uifw/ganes/src/HgVgButton.cpp
changeset 0 2f259fa3e83a
child 10 9f56a4e1b8ab
equal deleted inserted replaced
-1:000000000000 0:2f259fa3e83a
       
     1 /*
       
     2 * Copyright (c) 2009 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:    
       
    15 *
       
    16 */
       
    17 
       
    18 // INCLUDE FILES
       
    19 
       
    20 #include "HgVgButton.h"
       
    21 #include "HgVgHelper.h"
       
    22 #include <VG/vgu.h>
       
    23 #include <gulicon.h>
       
    24 
       
    25 
       
    26 
       
    27 // ============================ MEMBER FUNCTIONS ===============================
       
    28 // -----------------------------------------------------------------------------
       
    29 // CHgVgButton::NewL()
       
    30 // Two-phased constructor.
       
    31 // -----------------------------------------------------------------------------
       
    32 //
       
    33 CHgVgButton* CHgVgButton::NewL( const TSize& aSize, const TPoint& aPosition, 
       
    34         const CGulIcon& aIcon )
       
    35     {
       
    36     CHgVgButton* self = new ( ELeave ) CHgVgButton( aSize, aPosition );
       
    37     CleanupStack::PushL (self );
       
    38     self->ConstructL(aIcon);
       
    39     CleanupStack::Pop ( self );
       
    40     return self;
       
    41     }
       
    42 
       
    43 // -----------------------------------------------------------------------------
       
    44 // CHgVgButton::ConstructL()
       
    45 // Symbian 2nd phase constructor can leave.
       
    46 // -----------------------------------------------------------------------------
       
    47 //
       
    48 void CHgVgButton::ConstructL (const CGulIcon& aIcon)
       
    49     {
       
    50     iImage = HgVgHelper::CreateVgImageFromIconL(aIcon);    
       
    51     }
       
    52 
       
    53 // -----------------------------------------------------------------------------
       
    54 // CHgVgButton::CHgVgButton()
       
    55 // C++ default constructor can NOT contain any code, that might leave.
       
    56 // -----------------------------------------------------------------------------
       
    57 //
       
    58 CHgVgButton::CHgVgButton( const TSize& aSize, const TPoint& aPosition ) :
       
    59 iSize(aSize),
       
    60 iPosition(aPosition),
       
    61 iImage(VG_INVALID_HANDLE),
       
    62 iEnabled(ETrue),
       
    63 iPointerDown(EFalse)
       
    64     {
       
    65 
       
    66 
       
    67     }
       
    68         
       
    69 // -----------------------------------------------------------------------------
       
    70 // CHgVgButton::~CHgVgButton()
       
    71 // Destructor.
       
    72 // -----------------------------------------------------------------------------
       
    73 //
       
    74 CHgVgButton::~CHgVgButton ( )
       
    75     {
       
    76 
       
    77     
       
    78     }
       
    79 
       
    80 // -----------------------------------------------------------------------------
       
    81 // CHgVgButton::HandlePointerEvent()
       
    82 // -----------------------------------------------------------------------------
       
    83 //
       
    84 TBool CHgVgButton::HandlePointerEvent(const TPointerEvent& aEvent)
       
    85     {
       
    86     if (!iEnabled)
       
    87         return EFalse;
       
    88     
       
    89     TRect rect(iPosition, iSize);
       
    90     TBool result = EFalse;
       
    91 
       
    92     if( aEvent.iType == TPointerEvent::EButton1Down && 
       
    93             rect.Contains(aEvent.iPosition) && !iPointerDown )
       
    94         {
       
    95         iPointerDown = ETrue;
       
    96         result = ETrue;
       
    97         }
       
    98     else if( aEvent.iType == TPointerEvent::EButton1Up )
       
    99         {
       
   100         iPointerDown = EFalse;
       
   101         result = EFalse;
       
   102         }
       
   103     
       
   104     return result;
       
   105     }
       
   106 
       
   107 // -----------------------------------------------------------------------------
       
   108 // CHgVgButton::Enabled()
       
   109 // -----------------------------------------------------------------------------
       
   110 //
       
   111 TBool CHgVgButton::IsEnabled() const
       
   112     {
       
   113     return iEnabled;
       
   114     }
       
   115 
       
   116 // -----------------------------------------------------------------------------
       
   117 // CHgVgButton::Position()
       
   118 // -----------------------------------------------------------------------------
       
   119 //
       
   120 const TPoint& CHgVgButton::Position() const
       
   121     {
       
   122     return iPosition;
       
   123     }
       
   124  
       
   125 // -----------------------------------------------------------------------------
       
   126 // CHgVgButton::Size()
       
   127 // -----------------------------------------------------------------------------
       
   128 //
       
   129 const TSize& CHgVgButton::Size() const
       
   130     {
       
   131     return iSize;
       
   132     }
       
   133   
       
   134 // -----------------------------------------------------------------------------
       
   135 // CHgVgButton::SetEnabled()
       
   136 // -----------------------------------------------------------------------------
       
   137 //
       
   138 void CHgVgButton::SetEnabled(TBool aEnabled)
       
   139     {
       
   140     iEnabled = aEnabled;
       
   141     }
       
   142 
       
   143 // -----------------------------------------------------------------------------
       
   144 // CHgVgButton::SetPosition()
       
   145 // -----------------------------------------------------------------------------
       
   146 //
       
   147 void CHgVgButton::SetPosition(const TPoint& aPosition)
       
   148     {
       
   149     iPosition = aPosition;
       
   150     }
       
   151  
       
   152 // -----------------------------------------------------------------------------
       
   153 // CHgVgButton::SetSize()
       
   154 // -----------------------------------------------------------------------------
       
   155 //
       
   156 void CHgVgButton::SetSize(const TSize& aSize)
       
   157     {
       
   158     iSize = aSize;
       
   159     }
       
   160  
       
   161  
       
   162 // -----------------------------------------------------------------------------
       
   163 // CHgVgButton::SetIconL()
       
   164 // -----------------------------------------------------------------------------
       
   165 //
       
   166 void CHgVgButton::Draw(const TRect& aWindowRect, TReal aAlpha)
       
   167     {
       
   168     if (iEnabled)
       
   169         {
       
   170         TRgb color(KRgbWhite);
       
   171         color.SetAlpha(aAlpha * 255.0f);
       
   172         HgVgHelper::DrawImageColorized(iImage, color, iPosition, aWindowRect, EFalse);
       
   173         }
       
   174     }
       
   175 
       
   176 // End of File