#include <qdeclarativeanimation_p.h>

Inheritance diagram for QDeclarativeParentAnimation:

Signals
void	newParentChanged ()

void	targetChanged ()

void	viaChanged ()

Signals inherited from QDeclarativeAbstractAnimation
void	alwaysRunToEndChanged (bool)

void	completed ()

void	loopCountChanged (int)

void	pausedChanged (bool)

void	runningChanged (bool)

void	started ()

Signals inherited from QObject
void	destroyed (QObject *=0)
	This signal is emitted immediately before the object obj is destroyed, and can not be blocked. More...

Public Functions
QDeclarativeItem *	newParent () const

	QDeclarativeParentAnimation (QObject *parent=0)

void	setNewParent (QDeclarativeItem *)

void	setTarget (QDeclarativeItem *)

void	setVia (QDeclarativeItem *)

QDeclarativeItem *	target () const

QDeclarativeItem *	via () const

virtual	~QDeclarativeParentAnimation ()

Public Functions inherited from QDeclarativeAnimationGroup
QDeclarativeListProperty< QDeclarativeAbstractAnimation >	animations ()

	QDeclarativeAnimationGroup (QObject *parent)

virtual	~QDeclarativeAnimationGroup ()

Public Functions inherited from QDeclarativeAbstractAnimation
bool	alwaysRunToEnd () const

void	classBegin ()
	Invoked after class creation, but before any properties have been set. More...

void	componentComplete ()
	Invoked after the root component that caused this instantiation has completed construction. More...

int	currentTime ()

QDeclarativeAnimationGroup *	group () const

bool	isPaused () const

bool	isRunning () const

int	loops () const

	QDeclarativeAbstractAnimation (QObject *parent=0)

void	setAlwaysRunToEnd (bool)

void	setCurrentTime (int)

void	setDefaultTarget (const QDeclarativeProperty &)

void	setDisableUserControl ()

void	setGroup (QDeclarativeAnimationGroup *)

void	setLoops (int)

void	setPaused (bool)

void	setRunning (bool)

virtual	~QDeclarativeAbstractAnimation ()

Public Functions inherited from QObject
bool	blockSignals (bool b)
	If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it). More...

const QObjectList &	children () const
	Returns a list of child objects. More...

bool	connect (const QObject sender, const char signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const

bool	disconnect (const char signal=0, const QObject receiver=0, const char *member=0)

bool	disconnect (const QObject receiver, const char member=0)

void	dumpObjectInfo ()
	Dumps information about signal connections, etc. More...

void	dumpObjectTree ()
	Dumps a tree of children to the debug output. More...

QList< QByteArray >	dynamicPropertyNames () const
	Returns the names of all properties that were dynamically added to the object using setProperty(). More...

virtual bool	event (QEvent *)
	This virtual function receives events to an object and should return true if the event e was recognized and processed. More...

virtual bool	eventFilter (QObject , QEvent )
	Filters events if this object has been installed as an event filter for the watched object. More...

template<typename T >
T	findChild (const QString &aName=QString()) const
	Returns the child of this object that can be cast into type T and that is called name, or 0 if there is no such object. More...

template<typename T >
QList< T >	findChildren (const QString &aName=QString()) const
	Returns all children of this object with the given name that can be cast to type T, or an empty list if there are no such objects. More...

template<typename T >
QList< T >	findChildren (const QRegExp &re) const

bool	inherits (const char *classname) const
	Returns true if this object is an instance of a class that inherits className or a QObject subclass that inherits className; otherwise returns false. More...

void	installEventFilter (QObject *)
	Installs an event filter filterObj on this object. More...

bool	isWidgetType () const
	Returns true if the object is a widget; otherwise returns false. More...

void	killTimer (int id)
	Kills the timer with timer identifier, id. More...

virtual const QMetaObject *	metaObject () const
	Returns a pointer to the meta-object of this object. More...

void	moveToThread (QThread *thread)
	Changes the thread affinity for this object and its children. More...

QString	objectName () const

QObject *	parent () const
	Returns a pointer to the parent object. More...

QVariant	property (const char *name) const
	Returns the value of the object's name property. More...

