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javafx.scene.input

Class GestureEvent

java.lang.Object
  • java.util.EventObject
    • javafx.event.Event
      • javafx.scene.input.InputEvent
        • javafx.scene.input.GestureEvent

All Implemented Interfaces:

Serializable, Cloneable

Direct Known Subclasses:

RotateEvent, ScrollEvent, SwipeEvent, ZoomEvent



public class GestureEvent
extends InputEvent
An event indicating gesture input. Gestures are typically caused by direct (touch screen) or indirect (track pad) touch events.

Delivery of gestures is dependent on the capabilities of the underlying platform and connected input devices. For instance on a PC with mouse and keyboard there is no way of producing a rotating gesture.

Since:

JavaFX 2.2

See Also:

Serialized Form

  • Field Summary

    Fields
    Modifier and Type Field and Description
    static EventType<GestureEvent> ANY
    Common supertype for all gestures.
    • Fields inherited from class javafx.event.Event

      consumed, eventType, NULL_SOURCE_TARGET, target
    • Fields inherited from class java.util.EventObject

      source
  • Constructor Summary

    Constructors
    Modifier Constructor and Description
    protected GestureEvent(EventType<? extends GestureEvent> eventType)
    Deprecated.
    Do not use this constructor. Constructs empty event.
    protected GestureEvent(EventType<? extends GestureEvent> eventType, double x, double y, double screenX, double screenY, boolean shiftDown, boolean controlDown, boolean altDown, boolean metaDown, boolean direct, boolean inertia, PickResult pickResult)
    Constructs new GestureEvent event with empty source and target
    protected GestureEvent(Object source, EventTarget target, EventType<? extends GestureEvent> eventType)
    Deprecated.
    Do not use this constructor. Constructs empty event.
    protected GestureEvent(Object source, EventTarget target, EventType<? extends GestureEvent> eventType, double x, double y, double screenX, double screenY, boolean shiftDown, boolean controlDown, boolean altDown, boolean metaDown, boolean direct, boolean inertia, PickResult pickResult)
    Constructs new GestureEvent event.
  • Method Summary

    All MethodsInstance MethodsConcrete Methods
    Modifier and Type Method and Description
    GestureEvent copyFor(Object newSource, EventTarget newTarget)
    Creates and returns a copy of this event with the specified event source and target.
    EventType<? extends GestureEvent> getEventType()
    Gets the event type of this event.
    PickResult getPickResult()
    Returns information about the pick.
    double getSceneX()
    Gets the horizontal position of the event relative to the origin of the Scene that contains the event's source.
    double getSceneY()
    Gets the vertical position of the event relative to the origin of the Scene that contains the event's source.
    double getScreenX()
    Gets the absolute horizontal position of the event.
    double getScreenY()
    Gets the absolute vertical position of the event.
    double getX()
    Gets the horizontal position of the event relative to the origin of the event's source.
    double getY()
    Gets the vertical position of the event relative to the origin of the event's source.
    double getZ()
    Depth position of the event relative to the origin of the MouseEvent's source.
    boolean isAltDown()
    Indicates whether or not the Alt modifier is down on this event.
    boolean isControlDown()
    Indicates whether or not the Control modifier is down on this event.
    boolean isDirect()
    Indicates whether this gesture is caused by a direct or indirect input device.
    boolean isInertia()
    Indicates if this event represents an inertia of an already finished gesture.
    boolean isMetaDown()
    Indicates whether or not the Meta modifier is down on this event.
    boolean isShiftDown()
    Indicates whether or not the Shift modifier is down on this event.
    boolean isShortcutDown()
    Indicates whether or not the host platform common shortcut modifier is down on this event.
    String toString()
    Returns a string representation of this GestureEvent object.
    • Methods inherited from class javafx.event.Event

      clone, consume, fireEvent, getTarget, isConsumed
    • Methods inherited from class java.util.EventObject

      getSource
    • Methods inherited from class java.lang.Object

      equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
  • Field Detail

    • ANY

      public static final EventType<GestureEvent> ANY
      Common supertype for all gestures.
  • Constructor Detail

    • GestureEvent

      @Deprecated
      protected GestureEvent(EventType<? extends GestureEvent> eventType)
      Deprecated. Do not use this constructor. Constructs empty event.
      Creates a new instance of GestureEvent.

      Parameters:

      eventType - Type of the event

    • GestureEvent

      @Deprecated
      protected GestureEvent(Object source,
                                          EventTarget target,
                                          EventType<? extends GestureEvent> eventType)
      Deprecated. Do not use this constructor. Constructs empty event.
      Creates a new instance of GestureEvent.

      Parameters:

      source - Event source

    • GestureEvent

      protected GestureEvent(Object source,
                             EventTarget target,
                             EventType<? extends GestureEvent> eventType,
                             double x,
                             double y,
                             double screenX,
                             double screenY,
                             boolean shiftDown,
                             boolean controlDown,
                             boolean altDown,
                             boolean metaDown,
                             boolean direct,
                             boolean inertia,
                             PickResult pickResult)
      Constructs new GestureEvent event.

      Parameters:

      source - the source of the event. Can be null.

