TB9.2 Example Applications: examples/S60CppExamples/helloworldbasic/src/helloworldbasicappview.cpp Source File

00001 /*
+00002 * ==============================================================================
+00003 *  Name        : helloworldbasicappview.cpp
+00004 *  Part of     : Helloworldbasic
+00005 *  Interface   :
+00006 *  Description :
+00007 *  Version     :
+00008 *
+00009 *  Copyright (c) 2005-2006 Nokia Corporation.
+00010 *  This material, including documentation and any related
+00011 *  computer programs, is protected by copyright controlled by
+00012 *  Nokia Corporation.
+00013 * ==============================================================================
+00014 */
+00015 
+00016 // INCLUDE FILES
+00017 #include <coemain.h>
+00018 #include <aknutils.h>
+00019 #include "HelloWorldBasicAppView.h"
+00020 
+00021 // ============================ MEMBER FUNCTIONS ===============================
+00022 
+00023 // -----------------------------------------------------------------------------
+00024 // CHelloWorldBasicAppView::NewL()
+00025 // Two-phased constructor.
+00026 // -----------------------------------------------------------------------------
+00027 //
+00028 CHelloWorldBasicAppView* CHelloWorldBasicAppView::NewL( const TRect& aRect )
+00029     {
+00030     CHelloWorldBasicAppView* self = CHelloWorldBasicAppView::NewLC( aRect );
+00031     CleanupStack::Pop( self );
+00032     return self;
+00033     }
+00034 
+00035 // -----------------------------------------------------------------------------
+00036 // CHelloWorldBasicAppView::NewLC()
+00037 // Two-phased constructor.
+00038 // -----------------------------------------------------------------------------
+00039 //
+00040 CHelloWorldBasicAppView* CHelloWorldBasicAppView::NewLC( const TRect& aRect )
+00041     {
+00042     CHelloWorldBasicAppView* self = new ( ELeave ) CHelloWorldBasicAppView;
+00043     CleanupStack::PushL( self );
+00044     self->ConstructL( aRect );
+00045     return self;
+00046     }
+00047 
+00048 // -----------------------------------------------------------------------------
+00049 // CHelloWorldBasicAppView::ConstructL()
+00050 // Symbian 2nd phase constructor can leave.
+00051 // -----------------------------------------------------------------------------
+00052 //
+00053 void CHelloWorldBasicAppView::ConstructL( const TRect& aRect )
+00054     {
+00055     // Create a window for this application view
+00056     CreateWindowL();
+00057 
+00058     // set the font
+00059     iFont = AknLayoutUtils::FontFromId(EAknLogicalFontPrimaryFont);
+00060 
+00061     iText.Zero();
+00062 
+00063     // Set the windows size
+00064     SetRect( aRect );
+00065 
+00066     // Activate the window, which makes it ready to be drawn
+00067     ActivateL();
+00068     }
+00069 
+00070 // -----------------------------------------------------------------------------
+00071 // CHelloWorldBasicAppView::CHelloWorldBasicAppView()
+00072 // C++ default constructor can NOT contain any code, that might leave.
+00073 // -----------------------------------------------------------------------------
+00074 //
+00075 CHelloWorldBasicAppView::CHelloWorldBasicAppView()
+00076     {
+00077     // No implementation required
+00078     }
+00079 
+00080 
+00081 // -----------------------------------------------------------------------------
+00082 // CHelloWorldBasicAppView::~CHelloWorldBasicAppView()
+00083 // Destructor.
+00084 // -----------------------------------------------------------------------------
+00085 //
+00086 CHelloWorldBasicAppView::~CHelloWorldBasicAppView()
+00087     {
+00088     // No implementation required
+00089     }
+00090 
+00091 
+00092 // -----------------------------------------------------------------------------
+00093 // CHelloWorldBasicAppView::Draw()
+00094 // Draws the display.
+00095 // -----------------------------------------------------------------------------
+00096 //
+00097 void CHelloWorldBasicAppView::Draw( const TRect& /*aRect*/ ) const
+00098     {
+00099     // note that the whole screen is drawn everytime, so aRect-parameter
+00100     // is ignored
+00101 
+00102     // Get the standard graphics context
+00103     CWindowGc& gc = SystemGc();
+00104     gc.SetPenStyle( CGraphicsContext::ENullPen );
+00105     gc.SetBrushColor( KRgbWhite);
+00106     gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
+00107 
+00108     // Gets the control's extent
+00109     TRect rect( Rect());
+00110 
+00111     // draw also text, if user has given it via dialog
+00112     if (iText.Length() > 0)
+00113         {
+00114         gc.UseFont(iFont);
+00115         gc.DrawText(iText, rect, Rect().Height()/3, CGraphicsContext::ECenter );
+00116         gc.DiscardFont();
+00117         }
+00118     else
+00119         {
+00120         gc.Clear( rect );
+00121         }
+00122     }
+00123 
+00124 // -----------------------------------------------------------------------------
+00125 // CHelloWorldBasicAppView::SizeChanged()
+00126 // Called by framework when the view size is changed.
+00127 // -----------------------------------------------------------------------------
+00128 //
+00129 void CHelloWorldBasicAppView::SizeChanged()
+00130     {
+00131     }
+00132 
+00133 // -----------------------------------------------------------------------------
+00134 // CHelloWorldBasicAppView::GetText()
+00135 // Called by AppUi to either set the text (via dialog) or zero the contents.
+00136 // -----------------------------------------------------------------------------
+00137 //
+00138 TDes & CHelloWorldBasicAppView::GetText()
+00139     {
+00140     return iText;
+00141     }
+00142 
+00143 // End of File
+00144 
+