Netscape Plug-Ins Developer's Kit/Netscape_Plug-Ins_Developers_Kit.iso/source/Chap04/npChap04Dlg.cpp

C/C++ Source or Header | 1996-09-10 | 5.3 KB | 236 lines

// npChap04Dlg.cpp : implementation file
//

#include "stdafx.h"
#include "npChap04.h"
#include "npChap04Dlg.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()

/////////////////////////////////////////////////////////////////////////////
// CNpChap04Dlg dialog

CNpChap04Dlg::CNpChap04Dlg(CWnd* pParent /*=NULL*/)
    : CDialog(CNpChap04Dlg::IDD, pParent)
{
    //{{AFX_DATA_INIT(CNpChap04Dlg)
        // NOTE: the ClassWizard will add member initialization here
    //}}AFX_DATA_INIT
    // Note that LoadIcon does not require a subsequent DestroyIcon in Win32
#ifdef _PLUG_IN
    m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
#endif
}

void CNpChap04Dlg::PrepareDialog()
{
    CRect rectTmp(10,10,80,50);

    cbExample = new CButton();
    cbExample->Create("OK",BS_PUSHBUTTON | WS_VISIBLE,
            rectTmp,this,IDOK);

    rectTmp.SetRect(100,10,180,50);
    cbCancel = new CButton;
    cbCancel->Create("Cancel",BS_PUSHBUTTON | WS_VISIBLE,
            rectTmp,this,IDCANCEL);
}

void CNpChap04Dlg::EatDialog()
{
    ASSERT(cbExample != NULL);
    delete cbExample;
    ASSERT(cbExample != NULL);
    delete cbCancel;
}

void CNpChap04Dlg::UnSubclassWindow()
{
    // restore original Netscape WNDPROC
    WNDPROC* lplpfn = GetSuperWndProcAddr();
    if ( !*lplpfn )
    {
        ASSERT(0);
        return;
    }

    // Set the original window procedure using Windows AFI function
    (WNDPROC)::SetWindowLong(m_hWnd, GWL_WNDPROC, (LONG) *lplpfn );
}

void CNpChap04Dlg::DoDataExchange(CDataExchange* pDX)
{
    CDialog::DoDataExchange(pDX);
    //{{AFX_DATA_MAP(CNpChap04Dlg)
        // NOTE: the ClassWizard will add DDX and DDV calls here
    //}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CNpChap04Dlg, CDialog)
    //{{AFX_MSG_MAP(CNpChap04Dlg)
    ON_WM_SYSCOMMAND()
    ON_WM_PAINT()
    ON_WM_QUERYDRAGICON()
    //}}AFX_MSG_MAP
END_MESSAGE_MAP()

/////////////////////////////////////////////////////////////////////////////
// CNpChap04Dlg message handlers

BOOL CNpChap04Dlg::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);
    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

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

void CNpChap04Dlg::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 CNpChap04Dlg::OnPaint()
{
#ifdef _PLUG_IN
    Cstring s = "Hello, world!";

    Crect rect;
    CPaintDC dcTmp(This);
    GetClientRect(rect);

    dcTmp.SetTextAlign(TA_BASELINE | TA_CENTER);
    dcTmp.SetTextColor(::GetSysColor(COLOR_WINDOWTEXT));
    dcTmp.SetBkMode(TRANSPARENT);
    dcTmp.TextOut((rect.right / 2), (rect.bottom / 2), s);
#else
    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
    {
#endif
        CDialog::OnPaint();
#ifndef _PLUG_IN
    }
#endif
}

// The system calls this to obtain the cursor to display while the user drags
//  the minimized window.
HCURSOR CNpChap04Dlg::OnQueryDragIcon()
{
    return (HCURSOR) m_hIcon;
}

void CNpChap04Dlg::OnCancel()
{
    // TODO: Add extra cleanup here

    CDialog::OnCancel();
}

void CNpChap04Dlg::OnOK()
{
    // TODO: Add extra validation here

    CDialog::OnOK();
}