ResizableState.cpp

// ResizableState.cpp: implementation of the CResizableState class.
//
//
// Copyright (C) 2000-2002 by Paolo Messina
// (http://www.geocities.com/ppescher - [email protected])
//
// 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 "ResizableState.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

// Construction/Destruction

CResizableState::CResizableState()
{

}

CResizableState::~CResizableState()
{

}


// used to save/restore window's size and position
// either in the registry or a private .INI file
// depending on your application settings

#define PLACEMENT_ENT   _T("WindowPlacement")
#define PLACEMENT_FMT   _T("%d,%d,%d,%d,%d,%d")

BOOL CResizableState::SaveWindowRect(LPCTSTR pszSection, BOOL bRectOnly)
{
        CString data;
        WINDOWPLACEMENT wp;

        ZeroMemory(&wp, sizeof(WINDOWPLACEMENT));
        wp.length = sizeof(WINDOWPLACEMENT);
        if (!GetResizableWnd()->GetWindowPlacement(&wp))
                return FALSE;
        
        RECT& rc = wp.rcNormalPosition; // alias

        if (bRectOnly)  // save size/pos only (normal state)
        {
                // use screen coordinates
                GetResizableWnd()->GetWindowRect(&rc);

                data.Format(PLACEMENT_FMT, rc.left, rc.top,
                        rc.right, rc.bottom, SW_NORMAL, 0);
        }
        else    // save also min/max state
        {
                // use workspace coordinates
                data.Format(PLACEMENT_FMT, rc.left, rc.top,
                        rc.right, rc.bottom, wp.showCmd, wp.flags);
        }

        return AfxGetApp()->WriteProfileString(pszSection, PLACEMENT_ENT, data);
}

BOOL CResizableState::LoadWindowRect(LPCTSTR pszSection, BOOL bRectOnly)
{
        CString data;
        WINDOWPLACEMENT wp;

        data = AfxGetApp()->GetProfileString(pszSection, PLACEMENT_ENT);
        
        if (data.IsEmpty())     // never saved before
                return FALSE;
        
        ZeroMemory(&wp, sizeof(WINDOWPLACEMENT));
        wp.length = sizeof(WINDOWPLACEMENT);
        if (!GetResizableWnd()->GetWindowPlacement(&wp))
                return FALSE;

        RECT& rc = wp.rcNormalPosition; // alias

        if (_stscanf(data, PLACEMENT_FMT, &rc.left, &rc.top,
                &rc.right, &rc.bottom, &wp.showCmd, &wp.flags) == 6)
        {
                if (bRectOnly)  // restore size/pos only
                {
                        CRect rect(rc);
                        return GetResizableWnd()->SetWindowPos(NULL, rect.left, rect.top,
                                rect.Width(), rect.Height(), SWP_NOACTIVATE | SWP_NOZORDER |
                                SWP_NOREPOSITION);
                }
                else    // restore also min/max state
                {
                        return GetResizableWnd()->SetWindowPlacement(&wp);
                }
        }
        return FALSE;
}

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