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WaveEditorView.cpp
资源名称：WaveEdit.zip　[点击查看]
上传用户：dthg120
上传日期：2007-01-01
资源大小：50k
文件大小：4k
源码类别：

多媒体编程

开发平台：

Visual C++

WaveEditorView.cpp：源码内容
  1. // WaveEditorView.cpp : implementation file
  2. //
  4. #include "stdafx.h"
  5. #include "WaveEdit.h"
  6. #include "WaveEditorView.h"
  8. #ifdef _DEBUG
  9. #define new DEBUG_NEW
  10. #undef THIS_FILE
  11. static char THIS_FILE[] = __FILE__;
  12. #endif
  14. /////////////////////////////////////////////////////////////////////////////
  15. // CWaveEditorView
  17. IMPLEMENT_DYNCREATE(CWaveEditorView, CFormView)
  19. CWaveEditorView::CWaveEditorView()
  20. : CFormView(CWaveEditorView::IDD)
  21. {
  22. m_bPlaying = FALSE;
  23. m_bPaused = FALSE;
  24. m_bStopped = TRUE;
  25. //{{AFX_DATA_INIT(CWaveEditorView)
  26. // NOTE: the ClassWizard will add member initialization here
  27. //}}AFX_DATA_INIT
  28. }
  30. CWaveEditorView::~CWaveEditorView()
  31. {
  32. }
  34. void CWaveEditorView::DoDataExchange(CDataExchange* pDX)
  35. {
  36. CFormView::DoDataExchange(pDX);
  37. //{{AFX_DATA_MAP(CWaveEditorView)
  38. // NOTE: the ClassWizard will add DDX and DDV calls here
  39. //}}AFX_DATA_MAP
  40. }
  43. BEGIN_MESSAGE_MAP(CWaveEditorView, CFormView)
  44. //{{AFX_MSG_MAP(CWaveEditorView)
  45. ON_COMMAND(ID_PLAY, OnPlay)
  46. ON_COMMAND(ID_STOP, OnStop)
  47. ON_COMMAND(ID_PAUSE, OnPause)
  48. ON_UPDATE_COMMAND_UI(ID_PAUSE, OnUpdatePause)
  49. ON_UPDATE_COMMAND_UI(ID_PLAY, OnUpdatePlay)
  50. ON_UPDATE_COMMAND_UI(ID_STOP, OnUpdateStop)
  51. ON_WM_CREATE()
  52. ON_WM_SETFOCUS()
  53. ON_WM_KILLFOCUS()
  54. ON_WM_TIMER()
  55. ON_COMMAND(ID_FILE_NEW, OnFileNew)
  56. ON_COMMAND(ID_FILE_OPEN, OnFileOpen)
  57. //}}AFX_MSG_MAP
  58. END_MESSAGE_MAP()
  60. /////////////////////////////////////////////////////////////////////////////
  61. // CWaveEditorView diagnostics
  63. #ifdef _DEBUG
  64. void CWaveEditorView::AssertValid() const
  65. {
  66. CFormView::AssertValid();
  67. }
  69. void CWaveEditorView::Dump(CDumpContext& dc) const
  70. {
  71. CFormView::Dump(dc);
  72. }
  73. #endif //_DEBUG
  75. /////////////////////////////////////////////////////////////////////////////
  76. // CWaveEditorView message handlers
  78. int CWaveEditorView::OnCreate(LPCREATESTRUCT lpCreateStruct) 
  79. {
  80. if (CFormView::OnCreate(lpCreateStruct) == -1)
  81. return -1;
  83. return 0;
  84. }
  86. void CWaveEditorView::OnPlay() 
  87. {
  88. SetTimer(1, 25, NULL);
  89. m_bPlaying = TRUE;
  90. m_bStopped = FALSE;
  92. }
  94. void CWaveEditorView::OnUpdatePlay(CCmdUI* pCmdUI) 
  95. {
  96. pCmdUI->Enable(!m_bPlaying);
  98. }
  100. void CWaveEditorView::OnStop() 
  101. {
  102. KillTimer(1);
  103. m_WaveEditCtrl.m_ptCaretPos.x = 0;
  104. m_WaveEditCtrl.MoveCaret();
  105. m_bStopped = TRUE;
  106. m_bPlaying = FALSE;
  107. m_bPaused = FALSE;
  109. }
  111. void CWaveEditorView::OnUpdateStop(CCmdUI* pCmdUI) 
  112. {
  113. pCmdUI->Enable(!m_bStopped);
  115. }
  117. void CWaveEditorView::OnPause() 
  118. {
  119. m_bPaused = !m_bPaused;
  121. if (m_bPaused)
  122. KillTimer(1);
  123. else 
  124. SetTimer(1, 25, NULL);
  126. }
  129. void CWaveEditorView::OnUpdatePause(CCmdUI* pCmdUI) 
  130. {
  131. if (!m_bPlaying)
  132. pCmdUI->Enable(FALSE);
  133. else
  134. pCmdUI->SetCheck( m_bPaused);
  136. }
  138. void CWaveEditorView::OnInitialUpdate() 
  139. {
  140. CFormView::OnInitialUpdate();
  142. CRect rect;
  143. GetDlgItem(IDC_WAVE_EDIT)->GetWindowRect(rect);
  144. ScreenToClient(rect);
  145. m_WaveEditCtrl.Create(WS_VISIBLE | WS_CHILD, rect, this, 1000);
  148. }
  150. void CWaveEditorView::OnSetFocus(CWnd* pOldWnd) 
  151. {
  152. pOldWnd = NULL; 
  153. m_WaveEditCtrl.SetCaret();
  155. }
  157. void CWaveEditorView::OnKillFocus(CWnd* pNewWnd) 
  158. {
  159. pNewWnd = NULL;
  160. m_WaveEditCtrl.KillCaret();
  162. }
  164. void CWaveEditorView::OnTimer(UINT nIDEvent) 
  165. {
  167. if (m_WaveEditCtrl.m_bStopped){
  168. KillTimer(1);
  169. m_bPlaying = FALSE;
  170. m_bPaused = FALSE;
  171. m_bStopped = TRUE;
  172. m_WaveEditCtrl.m_bStopped = FALSE;
  173. }
  175. m_WaveEditCtrl.MoveCaret();
  177. CFormView::OnTimer(nIDEvent);
  178. }
  180. void CWaveEditorView::OnFileNew() 
  181. {
  182. // TODO: Add your command handler code here
  184. }
  186. void CWaveEditorView::OnFileOpen() 
  187. {
  188. // TODO: Add your command handler code here
  190. }