QwtArrowButton

NAME

QwtArrowButton - Arrow Button.

SYNOPSIS

#include <qwt_arrow_button.h>

Inherits QPushButton.

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.
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 (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

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

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

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

Draw an arrow int a bounding rectangle

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 for QPushButton

QRect QwtArrowButton::labelRect () const [protected], [virtual]

Returns:

the bounding rectangle for the label

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

Paint event handler

Parameters:

event Paint event

QSize QwtArrowButton::sizeHint () const [virtual]

Returns:

a size hint

Author

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