Q_INVOKABLE	QObject (QObject *parent=0)
	Constructs an object with parent object parent. More...

void	removeEventFilter (QObject *)
	Removes an event filter object obj from this object. More...

void	setObjectName (const QString &name)

void	setParent (QObject *)
	Makes the object a child of parent. More...

bool	setProperty (const char *name, const QVariant &value)
	Sets the value of the object's name property to value. More...

void	setUserData (uint id, QObjectUserData *data)

bool	signalsBlocked () const
	Returns true if signals are blocked; otherwise returns false. More...

int	startTimer (int interval)
	Starts a timer and returns a timer identifier, or returns zero if it could not start a timer. More...

QThread *	thread () const
	Returns the thread in which the object lives. More...

QObjectUserData *	userData (uint id) const

virtual	~QObject ()
	Destroys the object, deleting all its child objects. More...

Public Functions inherited from QDeclarativePropertyValueSource
	QDeclarativePropertyValueSource ()
	Constructs a QDeclarativePropertyValueSource. More...

virtual	~QDeclarativePropertyValueSource ()
	Destroys the value source. More...

Public Functions inherited from QDeclarativeParserStatus
	QDeclarativeParserStatus ()

virtual	~QDeclarativeParserStatus ()

Protected Functions
virtual QAbstractAnimation *	qtAnimation ()

virtual void	transition (QDeclarativeStateActions &actions, QDeclarativeProperties &modified, TransitionDirection direction)

Protected Functions inherited from QDeclarativeAnimationGroup
	QDeclarativeAnimationGroup (QDeclarativeAnimationGroupPrivate &dd, QObject *parent)

Protected Functions inherited from QDeclarativeAbstractAnimation
	QDeclarativeAbstractAnimation (QDeclarativeAbstractAnimationPrivate &dd, QObject *parent)

Protected Functions inherited from QObject
virtual void	childEvent (QChildEvent *)
	This event handler can be reimplemented in a subclass to receive child events. More...

virtual void	connectNotify (const char *signal)
	This virtual function is called when something has been connected to signal in this object. More...

virtual void	customEvent (QEvent *)
	This event handler can be reimplemented in a subclass to receive custom events. More...

virtual void	disconnectNotify (const char *signal)
	This virtual function is called when something has been disconnected from signal in this object. More...

	QObject (QObjectPrivate &dd, QObject *parent=0)

int	receivers (const char *signal) const
	Returns the number of receivers connected to the signal. More...

QObject *	sender () const
	Returns a pointer to the object that sent the signal, if called in a slot activated by a signal; otherwise it returns 0. More...

int	senderSignalIndex () const

virtual void	timerEvent (QTimerEvent *)
	This event handler can be reimplemented in a subclass to receive timer events for the object. More...

Properties
QDeclarativeItem *	newParent

QDeclarativeItem *	target

QDeclarativeItem *	via

Additional Inherited Members
Public Types inherited from QDeclarativeAbstractAnimation
enum	Loops { Infinite = -2 }

enum	TransitionDirection { Forward, Backward }

Public Slots inherited from QDeclarativeAbstractAnimation
void	complete ()

void	pause ()

void	restart ()

void	resume ()

void	start ()

void	stop ()

Public Slots inherited from QObject
void	deleteLater ()
	Schedules this object for deletion. More...

Static Public Functions inherited from QObject
static bool	connect (const QObject sender, const char signal, const QObject receiver, const char member, Qt::ConnectionType=Qt::AutoConnection)
	Creates a connection of the given type from the signal in the sender object to the method in the receiver object. More...

static bool	connect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)

static bool	disconnect (const QObject sender, const char signal, const QObject receiver, const char member)
	Disconnects signal in object sender from method in object receiver. More...

static bool	disconnect (const QObject sender, const QMetaMethod &signal, const QObject receiver, const QMetaMethod &member)

static uint	registerUserData ()

static QString	tr (const char sourceText, const char comment=0, int n=-1)

static QString	trUtf8 (const char sourceText, const char comment=0, int n=-1)

Static Public Variables inherited from QObject
static const QMetaObject	staticMetaObject
	This variable stores the meta-object for the class. More...

Protected Variables inherited from QObject
QScopedPointer< QObjectData >	d_ptr

Static Protected Variables inherited from QObject
static const QMetaObject	staticQtMetaObject

Related Functions inherited from QObject
T	qFindChildqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QString &name)()

QList< T >	qFindChildrenqFindChildren (const QObject *obj, const QRegExp &regExp)()

T *	qobject_cast (QObject *object)

	QObjectList

void *	qt_find_obj_child (QObject parent, const char type, const QString &name)
	Returns a pointer to the object named name that inherits type and with a given parent. More...

