TB10.1 Example Applications: examples/AppFramework/Apparc/Minimal/Minimal.cpp Source File

00001 // Copyright (c) 2005-2009 Nokia Corporation and/or its subsidiary(-ies).
+00002 // All rights reserved.
+00003 // This component and the accompanying materials are made available
+00004 // under the terms of "Eclipse Public License v1.0"
+00005 // which accompanies this distribution, and is available
+00006 // at the URL "http://www.eclipse.org/legal/epl-v10.html".
+00007 //
+00008 // Initial Contributors:
+00009 // Nokia Corporation - initial contribution.
+00010 //
+00011 // Contributors:
+00012 //
+00013 // Description:
+00014 //
+00015 
+00016 
+00017 #include "Minimal.h"
+00018 
+00019 const TUid KUidMinimal = { 0xE800008B };
+00020 
+00021 
+00022 // Called by the UI framework to get the application's UID
+00023 TUid CExampleApplication::AppDllUid() const
+00024         {
+00025         return KUidMinimal;
+00026         }
+00027 
+00028 // Called by the UI framework at application start-up to
+00029 // create an instance of the document class.
+00030 CApaDocument* CExampleApplication::CreateDocumentL()
+00031         {
+00032         return new (ELeave) CExampleDocument(*this);
+00033         }
+00034 
+00035 // Called by the UI framework to get the name of the resource file.
+00036 // This returns an empty filename as there is no resource file.
+00037 TFileName CExampleApplication::ResourceFileName() const
+00038         {
+00039         return TFileName();
+00040         }
+00041 
+00042 CExampleDocument::CExampleDocument(CEikApplication& aApp)
+00043                 : CEikDocument(aApp)
+00044         {}
+00045 
+00046 // Called by the UI framework to construct
+00047 // the application UI class. Note that the app UI's
+00048 // ConstructL() is called by the UI framework.
+00049 CEikAppUi* CExampleDocument::CreateAppUiL()
+00050         {
+00051         return new(ELeave) CExampleAppUi;
+00052         }
+00053 
+00054 // Second phase constructor of the application UI class.
+00055 // It creates and owns a single view.
+00056 void CExampleAppUi::ConstructL()
+00057         {
+00058         BaseConstructL(ENoAppResourceFile | ENoScreenFurniture);
+00059         iAppView = CExampleAppView::NewL(ClientRect());
+00060         }
+00061 
+00062 // The application UI class owns one view, and is responsible
+00063 // for destroying it.
+00064 CExampleAppUi::~CExampleAppUi()
+00065         {
+00066         delete iAppView;
+00067         }
+00068 
+00069 // Called by the UI framework when a command has been issued.
+00070 // Minimally needs to handle the exit command.
+00071 void CExampleAppUi::HandleCommandL(TInt aCommand)
+00072         {
+00073         switch (aCommand)
+00074                 {
+00075                 // Exit the application.
+00076                 case EEikCmdExit:
+00077                         Exit();
+00078                         break;
+00079                 }
+00080         }
+00081 
+00082 CExampleAppView::CExampleAppView()
+00083         {
+00084         }
+00085 
+00086 // Static function wraps up two-phase construction for the view.
+00087 CExampleAppView* CExampleAppView::NewL(const TRect& aRect)
+00088         {
+00089         CExampleAppView* self = new(ELeave) CExampleAppView();
+00090         CleanupStack::PushL(self);
+00091         self->ConstructL(aRect);
+00092         CleanupStack::Pop();
+00093         return self;
+00094         }
+00095 
+00096 CExampleAppView::~CExampleAppView()
+00097         {
+00098         }
+00099 
+00100 // Standard initialisation for a window-owning control.
+00101 void CExampleAppView::ConstructL(const TRect& aRect)
+00102         {
+00103         // Create the window owned by the view.
+00104         CreateWindowL();
+00105         // Set the view's size and position.
+00106         SetRect(aRect);
+00107         // Activate the view.
+00108         ActivateL();
+00109         }
+00110 
+00111 // Draws the view with a simple outline rectangle and then
+00112 // draws the welcome text centred.
+00113 void CExampleAppView::Draw(const TRect& /*aRect*/) const
+00114         {
+00115         // Use drawing parameters from the system graphics context.
+00116         CWindowGc& gc = SystemGc();
+00117         TRect drawRect = Rect();
+00118         const CFont* fontUsed;
+00119         gc.Clear();
+00120         drawRect.Shrink(10,10);
+00121         gc.DrawRect(drawRect);
+00122         fontUsed = iEikonEnv->TitleFont();
+00123         gc.UseFont(fontUsed);
+00124         TInt baselineOffset=(drawRect.Height())/2;
+00125         _LIT(KText,"Welcome to the minimal application example");
+00126         gc.DrawText(KText,drawRect,baselineOffset,CGraphicsContext::ECenter, 0);
+00127         gc.DiscardFont();
+00128         }
+00129 
+