Splash.cpp

// 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()


// the default string here was just centred by eye, if it gets changed it'll need adjusting to fit the box centre...
//
#define SPLASH_DEFAULT_TEXT "                                                              ( Wait... )"

bool gbSplashScreenRunning = false;
bool gbSplashNotNeededByApp = false;
bool gbSplashScreenNotNeededByTimer = false;
CString strSplashText = SPLASH_DEFAULT_TEXT;
void CSplashWnd::StatusMessage(LPCSTR psMessage)	// can be NULL for "not bothered"
{
	strSplashText = psMessage ? psMessage : SPLASH_DEFAULT_TEXT;
	strSplashText.TrimRight();	// remove trailing CRs which show up as black marks
	c_pSplashWnd->RedrawWindow();
}

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(false);
		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(bool bCalledFromApp)
{
	if (bCalledFromApp)
	{
		gbSplashNotNeededByApp = true;
		return;
	}

	if (gbSplashNotNeededByApp && gbSplashScreenNotNeededByTimer)
	{
		// Destroy the window, and update the mainframe.
		c_pSplashWnd->DestroyWindow();
		AfxGetMainWnd()->UpdateWindow();
	}
}

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

	gbSplashScreenRunning = false;
}

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, 1000, NULL);

	gbSplashScreenRunning = true;
	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);

	dc.TextOut(58/*bm.bmWidth/2*/,180/*bm.bmHeight/2*/, strSplashText);
}

void CSplashWnd::OnTimer(UINT nIDEvent)
{
	gbSplashScreenNotNeededByTimer = true;
	HideSplashScreen(false);
}