Qt 6.x
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Public Slots | Signals | Public Member Functions | Static Public Member Functions | Public Attributes | Static Public Attributes | Protected Member Functions | Properties | List of all members
QQuickParticleSystem Class Reference

#include <qquickparticlesystem_p.h>

+ Inheritance diagram for QQuickParticleSystem:
+ Collaboration diagram for QQuickParticleSystem:

Public Slots

void start ()
 
void stop ()
 
void restart ()
 
void pause ()
 
void resume ()
 
void reset ()
 
void setRunning (bool arg)
 
void setPaused (bool arg)
 
virtual int duration () const
 
- Public Slots inherited from QQuickItem
void update ()
 Schedules a call to updatePaintNode() for this item.
 
- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 

Signals

void systemInitialized ()
 
void runningChanged (bool arg)
 
void pausedChanged (bool arg)
 
void emptyChanged (bool arg)
 
- Signals inherited from QQuickItem
void childrenRectChanged (const QRectF &)
 
void baselineOffsetChanged (qreal)
 
void stateChanged (const QString &)
 
void focusChanged (bool)
 
void activeFocusChanged (bool)
 
 Q_REVISION (2, 1) void activeFocusOnTabChanged(bool)
 
void parentChanged (QQuickItem *)
 
void transformOriginChanged (TransformOrigin)
 
void smoothChanged (bool)
 
void antialiasingChanged (bool)
 
void clipChanged (bool)
 
 Q_REVISION (2, 1) void windowChanged(QQuickWindow *window)
 
void childrenChanged ()
 
void opacityChanged ()
 
void enabledChanged ()
 
void visibleChanged ()
 
void visibleChildrenChanged ()
 
void rotationChanged ()
 
void scaleChanged ()
 
void xChanged ()
 
void yChanged ()
 
void widthChanged ()
 
void heightChanged ()
 
void zChanged ()
 
void implicitWidthChanged ()
 
void implicitHeightChanged ()
 
 Q_REVISION (2, 11) void containmentMaskChanged()
 
 Q_REVISION (6, 0) void paletteChanged()
 
 Q_REVISION (6, 0) void paletteCreated()
 
- Signals inherited from QObject
void destroyed (QObject *=nullptr)
 This signal is emitted immediately before the object obj is destroyed, after any instances of QPointer have been notified, and cannot be blocked.
 
void objectNameChanged (const QString &objectName, QPrivateSignal)
 This signal is emitted after the object's name has been changed.
 

Public Member Functions

 QQuickParticleSystem (QQuickItem *parent=nullptr)
 
 ~QQuickParticleSystem ()
 
bool isRunning () const
 
int count () const
 
void emitParticle (QQuickParticleData *p, QQuickParticleEmitter *particleEmitter)
 
QQuickParticleData * newDatum (int groupId, bool respectLimits=true, int sysIdx=-1)
 
void finishNewDatum (QQuickParticleData *)
 
void moveGroups (QQuickParticleData *d, int newGIdx)
 
int nextSystemIndex ()
 
int systemSync (QQuickParticlePainter *p)
 
int registerParticleGroupData (const QString &name, QQuickParticleGroupData *pgd)
 
void updateCurrentTime (int currentTime)
 
void registerParticlePainter (QQuickParticlePainter *p)
 
void registerParticleEmitter (QQuickParticleEmitter *e)
 
void finishRegisteringParticleEmitter (QQuickParticleEmitter *e)
 
void registerParticleAffector (QQuickParticleAffector *a)
 
void registerParticleGroup (QQuickParticleGroup *g)
 
bool isPaused () const
 
bool isEmpty () const
 
- Public Member Functions inherited from QQuickItem
 QQuickItem (QQuickItem *parent=nullptr)
 Constructs a QQuickItem with the given parent.
 
 ~QQuickItem () override
 Destroys the QQuickItem.
 
QQuickWindow * window () const
 Returns the window in which this item is rendered.
 
QQuickItem * parentItem () const
 
void setParentItem (QQuickItem *parent)
 
void stackBefore (const QQuickItem *)
 Moves the specified sibling item to the index before this item within the list of children.
 
void stackAfter (const QQuickItem *)
 Moves the specified sibling item to the index after this item within the list of children.
 
QRectF childrenRect ()
 \qmlpropertygroup QtQuick::Item::childrenRect \qmlproperty real QtQuick::Item::childrenRect.x \qmlproperty real QtQuick::Item::childrenRect.y \qmlproperty real QtQuick::Item::childrenRect.width \qmlproperty real QtQuick::Item::childrenRect.height \readonly
 
QList< QQuickItem * > childItems () const
 Returns the children of this item.
 
bool clip () const
 \qmlproperty bool QtQuick::Item::clip This property holds whether clipping is enabled.
 
void setClip (bool)
 
QString state () const
 \qmlproperty string QtQuick::Item::state
 
void setState (const QString &)
 
qreal baselineOffset () const
 \qmlproperty int QtQuick::Item::baselineOffset
 
void setBaselineOffset (qreal)
 
QQmlListProperty< QQuickTransform > transform ()
 
qreal x () const
 
qreal y () const
 
QPointF position () const
 
void setX (qreal)
 
void setY (qreal)
 
void setPosition (const QPointF &)
 
QBindable< qreal > bindableX ()
 
QBindable< qreal > bindableY ()
 
qreal width () const
 
void setWidth (qreal)
 
void resetWidth ()
 
void setImplicitWidth (qreal)
 
qreal implicitWidth () const
 Returns the width of the item that is implied by other properties that determine the content.
 
