lookovermemocontainer.cpp

一个比较完整的有关移动开发的例子 vc++6.0下编译通过

/*
* ============================================================================
*  Name     : CLookOverMemoContainer from CCoeControl, MCoeControlObserver
*  Part of  : LookOverMemo
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/
#define MEM_FREE(p) if (NULL!=p){delete p; p = NULL;}  //标签控件新加 
// INCLUDE FILES
#include <FairyLand.rsg>
#include "FairyLand.hrh"
#include "LookOverMemoContainer.h"

#include <eiklabel.h>	//for CEikLabel
#include <eikedwin.h> //for CEikEdwin
#include <barsread.h>	//for resource reade
#include "FairyLandAppUi.h"


// ================= MEMBER FUNCTIONS =======================

// C++ default constructor can NOT contain any code, that
// might leave.
//
CLookOverMemoContainer::CLookOverMemoContainer()
{
     m_pLabel = NULL;
     m_pEdit = NULL;
     m_pLabel2 = NULL;
     m_pEdit2 = NULL;  
}

// EPOC default constructor can leave.
void CLookOverMemoContainer::ConstructL(const TRect& aRect,TInt aIndex)
    {
    CreateWindowL();
	CFairyLandAppUi* pApp=(CFairyLandAppUi*)CEikonEnv::Static()->AppUi();
	iArray=pApp->GetArray();
    //Label
	m_pLabel=new(ELeave) CEikLabel;
	m_pLabel->SetContainerWindowL(*this);
	TBuf<20> buf1;
	CEikonEnv::Static()->ReadResource(buf1, R_QTN_MH_TITLE);
	m_pLabel->SetTextL(buf1);
	m_pLabel->SetExtent(TPoint(10,10), m_pLabel->MinimumSize());
 //   m_pLabel->SetTextL(_L("Title: "));
//Edit
    m_pEdit = new(ELeave)CEikEdwin;
    m_pEdit->SetContainerWindowL(*this);
	TBuf<32> Title;
	Title.Copy((iArray->At(aIndex).GetTitle())->Des());
    m_pEdit->ConstructL(EAknEditorFlagDefault, 10, 10, 1);
    m_pEdit->SetExtent(TPoint(50,10), TSize(110,20));
	m_pEdit->SetTextL(&Title);
    m_pEdit->SetFocus(EFalse);

//Label2
	m_pLabel2=new(ELeave) CEikLabel;
	m_pLabel2->SetContainerWindowL(*this);
	TBuf<20> buf2;
	CEikonEnv::Static()->ReadResource(buf2, R_QTN_MH_CONTENT);
	m_pLabel2->SetTextL(buf2);
	m_pLabel2->SetExtent(TPoint(10,40), m_pLabel->MinimumSize());


//Edit2
    m_pEdit2 = new(ELeave) CEikEdwin;
    m_pEdit2->SetContainerWindowL(*this);
    m_pEdit2->ConstructL(EAknEditorFlagDefault, 10, 500, 10);
    m_pEdit2->SetExtent(TPoint(50,40), TSize(110,90));
	if (iArray->At(aIndex).GetContent()!=NULL)
	{
		TBuf<500> Content;
		Content.Copy((iArray->At(aIndex).GetContent())->Des());
		m_pEdit2->SetTextL(&Content);
	}

	
	SetRect(aRect);
    ActivateL();
    }

// Destructor
CLookOverMemoContainer::~CLookOverMemoContainer()
    {    
    MEM_FREE(m_pLabel);      
    MEM_FREE(m_pEdit);  
    MEM_FREE(m_pLabel2);       
    MEM_FREE(m_pEdit2);    
    }

// ---------------------------------------------------------
// CLookOverMemoContainer::FocusTo(TInt aCommand)
// Change foccused control.
// (other items were commented in a header).
// ---------------------------------------------------------
//

void CLookOverMemoContainer::FocusTo(TInt aCommand)
    {
    }

// ---------------------------------------------------------
// CLookOverMemoContainer::SizeChanged()
// Called by framework when the view size is changed
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CLookOverMemoContainer::SizeChanged()
    {
    }

// ---------------------------------------------------------
// CLookOverMemoContainer::CountComponentControls() const
// (other items were commented in a header).
// ---------------------------------------------------------
//
TInt CLookOverMemoContainer::CountComponentControls() const
    {
    return 4; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CLookOverMemoContainer::ComponentControl(TInt aIndex) const
// (other items were commented in a header).
// ---------------------------------------------------------
//
CCoeControl* CLookOverMemoContainer::ComponentControl(TInt aIndex) const
{
		    switch (aIndex)
{
	case 0:
		{
			return m_pLabel;
			break;
		}
 	case 1:
 		{
 			return m_pEdit;
 			break;
		}
    case 2: 	
                {
			return m_pLabel2;
			break;
		}
    case 3:
 		{
 			return m_pEdit2;
 			break;
 		}
	default:
		{
			return NULL;
			break;
		}
}	 
}

// ---------------------------------------------------------
// CLookOverMemoContainer::Draw(const TRect& aRect) const
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CLookOverMemoContainer::Draw(const TRect& aRect) const
    {
    CWindowGc& gc = SystemGc();
    gc.SetPenStyle(CGraphicsContext::ENullPen);
    gc.SetBrushColor(KRgbCyan);
    gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
    gc.DrawRect(aRect);
    }

// ---------------------------------------------------------
// CLookOverMemoContainer::OfferKeyEventL(...)
// Notify key events to editors.
// (other items were commented in a header).
// ---------------------------------------------------------
//
TKeyResponse CLookOverMemoContainer::OfferKeyEventL(
    const TKeyEvent& aKeyEvent, TEventCode aType)
{
    	        if (m_pEdit)
	{
		if (m_pEdit->IsFocused())
		{
			if((aType == EEventKey) && (aKeyEvent.iCode == EKeyDownArrow))
			{
				m_pEdit->SetFocus(EFalse);
				m_pEdit2->SetFocus(ETrue);
				return EKeyWasConsumed;
			}
			return m_pEdit->OfferKeyEventL(aKeyEvent, aType);
		}
	}
	
	
	    	if (m_pEdit2)
	{
		if (m_pEdit2->IsFocused())
		{
			if((aType == EEventKey) && (aKeyEvent.iCode == EKeyUpArrow))
			{
				m_pEdit2->SetFocus(EFalse);
				m_pEdit->SetFocus(ETrue);
				return EKeyWasConsumed;
			}
			return m_pEdit2->OfferKeyEventL(aKeyEvent, aType);
		}
	}
	return EKeyWasNotConsumed;
}


// ---------------------------------------------------------
// CLookOverMemoContainer::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CLookOverMemoContainer::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    }
void CLookOverMemoContainer::GetLoginName(TDes &aName, TDes &passwd)
{
  	m_pEdit->GetText(aName);
    m_pEdit2->GetText(passwd); 
}