QDataWidgetMapperPrivate Class Reference

Inheritance diagram for QDataWidgetMapperPrivate:

Classes
struct	WidgetMapper

Public Functions
void	_q_closeEditor (QWidget *, QAbstractItemDelegate::EndEditHint)
void	_q_commitData (QWidget *)
void	_q_dataChanged (const QModelIndex &topLeft, const QModelIndex &bottomRight)
void	_q_modelDestroyed ()
bool	commit (const WidgetMapper &m)
int	currentIdx () const
int	findWidget (QWidget *w) const
void	flipEventFilters (QAbstractItemDelegate *oldDelegate, QAbstractItemDelegate *newDelegate)
QModelIndex	indexAt (int itemPos)
int	itemCount ()
void	populate ()
void	populate (WidgetMapper &m)
	QDataWidgetMapperPrivate ()
Public Functions inherited from QObjectPrivate
void	_q_reregisterTimers (void *pointer)
void	addConnection (int signal, Connection *c)
void	cleanConnectionLists ()
void	connectNotify (const char *signal)
void	deleteChildren ()
void	disconnectNotify (const char *signal)
bool	isSender (const QObject *receiver, const char *signal) const
bool	isSignalConnected (uint signalIdx) const
	Returns true if the signal with index signal_index from object sender is connected. More...
void	moveToThread_helper ()
	QObjectPrivate (int version=QObjectPrivateVersion)
QObjectList	receiverList (const char *signal) const
QObjectList	senderList () const
void	setParent_helper (QObject *)
void	setThreadData_helper (QThreadData *currentData, QThreadData *targetData)
int	signalIndex (const char *signalName) const
	Returns the signal index used in the internal connectionLists vector. More...
virtual	~QObjectPrivate ()
Public Functions inherited from QObjectData
virtual	~QObjectData ()=0

Public Variables
QPersistentModelIndex	currentTopLeft
QAbstractItemDelegate *	delegate
QAbstractItemModel *	model
Qt::Orientation	orientation
QPersistentModelIndex	rootIndex
QDataWidgetMapper::SubmitPolicy	submitPolicy
QList< WidgetMapper >	widgetMap
Public Variables inherited from QObjectPrivate
union {
QObject *   currentChildBeingDeleted
QAbstractDeclarativeData *   declarativeData
};
quint32	connectedSignals [2]
QObjectConnectionListVector *	connectionLists
Sender *	currentSender
QList< QPointer< QObject > >	eventFilters
ExtraData *	extraData
QString	objectName
Connection *	senders
QAtomicPointer< QtSharedPointer::ExternalRefCountData >	sharedRefcount
QThreadData *	threadData
void *	unused
Public Variables inherited from QObjectData
uint	blockSig: 1
QObjectList	children
uint	hasGuards: 1
uint	inEventHandler: 1
uint	inThreadChangeEvent: 1
uint	isWidget: 1
QMetaObject *	metaObject
uint	ownObjectName: 1
QObject *	parent
uint	pendTimer: 1
int	postedEvents
QObject *	q_ptr
uint	receiveChildEvents: 1
uint	sendChildEvents: 1
uint	unused: 22
uint	wasDeleted: 1

Additional Inherited Members
Public Types inherited from QObjectPrivate
typedef void(*	StaticMetaCallFunction) (QObject *, QMetaObject::Call, int, void **)
Static Public Functions inherited from QObjectPrivate
static void	clearGuards (QObject *)
static QObjectPrivate *	get (QObject *o)
static void	resetCurrentSender (QObject *receiver, Sender *currentSender, Sender *previousSender)
static Sender *	setCurrentSender (QObject *receiver, Sender *sender)
static void	signalSignature (const QMetaMethod &signal, QVarLengthArray< char > *result)

Detailed Description

Definition at line 55 of file qdatawidgetmapper.cpp.

Constructors and Destructors

QDataWidgetMapperPrivate()

QDataWidgetMapperPrivate::QDataWidgetMapperPrivate ( )

inline

Definition at line 60 of file qdatawidgetmapper.cpp.

        : model(QAbstractItemModelPrivate::staticEmptyModel()), delegate(0),
          orientation(Qt::Horizontal), submitPolicy(QDataWidgetMapper::AutoSubmit)
    {
    }

Functions

_q_closeEditor()

void QDataWidgetMapperPrivate::_q_closeEditor	(	QWidget *	w,
		QAbstractItemDelegate::EndEditHint	hint
	)

Definition at line 223 of file qdatawidgetmapper.cpp.

Referenced by flipEventFilters().

{
    int idx = findWidget(w);
    if (idx == -1)
        return; // not our widget

    switch (hint) {
    case QAbstractItemDelegate::RevertModelCache: {
        populate(widgetMap[idx]);
        break; }
    case QAbstractItemDelegate::EditNextItem:
        QFocusHelper::focusNextPrevChild(w, true);
        break;
    case QAbstractItemDelegate::EditPreviousItem:
        QFocusHelper::focusNextPrevChild(w, false);
        break;
    case QAbstractItemDelegate::SubmitModelCache:
    case QAbstractItemDelegate::NoHint:
        // nothing
        break;
    }
}

_q_commitData()

void QDataWidgetMapperPrivate::_q_commitData

(

QWidget *

w

)

Definition at line 197 of file qdatawidgetmapper.cpp.

Referenced by flipEventFilters().

{
    if (submitPolicy == QDataWidgetMapper::ManualSubmit)
        return;

    int idx = findWidget(w);
    if (idx == -1)
        return; // not our widget

    commit(widgetMap.at(idx));
}

_q_dataChanged()

void QDataWidgetMapperPrivate::_q_dataChanged	(	const QModelIndex &	topLeft,
		const QModelIndex &	bottomRight
	)

Definition at line 185 of file qdatawidgetmapper.cpp.