QBindable< qreal > bindableWidth ()
 
qreal height () const
 
void setHeight (qreal)
 
void resetHeight ()
 
void setImplicitHeight (qreal)
 
qreal implicitHeight () const
 
QBindable< qreal > bindableHeight ()
 
QSizeF size () const
 
void setSize (const QSizeF &size)
 
TransformOrigin transformOrigin () const
 
void setTransformOrigin (TransformOrigin)
 
QPointF transformOriginPoint () const
 
void setTransformOriginPoint (const QPointF &)
 
qreal z () const
 
void setZ (qreal)
 
qreal rotation () const
 
void setRotation (qreal)
 
qreal scale () const
 
void setScale (qreal)
 
qreal opacity () const
 
void setOpacity (qreal)
 
bool isVisible () const
 
void setVisible (bool)
 
bool isEnabled () const
 
void setEnabled (bool)
 
bool smooth () const
 
void setSmooth (bool)
 
bool activeFocusOnTab () const
 \qmlproperty bool QtQuick::Item::activeFocusOnTab
 
void setActiveFocusOnTab (bool)
 
bool antialiasing () const
 
void setAntialiasing (bool)
 
void resetAntialiasing ()
 
Flags flags () const
 Returns the item flags for this item.
 
void setFlag (Flag flag, bool enabled=true)
 Enables the specified flag for this item if enabled is true; if enabled is false, the flag is disabled.
 
void setFlags (Flags flags)
 Enables the specified flags for this item.
 
virtual QRectF boundingRect () const
 Returns the extents of the item in its own coordinate system: a rectangle from {0, 0} to \l width() and \l height().
 
virtual QRectF clipRect () const
 Returns the rectangular area within this item that is currently visible in \l viewportItem(), if there is a viewport and the \l ItemObservesViewport flag is set; otherwise, the extents of this item in its own coordinate system: a rectangle from {0, 0} to \l width() and \l height().
 
QQuickItem * viewportItem () const
 If the \l ItemObservesViewport flag is set, returns the nearest parent with the \l ItemIsViewport flag.
 
bool hasActiveFocus () const
 
bool hasFocus () const
 
void setFocus (bool)
 
void setFocus (bool focus, Qt::FocusReason reason)
 
bool isFocusScope () const
 Returns true if this item is a focus scope, and false otherwise.
 
QQuickItem * scopedFocusItem () const
 If this item is a focus scope, this returns the item in its focus chain that currently has focus.
 
bool isAncestorOf (const QQuickItem *child) const
 Returns true if this item is an ancestor of child (i.e., if this item is child's parent, or one of child's parent's ancestors).
 
Qt::MouseButtons acceptedMouseButtons () const
 Returns the mouse buttons accepted by this item.
 
void setAcceptedMouseButtons (Qt::MouseButtons buttons)
 Sets the mouse buttons accepted by this item to buttons.
 
bool acceptHoverEvents () const
 Returns whether hover events are accepted by this item.
 
void setAcceptHoverEvents (bool enabled)
 If enabled is true, this sets the item to accept hover events; otherwise, hover events are not accepted by this item.
 
bool acceptTouchEvents () const
 Returns whether touch events are accepted by this item.
 
void setAcceptTouchEvents (bool accept)
 If enabled is true, this sets the item to accept touch events; otherwise, touch events are not accepted by this item.
 
bool isUnderMouse () const
 
void grabMouse ()
 
void ungrabMouse ()
 
bool keepMouseGrab () const
 Returns whether mouse input should exclusively remain with this item.
 
void setKeepMouseGrab (bool)
 Sets whether the mouse input should remain exclusively with this item.
 
bool filtersChildMouseEvents () const
 Returns whether pointer events intended for this item's children should be filtered through this item.
 
void setFiltersChildMouseEvents (bool filter)
 Sets whether pointer events intended for this item's children should be filtered through this item.
 
void grabTouchPoints (const QList< int > &ids)
 
void ungrabTouchPoints ()
 
bool keepTouchGrab () const
 Returns whether the touch points grabbed by this item should exclusively remain with this item.
 
void setKeepTouchGrab (bool)
 Sets whether the touch points grabbed by this item should remain exclusively with this item.
 
 Q_REVISION (2, 4) Q_INVOKABLE bool grabToImage(const QJSValue &callback
 
QSharedPointer< QQuickItemGrabResult > grabToImage (const QSize &targetSize=QSize())
 Grabs the item into an in-memory image.
 
virtual Q_INVOKABLE bool contains (const QPointF &point) const
 \qmlmethod bool QtQuick::Item::contains(point point)
 
QObject * containmentMask () const
 
void setContainmentMask (QObject *mask)
 
QTransform itemTransform (QQuickItem *, bool *) const
 \qmlmethod point QtQuick::Item::mapFromItem(Item item, real x, real y) \qmlmethod point QtQuick::Item::mapFromItem(Item item, point p) \qmlmethod rect QtQuick::Item::mapFromItem(Item item, real x, real y, real width, real height) \qmlmethod rect QtQuick::Item::mapFromItem(Item item, rect r)
 
QPointF mapToScene (const QPointF &point) const
 Maps the given point in this item's coordinate system to the equivalent point within the scene's coordinate system, and returns the mapped coordinate.
 
