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// ==========================================================================
// Class Specification : COXMDIClient
// ==========================================================================
// Header file : xmdiclt.h
// This software along with its related components, documentation and files ("The Libraries")
// is � 1994-2007 The Code Project (1612916 Ontario Limited) and use of The Libraries is
// governed by a software license agreement ("Agreement"). Copies of the Agreement are
// available at The Code Project (www.codeproject.com), as part of the package you downloaded
// to obtain this file, or directly from our office. For a copy of the license governing
// this software, you may contact us at legalaffairs@codeproject.com, or by calling 416-849-8900.
// //////////////////////////////////////////////////////////////////////////
// Properties:
// NO Abstract class (does not have any objects)
// YES Derived from CWnd
// YES Is a Cwnd.
// YES Two stage creation (constructor & Create())
// YES Has a message map
// NO Needs a resource (template)
// NO Persistent objects (saveable on disk)
// NO Uses exceptions
// //////////////////////////////////////////////////////////////////////////
// Desciption :
// This class implements a MDIClient area. This is the window in the client area
// of the MDiFrameWindow and which manages all the mdichild framewindows
// This implementation takes care of painting a bitmap on its paint DC
// Remark:
// Prerequisites (necessary conditions):
/////////////////////////////////////////////////////////////////////////////
#ifndef __XMDICLT_H__
#define __XMDICLT_H__
#if _MSC_VER >= 1000
#pragma once
#endif // _MSC_VER >= 1000
#include "OXDllExt.h"
#include "oxdib.h" // Encapsulation of a Device independant bitmap
#include "screen.h" // Enumeration of possible screen organisations
// User message for sending palette changes to this MDI CLIENT
#define WM_DOMDICLTREALIZE (WM_USER + 104)
class OX_CLASS_DECL COXMDIClient : public CWnd
{
// Data members -------------------------------------------------------------
public:
protected:
COXDIB m_bmpBackGround;
CPalette* m_pPictPalette;
CBitmap* m_pTotalNewBitmap;
COLORREF m_rgbBkColor;
EWallOrg m_eWallPaperOrganisation;
CSize m_sizeClient;
CSize m_DibSize;
HBITMAP m_hOldDestBitmap;
HBITMAP m_hOldSrcBitmap;
CDC m_MemDCSrc;
CDC m_MemDCDest;
BOOL m_bFirstCreation;
BOOL m_bBackGround;
BOOL m_bWin4;
static WNDPROC pfnSuper;
// Member functions ---------------------------------------------------------
public:
COXMDIClient();
// --- In :
// --- Out :
// --- Returns :
// --- Effect : Contructor of object
// It will initialize the internal state
virtual ~COXMDIClient();
// --- In :
// --- Out :
// --- Returns :
// --- Effect : Destructor of object
BOOL SetPaletteState(BOOL bBackGround = TRUE, EPalUpdate ePalUpdate = PU_IntelUpdate);
// --- In : bBackGround : whether the DIB on the MDI CLIENT is treated as
// a background image or foreground for palette selecting
// ePalUpdate : Specifying PU_NoUpdate causes the palette not to be realized now
// Specifying PU_IntelUpdate causes the palette to be realized intelligently
// Specifying PU_ForceUpdate causes the palette to be realized now
// --- Out :
// --- Returns : successful or not
// --- Effect : Set this parameter always BEFORE you set a new Background
BOOL GetPaletteState();
// --- In :
// --- Out :
// --- Returns : whether the DIB on the MDI CLIENT is treated as
// a background or foreground image for palette selecting
// --- Effect :
BOOL SetNewBackGround(COLORREF rgbColor = GetSysColor(COLOR_APPWORKSPACE),
EWallOrg eWallOrganisation = WP_Center , COXDIB* pDib = NULL );
// --- In : rgbColor : The background color of te MDICLIENT
// eWallOrganisation : the organisation of the bitmap on the MDI CLIENT
// pDib : the Device Independant Bitmap to be painted on the MDI CLIENT
// --- Out :
// --- Returns : Succeeded or not
// --- Effect : Paints a DIB with a special organisation and back color on the
// client area of this MDI client window
virtual WNDPROC* GetSuperWndProcAddr();
// --- In :
// --- Out :
// --- Returns : The address in which to store the default WndProc for this class.
// --- Effect : Needed when we subclass a Windows object
protected:
BOOL PrepareMemDC(int nWidth, int nHeight);
// Message handlers ---------------------------------------------------------
// Generated message map functions
//{{AFX_MSG(COXMDIClient)
afx_msg BOOL OnEraseBkgnd(CDC* pDC);
afx_msg void OnSize(UINT nType, int cx, int cy);
//}}AFX_MSG
afx_msg LRESULT OnDoMDICltRealize(WPARAM wParam, LPARAM lParam); // user message
DECLARE_MESSAGE_MAP()
};
#endif
/////////////////////////////////////////////////////////////////////////////
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