QwtArrowButton man page

QwtArrowButton —

Arrow Button.


#include <qwt_arrow_button.h>

Public Member Functions

Qt::ArrowType arrowType () const

virtual QSize minimumSizeHint () const

int num () const

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

virtual QSize sizeHint () const

virtual ~QwtArrowButton ()

Protected Member Functions

virtual QSize arrowSize (Qt::ArrowType, const QSize &boundingSize) const

virtual void drawArrow (QPainter *, const QRect &, Qt::ArrowType) const

virtual void drawButtonLabel (QPainter *p)

virtual void keyPressEvent (QKeyEvent *)

virtual QRect labelRect () const

virtual void paintEvent (QPaintEvent *event)

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 (intnum, Qt::ArrowTypearrowType, QWidget *parent = NULL) [explicit] Parameters

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

QwtArrowButton::~QwtArrowButton () [virtual]


Member Function Documentation

QSize QwtArrowButton::arrowSize (Qt::ArrowTypearrowType, const QSize &boundingSize) const [protected, virtual] Calculate the size for a arrow that fits into a rect of a given size


arrowType Arrow type
boundingSize Bounding size


Size of the arrow

Qt::ArrowType QwtArrowButton::arrowType () const

The direction of the arrows.

void QwtArrowButton::drawArrow (QPainter *painter, const QRect &r, Qt::ArrowTypearrowType) const [protected, virtual] Draw an arrow int a bounding rect


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


event Paint event

QSize QwtArrowButton::sizeHint () const [virtual] Returns

a size hint


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Qwt User's Guide Version 5.2.2 Mon Aug 1 2011