QRectF mapRectToItem (const QQuickItem *item, const QRectF &rect) const
 Maps the given rect in this item's coordinate system to the equivalent rectangular area within item's coordinate system, and returns the mapped rectangle value.
 
QRectF mapRectToScene (const QRectF &rect) const
 Maps the given rect in this item's coordinate system to the equivalent rectangular area within the scene's coordinate system, and returns the mapped rectangle value.
 
QPointF mapFromScene (const QPointF &point) const
 Maps the given point in the scene's coordinate system to the equivalent point within this item's coordinate system, and returns the mapped coordinate.
 
QRectF mapRectFromItem (const QQuickItem *item, const QRectF &rect) const
 Maps the given rect in item's coordinate system to the equivalent rectangular area within this item's coordinate system, and returns the mapped rectangle value.
 
QRectF mapRectFromScene (const QRectF &rect) const
 Maps the given rect in the scene's coordinate system to the equivalent rectangular area within this item's coordinate system, and returns the mapped rectangle value.
 
void polish ()
 Schedules a polish event for this item.
 
Q_INVOKABLE QPointF mapFromItem (const QQuickItem *item, const QPointF &point) const
 Maps the given point in item's coordinate system to the equivalent point within this item's coordinate system, and returns the mapped coordinate.
 
Q_INVOKABLE QPointF mapFromItem (const QQuickItem *item, qreal x, qreal y)
 
Q_INVOKABLE QRectF mapFromItem (const QQuickItem *item, const QRectF &rect) const
 
Q_INVOKABLE QRectF mapFromItem (const QQuickItem *item, qreal x, qreal y, qreal width, qreal height) const
 
Q_INVOKABLE QPointF mapToItem (const QQuickItem *item, const QPointF &point) const
 Maps the given point in this item's coordinate system to the equivalent point within item's coordinate system, and returns the mapped coordinate.
 
Q_INVOKABLE QPointF mapToItem (const QQuickItem *item, qreal x, qreal y)
 
Q_INVOKABLE QRectF mapToItem (const QQuickItem *item, const QRectF &rect) const
 
Q_INVOKABLE QRectF mapToItem (const QQuickItem *item, qreal x, qreal y, qreal width, qreal height) const
 
 Q_REVISION (2, 7) Q_INVOKABLE QPointF mapFromGlobal(qreal x
 
 Q_REVISION (2, 7) Q_INVOKABLE QPointF mapFromGlobal(const QPointF &point) const
 
 Q_REVISION (2, 7) Q_INVOKABLE QPointF mapToGlobal(qreal x
 
 Q_REVISION (2, 7) Q_INVOKABLE QPointF mapToGlobal(const QPointF &point) const
 
Q_INVOKABLE void forceActiveFocus ()
 \qmlmethod point QtQuick::Item::mapToItem(Item item, real x, real y) \qmlmethod point QtQuick::Item::mapToItem(Item item, point p) \qmlmethod rect QtQuick::Item::mapToItem(Item item, real x, real y, real width, real height) \qmlmethod rect QtQuick::Item::mapToItem(Item item, rect r)
 
Q_INVOKABLE void forceActiveFocus (Qt::FocusReason reason)
 \qmlmethod QtQuick::Item::forceActiveFocus(Qt::FocusReason reason) This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.Forces active focus on the item with the given reason.
 
 Q_REVISION (2, 1) Q_INVOKABLE QQuickItem *nextItemInFocusChain(bool forward
 
Q_INVOKABLE QQuickItem * childAt (qreal x, qreal y) const
 \qmlmethod QtQuick::Item::childAt(real x, real y)
 
 Q_REVISION (6, 3) Q_INVOKABLE void ensurePolished()
 
 Q_REVISION (6, 3) Q_INVOKABLE void dumpItemTree() const
 
virtual bool isTextureProvider () const
 Returns true if this item is a texture provider.
 
virtual QSGTextureProvider * textureProvider () const
 Returns the texture provider for an item.
 
- Public Member Functions inherited from QObject
Q_INVOKABLE QObject (QObject *parent=nullptr)
 Constructs an object with parent object parent.
 
virtual ~QObject ()
 Destroys the object, deleting all its child objects.
 
virtual bool event (QEvent *event)
 This virtual function receives events to an object and should return true if the event e was recognized and processed.
 
virtual bool eventFilter (QObject *watched, QEvent *event)
 Filters events if this object has been installed as an event filter for the watched object.
 
QString objectName () const
 
Q_WEAK_OVERLOAD void setObjectName (const QString &name)
 Sets the object's name to name.
 
void setObjectName (QAnyStringView name)
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
QBindable< QString > bindableObjectName ()
 
bool isWidgetType () const
 Returns true if the object is a widget; otherwise returns false.
 
bool isWindowType () const
 Returns true if the object is a window; otherwise returns false.
 
bool isQuickItemType () const
 Returns true if the object is a QQuickItem; otherwise returns false.
 
bool signalsBlocked () const noexcept
 Returns true if signals are blocked; otherwise returns false.
 
bool blockSignals (bool b) noexcept
 If block is true, signals emitted by this object are blocked (i.e., emitting a signal will not invoke anything connected to it).
 
