QTouch3DInputHandler Class

Basic touch display based input handler. More...

Header:	#include <QTouch3DInputHandler>
Since:	QtDataVisualization 1.0
Instantiated By:	TouchInputHandler3D
Inherits:	Q3DInputHandler

This class was introduced in QtDataVisualization 1.0.

• List of all members, including inherited members

Public Functions

	QTouch3DInputHandler(QObject *parent = nullptr)
virtual	~QTouch3DInputHandler()

Reimplemented Public Functions

virtual void

touchEvent(QTouchEvent *event) override

Detailed Description

QTouch3DInputHandler is the basic input handler for touch screen devices.

Default touch input handler has the following functionalty:

Gesture	Action
Touch-And-Move	Rotate graph within limits set for Q3DCamera
Tap	Select the item tapped or remove selection if none. May open the secondary view depending on the selection mode.
Tap-And-Hold	Same as tap.
Pinch	Zoom in/out within the allowable zoom range set for Q3DCamera.
Tap on the primary view when the secondary view is visible	Closes the secondary view. Note: Secondary view is available only for Q3DBars and Q3DSurface graphs.

Rotation, zoom, and selection can each be individually disabled using corresponding Q3DInputHandler properties.

Member Function Documentation

QTouch3DInputHandler::QTouch3DInputHandler(QObject *parent = nullptr)

Constructs the basic touch display input handler. An optional parent parameter can be given and is then passed to QObject constructor.

[virtual] QTouch3DInputHandler::~QTouch3DInputHandler()

Destroys the input handler.

[override virtual] void QTouch3DInputHandler::touchEvent(QTouchEvent *event)

Reimplements: QAbstract3DInputHandler::touchEvent(QTouchEvent *event).

Override this to change handling of touch events. Touch event is given in the event.