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

00001 // Copyright (c) 1997-2009 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 #include <e32keys.h>
-00017 
-00018 #include <coemain.h>
-00019 
-00020 #include <eikenv.h>
-00021 #include <eikdef.h>
-00022 #include <eikon.hrh>
-00023 #include <eiklabel.h>
-00024 #include <eikstart.h>
-00025 
-00026 #include <txtshell.rsg>
-00027 #include "txtshell.hrh"
-00028 #include "txtshell.h"
-00029 
-00030 //
-00031 // TExampleShellModel
-00032 //
-00033 
-00034 TExampleShellModel::TExampleShellModel()
-00035         {
-00036         iLibrary=KNullDesC;
-00037         }
-00038 
-00039 TBool TExampleShellModel::Differs(const TExampleShellModel* aCompare) const
-00040         {
-00041         return((*(TInt32*)this)!=(*(TInt32*)aCompare));
-00042         }
-00043 
-00044 //
-00045 // class CExampleShellContainer
-00046 //
-00047 
-00048 void CExampleShellContainer::ConstructL(const TRect& aRect, TExampleShellModel* aModel)
-00049     {
-00050         iModel=aModel;
-00051     CreateWindowL();
-00052     Window().SetShadowDisabled(ETrue);
-00053     iContext=this;
-00054         iBrushStyle=CGraphicsContext::ESolidBrush;
-00055     iBrushColor=KRgbWhite;
-00056     SetRect(aRect);
-00057         CreateLabelL();
-00058     ActivateL();
-00059     }
-00060 
-00061 CExampleShellContainer::~CExampleShellContainer()
-00062     {
-00063         delete iExampleControl;
-00064         delete iLabel;
-00065     }
-00066     
-00067 TInt CExampleShellContainer::CountComponentControls() const
-00068         {
-00069         return 1 + (iExampleControl ? 1 : 0);
-00070         }
-00071 
-00072 CCoeControl* CExampleShellContainer::ComponentControl(TInt aIndex) const
-00073         {
-00074         switch (aIndex)
-00075                 {
-00076         case 0: return iLabel;
-00077         case 1: return iExampleControl;
-00078         default: return 0;
-00079                 };
-00080         }
-00081 
-00082 const TInt KLabelHeight=20;
-00083 
-00084 void CExampleShellContainer::CreateLabelL()
-00085         {
-00086         iLabel=new (ELeave) CEikLabel;
-00087         TRect rect=Rect();
-00088         rect.iTl.iY=rect.iBr.iY-KLabelHeight; // make it bottom 20 pixels
-00089         iLabel->SetContainerWindowL(*this);
-00090         iLabel->SetRect(rect);
-00091         iLabel->SetAlignment(EHCenterVCenter); // center text
-00092         iLabel->SetBufferReserveLengthL(200); // nice long buffer
-00093         iLabel->SetFont(iEikonEnv->AnnotationFont());
-00094         iLabel->ActivateL(); // now ready
-00095         }
-00096 
-00097 void CExampleShellContainer::ResetExampleL(CGraphicExampleControl* aExample)
-00098         {
-00099         // get rid of old control
-00100         delete iExampleControl;
-00101         // set up new one
-00102         iExampleControl=aExample;
-00103         // if non-zero, then carry on
-00104         if (!iExampleControl) return;
-00105         TRect rect=Rect(); // get our rect
-00106         rect.iBr.iY-=KLabelHeight; // make way for label
-00107         rect.Shrink(2,2); // shrink it a bit
-00108         iExampleControl->ConstructL(rect,this,*this); // construct, giving rect, observer, and parent
-00109         }
-00110 
-00111 void CExampleShellContainer::NotifyGraphicExampleFinished()
-00112         {
-00113         _LIT(KStatus,"example finished");
-00114         NotifyStatus(KStatus);
-00115         }
-00116 
-00117 void CExampleShellContainer::NotifyStatus(const TDesC& aMessage)
-00118         {
-00119         TRAPD(err,iLabel->SetTextL(aMessage));
-00120         if(err)
-00121                 {
-00122                 return;
-00123                 }       
-00124         if (IsActivated()) iLabel->DrawNow();
-00125         }
-00126 
-00127 TKeyResponse CExampleShellContainer::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
-00128     {
-00129         if      (iExampleControl)
-00130                 return iExampleControl->OfferKeyEventL(aKeyEvent,aType);
-00131         else
-00132                 return EKeyWasNotConsumed;
-00133     }
-00134 
-00135 void CExampleShellContainer::Draw(const TRect& /*aRect*/) const
-00136         {
-00137         CWindowGc& gc = SystemGc();
-00138         gc.SetPenStyle(CGraphicsContext::ENullPen);
-00139         gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
-00140         gc.DrawRect(Rect());
-00141         }
-00142 
-00143 //
-00144 // CExampleShellAppUi
-00145 //
-00146 
-00147 void CExampleShellAppUi::ConstructL()
-00148     {
-00149         _LIT(KStatus,"initialized");
-00150     BaseConstructL();
-00151         iModel=((CExampleShellDocument*)iDocument)->Model();
-00152     iContainer=new(ELeave) CExampleShellContainer;
-00153     iContainer->ConstructL(ClientRect(),iModel);
-00154         iContainer->NotifyStatus(KStatus);
-00155         // add container to stack; enables key event handling.
-00156         AddToStackL(iContainer);
-00157     }
-00158 
-00159 void CExampleShellAppUi::HandleCommandL(TInt aCommand)
-00160         {
-00161         switch (aCommand)
-00162                 {
-00163         case EExampleShellSelectGlobal:
-00164                 iContainer->ResetExampleL(new (ELeave) CGlobalControl);
-00165                 return;
-00166         case EExampleShellSelectRich:
-00167                 iContainer->ResetExampleL(new (ELeave) CRichControl);
-00168                 return;
-00169         case EExampleShellSelectStyled:
-00170                 iContainer->ResetExampleL(new (ELeave) CStyleControl);
-00171                 return;
-00172         case EExampleShellSelectView:
-00173                 iContainer->ResetExampleL(new (ELeave) CViewControl);
-00174                 return;
-00175         case EEikCmdExit:
-00176                 Exit();
-00177                 return;
-00178                 }
-00179         }
-00180 
-00181 CExampleShellAppUi::~CExampleShellAppUi()
-00182         {
-00183         RemoveFromStack(iContainer);
-00184     delete iContainer;
-00185         }
-00186 
-00187 //
-00188 // CExampleShellDocument
-00189 //
-00190 
-00191 CEikAppUi* CExampleShellDocument::CreateAppUiL()
-00192         {
-00193     return(new(ELeave) CExampleShellAppUi);
-00194         }
-00195 
-00196 //
-00197 // CExampleShellApplication
-00198 //
-00199 
-00200 TUid CExampleShellApplication::AppDllUid() const
-00201         {
-00202         return KUidExampleShellApp;
-00203         }
-00204 
-00205 CApaDocument* CExampleShellApplication::CreateDocumentL()
-00206         {
-00207         return new(ELeave) CExampleShellDocument(*this);
-00208         }
-00209 
-00210 LOCAL_C CApaApplication* NewApplication()
-00211         {
-00212         return new CExampleShellApplication;
-00213         }
-00214         
-00215 GLDEF_C TInt E32Main()
-00216         {
-00217         return EikStart::RunApplication(NewApplication);
-00218         }
-