inner class

From:
mosfet <john.doe@anonymous.org>
Newsgroups:
comp.lang.c++
Date:
Fri, 09 Nov 2007 13:34:35 +0100
Message-ID:
<473453db$0$24189$426a74cc@news.free.fr>
Hi,

here is my problem. I have a base class and two class deriving from it
that I use to handle different UI context.
These classes are used inside another UI class called CMainView

// definition
class UIContext
{
public:
    UIContext(CMainView* pView, LPListInfo_t lpListInfo = NULL) = 0;
    virtual ~UIContext();

    virtual void DoLayout() = 0;
    virtual void SetListView() = 0;
    virtual LPListInfo_t GetListInfo();

protected:

    LPListInfo_t m_lpListInfo;
    int m_nItemCount;
    CMainView* m_pView;
};

class UIContextMain : public UIContext
{
public:
    UIContextMain( CMainView* pView );
    virtual ~UIContextMain() {}

    virtual void DoLayout();
    virtual void SetListView();
};

class UIContextSettings : public UIContext
{
public:
    UIContextSettings( CMainView* pView );
    virtual ~UIContextSettings() {}

    virtual void DoLayout();
    virtual void SetListView();
};

class CMainView : public CBaseView
{

....
protected:
UIContext* m_pCurCtx; // Current context
UIContextMain* m_pCtxMain; // Main Context
UIContextSchedule* m_pCtxSchedule; // Scheduling context
UIContextSettings* m_pCtxSettings; // Settings Context
}

----------------------------------------------------------------
Implemntation:

UIContext::UIContext(CMainView* pView, LPListInfo_t lpListInfo)
{
m_pView = pView;
m_lpListInfo = NULL;
}

void UIContextMain::SetListView()
{
    CString strText;
    CSyncClient* pSyncClient = CSyncClient::GetInstance();

    int nIndex = 0;
    for (int i = 0; i < m_nItemCount ; i++)
    {
        strText = m_pView->GetResText(m_lpListInfo[i].TextId);
        ...
    }
}

The problem with this approach is that I need to use m_pView everytime I
need to access to my CMainView*.
How can I have a class that can directly access to CMainView members
without having to deference a pointer ?

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