[UI] Overlay-specific text label
void setText(const QString &_rqsText)
[override] QLabel::setText( const QString& )
COverlayText(QWidget *_pqParent=0)
QString formatString(const QString &_rqsString)
Returns the string properly formatted if it is undefined (empty)
const QString & emptyString()
Returns the string corresponding to undefined (empty) content ("n/a" in English)
void resetText()
Resets (clears) the underlying QLabel's text.