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Internal/Contributor docs for the Qt SDK. <b>Note:</b> These are NOT official API docs; those are found <a href='https://doc.qt.io/'>here</a>.
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Public Types | Public Member Functions | Public Attributes | List of all members
QSGDefaultAnimationDriver Class Reference
+ Inheritance diagram for QSGDefaultAnimationDriver:
+ Collaboration diagram for QSGDefaultAnimationDriver:

Public Types

enum  Mode { VSyncMode , TimerMode }
 

Public Member Functions

 QSGDefaultAnimationDriver (QObject *parent)
 
void start () override
 
qint64 elapsed () const override
 Returns the number of milliseconds since the animations was started.
 
void advance () override
 Advances the animation.
 
bool isVSyncDependent () const override
 
- Public Member Functions inherited from QSGAnimationDriver
 QSGAnimationDriver (QObject *parent)
 
float vsyncInterval () const
 
- Public Member Functions inherited from QAnimationDriver
 QAnimationDriver (QObject *parent=nullptr)
 
 ~QAnimationDriver ()
 
void install ()
 Installs this animation driver.
 
void uninstall ()
 Uninstalls this animation driver.
 
bool isRunning () const
 
- 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.
 
bool moveToThread (QThread *thread QT6_DECL_NEW_OVERLOAD_TAIL)
 Changes the thread affinity for this object and its children and returns true on success.
 
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::nanoseconds time, Qt::TimerType timerType=Qt::CoarseTimer)
 
void killTimer (int id)
 Kills the timer with timer identifier, id.
 
void killTimer (Qt::TimerId id)
 
template<typename T >
T findChild (QAnyStringView aName, 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 (QAnyStringView 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 >
T findChild (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.
 
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 Attributes

double m_time
 
Mode m_mode
 
QElapsedTimer m_timer
 
QElapsedTimer m_wallTime
 
float m_lag
 
int m_bad
 
int m_good
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 
- Signals inherited from QAnimationDriver
void started ()
 This signal is emitted by the animation framework to notify the driver that continuous animation has started.
 
void stopped ()
 This signal is emitted by the animation framework to notify the driver that continuous animation has stopped.
 
- 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.
 
- 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)
 
- Protected Member Functions inherited from QAnimationDriver
void advanceAnimation ()
 Advances the animation.
 
virtual void stop ()
 
 QAnimationDriver (QAnimationDriverPrivate &dd, QObject *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)
 
- Protected Attributes inherited from QSGAnimationDriver
float m_vsync = 0
 
- Protected Attributes inherited from QObject
QScopedPointer< QObjectData > d_ptr
 
- Properties inherited from QObject
QString objectName
 the name of this object
 
- Related Symbols inherited from QObject
 Returns the given object cast to type T if the object is of type T (or of a subclass); otherwise returns \nullptr.
 
 
 
 \macro Q_CLASSINFO(Name, Value)
 

Detailed Description

Definition at line 113 of file qsgcontext.cpp.

Member Enumeration Documentation

◆ Mode

enum QSGDefaultAnimationDriver::Mode
Enumerator
VSyncMode 
TimerMode 

Definition at line 117 of file qsgcontext.cpp.

Constructor & Destructor Documentation

◆ QSGDefaultAnimationDriver()

QSGDefaultAnimationDriver::QSGDefaultAnimationDriver ( QObject * parent)
inline

Definition at line 122 of file qsgcontext.cpp.

References QUnifiedTimer::instance(), m_mode, QSGAnimationDriver::m_vsync, QGuiApplication::primaryScreen, qCDebug, qsg_useConsistentTiming(), screen, TimerMode, and VSyncMode.

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Member Function Documentation

◆ advance()

void QSGDefaultAnimationDriver::advance ( )
inlineoverridevirtual

Advances the animation.

This function should be continuously called by the driver while the animation is running.

Reimplemented from QAnimationDriver.

Definition at line 160 of file qsgcontext.cpp.

References QAnimationDriver::advanceAnimation(), elapsed(), m_bad, m_good, m_lag, m_mode, m_time, m_timer, QSGAnimationDriver::m_vsync, m_wallTime, qCDebug, qsg_useConsistentTiming(), QElapsedTimer::restart(), TimerMode, and VSyncMode.

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◆ elapsed()

qint64 QSGDefaultAnimationDriver::elapsed ( ) const
inlineoverridevirtual

Returns the number of milliseconds since the animations was started.

Reimplemented from QAnimationDriver.

Definition at line 153 of file qsgcontext.cpp.

References QElapsedTimer::elapsed(), m_mode, m_time, m_wallTime, and VSyncMode.

Referenced by advance().

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◆ isVSyncDependent()

bool QSGDefaultAnimationDriver::isVSyncDependent ( ) const
inlineoverridevirtual

Implements QSGAnimationDriver.

Definition at line 220 of file qsgcontext.cpp.

◆ start()

void QSGDefaultAnimationDriver::start ( )
inlineoverridevirtual

Reimplemented from QAnimationDriver.

Definition at line 145 of file qsgcontext.cpp.

References m_time, m_timer, m_wallTime, QElapsedTimer::restart(), QAnimationDriver::start(), and QElapsedTimer::start().

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Member Data Documentation

◆ m_bad

int QSGDefaultAnimationDriver::m_bad

Definition at line 230 of file qsgcontext.cpp.

Referenced by advance().

◆ m_good

int QSGDefaultAnimationDriver::m_good

Definition at line 231 of file qsgcontext.cpp.

Referenced by advance().

◆ m_lag

float QSGDefaultAnimationDriver::m_lag

Definition at line 229 of file qsgcontext.cpp.

Referenced by advance().

◆ m_mode

Mode QSGDefaultAnimationDriver::m_mode

Definition at line 226 of file qsgcontext.cpp.

Referenced by QSGDefaultAnimationDriver(), advance(), and elapsed().

◆ m_time

double QSGDefaultAnimationDriver::m_time

Definition at line 225 of file qsgcontext.cpp.

Referenced by advance(), elapsed(), and start().

◆ m_timer

QElapsedTimer QSGDefaultAnimationDriver::m_timer

Definition at line 227 of file qsgcontext.cpp.

Referenced by advance(), and start().

◆ m_wallTime

QElapsedTimer QSGDefaultAnimationDriver::m_wallTime

Definition at line 228 of file qsgcontext.cpp.

Referenced by advance(), elapsed(), and start().

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