SVDI: a "Single View, Multiple Documents" MFC Architecture

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

#include "stdafx.h"
#include "SVDI.h"

#include "MainFrm.h"

#ifdef _DEBUG
#define new DEBUG_NEW
#endif


// CMainFrame

IMPLEMENT_DYNCREATE(CMainFrame, CFrameWnd)

BEGIN_MESSAGE_MAP(CMainFrame, CFrameWnd)
	ON_WM_CREATE()
	ON_WM_CLOSE()
	// View creation
	ON_REGISTERED_MESSAGE(_afxMsgCreateView, OnCreateView)
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
	}
	// TODO: Delete these three lines if you don't want the toolbar to be dockable
	m_wndToolBar.EnableDocking(CBRS_ALIGN_ANY);
	EnableDocking(CBRS_ALIGN_ANY);
	DockControlBar(&m_wndToolBar);

	return 0;
}

BOOL CMainFrame::PreCreateWindow(CREATESTRUCT& cs)
{
	if( !CFrameWnd::PreCreateWindow(cs) )
		return FALSE;

	cs.lpszClass = AfxRegisterWndClass(0, 0,
		(HBRUSH)(COLOR_APPWORKSPACE + 1),	// drak gray background
		AfxGetApp()->LoadIcon(IDR_MAINFRAME));

	// TODO: Uncomment the following line if you want to have document
	// name at the end of frame title
	// (see CFrameWnd::UpdateFrameTitleForDocument, atlmfc\src\mfc\winfrm.cpp)
	// cs.style &= ~FWS_PREFIXTITLE;

	// 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

void CMainFrame::OnClose()
{
	// Close print preview if present (otherwise crashes)
	if (NULL != m_lpfnCloseProc)
		(*m_lpfnCloseProc)(this);

	// Closing all documents; view is destroyed when last document
	// is closed
	CWinApp* pApp = AfxGetApp();
	ASSERT(pApp != NULL);
	if (!pApp->SaveAllModified())
		return;

	pApp->CloseAllDocuments(FALSE);

	// Call default processing
	CFrameWnd::OnClose();
}

LRESULT CMainFrame::OnCreateView(WPARAM wParam, LPARAM)
{
	CCreateContext* pContext = (CCreateContext*)wParam;
	ASSERT(pContext != NULL);

	// View creation
	return CreateView(pContext, AFX_IDW_PANE_FIRST) != NULL;
}