Qwt User's Guide: QwtArrowButton Class Reference

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QwtArrowButton Class Reference

Arrow Button. More...

#include <qwt_arrow_button.h>

List of all members.

Public Member Functions

 QwtArrowButton (int num, Qt::ArrowType, QWidget *parent=NULL)
virtual ~QwtArrowButton ()
Qt::ArrowType arrowType () const
int num () const
virtual QSize sizeHint () const
virtual QSize minimumSizeHint () const

Protected Member Functions

virtual void paintEvent (QPaintEvent *event)
virtual void drawButtonLabel (QPainter *p)
virtual void drawArrow (QPainter *, const QRect &, Qt::ArrowType) const
virtual QRect labelRect () const
virtual QSize arrowSize (Qt::ArrowType, const QSize &boundingSize) const
virtual void keyPressEvent (QKeyEvent *)

Detailed Description

Arrow Button.

A push button with one or more filled triangles on its front. An Arrow button can have 1 to 3 arrows in a row, pointing up, down, left or right.

Constructor & Destructor Documentation

QwtArrowButton::QwtArrowButton ( int  num,
Qt::ArrowType  arrowType,
QWidget *  parent = NULL 
) [explicit]
Parameters:
num Number of arrows
arrowType see Qt::ArowType in the Qt docs.
parent Parent widget
QwtArrowButton::~QwtArrowButton (  )  [virtual]

Destructor.

Member Function Documentation

QSize QwtArrowButton::arrowSize ( Qt::ArrowType  arrowType,
const QSize &  boundingSize 
) const [protected, virtual]

Calculate the size for a arrow that fits into a rect of a given size

Parameters:
arrowType Arrow type
boundingSize Bounding size
Returns:
Size of the arrow
Qt::ArrowType QwtArrowButton::arrowType (  )  const

The direction of the arrows.

void QwtArrowButton::drawArrow ( QPainter *  painter,
const QRect &  r,
Qt::ArrowType  arrowType 
) const [protected, virtual]

Draw an arrow int a bounding rect

Parameters:
painter Painter
r Rectangle where to paint the arrow
arrowType Arrow type
void QwtArrowButton::drawButtonLabel ( QPainter *  painter  )  [protected, virtual]

Draw the button label.

Parameters:
painter Painter
See also:
The Qt Manual on QPushButton
void QwtArrowButton::keyPressEvent ( QKeyEvent *  e  )  [protected, virtual]

autoRepeat for the space keys

QRect QwtArrowButton::labelRect (  )  const [protected, virtual]
Returns:
the bounding rect for the label
QSize QwtArrowButton::minimumSizeHint (  )  const [virtual]

Return a minimum size hint.

int QwtArrowButton::num (  )  const

The number of arrows.

void QwtArrowButton::paintEvent ( QPaintEvent *  event  )  [protected, virtual]

Paint event handler

Parameters:
event Paint event
QSize QwtArrowButton::sizeHint (  )  const [virtual]
Returns:
a size hint
Generated on Wed Sep 2 18:37:23 2009 for Qwt User's Guide by  doxygen 1.6.1
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