TB10.1 Example Applications: examples/Graphics/GraphicsShell/GraphicsControl.cpp Source File

00001 // Copyright (c) 2000-2009 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 "GraphicsControl.h"
+00017 
+00018 #include <coemain.h>
+00019 #include <coeaui.h>
+00020 
+00021 _LIT(KtxtSwiss,"Swiss");
+00022 
+00023 void CGraphicExampleControl::ConstructL(const TRect& aRect, MGraphicsExampleObserver* aGraphObserver, 
+00024                                                                                 const CCoeControl& aParent)
+00025         {
+00026         // remember the graphics observer
+00027         iGraphObserver=aGraphObserver;
+00028         // create window
+00029         CreateWindowL(&aParent);
+00030         // construct font for messages
+00031     TFontSpec spec(KtxtSwiss,213);
+00032     iMessageFont=iCoeEnv->CreateScreenFontL(spec);
+00033         // set rectangle to prescription
+00034         SetRect(aRect);
+00035         // go for it
+00036         ActivateL();
+00037         UpdateModelL(); // phase 0
+00038         }
+00039 
+00040 CGraphicExampleControl::~CGraphicExampleControl()
+00041         {
+00042         iCoeEnv->ReleaseScreenFont(iMessageFont);
+00043         }
+00044 
+00045 void CGraphicExampleControl::Quit()
+00046         {
+00047         iGraphObserver->NotifyGraphicExampleFinished();
+00048         }
+00049 
+00050 void CGraphicExampleControl::NextPhaseL()
+00051         {
+00052         if (++iPhase >= iMaxPhases)
+00053                 Quit();
+00054         else
+00055                 {
+00056                 UpdateModelL();
+00057                 DrawNow();
+00058                 }
+00059         }
+00060 
+00061 void CGraphicExampleControl::HandlePointerEventL(const TPointerEvent& aPointerEvent)
+00062         {
+00063         if (aPointerEvent.iType==TPointerEvent::EButton1Down) NextPhaseL();
+00064         }
+00065 
+00066 TKeyResponse CGraphicExampleControl::OfferKeyEventL(
+00067                         const TKeyEvent& aKeyEvent,TEventCode aType
+00068                         )
+00069         {
+00070         if (aType!=EEventKey) return EKeyWasNotConsumed;
+00071         TInt code=aKeyEvent.iCode;
+00072         switch (code)
+00073                 {
+00074                 case ' ':
+00075                         NextPhaseL();
+00076                         break;
+00077                 default:
+00078                         return EKeyWasNotConsumed;
+00079                 }
+00080         return EKeyWasConsumed;
+00081         }
+00082 
+