Elided Label

Just call this function and you're good to go.

<br />//! Set the elide mode used for displaying text.<br /> void setElideMode(Qt::TextElideMode elideMode) {<br /> elideMode_ = elideMode;<br /> updateGeometry();<br /> }<br />

#ifndef ELIDEDLABEL_H<br />#define ELIDEDLABEL_H

#include <QLabel>

/*<br />MIT - Yash : Speedovation.com [ Picked from internet and modified. if owner needs to add or change license do let me know.]<br />*/

class ElidedLabel : public QLabel {<br /> Q_OBJECT

public:<br /> ElidedLabel(QWidget '''parent = 0, Qt::WindowFlags f = 0);<br /> ElidedLabel(const QString &amp;txt, QWidget''' parent = 0, Qt::WindowFlags f = 0);<br /> ElidedLabel(const QString &amp;txt,<br /> Qt::TextElideMode elideMode = Qt::ElideRight,<br /> QWidget * parent = 0,<br /> Qt::WindowFlags f = 0);

public:<br /> //! Set the elide mode used for displaying text.<br /> void setElideMode(Qt::TextElideMode elideMode) {<br /> elideMode_ = elideMode;<br /> updateGeometry();<br /> }

//! Get the elide mode currently used to display text.<br /> Qt::TextElideMode elideMode() const { return elideMode_; }

public: // QLabel overrides<br /> void setText(const QString &amp;);

protected: // QLabel overrides<br /> void paintEvent(QPaintEvent ''');<br /> void resizeEvent(QResizeEvent''');

protected:<br /> //! Cache the elided text so as to not recompute it every paint event<br /> void cacheElidedText(int w);

private:<br /> Qt::TextElideMode elideMode_;<br /> QString cachedElidedText;<br />};

#endif // ELIDEDLABEL_HPP<br />

#include "ElidedLabel.h"

#include <QDebug><br />#include <QPainter><br />#include <QResizeEvent>

ElidedLabel::ElidedLabel(QWidget *parent, Qt::WindowFlags f)<br /> : QLabel(parent, f) , elideMode_(Qt::ElideRight)<br />{<br /> // setSizePolicy(QSizePolicy::Ignored, QSizePolicy::Preferred);<br />}

ElidedLabel::ElidedLabel(const QString &amp;txt, QWidget *parent, Qt::WindowFlags f)<br /> : QLabel(txt, parent, f) , elideMode_(Qt::ElideRight)<br />{<br />}

ElidedLabel::ElidedLabel(const QString &amp;txt, Qt::TextElideMode elideMode,<br /> QWidget *parent, Qt::WindowFlags f) : QLabel(txt, parent, f)<br /> , elideMode_(elideMode)<br />{<br />}

void ElidedLabel::setText(const QString &amp;txt) {<br /> QLabel::setText(txt);<br /> cacheElidedText(geometry().width());<br />}

void ElidedLabel::cacheElidedText(int w) {<br /> cachedElidedText = fontMetrics().elidedText(text(), elideMode_, w, Qt::TextShowMnemonic);<br />}

void ElidedLabel::resizeEvent(QResizeEvent *e) {<br /> QLabel::resizeEvent(e);<br /> cacheElidedText(e->size().width());<br />}

void ElidedLabel::paintEvent(QPaintEvent *e) {<br /> if(elideMode_ == Qt::ElideNone) {<br /> QLabel::paintEvent(e);<br /> } else {<br /> QPainter p(this);<br /> p.drawText(0, 0,<br /> geometry().width(),<br /> geometry().height(),<br /> alignment(),<br /> cachedElidedText);<br /> }<br />}