QwtLegendItem Class Reference

Inheritance diagram for QwtLegendItem:

[legend]Collaboration diagram for QwtLegendItem:

[legend]List of all members.

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Detailed Description

A legend label.

QwtLegendItem represents a curve on a legend. It displays an curve identifier with an explaining text. The identifier might be a combination of curve symbol and line. In readonly mode it behaves like a label, otherwise like an unstylish push button.

See also:

QwtLegend, QwtPlotCurve

Definition at line 35 of file qwt_legend_item.h.

Public Types
enum	IdentifierMode {   NoIdentifier = 0,   ShowLine = 1,   ShowSymbol = 2,   ShowText = 4 }
Public Slots
void	setChecked (bool on)
Signals
void	clicked ()
void	pressed ()
void	released ()
void	checked (bool)
Public Member Functions
	QwtLegendItem (QWidget *parent=0)
	QwtLegendItem (const QwtSymbol &, const QPen &, const QwtText &, QWidget *parent=0)
virtual	~QwtLegendItem ()
virtual void	setText (const QwtText &)
void	setItemMode (QwtLegend::LegendItemMode)
QwtLegend::LegendItemMode	itemMode () const
void	setIdentifierMode (int)
int	identifierMode () const
void	setIdentfierWidth (int width)
int	identifierWidth () const
void	setSpacing (int spacing)
int	spacing () const
void	setSymbol (const QwtSymbol &)
const QwtSymbol &	symbol () const
void	setCurvePen (const QPen &)
const QPen &	curvePen () const
virtual void	drawIdentifier (QPainter *, const QRect &) const
virtual void	drawItem (QPainter *p, const QRect &) const
virtual QSize	sizeHint () const
bool	isChecked () const
Protected Member Functions
void	setDown (bool)
bool	isDown () const
virtual void	paintEvent (QPaintEvent *)
virtual void	mousePressEvent (QMouseEvent *)
virtual void	mouseReleaseEvent (QMouseEvent *)
virtual void	keyPressEvent (QKeyEvent *)
virtual void	keyReleaseEvent (QKeyEvent *)
virtual void	drawText (QPainter *, const QRect &)

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Member Enumeration Documentation

enum QwtLegendItem::IdentifierMode

Identifier mode. Default is ShowLine | ShowText See also: QwtLegendItem::identifierMode, QwtLegendItem::setIdentifierMode Definition at line 47 of file qwt_legend_item.h.

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Constructor & Destructor Documentation

QwtLegendItem::QwtLegendItem (  QWidget *  parent = 0  )  [explicit]

Parameters: parent  Parent widget Definition at line 74 of file qwt_legend_item.cpp.

QwtLegendItem::QwtLegendItem (  const QwtSymbol &  symbol, const QPen &  curvePen, const QwtText &  text, QWidget *  parent = 0 )  [explicit]

Parameters: symbol  Curve symbol curvePen  Curve pen text  Label text parent  Parent widget Definition at line 87 of file qwt_legend_item.cpp. References symbol(), and QwtTextLabel::text().

QwtLegendItem::~QwtLegendItem (   )  [virtual]

Destructor. Definition at line 108 of file qwt_legend_item.cpp.

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Member Function Documentation

void QwtLegendItem::checked (  bool   )  [signal]

Signal, when the legend item has been toggled. Referenced by setDown().

void QwtLegendItem::clicked (   )  [signal]

Signal, when the legend item has been clicked. Referenced by setDown().

const QPen & QwtLegendItem::curvePen (   )  const

Returns: The curve pen. See also: setCurvePen() Definition at line 288 of file qwt_legend_item.cpp.

void QwtLegendItem::drawIdentifier (  QPainter *  painter, const QRect &  rect )  const [virtual]

Paint the identifier to a given rect. Parameters: painter  Painter rect  Rect where to paint Definition at line 298 of file qwt_legend_item.cpp. References QwtPainter::drawLine(), QwtPainter::metricsMap(), and QwtMetricsMap::screenToLayout(). Referenced by drawItem(), and paintEvent().

void QwtLegendItem::drawItem (  QPainter *  painter, const QRect &  rect )  const [virtual]