QThread * thread () const
 Returns the thread in which the object lives.
 
void moveToThread (QThread *thread)
 Changes the thread affinity for this object and its children.
 
int startTimer (int interval, Qt::TimerType timerType=Qt::CoarseTimer)
 This is an overloaded function that will start a timer of type timerType and a timeout of interval milliseconds.
 
int startTimer (std::chrono::milliseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
 
void killTimer (int id)
 Kills the timer with timer identifier, id.
 
template<typename T >
T findChild (const QString &aName=QString(), Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 Returns the child of this object that can be cast into type T and that is called name, or \nullptr if there is no such object.
 
template<typename T >
QList< T > findChildren (const QString &aName, Qt::FindChildOptions options=Qt::FindChildrenRecursively) 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.
 
template<typename T >
QList< T > findChildren (Qt::FindChildOptions options=Qt::FindChildrenRecursively) const
 This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts.
 
const QObjectList & children () const
 Returns a list of child objects.
 
void setParent (QObject *parent)
 Makes the object a child of parent.
 
void installEventFilter (QObject *filterObj)
 Installs an event filter filterObj on this object.
 
void removeEventFilter (QObject *obj)
 Removes an event filter object obj from this object.
 
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *member, Qt::ConnectionType type=Qt::AutoConnection) const
 
bool disconnect (const char *signal=nullptr, const QObject *receiver=nullptr, const char *member=nullptr) const
 
bool disconnect (const QObject *receiver, const char *member=nullptr) const
 
void dumpObjectTree () const
 Dumps a tree of children to the debug output.
 
void dumpObjectInfo () const
 Dumps information about signal connections, etc.
 
bool setProperty (const char *name, const QVariant &value)
 Sets the value of the object's name property to value.
 
bool setProperty (const char *name, QVariant &&value)
 
QVariant property (const char *name) const
 Returns the value of the object's name property.
 
QList< QByteArray > dynamicPropertyNames () const
 
QBindingStorage * bindingStorage ()
 
const QBindingStorage * bindingStorage () const
 
QObject * parent () const
 Returns a pointer to the parent object.
 
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.
 
- Public Member Functions inherited from QQmlParserStatus
 QQmlParserStatus ()
 
virtual ~QQmlParserStatus ()
 
virtual void classBegin ()=0
 Invoked after class creation, but before any properties have been set.
 
virtual void componentComplete ()=0
 Invoked after the root component that caused this instantiation has completed construction.
 

Static Public Member Functions

static void statePropertyRedirect (QQmlListProperty< QObject > *prop, QObject *value)
 
static void stateRedirect (QQuickParticleGroup *group, QQuickParticleSystem *sys, QObject *value)
 
- Static Public Member Functions inherited from QObject
static QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *member, Qt::ConnectionType=Qt::AutoConnection)
 \threadsafe
 
static QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::ContextTypeForFunctor< Func2 >::ContextType *context, Func2 &&slot, Qt::ConnectionType type=Qt::AutoConnection)
 
template<typename Func1 , typename Func2 >
static QMetaObject::Connection connect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, Func2 &&slot)
 
static bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *member)
 \threadsafe
 
static bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &member)
 
static bool disconnect (const QMetaObject::Connection &)
 Disconnect a connection.
 
template<typename Func1 , typename Func2 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const typename QtPrivate::FunctionPointer< Func2 >::Object *receiver, Func2 slot)
 
template<typename Func1 >
static bool disconnect (const typename QtPrivate::FunctionPointer< Func1 >::Object *sender, Func1 signal, const QObject *receiver, void **zero)
 

Public Attributes

QSet< QQuickParticleData * > needsReset
 
QVector< QQuickParticleData * > bySysIdx
 
QQuickStochasticEngine * stateEngine
 
QHash< QString, int > groupIds
 
QVarLengthArray< QQuickParticleGroupData *, 32 > groupData
 
int nextFreeGroupId
 
QQuickParticleSystemAnimation * m_animation
 
bool m_running
 
bool m_debugMode
 
int timeInt
 
bool initialized
 
int particleCount
 
- Public Attributes inherited from QQuickItem
const QSize & targetSize = QSize())
 
qreal y const
 

Static Public Attributes

static const int maxLife = 600000
 

Protected Member Functions

void componentComplete () override
 \reimp Derived classes should call the base class method before adding their own actions to perform at componentComplete.
 
- Protected Member Functions inherited from QQuickItem
bool event (QEvent *) override
 \reimp
 
bool isComponentComplete () const
 Returns true if construction of the QML component is complete; otherwise returns false.
 
virtual void itemChange (ItemChange, const ItemChangeData &)
 Called when change occurs for this item.
 
virtual void geometryChange (const QRectF &newGeometry, const QRectF &oldGeometry)
 
bool widthValid () const
 Returns whether the width property has been set explicitly.
 
bool heightValid () const
 Returns whether the height property has been set explicitly.
 
void setImplicitSize (qreal, qreal)
 
void classBegin () override
 \reimp Derived classes should call the base class method before adding their own action to perform at classBegin.
 
void componentComplete () override
 \reimp Derived classes should call the base class method before adding their own actions to perform at componentComplete.
 
virtual void keyPressEvent (QKeyEvent *event)
 This event handler can be reimplemented in a subclass to receive key press events for an item.
 
virtual void keyReleaseEvent (QKeyEvent *event)
 This event handler can be reimplemented in a subclass to receive key release events for an item.
 
virtual void focusInEvent (QFocusEvent *)
 This event handler can be reimplemented in a subclass to receive focus-in events for an item.
 
