author | hgs |
Tue, 08 Jun 2010 13:16:48 +0300 | |
changeset 31 | 1b6909418757 |
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: Text style manager allows creation and management of |
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* platform text styles in Hitchcock UI Toolkit usage. |
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* |
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*/ |
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#ifndef __HUITEXTSTYLEMANAGER_H__ |
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#define __HUITEXTSTYLEMANAGER_H__ |
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#include <e32base.h> |
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#include <uiacceltk/huitextstyle.h> |
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|
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/** |
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* Preconfigured text styles. |
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* Matching text styles always exist in the text style manager. |
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* It is possible to retrieve the associated text style object through |
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* CHuiTextStyleManager::TextStyle() - interface. |
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*/ |
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enum THuiPreconfiguredTextStyle |
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{ |
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EHuiTextStyleNormal = 0, |
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EHuiTextStyleNormalItalic, |
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EHuiTextStyleMenuItem, |
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EHuiTextStyleSmall, |
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EHuiTextStyleMenuSmall, |
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EHuiTextStyleMenuTitle, |
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EHuiTextStyleLarge, |
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EHuiTextStyleSoftkey, |
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EHuiTextStyleSupplement, |
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EHuiTextStyleTitle |
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}; |
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/** |
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* CHuiTextStyleManager allows user to create text styles supported by the platform |
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* that can be used in Hitchcock UI Toolkit user interfaces. Text styles are referred |
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* to by Hithcock UI Toolkit session specific unique IDs. Collection of preconfigured |
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* text styles are constructed by default. @see THuiPreconfiguredTextStyle. |
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*/ |
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NONSHARABLE_CLASS(CHuiTextStyleManager): public CBase |
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{ |
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public: |
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/* Constructors and destructor. */ |
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/** |
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* Constructor. |
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*/ |
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static CHuiTextStyleManager* NewL(); |
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/** |
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* Constructor. |
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*/ |
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static CHuiTextStyleManager* NewLC(); |
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|
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/** |
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* Destructor. |
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*/ |
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~CHuiTextStyleManager(); |
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/** |
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* Creates a new text style object based on the S60 font style id passed into this method. |
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* Text style font and size are set according to the given S60 id. Ids are defined in |
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* avkon.hrh in TAknLogicalFontId enumeration. |
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* A unique toolkit specific ID is constructed and returned. This text style can be |
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* accessed anytime through the TextStyle - method based on the unique ID. The default |
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* text style has always ID 0. |
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* Text styles cascade properties from their parent styles. By default all text styles |
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* are descended from EHuiTextStyleNormal text style. |
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* If an invalid parent id is given the created text style will use EHuiTextStyleNormal |
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* as its parent. |
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* @see TextStyle() |
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* |
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* Created text styles must be deleted with DeleteTextStyle. |
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* @see DeleteTextStyle() |
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* |
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* @param aFontStyleId The S60 font style id based on which the text style object will be created. |
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* @param aParentId Toolkit specific ID of the parent text style. The text styles are cascaded. |
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* The parent of the created text style is EHuiTextStyleNormal by default. |
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* @return Unique toolkit specific ID for the created text style. |
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*/ |
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IMPORT_C TInt CreatePlatformTextStyleL(TInt aFontStyleId, TInt aParentId = EHuiTextStyleNormal); |
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/** |
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* Returns a text style object based on the text style id passed into this method. |
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* If no matching text style is found from the system the method returns the EHuiTextStyleNormal |
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* text style. There is a collection of preconfigured text styles available. They can |
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* be queried using the id enumerations from THuiPreconfiguredTextStyle. |
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* @see CreatePlatformTextStyleL() |
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* |
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* @param aId A text style id identifying the requested text style in the text style manager. |
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* @return A pointer to a requested text style. Various attributes of the text style |
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* can be changed using the returned pointer. |
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*/ |
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IMPORT_C THuiTextStyle* TextStyle(TInt aId); |
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/** |
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* Creates a new text style object that is identical with the given source text style. |
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* All the properties of the source text style are copied. The only difference is the |
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* text style ID. Each text style has a unique toolkit specific ID. |
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* |
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* Created text styles must be deleted with DeleteTextStyle. |
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* @see DeleteTextStyle() |
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* |
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* @param aSourceId A toolkit specific ID of the text style to be cloned. |
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* @return Unique toolkit specific ID for the created text style. |
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*/ |
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IMPORT_C TInt CopyTextStyleL(TInt aSourceId); |
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/** |
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* Deletes the given text style. |
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* |
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* @param aId Text style ID to delete. |
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* |
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* @return Error code. KErrNone if text style was deleted |
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* KErrArgument if there is no style defined with given ID |
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* KErrAccessDenied if the ID refers to pre-defined styles. |
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*/ |
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IMPORT_C TInt DeleteTextStyle(TInt aId); |
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|
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/** |
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* Constructs the collection of built-in preconfigured text styles. |
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* @see THuiPreconfiguredTextStyle |
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*/ |
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void ConstructBuiltInStylesL(); |
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/** |
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* |
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*/ |
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void SetSoftkeyTextStyle(TInt aTextStyleId); |
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void NotifyDisplaySizeChangedL(); |
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protected: |
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/* Constructors. */ |
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/** |
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* Default constructor. |
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*/ |
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CHuiTextStyleManager(); |
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/** |
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* Second-phase constructor. |
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*/ |
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void ConstructL(); |
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void InsertIntoArrayAndSetIdL(THuiTextStyle& style); |
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private: |
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/** Registry of all text styles within this manager. These text styles are |
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* accessed by text style id. |
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*/ |
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RPointerArray<THuiTextStyle> iTextStyles; |
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/** |
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* Last id of built in styles. |
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*/ |
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TInt iLastBuiltInStyleId; |
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}; |
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#endif //__HUITEXTSTYLEMANAGER_H__ |