author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 22 Feb 2010 17:57:49 +0200 | |
branch | RCL_3 |
changeset 3 | d8a3531bc6b8 |
parent 0 | 15bf7259bb7c |
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: Flow layout definition. |
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* |
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*/ |
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#ifndef C_ALFFLOWLAYOUT_H |
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#define C_ALFFLOWLAYOUT_H |
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#include <alf/alflayout.h> |
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/** |
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* Flow layout positions children next to each other either horizontally or |
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* vertically. The sizes of child visuals are not changed by default. |
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* |
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* The layout inner padding is used to determine the gap between children. |
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* |
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* Flow layout takes system wide layout mirroring into consideration by |
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* querying the mirroring state through AknLayoutUtils::LayoutMirrored(). |
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* In western locales the visuals are layed out from left to right whereas |
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* in arabic locale for instance the visuals are layed out from right to left. |
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* Mirroring is considered only when the flow is horizontal. Vertical flow layout |
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* will always lay visuals from top to bottom. |
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* Usage: |
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* @code |
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* |
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* //create flowlayout |
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* CAlfFlowLayout* flowLayout = CAlfFlowLayout::AddNewL( control ); |
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* //Add two child text visuals to flow layout |
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* CAlfTextVisual* text1 = CAlfTextVisual::AddNewL( control, flowLayout ); |
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* CAlfTextVisual* text2 = CAlfTextVisual::AddNewL( control, flowLayout ); |
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* text1->SetTextL( _L"Text1" ); |
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* text2->SetTextL( _L"Text2" ); |
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* |
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* //set Flow direction |
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* flowLayout->SetFlowDirection( CAlfFlowLayout::EFlowHorizontal ); |
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* flowLayout->UpdateChildrenLayout( 1 ); |
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* |
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* // Set Centring |
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* flowLayout->SetCentering( ETrue ); |
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* flowLayout->UpdateChildrenLayout(transitionTimeInMilliSeconds); |
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* |
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* //Set flow mode |
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* flowLayout->SetMode( CAlfFlowLayout::EModeFitPerpendicular ); |
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* flowLayout->UpdateChildrenLayout( 1 ); |
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* |
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* @endcode |
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* @lib alfclient.lib |
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* @since S60 v3.2 |
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*/ |
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class CAlfFlowLayout : public CAlfLayout |
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{ |
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|
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public: |
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|
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/** Flow directions. */ |
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enum TFlowDirection |
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{ |
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/** |
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* Flow horizontally. System wide layout mirroring is considered |
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* to determine whether visuals are layed from left to right |
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* or from right to left. |
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* @see AknLayoutUtils::LayoutMirrored() |
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*/ |
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EFlowHorizontal = 0, |
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|
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/** Flow vertically. */ |
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EFlowVertical |
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}; |
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|
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/** Mode flags that specify how the flow is laid out. */ |
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enum TMode |
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{ |
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/** Center the children perpendicular to the flow direction. |
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For example, if the flow direction is horizontal (left->right) |
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this flag will center the children vertically along the flow. */ |
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EModeCenterPerpendicular = 0x1, |
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|
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/** Fit the children perpendicular to the flow direction. |
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For example, if the flow direction is horizontal, the children |
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will be vertically resized to fit the layout's rectangle. */ |
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EModeFitPerpendicular = 0x2, |
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}; |
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|
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/** |
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* Two-phased constructor, which attach new object into the control. |
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* @param aOwnerControl Control that owns this new obejct. |
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* @param aParentLayout If given, the new object is set as child. |
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*/ |
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IMPORT_C static CAlfFlowLayout* AddNewL(CAlfControl& aOwnerControl, |
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CAlfLayout* aParentLayout = 0); |
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/** |
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* Constructor. |
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*/ |
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IMPORT_C CAlfFlowLayout(); |
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/** |
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* Second-phase constructor. |
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*/ |
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IMPORT_C void ConstructL(CAlfControl& aOwner); |
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/** |
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* Destructor. |
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*/ |
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IMPORT_C virtual ~CAlfFlowLayout(); |
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/** |
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* Sets the direction of the flow. |
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* |
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* @param aDirection Flow direction. |
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*/ |
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IMPORT_C void SetFlowDirection(TFlowDirection aDirection); |
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/** |
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* Sets the centering mode of the flow. This sets/clears the |
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* EModeCenterPerpendicular flag. Calling this is equivalent to calling |
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* SetMode() with that flag included or missing from the mode. |
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* |
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* @param aCentering <code>ETrue</code> to set the EModeCenterPerpendicular mode. |
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* <code>EFalse</code> to clear it. |
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*/ |
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IMPORT_C void SetCentering(TBool aCentering); |
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/** |
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* Sets the mode of the flow. The mode flags determine how the flow layout |
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* behaves. |
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* |
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* @param aMode Mode flags (OR'd together). |
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* |
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* @see CAlfFlowLayout::TMode |
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*/ |
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IMPORT_C void SetMode(TInt aMode); |
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/** |
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* Returns the mode flags of the flow. |
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* |
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* @see CAlfFlowLayout::TMode |
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* |
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* @return Returns the current mode flags. |
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*/ |
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IMPORT_C TInt Mode() const; |
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/** |
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* From CAlfVisual |
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* @see CAlfVisual |
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*/ |
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IMPORT_C void RemoveAndDestroyAllD(); |
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IMPORT_C void UpdateChildrenLayout(TInt aTransitionTime = 0); |
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IMPORT_C CAlfVisual* FindTag(const TDesC8& aTag); |
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/** |
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* From CAlfLayout |
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* @see CAlfLayout |
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*/ |
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IMPORT_C TAlfXYMetric BaseUnit() const; |
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protected: |
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/** |
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* From CAlfVisual |
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* @see CAlfVisual |
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*/ |
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IMPORT_C void DoRemoveAndDestroyAllD(); |
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IMPORT_C void PropertyOwnerExtension(const TUid& aExtensionUid, TAny** aExtensionParams); |
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private: |
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struct TFlowLayoutPrivateData; |
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TFlowLayoutPrivateData* iFlowLayoutData; |
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}; |
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#endif // C_ALFFLOWLAYOUT_H |