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Splash.cpp
资源名称：OSDemo　[点击查看]
上传用户：tianjwyx
上传日期：2007-01-13
资源大小：813k
文件大小：3k
源码类别：

操作系统开发

开发平台：

Visual C++

Splash.cpp：源码内容
  1. // CG: This file was added by the Splash Screen component.
  2. // Splash.cpp : implementation file
  3. //
  5. #include "stdafx.h"  // e. g. stdafx.h
  6. #include "resource.h"  // e.g. resource.h
  8. #include "Splash.h"  // e.g. splash.h
  10. #ifdef _DEBUG
  11. #define new DEBUG_NEW
  12. #undef THIS_FILE
  13. static char BASED_CODE THIS_FILE[] = __FILE__;
  14. #endif
  16. /////////////////////////////////////////////////////////////////////////////
  17. //   Splash Screen class
  19. BOOL CSplashWnd::c_bShowSplashWnd;
  20. CSplashWnd* CSplashWnd::c_pSplashWnd;
  21. CSplashWnd::CSplashWnd()
  22. {
  23. }
  25. CSplashWnd::~CSplashWnd()
  26. {
  27. // Clear the static window pointer.
  28. ASSERT(c_pSplashWnd == this);
  29. c_pSplashWnd = NULL;
  30. }
  32. BEGIN_MESSAGE_MAP(CSplashWnd, CWnd)
  33. //{{AFX_MSG_MAP(CSplashWnd)
  34. ON_WM_CREATE()
  35. ON_WM_PAINT()
  36. ON_WM_TIMER()
  37. //}}AFX_MSG_MAP
  38. END_MESSAGE_MAP()
  40. void CSplashWnd::EnableSplashScreen(BOOL bEnable /*= TRUE*/)
  41. {
  42. c_bShowSplashWnd = bEnable;
  43. }
  45. void CSplashWnd::ShowSplashScreen(CWnd* pParentWnd /*= NULL*/)
  46. {
  47. if (!c_bShowSplashWnd || c_pSplashWnd != NULL)
  48. return;
  50. // Allocate a new splash screen, and create the window.
  51. c_pSplashWnd = new CSplashWnd;
  52. if (!c_pSplashWnd->Create(pParentWnd))
  53. delete c_pSplashWnd;
  54. else
  55. c_pSplashWnd->UpdateWindow();
  56. }
  58. BOOL CSplashWnd::PreTranslateAppMessage(MSG* pMsg)
  59. {
  60. if (c_pSplashWnd == NULL)
  61. return FALSE;
  63. // If we get a keyboard or mouse message, hide the splash screen.
  64. if (pMsg->message == WM_KEYDOWN ||
  65.     pMsg->message == WM_SYSKEYDOWN ||
  66.     pMsg->message == WM_LBUTTONDOWN ||
  67.     pMsg->message == WM_RBUTTONDOWN ||
  68.     pMsg->message == WM_MBUTTONDOWN ||
  69.     pMsg->message == WM_NCLBUTTONDOWN ||
  70.     pMsg->message == WM_NCRBUTTONDOWN ||
  71.     pMsg->message == WM_NCMBUTTONDOWN)
  72. {
  73. c_pSplashWnd->HideSplashScreen();
  74. return TRUE; // message handled here
  75. }
  77. return FALSE; // message not handled
  78. }
  80. BOOL CSplashWnd::Create(CWnd* pParentWnd /*= NULL*/)
  81. {
  82. if (!m_bitmap.LoadBitmap(IDB_SPLASH))
  83. return FALSE;
  85. BITMAP bm;
  86. m_bitmap.GetBitmap(&bm);
  88. return CreateEx(0,
  89. AfxRegisterWndClass(0, AfxGetApp()->LoadStandardCursor(IDC_ARROW)),
  90. NULL, WS_POPUP | WS_VISIBLE, 0, 0, bm.bmWidth, bm.bmHeight, pParentWnd->GetSafeHwnd(), NULL);
  91. }
  93. void CSplashWnd::HideSplashScreen()
  94. {
  95. // Destroy the window, and update the mainframe.
  96. DestroyWindow();
  97. AfxGetMainWnd()->UpdateWindow();
  98. }
  100. void CSplashWnd::PostNcDestroy()
  101. {
  102. // Free the C++ class.
  103. delete this;
  104. }
  106. int CSplashWnd::OnCreate(LPCREATESTRUCT lpCreateStruct)
  107. {
  108. if (CWnd::OnCreate(lpCreateStruct) == -1)
  109. return -1;
  111. // Center the window.
  112. CenterWindow();
  114. // Set a timer to destroy the splash screen.
  115. SetTimer(1, 3000, NULL);
  117. return 0;
  118. }
  120. void CSplashWnd::OnPaint()
  121. {
  122. CPaintDC dc(this);
  124. CDC dcImage;
  125. if (!dcImage.CreateCompatibleDC(&dc))
  126. return;
  128. BITMAP bm;
  129. m_bitmap.GetBitmap(&bm);
  131. // Paint the image.
  132. CBitmap* pOldBitmap = dcImage.SelectObject(&m_bitmap);
  133. dc.BitBlt(0, 0, bm.bmWidth, bm.bmHeight, &dcImage, 0, 0, SRCCOPY);
  134. dcImage.SelectObject(pOldBitmap);
  135. }
  137. void CSplashWnd::OnTimer(UINT nIDEvent)
  138. {
  139. // Destroy the splash screen window.
  140. HideSplashScreen();
  141. }