virtual void focusOutEvent (QFocusEvent *)
 This event handler can be reimplemented in a subclass to receive focus-out events for an item.
 
virtual void mousePressEvent (QMouseEvent *event)
 This event handler can be reimplemented in a subclass to receive mouse press events for an item.
 
virtual void mouseMoveEvent (QMouseEvent *event)
 This event handler can be reimplemented in a subclass to receive mouse move events for an item.
 
virtual void mouseReleaseEvent (QMouseEvent *event)
 This event handler can be reimplemented in a subclass to receive mouse release events for an item.
 
virtual void mouseDoubleClickEvent (QMouseEvent *event)
 This event handler can be reimplemented in a subclass to receive mouse double-click events for an item.
 
virtual void mouseUngrabEvent ()
 This event handler can be reimplemented in a subclass to be notified when a mouse ungrab event has occurred on this item.
 
virtual void touchUngrabEvent ()
 This event handler can be reimplemented in a subclass to be notified when a touch ungrab event has occurred on this item.
 
virtual void touchEvent (QTouchEvent *event)
 This event handler can be reimplemented in a subclass to receive touch events for an item.
 
virtual void hoverEnterEvent (QHoverEvent *event)
 This event handler can be reimplemented in a subclass to receive hover-enter events for an item.
 
virtual void hoverMoveEvent (QHoverEvent *event)
 This event handler can be reimplemented in a subclass to receive hover-move events for an item.
 
virtual void hoverLeaveEvent (QHoverEvent *event)
 This event handler can be reimplemented in a subclass to receive hover-leave events for an item.
 
virtual bool childMouseEventFilter (QQuickItem *, QEvent *)
 Reimplement this method to filter the pointer events that are received by this item's children.
 
virtual QSGNode * updatePaintNode (QSGNode *, UpdatePaintNodeData *)
 Called on the render thread when it is time to sync the state of the item with the scene graph.
 
virtual void releaseResources ()
 This function is called when an item should release graphics resources which are not already managed by the nodes returned from QQuickItem::updatePaintNode().
 
virtual void updatePolish ()
 This function should perform any layout as required for this item.
 
 QQuickItem (QQuickItemPrivate &dd, QQuickItem *parent=nullptr)
 
- Protected Member Functions inherited from QObject
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 \nullptr.
 
int senderSignalIndex () const
 
int receivers (const char *signal) const
 Returns the number of receivers connected to the signal.
 
bool isSignalConnected (const QMetaMethod &signal) const
 
virtual void timerEvent (QTimerEvent *event)
 This event handler can be reimplemented in a subclass to receive timer events for the object.
 
virtual void childEvent (QChildEvent *event)
 This event handler can be reimplemented in a subclass to receive child events.
 
virtual void customEvent (QEvent *event)
 This event handler can be reimplemented in a subclass to receive custom events.
 
virtual void connectNotify (const QMetaMethod &signal)
 
virtual void disconnectNotify (const QMetaMethod &signal)
 
 QObject (QObjectPrivate &dd, QObject *parent=nullptr)
 

Properties

bool running
 
bool paused
 
bool empty
 
- Properties inherited from QQuickItem
QQuickItem * parent
 \qmlproperty Item QtQuick::Item::parent This property holds the visual parent of the item.
 
qreal x
 \qmlproperty real QtQuick::Item::x \qmlproperty real QtQuick::Item::y \qmlproperty real QtQuick::Item::width \qmlproperty real QtQuick::Item::height
 
qreal y
 Defines the item's y position relative to its parent.
 
qreal z
 \qmlproperty real QtQuick::Item::z
 
qreal width
 This property holds the width of this item.
 
qreal height
 This property holds the height of this item.
 
qreal opacity
 \qmlproperty real QtQuick::Item::opacity
 
bool enabled
 \qmlproperty bool QtQuick::Item::enabled
 
bool visible
 \qmlproperty bool QtQuick::Item::visible
 
qreal rotation
 \qmlproperty real QtQuick::Item::rotation This property holds the rotation of the item in degrees clockwise around its transformOrigin.
 
qreal scale
 \qmlproperty real QtQuick::Item::scale This property holds the scale factor for this item.
 
TransformOrigin transformOrigin
 \qmlproperty enumeration QtQuick::Item::transformOrigin This property holds the origin point around which scale and rotation transform.
 
QPointF transformOriginPoint
 
QQmlListProperty< QQuickTransform > transform
 \qmlproperty list<Transform> QtQuick::Item::transform This property holds the list of transformations to apply.
 
bool smooth
 \qmlproperty bool QtQuick::Item::smooth
 
bool antialiasing
 \qmlproperty bool QtQuick::Item::antialiasing
 
qreal implicitWidth
 
qreal implicitHeight
 
QObject * containmentMask
 \qmlproperty QObject* QtQuick::Item::containmentMask
 
- Properties inherited from QObject
QString objectName
 the name of this object
 

Additional Inherited Members

- Public Types inherited from QQuickItem
enum  Flag {
  ItemClipsChildrenToShape = 0x01 , ItemIsFocusScope = 0x04 , ItemHasContents = 0x08 , ItemAcceptsDrops = 0x10 ,
  ItemIsViewport = 0x20 , ItemObservesViewport = 0x40
}
 
enum  ItemChange {
  ItemChildAddedChange , ItemChildRemovedChange , ItemSceneChange , ItemVisibleHasChanged ,
  ItemParentHasChanged , ItemOpacityHasChanged , ItemActiveFocusHasChanged , ItemRotationHasChanged ,
  ItemAntialiasingHasChanged , ItemDevicePixelRatioHasChanged , ItemEnabledHasChanged
}
 Used in conjunction with QQuickItem::itemChange() to notify the item about certain types of changes. More...
 
