author | Simon Howkins <simonh@symbian.org> |
Thu, 25 Nov 2010 12:13:04 +0000 | |
branch | RCL_3 |
changeset 83 | 31a5fbf5db1d |
parent 0 | 8466d47a6819 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: CFsTreeControl is a HUI control that handles UI events for |
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* tree list. |
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* |
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*/ |
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|
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|
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#ifndef C_FSTREECONTROL_H |
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#define C_FSTREECONTROL_H |
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//////SYSTEM INCLUDES |
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#include <e32base.h> |
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//////PROJECT INCLUDES |
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//<cmail> removed __FS_ALFRED_SUPPORT flag |
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//#include <fsconfig.h> |
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//</cmail> removed __FS_ALFRED_SUPPORT flag |
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//////TOOLKIT INCLUDES |
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//<cmail> SF |
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#include <alf/alfcontrol.h> |
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//</cmail> |
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|
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//////TOOLKIT CLASSES |
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class TAlfEvent; |
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class CAlfVisual; |
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|
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//////PROJECT CLASSES |
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class CFsTree; |
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class MFsTreeVisualizer; |
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|
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/** |
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* CFsTreeControl is a HUI control that handles UI events for the tree list. |
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* |
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* The control is a lightweight class mostly mediating events between other |
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* classes. When receiving an event, the Control checks the event type and |
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* does one of the following actions: |
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* - Ignores the event |
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* - Forwards the event to the MFsTreeVisualizer interface |
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* |
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* @code |
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* |
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* @endcode |
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* |
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* @lib |
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*/ |
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NONSHARABLE_CLASS( CFsTreeControl ): public CAlfControl |
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{ |
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public: // Construction |
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|
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/** |
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* Two-phased constructor |
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* |
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* @param aEnv Reference to the UI toolkit environment |
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* @param aTree Tree data model. |
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* @param aVisualizer Tree's visualizer. |
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*/ |
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IMPORT_C static CFsTreeControl* NewL( CAlfEnv& aEnv, |
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CFsTree& aTree, |
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MFsTreeVisualizer& aVisualizer ); |
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|
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/** |
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* C++ destructor |
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*/ |
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virtual ~CFsTreeControl(); |
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|
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/** |
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* From CHuiControl |
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* Called when an input event is being offered to the control. |
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* |
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* @param aEvent Event to be handled. |
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* |
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* @return <code>ETrue</code>, if the event was handled. |
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* Otherwise <code>EFalse</code>. |
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*/ |
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IMPORT_C TBool OfferEventL(const TAlfEvent& aEvent); |
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/** |
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* Sets focus state of list component |
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* @param aFocused status of the focus to be set |
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*/ |
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void SetFocused( const TBool aFocused ); |
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/** |
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* Returns state of the focus |
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* @return State of the focus |
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*/ |
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TBool IsFocused() const; |
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/** |
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*/ |
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void VisualPrepareDrawFailed(CAlfVisual& aVisual, TInt aErrorCode); |
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protected: |
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/** |
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* From CAlfControl |
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*/ |
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void NotifyControlVisibility( TBool aIsVisible, CAlfDisplay& aDisplay ); |
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private: //Construction |
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/** |
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* Default C++ constructor. |
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* |
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* @param aEnv Reference to the UI toolkit environment |
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* @param aTree Tree data model. |
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* @param aVisualizer Tree's visualizer. |
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*/ |
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CFsTreeControl( //CAlfEnv& aEnv, |
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CFsTree& aTree, |
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MFsTreeVisualizer& aVisualizer ); |
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/** |
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* Second phase constructor. |
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* |
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*/ |
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void ConstructL( CAlfEnv& aEnv ); |
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void SetDragEvents(TBool aEnable); |
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private: // data |
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/** |
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* Tree data model. |
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*/ |
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CFsTree& iTree; |
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/** |
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* Tree visualizer. |
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*/ |
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MFsTreeVisualizer& iTreeVisualizer; |
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/* |
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* Determines if list is focused or not |
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*/ |
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TBool iFocused; |
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// <cmail> Touch |
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/* |
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* Control getting extra touch events |
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*/ |
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TBool iGetExtraPointerEvents; |
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// </cmail> |
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}; |
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#endif // C_FSTREECONTROL_H |
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