QwtArrowButton Class Reference

Arrow Button. More...

#include <qwt_arrow_button.h>

Inheritance diagram for QwtArrowButton:

Public Member Functions
	QwtArrowButton (int num, Qt::ArrowType, QWidget *parent=NULL)
virtual	~QwtArrowButton ()
	Destructor.
Qt::ArrowType	arrowType () const
	The direction of the arrows.
int	num () const
	The number of arrows.
virtual QSize	sizeHint () const
virtual QSize	minimumSizeHint () const
	Return a minimum size hint.

Protected Member Functions
virtual void	paintEvent (QPaintEvent *event)
virtual void	drawButtonLabel (QPainter *)
	Draw the button label. More...
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 *)
	autoRepeat for the space keys

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::QwtArrowButton ( int  num, Qt::ArrowType  arrowType, QWidget *  parent = NULL  )

explicit

Parameters

num	Number of arrows
arrowType	see Qt::ArrowType in the Qt docs.
parent	Parent widget

Member Function Documentation

arrowSize()

QSize QwtArrowButton::arrowSize ( Qt::ArrowType  arrowType, const QSize &  boundingSize  ) const

protectedvirtual

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

Parameters

arrowType	Arrow type
boundingSize	Bounding size

Returns

Size of the arrow

drawArrow()

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

protectedvirtual

Draw an arrow int a bounding rectangle

Parameters

painter	Painter
r	Rectangle where to paint the arrow
arrowType	Arrow type

drawButtonLabel()

void QwtArrowButton::drawButtonLabel ( QPainter *  painter )

protectedvirtual

Draw the button label.

Parameters

painter

Painter

See also

The Qt Manual for QPushButton

labelRect()

QRect QwtArrowButton::labelRect ( ) const

protectedvirtual

Returns

the bounding rectangle for the label

paintEvent()

void QwtArrowButton::paintEvent ( QPaintEvent *  event )

protectedvirtual

Paint event handler

Parameters

event

Paint event

sizeHint()

QSize QwtArrowButton::sizeHint ( ) const

virtual

Returns

a size hint