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

    38     {

    39 public: // construction and destruction

    40     

    41     CNcsEditor(

    42         MNcsFieldSizeObserver* aSizeObserver = NULL,

    43         TBool aHeaderField = ETrue,

    44         TNcsEditorUsage aEditorUsage = ENcsEditorDefault );

    45     

    46     void ConstructL( const CCoeControl* aParent,

    47                      TInt aNumberOfLines,

    48                      TInt aTextLimit );    

    49 

    50     virtual ~CNcsEditor();

    51 

    52 public: // new functions

    53     

    54     void OpenVirtualKeyBoardL();

    55     

    56     void GetLineRectL( TRect& aLineRect ) const;

    57         

    58     virtual TInt ScrollableLines() const;

    59     

    60     virtual TInt CursorLineNumber() const;

    61     

    62     virtual TInt LineCount() const;

    63         

    64     virtual TInt CursorPosition() const;

    65         

    66     virtual const TDesC& GetLabelText() const;

    67 		

    68     // <cmail> Platform layout change       

    69     TInt LayoutLineCount() const;

    70     // </cmail> Platform layout change    

    71     

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

    73 

    74     void SetMaximumLabelLength( TSize aSize );

    75 		

    76     void SetupEditorL();

    77 		

    78     void PositionChanged();

    79         

    80     TInt TextHeight() const;

    81         

    82     TInt GetLineHeightL() const;

    83         

    84     TInt GetNumChars() const;

    85         

    86     TInt DocumentLength() const;

    87 

    88     TInt PixelsAboveBand() const;

    89     

    90     TInt ChangeBandTopL(TInt aPixels);

    91     

    92 	void UpdateFontSize();

    93 	

    94 	TBool HasSemicolonAtTheEndL() const;

    95 	

    96 	//<cmail>

    97 	void SetRealRect( TRect aRect );

    98 	

    99 	void FormatAllTextNowL();

   100 	//<cmail>

   101 

   102 	void UpdateCustomDrawer();

   103 	

   104 #ifdef _DEBUG

   105     void DebugDump();

   106 #endif

   107         

   108     void SetTextColorL( TLogicalRgb aColor );

   109 

   110     TInt TrimmedTextLength();

   111 

   112 // <cmail> Platform layout changes   

   113     void SetNcsFontType( NcsUtility::TNcsLayoutFont aFontType );

   114 // </cmail> Platform layout changes

   115 

   116 public: // from CoeControl

   117     

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

   119 

   120     virtual void SetRect( const TRect& aRect );

   121     void ActivateL();

   122     

   123 public: // from CEikEdwin

   124 

   125     virtual void SetTextL( const TDesC* aDes );

   126 

   127     virtual void HandleResourceChange( TInt aType );

   128 

   129 protected: // from CEikEdwin    

   130     

   131     //<cmail> Platform layout change

   132     // virtual CLafEdwinCustomDrawBase* CreateCustomDrawL();

   133     // </cmail>

   134 

   135 protected: // from MEditObserver

   136 

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

   138     

   139 private: // methods used internally

   140     

   141 	// <cmail> Platform layout change 

   142     void UpdateFontL();

   143     // </cmail> Platform layout change 

   144 	

   145     void UpdateColors();

   146 

   147     void UpdateGraphics();

   148     

   149     void DoUpdateGraphicsL();

   150     

   151     TAknTextComponentLayout GetLayout();

   152     //<cmail>

   153     void Draw( const TRect& aRect ) const;

   154     //</cmail>

   155 private: // data

   156     

   157     TInt iPreviousFontHeight;

   158     TInt32 iPreviousLineSpacingInTwips;

   159 

   160     TRgb iTextColor;

   161     CCharFormatLayer* iGlobalCharFormat;

   162     

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

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

   165     TBool iHeaderField;

   166 

   167     // background control context. Owned.

   168     CAknsBasicBackgroundControlContext* iBgContext;

   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 

   186 

   187 #endif