CSizingControlBar - A Resizable Control Bar

// MainFrm.cpp : implementation of the CMainFrame class
//

#include "stdafx.h"
#include "Demo1.h"

#include "MainFrm.h"

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

/////////////////////////////////////////////////////////////////////////////
// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	//{{AFX_MSG_MAP(CMainFrame)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	ON_WM_CREATE()
	ON_COMMAND(ID_VIEW_MYBAR, OnViewMybar)
	ON_UPDATE_COMMAND_UI(ID_VIEW_MYBAR, OnUpdateViewMybar)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

static UINT indicators[] =
{
	ID_SEPARATOR,           // status line indicator
	ID_INDICATOR_CAPS,
	ID_INDICATOR_NUM,
	ID_INDICATOR_SCRL,
};

/////////////////////////////////////////////////////////////////////////////
// CMainFrame construction/destruction

CMainFrame::CMainFrame()
{
	// TODO: add member initialization code here
	
}

CMainFrame::~CMainFrame()
{
}

int CMainFrame::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
	if (CFrameWnd::OnCreate(lpCreateStruct) == -1)
		return -1;
	
	if (!m_wndToolBar.CreateEx(this, TBSTYLE_FLAT, WS_CHILD | WS_VISIBLE | CBRS_TOP
		| CBRS_GRIPPER | CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC) ||
		!m_wndToolBar.LoadToolBar(IDR_MAINFRAME))
	{
		TRACE0("Failed to create toolbar\n");
		return -1;      // fail to create
	}

	if (!m_wndStatusBar.Create(this) ||
		!m_wndStatusBar.SetIndicators(indicators,
		  sizeof(indicators)/sizeof(UINT)))
	{
		TRACE0("Failed to create status bar\n");
		return -1;      // fail to create
	}

    if (!m_wndMyBar.Create(_T("My Bar"), this, 123))
    {
        TRACE0("Failed to create mybar\n");
        return -1;      // fail to create
	}

    m_wndMyBar.SetBarStyle(m_wndMyBar.GetBarStyle() |
        CBRS_TOOLTIPS | CBRS_FLYBY | CBRS_SIZE_DYNAMIC);

	EnableDocking(CBRS_ALIGN_ANY);

	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
    m_wndMyBar.EnableDocking(CBRS_ALIGN_ANY);

	DockControlBar(&m_wndToolBar);
    DockControlBar(&m_wndMyBar, AFX_IDW_DOCKBAR_LEFT);
	
    CString sProfile(_T("BarState"));
    if (VerifyBarState(sProfile))
    {
        m_wndMyBar.LoadState(sProfile);
        LoadBarState(sProfile);
    }

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;
	// TODO: Modify the Window class or styles here by modifying
	//  the CREATESTRUCT cs

	return TRUE;
}

/////////////////////////////////////////////////////////////////////////////
// CMainFrame diagnostics

#ifdef _DEBUG
void CMainFrame::AssertValid() const
{
	CFrameWnd::AssertValid();
}

void CMainFrame::Dump(CDumpContext& dc) const
{
	CFrameWnd::Dump(dc);
}

#endif //_DEBUG

/////////////////////////////////////////////////////////////////////////////
// CMainFrame message handlers

BOOL CMainFrame::DestroyWindow() 
{
	// TODO: Add your specialized code here and/or call the base class
    CString sProfile(_T("BarState"));
	m_wndMyBar.SaveState(sProfile);
    SaveBarState(sProfile);
	
	return CFrameWnd::DestroyWindow();
}

void CMainFrame::OnViewMybar() 
{
	// TODO: Add your command handler code here
	BOOL bShow = m_wndMyBar.IsVisible();
	ShowControlBar(&m_wndMyBar, !bShow, FALSE);
}

void CMainFrame::OnUpdateViewMybar(CCmdUI* pCmdUI) 
{
	// TODO: Add your command update UI handler code here
	pCmdUI->Enable();
	pCmdUI->SetCheck(m_wndMyBar.IsVisible());
}

// This function is Copyright (c) 2000, Cristi Posea.
// See www.datamekanix.com for more control bars tips&tricks.
BOOL CMainFrame::VerifyBarState(LPCTSTR lpszProfileName)
{
    CDockState state;
    state.LoadState(lpszProfileName);

    for (int i = 0; i < state.m_arrBarInfo.GetSize(); i++)
    {
        CControlBarInfo* pInfo = (CControlBarInfo*)state.m_arrBarInfo[i];
        ASSERT(pInfo != NULL);
        int nDockedCount = pInfo->m_arrBarID.GetSize();
        if (nDockedCount > 0)
        {
            // dockbar
            for (int j = 0; j < nDockedCount; j++)
            {
                UINT nID = (UINT) pInfo->m_arrBarID[j];
                if (nID == 0) continue; // row separator
                if (nID > 0xFFFF)
                    nID &= 0xFFFF; // placeholder - get the ID
                if (GetControlBar(nID) == NULL)
                    return FALSE;
            }
        }
        
        if (!pInfo->m_bFloating) // floating dockbars can be created later
            if (GetControlBar(pInfo->m_nBarID) == NULL)
                return FALSE; // invalid bar ID
    }

    return TRUE;
}