source: trunk/Splash.cpp@ 11

// CG: This file was added by the Splash Screen component.
// Splash.cpp : implementation file
//

#include "stdafx.h"  // e. g. stdafx.h
#include "resource.h"  // e.g. resource.h

#include "Splash.h"  // e.g. splash.h

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

/////////////////////////////////////////////////////////////////////////////
//   Splash Screen class

BOOL CSplashWnd::c_bShowSplashWnd;
CSplashWnd* CSplashWnd::c_pSplashWnd;
CSplashWnd::CSplashWnd()
{
}

CSplashWnd::~CSplashWnd()
{
        // Clear the static window pointer.
        ASSERT(c_pSplashWnd == this);
        c_pSplashWnd = NULL;
}

BEGIN_MESSAGE_MAP(CSplashWnd, CWnd)
        //{{AFX_MSG_MAP(CSplashWnd)
        ON_WM_CREATE()
        ON_WM_PAINT()
        ON_WM_TIMER()
        //}}AFX_MSG_MAP
END_MESSAGE_MAP()

void CSplashWnd::EnableSplashScreen(BOOL bEnable /*= TRUE*/)
{
        c_bShowSplashWnd = bEnable;
}

void CSplashWnd::ShowSplashScreen(CWnd* pParentWnd /*= NULL*/)
{
        if (!c_bShowSplashWnd || c_pSplashWnd != NULL)
                return;

        // Allocate a new splash screen, and create the window.
        c_pSplashWnd = new CSplashWnd;
        if (!c_pSplashWnd->Create(pParentWnd))
                delete c_pSplashWnd;
        else
                c_pSplashWnd->UpdateWindow();
}

BOOL CSplashWnd::PreTranslateAppMessage(MSG* pMsg)
{
        if (c_pSplashWnd == NULL)
                return FALSE;

        // If we get a keyboard or mouse message, hide the splash screen.
        if (pMsg->message == WM_KEYDOWN ||
            pMsg->message == WM_SYSKEYDOWN ||
            pMsg->message == WM_LBUTTONDOWN ||
            pMsg->message == WM_RBUTTONDOWN ||
            pMsg->message == WM_MBUTTONDOWN ||
            pMsg->message == WM_NCLBUTTONDOWN ||
            pMsg->message == WM_NCRBUTTONDOWN ||
            pMsg->message == WM_NCMBUTTONDOWN)
        {
                c_pSplashWnd->HideSplashScreen();
                return TRUE;    // message handled here
        }

        return FALSE;   // message not handled
}

BOOL CSplashWnd::Create(CWnd* pParentWnd /*= NULL*/)
{
        if (!m_bitmap.LoadBitmap(IDB_SPLASH))
                return FALSE;

        BITMAP bm;
        m_bitmap.GetBitmap(&bm);

        return CreateEx(0,
                AfxRegisterWndClass(0, AfxGetApp()->LoadStandardCursor(IDC_ARROW)),
                NULL, WS_POPUP | WS_VISIBLE, 0, 0, bm.bmWidth, bm.bmHeight, pParentWnd->GetSafeHwnd(), NULL);
}

void CSplashWnd::HideSplashScreen()
{
        // Destroy the window, and update the mainframe.
        DestroyWindow();
        AfxGetMainWnd()->UpdateWindow();
}

void CSplashWnd::PostNcDestroy()
{
        // Free the C++ class.
        delete this;
}

int CSplashWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)
{
        if (CWnd::OnCreate(lpCreateStruct) == -1)
                return -1;

        // Center the window.
        CenterWindow();

        // Set a timer to destroy the splash screen.
        SetTimer(1, 3000, NULL);

        return 0;
}

void CSplashWnd::OnPaint()
{
        CPaintDC dc(this);

        CDC dcImage;
        if (!dcImage.CreateCompatibleDC(&dc))
                return;

        BITMAP bm;
        m_bitmap.GetBitmap(&bm);

        // Paint the image.
        CBitmap* pOldBitmap = dcImage.SelectObject(&m_bitmap);
        dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCCOPY);
        dcImage.SelectObject(pOldBitmap);
}

void CSplashWnd::OnTimer(UINT nIDEvent)
{
        // Destroy the splash screen window.
        HideSplashScreen();
}