NAME¶

QwtLegend - The legend widget.

SYNOPSIS¶

#include <qwt_legend.h>

Public Types¶

enum LegendItemMode { ReadOnlyItem, ClickableItem, CheckableItem }

Public Member Functions¶

QwtLegend (QWidget *parent=NULL) virtual ~QwtLegend () void setItemMode (LegendItemMode) LegendItemMode itemMode () const QWidget * contentsWidget () const QWidget * contentsWidget () const void insert (const QwtLegendItemManager *, QWidget *) void remove (const QwtLegendItemManager *) QWidget * find (const QwtLegendItemManager *) const QwtLegendItemManager * find (const QWidget *) const virtual QList< QWidget * > legendItems () const void clear () bool isEmpty () const uint itemCount () const virtual bool eventFilter (QObject *, QEvent *) virtual QSize sizeHint () const virtual int heightForWidth (int w) const QScrollBar * horizontalScrollBar () const QScrollBar * verticalScrollBar () const

Protected Member Functions¶

virtual void layoutContents ()

Detailed Description¶

The legend widget. The QwtLegend widget is a tabular arrangement of legend items. Legend items might be any type of widget, but in general they will be a QwtLegendItem. See also:

Member Enumeration Documentation¶

enum QwtLegend::LegendItemMode¶

Interaction mode for the legend items. The default is QwtLegend::ReadOnlyItem. See also: Enumerator:

ReadOnlyItem

The legend item is not interactive, like a label.

ClickableItem

The legend item is clickable, like a push button.

CheckableItem

The legend item is checkable, like a checkable button.

Constructor & Destructor Documentation¶

QwtLegend::QwtLegend (QWidget *parent = NULL) [explicit] Constructor¶

Parameters:

QwtLegend::~QwtLegend () [virtual]¶

Destructor.

Member Function Documentation¶

void QwtLegend::clear ()¶

Remove all items.

QWidget * QwtLegend::contentsWidget () The contents widget is the only child of the viewport of the internal QScrollArea and the parent widget of all legend items.¶

Returns:

const QWidget * QwtLegend::contentsWidget () const The contents widget is the only child of the viewport of the internal QScrollArea and the parent widget of all legend items.¶

Returns:

bool QwtLegend::eventFilter (QObject *object, QEvent *event) [virtual] Handle QEvent::ChildRemoved andQEvent::LayoutRequest events for the contentsWidget().¶

Parameters:

QwtLegendItemManager * QwtLegend::find (const QWidget *legendItem) const Find the widget that represents a plot item¶

Parameters: Returns:

QWidget * QwtLegend::find (const QwtLegendItemManager *plotItem) const Find the widget that represents a plot item¶

Parameters: Returns:

int QwtLegend::heightForWidth (intwidth) const [virtual] Returns:¶

Parameters:

QScrollBar * QwtLegend::horizontalScrollBar () const Returns:¶

See also:

void QwtLegend::insert (const QwtLegendItemManager *plotItem, QWidget *legendItem) Insert a new item for a plot item¶

Parameters: Note:

bool QwtLegend::isEmpty () const¶

Return true, if there are no legend items.

uint QwtLegend::itemCount () const¶

Return the number of legend items.

QwtLegend::LegendItemMode QwtLegend::itemMode () const See also:¶

void QwtLegend::layoutContents () [protected, virtual] Adjust contents widget and item layout to the size of the viewport().¶

QList< QWidget * > QwtLegend::legendItems () const [virtual]¶

Return a list of all legend items.

void QwtLegend::remove (const QwtLegendItemManager *plotItem) Find the corresponding item for a plotItem and remove it from the item list.¶

Parameters:

void QwtLegend::setItemMode ( LegendItemModemode) See also:¶

QSize QwtLegend::sizeHint () const [virtual]¶

Return a size hint.

QScrollBar * QwtLegend::verticalScrollBar () const Returns:¶

See also:

Author¶

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