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QSwipeGesture Class Reference

The QSwipeGesture class describes a swipe gesture made by the user. More...

 #include <QSwipeGesture>

Inherits: QGesture.

This class was introduced in Qt 4.6.

Public Types

enum SwipeDirection { NoDirection, Left, Right, Up, Down }

Properties

Public Functions

SwipeDirection horizontalDirection () const
void setSwipeAngle ( qreal value )
qreal swipeAngle () const
SwipeDirection verticalDirection () const
  • 8 public functions inherited from QGesture
  • 29 public functions inherited from QObject

Additional Inherited Members

  • 1 public slot inherited from QObject
  • 1 signal inherited from QObject
  • 5 static public members inherited from QObject
  • 7 protected functions inherited from QObject

Detailed Description

The QSwipeGesture class describes a swipe gesture made by the user.

For an overview of gesture handling in Qt and information on using gestures in your applications, see the Gestures Programming document.

See also QPanGesture and QPinchGesture.

Member Type Documentation

enum QSwipeGesture::SwipeDirection

This enum describes the possible directions for the gesture's motion along the horizontal and vertical axes.

ConstantValueDescription
QSwipeGesture::NoDirection0The gesture had no motion associated with it on a particular axis.
QSwipeGesture::Left1The gesture involved a horizontal motion to the left.
QSwipeGesture::Right2The gesture involved a horizontal motion to the right.
QSwipeGesture::Up3The gesture involved an upward vertical motion.
QSwipeGesture::Down4The gesture involved a downward vertical motion.

Property Documentation

horizontalDirection : const SwipeDirection

This property holds the horizontal direction of the gesture.

If the gesture has a horizontal component, the horizontal direction is either Left or Right; otherwise, it is NoDirection.

Access functions:

SwipeDirection horizontalDirection () const

See also verticalDirection and swipeAngle.

swipeAngle : qreal

This property holds the angle of the motion associated with the gesture.

If the gesture has either a horizontal or vertical component, the swipe angle describes the angle between the direction of motion and the x-axis as defined using the standard widget coordinate system.

Access functions:

qreal swipeAngle () const
void setSwipeAngle ( qreal value )

See also horizontalDirection and verticalDirection.

verticalDirection : const SwipeDirection

This property holds the vertical direction of the gesture.

If the gesture has a vertical component, the vertical direction is either Up or Down; otherwise, it is NoDirection.

Access functions:

SwipeDirection verticalDirection () const

See also horizontalDirection and swipeAngle.

Responsable bénévole de la rubrique Qt : Thibaut Cuvelier -