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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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QQuickDrag Class Reference

#include <qquickdrag_p.h>

+ Inheritance diagram for QQuickDrag:
+ Collaboration diagram for QQuickDrag:

Public Types

enum  DragType { None , Automatic , Internal }
 
enum  Axis { XAxis =0x01 , YAxis =0x02 , XAndYAxis =0x03 , XandYAxis =XAndYAxis }
 

Signals

void targetChanged ()
 
void axisChanged ()
 
void minimumXChanged ()
 
void maximumXChanged ()
 
void minimumYChanged ()
 
void maximumYChanged ()
 
void activeChanged ()
 
void filterChildrenChanged ()
 
void smoothedChanged ()
 
void thresholdChanged ()
 
- 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

 QQuickDrag (QObject *parent=nullptr)
 
 ~QQuickDrag ()
 
QQuickItemtarget () const
 
void setTarget (QQuickItem *target)
 
void resetTarget ()
 
Axis axis () const
 
void setAxis (Axis)
 
qreal xmin () const
 
void setXmin (qreal)
 
qreal xmax () const
 
void setXmax (qreal)
 
qreal ymin () const
 
void setYmin (qreal)
 
qreal ymax () const
 
void setYmax (qreal)
 
bool smoothed () const
 
void setSmoothed (bool smooth)
 
qreal threshold () const
 
void setThreshold (qreal)
 
void resetThreshold ()
 
bool active () const
 
void setActive (bool)
 
bool filterChildren () const
 
void setFilterChildren (bool)
 
- 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< QStringbindableObjectName ()
 
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).
 
QThreadthread () 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 >
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 >
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 QObjectListchildren () 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< QByteArraydynamicPropertyNames () const
 
QBindingStoragebindingStorage ()
 
const QBindingStoragebindingStorage () const
 
QObjectparent () 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.
 

Static Public Member Functions

static QQuickDragAttachedqmlAttachedProperties (QObject *obj)
 
- 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)
 

Properties

QQuickItemtarget
 
Axis axis
 
qreal minimumX
 
qreal maximumX
 
qreal minimumY
 
qreal maximumY
 
bool active
 
bool filterChildren
 
bool smoothed
 
qreal threshold
 
- Properties inherited from QObject
QString objectName
 the name of this object
 

Additional Inherited Members

- Public Slots inherited from QObject
void deleteLater ()
 \threadsafe
 
- Protected Member Functions inherited from QObject
QObjectsender () 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 QObject
QScopedPointer< QObjectDatad_ptr
 

Detailed Description

Definition at line 123 of file qquickdrag_p.h.

Member Enumeration Documentation

◆ Axis

Enumerator
XAxis 
YAxis 
XAndYAxis 
XandYAxis 

Definition at line 157 of file qquickdrag_p.h.

◆ DragType

Enumerator
None 
Automatic 
Internal 

Definition at line 150 of file qquickdrag_p.h.

Constructor & Destructor Documentation

◆ QQuickDrag()

QQuickDrag::QQuickDrag ( QObject * parent = nullptr)

Definition at line 889 of file qquickdrag.cpp.

◆ ~QQuickDrag()

QQuickDrag::~QQuickDrag ( )

Definition at line 896 of file qquickdrag.cpp.

Member Function Documentation

◆ active()

bool QQuickDrag::active ( ) const

Definition at line 1017 of file qquickdrag.cpp.

◆ activeChanged

void QQuickDrag::activeChanged ( )
signal

Referenced by setActive().

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◆ axis()

QQuickDrag::Axis QQuickDrag::axis ( ) const

Definition at line 921 of file qquickdrag.cpp.

◆ axisChanged

void QQuickDrag::axisChanged ( )
signal

Referenced by setAxis().

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◆ filterChildren()

bool QQuickDrag::filterChildren ( ) const

Definition at line 1030 of file qquickdrag.cpp.

◆ filterChildrenChanged

void QQuickDrag::filterChildrenChanged ( )
signal

Referenced by setFilterChildren().

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◆ maximumXChanged

void QQuickDrag::maximumXChanged ( )
signal

Referenced by setXmax().

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◆ maximumYChanged

void QQuickDrag::maximumYChanged ( )
signal

Referenced by setYmax().

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◆ minimumXChanged

void QQuickDrag::minimumXChanged ( )
signal

Referenced by setXmin().

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◆ minimumYChanged

void QQuickDrag::minimumYChanged ( )
signal

Referenced by setYmin().

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◆ qmlAttachedProperties()

QQuickDragAttached * QQuickDrag::qmlAttachedProperties ( QObject * obj)
static

Definition at line 1043 of file qquickdrag.cpp.

