QwtLegendItem(3) Qwt User's Guide QwtLegendItem(3)NAMEQwtLegendItem-
A legend label.
SYNOPSIS
#include <qwt_legend_item.h>
Inherits QwtTextLabel.
Public Types
enum IdentifierMode { NoIdentifier = 0, ShowLine = 1, ShowSymbol =
2, ShowText = 4 }
Public Slots
void clear ()
void setChecked (bool on)
void setText (const QString &, QwtText::TextFormat
textFormat=QwtText::AutoText)
Signals
void checked (bool)
void clicked ()
void pressed ()
void released ()
Public Member Functions
const QPen & curvePen () const
virtual void drawIdentifier (QPainter *, const QRect &) const
virtual void drawItem (QPainter *p, const QRect &) const
virtual int heightForWidth (int) const
int identifierMode () const
int identifierWidth () const
int indent () const
bool isChecked () const
QwtLegend::LegendItemMode itemMode () const
int margin () const
virtual QSize minimumSizeHint () const
QwtLegendItem (QWidget *parent=0)
QwtLegendItem (const QwtSymbol &, const QPen &, const QwtText &,
QWidget *parent=0)
void setCurvePen (const QPen &)
void setIdentifierMode (int)
void setIdentifierWidth (int width)
void setIndent (int)
void setItemMode (QwtLegend::LegendItemMode)
void setMargin (int)
void setSpacing (int spacing)
void setSymbol (const QwtSymbol &)
virtual void setText (const QwtText &)
virtual QSize sizeHint () const
int spacing () const
const QwtSymbol & symbol () const
const QwtText & text () const
QRect textRect () const
virtual ~QwtLegendItem ()
Protected Member Functions
virtual void drawContents (QPainter *)
virtual void drawText (QPainter *, const QRect &)
bool isDown () const
virtual void keyPressEvent (QKeyEvent *)
virtual void keyReleaseEvent (QKeyEvent *)
virtual void mousePressEvent (QMouseEvent *)
virtual void mouseReleaseEvent (QMouseEvent *)
virtual void paintEvent (QPaintEvent *)
void setDown (bool)
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
Member Enumeration Documentation
enum QwtLegendItem::IdentifierMode
Identifier mode. Default is ShowLine | ShowText
See also:
identifierMode(), setIdentifierMode()Constructor & Destructor Documentation
QwtLegendItem::QwtLegendItem (QWidget *parent = 0) [explicit] Parameters:
parent Parent widget
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
QwtLegendItem::~QwtLegendItem () [virtual]
Destructor.
Member Function Documentation
void QwtLegendItem::checked (bool) [signal]
Signal, when the legend item has been toggled.
void QwtTextLabel::clear () [slot, inherited]
Clear the text and all QwtText attributes.
void QwtLegendItem::clicked () [signal]
Signal, when the legend item has been clicked.
const QPen & QwtLegendItem::curvePen () const Returns:
The curve pen.
See also:
setCurvePen()
void QwtTextLabel::drawContents (QPainter *painter) [protected, virtual,
inherited]
Redraw the text and focus indicator.
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
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
void QwtLegendItem::drawText (QPainter *painter, const QRect &textRect)
[protected, virtual]
Redraw the text.
Reimplemented from QwtTextLabel.
int QwtTextLabel::heightForWidth (intwidth) const [virtual, inherited]
Returns the preferred height for this widget, given the width.
Parameters:
width Width
int QwtLegendItem::identifierMode () const Or'd values of IdentifierMode.
See also:
setIdentifierMode(), IdentifierMode
int QwtLegendItem::identifierWidth () const Return the width of the
identifier
See also:
setIdentifierWidth()
int QwtTextLabel::indent () const [inherited]
Return label's text indent in pixels.
bool QwtLegendItem::isChecked () const
Return true, if the item is checked.
bool QwtLegendItem::isDown () const [protected]
Return true, if the item is down.
QwtLegend::LegendItemMode QwtLegendItem::itemMode () const Return the item
mode
See also:
setItemMode()
void QwtLegendItem::keyPressEvent (QKeyEvent *e) [protected, virtual]
Handle key press events.
void QwtLegendItem::keyReleaseEvent (QKeyEvent *e) [protected, virtual]
Handle key release events.
int QwtTextLabel::margin () const [inherited]
Return label's text indent in pixels.
QSize QwtTextLabel::minimumSizeHint () const [virtual, inherited]
Return a minimum size hint.
void QwtLegendItem::mousePressEvent (QMouseEvent *e) [protected, virtual]
Handle mouse press events.
void QwtLegendItem::mouseReleaseEvent (QMouseEvent *e) [protected, virtual]
Handle mouse release events.
void QwtLegendItem::paintEvent (QPaintEvent *e) [protected, virtual]
Paint event.
Reimplemented from QwtTextLabel.
void QwtLegendItem::pressed () [signal]
Signal, when the legend item has been pressed.
void QwtLegendItem::released () [signal]
Signal, when the legend item has been relased.
void QwtLegendItem::setChecked (boolon) [slot] Check/Uncheck a the item
Parameters:
on check/uncheck
See also:
setItemMode()
void QwtLegendItem::setCurvePen (const QPen &pen) Set curve pen.
Parameters:
pen Curve pen
See also:
curvePen()
void QwtLegendItem::setDown (booldown) [protected]
Set the item being down.
void QwtLegendItem::setIdentifierMode (intmode) Set identifier mode.
Default is ShowLine | ShowText.
Parameters:
mode Or'd values of IdentifierMode
See also:
identifierMode()
void QwtLegendItem::setIdentifierWidth (intwidth) Set the width for the
identifier Default is 8 pixels
Parameters:
width New width
See also:
identifierMode(), identifierWidth()
void QwtTextLabel::setIndent (intindent) [inherited] Set label's text
indent in pixels
Parameters:
indent Indentation in pixels
void QwtLegendItem::setItemMode (QwtLegend::LegendItemModemode) Set the
item mode The default is QwtLegend::ReadOnlyItem
Parameters:
mode Item mode
See also:
itemMode()
void QwtTextLabel::setMargin (intmargin) [inherited] Set label's margin in
pixels
Parameters:
margin Margin in pixels
void QwtLegendItem::setSpacing (intspacing) Change the spacing
Parameters:
spacing Spacing
See also:
spacing(), identifierWidth(), QwtTextLabel::margin()
void QwtLegendItem::setSymbol (const QwtSymbol &symbol) Set curve symbol.
Parameters:
symbol Symbol
See also:
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.
void QwtTextLabel::setText (const QString &text,
QwtText::TextFormattextFormat = QwtText::AutoText) [slot, inherited]
Change the label's text, keeping all other QwtText attributes
Parameters:
text New text
textFormat Format of text
See also:
QwtText
QSize QwtLegendItem::sizeHint () const [virtual]
Return a size hint.
Reimplemented from QwtTextLabel.
int QwtLegendItem::spacing () const Return the spacing
See also:
setSpacing(), identifierWidth(), QwtTextLabel::margin()
const QwtSymbol & QwtLegendItem::symbol () const Returns:
The curve symbol.
See also:
setSymbol()
const QwtText & QwtTextLabel::text () const [inherited]
Return the text.
QRect QwtTextLabel::textRect () const [inherited] Calculate the rect for
the text in widget coordinates
Returns:
Text rect
Author
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Version 5.2.2 Mon Aug 1 2011 QwtLegendItem(3)
