QwtArrowButton(3) | Qwt User's Guide | QwtArrowButton(3) |
NAME¶
QwtArrowButton -SYNOPSIS¶
#include <qwt_arrow_button.h>
Public Member Functions¶
QwtArrowButton (int num, Qt::ArrowType, QWidget *parent=NULL)
virtual ~QwtArrowButton ()
Qt::ArrowType arrowType () const
virtual QSize minimumSizeHint () const
int num () const
virtual QSize sizeHint () const
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
arrowType see Qt::ArowType 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 rect of a given sizeParameters:
arrowType Arrow type
boundingSize Bounding size
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 rectParameters:
painter Painter
r Rectangle where to paint the arrow
arrowType Arrow type
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
QRect QwtArrowButton::labelRect () const [protected], [virtual]¶
Returns:the bounding rect for the label
void QwtArrowButton::paintEvent (QPaintEvent *event) [protected], [virtual]¶
Paint event handlerParameters:
event Paint event
QSize QwtArrowButton::sizeHint () const [virtual]¶
Returns:a size hint
Author¶
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