QwtTextLabel类 参考

A Widget which displays a QwtText 更多...

#include <qwt_text_label.h>

类 QwtTextLabel 继承关系图:

类
class	PrivateData

Public 槽
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 成员函数
	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 成员函数
virtual void	paintEvent (QPaintEvent *) override
	Paint event handler
virtual void	drawContents (QPainter *)
	Draw the contents

属性
int	indent
int	margin
QString	plainText

详细描述

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.

参见

QwtText

构造及析构函数说明

QwtTextLabel() [1/2]

QwtTextLabel::QwtTextLabel ( QWidget *  parent = nullptr )

explicit

Constructs an empty label

参数

parent

Parent widget

QwtTextLabel() [2/2]

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

explicit

Constructs a label that displays the text

参数

parent	Parent widget
text	Text to display

成员函数说明

clear

void QwtTextLabel::clear ( )

slot

Clear the text and all QwtText attributes

参见

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

参数

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

参见

drawContents()

heightForWidth()

int QwtTextLabel::heightForWidth ( int  width ) const

overridevirtual

Return the preferred height for a given width

参数

width

Given width

返回

Preferred height for this widget, given the width

参见

sizeHint(), minimumSizeHint()

indent()

int QwtTextLabel::indent

(

)

const

Return label's text indent in pixels

返回

Indent in pixels

参见

setIndent()

margin()

int QwtTextLabel::margin

(

)

const

Return label's margin in pixels

返回

Margin in pixels

参见

setMargin()

minimumSizeHint()

QSize QwtTextLabel::minimumSizeHint ( ) const

overridevirtual

Return a minimum size hint

返回

Minimum size hint

参见

sizeHint()

paintEvent()

void QwtTextLabel::paintEvent ( QPaintEvent *  event )

overrideprotectedvirtual

Paint event handler

Qt paint event handler

参数

event

Paint event

参见

drawContents(), paintEvent()

被 QwtLegendLabel 重载.

plainText()

QString QwtTextLabel::plainText

(

)

const

Interface for the designer plugin

返回

Text as plain text

参见

setPlainText(), text()

setIndent()

void QwtTextLabel::setIndent

(

int

indent

)

Set label's text indent in pixels

参数

indent

Indentation in pixels

参见

indent()

setMargin()

void QwtTextLabel::setMargin

(

int

margin

)

Set label's margin in pixels

参数

margin

Margin in pixels

参见

margin()

setPlainText()

void QwtTextLabel::setPlainText

(

const QString &

text

)

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

参数

text	Plain text to set

参见

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

参数

text	New text
textFormat	Format of text

参见

QwtText

setText [2/2]

void QwtTextLabel::setText ( const QwtText &  text )

virtualslot

Change the label's text

参数

text

New text

参见

setText(), clear()

被 QwtLegendLabel 重载.

sizeHint()

QSize QwtTextLabel::sizeHint ( ) const

overridevirtual

Return a size hint

返回

Size hint

参见

minimumSizeHint()

被 QwtLegendLabel 重载.

text()

const QwtText & QwtTextLabel::text

(

)

const

Return the text

返回

Current text

参见

setText(), plainText()

textRect()

QRect QwtTextLabel::textRect

(

)

const

Calculate geometry for the text in widget coordinates

返回

Geometry for the text

参见

drawText(), drawContents()

---

该类的文档由以下文件生成:

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