LRESULT MainWindow::OnReceiveMessage()

in TTDQueries/app-sample/MainWindow.cpp [80:170]

• 70 lines of code
• 19 McCabe index (conditional complexity)

LRESULT MainWindow::OnReceiveMessage(UINT message, WPARAM wParam, LPARAM lParam)
{
	int wmId, wmEvent;

	HRESULT hr;

	switch (message)
	{

	case WM_CREATE:
		hr = OnCreate();
		if (FAILED(hr))
		{
			// Fail and quit.
			NotifyError(m_hwnd, TEXT("Cannot initialize the application."), hr);
			return -1;
		}
		break;
		
	case WM_SIZE:
		OnSize();
		break;

	case WM_PAINT:
		OnPaint();
		break;

	case WM_MOVE:
		OnPaint();
		break;

	case WM_DISPLAYCHANGE:
		m_pPlayer->DisplayModeChanged();
		break;

	case WM_ERASEBKGND:
		return 1;

	case WM_DESTROY:
		PostQuitMessage(0);
		break;

	case WM_TIMER:
		OnTimer();
		break;

	case WM_NOTIFY:
        OnWmNotify((NMHDR*)lParam);
		break;

	case WM_COMMAND:
		wmId    = LOWORD(wParam);
		wmEvent = HIWORD(wParam);
		switch (wmId)
		{
		case IDM_EXIT:
			DestroyWindow(m_hwnd);
			break;

		case ID_FILE_OPENFILE:
			OnFileOpen();
			break;

		case IDC_BUTTON_PLAY:
			OnPlay();
			break;

		case IDC_BUTTON_STOP:
			OnStop();
			break;

		case IDC_BUTTON_PAUSE:
			OnPause();
			break;
	
		case IDC_BUTTON_MUTE:
			OnMute();
			break;
		}
		break;

    // Private filter graph message.
	case WM_GRAPH_EVENT:
		hr = m_pPlayer->HandleGraphEvent(this);
		break;

	default:
		return BaseWindow::OnReceiveMessage(message, wParam, lParam);
	}
	return 0;
}