GestureHelper::CGestureControl Class Reference
| class GestureHelper::CGestureControl : public CAlfControl |
Gesture control provides pointer event forwarding to gesture helper.
Gesture control can be created as
Stand-alone: This functionality is usable by clients that want to capture pointer events from anywhere in the screen. For example, a view that wants to know if user tapped anywhere on the screen could use this.
Derived: client can use the forward-pointer-events-to-gesture-helper functionality by deriving from CGestureControl. Client has to create at least one visual that captures pointer events. This base class will receive the events and forward them to CGestureHelper.
The client can keep other widgets on top of this control, to allow them priority of capturing the pointer events.
Inherits from
- GestureHelper::CGestureControl
| Inherited Functions |
|---|
| | CAlfControl::AcceptInput()const |
| | CAlfControl::AcquireFocus() |
| | CAlfControl::AddConnectionL(CAlfControl *,TInt) |
| | CAlfControl::Append(CAlfVisual *,CAlfLayout *) |
| | CAlfControl::AppendLayoutL(TAlfLayoutType,CAlfLayout *,TInt) |
| | CAlfControl::AppendVisualL(TAlfVisualType,CAlfLayout *,TInt) |
| | CAlfControl::BindDisplay(CAlfDisplay &) |
| | CAlfControl::Bounds()const |
| | CAlfControl::CAlfControl() |
| | CAlfControl::CancelAllCommands() |
| | CAlfControl::ClearChanged() |
| | CAlfControl::Connection(TInt)const |
| | CAlfControl::ConnectionAddedL(CAlfControl *,TInt) |
| | CAlfControl::ConnectionByOrdinal(TInt)const |
| | CAlfControl::ConnectionCount()const |
| | CAlfControl::ConnectionOrdinal(TInt)const |
| | CAlfControl::ConnectionRemoved(CAlfControl *,TInt) |
| | CAlfControl::ConnectionRole(TInt)const |
| | CAlfControl::ConstructL(CAlfEnv &) |
| | CAlfControl::ContainerLayout(const CAlfControl *)const |
| | CAlfControl::ControlGroup()const |
| | CAlfControl::Display()const |
| | CAlfControl::DisplayArea()const |
| | CAlfControl::DisplayCenter()const |
| | CAlfControl::DisplayToHost(const TPoint &)const |
| | CAlfControl::Env()const |
| | CAlfControl::FindConnection(const CAlfControl *)const |
| | CAlfControl::FindTag(const TDesC8 &)const |
| | CAlfControl::Focus()const |
| | CAlfControl::FocusChainChanged(TBool) |
| | CAlfControl::FocusChanged(CAlfDisplay &,TBool) |
| | CAlfControl::FocusedConnection()const |
| | CAlfControl::Hide(CAlfDisplay &) |
| | CAlfControl::HitTest(const TPoint &)const |
| | CAlfControl::Host()const |
| | CAlfControl::HostChangingL(CAlfControl *) |
| | CAlfControl::HostId()const |
| | CAlfControl::HostToDisplay(const TPoint &)const |
| | CAlfControl::Id()const |
| | CAlfControl::Identifier()const |
| | CAlfControl::IsFocusing()const |
| | CAlfControl::NotifyControlVisibility(TBool,CAlfDisplay &) |
| | CAlfControl::PropertyOwnerExtension(const TUid &,TAny **) |
| | CAlfControl::RelinquishFocus() |
| | CAlfControl::Remove(CAlfVisual *) |
| | CAlfControl::RemoveConnection(CAlfControl *) |
| | CAlfControl::RemoveVisualsFromHostControl(CAlfControl &) |
| | CAlfControl::Role()const |
| | CAlfControl::SetControlGroup(CAlfControlGroup &) |
| | CAlfControl::SetFocus(CAlfDisplay &,TBool) |
| | CAlfControl::SetFocusing(TBool) |
| | CAlfControl::SetHost(CAlfControl *) |
| | CAlfControl::SetHostId(TInt) |
| | CAlfControl::SetId(TInt) |
| | CAlfControl::SetRole(TInt) |
| | CAlfControl::ShowL(CAlfDisplay &) |
| | CAlfControl::Visual(TInt)const |
