// ResizableMDIFrame.cpp : implementation file

//

/////////////////////////////////////////////////////////////////////////////

//

// This file is part of ResizableLib

// http://sourceforge.net/projects/resizablelib

//

// Copyright (C) 2000-2004 by Paolo Messina

// http://www.geocities.com/ppescher - mailto:ppescher@hotmail.com

//

// The contents of this file are subject to the Artistic License (the "License").

// You may not use this file except in compliance with the License. 

// You may obtain a copy of the License at:

// http://www.opensource.org/licenses/artistic-license.html

//

// If you find this code useful, credits would be nice!

//

/////////////////////////////////////////////////////////////////////////////



#include "stdafx.h"

#include "ResizableMDIFrame.h"



#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif



/////////////////////////////////////////////////////////////////////////////

// CResizableMDIFrame



IMPLEMENT_DYNCREATE(CResizableMDIFrame, CMDIFrameWnd)



CResizableMDIFrame::CResizableMDIFrame()

{

	m_bEnableSaveRestore = FALSE;

	m_bRectOnly = FALSE;

}



CResizableMDIFrame::~CResizableMDIFrame()

{

}





BEGIN_MESSAGE_MAP(CResizableMDIFrame, CMDIFrameWnd)

	//{{AFX_MSG_MAP(CResizableMDIFrame)

	ON_WM_GETMINMAXINFO()

	ON_WM_DESTROY()

	ON_WM_NCCREATE()

	ON_WM_WINDOWPOSCHANGING()

	//}}AFX_MSG_MAP

END_MESSAGE_MAP()



/////////////////////////////////////////////////////////////////////////////

// CResizableMDIFrame message handlers



void CResizableMDIFrame::OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI) 

{

	// MDI should call default implementation

	CMDIFrameWnd::OnGetMinMaxInfo(lpMMI);



	MinMaxInfo(lpMMI);



	BOOL bMaximized = FALSE;

	CMDIChildWnd* pChild = MDIGetActive(&bMaximized);

	if (pChild != NULL && bMaximized)

		ChainMinMaxInfo(lpMMI, this, pChild);

}



// NOTE: this must be called after setting the layout

//       to have the view and its controls displayed properly

BOOL CResizableMDIFrame::EnableSaveRestore(LPCTSTR pszSection, BOOL bRectOnly, BOOL bHorzResize, BOOL bVertResize)

{

	m_sSection = pszSection;



	m_bEnableSaveRestore = TRUE;

	m_bRectOnly = bRectOnly;



	// restore immediately

	return LoadWindowRect(pszSection, bRectOnly, bHorzResize, bVertResize);

}



void CResizableMDIFrame::OnDestroy() 

{

	if (m_bEnableSaveRestore)

		SaveWindowRect(m_sSection, m_bRectOnly);



	CMDIFrameWnd::OnDestroy();

}



BOOL CResizableMDIFrame::OnNcCreate(LPCREATESTRUCT lpCreateStruct) 

{

	if (!CMDIFrameWnd::OnNcCreate(lpCreateStruct))

		return FALSE;



	MakeResizable(lpCreateStruct);

	

	return TRUE;

}



LRESULT CResizableMDIFrame::WindowProc(UINT message, WPARAM wParam, LPARAM lParam) 

{

	if (message != WM_NCCALCSIZE || wParam == 0)

		return CMDIFrameWnd::WindowProc(message, wParam, lParam);



	// specifying valid rects needs controls already anchored

	LRESULT lResult = 0;

	HandleNcCalcSize(FALSE, (LPNCCALCSIZE_PARAMS)lParam, lResult);

	lResult = CMDIFrameWnd::WindowProc(message, wParam, lParam);

	HandleNcCalcSize(TRUE, (LPNCCALCSIZE_PARAMS)lParam, lResult);

	return lResult;

}



void CResizableMDIFrame::OnWindowPosChanging(WINDOWPOS FAR* lpwndpos) 

{

	CMDIFrameWnd::OnWindowPosChanging(lpwndpos);



	// since this window class doesn't have the style CS_HREDRAW|CS_VREDRAW

	// the client area is not invalidated during a resize operation and

	// this prevents the system from using WM_NCCALCSIZE to validate rects

	Invalidate();

}