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:  Container class for compose view

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef CNCSSUBJECTFIELD_H

    21 #define CNCSSUBJECTFIELD_H

    22 

    23 

    24 #include <aknview.h>

    25 #include <AknDef.h>

    26 #include "ncseditor.h"

    27 #include "ncscontrol.h"

    28 #include"ncsconstants.h"

    29 

    30 

    31 class CEikImage;

    32 class MNcsFieldSizeObserver;

    33 class CNcsHeaderContainer;

    34 

    35 

    36 // CLASS DECLARATION

    37 /**

    38 *  CNcsSubjectField container control class.

    39 *

    40 *  @lib -

    41 *  @since S60 v3.0

    42 */

    43 class CNcsSubjectField : public CCoeControl, public MEikEdwinSizeObserver, public MNcsControl

    44     {

    45 public: // Constructors and destructor

    46 

    47         /**

    48         * NewL.

    49         * Two-phased constructor.

    50         * Create a CNcsSubjectField object, which will draw itself to aRect

    51         * @since S60 v3.0

    52         * @param aParent parent window.

    53         * @param aText caption text

    54         * @return a pointer to the created instance of CNcsSubjectField.

    55         */

    56     static CNcsSubjectField* NewL( TInt aLabelTextId,

    57                                    MNcsFieldSizeObserver* aSizeObserver,

    58                                    CNcsHeaderContainer* aParentControl );

    59 

    60     virtual ~CNcsSubjectField();

    61 

    62 public: // new functions

    63     

    64     TInt MinimumHeight();

    65         

    66     void SetSubjectL( const TDesC& aSubject );

    67         

    68     CNcsEditor* Editor() const;

    69         

    70     TInt LineCount() const;

    71 

    72     TInt CursorLineNumber() const;

    73 

    74     TInt CursorPosition() const;

    75 

    76     TInt ScrollableLines() const;

    77 

    78     TInt GetNumChars() const;

    79 

    80     const TDesC& GetLabelText() const;

    81     

    82     // <cmail> Platform layout change       

    83     TInt LayoutLineCount() const;

    84     // </cmail> Platform layout change    

    85     

    86     void GetLineRectL( TRect& aLineRect ) const;

    87 

    88     void SetMaxLabelLength( TInt aMaxLength );

    89 

    90     TInt GetMinLabelLength() const;

    91 

    92     void SelectAllTextL();

    93 

    94     void SetTextColorL( TLogicalRgb aColor );

    95 		

    96 public: // from CoeControl

    97         /**

    98         * SetContainerWinowL

    99         * Set the cotainer window this control should raw in

   100         * @since S60 v3.0

   101         * @param aContainer The window continer that owns this control

   102         */

   103     void SetContainerWindowL(const CCoeControl& aContainer);

   104 

   105     /**

   106     * Draw

   107     * Draw this CNcsSubjectField to the screen.

   108     * @since S60 v3.0

   109     * @param aRect the rectangle of this view that needs updating

   110     */

   111     void Draw( const TRect& aRect ) const;

   112         

   113     /**

   114     * From CCoeControl

   115     */

   116     void SizeChanged();

   117 

   118     void PositionChanged();

   119         

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

   121         

   122     void FocusChanged(TDrawNow aDrawNow);                  

   123 

   124     void HandleResourceChange( TInt aType );

   125         

   126     /**

   127     * From MEikEdwinSizeObserver

   128     */

   129     TBool HandleEdwinSizeEventL( CEikEdwin* aEdwin, TEdwinSizeEvent aEventType, TSize aDesirableEdwinSize );

   130         

   131     inline void Reposition( TPoint& aPt, TInt aWidth );

   132 

   133 private:

   134     

   135     CNcsSubjectField( MNcsFieldSizeObserver* aSizeObserver, CNcsHeaderContainer* aParentControl );

   136         

   137     void ConstructL( TInt aLabelTextId );

   138     

   139     void UpdateColors();

   140     

   141     void UpdateFontSize();

   142     

   143 

   144     void HandleFocusChangedL();

   145     

   146     static TInt DoHandleFocusChanged( TAny* aSelfPtr ); 

   147     

   148     //<cmail>

   149     void HandlePointerEventL( const TPointerEvent& aPointerEvent );

   150     //</cmail>

   151         

   152 private: // data

   153     

   154     CNcsHeaderContainer* iParentControl; // not owned

   155     

   156     /*

   157     * text field

   158     * Own

   159     */

   160     CNcsLabel* iLabel;

   161         

   162 // <cmail> Platform layout changes

   163     const CFont* iFont; // not owned, needs to be released in the end

   164 // </cmail> Platform layout changes

   165     

   166     /*

   167     * text field

   168     * Own

   169     */

   170     CNcsEditor* iTextEditor;

   171         

   172     TInt iEditorMinimumHeight;

   173             

   174     TInt iMaximumLabelLength;         

   175       	

   176     TRgb iBorderColor;

   177     

   178     TRgb iBgColor;

   179     

   180     CAsyncCallBack* iFocusChangeHandler;

   181     

   182     TBool iDrawAfterFocusChange;

   183    

   184 // <cmail> Platform layout changes

   185     TInt iEditorLineCount;

   186 // </cmail> Platform layout changes

   187     };

   188 

   189 #endif // CNCSSUBJECTFIELD_H