\fBParameters:\fP
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\fIshadow\fP Frame shadow 
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\fBSee also:\fP
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\fBQwtDial::setLineWidth\fP, QFrame::setFrameShadow 
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Definition at line 191 of file qwt_dial.cpp.
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References lineWidth().
.SS "void QwtDial::setLineWidth (int lineWidth)"
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Sets the line width
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\fBParameters:\fP
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\fIlineWidth\fP Line width 
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\fBSee also:\fP
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\fBQwtDial::setFrameShadow\fP 
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Definition at line 217 of file qwt_dial.cpp.
.SS "void QwtDial::setMode (\fBMode\fP mode)"
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Change the mode of the meter. 
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\fBParameters:\fP
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\fImode\fP New mode
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The value of the meter is indicated by the difference between north of the scale and the direction of the needle. In case of QwtDial::RotateNeedle north is pointing to the \fBorigin()\fP and the needle is rotating, in case of QwtDial::RotateScale, the needle points to \fBorigin()\fP and the scale is rotating.
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The default mode is QwtDial::RotateNeedle.
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\fBSee also:\fP
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\fBQwtDial::mode\fP, \fBQwtDial::setValue\fP, \fBQwtDial::setOrigin\fP 
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Definition at line 306 of file qwt_dial.cpp.
.SS "void QwtDial::setNeedle (\fBQwtDialNeedle\fP * needle)\fC [virtual]\fP"
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Set a needle for the dial
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Qwt is missing a set of good looking needles. Contributions are very welcome.
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\fBParameters:\fP
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\fIneedle\fP Needle 
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\fBWarning:\fP
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The needle will be deleted, when a different needle is set or in ~QwtDial 
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Definition at line 659 of file qwt_dial.cpp.
.SS "void QwtDial::setOrigin (double origin)\fC [virtual]\fP"
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Change the origin. 
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The origin is the angle where scale and needle is relative to.
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\fBParameters:\fP
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\fIorigin\fP New origin 
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\fBSee also:\fP
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\fBQwtDial::origin()\fP 
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Definition at line 810 of file qwt_dial.cpp.
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Referenced by QwtAnalogClock::QwtAnalogClock(), and QwtCompass::QwtCompass().
.SS "void QwtDial::setScale (int maxMajIntv, int maxMinIntv, double step = \fC0.0\fP)\fC [virtual]\fP"
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Change the intervals of the scale 
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\fBSee also:\fP
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\fBQwtScaleDraw::setScale\fP 
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Definition at line 730 of file qwt_dial.cpp.
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References updateScale().
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Referenced by QwtAnalogClock::QwtAnalogClock().
.SS "void QwtDial::setScaleArc (double minArc, double maxArc)"
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Change the arc of the scale
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\fBParameters:\fP
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\fIminArc\fP Lower limit 
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\fImaxArc\fP Upper limit 
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Definition at line 833 of file qwt_dial.cpp.
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Referenced by QwtDial().
.SS "void QwtDial::setScaleDraw (\fBQwtDialScaleDraw\fP * scaleDraw)\fC [virtual]\fP"
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Set an individual scale draw
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\fBWarning:\fP
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The previous scale draw is deleted 
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Definition at line 713 of file qwt_dial.cpp.
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References updateScale().
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Referenced by setScaleOptions().
.SS "void QwtDial::setScaleOptions (int options)"
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A wrapper method for accessing the scale draw.
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.IP "\(bu" 2
options == 0
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 No visible scale: setScaleDraw(NULL)
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options & ScaleBackbone
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 En/disable the backbone of the scale.
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options & ScaleTicks
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 Don磘 change anything. Otherwise set all tick lengths to 0.
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options & ScaleLabel
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 En/disable scale labels
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\fBSee also:\fP
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\fBQwtScaleDraw\fP:.setOptions, \fBQwtScaleDraw::setTickLength\fP, \fBQwtDialScaleDraw::showLabels\fP 
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Definition at line 754 of file qwt_dial.cpp.
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References QwtScaleDraw::options(), QwtScaleDraw::setOptions(), setScaleDraw(), QwtScaleDraw::setTickLength(), and QwtDialScaleDraw::showLabels().
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Referenced by QwtAnalogClock::QwtAnalogClock(), and QwtCompass::QwtCompass().
.SS "void QwtDial::setScaleTicks (int minLen, int medLen, int majLen, int penWidth = \fC1\fP)"
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See: \fBQwtScaleDraw::setTickLength\fP, \fBQwtDialScaleDraw::setPenWidth\fP. 
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Definition at line 776 of file qwt_dial.cpp.
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References QwtDialScaleDraw::setPenWidth(), and QwtScaleDraw::setTickLength().
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Referenced by QwtAnalogClock::QwtAnalogClock().
.SS "void QwtDial::setWrapping (bool wrapping)\fC [virtual]\fP"
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Sets whether it is possible to step the value from the highest value to the lowest value and vice versa to on.
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\fBParameters:\fP
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\fIwrapping\fP en/disables wrapping
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\fBSee also:\fP
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\fBQwtDial::wrapping\fP, \fBQwtDblRange::periodic\fP 
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\fBNote:\fP
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The meaning of wrapping is like the wrapping property of QSpinBox, but not like it is used in QDial. 
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Definition at line 344 of file qwt_dial.cpp.
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References QwtDblRange::setPeriodic().
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Referenced by QwtAnalogClock::QwtAnalogClock(), and QwtCompass::QwtCompass().
.SS "void QwtDial::showBackground (bool show)"
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Show/Hide the area outside of the frame 
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\fBParameters:\fP
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\fIshow\fP Show if TRUE, hide if FALSE
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\fBSee also:\fP
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\fBQwtDial::hasVisibleBackground\fP, QWidget::setMask 
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\fBWarning:\fP
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When QwtDial is a toplevel widget the window border might disappear too. 
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Definition at line 161 of file qwt_dial.cpp.
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References boundingRect().
.SS "QSize QwtDial::sizeHint () const\fC [virtual]\fP"
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\fBReturns:\fP
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\fBQwtDial::sizeHint()\fP 
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Definition at line 858 of file qwt_dial.cpp.
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References lineWidth(), and QwtScaleDraw::minHeight().
.SS "void QwtDial::updateScale ()\fC [protected]\fP"
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Update the scale with the current attributes 
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\fBSee also:\fP
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\fBQwtDial::setScale\fP 
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Definition at line 699 of file qwt_dial.cpp.
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References QwtDblRange::maxValue(), QwtDblRange::minValue(), and QwtScaleDraw::setScale().
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Referenced by rangeChange(), setScale(), and setScaleDraw().
.SS "void QwtDial::valueChange ()\fC [protected, virtual]\fP"
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\fBQwtDblRange\fP update hook. 
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Reimplemented from \fBQwtSliderBase\fP.
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Definition at line 849 of file qwt_dial.cpp.
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References QwtSliderBase::valueChange().
.SS "bool QwtDial::wrapping () const"
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\fBwrapping()\fP holds whether it is possible to step the value from the highest value to the lowest value and vice versa.
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\fBSee also:\fP
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\fBQwtDial::setWrapping\fP, \fBQwtDblRange::setPeriodic\fP 
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\fBNote:\fP
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The meaning of wrapping is like the wrapping property of QSpinBox, but not like it is used in QDial. 
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Definition at line 357 of file qwt_dial.cpp.
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References QwtDblRange::periodic().
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Referenced by getValue().

.SH "Author"
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