//
// dlgbase.h: base class for dialogs
//            (modal and modeless)
//
// Copyright (C) Microsoft Corporation 1999-2001
// (nadima)
//

#ifndef _dlgbase_h_
#define _dlgbase_h_

class CDlgBase
{
public:
    CDlgBase(HWND hwndOwner, HINSTANCE hInst, INT dlgResId);
    virtual ~CDlgBase();

    virtual INT_PTR CALLBACK DialogBoxProc (HWND hwndDlg, UINT uMsg,WPARAM wParam, LPARAM lParam);

    BOOL   GetPosition(int* pLeft, int* pTop);
    BOOL   SetPosition(int left, int top);
    void   SetStartupPosLeft(int left) {_startupLeft = left;}
    void   SetStartupPosTop(int top)   {_startupTop = top;}
    int    GetStartupPosLeft()         {return _startupLeft;}
    int    GetStartupPosTop()          {return _startupTop;}

protected:
    //
    // Protected dialog utility functions
    //

    INT    CreateModalDialog(LPCTSTR lpTemplateName);
    static INT_PTR CALLBACK StaticDialogBoxProc(HWND _hwndDlgDlg,
                                                UINT uMsg,
                                                WPARAM wParam,
                                                LPARAM lParam);

    void SetDialogAppIcon(HWND hwndDlg);
    void EnableDlgItem(UINT  dlgItemId,
                       BOOL  enabled);
    void CenterWindow(HWND hwndCenterOn, INT xRatio=2, INT yRatio=2);

protected:
    void    RepositionControls(int moveDeltaX, int moveDeltaY, UINT* ctlIDs, int numID);
    void    EnableControls(UINT* ctlIDs, int numID, BOOL bEnable);
    DLGTEMPLATE* DoLockDlgRes(LPCTSTR lpszResName);
    HWND        _hwndDlg;
    HWND        _hwndOwner;
    HINSTANCE   _hInstance;
    INT       _dlgResId;

    //
    // Start position
    //
    int         _startupLeft;
    int         _startupTop;

    //
    // End positon on exit
    //
    int         _Left;
    int         _Top;
};


#endif //_dlgbase_h_