1 /*

     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). 

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description: This file defines class CNcsEditor.

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CNCSEDITOR_H

    21 #define CNCSEDITOR_H

    22 

    23 

    24 #include <eikrted.h>

    25 #include <AknUtils.h>

    26 #include "ncscontrol.h"

    27 #include "ncsutility.h"

    28 #include "ncsconstants.h"

    29 

    30 class CAknsBasicBackgroundControlContext;

    31 class CNcsCustomDraw;

    32 class CNcsEditorCustomDraw;

    33 

    34 /**

    35 *  CNcsEditor

    36 */

    37 class CNcsEditor : public CEikRichTextEditor, public MNcsControl, public MCoeCaptionRetrieverForFep

    38     {

    39 public: // construction and destruction

    40     

    41     CNcsEditor(

    42         MNcsFieldSizeObserver* aSizeObserver = NULL,

    43         TBool aHeaderField = ETrue,

    44         TNcsEditorUsage aEditorUsage = ENcsEditorDefault,

    45         const TDesC& aCaptionText = TPtrC() );

    46     

    47     void ConstructL( const CCoeControl* aParent,

    48                      TInt aNumberOfLines,

    49                      TInt aTextLimit );    

    50 

    51     virtual ~CNcsEditor();

    52 

    53 public: // new functions

    54     

    55     void OpenVirtualKeyBoardL();

    56     

    57     void GetLineRectL( TRect& aLineRect ) const;

    58         

    59     virtual TInt ScrollableLines() const;

    60     

    61     virtual TInt CursorLineNumber() const;

    62     

    63     virtual TInt LineCount() const;

    64         

    65     virtual TInt CursorPosition() const;

    66         

    67     virtual const TDesC& GetLabelText() const;

    68 		

    69     // <cmail> Platform layout change       

    70     TInt LayoutLineCount() const;

    71     // </cmail> Platform layout change    

    72     

    73     virtual void Reposition(TPoint& /*aPt*/, TInt /*aWidth*/) {}

    74 

    75     void SetMaximumLabelLength( TSize aSize );

    76 		

    77     void SetupEditorL();

    78 		

    79     void PositionChanged();

    80         

    81     TInt TextHeight() const;

    82         

    83     TInt GetLineHeightL() const;

    84         

    85     TInt GetNumChars() const;

    86         

    87     TInt DocumentLength() const;

    88 

    89     TInt PixelsAboveBand() const;

    90     

    91     TInt ChangeBandTopL(TInt aPixels);

    92     

    93 	void UpdateFontSize();

    94 	

    95 	TBool HasSemicolonAtTheEndL() const;

    96 	

    97 	//<cmail>

    98 	void SetRealRect( TRect aRect );

    99 	

   100 	void FormatAllTextNowL();

   101 	//<cmail>

   102 

   103 	void UpdateCustomDrawer();

   104 	

   105 	void SetPhysicsEmulationOngoing( TBool aPhysOngoing );

   106 	

   107 	TBool IsPhysicsEmulationOngoing() const;

   108 	

   109 #ifdef _DEBUG

   110     void DebugDump();

   111 #endif

   112         

   113     void SetTextColorL( TLogicalRgb aColor );

   114 

   115     TInt TrimmedTextLength();

   116 

   117 // <cmail> Platform layout changes   

   118     void SetNcsFontType( NcsUtility::TNcsLayoutFont aFontType );

   119 // </cmail> Platform layout changes

   120 

   121 public: // from CoeControl

   122 

   123     TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

   124     void ActivateL();

   125 

   126 public: // from CEikEdwin

   127 

   128     virtual void SetTextL( const TDesC* aDes );

   129 

   130     virtual void HandleResourceChange( TInt aType );

   131 

   132 protected: // from CEikEdwin    

   133     

   134     //<cmail> Platform layout change

   135     // virtual CLafEdwinCustomDrawBase* CreateCustomDrawL();

   136     // </cmail>

   137 

   138 protected: // from MEditObserver

   139 

   140     virtual void EditObserver( TInt aStart, TInt aExtent );

   141     

   142 public: // CEikEdwin

   143     TCoeInputCapabilities InputCapabilities() const;  

   144 public: // MCoeCaptionRetrieverForFep

   145     void GetCaptionForFep(TDes& aCaption) const;

   146 

   147 private: // methods used internally    

   148 	// <cmail> Platform layout change 

   149     void UpdateFontL();

   150     // </cmail> Platform layout change 

   151 	

   152     void UpdateColors();

   153 

   154     TAknTextComponentLayout GetLayout();

   155 

   156     void Draw( const TRect& aRect ) const;

   157 

   158 private: // data

   159     

   160     TInt iPreviousFontHeight;

   161     TInt32 iPreviousLineSpacingInTwips;

   162 

   163     TRgb iTextColor;

   164     CCharFormatLayer* iGlobalCharFormat;

   165     

   166     // Flag indicating whether this control is header field.

   167     // Header fields have different backgrounds than message field.

   168     TBool iHeaderField;

   169 

   170     // Custom drawer. Not owned.

   171     CNcsCustomDraw* iCustomDrawer;

   172 

   173     // Platform layout change

   174     NcsUtility::TNcsLayoutFont iNcsFontType;

   175 

   176     // Custom drawer for row lines. Own  

   177     CNcsEditorCustomDraw* iEditorCustomDrawer;

   178     

   179     // what purpose editor is used to

   180     TNcsEditorUsage iEditorUsage;

   181     

   182     // Real screen rectangle

   183     TRect iRealRect;

   184 

   185 	// Caption text for virtual ITU-T

   186     HBufC*   iCaptionText; 

   187     

   188     // flag to indicate is there physics based dragging or flicking ongoing

   189     TBool iPhysOngoing;

   190     };

   191 

   192 

   193 #endif