clFlingHandler Class Reference

Fling gesture handler. More...

#include <Gestures.h>

List of all members.

Public Member Functions
	clFlingHandler ()
virtual	~clFlingHandler ()
virtual void	AfterConstruction ()
void	Reset ()
	Clear current state.
void	SetIncrementalRotationMode (const vec2 &ElementaryRotation, const vec2 &AnimSpeed)
	Switch to incremental rotation (half-pi rotations, 2pi-periodic)
void	SetStrokeMode ()
	Handle isolated free-form strokes and send OnFling events.
virtual void	Event_TIMER (LEvent Event, const LEventArgs &Args)
	Default event handler.
void	SetValue (const vec2 &NewValue)
	Set new target value (animation will do the rest)
vec2	GetValue () const
	Get current value.
void	SetActive (bool Active)
	Activate or deactivate flinging.
bool	IsActive () const
	Check flinging activity.
Public Attributes
bool	FActive
	Are we active (updating)
vec2	FStepGranularity
	Single step (1 page or, e.g., PI/2 for rotations) - animation speed.
vec2	FValueGranularity
	The discrete sizeof a single motion (angle of elementary rotation or some interval between items in coverflow)
vec2	FSensitivity
	Sensitivity a.k.a. movement speed.
vec2	FValuePeriod
	Period for values (2 * PI for rotations)
vec2	FStep
	Current fling step.
vec2	FMinValue
	Minimum axis values.
vec2	FMaxValue
	Maximum axis values.
LFlingStatus	FFlingStatus
	Internal Fling state.
Private Member Functions
void	Update (float dt)
	Function to update the Fling state. Increments values and optionally send events.
void	SetTheValue (float Dir, float Granularity, float *Step, int *StepsLeft)
void	UpdateValue (float *ValuePtr, float Step, int *StepsLeft, float MinVal, float MaxVal)
void	ClipValue (float *ValuePtr, float Granularity, float ValuePeriod, float Step)
Private Attributes
vec2	FValue
	Current X/Y values, altered by fling.
LVector2i	FStepsLeft
	How much steps left to add to FValue.

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Detailed Description

Fling gesture handler.

Fling autoregisters itself on creation, but starts inactive

Each time an update occurs

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Constructor & Destructor Documentation

clFlingHandler::clFlingHandler

(

)

[inline]

clFlingHandler::~clFlingHandler

(

)

[virtual]

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Member Function Documentation

void clFlingHandler::AfterConstruction

(

)

[virtual]

Reimplemented from clGestureHandler.

void clFlingHandler::ClipValue	(	float *	ValuePtr,
		float	Granularity,
		float	ValuePeriod,
		float	Step
	)		[inline, private]

void clFlingHandler::Event_TIMER	(	LEvent	Event,
		const LEventArgs &	Args
	)		[virtual]

Default event handler.

vec2 clFlingHandler::GetValue

(

)

const [inline]

Get current value.

bool clFlingHandler::IsActive

(

)

const [inline]

Check flinging activity.

void clFlingHandler::Reset

(

)

[inline]

Clear current state.

void clFlingHandler::SetActive

(

bool

Active

)

[inline]

Activate or deactivate flinging.

void clFlingHandler::SetIncrementalRotationMode	(	const vec2 &	ElementaryRotation,
		const vec2 &	AnimSpeed
	)		[inline]

Switch to incremental rotation (half-pi rotations, 2pi-periodic)

void clFlingHandler::SetStrokeMode

(

)

[inline]

Handle isolated free-form strokes and send OnFling events.

void clFlingHandler::SetTheValue	(	float	Dir,
		float	Granularity,
		float *	Step,
		int *	StepsLeft
	)		[inline, private]

void clFlingHandler::SetValue

(

const vec2 &

NewValue

)

Set new target value (animation will do the rest)

void clFlingHandler::Update

(

float

dt

)

[inline, private]

Function to update the Fling state. Increments values and optionally send events.

Deactivate

void clFlingHandler::UpdateValue	(	float *	ValuePtr,
		float	Step,
		int *	StepsLeft,
		float	MinVal,
		float	MaxVal
	)		[inline, private]

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Member Data Documentation

bool clFlingHandler::FActive

Are we active (updating)

LFlingStatus clFlingHandler::FFlingStatus

Internal Fling state.

vec2 clFlingHandler::FMaxValue

Maximum axis values.

vec2 clFlingHandler::FMinValue

Minimum axis values.

vec2 clFlingHandler::FSensitivity

Sensitivity a.k.a. movement speed.

vec2 clFlingHandler::FStep

Current fling step.

vec2 clFlingHandler::FStepGranularity

Single step (1 page or, e.g., PI/2 for rotations) - animation speed.

LVector2i clFlingHandler::FStepsLeft [private]

How much steps left to add to FValue.

vec2 clFlingHandler::FValue [private]

Current X/Y values, altered by fling.

Property(Name=Granularity, Type=vec2, FieldName=FValueGranularity) Property(Name=Period, Type=vec2, FieldName=FValuePeriod) Property(Name=MinValue, Type=vec2, FieldName=FMinValue) Property(Name=MaxValue, Type=vec2, FieldName=FMaxValue) Property(Name=Step, Type=vec2, FieldName=FStep) Property(Name=Sensitivity, Type=vec2, FieldName=FSensitivity) Property(Name=Active, Type=bool, Getter=IsActive, Setter=SetActive)

vec2 clFlingHandler::FValueGranularity

The discrete sizeof a single motion (angle of elementary rotation or some interval between items in coverflow)

vec2 clFlingHandler::FValuePeriod

Period for values (2 * PI for rotations)

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The documentation for this class was generated from the following files:

• Gestures.h
• Gestures.cpp