Detailed Description

Definition at line 444 of file qdeclarativeanimation_p.h.

Constructors and Destructors

◆ QDeclarativeParentAnimation()

QDeclarativeParentAnimation::QDeclarativeParentAnimation ( QObject * parent = 0 )

Definition at line 2600 of file qdeclarativeanimation.cpp.

     : QDeclarativeAnimationGroup(*(new QDeclarativeParentAnimationPrivate), parent)
 {
     Q_D(QDeclarativeParentAnimation);
     d->topLevelGroup = new QSequentialAnimationGroup;
     QDeclarative_setParent_noEvent(d->topLevelGroup, this);
 
     d->startAction = new QActionAnimation;
     QDeclarative_setParent_noEvent(d->startAction, d->topLevelGroup);
     d->topLevelGroup->addAnimation(d->startAction);
 
     d->ag = new QParallelAnimationGroup;
     QDeclarative_setParent_noEvent(d->ag, d->topLevelGroup);
     d->topLevelGroup->addAnimation(d->ag);
 
     d->endAction = new QActionAnimation;
     QDeclarative_setParent_noEvent(d->endAction, d->topLevelGroup);
     d->topLevelGroup->addAnimation(d->endAction);
 }

◆ ~QDeclarativeParentAnimation()

QDeclarativeParentAnimation::~QDeclarativeParentAnimation ( )

virtual

Definition at line 2620 of file qdeclarativeanimation.cpp.

2621 {

2622 }

Functions

◆ newParent()

QDeclarativeItem* QDeclarativeParentAnimation::newParent ( ) const

Referenced by setNewParent(), and setTarget().

◆ newParentChanged

void QDeclarativeParentAnimation::newParentChanged ( )

signal

Referenced by setNewParent().

◆ qtAnimation()

QAbstractAnimation * QDeclarativeParentAnimation::qtAnimation ( )

protectedvirtual

Implements QDeclarativeAbstractAnimation.

Definition at line 2927 of file qdeclarativeanimation.cpp.

 {
     Q_D(QDeclarativeParentAnimation);
     return d->topLevelGroup;
 }

◆ setNewParent()

void QDeclarativeParentAnimation::setNewParent ( QDeclarativeItem * newParent )

Definition at line 2668 of file qdeclarativeanimation.cpp.

 {
     Q_D(QDeclarativeParentAnimation);
     if (newParent == d->newParent)
         return;
 
     d->newParent = newParent;
     emit newParentChanged();
 }

◆ setTarget()

void QDeclarativeParentAnimation::setTarget ( QDeclarativeItem * target )

Definition at line 2640 of file qdeclarativeanimation.cpp.

 {
     Q_D(QDeclarativeParentAnimation);
     if (target == d->target)
         return;
 
     d->target = target;
     emit targetChanged();
 }

◆ setVia()

void QDeclarativeParentAnimation::setVia ( QDeclarativeItem * via )

Definition at line 2700 of file qdeclarativeanimation.cpp.

 {
     Q_D(QDeclarativeParentAnimation);
     if (via == d->via)
         return;
 
     d->via = via;
     emit viaChanged();
 }

◆ target()

QDeclarativeItem* QDeclarativeParentAnimation::target ( ) const

Referenced by setTarget(), transition(), and ~QDeclarativeParentAnimation().

◆ targetChanged

void QDeclarativeParentAnimation::targetChanged ( )

signal

Referenced by setTarget().

◆ transition()

void QDeclarativeParentAnimation::transition	(	QDeclarativeStateActions &	actions,
		QDeclarativeProperties &	modified,
		TransitionDirection	direction
	)

protectedvirtual

Reimplemented from QDeclarativeAbstractAnimation.

Definition at line 2736 of file qdeclarativeanimation.cpp.

