290,160,100,30);
all->setGeometry(290,200,100,30);
clear->setGeometry(290,240,100,30);
Undo->setEnabled...(false);
Redo->setEnabled(false);
Cut->setEnabled(false);
Copy->setEnabled(false);
/..., this ,SLOT(onselectionChanged()));
}
void Widget::oncopyAvailable ( bool yes )
{
Cut->setEnabled...(yes);
Copy->setEnabled(yes);
}
void Widget::onredoAvailable( bool available )
{
Redo...->setEnabled(available);
}
void Widget::onundoAvailable ( bool available )
{
Undo->setEnabled