Class GestureLayer

Definition

Namespace:

ElmSharp

Assembly:

ElmSharp.dll

API Level:

preview

The GestureLayer is used to detect gestures. Inherits Widget.

public class GestureLayer : Widget, IAccessibleObject

Inheritance

Object

EvasObject

AccessibleObject

Widget

GestureLayer

Implements

IAccessibleObject

Constructors

GestureLayer(EvasObject)

Creates and initializes a new instance of the GestureLayer class.

Declaration

public GestureLayer(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent	The parent is a given container which will be attached by the GestureLayer as a child. It's the EvasObject type.

API Level: preview

Properties

Continues

Sets or gets the gesture layer to continue enable of an object.

Declaration

public bool Continues { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

DoubleTapTimeout

Sets or gets the gesture layer double tap timeout of an object.

Declaration

public double DoubleTapTimeout { get; set; }

Property Value

Type	Description
Double

API Level: preview

FlickTimeLimit

Sets or gets the gesture layer flick time limit (in ms) of an object.

Declaration

public int FlickTimeLimit { get; set; }

Property Value

Type	Description
Int32

API Level: preview

HoldEvents

Sets or gets the repeat-events setting.

Declaration

public bool HoldEvents { get; set; }

Property Value

Type	Description
Boolean

API Level: preview

LineAngularTolerance

Sets or gets the gesture layer line angular tolerance of an object.

Declaration

public double LineAngularTolerance { get; set; }

Property Value

Type	Description
Double

API Level: preview

LineDistanceTolerance

Sets or gets the gesture layer line distance tolerance of an object.

Declaration

public int LineDistanceTolerance { get; set; }

Property Value

Type	Description
Int32

API Level: preview

LongTapTimeout

Sets or gets the gesture layer long tap start timeout of an object.

Declaration

public double LongTapTimeout { get; set; }

Property Value

Type	Description
Double

API Level: preview

MinimumLineLength

Sets or gets the gesture layer line minimum length of an object.

Declaration

public int MinimumLineLength { get; set; }

Property Value

Type	Description
Int32

API Level: preview

RotateAngularTolerance

Sets or gets the gesture layer rotate angular tolerance of an object.

Declaration

public double RotateAngularTolerance { get; set; }

Property Value

Type	Description
Double

API Level: preview

RotateStep

Sets or gets the step-value for the rotate action.

Declaration

public double RotateStep { get; set; }

Property Value

Type	Description
Double

API Level: preview

TapFingerSize

Sets or gets the gesture layer finger-size for taps.

Declaration

public int TapFingerSize { get; set; }

Property Value

Type	Description
Int32

API Level: preview

ZoomDistanceTolerance

Sets or gets the gesture layer zoom distance tolerance of an object.

Declaration

public int ZoomDistanceTolerance { get; set; }

Property Value

Type	Description
Int32

API Level: preview

ZoomFingerFactor

Sets or gets the gesture layer zoom finger factor of an object.

Declaration

public double ZoomFingerFactor { get; set; }

Property Value

Type	Description
Double

API Level: preview

ZoomStep

Sets or gets the control step value for the zoom action.

Declaration

public double ZoomStep { get; set; }

Property Value

Type	Description
Double

API Level: preview

ZoomWheelFactor

Sets or gets the gesture layer zoom wheel factor of an object.

Declaration

public double ZoomWheelFactor { get; set; }

Property Value

Type	Description
Double

API Level: preview

Methods

Attach(EvasObject)

Attaches a gesture layer widget to an Evas object (setting the widget's target). A gesture layer's target may be any Evas object. This object will be used to listen to mouse and key events.

Declaration

public void Attach(EvasObject target)

Parameters

Type	Name	Description
EvasObject	target	The object to attach.

API Level: preview

ClearCallbacks()

Clears the gesture state change callback.

Declaration

public void ClearCallbacks()

API Level: preview

CreateHandle(EvasObject)

Calls this function to construct a new gesture-layer object.

Declaration

protected override IntPtr CreateHandle(EvasObject parent)

Parameters

Type	Name	Description
EvasObject	parent	The gesture layer's parent widget.

Returns

Type	Description
IntPtr

Overrides

EvasObject.CreateHandle(EvasObject)

API Level: preview

OnUnrealize()

Clears the gesture state change callback.

Declaration

protected override void OnUnrealize()

Overrides

EvasObject.OnUnrealize()

API Level: preview

SetFlickCallback(GestureLayer.GestureState, Action<GestureLayer.LineData>)

Sets the gesture state change callback with flick gesture type.

Declaration

public void SetFlickCallback(GestureLayer.GestureState state, Action<GestureLayer.LineData> action)

Parameters

Type	Name	Description
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<GestureLayer.LineData>	action	The callback itself.

API Level: preview

SetGestureCallback(GestureLayer.GestureType, GestureLayer.GestureState, Action<Object>)

Sets the gesture state change callback. When all callbacks for the gesture are set to null, it means this gesture is disabled.

Declaration

public void SetGestureCallback(GestureLayer.GestureType type, GestureLayer.GestureState state, Action<object> action)

Parameters

Type	Name	Description
GestureLayer.GestureType	type	The gesture you want to track state of.
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<Object>	action	The callback itself.

API Level: preview

SetLineCallback(GestureLayer.GestureState, Action<GestureLayer.LineData>)

Sets the gesture state change callback with line gesture type.

Declaration

public void SetLineCallback(GestureLayer.GestureState state, Action<GestureLayer.LineData> action)

Parameters

Type	Name	Description
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<GestureLayer.LineData>	action	The callback itself.

API Level: preview

SetMomentumCallback(GestureLayer.GestureState, Action<GestureLayer.MomentumData>)

Sets the gesture state change callback with momentum gesture type.

Declaration

public void SetMomentumCallback(GestureLayer.GestureState state, Action<GestureLayer.MomentumData> action)

Parameters

Type	Name	Description
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<GestureLayer.MomentumData>	action	The callback itself.

API Level: preview

SetRotateCallback(GestureLayer.GestureState, Action<GestureLayer.RotateData>)

Sets the gesture state change callback with rotate gesture type.

Declaration

public void SetRotateCallback(GestureLayer.GestureState state, Action<GestureLayer.RotateData> action)

Parameters

Type	Name	Description
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<GestureLayer.RotateData>	action	The callback itself.

API Level: preview

SetTapCallback(GestureLayer.GestureType, GestureLayer.GestureState, Action<GestureLayer.TapData>)

Sets the tap callback.

Declaration

public void SetTapCallback(GestureLayer.GestureType type, GestureLayer.GestureState state, Action<GestureLayer.TapData> action)

Parameters

Type	Name	Description
GestureLayer.GestureType	type	The gesture you want to track state of.
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<GestureLayer.TapData>	action	The callback itself.

API Level: preview

SetZoomCallback(GestureLayer.GestureState, Action<GestureLayer.ZoomData>)

Sets the gesture state change callback with zoom gesture type.

Declaration

public void SetZoomCallback(GestureLayer.GestureState state, Action<GestureLayer.ZoomData> action)

Parameters

Type	Name	Description
GestureLayer.GestureState	state	The event the callback tracks (START, MOVE, END, ABORT).
Action<GestureLayer.ZoomData>	action	The callback itself.

API Level: preview

Implements

IAccessibleObject

Extension Methods

RotaryEventExtensions.AddRotaryEventHandler(EvasObject, RotaryEventHandler)

RotaryEventExtensions.RemoveRotaryEventHandler(EvasObject, RotaryEventHandler)

RotaryEventExtensions.Activate(EvasObject)

RotaryEventExtensions.Deactivate(EvasObject)