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QSwipeGesture Class

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

Header: #include <QSwipeGesture>
CMake: find_package(Qt6 COMPONENTS Widgets REQUIRED) target_link_libraries(mytarget PRIVATE Qt6::Widgets)
qmake: QT += widgets
Inherits: QGesture

Public Types

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

Properties

Public Functions

virtual ~QSwipeGesture()
QSwipeGesture::SwipeDirection horizontalDirection() const
void setSwipeAngle(qreal value)
qreal swipeAngle() const
QSwipeGesture::SwipeDirection verticalDirection() const

Detailed Description

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

Constant Value Description
QSwipeGesture::NoDirection 0 The gesture had no motion associated with it on a particular axis.
QSwipeGesture::Left 1 The gesture involved a horizontal motion to the left.
QSwipeGesture::Right 2 The gesture involved a horizontal motion to the right.
QSwipeGesture::Up 3 The gesture involved an upward vertical motion.
QSwipeGesture::Down 4 The gesture involved a downward vertical motion.

Property Documentation

[read-only] 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:

QSwipeGesture::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.

[read-only] 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:

QSwipeGesture::SwipeDirection verticalDirection() const

See also horizontalDirection and swipeAngle.

Member Function Documentation

[virtual] QSwipeGesture::~QSwipeGesture()

Destructor.

© The Qt Company Ltd
Licensed under the GNU Free Documentation License, Version 1.3.
https://doc.qt.io/qt-6.2/qswipegesture.html