QCameraLocksControl Class

The QCameraLocksControl class is an abstract base class for classes that control still cameras or video cameras. More...

Header: #include <QCameraLocksControl>
qmake: QT += multimedia
Inherits: QMediaControl

Public Functions

virtual QCamera::LockStatus lockStatus(QCamera::LockType lock) const = 0
virtual void searchAndLock(QCamera::LockTypes locks) = 0
virtual QCamera::LockTypes supportedLocks() const = 0
virtual void unlock(QCamera::LockTypes locks) = 0
  • 31 public functions inherited from QObject


void lockStatusChanged(QCamera::LockType lock, QCamera::LockStatus status, QCamera::LockChangeReason reason)

Protected Functions

QCameraLocksControl(QObject *parent = Q_NULLPTR)
  • 9 protected functions inherited from QObject


Additional Inherited Members

  • 1 property inherited from QObject
  • 1 public slot inherited from QObject
  • 11 static public members inherited from QObject

Detailed Description

The QCameraLocksControl class is an abstract base class for classes that control still cameras or video cameras.

This service is provided by a QMediaService object via QMediaService::control(). It is used by QCamera.

The interface name of QCameraLocksControl is org.qt-project.qt.cameralockscontrol/5.0 as defined in QCameraLocksControl_iid.

See also QMediaService::requestControl() and QCamera.

Member Function Documentation

[protected] QCameraLocksControl::QCameraLocksControl(QObject *parent = Q_NULLPTR)

Constructs a camera locks control object with parent.


Destruct the camera locks control object.

[pure virtual] QCamera::LockStatus QCameraLocksControl::lockStatus(QCamera::LockType lock) const

Returns the camera lock status.

[signal] void QCameraLocksControl::lockStatusChanged(QCamera::LockType lock, QCamera::LockStatus status, QCamera::LockChangeReason reason)

Signals the lock status was changed with a specified reason.

[pure virtual] void QCameraLocksControl::searchAndLock(QCamera::LockTypes locks)

Request camera locks.

[pure virtual] QCamera::LockTypes QCameraLocksControl::supportedLocks() const

Returns the lock types, the camera supports.

[pure virtual] void QCameraLocksControl::unlock(QCamera::LockTypes locks)

Unlock camera locks.

Macro Documentation



Defines the interface name of the QCameraLocksControl class.

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