---
name: "QwtTextLabel"
section: "3"
platform: "linux"
package: "libqwt-doc"
version: "6.1.4-2"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/QwtTextLabel"
---

# QwtTextLabel(3)

A Widget which displays a QwtText.

## NAME

QwtTextLabel - A Widget which displays a **QwtText**.

## SYNOPSIS

`#include <qwt_text_label.h>`

Inherits QFrame.

Inherited by **QwtLegendLabel**.

### Public Slots

void **setText** (const QString &, **QwtText::TextFormat** textFormat=**QwtText::AutoText**)\
 virtual void **setText** (const **QwtText** &)\
 void **clear** ()\
 Clear the text and all **QwtText** attributes.

### Public Member Functions

**QwtTextLabel** (QWidget \*parent=NULL)\
 **QwtTextLabel** (const **QwtText** &, QWidget \*parent=NULL)\
 virtual **~QwtTextLabel** ()\
 Destructor.  void **setPlainText** (const QString &)\
 QString **plainText** () const\
 const **QwtText** & **text** () const\
 Return the text.  int **indent** () const\
 Return label's text indent in pixels.  void **setIndent** (int)\
 int **margin** () const\
 Return label's text margin in pixels.  void **setMargin** (int)\
 virtual QSize **sizeHint** () const\
 Return a size hint.  virtual QSize **minimumSizeHint** () const\
 Return a minimum size hint.  virtual int **heightForWidth** (int) const\
 QRect **textRect** () const\
 virtual void **drawText** (QPainter \*, const QRectF &)\
 Redraw the text.

### Protected Member Functions

virtual void **paintEvent** (QPaintEvent \*)\
 virtual void **drawContents** (QPainter \*)\
 Redraw the text and focus indicator.

## Detailed Description

A Widget which displays a **QwtText**.

## Constructor & Destructor Documentation

### QwtTextLabel::QwtTextLabel (QWidget \* parent = `NULL`)` [explicit]`

Constructs an empty label.

**Parameters:**

*parent* Parent widget

### QwtTextLabel::QwtTextLabel (const QwtText & text, QWidget \* parent = `NULL`)` [explicit]`

Constructs a label that displays the text, text

**Parameters:**

*parent* Parent widget \
 *text* Text

## Member Function Documentation

### int QwtTextLabel::heightForWidth (int width) const` [virtual]`

**Parameters:**

*width* Width

**Returns:**

Preferred height for this widget, given the width.

### void QwtTextLabel::paintEvent (QPaintEvent \* event)` [protected]`, ` [virtual]`

Qt paint event

**Parameters:**

*event* Paint event

Reimplemented in **QwtLegendLabel**.

### QString QwtTextLabel::plainText () const

Interface for the designer plugin

**Returns:**

Text as plain text

**See also:**

**setPlainText()**, **text()**

### void QwtTextLabel::setIndent (int indent)

Set label's text indent in pixels

**Parameters:**

*indent* Indentation in pixels

### void QwtTextLabel::setMargin (int margin)

Set label's margin in pixels

**Parameters:**

*margin* Margin in pixels

### void QwtTextLabel::setPlainText (const QString & text)

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

**See also:**

**plainText()**

### 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**

### void QwtTextLabel::setText (const QwtText & text)` [virtual]`, ` [slot]`

Change the label's text

**Parameters:**

*text* New text

Reimplemented in **QwtLegendLabel**.

### QRect QwtTextLabel::textRect () const

Calculate geometry for the text in widget coordinates

**Returns:**

Geometry for the text

## Author

Generated automatically by Doxygen for Qwt User's Guide from the source code.