1 /*******************************************************************************

     2  * Copyright (c) 2005, 2010 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved. This program and the accompanying materials

     4  * are made available under the terms of the Eclipse Public License v1.0

     5  * which accompanies this distribution, and is available at

     6  * http://www.eclipse.org/legal/epl-v10.html

     7  *

     8  * Contributors:

     9  *     Nokia Corporation - S60 implementation

    10  *******************************************************************************/

    11 

    12 

    13 #ifndef SWTLABEL_H

    14 #define SWTLABEL_H

    15 

    16 

    17 #include <eiklabel.h>

    18 #include <eikspace.h>

    19 #include "swtcontrolbase.h"

    20 #include "eswtwidgetscore.h"

    21 

    22 

    23 /**

    24  * CSwtLabel

    25  * @lib eswt

    26  */

    27 NONSHARABLE_CLASS(CSwtLabel)

    28         : public CAknControl

    29         , public ASwtControlBase

    30         , public MSwtLabel

    31 {

    32 // New methods

    33 public:

    34     static CSwtLabel* NewL(MSwtDisplay& aDisplay,

    35     TSwtPeer aPeer, MSwtComposite& aParent, TInt aStyle);

    36 

    37 protected:

    38     CSwtLabel(MSwtDisplay& aDisplay, TSwtPeer aPeer, MSwtComposite& aParent, TInt aStyle);

    39     ~CSwtLabel();

    40     void ConstructL();

    41 

    42 private:

    43     void  CreateImageL();

    44     void  CreateTextL();

    45     void  CreateSeparatorL();

    46     void  ClipTextL(TInt aWHint);

    47     TSize ComputeTextSizeL(TInt aWHint, TInt aHHint);

    48     TInt  CalcWrappedTextHeightL(TInt aWidth);

    49     TInt  CalcWrappedTextWidth(TInt aHeight);

    50     void  WrapTextL(TInt aWHint, TInt aHHint);

    51     void  WrapTextL(TSize aSize);

    52     void  RetrieveDefaultFontL();

    53     TSize MinimumSize() const;

    54     TInt  MinimumWidth() const;

    55     TInt  MinimumHeight() const;

    56     TInt  MinimumHeight(TInt aLineCount) const;

    57     void  DoSetFontL(const CFont* aFont);

    58     void  SwtHandleResourceChangeL(TInt aType);

    59 

    60 // From CCoeControl

    61 public:

    62     void  SetDimmed(TBool aDimmed);

    63     CCoeControl* ComponentControl(TInt aIndex) const;

    64     TInt  CountComponentControls() const;

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

    66     void  HandleResourceChange(TInt aType);

    67 protected:

    68     void  Draw(const TRect& aRect) const;

    69     void  FocusChanged(TDrawNow aDrawNow);

    70     void  PositionChanged();

    71     void  SizeChanged();

    72     TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

    73     void  DrawSeparator(CWindowGc& aGc) const;

    74     TRect CalcAndUpdateSeparatorRect();

    75     void  ResizeSeparatorImages();

    76 

    77 // From MSwtControl

    78 public:

    79     CCoeControl& CoeControl();

    80     const CCoeControl&  CoeControl() const;

    81     TBool IsFocusable(TInt aReason = KSwtFocusByApi) const;

    82     void  ProcessKeyEventL(const TKeyEvent& aKeyEvent, TEventCode aType);

    83     void  SetForegroundL(const MSwtColor* aColor);

    84     TSize ComputeSizeL(TInt aWHint, TInt aHHint);

    85     void  SetFontL(const MSwtFont* aFont);

    86 

    87 // From ASwtControlbase

    88 protected:

    89     const MSwtFont& DefaultFont() const;

    90 

    91 // From MSwtLabel

    92 public:

    93     MSwtControl* Control();

    94     TInt GetAlignment() const;

    95     void SetAlignment(TInt aAlignment);

    96     void SetImageL(const MSwtImage* aImage);

    97     void SetTextL(const TDesC& aText);

    98 

    99 // Data

   100 private:

   101     CFbsBitmap*      iSeparatorHead;

   102     CFbsBitmap*      iSeparatorHeadMask;

   103     CFbsBitmap*      iSeparatorCenter;

   104     CFbsBitmap*      iSeparatorCenterMask;

   105     CFbsBitmap*      iSeparatorTail;

   106     CFbsBitmap*      iSeparatorTailMask;

   107     TRect            iSeparatorHeadRect;

   108     TRect            iSeparatorCenterRect;

   109     TRect            iSeparatorTailRect;

   110     TInt             iSeparatorThickness;

   111     CEikLabel*       iEikLabel;             // Symbian label, owned, may be NULL

   112     HBufC*           iOriginalText;         // The original text set with the method SetText().

   113     TInt             iOriginalTextLineCount;// Count how many lines are in the text ('\n')

   114     MSwtFont*        iDefaultFont;          // The text's default font, owned, NULL only if iText is NULL

   115     const MSwtImage* iImage;                // The image to draw, may be NULL, ref counted

   116     const MSwtColor* iForegroundColor;      // The set foreground color

   117     TBool            iDashedLineSeparatorInUse;

   118 };

   119 

   120 

   121 #endif // SWTLABEL_H