| | CAlfControl::VisualAddedL(CAlfVisual *) |
| | CAlfControl::VisualCount()const |
| | CAlfControl::VisualDestroyed(CAlfVisual &) |
| | CAlfControl::VisualLayoutUpdated(CAlfVisual &) |
| | CAlfControl::VisualPrepareDrawFailed(CAlfVisual &,TInt) |
| | CAlfControl::VisualRemoved(CAlfVisual *) |
| | CAlfControl::~CAlfControl() |
| | CAlfPropertyOwner::CAlfPropertyOwner() |
| | CAlfPropertyOwner::CopyProperty(const CAlfPropertyOwner &,const TDesC8 &) |
| | CAlfPropertyOwner::PropertyClear() |
| | CAlfPropertyOwner::PropertyFindInteger(const TDesC8 &,TInt *)const |
| | CAlfPropertyOwner::PropertyFindString(const TDesC8 &,TDesC **)const |
| | CAlfPropertyOwner::PropertyRemove(const TDesC8 &) |
| | CAlfPropertyOwner::PropertySetIntegerL(const TDesC8 &,TInt,TInt,TInt) |
| | CAlfPropertyOwner::PropertySetStringL(const TDesC8 &,const TDesC &) |
| | CAlfPropertyOwner::~CAlfPropertyOwner() |
| | CBase::CBase() |
| | CBase::Delete(CBase *) |
| | CBase::Extension_(TUint,TAny *&,TAny *) |
| | CBase::operator new(TUint) |
| | CBase::operator new(TUint,TAny *) |
| | CBase::operator new(TUint,TLeave) |
| | CBase::operator new(TUint,TLeave,TUint) |
| | CBase::operator new(TUint,TUint) |
| | CBase::~CBase() |
| Private Attributes |
|---|
| CGestureHelper * | iHelper |
Constructor & Destructor Documentation
CGestureControl()
| IMPORT_C | CGestureControl | ( | ) | [protected] |
~CGestureControl()
| IMPORT_C | ~CGestureControl | ( | ) | |
Member Functions Documentation
ConstructL(MGestureObserver &, CAlfEnv &, CAlfDisplay &, TInt)
| IMPORT_C void | ConstructL | ( | MGestureObserver & | aObserver, |
| | CAlfEnv & | aEnv, |
| | CAlfDisplay & | aDisplay, |
| | TInt | aFreeControlGroupId |
| | ) | [protected] |
Deriving class is expected to create a visual to receive pointer events. This base class does not create a visual (unless creates via NewLC, i.e., in that case this class is not derived from)
Parameters
| MGestureObserver & aObserver | |
| CAlfEnv & aEnv | |
| CAlfDisplay & aDisplay | |
| TInt aFreeControlGroupId | control group id that client does not use |
IsDoubleTapEnabled()
| IMPORT_C TBool | IsDoubleTapEnabled | ( | ) | const |
CGestureHelper::IsDoubleTapEnabled
IsHoldingEnabled()
| IMPORT_C TBool | IsHoldingEnabled | ( | ) | const |
CGestureHelper::IsHoldingEnabled
NewLC(MGestureObserver &, CAlfEnv &, CAlfDisplay &, TInt)
Creates a stand-alone gesture control. Creates a full screen visual that captures pointer events. Converts pointer events to gestures and calls back on aObserver.
Parameters
| MGestureObserver & aObserver | |
| CAlfEnv & aEnv | |
| CAlfDisplay & aDisplay | |
| TInt aFreeControlGroupId | control group id that client does not use |
OfferEventL(const TAlfEvent &)
| IMPORT_C TBool | OfferEventL | ( | const TAlfEvent & | aEvent | ) | [virtual] |
Called when an input event is being offered to the control.
Parameters
| const TAlfEvent & aEvent | Event to be handled. |
SetDoubleTapEnabled(TBool)
| IMPORT_C void | SetDoubleTapEnabled | ( | TBool | aEnabled | ) | |
CGestureHelper::SetDoubleTapEnabled
SetHoldingEnabled(TBool)
| IMPORT_C void | SetHoldingEnabled | ( | TBool | aEnabled | ) | |
CGestureHelper::SetHoldingEnabled
Member Data Documentation
CGestureHelper * iHelper
| CGestureHelper * | iHelper | [private] |
Copyright ©2010 Nokia Corporation and/or its subsidiary(-ies).
All rights
reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License
v1.0.