Referenced by flipEventFilters().

{
    if (topLeft.parent() != rootIndex)
        return; // not in our hierarchy

    for (int i = 0; i < widgetMap.count(); ++i) {
        WidgetMapper &m = widgetMap[i];
        if (qContainsIndex(m.currentIndex, topLeft, bottomRight))
            populate(m);
    }
}

_q_modelDestroyed()

void QDataWidgetMapperPrivate::_q_modelDestroyed

(

)

Definition at line 246 of file qdatawidgetmapper.cpp.

Referenced by flipEventFilters().

{
    Q_Q(QDataWidgetMapper);

    model = 0;
    q->setModel(QAbstractItemModelPrivate::staticEmptyModel());
}

commit()

bool QDataWidgetMapperPrivate::commit

(

const WidgetMapper &

m

)

Definition at line 142 of file qdatawidgetmapper.cpp.

Referenced by _q_commitData().

{
    if (m.widget.isNull())
        return true; // just ignore

    if (!m.currentIndex.isValid())
        return false;

    // Create copy to avoid passing the widget mappers data
    QModelIndex idx = m.currentIndex;
    if (m.property.isEmpty())
        delegate->setModelData(m.widget, model, idx);
    else
        model->setData(idx, m.widget->property(m.property), Qt::EditRole);

    return true;
}

currentIdx()

int QDataWidgetMapperPrivate::currentIdx ( ) const

inline

Definition at line 80 of file qdatawidgetmapper.cpp.

Referenced by indexAt().

    {
        return orientation == Qt::Horizontal ? currentTopLeft.row() : currentTopLeft.column();
    }

findWidget()

int QDataWidgetMapperPrivate::findWidget

(

QWidget *

w

)

const

Definition at line 133 of file qdatawidgetmapper.cpp.

Referenced by _q_closeEditor(), and _q_commitData().

{
    for (int i = 0; i < widgetMap.count(); ++i) {
        if (widgetMap.at(i).widget == w)
            return i;
    }
    return -1;
}

flipEventFilters()

void QDataWidgetMapperPrivate::flipEventFilters ( QAbstractItemDelegate *  oldDelegate, QAbstractItemDelegate *  newDelegate  )

inline

Definition at line 92 of file qdatawidgetmapper.cpp.

    {
        for (int i = 0; i < widgetMap.count(); ++i) {
            QWidget *w = widgetMap.at(i).widget;
            if (!w)
                continue;
            w->removeEventFilter(oldDelegate);
            w->installEventFilter(newDelegate);
        }
    }

indexAt()

QModelIndex QDataWidgetMapperPrivate::indexAt ( int  itemPos )

inline

Definition at line 85 of file qdatawidgetmapper.cpp.

Referenced by populate().

    {
        return orientation == Qt::Horizontal
            ? model->index(currentIdx(), itemPos, rootIndex)
            : model->index(itemPos, currentIdx(), rootIndex);
    }

itemCount()

int QDataWidgetMapperPrivate::itemCount ( )

inline

Definition at line 73 of file qdatawidgetmapper.cpp.

    {
        return orientation == Qt::Horizontal
            ? model->rowCount(rootIndex)
            : model->columnCount(rootIndex);
    }

populate() [1/2]

void QDataWidgetMapperPrivate::populate

(

)

Definition at line 172 of file qdatawidgetmapper.cpp.

Referenced by _q_closeEditor(), _q_dataChanged(), and flipEventFilters().

{
    for (int i = 0; i < widgetMap.count(); ++i)
        populate(widgetMap[i]);
}

populate() [2/2]

void QDataWidgetMapperPrivate::populate

(

WidgetMapper &

m

)

Definition at line 160 of file qdatawidgetmapper.cpp.

{
    if (m.widget.isNull())
        return;

    m.currentIndex = indexAt(m.section);
    if (m.property.isEmpty())
        delegate->setEditorData(m.widget, m.currentIndex);
    else
        m.widget->setProperty(m.property, m.currentIndex.data(Qt::EditRole));
}

Properties

currentTopLeft

QPersistentModelIndex QDataWidgetMapperPrivate::currentTopLeft

Definition at line 71 of file qdatawidgetmapper.cpp.

delegate

QAbstractItemDelegate* QDataWidgetMapperPrivate::delegate

Definition at line 67 of file qdatawidgetmapper.cpp.

model

QAbstractItemModel* QDataWidgetMapperPrivate::model

Definition at line 66 of file qdatawidgetmapper.cpp.

orientation

Qt::Orientation QDataWidgetMapperPrivate::orientation

Definition at line 68 of file qdatawidgetmapper.cpp.

Referenced by currentIdx(), indexAt(), and itemCount().

rootIndex

QPersistentModelIndex QDataWidgetMapperPrivate::rootIndex

Definition at line 70 of file qdatawidgetmapper.cpp.

Referenced by _q_dataChanged().

submitPolicy

QDataWidgetMapper::SubmitPolicy QDataWidgetMapperPrivate::submitPolicy

Definition at line 69 of file qdatawidgetmapper.cpp.

Referenced by _q_commitData().

widgetMap

QList<WidgetMapper> QDataWidgetMapperPrivate::widgetMap

Definition at line 130 of file qdatawidgetmapper.cpp.

Referenced by _q_closeEditor(), _q_commitData(), _q_dataChanged(), findWidget(), flipEventFilters(), and populate().

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The documentation for this class was generated from the following file:

• /src/gui/itemviews/qdatawidgetmapper.cpp