 {
     Q_D(QDeclarativeParentAnimation);
 
     struct QDeclarativeParentAnimationData : public QAbstractAnimationAction
     {
         QDeclarativeParentAnimationData() {}
         ~QDeclarativeParentAnimationData() { qDeleteAll(pc); }
 
         QDeclarativeStateActions actions;
         //### reverse should probably apply on a per-action basis
         bool reverse;
         QList<QDeclarativeParentChange *> pc;
         virtual void doAction()
         {
             for (int ii = 0; ii < actions.count(); ++ii) {
                 const QDeclarativeAction &action = actions.at(ii);
                 if (reverse)
                     action.event->reverse();
                 else
                     action.event->execute();
             }
         }
     };
 
     QDeclarativeParentAnimationData *data = new QDeclarativeParentAnimationData;
     QDeclarativeParentAnimationData *viaData = new QDeclarativeParentAnimationData;
 
     bool hasExplicit = false;
     if (d->target && d->newParent) {
         data->reverse = false;
         QDeclarativeAction myAction;
         QDeclarativeParentChange *pc = new QDeclarativeParentChange;
         pc->setObject(d->target);
         pc->setParent(d->newParent);
         myAction.event = pc;
         data->pc << pc;
         data->actions << myAction;
         hasExplicit = true;
         if (d->via) {
             viaData->reverse = false;
             QDeclarativeAction myVAction;
             QDeclarativeParentChange *vpc = new QDeclarativeParentChange;
             vpc->setObject(d->target);
             vpc->setParent(d->via);
             myVAction.event = vpc;
             viaData->pc << vpc;
             viaData->actions << myVAction;
         }
         //### once actions have concept of modified,
         //    loop to match appropriate ParentChanges and mark as modified
     }
 
     if (!hasExplicit)
     for (int i = 0; i < actions.size(); ++i) {
         QDeclarativeAction &action = actions[i];
         if (action.event && action.event->typeName() == QLatin1String("ParentChange")
             && (!d->target || static_cast<QDeclarativeParentChange*>(action.event)->object() == d->target)) {
 
             QDeclarativeParentChange *pc = static_cast<QDeclarativeParentChange*>(action.event);
             QDeclarativeAction myAction = action;
             data->reverse = action.reverseEvent;
 
             //### this logic differs from PropertyAnimation
             //    (probably a result of modified vs. done)
             if (d->newParent) {
                 QDeclarativeParentChange *epc = new QDeclarativeParentChange;
                 epc->setObject(static_cast<QDeclarativeParentChange*>(action.event)->object());
                 epc->setParent(d->newParent);
                 myAction.event = epc;
                 data->pc << epc;
                 data->actions << myAction;
                 pc = epc;
             } else {
                 action.actionDone = true;
                 data->actions << myAction;
             }
 
             if (d->via) {
                 viaData->reverse = false;
                 QDeclarativeAction myAction;
                 QDeclarativeParentChange *vpc = new QDeclarativeParentChange;
                 vpc->setObject(pc->object());
                 vpc->setParent(d->via);
                 myAction.event = vpc;
                 viaData->pc << vpc;
                 viaData->actions << myAction;
                 QDeclarativeAction dummyAction;
                 QDeclarativeAction &xAction = pc->xIsSet() && i < actions.size()-1 ? actions[++i] : dummyAction;
                 QDeclarativeAction &yAction = pc->yIsSet() && i < actions.size()-1 ? actions[++i] : dummyAction;
                 QDeclarativeAction &sAction = pc->scaleIsSet() && i < actions.size()-1 ? actions[++i] : dummyAction;
                 QDeclarativeAction &rAction = pc->rotationIsSet() && i < actions.size()-1 ? actions[++i] : dummyAction;
                 QDeclarativeItem *target = pc->object();
                 QDeclarativeItem *targetParent = action.reverseEvent ? pc->originalParent() : pc->parent();
 
                 //### this mirrors the logic in QDeclarativeParentChange.
                 bool ok;
                 const QTransform &transform = targetParent->itemTransform(d->via, &ok);
                 if (transform.type() >= QTransform::TxShear || !ok) {
                     qmlInfo(this) << QDeclarativeParentAnimation::tr("Unable to preserve appearance under complex transform");
                     ok = false;
                 }
 
                 qreal scale = 1;
                 qreal rotation = 0;
                 bool isRotate = (transform.type() == QTransform::TxRotate) || (transform.m11() < 0);
                 if (ok && !isRotate) {
                     if (transform.m11() == transform.m22())
                         scale = transform.m11();
                     else {
                         qmlInfo(this) << QDeclarativeParentAnimation::tr("Unable to preserve appearance under non-uniform scale");
                         ok = false;
                     }
                 } else if (ok && isRotate) {
                     if (transform.m11() == transform.m22())
                         scale = qSqrt(transform.m11()*transform.m11() + transform.m12()*transform.m12());
                     else {
                         qmlInfo(this) << QDeclarativeParentAnimation::tr("Unable to preserve appearance under non-uniform scale");
                         ok = false;
                     }
 