      Since:

      JavaFX 8.0

    • GestureEvent

      protected GestureEvent(EventType<? extends GestureEvent> eventType,
                             double x,
                             double y,
                             double screenX,
                             double screenY,
                             boolean shiftDown,
                             boolean controlDown,
                             boolean altDown,
                             boolean metaDown,
                             boolean direct,
                             boolean inertia,
                             PickResult pickResult)
      Constructs new GestureEvent event with empty source and target

      Parameters:

      eventType - The type of the event.

      Since:

      JavaFX 8.0

  • Method Detail

    • copyFor

      public GestureEvent copyFor(Object newSource,
                                  EventTarget newTarget)
      Description copied from class: Event
      Creates and returns a copy of this event with the specified event source and target. If the source or target is set to null, it is replaced by the NULL_SOURCE_TARGET value.

      Overrides:

      copyFor in class Event

      Parameters:

      newSource - the new source of the copied event

      Returns:

      the event copy with the new source and target

    • getX

      public final double getX()
      Gets the horizontal position of the event relative to the origin of the event's source.

      Returns:

      the horizontal position of the event relative to the origin of the event's source.

      See Also:

      isDirect()

    • getY

      public final double getY()
      Gets the vertical position of the event relative to the origin of the event's source.

      Returns:

      the vertical position of the event relative to the origin of the event's source.

      See Also:

      isDirect()

    • getZ

      public final double getZ()
      Depth position of the event relative to the origin of the MouseEvent's source.

      Returns:

      depth position of the event relative to the origin of the MouseEvent's source.

      Since:

      JavaFX 8.0

    • getScreenX

      public final double getScreenX()
      Gets the absolute horizontal position of the event.

      Returns:

      the absolute horizontal position of the event

      See Also:

      isDirect()

    • getScreenY

      public final double getScreenY()
      Gets the absolute vertical position of the event.

      Returns:

      the absolute vertical position of the event

      See Also:

      isDirect()

    • getSceneX

      public final double getSceneX()
      Gets the horizontal position of the event relative to the origin of the Scene that contains the event's source. If the node is not in a Scene, then the value is relative to the boundsInParent of the root-most parent of the event's node. Note that in 3D scene, this represents the flat coordinates after applying the projection transformations.

      Returns:

      the horizontal position of the event relative to the origin of the Scene that contains the event's source

      See Also:

      isDirect()

    • getSceneY

      public final double getSceneY()
      Gets the vertical position of the event relative to the origin of the Scene that contains the event's source. If the node is not in a Scene, then the value is relative to the boundsInParent of the root-most parent of the event's node. Note that in 3D scene, this represents the flat coordinates after applying the projection transformations.

      Returns:

      the vertical position of the event relative to the origin of the Scene that contains the event's source

      See Also:

      isDirect()

    • isShiftDown

      public final boolean isShiftDown()
      Indicates whether or not the Shift modifier is down on this event.

      Returns:

      true if the Shift modifier is down on this event

    • isControlDown

      public final boolean isControlDown()
      Indicates whether or not the Control modifier is down on this event.

      Returns:

      true if the Control modifier is down on this event

    • isAltDown

      public final boolean isAltDown()
      Indicates whether or not the Alt modifier is down on this event.

      Returns:

      true if the Alt modifier is down on this event

    • isMetaDown

      public final boolean isMetaDown()
      Indicates whether or not the Meta modifier is down on this event.

      Returns:

      true if the Meta modifier is down on this event

    • isDirect

      public final boolean isDirect()
      Indicates whether this gesture is caused by a direct or indirect input device. With direct input device the gestures are performed directly at the concrete coordinates, a typical example would be a touch screen. With indirect device the gestures are performed indirectly and usually mouse cursor position is used as the gesture coordinates, a typical example would be a track pad.

      Returns:

      true if this event is caused by a direct input device

    • isInertia

      public boolean isInertia()
      Indicates if this event represents an inertia of an already finished gesture.

      Returns:

      true if this is an inertia event

    • getPickResult

      public final PickResult getPickResult()
      Returns information about the pick.

      Returns:

      new PickResult object that contains information about the pick

      Since:

      JavaFX 8.0

    • isShortcutDown

      public final boolean isShortcutDown()
      Indicates whether or not the host platform common shortcut modifier is down on this event. This common shortcut modifier is a modifier key which is used commonly in shortcuts on the host platform. It is for example control on Windows and meta (command key) on Mac.

      Returns:

      true if the shortcut modifier is down, false otherwise

    • toString

      public String toString()
      Returns a string representation of this GestureEvent object.

      Overrides:

      toString in class EventObject

      Returns:

      a string representation of this GestureEvent object.

    • getEventType

      public EventType<? extends GestureEvent> getEventType()
      Description copied from class: Event
      Gets the event type of this event. Objects of the same Event class can have different event types. These event types further specify what kind of event occurred.

      Overrides:

      getEventType in class InputEvent

      Returns:

      the event type

© 2008, 2025, Oracle and/or its affiliates. All rights reserved.
Documentation extracted from JavaFX API Documentation.
Licensed under the GNU General Public License, version 2, with the Classpath Exception.
Java, JavaFX and OpenJDK are trademarks or registered trademarks of Oracle and/or its affiliates.

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