Classes | Public Types | Public Slots | Public Member Functions | Protected Member Functions | Properties | Private Member Functions | Private Attributes | List of all members
QwtThermo Class Reference

The Thermometer Widget. More...

#include <qwt_thermo.h>

Inheritance diagram for QwtThermo:
Inheritance graph
[legend]

Classes

class  PrivateData
 

Public Types

enum  OriginMode { OriginMinimum, OriginMaximum, OriginCustom }
 
enum  ScalePosition { NoScale, LeadingScale, TrailingScale }
 

Public Slots

virtual void setValue (double val)
 

Public Member Functions

QBrush alarmBrush () const
 
bool alarmEnabled () const
 
double alarmLevel () const
 
int borderWidth () const
 
QwtColorMapcolorMap ()
 
const QwtColorMapcolorMap () const
 
QBrush fillBrush () const
 
virtual QSize minimumSizeHint () const
 
Qt::Orientation orientation () const
 
double origin () const
 
OriginMode originMode () const
 
int pipeWidth () const
 
 QwtThermo (QWidget *parent=NULL)
 
QwtInterval::BorderFlags rangeFlags () const
 
const QwtScaleDrawscaleDraw () const
 
ScalePosition scalePosition () const
 
void setAlarmBrush (const QBrush &b)
 Specify the liquid brush above the alarm threshold. More...
 
void setAlarmEnabled (bool tf)
 Enable or disable the alarm threshold. More...
 
void setAlarmLevel (double v)
 
void setBorderWidth (int w)
 
void setColorMap (QwtColorMap *)
 Assign a color map for the fill color. More...
 
void setFillBrush (const QBrush &b)
 Change the brush of the liquid. More...
 
void setOrientation (Qt::Orientation)
 Set the orientation. More...
 
void setOrigin (double)
 Specifies the custom origin. More...
 
void setOriginMode (OriginMode)
 Change how the origin is determined. More...
 
void setPipeWidth (int w)
 
void setRangeFlags (QwtInterval::BorderFlags)
 Exclude/Include min/max values. More...
 
void setScaleDraw (QwtScaleDraw *)
 Set a scale draw. More...
 
void setScalePosition (ScalePosition)
 Change the position of the scale. More...
 
void setSpacing (int)
 Change the spacing between pipe and scale. More...
 
virtual QSize sizeHint () const
 
int spacing () const
 
double value () const
 
virtual ~QwtThermo ()
 Destructor. More...
 
- Public Member Functions inherited from QwtAbstractScale
double invTransform (int) const
 
bool isInverted () const
 
double lowerBound () const
 
double maximum () const
 
double minimum () const
 
 QwtAbstractScale (QWidget *parent=NULL)
 
const QwtScaleDivscaleDiv () const
 
const QwtScaleEnginescaleEngine () const
 
QwtScaleEnginescaleEngine ()
 
const QwtScaleMapscaleMap () const
 
int scaleMaxMajor () const
 
int scaleMaxMinor () const
 
double scaleStepSize () const
 
void setLowerBound (double value)
 
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...
 
void setScaleEngine (QwtScaleEngine *)
 Set a scale engine. More...
 
void setScaleMaxMajor (int ticks)
 Set the maximum number of major tick intervals. More...
 
void setScaleMaxMinor (int ticks)
 Set the maximum number of minor tick intervals. More...
 
void setScaleStepSize (double stepSize)
 Set the step size used for calculating a scale division. More...
 
void setUpperBound (double value)
 
int transform (double) const
 
double upperBound () const
 
virtual ~QwtAbstractScale ()
 Destructor. More...
 

Protected Member Functions

QRect alarmRect (const QRect &) const
 Calculate the alarm rectangle of the pipe. More...
 
virtual void changeEvent (QEvent *)
 
virtual void drawLiquid (QPainter *, const QRect &) const
 
QRect fillRect (const QRect &) const
 Calculate the filled rectangle of the pipe. More...
 
virtual void paintEvent (QPaintEvent *)
 
QRect pipeRect () const
 
virtual void resizeEvent (QResizeEvent *)
 
virtual void scaleChange ()
 Notify a scale change. More...
 
