senddatacontainer.cpp

symbian中讲述的一个有关M类使用的例子

/*
* ============================================================================
*  Name     : CSendDataContainer from CCoeControl, MCoeControlObserver
*  Part of  : SendData
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

// INCLUDE FILES
#include <eiklabel.h>  // for example label control
#include <barsread.h>  // for resource reader
#include <eikedwin.h>  // for CEikEdwin
#include <eikgted.h>   // for CEikGlobalTextEditor

#include <MClassExample.rsg>
#include "MClassExample.hrh"
#include "SendDataContainer.h"
// 
// // Definitions
#define EDWIN_POS           TPoint(10, 25)

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

// C++ default constructor can NOT contain any code, that
// might leave.
//
CSendDataContainer::CSendDataContainer()
    {
	iEdwin = NULL;
    }

// EPOC default constructor can leave.
void CSendDataContainer::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

	iEdwin = new(ELeave)CEikEdwin;
	iEdwin->SetContainerWindowL(*this);
	iEdwin->ConstructL(EEikEdwinNoAutoSelection | EEikEdwinIgnoreVirtualCursor, 10, 10, 1);
	iEdwin->SetFocus(ETrue);

    SetRect(aRect);
    ActivateL();
    }

// Destructor
CSendDataContainer::~CSendDataContainer()
    {
	delete iEdwin;
    }

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

void CSendDataContainer::FocusTo(TInt aCommand)
    {
    }

// ---------------------------------------------------------
// CSendDataContainer::SizeChanged()
// Called by framework when the view size is changed
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CSendDataContainer::SizeChanged()
    {
	if (iEdwin)
	{
			iEdwin->SetExtent(EDWIN_POS,iEdwin->MinimumSize());
	}
    }

// ---------------------------------------------------------
// CSendDataContainer::CountComponentControls() const
// (other items were commented in a header).
// ---------------------------------------------------------
//
TInt CSendDataContainer::CountComponentControls() const
    {
    return 1; // return nbr of controls inside this container
    }

// ---------------------------------------------------------
// CSendDataContainer::ComponentControl(TInt aIndex) const
// (other items were commented in a header).
// ---------------------------------------------------------
//
CCoeControl* CSendDataContainer::ComponentControl(TInt aIndex) const
    {
    switch (aIndex)
               {
               case 0:
                   return iEdwin;
               default:
                   return NULL;
              }
//  	return NULL;
    }

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

// ---------------------------------------------------------
// CSendDataContainer::OfferKeyEventL(...)
// Notify key events to editors.
// (other items were commented in a header).
// ---------------------------------------------------------
//
TKeyResponse CSendDataContainer::OfferKeyEventL(
    const TKeyEvent& aKeyEvent, TEventCode aType)
    {
    return EKeyWasNotConsumed;
    }


// ---------------------------------------------------------
// CSendDataContainer::HandleControlEventL(
//     CCoeControl* aControl,TCoeEvent aEventType)
// (other items were commented in a header).
// ---------------------------------------------------------
//
void CSendDataContainer::HandleControlEventL(
    CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
    {
    }

void CSendDataContainer::GetInput(TDes& aInput)
{
	iEdwin->GetText(aInput);
}
// End of File