// MixFigureDlg.cpp : implementation file
//本程序尝试将MATLAB的Figure窗口嵌入到VC窗口中，

//实现MATLAB窗口与VC 窗口的结合

#include "stdafx.h"
#include "MixFigure.h"
#include "MixFigureDlg.h"

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

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

//这里省略了部分通用代码..


/////////////////////////////////////////////////////////////////////////////
// CMixFigureDlg dialog

CMixFigureDlg::CMixFigureDlg(CWnd* pParent /*=NULL*/)
    : CDialog(CMixFigureDlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CMixFigureDlg)
    m_A = 1.0f;
    m_Omega = 1.0f;
    m_Theta = 0.0f;
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}

void CMixFigureDlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CMixFigureDlg)
    DDX_Text(pDX, IDC_EDIT_A, m_A);
    DDX_Text(pDX, IDC_EDIT_OMEGA, m_Omega);
    DDX_Text(pDX, IDC_EDIT_THETA, m_Theta);
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CMixFigureDlg, CDialog)
    //{{AFX_MSG_MAP(CMixFigureDlg)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    ON_WM_CLOSE()
    ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN_A, OnDeltaposSpinA)
    ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN_OMEGA, OnDeltaposSpinOmega)
    ON_NOTIFY(UDN_DELTAPOS, IDC_SPIN_THETA, OnDeltaposSpinTheta)
    ON_WM_DESTROY()
    ON_BN_CLICKED(IDC_DRAWLINE, OnDrawline)
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CMixFigureDlg message handlers

BOOL CMixFigureDlg::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
    h_a = empty();
    libmmfileInitialize(); 
    libmwsglmInitialize(); 
    mlfHGInitialize(NULL,NULL);

    return TRUE;  // return TRUE  unless you set the focus to a control
}

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

void CMixFigureDlg::OnOK() 
{
    // TODO: Add extra validation here
    
    // CDialog::OnOK();
}

void CMixFigureDlg::OnCancel() 
{
    // TODO: Add extra cleanup here
    
    // CDialog::OnCancel();
}

void CMixFigureDlg::OnClose() 
{
    // TODO: Add your message handler code here and/or call default
    
    // CDialog::OnClose();

    // 在退出程序时关闭打开的Figure窗口
    // close('all');
    Vclose(mwArray("all"));

    CDialog::OnCancel();
}

void CMixFigureDlg::OnDeltaposSpinA(NMHDR* pNMHDR, LRESULT* pResult) 
{
    NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
    // TODO: Add your control notification handler code here
    m_A += -pNMUpDown->iDelta;
    UpdateData(FALSE);
    // 绘制曲线
    DrawLine();

    *pResult = 0;
}

void CMixFigureDlg::OnDeltaposSpinOmega(NMHDR* pNMHDR, LRESULT* pResult) 
{
    NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
    // TODO: Add your control notification handler code here
    m_Omega += -pNMUpDown->iDelta;
    UpdateData(FALSE);
    // 绘制曲线
    DrawLine();

    *pResult = 0;
}

void CMixFigureDlg::OnDeltaposSpinTheta(NMHDR* pNMHDR, LRESULT* pResult) 
{
    NM_UPDOWN* pNMUpDown = (NM_UPDOWN*)pNMHDR;
    // TODO: Add your control notification handler code here
    m_Theta += -pNMUpDown->iDelta;
    UpdateData(FALSE);
    // 绘制曲线
    DrawLine();

    *pResult = 0;
}

void CMixFigureDlg::OnDestroy() 
{
    CDialog::OnDestroy();
    
