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Freesoft 1997 March
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Freesoft_1997-03_cd.bin
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recenz
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926
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EXMFC.ARJ
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EXAMPLES.MFC
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EX04DLG.CPP
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C/C++ Source or Header
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1996-04-19
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8KB
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296 lines
//
// EX04DLG.CPP - Component of MFC Example Program 04
//
// C++/DOS Example program for ArchiveLib 2.0
//
// Copyright (c) Greenleaf Software, Inc. 1996
// All Rights Reserved
//
// MEMBERS/FUNCTIONS DEMONSTRATED
//
// ALCreate()
//
// DESCRIPTION
//
// This example program demonstrates the simplified interface function
// ALCreate(). It lets you select a list of files from an input list
// box, then inserts them into MFC00.ZIP on command. It also demonstrates
// the use of the callback function for monitoring.
//
// REVISION HISTORY
//
// March 18, 1996 2.01A : First release
//
// ex04dlg.cpp : implementation file
//
#include "ex04std.h"
#include "ex04mfc.h"
#include "ex04dlg.h"
#include "stdio.h"
#include "alsimple.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)
virtual BOOL OnInitDialog();
//}}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)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEx04mfcDlg dialog
CEx04mfcDlg::CEx04mfcDlg(CWnd* pParent /*=NULL*/)
: CDialog(CEx04mfcDlg::IDD, pParent)
{
//{{AFX_DATA_INIT(CEx04mfcDlg)
//}}AFX_DATA_INIT
// Note that LoadIcon does not require a subsequent DestroyIcon in Win32
m_hIcon = AfxGetApp()->LoadIcon(IDR_MAINFRAME);
}
void CEx04mfcDlg::DoDataExchange(CDataExchange* pDX)
{
CDialog::DoDataExchange(pDX);
//{{AFX_DATA_MAP(CEx04mfcDlg)
//}}AFX_DATA_MAP
}
BEGIN_MESSAGE_MAP(CEx04mfcDlg, CDialog)
//{{AFX_MSG_MAP(CEx04mfcDlg)
ON_WM_SYSCOMMAND()
ON_WM_PAINT()
ON_WM_QUERYDRAGICON()
ON_BN_CLICKED(IDC_EXIT, OnExit)
ON_BN_CLICKED(IDC_ABOUT, OnAbout)
ON_BN_CLICKED(IDC_COMPRESS, OnCompress)
//}}AFX_MSG_MAP
END_MESSAGE_MAP()
/////////////////////////////////////////////////////////////////////////////
// CEx04mfcDlg message handlers
BOOL CEx04mfcDlg::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
//
// These members are all used in the callback monitoring
// function. I initialize them here so that they will
// be available when I need them. I also fill the list box
// with the file names from the current directory.
//
m_FileName = GetDlgItem( IDC_FILE );
m_FileProgress = GetDlgItem( IDC_PROGRESS2 );
m_JobProgress = GetDlgItem( IDC_PROGRESS1 );
m_ListBox = (CListBox *) GetDlgItem( IDC_LIST1 );
m_ListBox->Dir( 0, "*.*" );
return TRUE; // return TRUE unless you set the focus to a control
}
void CEx04mfcDlg::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 CEx04mfcDlg::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 CEx04mfcDlg::OnQueryDragIcon()
{
return (HCURSOR) m_hIcon;
}
void CEx04mfcDlg::OnExit()
{
// TODO: Add your control notification handler code here
PostMessage( WM_QUIT, 0, 0 );
}
BOOL CEx04mfcDlg::DestroyWindow()
{
// TODO: Add your specialized code here and/or call the base class
return CDialog::DestroyWindow();
}
void CEx04mfcDlg::OnAbout()
{
// TODO: Add your control notification handler code here
CAboutDlg dlgAbout;
dlgAbout.DoModal();
}
BOOL CAboutDlg::OnInitDialog()
{
CDialog::OnInitDialog();
// TODO: Add extra initialization here
return TRUE; // return TRUE unless you set the focus to a control
// EXCEPTION: OCX Property Pages should return FALSE
}
//
// The callback function under the simplified
// interface isn't a class member. So, in order
// to find the information I need to update the
// user interface, I have to determine what the
// current window object is. To do that, I have
// to track down the main window of this app by
// looking at the member of theApp that holds it.
// Once I have that, updating the user interface
// elements is a breeze.
//
extern CEx04mfcApp theApp;
void AL_EXPORT AL_DLL_FAR my_callback( const char AL_DLL_FAR *name,
int object_ratio,
int job_ratio )
{
CEx04mfcDlg *w = (CEx04mfcDlg *) theApp.m_pMainWnd;
if ( name ) {
w->m_FileName->SetWindowText( name );
//
// This tricky bit turns off the selection status of
// a file when it is opened.
//
int i = w->m_ListBox->FindString( -1, name );
if ( i >= 0 ) {
w->m_ListBox->SetSel( i, 0 );
}
}
if ( object_ratio > 0 )
w->m_FileProgress->SendMessage( PBM_SETPOS, object_ratio, object_ratio );
if ( job_ratio > 0 )
w->m_JobProgress->SendMessage( PBM_SETPOS, job_ratio, job_ratio );
}
//
// When the compress button is pressed, I do a couple of things.
// First, I disable the compress button for the duration of the
// app. Second, I build a long string containing all of the file
// names, and I separate them by commas. Given that, the call
// to ALCreate() is a breeze.
//
void CEx04mfcDlg::OnCompress()
{
// TODO: Add your control notification handler code here
CString s = "";
for ( int i = 0 ; i < m_ListBox->GetCount() ; i++ ) {
if ( m_ListBox->GetSel( i ) > 0 ) {
CString s1;
if ( s != "" )
s += ",";
m_ListBox->GetText( i, s1 );
s += s1;
}
}
CButton *b = (CButton *) GetDlgItem( IDC_COMPRESS );
b->EnableWindow( 0 );
ALCreate( "mfc00.zip", s, 0, my_callback );
b->EnableWindow( 1 );
}