enum  TransformOrigin {
  TopLeft , Top , TopRight , Left ,
  Center , Right , BottomLeft , Bottom ,
  BottomRight
}
 \variable QQuickItem::ItemChangeData::realValue The numeric value that has changed: \l {QQuickItem::opacity()}{opacity}, \l {QQuickItem::rotation()}{rotation}, or \l {QScreen::devicePixelRatio}{device pixel ratio}. More...
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectData > d_ptr
 
- Related Symbols inherited from QObject
template< class T > T qobject_cast (const QObject *object)
 Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
 
template< typename T > T qFindChildqFindChildren (const QObject *obj, const QString &name)()
 
template< typename T > QList< T > qFindChildrenqFindChildren (const QObject *obj, const QString &name)()
 
 QObjectList
 \macro Q_CLASSINFO(Name, Value)
 

Detailed Description

Definition at line 312 of file qquickparticlesystem_p.h.

Constructor & Destructor Documentation

◆ QQuickParticleSystem()

QQuickParticleSystem::QQuickParticleSystem ( QQuickItem *  parent = nullptr)
explicit

Definition at line 528 of file qquickparticlesystem.cpp.

References m_debugMode.

◆ ~QQuickParticleSystem()

QQuickParticleSystem::~QQuickParticleSystem ( )

Definition at line 544 of file qquickparticlesystem.cpp.

References groupData.

Member Function Documentation

◆ componentComplete()

void QQuickParticleSystem::componentComplete ( )
overrideprotectedvirtual

\reimp Derived classes should call the base class method before adding their own actions to perform at componentComplete.

Reimplemented from QQuickItem.

Definition at line 718 of file qquickparticlesystem.cpp.

References QQuickItem::componentComplete(), m_animation, and reset().

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◆ count()

int QQuickParticleSystem::count ( ) const
inline

Definition at line 330 of file qquickparticlesystem_p.h.

◆ duration

virtual int QQuickParticleSystem::duration ( ) const
inlinevirtualslot

Definition at line 355 of file qquickparticlesystem_p.h.

◆ emitParticle()

void QQuickParticleSystem::emitParticle ( QQuickParticleData *  p,
QQuickParticleEmitter *  particleEmitter 
)

Definition at line 982 of file qquickparticlesystem.cpp.

References finishNewDatum(), QQuickItem::itemTransform(), QQuickParticleData::x, and QQuickParticleData::y.

Referenced by QQuickParticleEmitter::emitWindow(), and QQuickTrailEmitter::emitWindow().

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◆ emptyChanged

void QQuickParticleSystem::emptyChanged ( bool  arg)
signal

Referenced by updateCurrentTime().

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◆ finishNewDatum()

void QQuickParticleSystem::finishNewDatum ( QQuickParticleData *  pd)

Definition at line 997 of file qquickparticlesystem.cpp.

References groupData, QQuickParticleData::groupId, and Q_ASSERT.

Referenced by emitParticle(), and moveGroups().

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◆ finishRegisteringParticleEmitter()

void QQuickParticleSystem::finishRegisteringParticleEmitter ( QQuickParticleEmitter *  e)

Definition at line 590 of file qquickparticlesystem.cpp.

References QObject::connect(), e, SIGNAL, and SLOT.

Referenced by QQuickParticleEmitter::componentComplete().

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◆ isEmpty()

bool QQuickParticleSystem::isEmpty ( ) const
inline

Definition at line 412 of file qquickparticlesystem_p.h.

◆ isPaused()

bool QQuickParticleSystem::isPaused ( ) const
inline

Definition at line 407 of file qquickparticlesystem_p.h.

Referenced by QQuickImageParticle::updatePaintNode().

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◆ isRunning()

bool QQuickParticleSystem::isRunning ( ) const
inline

Definition at line 325 of file qquickparticlesystem_p.h.

References m_running.

Referenced by QQuickImageParticle::updatePaintNode().

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◆ moveGroups()

void QQuickParticleSystem::moveGroups ( QQuickParticleData *  d,
int  newGIdx 
)

Definition at line 921 of file qquickparticlesystem.cpp.

References QQuickParticleData::clone(), d, finishNewDatum(), groupData, and newDatum().

Referenced by QQuickGroupGoalAffector::affectParticle(), and QQuickSpriteGoalAffector::affectParticle().

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◆ newDatum()

QQuickParticleData * QQuickParticleSystem::newDatum ( int  groupId,
bool  respectLimits = true,
int  sysIdx = -1 
)

Definition at line 953 of file qquickparticlesystem.cpp.

References bySysIdx, groupData, nextSystemIndex(), Q_ASSERT, ret, QVLABaseBase::size(), QQuickStochasticEngine::start(), stateEngine, and QQuickStochasticEngine::stop().

Referenced by QQuickParticleEmitter::emitWindow(), QQuickTrailEmitter::emitWindow(), and moveGroups().

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◆ nextSystemIndex()

int QQuickParticleSystem::nextSystemIndex ( )

Definition at line 937 of file qquickparticlesystem.cpp.

