QwtSlider is a slider widget which operates on an interval of type double. QwtSlider supports different layouts as well as a scale.
Definition at line 31 of file qwt_slider.h.
Public Types | |
enum | ScalePos { None, Left, Right, Top, Bottom } |
enum | BGSTYLE { BgTrough = 0x1, BgSlot = 0x2, BgBoth = BgTrough | BgSlot } |
Public Member Functions | |
QwtSlider (QWidget *parent, Qt::Orientation=Qt::Horizontal, ScalePos=None, BGSTYLE bgStyle=BgTrough) | |
virtual | ~QwtSlider () |
virtual void | setOrientation (Qt::Orientation) |
void | setBgStyle (BGSTYLE) |
BGSTYLE | bgStyle () const |
void | setScalePosition (ScalePos s) |
ScalePos | scalePosition () const |
int | thumbLength () const |
int | thumbWidth () const |
int | borderWidth () const |
void | setThumbLength (int l) |
void | setThumbWidth (int w) |
void | setBorderWidth (int bw) |
void | setMargins (int x, int y) |
virtual QSize | sizeHint () const |
virtual QSize | minimumSizeHint () const |
void | setScaleDraw (QwtScaleDraw *) |
const QwtScaleDraw * | scaleDraw () const |
Protected Member Functions | |
virtual double | getValue (const QPoint &p) |
virtual void | getScrollMode (const QPoint &p, int &scrollMode, int &direction) |
void | draw (QPainter *p, const QRect &update_rect) |
virtual void | drawSlider (QPainter *p, const QRect &r) |
virtual void | drawThumb (QPainter *p, const QRect &, int pos) |
virtual void | resizeEvent (QResizeEvent *e) |
virtual void | paintEvent (QPaintEvent *e) |
virtual void | valueChange () |
virtual void | rangeChange () |
virtual void | scaleChange () |
virtual void | fontChange (const QFont &oldFont) |
void | layoutSlider (bool update=true) |
int | xyPosition (double v) const |
QwtScaleDraw * | scaleDraw () |
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Background style.
Definition at line 59 of file qwt_slider.h. |
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Scale position. QwtSlider tries to enforce valid combinations of its orientation and scale position:
Definition at line 53 of file qwt_slider.h. |
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Constructor.
Definition at line 65 of file qwt_slider.cpp. References scaleDraw(), QwtScaleDraw::setAlignment(), QwtScaleDraw::setLength(), QwtDoubleRange::setRange(), and QwtAbstractSlider::setValue(). |
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Definition at line 711 of file qwt_slider.cpp. |
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Definition at line 735 of file qwt_slider.cpp. |
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Draw the QwtSlider.
Definition at line 493 of file qwt_slider.cpp. References QwtAbstractScaleDraw::draw(), QwtPainter::drawFocusRect(), drawSlider(), and scaleDraw(). Referenced by paintEvent(). |
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Draw the slider into the specified rectangle.
Definition at line 295 of file qwt_slider.cpp. References drawThumb(), QwtAbstractSlider::isValid(), QwtAbstractSlider::orientation(), QwtDoubleRange::value(), and xyPosition(). Referenced by draw(). |
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Draw the thumb at a position.
Definition at line 371 of file qwt_slider.cpp. References QwtAbstractSlider::orientation(). Referenced by drawSlider(). |
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Notify change in font.
Definition at line 288 of file qwt_slider.cpp. References layoutSlider(). |
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Determine scrolling mode and direction.
Implements QwtAbstractSlider. Definition at line 448 of file qwt_slider.cpp. References QwtAbstractSlider::orientation(), scaleDraw(), thumbLength(), QwtDoubleRange::value(), and xyPosition(). |
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Determine the value corresponding to a specified mouse location.
Implements QwtAbstractSlider. Definition at line 435 of file qwt_slider.cpp. References QwtAbstractSlider::orientation(). |
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Recalculate the slider's geometry and layout based on the current rect and fonts.
Definition at line 522 of file qwt_slider.cpp. References QwtScaleDraw::getBorderDistHint(), QwtScaleDraw::move(), QwtAbstractSlider::orientation(), qwtMax, scaleDraw(), and QwtScaleDraw::setLength(). Referenced by fontChange(), rangeChange(), resizeEvent(), scaleChange(), setBgStyle(), setBorderWidth(), setMargins(), setOrientation(), setScalePosition(), setThumbLength(), and setThumbWidth(). |
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Return a minimum size hint.
Definition at line 753 of file qwt_slider.cpp. References QwtScaleDraw::extent(), QwtScaleDraw::getBorderDistHint(), QwtScaleDraw::minLength(), QwtAbstractSlider::orientation(), qwtMax, and scaleDraw(). Referenced by sizeHint(). |
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Qt paint event.
Definition at line 477 of file qwt_slider.cpp. References draw(), and QwtPaintBuffer::painter(). |
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Notify change of range.
Reimplemented from QwtDoubleRange. Definition at line 668 of file qwt_slider.cpp. References QwtAbstractScale::autoScale(), layoutSlider(), QwtDoubleRange::maxValue(), QwtDoubleRange::minValue(), QwtDoubleRange::rangeChange(), and QwtAbstractScale::rescale(). |
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Qt resize event.
Definition at line 511 of file qwt_slider.cpp. References layoutSlider(). |
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Notify changed scale.
Reimplemented from QwtAbstractScale. Definition at line 281 of file qwt_slider.cpp. References layoutSlider(). |
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Return the scale position.
Definition at line 212 of file qwt_slider.cpp. |
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Set the background style. Definition at line 702 of file qwt_slider.cpp. References layoutSlider(). |
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Change the slider's border width.
Definition at line 221 of file qwt_slider.cpp. References layoutSlider(). |
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Set distances between the widget's border and internals.
Definition at line 684 of file qwt_slider.cpp. References layoutSlider(). |
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Set the orientation.
Definition at line 151 of file qwt_slider.cpp. References layoutSlider(), and QwtAbstractSlider::orientation(). Referenced by setScalePosition(). |
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Change the scale position (and slider orientation).
Definition at line 200 of file qwt_slider.cpp. References layoutSlider(), and setOrientation(). |
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Set the slider's thumb length.
Definition at line 237 of file qwt_slider.cpp. References layoutSlider(). |
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Change the width of the thumb.
Definition at line 253 of file qwt_slider.cpp. References layoutSlider(). |
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Definition at line 743 of file qwt_slider.cpp. References minimumSizeHint(). |
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Definition at line 719 of file qwt_slider.cpp. Referenced by getScrollMode(). |
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Definition at line 727 of file qwt_slider.cpp. |
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Notify change of value.
Reimplemented from QwtAbstractSlider. Definition at line 660 of file qwt_slider.cpp. References QwtAbstractSlider::valueChange(). |
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Find the x/y position for a given value v.
Definition at line 429 of file qwt_slider.cpp. Referenced by drawSlider(), and getScrollMode(). |