bool
ConfigDelegateBase::editorEvent ( QEvent* event, QAbstractItemModel* model, const QStyleOptionViewItem& option, const QModelIndex& index )
{
QStyleOptionViewItemV4 viewOpt( option );
initStyleOption( &viewOpt, index );
if( event->type() == QEvent::MouseButtonRelease || event->type() == QEvent::MouseButtonDblClick ) {
m_configPressed = QModelIndex();
QMouseEvent* me = static_cast< QMouseEvent* >( event );
if( me->button() != Qt::LeftButton || !checkRectForIndex( option, index ).contains( me->pos() ) )
return false;
// eat the double click events inside the check rect
if( event->type() == QEvent::MouseButtonDblClick ) {
return true;
}
Qt::CheckState curState = static_cast< Qt::CheckState >( index.data( Qt::CheckStateRole ).toInt() );
Qt::CheckState newState = curState == Qt::Checked ? Qt::Unchecked : Qt::Checked;
return model->setData( index, newState, Qt::CheckStateRole );
} else if( event->type() == QEvent::MouseButtonPress ) {
QMouseEvent* me = static_cast< QMouseEvent* >( event );
if( me->button() == Qt::LeftButton && configRectForIndex( option, index ).contains( me->pos() ) ) {
m_configPressed = index;
emit configPressed( index );
return true;
}
}
return QStyledItemDelegate::editorEvent( event, model, option, index );
}
/*!
\reimp
*/
bool QStyledItemDelegate::editorEvent(QEvent *event,
QAbstractItemModel *model,
const QStyleOptionViewItem &option,
const QModelIndex &index)
{
Q_ASSERT(event);
Q_ASSERT(model);
// make sure that the item is checkable
Qt::ItemFlags flags = model->flags(index);
if (!(flags & Qt::ItemIsUserCheckable) || !(option.state & QStyle::State_Enabled)
|| !(flags & Qt::ItemIsEnabled))
return false;
// make sure that we have a check state
QVariant value = index.data(Qt::CheckStateRole);
if (!value.isValid())
return false;
const QWidget *widget = QStyledItemDelegatePrivate::widget(option);
QStyle *style = widget ? widget->style() : QApplication::style();
// make sure that we have the right event type
if ((event->type() == QEvent::MouseButtonRelease)
|| (event->type() == QEvent::MouseButtonDblClick)
|| (event->type() == QEvent::MouseButtonPress)) {
QStyleOptionViewItem viewOpt(option);
initStyleOption(&viewOpt, index);
QRect checkRect = style->subElementRect(QStyle::SE_ItemViewItemCheckIndicator, &viewOpt, widget);
QMouseEvent *me = static_cast<QMouseEvent*>(event);
if (me->button() != Qt::LeftButton || !checkRect.contains(me->pos()))
return false;
if ((event->type() == QEvent::MouseButtonPress)
|| (event->type() == QEvent::MouseButtonDblClick))
return true;
} else if (event->type() == QEvent::KeyPress) {
if (static_cast<QKeyEvent*>(event)->key() != Qt::Key_Space
&& static_cast<QKeyEvent*>(event)->key() != Qt::Key_Select)
return false;
} else {
return false;
}
Qt::CheckState state = static_cast<Qt::CheckState>(value.toInt());
if (flags & Qt::ItemIsUserTristate)
state = ((Qt::CheckState)((state + 1) % 3));
else
state = (state == Qt::Checked) ? Qt::Unchecked : Qt::Checked;
return model->setData(index, state, Qt::CheckStateRole);
}
bool CheckStateItemDelegate::editorEvent( QEvent *event, QAbstractItemModel *model, const QStyleOptionViewItem &option, const QModelIndex &index )
{
Q_ASSERT(event);
Q_ASSERT(model);
kDebug(planDbg());
Qt::ItemFlags flags = model->flags(index);
if ( ! ( option.state & QStyle::State_Enabled ) || ! ( flags & Qt::ItemIsEnabled ) ) {
return false;
}
// make sure that we have a check state
QVariant value = index.data( Qt::EditRole );
if ( ! value.isValid() ) {
return false;
}
QStyle *style = QApplication::style();
// make sure that we have the right event type
if ( ( event->type() == QEvent::MouseButtonRelease ) || ( event->type() == QEvent::MouseButtonDblClick ) || ( event->type() == QEvent::MouseButtonPress ) ) {
QStyleOptionViewItemV4 viewOpt( option );
initStyleOption( &viewOpt, index );
QRect checkRect = style->subElementRect( QStyle::SE_ItemViewItemDecoration, &viewOpt, 0 );
QMouseEvent *me = static_cast<QMouseEvent*>( event );
if ( me->button() != Qt::LeftButton || ! checkRect.contains( me->pos() ) ) {
return false;
}
if ( ( event->type() == QEvent::MouseButtonPress ) || ( event->type() == QEvent::MouseButtonDblClick ) ) {
return true;
}
} else if ( event->type() == QEvent::KeyPress ) {
if (static_cast<QKeyEvent*>(event)->key() != Qt::Key_Space && static_cast<QKeyEvent*>(event)->key() != Qt::Key_Select) {
return false;
}
} else {
return false;
}
Qt::CheckState state = ( static_cast<Qt::CheckState>( value.toInt() ) == Qt::Checked ? Qt::Unchecked : Qt::Checked );
return model->setData(index, state, Qt::CheckStateRole);
}