QwtScaleDrawscaleDraw ()
 
- Protected Member Functions inherited from QwtAbstractScale
const QwtAbstractScaleDrawabstractScaleDraw () const
 
QwtAbstractScaleDrawabstractScaleDraw ()
 
void rescale (double lowerBound, double upperBound, double stepSize)
 
void setAbstractScaleDraw (QwtAbstractScaleDraw *)
 Set a scale draw. More...
 
void updateScaleDraw ()
 

Properties

bool alarmEnabled
 
double alarmLevel
 
int borderWidth
 
Qt::Orientation orientation
 
double origin
 
OriginMode originMode
 
int pipeWidth
 
ScalePosition scalePosition
 
int spacing
 
double value
 Return the value. More...
 
- Properties inherited from QwtAbstractScale
double lowerBound
 
int scaleMaxMajor
 
int scaleMaxMinor
 
double scaleStepSize
 
double upperBound
 

Private Member Functions

void layoutThermo (bool)
 

Private Attributes

PrivateDatad_data
 

Detailed Description

The Thermometer Widget.

QwtThermo is a widget which displays a value in an interval. It supports:

sysinfo.png

The fill colors might be calculated from an optional color map If no color map has been assigned QwtThermo uses the following colors/brushes from the widget palette:

Definition at line 46 of file qwt_thermo.h.

Member Enumeration Documentation

Origin mode. This property specifies where the beginning of the liquid is placed.

See also
setOriginMode(), setOrigin()
Enumerator
OriginMinimum 

The origin is the minimum of the scale.

OriginMaximum 

The origin is the maximum of the scale.

OriginCustom 

The origin is specified using the origin() property.

Definition at line 91 of file qwt_thermo.h.

Position of the scale

See also
setScalePosition(), setOrientation()
Enumerator
NoScale 

The slider has no scale.

LeadingScale 

The scale is right of a vertical or below of a horizontal slider.

TrailingScale 

The scale is left of a vertical or above of a horizontal slider.

Definition at line 73 of file qwt_thermo.h.

Constructor & Destructor Documentation

QwtThermo::QwtThermo ( QWidget *  parent = NULL)
explicit

Constructor

Parameters
parentParent widget

Definition at line 117 of file qwt_thermo.cpp.

QwtThermo::~QwtThermo ( )
virtual

Destructor.

Definition at line 133 of file qwt_thermo.cpp.

Member Function Documentation

QBrush QwtThermo::alarmBrush ( ) const
Returns
Liquid brush ( QPalette::Highlight ) above the alarm threshold.
See also
setAlarmBrush(), QWidget::palette()
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 757 of file qwt_thermo.cpp.

bool QwtThermo::alarmEnabled ( ) const
double QwtThermo::alarmLevel ( ) const
QRect QwtThermo::alarmRect ( const QRect &  fillRect) const
protected

Calculate the alarm rectangle of the pipe.

Parameters
fillRectFilled rectangle in the pipe
Returns
Rectangle to be filled with the alarm brush
See also
pipeRect(), fillRect(), alarmLevel(), alarmBrush()

Definition at line 941 of file qwt_thermo.cpp.

int QwtThermo::borderWidth ( ) const
void QwtThermo::changeEvent ( QEvent *  event)
protectedvirtual

Qt change event handler

Parameters
eventEvent

Reimplemented from QwtAbstractScale.

Definition at line 273 of file qwt_thermo.cpp.

QwtColorMap * QwtThermo::colorMap ( )
Returns
Color map for the fill color
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 693 of file qwt_thermo.cpp.

const QwtColorMap * QwtThermo::colorMap ( ) const
Returns
Color map for the fill color
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 703 of file qwt_thermo.cpp.

void QwtThermo::drawLiquid ( QPainter *  painter,
const QRect &  pipeRect 
) const
protectedvirtual

Redraw the liquid in thermometer pipe.

Parameters
painterPainter
pipeRectBounding rectangle of the pipe without borders

Definition at line 542 of file qwt_thermo.cpp.

QBrush QwtThermo::fillBrush ( ) const
Returns
Liquid ( QPalette::ButtonText ) brush.
See also
setFillBrush(), QWidget::palette()

Definition at line 727 of file qwt_thermo.cpp.

QRect QwtThermo::fillRect ( const QRect &  pipeRect) const
protected

Calculate the filled rectangle of the pipe.

