Qt 4.8
Signals | Public Functions | Protected Functions | Properties | List of all members
QDeclarativeSpringAnimation Class Reference

#include <qdeclarativespringanimation_p.h>

Inheritance diagram for QDeclarativeSpringAnimation:
QDeclarativeNumberAnimation QDeclarativePropertyAnimation QDeclarativeAbstractAnimation QObject QDeclarativePropertyValueSource QDeclarativeParserStatus

Signals

void massChanged ()
 
void modulusChanged ()
 
void syncChanged ()
 
- Signals inherited from QDeclarativePropertyAnimation
void durationChanged (int)
 
void easingChanged (const QEasingCurve &)
 
void fromChanged (QVariant)
 
void propertiesChanged (const QString &)
 
void propertyChanged ()
 
void targetChanged ()
 
void toChanged (QVariant)
 
- 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

qreal damping () const
 
qreal epsilon () const
 
qreal mass () const
 
qreal modulus () const
 
 QDeclarativeSpringAnimation (QObject *parent=0)
 
void setDamping (qreal damping)
 
void setEpsilon (qreal epsilon)
 
void setMass (qreal modulus)
 
void setModulus (qreal modulus)
 
void setSpring (qreal spring)
 
void setVelocity (qreal velocity)
 
qreal spring () const
 
virtual void transition (QDeclarativeStateActions &actions, QDeclarativeProperties &modified, TransitionDirection direction)
 
qreal velocity () const
 
 ~QDeclarativeSpringAnimation ()
 
- Public Functions inherited from QDeclarativeNumberAnimation
qreal from () const
 
 QDeclarativeNumberAnimation (QObject *parent=0)
 
void setFrom (qreal)
 
void setTo (qreal)
 
qreal to () const
 
virtual ~QDeclarativeNumberAnimation ()
 
- Public Functions inherited from QDeclarativePropertyAnimation
virtual int duration () const
 
QEasingCurve easing () const
 
QDeclarativeListProperty< QObjectexclude ()
 
QVariant from () const
 
QString properties () const
 
QString property () const
 
 QDeclarativePropertyAnimation (QObject *parent=0)
 
virtual void setDuration (int)
 
void setEasing (const QEasingCurve &)
 
void setFrom (const QVariant &)
 
void setProperties (const QString &)
 
void setProperty (const QString &)
 
void setTarget (QObject *)
 
void setTo (const QVariant &)
 
QObjecttarget () const
 
QDeclarativeListProperty< QObjecttargets ()
 
QVariant to () const
 
virtual ~QDeclarativePropertyAnimation ()
 
- 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 ()
 
QDeclarativeAnimationGroupgroup () 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 QObjectListchildren () 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< QByteArraydynamicPropertyNames () 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 >
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 QMetaObjectmetaObject () 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
 
QObjectparent () 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...
 
QThreadthread () const
 Returns the thread in which the object lives. More...
 
QObjectUserDatauserData (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 QAbstractAnimationqtAnimation ()
 
- Protected Functions inherited from QDeclarativeNumberAnimation
 QDeclarativeNumberAnimation (QDeclarativePropertyAnimationPrivate &dd, QObject *parent)
 
- Protected Functions inherited from QDeclarativePropertyAnimation
 QDeclarativePropertyAnimation (QDeclarativePropertyAnimationPrivate &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...
 
QObjectsender () 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

qreal damping
 
qreal epsilon
 
qreal mass
 
qreal modulus
 
qreal spring
 
qreal velocity
 

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< QObjectDatad_ptr
 
- Static Protected Variables inherited from QObject
static const QMetaObject staticQtMetaObject
 

Detailed Description

Definition at line 57 of file qdeclarativespringanimation_p.h.

Constructors and Destructors

◆ QDeclarativeSpringAnimation()

QDeclarativeSpringAnimation::QDeclarativeSpringAnimation ( QObject parent = 0)

Definition at line 267 of file qdeclarativespringanimation.cpp.

269 {
271  d->clock = new QDeclarativeSpringAnimationPrivate::Clock(d, this);
272 }
QTickAnimationProxy< QDeclarativeSpringAnimationPrivate, &QDeclarativeSpringAnimationPrivate::tick > Clock
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
QDeclarativeNumberAnimation(QObject *parent=0)

◆ ~QDeclarativeSpringAnimation()

QDeclarativeSpringAnimation::~QDeclarativeSpringAnimation ( )

Definition at line 274 of file qdeclarativespringanimation.cpp.

275 {
276 }

Functions

◆ damping()

qreal QDeclarativeSpringAnimation::damping ( ) const

Referenced by setDamping(), and setSpring().

◆ epsilon()

qreal QDeclarativeSpringAnimation::epsilon ( ) const

Referenced by setDamping(), and setEpsilon().

◆ mass()

qreal QDeclarativeSpringAnimation::mass ( ) const

Referenced by setMass(), and setModulus().

◆ massChanged

void QDeclarativeSpringAnimation::massChanged ( )
signal

Referenced by setMass().

◆ modulus()

qreal QDeclarativeSpringAnimation::modulus ( ) const

Referenced by setEpsilon(), and setModulus().

◆ modulusChanged

void QDeclarativeSpringAnimation::modulusChanged ( )
signal

Referenced by setModulus().