References QSet< T >::begin(), bySysIdx, QSet< T >::isEmpty(), QSet< T >::remove(), ret, QQuickStochasticEngine::setCount(), and stateEngine.

Referenced by newDatum().

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◆ pause

void QQuickParticleSystem::pause ( )
inlineslot

Definition at line 348 of file qquickparticlesystem_p.h.

◆ pausedChanged

void QQuickParticleSystem::pausedChanged ( bool  arg)
signal

Referenced by setPaused().

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◆ registerParticleAffector()

void QQuickParticleSystem::registerParticleAffector ( QQuickParticleAffector *  a)

Definition at line 601 of file qquickparticlesystem.cpp.

References QListSpecialMethodsBase< T >::contains(), m_debugMode, and qDebug.

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◆ registerParticleEmitter()

void QQuickParticleSystem::registerParticleEmitter ( QQuickParticleEmitter *  e)

Definition at line 583 of file qquickparticlesystem.cpp.

References e, m_debugMode, and qDebug.

◆ registerParticleGroup()

void QQuickParticleSystem::registerParticleGroup ( QQuickParticleGroup *  g)

Definition at line 609 of file qquickparticlesystem.cpp.

References m_debugMode, and qDebug.

Referenced by QQuickParticleGroup::setSystem().

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◆ registerParticleGroupData()

int QQuickParticleSystem::registerParticleGroupData ( const QString &  name,
QQuickParticleGroupData *  pgd 
)

Definition at line 691 of file qquickparticlesystem.cpp.

References QHash< Key, T >::contains(), groupData, groupIds, QHash< Key, T >::insert(), nextFreeGroupId, QVarLengthArray< T, Prealloc >::push_back(), Q_ASSERT, and QVLABaseBase::size().

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◆ registerParticlePainter()

void QQuickParticleSystem::registerParticlePainter ( QQuickParticlePainter *  p)

Definition at line 572 of file qquickparticlesystem.cpp.

References QObject::connect(), QQuickParticlePainter::groupsChanged(), m_debugMode, qDebug, and Qt::QueuedConnection.

Referenced by QQuickParticlePainter::setSystem().

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◆ reset

void QQuickParticleSystem::reset ( )
slot

Definition at line 727 of file qquickparticlesystem.cpp.

References bySysIdx, e, initialized, m_animation, m_running, QAbstractAnimation::pause(), QList< T >::removeAll(), QAbstractAnimation::Running, QAbstractAnimation::start(), QAbstractAnimation::state, QAbstractAnimation::stop(), and timeInt.

Referenced by componentComplete(), and setRunning().

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◆ restart

void QQuickParticleSystem::restart ( )
inlineslot

Definition at line 347 of file qquickparticlesystem_p.h.

◆ resume

void QQuickParticleSystem::resume ( )
inlineslot

Definition at line 349 of file qquickparticlesystem_p.h.

◆ runningChanged

void QQuickParticleSystem::runningChanged ( bool  arg)
signal

Referenced by setRunning().

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◆ setPaused

void QQuickParticleSystem::setPaused ( bool  arg)
slot

Definition at line 629 of file qquickparticlesystem.cpp.

References arg, emit, m_animation, QAbstractAnimation::pause(), pausedChanged(), QAbstractAnimation::resume(), QAbstractAnimation::state, and QAbstractAnimation::Stopped.

Referenced by setRunning().

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◆ setRunning

void QQuickParticleSystem::setRunning ( bool  arg)
slot

Definition at line 617 of file qquickparticlesystem.cpp.

References arg, emit, m_animation, m_running, reset(), runningChanged(), setPaused(), QAbstractAnimation::start(), and QAbstractAnimation::stop().

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◆ start

void QQuickParticleSystem::start ( )
inlineslot

Definition at line 345 of file qquickparticlesystem_p.h.

◆ statePropertyRedirect()

void QQuickParticleSystem::statePropertyRedirect ( QQmlListProperty< QObject > *  prop,
QObject *  value 
)
static

Definition at line 645 of file qquickparticlesystem.cpp.

References QQmlListProperty< T >::object, QObject::parent(), and stateRedirect().

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◆ stateRedirect()

void QQuickParticleSystem::stateRedirect ( QQuickParticleGroup *  group,
QQuickParticleSystem *  sys,
QObject *  value 
)
static

Definition at line 655 of file qquickparticlesystem.cpp.

References e, list, qWarning, QQuickTrailEmitter::setFollow(), QQuickItem::setParentItem(), and QQuickParticleEmitter::setSystem().

Referenced by statePropertyRedirect().

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◆ stop

void QQuickParticleSystem::stop ( )
inlineslot

Definition at line 346 of file qquickparticlesystem_p.h.

◆ systemInitialized

void QQuickParticleSystem::systemInitialized ( )
signal

◆ systemSync()

int QQuickParticleSystem::systemSync ( QQuickParticlePainter *  p)

Definition at line 1046 of file qquickparticlesystem.cpp.

References initialized, m_running, and timeInt.

Referenced by QQuickItemParticle::prepareNextFrame(), and QQuickImageParticle::prepareNextFrame().

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◆ updateCurrentTime()

void QQuickParticleSystem::updateCurrentTime ( int  currentTime)

Definition at line 1010 of file qquickparticlesystem.cpp.

References QSet< T >::clear(), currentTime(), d, emptyChanged(), groupData, initialized, needsReset, QList< T >::removeAll(), stateEngine, time, timeInt, and QQuickStochasticEngine::updateSprites().