Parameters
pipeRectRectangle of the pipe
Returns
Rectangle to be filled ( fill and alarm brush )
See also
pipeRect(), alarmRect()

Definition at line 894 of file qwt_thermo.cpp.

void QwtThermo::layoutThermo ( bool  update_geometry)
private

Recalculate the QwtThermo geometry and layout based on pipeRect() and the fonts.

Parameters
update_geometrynotify the layout system and call update to redraw the scale

Definition at line 295 of file qwt_thermo.cpp.

QSize QwtThermo::minimumSizeHint ( ) const
virtual
Returns
Minimum size hint
Warning
The return value depends on the font and the scale.
See also
sizeHint()

Definition at line 852 of file qwt_thermo.cpp.

Qt::Orientation QwtThermo::orientation ( ) const
double QwtThermo::origin ( ) const
OriginMode QwtThermo::originMode ( ) const
void QwtThermo::paintEvent ( QPaintEvent *  event)
protectedvirtual

Paint event handler

Parameters
eventPaint event

Definition at line 231 of file qwt_thermo.cpp.

QRect QwtThermo::pipeRect ( ) const
protected
Returns
Bounding rectangle of the pipe ( without borders ) in widget coordinates

Definition at line 381 of file qwt_thermo.cpp.

int QwtThermo::pipeWidth ( ) const
QwtInterval::BorderFlags QwtThermo::rangeFlags ( ) const
Returns
Range flags
See also
setRangeFlags()

Definition at line 166 of file qwt_thermo.cpp.

void QwtThermo::resizeEvent ( QResizeEvent *  event)
protectedvirtual

Resize event handler

Parameters
eventResize event

Definition at line 263 of file qwt_thermo.cpp.

void QwtThermo::scaleChange ( )
protectedvirtual

Notify a scale change.

Reimplemented from QwtAbstractScale.

Definition at line 532 of file qwt_thermo.cpp.

const QwtScaleDraw * QwtThermo::scaleDraw ( ) const
Returns
the scale draw of the thermo
See also
setScaleDraw()

Definition at line 213 of file qwt_thermo.cpp.

QwtScaleDraw * QwtThermo::scaleDraw ( )
protected
Returns
the scale draw of the thermo
See also
setScaleDraw()

Definition at line 222 of file qwt_thermo.cpp.

ScalePosition QwtThermo::scalePosition ( ) const
void QwtThermo::setAlarmBrush ( const QBrush &  brush)

Specify the liquid brush above the alarm threshold.

Changes the QPalette::Highlight brush of the palette.

Parameters
brushNew brush.
See also
alarmBrush(), QWidget::setPalette()
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 743 of file qwt_thermo.cpp.

void QwtThermo::setAlarmEnabled ( bool  on)

Enable or disable the alarm threshold.

Parameters
ontrue (disabled) or false (enabled)
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 821 of file qwt_thermo.cpp.

void QwtThermo::setAlarmLevel ( double  level)

Specify the alarm threshold.

Parameters
levelAlarm threshold
See also
alarmLevel()
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 771 of file qwt_thermo.cpp.

void QwtThermo::setBorderWidth ( int  width)

Set the border width of the pipe.

Parameters
widthBorder width
See also
borderWidth()

Definition at line 651 of file qwt_thermo.cpp.

void QwtThermo::setColorMap ( QwtColorMap colorMap)

Assign a color map for the fill color.

Parameters
colorMapColor map
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 679 of file qwt_thermo.cpp.

void QwtThermo::setFillBrush ( const QBrush &  brush)

Change the brush of the liquid.

Changes the QPalette::ButtonText brush of the palette.

Parameters
brushNew brush.
See also
fillBrush(), QWidget::setPalette()

Definition at line 716 of file qwt_thermo.cpp.

void QwtThermo::setOrientation ( Qt::Orientation  orientation)

Set the orientation.

Parameters
orientationAllowed values are Qt::Horizontal and Qt::Vertical.
See also
orientation(), scalePosition()

Definition at line 428 of file qwt_thermo.cpp.

void QwtThermo::setOrigin ( double  origin)

Specifies the custom origin.

If originMode is set to OriginCustom this property controls where the liquid starts.

Parameters
originNew origin level
See also
setOriginMode(), originMode(), origin()

Definition at line 487 of file qwt_thermo.cpp.

void QwtThermo::setOriginMode ( OriginMode  m)

Change how the origin is determined.