Draw the legend item to a given rect. Parameters: painter  Painter rect  Rect where to paint the button Definition at line 354 of file qwt_legend_item.cpp. References QwtText::draw(), drawIdentifier(), identifierWidth(), QwtTextLabel::margin(), QwtPainter::metricsMap(), QwtMetricsMap::screenToLayoutX(), spacing(), and QwtTextLabel::text().

void QwtLegendItem::drawText (  QPainter *  , const QRect &  )  [protected, virtual]

Redraw the text. Reimplemented from QwtTextLabel. Definition at line 535 of file qwt_legend_item.cpp. References QwtTextLabel::drawText().

int QwtLegendItem::identifierMode (   )  const

Or'd values of IdentifierMode. See also: setIdentifierMode(), IdentifierMode Definition at line 186 of file qwt_legend_item.cpp.

int QwtLegendItem::identifierWidth (   )  const

Return the width of the identifier See also: setIdentfierWidth Definition at line 214 of file qwt_legend_item.cpp. Referenced by drawItem().

QwtLegend::LegendItemMode QwtLegendItem::itemMode (   )  const

Return the item mode See also: setItemMode() Definition at line 161 of file qwt_legend_item.cpp.

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

Qt paint event. Reimplemented from QwtTextLabel. Definition at line 378 of file qwt_legend_item.cpp. References QwtTextLabel::drawContents(), drawIdentifier(), and QwtTextLabel::margin().

void QwtLegendItem::pressed (   )  [signal]

Signal, when the legend item has been pressed. Referenced by setDown().

void QwtLegendItem::released (   )  [signal]

Signal, when the legend item has been relased. Referenced by setDown().

void QwtLegendItem::setCurvePen (  const QPen &  pen  )

Set curve pen. Parameters: pen  Curve pen See also: curvePen() Definition at line 275 of file qwt_legend_item.cpp.

void QwtLegendItem::setIdentfierWidth (  int  width  )

Set the width for the identifier Default is 8 pixels Parameters: width  New width See also: identifierMode(), identifierWidth Definition at line 199 of file qwt_legend_item.cpp. References QwtTextLabel::margin(), and QwtTextLabel::setIndent().

void QwtLegendItem::setIdentifierMode (  int  mode  )

Set identifier mode. Default is ShowLine | ShowText. Parameters: mode  Or'd values of IdentifierMode See also: identifierMode() Definition at line 173 of file qwt_legend_item.cpp.

void QwtLegendItem::setItemMode (  QwtLegend::LegendItemMode  mode  )

Set the item mode The default is QwtLegend::ReadOnlyItem Parameters: mode  Item mode See also: itemMode() Definition at line 142 of file qwt_legend_item.cpp. References QwtTextLabel::setMargin().

void QwtLegendItem::setSpacing (  int  spacing  )

Change the spacing Parameters: spacing  Spacing See also: spacing(), identifierWidth(), QwtTextLabel::margin() Definition at line 224 of file qwt_legend_item.cpp. References QwtTextLabel::margin(), and QwtTextLabel::setIndent().

void QwtLegendItem::setSymbol (  const QwtSymbol &  symbol  )

Set curve symbol. Parameters: symbol  Symbol See also: symbol() Definition at line 250 of file qwt_legend_item.cpp. References symbol().

void QwtLegendItem::setText (  const QwtText &  text  )  [virtual]

Set the text to the legend item Parameters: text  Text label See also: QwtTextLabel::text() Reimplemented from QwtTextLabel. Definition at line 120 of file qwt_legend_item.cpp. References QwtText::setRenderFlags(), QwtTextLabel::setText(), and QwtTextLabel::text().

QSize QwtLegendItem::sizeHint (   )  const [virtual]

Return label's margin in pixels. Reimplemented from QwtTextLabel. Definition at line 526 of file qwt_legend_item.cpp. References QwtTextLabel::sizeHint().

int QwtLegendItem::spacing (   )  const

Return the spacing See also: setSpacing(), identifierWidth(), QwtTextLabel::margin() Definition at line 239 of file qwt_legend_item.cpp. Referenced by drawItem().

const QwtSymbol & QwtLegendItem::symbol (   )  const

Returns: The curve symbol. See also: setSymbol() Definition at line 263 of file qwt_legend_item.cpp. Referenced by QwtLegendItem(), and setSymbol().

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