listboxappview.cpp

symbian 二版本的自定义控件

/* Copyright (c) 2008, Nokia. All rights reserved */

#include <eikdef.h>
#include <eikenv.h>
#include <Listbox.mbg>
#include "ListboxAppView.h"
#include "NDList.h"

CListboxAppView* CListboxAppView::NewL(const TRect& aRect)
    {
    CListboxAppView* self = NewLC(aRect);
    CleanupStack::Pop(self);
    return self;
    }

CListboxAppView* CListboxAppView::NewLC(const TRect& aRect)
    {
    CListboxAppView* self = new (ELeave) CListboxAppView;
    CleanupStack::PushL(self);
    self->ConstructL(aRect);
    return self;
    }

void CListboxAppView::ConstructL(const TRect& aRect)
    {
    CreateWindowL();

	CFbsBitmap* icon = LoadGraphicsL(1);
	CFbsBitmap*	iconSelect = LoadGraphicsL(0);
	iList = new CNDList;
	iList->ContructL(icon,iconSelect);

	iArray = new(ELeave) CDesC16ArrayFlat(10);
	iArray->AppendL(_L("hello"));
	iArray->AppendL(_L("hello"));
	iArray->AppendL(_L("hello"));
	iList->SetItemArray(iArray);
    SetRect(aRect);

    ActivateL();
    }

CListboxAppView::CListboxAppView()
    {
    // Add any construction code that can not leave here
    }


CListboxAppView::~CListboxAppView()
    {
    // Add any destruction code here
	if(iList)
	{
		delete iList;
		iList = NULL;
    }
	if(iArray)
	{
		iArray->Reset();
		delete iArray;
		iArray = NULL;
	}
}
void CListboxAppView::Draw(const TRect& /*aRect*/) const
    {
    // Clear the screen
    CWindowGc& gc = SystemGc();
    gc.Clear(Rect());

	gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
	gc.SetBrushColor(KRgbCyan);

	const CFont* iFontTemp = iEikonEnv->LegendFont();
	gc.UseFont(iFontTemp);

	iList->Draw(gc);
    }
CFbsBitmap* CListboxAppView::LoadGraphicsL(TInt aType)
{
	TBuf<KMaxPath> pathAppMbm;
#ifdef __WINS__
	pathAppMbm.Copy(_L("z:\\system\\apps\\Listbox\\Listbox.mbm"));
#else
	TFileName appFullName;
	appFullName = Application()->AppFullName();
	TParsePtr parse(appFullName);
	pathAppMbm.Copy(parse.DriveAndPath());
	pathAppMbm.Append(_L("Listbox.mbm"));
#endif
	switch(aType)
	{
	case 0:
		return iEikonEnv->CreateBitmapL(pathAppMbm, EMbmListboxMarkoff);
	case 1:
		return iEikonEnv->CreateBitmapL(pathAppMbm, EMbmListboxMarkeditem);
	default:
		return NULL;
	}
}