Multi-dialog management through client area sharing

// ManagedWorkSpaceDlg.cpp : implementation file
//

#include "stdafx.h"
#include "ManagedWorkSpace.h"
#include "ManagedWorkSpaceDlg.h"

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

/////////////////////////////////////////////////////////////////////////////
// CAboutDlg dialog used for App About

class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CManagedWorkSpaceDlg dialog

CManagedWorkSpaceDlg::CManagedWorkSpaceDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CManagedWorkSpaceDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CManagedWorkSpaceDlg)
		// NOTE: the ClassWizard will add member initialization here
	//}}AFX_DATA_INIT
	// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
	m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CManagedWorkSpaceDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CManagedWorkSpaceDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CManagedWorkSpaceDlg, CDialog)
	//{{AFX_MSG_MAP(CManagedWorkSpaceDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_MOUSEWHEEL()
	ON_BN_CLICKED(IDC_BUTTON_FIND, OnButtonFind)
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CManagedWorkSpaceDlg message handlers

BOOL CManagedWorkSpaceDlg::OnInitDialog()
{
	CDialog::OnInitDialog();

	// Add "About..." menu item to system menu.

	// IDM_ABOUTBOX must be in the system command range.
	ASSERT((IDM_ABOUTBOX & 0xFFF0) == IDM_ABOUTBOX);
	ASSERT(IDM_ABOUTBOX < 0xF000);

	CMenu* pSysMenu = GetSystemMenu(FALSE);
	if (pSysMenu != NULL)
	{
		CString strAboutMenu;
		strAboutMenu.LoadString(IDS_ABOUTBOX);
		if (!strAboutMenu.IsEmpty())
		{
			pSysMenu->AppendMenu(MF_SEPARATOR);
			pSysMenu->AppendMenu(MF_STRING, IDM_ABOUTBOX, strAboutMenu);
		}
	}

	// Set the icon for this dialog.  The framework does this automatically
	//  when the application's main window is not a dialog
	SetIcon(m_hIcon, TRUE);			// Set big icon
	SetIcon(m_hIcon, FALSE);		// Set small icon
	
	// TODO: Add extra initialization here
	CRect			rcArea, rcLastDlg;
	CPoint			ptAt;
	CSubWork2		*pDlg2;
	CSubWork3		*pDlg3;

	GetClientRect(&rcArea);
	rcArea.left += 4;
	rcArea.right -= 56;
	rcArea.top += 4;
	rcArea.bottom -= 4;
	m_MM.Create(this, rcArea);
	ptAt = CPoint(4, 4);
	rcLastDlg = m_MM.AddManagedDialog(new CSubWork1(), "Airline BeeBee", IDD_DIALOG_SUBSPACE_1, ptAt);
	ptAt.x = rcLastDlg.right + 4;
	ptAt.y = rcLastDlg.top;
	pDlg2 = new CSubWork2();
	pDlg2->m_nDistrict = 3;
	rcLastDlg = m_MM.AddManagedDialog(pDlg2, "Cars 3rd District", IDD_DIALOG_SUBSPACE_2, ptAt);
	ptAt.x = rcLastDlg.right + 4;
	ptAt.y = rcLastDlg.top;
	pDlg3 = new CSubWork3();
	pDlg3->m_nDwg = 3;
	rcLastDlg = m_MM.AddManagedDialog(pDlg3, "Myself", IDD_DIALOG_SUBSPACE_3, ptAt);
	ptAt.x = 4;
	ptAt.y = rcLastDlg.bottom + 4;
	pDlg3 = new CSubWork3();
	pDlg3->m_nDwg = 2;
	rcLastDlg = m_MM.AddManagedDialog(pDlg3, "R&D 1st Floor", IDD_DIALOG_SUBSPACE_3, ptAt);
	ptAt.x = rcLastDlg.right + 4;
	ptAt.y = rcLastDlg.top;
	pDlg2 = new CSubWork2();
	pDlg2->m_nDistrict = 5;
	rcLastDlg = m_MM.AddManagedDialog(pDlg2, "Cars 5th District", IDD_DIALOG_SUBSPACE_2, ptAt);
	ptAt.x = rcLastDlg.right + 4;
	ptAt.y = rcLastDlg.top;
	pDlg2 = new CSubWork2();
	pDlg2->m_nDistrict = 6;
	rcLastDlg = m_MM.AddManagedDialog(pDlg2, "Cars 6th District", IDD_DIALOG_SUBSPACE_2, ptAt);
	ptAt.x = 4;
	ptAt.y = rcLastDlg.bottom + 4;
	pDlg3 = new CSubWork3();
	pDlg3->m_nDwg = 1;
	rcLastDlg = m_MM.AddManagedDialog(pDlg3, "R&D 2nd Floor", IDD_DIALOG_SUBSPACE_3, ptAt);
	ptAt.x = rcLastDlg.right + 4;
	ptAt.y = rcLastDlg.top;
	pDlg2 = new CSubWork2();
	pDlg2->m_nDistrict = 7;
	rcLastDlg = m_MM.AddManagedDialog(pDlg2, "Cars 7th District", IDD_DIALOG_SUBSPACE_2, ptAt);
	ptAt.x = rcLastDlg.right + 4;
	ptAt.y = rcLastDlg.top;
	pDlg2 = new CSubWork2();
	pDlg2->m_nDistrict = 8;
	rcLastDlg = m_MM.AddManagedDialog(pDlg2, "Cars 8th District", IDD_DIALOG_SUBSPACE_2, ptAt);
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CManagedWorkSpaceDlg::OnSysCommand(UINT nID, LPARAM lParam)
{
	if ((nID & 0xFFF0) == IDM_ABOUTBOX)
	{
		CAboutDlg dlgAbout;
		dlgAbout.DoModal();
	}
	else
	{
		CDialog::OnSysCommand(nID, lParam);
	}
}

// If you add a minimize button to your dialog, you will need the code below
//  to draw the icon.  For MFC applications using the document/view model,
//  this is automatically done for you by the framework.

void CManagedWorkSpaceDlg::OnPaint() 
{
	if (IsIconic())
	{
		CPaintDC dc(this); // device context for painting

		SendMessage(WM_ICONERASEBKGND, (WPARAM) dc.GetSafeHdc(), 0);

		// Center icon in client rectangle
		int cxIcon = GetSystemMetrics(SM_CXICON);
		int cyIcon = GetSystemMetrics(SM_CYICON);
		CRect rect;
		GetClientRect(&rect);
		int x = (rect.Width() - cxIcon + 1) / 2;
		int y = (rect.Height() - cyIcon + 1) / 2;

		// Draw the icon
		dc.DrawIcon(x, y, m_hIcon);
	}
	else
	{
		CDialog::OnPaint();
	}
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CManagedWorkSpaceDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CManagedWorkSpaceDlg::PostNcDestroy() 
{
	// TODO: Add your specialized code here and/or call the base class
	m_MM.Destroy();
	
	CDialog::PostNcDestroy();
}

BOOL CManagedWorkSpaceDlg::OnMouseWheel(UINT nFlags, short zDelta, CPoint pt) 
{
	// TODO: Add your message handler code here and/or call default
	if ( nFlags == MK_CONTROL) m_MM.ScrollManagedArea(zDelta / 5, 0);
	else  m_MM.ScrollManagedArea(0, zDelta / 5);
	
	return CDialog::OnMouseWheel(nFlags, zDelta, pt);
}

void CManagedWorkSpaceDlg::OnButtonFind() 
{
	// TODO: Add your control notification handler code here
	m_MM.SelectBringDialogInView();
}