QTimeLinePrivate Class Reference

Inheritance diagram for QTimeLinePrivate:

Public Functions
	QTimeLinePrivate ()
void	setCurrentTime (int msecs)
void	setState (QTimeLine::State newState)
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
int	currentLoopCount
int	currentTime
QTimeLine::Direction	direction
int	duration
QEasingCurve	easingCurve
int	endFrame
int	startFrame
int	startTime
QTimeLine::State	state
QElapsedTimer	timer
int	timerId
int	totalLoopCount
int	updateInterval
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 51 of file qtimeline.cpp.

Constructors and Destructors

QTimeLinePrivate()

QTimeLinePrivate::QTimeLinePrivate ( )

inline

Definition at line 55 of file qtimeline.cpp.

        : startTime(0), duration(1000), startFrame(0), endFrame(0),
          updateInterval(1000 / 25),
          totalLoopCount(1), currentLoopCount(0), currentTime(0), timerId(0),
          direction(QTimeLine::Forward), easingCurve(QEasingCurve::InOutSine),
          state(QTimeLine::NotRunning)
    { }

Functions

setCurrentTime()

void QTimeLinePrivate::setCurrentTime

(

int

msecs

)

Warning

This function is not part of the public interface.

Definition at line 91 of file qtimeline.cpp.

Referenced by setState().

{
    Q_Q(QTimeLine);

    qreal lastValue = q->currentValue();
    int lastFrame = q->currentFrame();

    // Determine if we are looping.
    int elapsed = (direction == QTimeLine::Backward) ? (-msecs +  duration) : msecs;
    int loopCount = elapsed / duration;

    bool looping = (loopCount != currentLoopCount);
#ifdef QTIMELINE_DEBUG
    qDebug() << "QTimeLinePrivate::setCurrentTime:" << msecs << duration << "with loopCount" << loopCount
             << "currentLoopCount" << currentLoopCount
             << "looping" << looping;
#endif
    if (looping)
        currentLoopCount = loopCount;

    // Normalize msecs to be between 0 and duration, inclusive.
    currentTime = elapsed % duration;
    if (direction == QTimeLine::Backward)
        currentTime = duration - currentTime;

    // Check if we have reached the end of loopcount.
    bool finished = false;
    if (totalLoopCount && currentLoopCount >= totalLoopCount) {
        finished = true;
        currentTime = (direction == QTimeLine::Backward) ? 0 : duration;
        currentLoopCount = totalLoopCount - 1;
    }

    int currentFrame = q->frameForTime(currentTime);
#ifdef QTIMELINE_DEBUG
    qDebug() << "QTimeLinePrivate::setCurrentTime: frameForTime" << currentTime << currentFrame;
#endif
    if (!qFuzzyCompare(lastValue, q->currentValue()))
        emit q->valueChanged(q->currentValue());
    if (lastFrame != currentFrame) {
        const int transitionframe = (direction == QTimeLine::Forward ? endFrame : startFrame);
        if (looping && !finished && transitionframe != currentFrame) {
#ifdef QTIMELINE_DEBUG
            qDebug() << "QTimeLinePrivate::setCurrentTime: transitionframe";
#endif
            emit q->frameChanged(transitionframe);
        }
#ifdef QTIMELINE_DEBUG
        else {
            QByteArray reason;
            if (!looping)
                reason += " not looping";
            if (finished) {
                if (!reason.isEmpty())
                    reason += " and";
                reason += " finished";
            }
            if (transitionframe == currentFrame) {
                if (!reason.isEmpty())
                    reason += " and";
                reason += " transitionframe is equal to currentFrame: " + QByteArray::number(currentFrame);
            }
            qDebug("QTimeLinePrivate::setCurrentTime: not transitionframe because %s",  reason.constData());
        }
#endif
        emit q->frameChanged(currentFrame);
    }
    if (finished && state == QTimeLine::Running) {
        q->stop();
        emit q->finished();
    }
}

setState()

void QTimeLinePrivate::setState ( QTimeLine::State  newState )

inline

Definition at line 78 of file qtimeline.cpp.

    {
        Q_Q(QTimeLine);
        if (newState != state)
            emit q->stateChanged(state = newState);
    }

Properties

currentLoopCount

int QTimeLinePrivate::currentLoopCount

Definition at line 69 of file qtimeline.cpp.

Referenced by setCurrentTime().

currentTime

int QTimeLinePrivate::currentTime

Definition at line 71 of file qtimeline.cpp.

Referenced by setCurrentTime().

direction

QTimeLine::Direction QTimeLinePrivate::direction

Definition at line 75 of file qtimeline.cpp.

Referenced by setCurrentTime().

duration

int QTimeLinePrivate::duration

Definition at line 64 of file qtimeline.cpp.

Referenced by setCurrentTime().

easingCurve

QEasingCurve QTimeLinePrivate::easingCurve

Definition at line 76 of file qtimeline.cpp.

endFrame

int QTimeLinePrivate::endFrame

Definition at line 66 of file qtimeline.cpp.

Referenced by setCurrentTime().

startFrame

int QTimeLinePrivate::startFrame

Definition at line 65 of file qtimeline.cpp.

Referenced by setCurrentTime().

startTime

int QTimeLinePrivate::startTime

Definition at line 63 of file qtimeline.cpp.

state

QTimeLine::State QTimeLinePrivate::state

Definition at line 77 of file qtimeline.cpp.

Referenced by setCurrentTime().

timer

QElapsedTimer QTimeLinePrivate::timer

Definition at line 73 of file qtimeline.cpp.

timerId

int QTimeLinePrivate::timerId

Definition at line 72 of file qtimeline.cpp.

totalLoopCount

int QTimeLinePrivate::totalLoopCount

Definition at line 68 of file qtimeline.cpp.

Referenced by setCurrentTime().

updateInterval

int QTimeLinePrivate::updateInterval

Definition at line 67 of file qtimeline.cpp.

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

• /src/corelib/tools/qtimeline.cpp