/*!
\reimp
*/
bool QButtonGroup::event( QEvent * e )
{
if ( e->type() == QEvent::ChildInserted ) {
QChildEvent * ce = (QChildEvent *) e;
if ( radio_excl && ::qt_cast<QRadioButton*>(ce->child()) ) {
QButton * button = (QButton *) ce->child();
if ( button->isToggleButton() && !button->isOn() &&
selected() && (selected()->focusPolicy() & TabFocus) != 0 )
button->setFocusPolicy( (FocusPolicy)(button->focusPolicy() &
~TabFocus) );
}
}
return QGroupBox::event( e );
}
void QButtonGroup::buttonToggled( bool on )
{
// introduce a QButtonListIt if calling anything
if ( !on || !excl_grp && !radio_excl )
return;
QButton *bt = ::qt_cast<QButton*>(sender()); // object that sent the signal
#if defined(QT_CHECK_NULL)
Q_ASSERT( bt );
Q_ASSERT( bt->isToggleButton() );
#endif
if ( !excl_grp && !::qt_cast<QRadioButton*>(bt) )
return;
QButtonItem * i = buttons->first();
bool hasTabFocus = FALSE;
while( i != 0 && hasTabFocus == FALSE ) {
if ( ( excl_grp || ::qt_cast<QRadioButton*>(i->button) ) &&
(i->button->focusPolicy() & TabFocus) )
hasTabFocus = TRUE;
i = buttons->next();
}
i = buttons->first();
while( i ) {
if ( bt != i->button &&
i->button->isToggleButton() &&
i->button->isOn() &&
( excl_grp || ::qt_cast<QRadioButton*>(i->button) ) )
i->button->setOn( FALSE );
if ( ( excl_grp || ::qt_cast<QRadioButton*>(i->button) ) &&
i->button->isToggleButton() &&
hasTabFocus )
i->button->setFocusPolicy( (FocusPolicy)(i->button->focusPolicy() &
~TabFocus) );
i = buttons->next();
}
if ( hasTabFocus )
bt->setFocusPolicy( (FocusPolicy)(bt->focusPolicy() | TabFocus) );
}