◆ resetTarget()

void QQuickDrag::resetTarget ( )

Definition at line 913 of file qquickdrag.cpp.

References emit, and targetChanged().

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◆ resetThreshold()

void QQuickDrag::resetThreshold ( )

Definition at line 1012 of file qquickdrag.cpp.

References setThreshold(), and QGuiApplication::styleHints().

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◆ setActive()

void QQuickDrag::setActive ( bool drag)

Definition at line 1022 of file qquickdrag.cpp.

References activeChanged(), and emit.

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◆ setAxis()

void QQuickDrag::setAxis ( QQuickDrag::Axis a)

Definition at line 926 of file qquickdrag.cpp.

References axisChanged(), and emit.

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◆ setFilterChildren()

void QQuickDrag::setFilterChildren ( bool filter)

Definition at line 1035 of file qquickdrag.cpp.

References emit, and filterChildrenChanged().

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◆ setSmoothed()

void QQuickDrag::setSmoothed ( bool smooth)

Definition at line 991 of file qquickdrag.cpp.

References emit, and smoothedChanged().

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◆ setTarget()

void QQuickDrag::setTarget ( QQuickItem * target)

Definition at line 905 of file qquickdrag.cpp.

References emit, and targetChanged().

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◆ setThreshold()

void QQuickDrag::setThreshold ( qreal value)

Definition at line 1004 of file qquickdrag.cpp.

References emit, and thresholdChanged().

Referenced by resetThreshold().

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◆ setXmax()

void QQuickDrag::setXmax ( qreal m)

Definition at line 952 of file qquickdrag.cpp.

References emit, and maximumXChanged().

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◆ setXmin()

void QQuickDrag::setXmin ( qreal m)

Definition at line 939 of file qquickdrag.cpp.

References emit, and minimumXChanged().

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◆ setYmax()

void QQuickDrag::setYmax ( qreal m)

Definition at line 978 of file qquickdrag.cpp.

References emit, and maximumYChanged().

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◆ setYmin()

void QQuickDrag::setYmin ( qreal m)

Definition at line 965 of file qquickdrag.cpp.

References emit, and minimumYChanged().

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◆ smoothed()

bool QQuickDrag::smoothed ( ) const

Definition at line 986 of file qquickdrag.cpp.

◆ smoothedChanged

void QQuickDrag::smoothedChanged ( )
signal

Referenced by setSmoothed().

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◆ target()

QQuickItem * QQuickDrag::target ( ) const

Definition at line 900 of file qquickdrag.cpp.

◆ targetChanged

void QQuickDrag::targetChanged ( )
signal

Referenced by resetTarget(), and setTarget().

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◆ threshold()

qreal QQuickDrag::threshold ( ) const

Definition at line 999 of file qquickdrag.cpp.

◆ thresholdChanged

void QQuickDrag::thresholdChanged ( )
signal

Referenced by setThreshold().

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◆ xmax()

qreal QQuickDrag::xmax ( ) const

Definition at line 947 of file qquickdrag.cpp.

◆ xmin()

qreal QQuickDrag::xmin ( ) const

Definition at line 934 of file qquickdrag.cpp.

◆ ymax()

qreal QQuickDrag::ymax ( ) const

Definition at line 973 of file qquickdrag.cpp.

◆ ymin()

qreal QQuickDrag::ymin ( ) const

Definition at line 960 of file qquickdrag.cpp.

Property Documentation

◆ active

bool QQuickDrag::active
read

Definition at line 133 of file qquickdrag_p.h.

◆ axis

Axis QQuickDrag::axis
readwrite

Definition at line 128 of file qquickdrag_p.h.

◆ filterChildren

bool QQuickDrag::filterChildren
readwrite

Definition at line 134 of file qquickdrag_p.h.

◆ maximumX

qreal QQuickDrag::maximumX
readwrite

Definition at line 130 of file qquickdrag_p.h.

◆ maximumY

qreal QQuickDrag::maximumY
readwrite

Definition at line 132 of file qquickdrag_p.h.

◆ minimumX

qreal QQuickDrag::minimumX
readwrite

Definition at line 129 of file qquickdrag_p.h.

◆ minimumY

qreal QQuickDrag::minimumY
readwrite

Definition at line 131 of file qquickdrag_p.h.

◆ smoothed

bool QQuickDrag::smoothed
readwrite

Definition at line 135 of file qquickdrag_p.h.

◆ target

QQuickItem * QQuickDrag::target
readwrite

Definition at line 127 of file qquickdrag_p.h.

◆ threshold

qreal QQuickDrag::threshold
readwrite

Definition at line 138 of file qquickdrag_p.h.


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