Class GestureLayer

Definition

Namespace:: ElmSharp

Assembly:: ElmSharp.dll

API Level:: preview

The GestureLayer is used to detect gestures. Inherits Widget.


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public class GestureLayer : Widget, IAccessibleObject

Inheritance: System.Object

EvasObject

AccessibleObject

Widget

GestureLayer

Implements: IAccessibleObject

Constructors

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GestureLayer(EvasObject)

Creates and initializes a new instance of the GestureLayer class.

Declaration


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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

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Continues

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

Declaration


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public bool Continues { get; set; }

Property Value

Type	Description
System.Boolean

API Level: preview

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DoubleTapTimeout

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

Declaration


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public double DoubleTapTimeout { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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FlickTimeLimit

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

Declaration


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public int FlickTimeLimit { get; set; }

Property Value

Type	Description
System.Int32

API Level: preview

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HoldEvents

Sets or gets the repeat-events setting.

Declaration


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public bool HoldEvents { get; set; }

Property Value

Type	Description
System.Boolean

API Level: preview

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LineAngularTolerance

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

Declaration


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public double LineAngularTolerance { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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LineDistanceTolerance

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

Declaration


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public int LineDistanceTolerance { get; set; }

Property Value

Type	Description
System.Int32

API Level: preview

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LongTapTimeout

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

Declaration


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public double LongTapTimeout { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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MinimumLineLength

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

Declaration


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public int MinimumLineLength { get; set; }

Property Value

Type	Description
System.Int32

API Level: preview

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RotateAngularTolerance

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

Declaration


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public double RotateAngularTolerance { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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RotateStep

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

Declaration


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public double RotateStep { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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TapFingerSize

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

Declaration


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public int TapFingerSize { get; set; }

Property Value

Type	Description
System.Int32

API Level: preview

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ZoomDistanceTolerance

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

Declaration


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public int ZoomDistanceTolerance { get; set; }

Property Value

Type	Description
System.Int32

API Level: preview

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ZoomFingerFactor

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

Declaration


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public double ZoomFingerFactor { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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ZoomStep

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

Declaration


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public double ZoomStep { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

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ZoomWheelFactor

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

Declaration


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public double ZoomWheelFactor { get; set; }

Property Value

Type	Description
System.Double

API Level: preview

Methods

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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


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public void Attach(EvasObject target)

Parameters

Type	Name	Description
EvasObject	target	The object to attach.

API Level: preview

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ClearCallbacks()

Clears the gesture state change callback.

Declaration


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public void ClearCallbacks()

API Level: preview

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CreateHandle(EvasObject)

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

Declaration


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protected override IntPtr CreateHandle(EvasObject parent)

Parameters

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

Returns

Type	Description
System.IntPtr

Overrides

EvasObject.CreateHandle(EvasObject)

API Level: preview

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OnUnrealize()

Clears the gesture state change callback.

Declaration


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protected override void OnUnrealize()

Overrides

EvasObject.OnUnrealize()

API Level: preview

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

Sets the gesture state change callback with flick gesture type.

Declaration


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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).
System.Action<GestureLayer.LineData>	action	The callback itself.

API Level: preview

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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


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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).
System.Action<System.Object>	action	The callback itself.

API Level: preview

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

Sets the gesture state change callback with line gesture type.

Declaration


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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).
System.Action<GestureLayer.LineData>	action	The callback itself.

API Level: preview

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

Sets the gesture state change callback with momentum gesture type.

Declaration


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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).
System.Action<GestureLayer.MomentumData>	action	The callback itself.

API Level: preview

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

Sets the gesture state change callback with rotate gesture type.

Declaration


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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).
System.Action<GestureLayer.RotateData>	action	The callback itself.

API Level: preview

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

Sets the tap callback.

Declaration


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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).
System.Action<GestureLayer.TapData>	action	The callback itself.

API Level: preview

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

Sets the gesture state change callback with zoom gesture type.

Declaration


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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).
System.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)