Referenced by QQuickParticleSystemAnimation::updateCurrentTime().

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Member Data Documentation

◆ bySysIdx

QVector<QQuickParticleData*> QQuickParticleSystem::bySysIdx

Definition at line 381 of file qquickparticlesystem_p.h.

Referenced by newDatum(), nextSystemIndex(), and reset().

◆ groupData

QVarLengthArray<QQuickParticleGroupData*, 32> QQuickParticleSystem::groupData

Definition at line 385 of file qquickparticlesystem_p.h.

Referenced by ~QQuickParticleSystem(), QQuickSpriteGoalAffector::affectParticle(), QQuickParticleAffector::affectSystem(), QQuickCustomAffector::affectSystem(), QQuickTurbulenceAffector::affectSystem(), QQuickParticlePainter::calcSystemOffset(), QQuickImageParticle::commit(), QQuickTrailEmitter::emitWindow(), finishNewDatum(), QQuickItemParticle::give(), QQuickImageParticle::initialize(), moveGroups(), newDatum(), QQuickItemParticle::prepareNextFrame(), QQuickImageParticle::prepareNextFrame(), registerParticleGroupData(), QQuickItemParticle::reset(), QQuickImageParticle::resetColor(), QQuickImageParticle::resetDeformation(), QQuickImageParticle::resetRotation(), and updateCurrentTime().

◆ groupIds

QHash<QString, int> QQuickParticleSystem::groupIds

Definition at line 384 of file qquickparticlesystem_p.h.

Referenced by QQuickParticleAffector::activeGroup(), QQuickGroupGoalAffector::affectParticle(), QQuickParticlePainter::calcSystemOffset(), QQuickParticleEmitter::emitWindow(), QQuickTrailEmitter::emitWindow(), QQuickParticleGroupData::name(), QQuickParticleEmitter::reclaculateGroupId(), and registerParticleGroupData().

◆ initialized

bool QQuickParticleSystem::initialized

Definition at line 396 of file qquickparticlesystem_p.h.

Referenced by reset(), systemSync(), and updateCurrentTime().

◆ m_animation

QQuickParticleSystemAnimation* QQuickParticleSystem::m_animation

Definition at line 391 of file qquickparticlesystem_p.h.

Referenced by componentComplete(), reset(), setPaused(), and setRunning().

◆ m_debugMode

bool QQuickParticleSystem::m_debugMode

Definition at line 393 of file qquickparticlesystem_p.h.

Referenced by QQuickParticleSystem(), registerParticleAffector(), registerParticleEmitter(), registerParticleGroup(), and registerParticlePainter().

◆ m_running

bool QQuickParticleSystem::m_running

Definition at line 392 of file qquickparticlesystem_p.h.

Referenced by reset(), setRunning(), and systemSync().

◆ maxLife

const int QQuickParticleSystem::maxLife = 600000
static

Definition at line 335 of file qquickparticlesystem_p.h.

Referenced by QQuickParticleEmitter::emitWindow(), and QQuickParticleGroupData::prepareRecycler().

◆ needsReset

QSet<QQuickParticleData*> QQuickParticleSystem::needsReset

Definition at line 380 of file qquickparticlesystem_p.h.

Referenced by QQuickParticleAffector::postAffect(), and updateCurrentTime().

◆ nextFreeGroupId

int QQuickParticleSystem::nextFreeGroupId

Definition at line 386 of file qquickparticlesystem_p.h.

Referenced by registerParticleGroupData().

◆ particleCount

int QQuickParticleSystem::particleCount

Definition at line 397 of file qquickparticlesystem_p.h.

◆ stateEngine

QQuickStochasticEngine* QQuickParticleSystem::stateEngine

Definition at line 382 of file qquickparticlesystem_p.h.

Referenced by QQuickGroupGoalAffector::affectParticle(), QQuickSpriteGoalAffector::affectParticle(), newDatum(), nextSystemIndex(), and updateCurrentTime().

◆ timeInt

int QQuickParticleSystem::timeInt

Definition at line 395 of file qquickparticlesystem_p.h.

Referenced by QQuickAgeAffector::affectParticle(), QQuickParticleAffector::affectSystem(), QQuickCustomAffector::affectSystem(), QQuickParticleData::alive(), QQuickParticleData::curVX(), QQuickParticleData::curVY(), QQuickParticleData::curX(), QQuickParticleData::curY(), QQuickParticleData::debugDump(), QQuickParticleData::extendLife(), QQuickParticleData::lifeLeft(), QQuickParticleGroupData::prepareRecycler(), QQuickParticleGroupData::recycle(), reset(), QQuickParticleData::setInstantaneousAX(), QQuickParticleData::setInstantaneousAY(), QQuickParticleData::setInstantaneousVX(), QQuickParticleData::setInstantaneousVY(), QQuickParticleData::setInstantaneousX(), QQuickParticleData::setInstantaneousY(), QQuickParticleData::stillAlive(), systemSync(), and updateCurrentTime().

Property Documentation

◆ empty

bool QQuickParticleSystem::empty
read

Definition at line 309 of file qquickparticlesystem_p.h.

◆ paused

bool QQuickParticleSystem::paused
readwrite

Definition at line 309 of file qquickparticlesystem_p.h.

◆ running

bool QQuickParticleSystem::running
readwrite

Definition at line 309 of file qquickparticlesystem_p.h.

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