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QwtArrowButton

NAME

QwtArrowButton -

SYNOPSIS

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.

Definition at line 23 of file qwt_arrow_button.h.

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 *)

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

Definition at line 58 of file qwt_arrow_button.cpp.

QwtArrowButton::~QwtArrowButton () [virtual]

Destructor.

Definition at line 83 of file qwt_arrow_button.cpp.

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

Definition at line 331 of file qwt_arrow_button.cpp.

Referenced by drawButtonLabel(), and minimumSizeHint().

Qt::ArrowType QwtArrowButton::arrowType () const

The direction of the arrows.

Definition at line 92 of file qwt_arrow_button.cpp.

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

Definition at line 240 of file qwt_arrow_button.cpp.

Referenced by drawButtonLabel().

void QwtArrowButton::drawButtonLabel (QPainter * painter) [protected, virtual]

Draw the button label.

Parameters:

painter Painter

See also:

The Qt Manual on QPushButton

Definition at line 157 of file qwt_arrow_button.cpp.

References arrowSize(), drawArrow(), and labelRect().

Referenced by paintEvent().

void QwtArrowButton::keyPressEvent (QKeyEvent *) [protected, virtual]

autoRepeat for the space keys

Definition at line 361 of file qwt_arrow_button.cpp.

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

Returns:

the bounding rect for the label

Definition at line 108 of file qwt_arrow_button.cpp.

Referenced by drawButtonLabel().

QSize QwtArrowButton::minimumSizeHint () const [virtual]

Return a minimum size hint.

Definition at line 294 of file qwt_arrow_button.cpp.

References arrowSize().

Referenced by sizeHint().

int QwtArrowButton::num () const

The number of arrows.

Definition at line 100 of file qwt_arrow_button.cpp.

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

Paint event handler

Parameters:

event Paint event

Definition at line 143 of file qwt_arrow_button.cpp.

References drawButtonLabel().

QSize QwtArrowButton::sizeHint () const [virtual]

Returns:

a size hint

Definition at line 286 of file qwt_arrow_button.cpp.

References minimumSizeHint().

Author

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