◆ qtAnimation()

QAbstractAnimation * QDeclarativeSpringAnimation::qtAnimation ( )
protectedvirtual

Reimplemented from QDeclarativePropertyAnimation.

Definition at line 477 of file qdeclarativespringanimation.cpp.

478 {
480  return d->clock;
481 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482

◆ setDamping()

void QDeclarativeSpringAnimation::setDamping ( qreal  damping)

Definition at line 349 of file qdeclarativespringanimation.cpp.

350 {
352  if (damping > 1.)
353  damping = 1.;
354 
355  d->damping = damping;
356 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482

◆ setEpsilon()

void QDeclarativeSpringAnimation::setEpsilon ( qreal  epsilon)

Definition at line 378 of file qdeclarativespringanimation.cpp.

379 {
381  d->epsilon = epsilon;
382 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482

◆ setMass()

void QDeclarativeSpringAnimation::setMass ( qreal  modulus)

Definition at line 429 of file qdeclarativespringanimation.cpp.

430 {
432  if (d->mass != mass && mass > 0.0) {
433  d->useMass = mass != 1.0;
434  d->mass = mass;
435  emit massChanged();
436  }
437 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setModulus()

void QDeclarativeSpringAnimation::setModulus ( qreal  modulus)

Definition at line 400 of file qdeclarativespringanimation.cpp.

401 {
403  if (d->modulus != modulus) {
404  d->haveModulus = modulus != 0.0;
405  d->modulus = modulus;
406  d->updateMode();
408  }
409 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482
#define emit
Definition: qobjectdefs.h:76

◆ setSpring()

void QDeclarativeSpringAnimation::setSpring ( qreal  spring)

Definition at line 323 of file qdeclarativespringanimation.cpp.

324 {
326  d->spring = spring;
327  d->updateMode();
328 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482

◆ setVelocity()

void QDeclarativeSpringAnimation::setVelocity ( qreal  velocity)

Definition at line 295 of file qdeclarativespringanimation.cpp.

296 {
298  d->maxVelocity = velocity;
299  d->velocityms = velocity / 1000.0;
300  d->updateMode();
301 }
QDeclarativeParserStatus ** d
#define Q_D(Class)
Definition: qglobal.h:2482

◆ spring()

qreal QDeclarativeSpringAnimation::spring ( ) const

Referenced by setSpring(), and setVelocity().

◆ syncChanged

void QDeclarativeSpringAnimation::syncChanged ( )
signal

◆ transition()

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

Reimplemented from QDeclarativePropertyAnimation.

Definition at line 439 of file qdeclarativespringanimation.cpp.

442 {
445 
446  if (d->clock->state() != QAbstractAnimation::Running) {
447  d->lastTime = 0;
448  }
449 
451 
452  if (!d->actions)
453  return;
454 
455  if (!d->actions->isEmpty()) {
456  for (int i = 0; i < d->actions->size(); ++i) {
457  const QDeclarativeProperty &property = d->actions->at(i).property;
459  = d->activeAnimations[property];
460  animation.to = d->actions->at(i).toValue.toReal();
461  animation.start = d->lastTime;
462  if (d->fromIsDefined)
463  animation.currentValue = d->actions->at(i).fromValue.toReal();
464  else
465  animation.currentValue = property.read().toReal();
467  qreal dist = qAbs(animation.currentValue - animation.to);
468  if (d->haveModulus && dist > d->modulus / 2)
469  dist = d->modulus - fmod(dist, d->modulus);
470  animation.duration = dist / d->velocityms;
471  }
472  }
473  }
474 }
double qreal
Definition: qglobal.h:1193
QDeclarativeParserStatus ** d
virtual void transition(QDeclarativeStateActions &actions, QDeclarativeProperties &modified, TransitionDirection direction)
Q_DECL_CONSTEXPR T qAbs(const T &t)
Definition: qglobal.h:1201
#define Q_D(Class)
Definition: qglobal.h:2482
The QDeclarativeProperty class abstracts accessing properties on objects created from QML...
#define Q_UNUSED(x)
Indicates to the compiler that the parameter with the specified name is not used in the body of a fun...
Definition: qglobal.h:1729
Qt::LayoutDirection direction

◆ velocity()

qreal QDeclarativeSpringAnimation::velocity ( ) const

Properties

◆ damping

qreal QDeclarativeSpringAnimation::damping
private

Definition at line 65 of file qdeclarativespringanimation_p.h.

◆ epsilon

qreal QDeclarativeSpringAnimation::epsilon
private

Definition at line 66 of file qdeclarativespringanimation_p.h.

◆ mass

qreal QDeclarativeSpringAnimation::mass
private

Definition at line 68 of file qdeclarativespringanimation_p.h.

◆ modulus

qreal QDeclarativeSpringAnimation::modulus
private

Definition at line 67 of file qdeclarativespringanimation_p.h.

◆ spring

qreal QDeclarativeSpringAnimation::spring
private

Definition at line 64 of file qdeclarativespringanimation_p.h.

◆ velocity

qreal QDeclarativeSpringAnimation::velocity
private

Definition at line 63 of file qdeclarativespringanimation_p.h.


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