netfone.c

来自「IP网络语音通讯软件源代码. 不可多得的语音源代码」· C语言 代码 · 共 136 行

/*
				Speak Freely
				Main program

  This is the main module for Speak Freely, originally written by John
Walker, maintained since 1998 by Brian C. Wiles.

  All source code to Speak Freely is in the public domain.  This is in
accordance with the original license as specified by John Walker.

*/

#include "netfone.h"

static DWORD lastYieldTime = 0;

void MessageLoop(MSG *pmsg)
{
   	if (!((hDlgPropeller != NULL && IsDialogMessage(hDlgPropeller, pmsg)) ||
   		(hDlgAnswer != NULL && IsDialogMessage(hDlgAnswer, pmsg)) ||
		(hDlgSpectral != NULL && IsDialogMessage(hDlgSpectral, pmsg)) ||
		(hDlgChat != NULL && IsDialogMessage(hDlgChat, pmsg)) ||
   		IsVoxMonitorMessage(pmsg)
   		)) {
        if (!TranslateMDISysAccel(hwndMDIClient, pmsg) &&
            !TranslateAccelerator(hwndMDIFrame, hAccel, pmsg)) {
            TranslateMessage(pmsg);
            DispatchMessage(pmsg);
        }
   }
}

void DefaultMessageLoop()
{
	MSG msg;
	
	if ((GetTickCount() - lastYieldTime) > 350) {
//OutputDebugString("DefaultMessageLoop\r\n");
		propeller(IDC_PH_MSGCHECK, ++messageChecks);
		while (PeekMessage(&msg, NULL, 0, 0, PM_REMOVE)) {
			MessageLoop(&msg);
	  	}
    }
}

//	WINMAIN  --  Main application entry point

INT PASCAL WinMain(HINSTANCE hInstance, HINSTANCE hPrev,
				   LPSTR pszCmdLine, INT nCmdShow)
{
    MSG msg;
    LPSTR cp;
    
    /* Check command line for another connection */

	hPrev = (HINSTANCE) FindWindow(SPEAK_FREE_FRAME_CLASS, NULL);
    if (hPrev) {
		HWND hwnd = FindWindow(SPEAK_FREE_FRAME_CLASS, NULL);
		
	    SendMessage(hwnd, WM_NEW_COMMANDLINE, 0, (LPARAM) pszCmdLine);
	    if (IsIconic(hwnd)) {
	    	PostMessage(hwnd, WM_SYSCOMMAND, SC_RESTORE, 0L);
	    } else {
	    	SetFocus(hwnd);
	    }
		return 0;
	}
    
    //	Disable floating point error interrupts
    
/*{
 int i = _control87(0, 0);
 char s[80];
 wsprintf(s, "%0X", i);
 MessageBox(NULL, s, NULL, MB_OK);
}*/
//    _control87(_EM_ZERODIVIDE | _EM_OVERFLOW | _EM_UNDERFLOW,
//			   _EM_ZERODIVIDE | _EM_OVERFLOW | _EM_UNDERFLOW);
    _control87(_EM_ZERODIVIDE | _EM_OVERFLOW | _EM_INVALID | _EM_DENORMAL |
								_EM_UNDERFLOW | _EM_INEXACT,
			   _MCW_EM);
//   _control87(/*_EM_ZERODIVIDE | _EM_OVERFLOW | _EM_INVALID | _EM_DENORMAL |
//								_EM_UNDERFLOW | */ _EM_INVALID | _EM_UNDERFLOW | _EM_INEXACT,
//			   _MCW_EM);
/*{
 int i = _control87(0, 0);
 char s[80];
 wsprintf(s, "%0X", i);
 MessageBox(NULL, s, NULL, MB_OK);
}*/
    
    //	Check for and process "start iconic" command line switch
    
    if ((cp = _fstrstr(pszCmdLine, "-S")) != NULL ||
    	(cp = _fstrstr(pszCmdLine, "/S")) != NULL ||
    	(cp = _fstrstr(pszCmdLine, "-s")) != NULL ||
    	(cp = _fstrstr(pszCmdLine, "/s")) != NULL) {
    	if ((cp == pszCmdLine || isspace(cp[-1])) &&
    		(cp[2] == 0 || isspace(cp[2]))) {
    		nCmdShow = SW_SHOWMINIMIZED;
    		_fmemcpy(cp, "  ", 2);
    	}
    } 
    
	//	Initialise application

    if (!InitApplication(hInstance)) {
        return FALSE;
    }
    
    //	Initialise instance

    if (!InitInstance(hInstance, pszCmdLine, nCmdShow)) {
        return FALSE;
    }

	/*	MDI message dispatching loop.  The business with
		PeekMessage conspires with the anti-lockup code so
		that we only set lastYieldtime when we start
		processing a set of messages from the queue. */

    while (GetMessage(&msg, NULL, 0, 0)) {
    	MessageLoop(&msg);
	  	/*	Note that there may be a tiny timing window here
	  		that I can't think of any way to slam.  If a message
	  		gets queued by interrupt code between here and the
	  		call on GetMessage, lastYieldTime will be reset
	  		without actually yielding to another application. */
	  	if (!waNetNoMsgLoopIns &&
	  			PeekMessage(&msg, NULL, 0, 0, PM_NOYIELD | PM_NOREMOVE) == 0) {
			lastYieldTime = GetTickCount();
		}
    }
    return msg.wParam;
}