QwtArrowButton (3) Linux Manual Page
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 *p)
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 (intnum, Qt::ArrowTypearrowType, 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::ArrowTypearrowType, 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::ArrowTypearrowType) 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