QwtTextLabel Class Reference

A Widget which displays a QwtText. More...

#include <qwt_text_label.h>

Inheritance diagram for QwtTextLabel:

Classes
class	PrivateData

Public Slots
void	setText (const QString &, QwtText::TextFormat textFormat=QwtText::AutoText)
	Change the label's text, keeping all other QwtText attributes.
virtual void	setText (const QwtText &)
	Change the label's text.
void	clear ()
	Clear the text and all QwtText attributes.

Public Member Functions
	QwtTextLabel (QWidget *parent=nullptr)
	Constructs an empty label.
	QwtTextLabel (const QwtText &, QWidget *parent=nullptr)
	Constructs a label that displays the text.
	~QwtTextLabel () override
	Destructor.
void	setPlainText (const QString &)
	Interface for the designer plugin - does the same as setText()
QString	plainText () const
	Interface for the designer plugin.
const QwtText &	text () const
	Return the text.
int	indent () const
	Return label's text indent in pixels.
void	setIndent (int)
	Set label's text indent in pixels.
int	margin () const
	Return label's margin in pixels.
void	setMargin (int)
	Set label's margin in pixels.
virtual QSize	sizeHint () const override
	Return a size hint.
virtual QSize	minimumSizeHint () const override
	Return a minimum size hint.
virtual int	heightForWidth (int) const override
	Return the preferred height for a given width.
QRect	textRect () const
	Calculate geometry for the text in widget coordinates.
virtual void	drawText (QPainter *, const QRectF &)
	Redraw the text.

Protected Member Functions
virtual void	paintEvent (QPaintEvent *) override
	Paint event handler.
virtual void	drawContents (QPainter *)
	Draw the contents.

Properties
int	indent
int	margin
QString	plainText

Detailed Description

A Widget which displays a QwtText.

QwtTextLabel displays a text label supporting rich text formatting and rotated text. The text can be aligned horizontally and vertically.

See also

QwtText

Constructor & Destructor Documentation

QwtTextLabel() [1/2]

QwtTextLabel::QwtTextLabel ( QWidget *  parent = nullptr )

explicit

Constructs an empty label.

Parameters

parent

Parent widget

QwtTextLabel() [2/2]

QwtTextLabel::QwtTextLabel ( const QwtText &  text, QWidget *  parent = nullptr  )

explicit

Constructs a label that displays the text.

Parameters

parent	Parent widget
text	Text to display

Member Function Documentation

clear

void QwtTextLabel::clear ( )

slot

Clear the text and all QwtText attributes.

See also

setText()

drawContents()

void QwtTextLabel::drawContents ( QPainter *  painter )

protectedvirtual

Draw the contents.

Redraw the text and focus indicator.

drawText()

void QwtTextLabel::drawText ( QPainter *  painter, const QRectF &  textRect  )

virtual

Redraw the text.

Parameters

painter	Painter used for drawing
textRect	Rectangle where to draw the text

See also

drawContents()

heightForWidth()

int QwtTextLabel::heightForWidth ( int  width ) const

overridevirtual

Return the preferred height for a given width.

Parameters

width

Given width

Returns

Preferred height for this widget, given the width

See also

sizeHint(), minimumSizeHint()

indent()

int QwtTextLabel::indent

(

)

const

Return label's text indent in pixels.

Returns

Indent in pixels

See also

setIndent()

margin()

int QwtTextLabel::margin

(

)

const

Return label's margin in pixels.

Returns

Margin in pixels

See also

setMargin()

minimumSizeHint()

QSize QwtTextLabel::minimumSizeHint ( ) const

overridevirtual

Return a minimum size hint.

Returns

Minimum size hint

See also

sizeHint()

paintEvent()

void QwtTextLabel::paintEvent ( QPaintEvent *  event )

overrideprotectedvirtual

Paint event handler.

Qt paint event handler.

Parameters

event

Paint event

See also

drawContents(), paintEvent()

Reimplemented in QwtLegendLabel.

plainText()

QString QwtTextLabel::plainText

(

)

const

Interface for the designer plugin.

Returns

Text as plain text

See also

setPlainText(), text()

setIndent()

void QwtTextLabel::setIndent

(

int

indent

)

Set label's text indent in pixels.

Parameters

indent

Indentation in pixels

See also

indent()

setMargin()

void QwtTextLabel::setMargin

(

int

margin

)

Set label's margin in pixels.

Parameters

margin

Margin in pixels

See also

margin()

setPlainText()

void QwtTextLabel::setPlainText

(

const QString &

text

)

Interface for the designer plugin - does the same as setText()

Parameters

text	Plain text to set

See also

plainText()

setText [1/2]

void QwtTextLabel::setText ( const QString &  text, QwtText::TextFormat  textFormat = QwtText::AutoText  )

slot

Change the label's text, keeping all other QwtText attributes.

Parameters

text	New text
textFormat	Format of text

See also

QwtText

setText [2/2]

void QwtTextLabel::setText ( const QwtText &  text )

virtualslot

Change the label's text.

Parameters

text

New text

See also

setText(), clear()

Reimplemented in QwtLegendLabel.

sizeHint()

QSize QwtTextLabel::sizeHint ( ) const

overridevirtual

Return a size hint.

Returns

Size hint

See also

minimumSizeHint()

Reimplemented in QwtLegendLabel.

text()

const QwtText & QwtTextLabel::text

(

)

const

Return the text.

Returns

Current text

See also

setText(), plainText()

textRect()

QRect QwtTextLabel::textRect

(

)

const

Calculate geometry for the text in widget coordinates.

Returns

Geometry for the text

See also

drawText(), drawContents()

---

The documentation for this class was generated from the following files:

• /home/runner/work/QWT/QWT/src/plot/qwt_text_label.h
• /home/runner/work/QWT/QWT/src/plot/qwt_text_label.cpp