resizedialog.cpp

自已做的简单的库存管理软件。包含员工信息管理等

// ResizeDialog.cpp : implementation file
//

#include "stdafx.h"
#include "ResizeDialog.h"


#ifdef _DEBUG

#define new DEBUG_NEW

#undef THIS_FILE

static char THIS_FILE[] = __FILE__;

#endif



//  表示可改变大小的图标ID

#ifndef OBM_SIZE

#define OBM_SIZE 32766

#endif




// CResizeDialog dialog

IMPLEMENT_DYNAMIC(CResizeDialog, CDialog)

CResizeDialog::CResizeDialog(CWnd* pParent /*=NULL*/)
	: CDialog(CResizeDialog::IDD, pParent)
	, m_iClientWidth(0)
    , m_iClientHeight(0)
    , m_iMinWidth(0)
    , m_iMinHeight(0)
    , m_pControlArray(NULL)
    , m_iControlNumber(0)
    , m_bShowSizeIcon(TRUE)

{
	//{{AFX_DATA_INIT(CResizeDialog)

        // NOTE: the ClassWizard will add member initialization here

    //}}AFX_DATA_INIT

}

CResizeDialog::~CResizeDialog()
{
}

void CResizeDialog::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
}


BEGIN_MESSAGE_MAP(CResizeDialog, CDialog)
	    //{{AFX_MSG_MAP(CResizeDialog)
    ON_WM_SIZE()
    ON_WM_SIZING()
    //}}AFX_MSG_MAP
//    ON_WM_SIZE()
 //   

END_MESSAGE_MAP()


// CResizeDialog message handlers



void CResizeDialog::OnSize(UINT nType, int cx, int cy) 
{
	CDialog::OnSize(nType, cx, cy);
	

    // TODO: Add your message handler code here
    //  对话框宽度和高度的增量 
	int iIncrementX = cx - m_iClientWidth;
    int iIncrementY = cy - m_iClientHeight;

    //  最小化时增量为0
    if (nType == SIZE_MINIMIZED)
	{
        iIncrementX = iIncrementY = 0;
    }

    for (int i = 0; i < m_iControlNumber; i  )
	{
		CWnd *pWndCtrl = NULL;
		
		int iId = m_pControlArray[i].iId;
        int iFlag = m_pControlArray[i].iFlag;
        int iPercent = m_pControlArray[i].iPercent;
		
		//  无效值
		if ((iPercent < 0) || (iPercent > 100))
			continue;
		
		//  得到控件指针
		pWndCtrl = GetDlgItem(iId);
		
		if ((NULL != pWndCtrl) && IsWindow(pWndCtrl->GetSafeHwnd()))
        {
			CRect rectCtrl;
            pWndCtrl->GetWindowRect(rectCtrl);
			
			ScreenToClient(rectCtrl);
			
			int iLeft = rectCtrl.left;
            int iTop = rectCtrl.top;
            int iWidth = rectCtrl.Width();
            int iHeight = rectCtrl.Height();

            switch (iFlag)
			{
			case MOVEX:  //  X方向移动
				iLeft  = (iIncrementX * iPercent / 100);
                break;

            case MOVEY:  //  Y方向移动
                iTop  = (iIncrementY * iPercent / 100);
                break;

            case MOVEXY:  //  X方向和Y方向同时移动
                iLeft  = (iIncrementX * iPercent / 100);
                iTop  = (iIncrementY * iPercent / 100);
                break;

            case ELASTICX:  //  X方向改变大小
                iWidth  = (iIncrementX * iPercent / 100);
                break;

            case ELASTICY:  //  Y方向改变大小
                iHeight  = (iIncrementY * iPercent / 100);
                break;

            case ELASTICXY:  //  X方向和Y方向同时改变大小
                iWidth  = (iIncrementX * iPercent / 100);
                iHeight  = (iIncrementY * iPercent / 100);
                break;

            default:
                break;

            }

            //  把控件移动到新位置
            pWndCtrl->MoveWindow(iLeft, iTop, iWidth, iHeight);
		}
		
	}

    //  把图标移动到对话框右下角
    if (IsWindow(m_wndSizeIcon.GetSafeHwnd()))
    {
        m_wndSizeIcon.MoveWindow(cx - m_bitmap.bmWidth, cy - m_bitmap.bmHeight, m_bitmap.bmWidth, m_bitmap.bmHeight);

        if (nType == SIZE_MAXIMIZED)
             m_wndSizeIcon.ShowWindow(FALSE);
        else
            m_wndSizeIcon.ShowWindow(TRUE);
	}
	
	Invalidate();
	
	//  记录对话框client区域的大小
    if (nType != SIZE_MINIMIZED)
    {
		m_iClientWidth = cx;
        m_iClientHeight = cy;
    }
	
}



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

    // TODO: Add extra initialization here
    //  设置对话框为可变大小的
	ModifyStyle(0, WS_SIZEBOX);


    //  以对话框的初始大小作为对话框的宽度和高度的最小值
    CRect rectDlg;
    GetWindowRect(rectDlg);
    m_iMinWidth = rectDlg.Width();
    m_iMinHeight = rectDlg.Height();

    //  得到对话框client区域的大小
    CRect rectClient;
    GetClientRect(rectClient);
    m_iClientWidth = rectClient.Width();
    m_iClientHeight = rectClient.Height();


    //  Load图标
    m_bmpSizeIcon.LoadOEMBitmap(OBM_SIZE);
    m_bmpSizeIcon.GetBitmap(&m_bitmap);


    //  创建显示图标的静态控件并放在对话框右下角
    m_wndSizeIcon.Create(NULL, WS_CHILD | WS_VISIBLE | SS_BITMAP, CRect(0, 0, m_bitmap.bmWidth, m_bitmap.bmHeight), this, 0);
    m_wndSizeIcon.SetBitmap(m_bmpSizeIcon);
    m_wndSizeIcon.MoveWindow(m_iClientWidth - m_bitmap.bmWidth, m_iClientHeight - m_bitmap.bmHeight, m_bitmap.bmWidth, m_bitmap.bmHeight);


    //  显示图标
    m_wndSizeIcon.ShowWindow(m_bShowSizeIcon);
    return TRUE;  // return TRUE unless you set the focus to a control

                  // EXCEPTION: OCX Property Pages should return FALSE

}



void CResizeDialog::OnSizing(UINT nSide, LPRECT lpRect)
{
    CDialog::OnSizing(nSide, lpRect);

    //  对话框不能小于初始大小
    int iWidth = lpRect->right - lpRect->left;
    int iHeight = lpRect->bottom - lpRect->top;

    if (iWidth <= m_iMinWidth)
        lpRect->right = lpRect->left - m_iMinWidth;  
    if(iHeight <= m_iMinHeight)
        lpRect->bottom = lpRect->top - m_iMinHeight;

}



BOOL CResizeDialog::SetControlProperty(PDLGCTLINFO lp, int nElements)
{

    //  设置控件数组信息
    if (NULL == lp)
        return FALSE;

    if (nElements <= 0)
        return FALSE;

    m_pControlArray = lp;
    m_iControlNumber = nElements;

    return TRUE;

}


void CResizeDialog::ShowSizeIcon(BOOL bShow /*=TRUE*/)
{
    m_bShowSizeIcon = bShow;

}