                     if (scale != 0)
                         rotation = atan2(transform.m12()/scale, transform.m11()/scale) * 180/qreal(M_PI);
                     else {
                         qmlInfo(this) << QDeclarativeParentAnimation::tr("Unable to preserve appearance under scale of 0");
                         ok = false;
                     }
                 }
 
                 const QPointF &point = transform.map(QPointF(xAction.toValue.toReal(),yAction.toValue.toReal()));
                 qreal x = point.x();
                 qreal y = point.y();
                 if (ok && target->transformOrigin() != QDeclarativeItem::TopLeft) {
                     qreal w = target->width();
                     qreal h = target->height();
                     if (pc->widthIsSet() && i < actions.size() - 1)
                         w = actions[++i].toValue.toReal();
                     if (pc->heightIsSet() && i < actions.size() - 1)
                         h = actions[++i].toValue.toReal();
                     const QPointF &transformOrigin
                             = d->computeTransformOrigin(target->transformOrigin(), w,h);
                     qreal tempxt = transformOrigin.x();
                     qreal tempyt = transformOrigin.y();
                     QTransform t;
                     t.translate(-tempxt, -tempyt);
                     t.rotate(rotation);
                     t.scale(scale, scale);
                     t.translate(tempxt, tempyt);
                     const QPointF &offset = t.map(QPointF(0,0));
                     x += offset.x();
                     y += offset.y();
                 }
 
                 if (ok) {
                     //qDebug() << x << y << rotation << scale;
                     xAction.toValue = x;
                     yAction.toValue = y;
                     sAction.toValue = sAction.toValue.toReal() * scale;
                     rAction.toValue = rAction.toValue.toReal() + rotation;
                 }
             }
         }
     }
 
     if (data->actions.count()) {
         if (direction == QDeclarativeAbstractAnimation::Forward) {
             d->startAction->setAnimAction(d->via ? viaData : data, QActionAnimation::DeleteWhenStopped);
             d->endAction->setAnimAction(d->via ? data : 0, QActionAnimation::DeleteWhenStopped);
         } else {
             d->endAction->setAnimAction(d->via ? viaData : data, QActionAnimation::DeleteWhenStopped);
             d->startAction->setAnimAction(d->via ? data : 0, QActionAnimation::DeleteWhenStopped);
         }
         if (!d->via)
             delete viaData;
     } else {
         delete data;
         delete viaData;
     }
 
     //take care of any child animations
     bool valid = d->defaultProperty.isValid();
     for (int ii = 0; ii < d->animations.count(); ++ii) {
         if (valid)
             d->animations.at(ii)->setDefaultTarget(d->defaultProperty);
         d->animations.at(ii)->transition(actions, modified, direction);
     }
 
 }

◆ via()

QDeclarativeItem* QDeclarativeParentAnimation::via ( ) const

Referenced by setNewParent(), and setVia().

◆ viaChanged

void QDeclarativeParentAnimation::viaChanged ( )

signal

Referenced by setVia().

Properties

◆ newParent

QDeclarativeItem * QDeclarativeParentAnimation::newParent

private

Definition at line 450 of file qdeclarativeanimation_p.h.

◆ target

QDeclarativeItem * QDeclarativeParentAnimation::target

private

Definition at line 449 of file qdeclarativeanimation_p.h.

◆ via

QDeclarativeItem * QDeclarativeParentAnimation::via

private

Definition at line 451 of file qdeclarativeanimation_p.h.

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

/src/declarative/util/qdeclarativeanimation_p.h
/src/declarative/util/qdeclarativeanimation.cpp

Signals

Public Functions

Protected Functions

Properties

Additional Inherited Members

Detailed Description

Constructors and Destructors

◆ QDeclarativeParentAnimation()

◆ ~QDeclarativeParentAnimation()

Functions

◆ newParent()

◆ newParentChanged

◆ qtAnimation()

◆ setNewParent()

◆ setTarget()

◆ setVia()

◆ target()

◆ targetChanged

◆ transition()

◆ via()

◆ viaChanged

Properties

◆ newParent

◆ target

◆ via