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EasySize - Dialog resizing in no time!

, 23 Mar 2007
An easy way to position controls in resizable dialogs or property pages using just a few macros
easysize_demo.zip
EasySizeDemo.clw
EasySizeDemo.dsw
res
EasySizeDemo.ico
EasySizeDemo.dsp
Debug
easysize_src.zip
// EasySizeDemoDlg.cpp : implementation file
//

#include "stdafx.h"
#include "EasySizeDemo.h"
#include "EasySizeDemoDlg.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()

/////////////////////////////////////////////////////////////////////////////
// CEasySizeDemoDlg dialog

CEasySizeDemoDlg::CEasySizeDemoDlg(CWnd* pParent /*=NULL*/)
	: CDialog(CEasySizeDemoDlg::IDD, pParent)
{
	//{{AFX_DATA_INIT(CEasySizeDemoDlg)
		// 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 CEasySizeDemoDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CEasySizeDemoDlg)
		// NOTE: the ClassWizard will add DDX and DDV calls here
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CEasySizeDemoDlg, CDialog)
	//{{AFX_MSG_MAP(CEasySizeDemoDlg)
	ON_WM_SYSCOMMAND()
	ON_WM_PAINT()
	ON_WM_QUERYDRAGICON()
	ON_WM_SIZE()
	ON_WM_SIZING()
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

BEGIN_EASYSIZE_MAP(CEasySizeDemoDlg)
	EASYSIZE(IDC_TITLE,ES_BORDER,ES_BORDER,ES_BORDER,ES_KEEPSIZE,ES_HCENTER)
	EASYSIZE(IDC_RADIO1,ES_BORDER,ES_BORDER,ES_KEEPSIZE,ES_KEEPSIZE,0)
	EASYSIZE(IDC_RADIO2,ES_BORDER,ES_BORDER,ES_KEEPSIZE,ES_KEEPSIZE,0)
	EASYSIZE(IDC_STATUSFRAME,ES_BORDER,ES_KEEPSIZE,ES_BORDER,ES_BORDER,0)
	EASYSIZE(IDC_STATUS,ES_BORDER,ES_KEEPSIZE,ES_BORDER,ES_BORDER,0)
	EASYSIZE(IDOK,ES_KEEPSIZE,ES_KEEPSIZE,ES_BORDER,ES_BORDER,0)
	EASYSIZE(IDCANCEL,ES_KEEPSIZE,ES_KEEPSIZE,ES_BORDER,ES_BORDER,0)
	EASYSIZE(IDC_MYICON2,ES_BORDER,ES_BORDER,IDC_TITLE,ES_KEEPSIZE,ES_HCENTER)
	EASYSIZE(IDC_CONTENT,IDC_TITLE,ES_BORDER,ES_BORDER,ES_BORDER,0)
	EASYSIZE(IDC_MIDFRAME,ES_BORDER,ES_BORDER,IDC_CONTENT,ES_BORDER,0)
	EASYSIZE(IDC_MIDRECT,ES_BORDER,ES_BORDER,IDC_CONTENT,ES_BORDER,0)
	EASYSIZE(IDC_MYICON1,IDC_MIDRECT,IDC_MIDRECT,IDC_MIDRECT,IDC_MIDRECT,ES_HCENTER|ES_VCENTER)
END_EASYSIZE_MAP

/////////////////////////////////////////////////////////////////////////////
// CEasySizeDemoDlg message handlers

BOOL CEasySizeDemoDlg::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
	
	INIT_EASYSIZE;
	
	return TRUE;  // return TRUE  unless you set the focus to a control
}

void CEasySizeDemoDlg::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 CEasySizeDemoDlg::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 CEasySizeDemoDlg::OnQueryDragIcon()
{
	return (HCURSOR) m_hIcon;
}

void CEasySizeDemoDlg::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	UPDATE_EASYSIZE;
}

void CEasySizeDemoDlg::OnSizing(UINT fwSide, LPRECT pRect) 
{
	CDialog::OnSizing(fwSide, pRect);
	EASYSIZE_MINSIZE(280,250,fwSide,pRect);
}

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About the Author

Marc Richarme
Engineer Nokia
Denmark Denmark
My programming experience started a long time ago in
QBasic (on a 25MHz 486).
I'm now mainly using Java, C++, C, MFC, Perl and PHP, but have used quite a number of other languages as well for various projects.

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