31 #include <QMouseEvent> 
   34   : QPushButton(tr(
"&Help"), parent)
 
   50   QPushButton::mousePressEvent(e);
 
   52   if(e->button() == Qt::LeftButton)
 
static HelpManager & getInstance()
It returns a reference to the singleton instance. 
 
A singleton that contains a pointer to a help manager implementation.