See also
originMode(), serOrigin(), origin()

Definition at line 460 of file qwt_thermo.cpp.

void QwtThermo::setPipeWidth ( int  width)

Change the width of the pipe.

Parameters
widthWidth of the pipe
See also
pipeWidth()

Definition at line 796 of file qwt_thermo.cpp.

void QwtThermo::setRangeFlags ( QwtInterval::BorderFlags  flags)

Exclude/Include min/max values.

According to the flags minValue() and maxValue() are included/excluded from the pipe. In case of an excluded value the corresponding tick is painted 1 pixel off of the pipeRect().

F.e. when a minimum of 0.0 has to be displayed as an empty pipe the minValue() needs to be excluded.

Parameters
flagsRange flags
See also
rangeFlags()

Definition at line 153 of file qwt_thermo.cpp.

void QwtThermo::setScaleDraw ( QwtScaleDraw scaleDraw)

Set a scale draw.

For changing the labels of the scales, it is necessary to derive from QwtScaleDraw and overload QwtScaleDraw::label().

Parameters
scaleDrawScaleDraw object, that has to be created with new and will be deleted in ~QwtThermo() or the next call of setScaleDraw().

Definition at line 203 of file qwt_thermo.cpp.

void QwtThermo::setScalePosition ( ScalePosition  scalePosition)

Change the position of the scale.

Parameters
scalePositionPosition of the scale.
See also
ScalePosition, scalePosition()

Definition at line 511 of file qwt_thermo.cpp.

void QwtThermo::setSpacing ( int  spacing)

Change the spacing between pipe and scale.

A spacing of 0 means, that the backbone of the scale is below the pipe.

The default setting is 3 pixels.

Parameters
spacingNumber of pixels
See also
spacing();

Definition at line 625 of file qwt_thermo.cpp.

void QwtThermo::setValue ( double  value)
virtualslot

Set the current value.

Parameters
valueNew Value
See also
value()

Definition at line 177 of file qwt_thermo.cpp.

QSize QwtThermo::sizeHint ( ) const
virtual
Returns
the minimum size hint
See also
minimumSizeHint()

Definition at line 842 of file qwt_thermo.cpp.

int QwtThermo::spacing ( ) const
double QwtThermo::value ( ) const

Member Data Documentation

PrivateData* QwtThermo::d_data
private

Definition at line 174 of file qwt_thermo.h.

Property Documentation

bool QwtThermo::alarmEnabled
readwrite
Returns
True, when the alarm threshold is enabled.
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 59 of file qwt_thermo.h.

double QwtThermo::alarmLevel
readwrite
Returns
Alarm threshold.
See also
setAlarmLevel()
Warning
The alarm threshold has no effect, when a color map has been assigned

Definition at line 60 of file qwt_thermo.h.

int QwtThermo::borderWidth
readwrite
Returns
Border width of the thermometer pipe.
See also
setBorderWidth()

Definition at line 63 of file qwt_thermo.h.

Qt::Orientation QwtThermo::orientation
readwrite
Returns
Orientation
See also
setOrientation()

Definition at line 54 of file qwt_thermo.h.

double QwtThermo::origin
readwrite
Returns
Origin of the thermo, when OriginCustom is enabled
See also
setOrigin(), setOriginMode(), originMode()

Definition at line 61 of file qwt_thermo.h.

QwtThermo::OriginMode QwtThermo::originMode
readwrite
Returns
Mode, how the origin is determined.
See also
setOriginMode(), serOrigin(), origin()

Definition at line 57 of file qwt_thermo.h.

int QwtThermo::pipeWidth
readwrite
Returns
Width of the pipe.
See also
setPipeWidth()

Definition at line 64 of file qwt_thermo.h.

QwtThermo::ScalePosition QwtThermo::scalePosition
readwrite
Returns
Scale position.
See also
setScalePosition()

Definition at line 56 of file qwt_thermo.h.

int QwtThermo::spacing
readwrite
Returns
Number of pixels between pipe and scale
See also
setSpacing()

Definition at line 62 of file qwt_thermo.h.

double QwtThermo::value
readwrite

Return the value.

Definition at line 65 of file qwt_thermo.h.


The documentation for this class was generated from the following files:


plotjuggler
Author(s): Davide Faconti
autogenerated on Sat Jul 6 2019 03:44:19