    // TODO: Add your message handler code here
    mlfHGTerminate(); 
    libmwsglmTerminate(); 
    libmmfileTerminate(); 
}

void CMixFigureDlg::OnDrawline() 
{
    // Author   : SCIE
    // TODO: Add your control notification handler code here
    int bWait = 0;
    // 若还没有创建坐标系则创建坐标系
    if(tobool(isempty(h_a)))
    {
        char FigName[] = "_Figure_";
        double BKColor[] = {1,1,1};
        char strVisible[] = "Off";

        mwArray mwFigName(FigName);
        mwArray mwBKColor(1,3,BKColor);
        mwArray mwVisible(strVisible);
        
        h_a = GenAxis(mwFigName,mwBKColor,mwVisible);

        // 查找Figure窗口
        HWND hFig = ::FindWindow(NULL,FigName);
        if(hFig == NULL)
        {
            AfxMessageBox("未能产生Figure窗口，图形绘制失败！");
            return;
        }

        // 去掉Figure窗口的标题栏和边框
        long lStyle = ::GetWindowLong(hFig,GWL_STYLE);
        ::SetWindowLong(hFig,GWL_STYLE,lStyle & (~WS_CAPTION) & (~WS_THICKFRAME));
        ::SetWindowPos(hFig,NULL,0,0,0,0,SWP_NOMOVE | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE | SWP_FRAMECHANGED);

        // 获取绘图区域的位置和大小
        RECT PlotRec;
        CWnd *PlotArea = GetDlgItem(IDC_PLOTAREA);
        PlotArea->GetWindowRect(&PlotRec);
        long Width = PlotRec.right - PlotRec.left;
        long Height = PlotRec.bottom - PlotRec.top;

        // 设置Figure窗口为绘图区域窗口的子窗口并调整其位置
        ::SetParent(hFig,PlotArea->GetSafeHwnd());
        ::SetWindowPos(hFig,NULL,1,1,Width-3,Height-3,SWP_NOZORDER | SWP_NOACTIVATE);

        // 绘制曲线
        DrawLine();

        // 设置窗口可见
        SetVisible(h_a,mwArray("On"));

        // 进入窗口等待状态
        bWait = 1;
        mlfHGWaitForFiguresToDie(); 
    }

    // 绘制曲线
    if(bWait == 0)  DrawLine();
}

void CMixFigureDlg::DrawLine()
{
    UpdateData(TRUE);
    if(tobool(isempty(h_a)))
        OnDrawline();
    else
        PlotSin(h_a,mwArray(m_A),mwArray(m_Omega),mwArray(m_Theta));
}

mwArray CMixFigureDlg::GenAxis(mwArray strFigName, mwArray BKColor, mwArray strVisible)
{
    // h_f = figure("DoubleBuffer","NumberTitle","Off","Name",strFigName, ...
    //              "Menubar","None","Color",BKColor,"Visible",strVisible);
    mwArray h_f = figure(
            mwArray("DoubleBuffer"), mwArray("On"),
            mwArray("NumberTitle"),  mwArray("Off"),
            mwArray("Name"),         strFigName,
            mwArray("Menubar"),      mwArray("None"),
            mwArray("Color"),        BKColor,
            mwArray("Visible"),      strVisible);
    
    // h_a = axes("Parent",h_f,"Box","On");
    mwArray h_a = axes(mwArray("Parent"), h_f, mwArray("Box"), mwArray("On"));
    return h_a;
}

void CMixFigureDlg::PlotSin(mwArray h_a, mwArray A, mwArray Omega, mwArray Theta)
{
    double pi = 3.141592653589793;

    // t = -pi : 0.01 : pi;
    mwArray t = colon(mwArray(-pi), mwArray(0.01), mwArray(pi));

    // y = A * sin(Omega * t + Theta);
    mwArray y = A * sin(Omega * t + Theta);

    // plot(t,y,"Parent",h_a);
    Vplot(t, y, mwArray("Parent"), h_a);
}

void CMixFigureDlg::SetVisible(mwArray h_a, mwArray strVisible)
{
    // h_f = get(h_a,"Parent");
    mwArray h_f = get(h_a, mwArray("Parent"));

    // set(h_f,"Visible",strVisible);
    Vset(h_f, mwArray("Visible"), strVisible);
}

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