C++ Prompt函数代码示例

void Reconfigure()
{
    fflush(stdin);

    Prompt("\nDo you want to \n"
           "  Randomly generate graphs (r),\n"
           "  Specify a graph (s),\n"
           "  Randomly generate a maximal planar graph (m), or\n"
           "  Randomly generate a non-planar graph (n)?");
    scanf(" %c", &Mode);

    Mode = tolower(Mode);
    if (!strchr("rsmn", Mode))
        Mode = 's';

    if (Mode == 'r')
    {
        Message("\nNOTE: The directories for the graphs you want must exist.\n\n");

        Prompt("Do you want original graphs in directory 'random' (last 10 max)?");
        scanf(" %c", &OrigOut);

        Prompt("Do you want adj. matrix of embeddable graphs in directory 'embedded' (last 10 max))?");
        scanf(" %c", &EmbeddableOut);

        Prompt("Do you want adj. matrix of obstructed graphs in directory 'obstructed' (last 10 max)?");
        scanf(" %c", &ObstructedOut);

        Prompt("Do you want adjacency list format of embeddings in directory 'adjlist' (last 10 max)?");
        scanf(" %c", &AdjListsForEmbeddingsOut);
    }

    FlushConsole(stdout);
}

static int delete_lines(int nrows, char *rows)
{
	char input[4];
	int first, last;

	DDPut(sd[ledelstr]);
	input[0] = 0;
	if (!(Prompt(input, 3, PROMPT_NOCRLF)))
		return -1;
	if ((first = str2uint(input, 1, nrows)) == -1)
		return nrows;	

	DDPut(sd[ledeltostr]);
	input[0] = 0;
	if (!(Prompt(input, 3, 0)))
		return -1;
	if ((last = str2uint(input, 1, nrows)) == -1)
		return nrows;

	if (last < first) {
		int tmp;
		tmp = last;
		last = first;
		first = tmp;
	}

	memmove(rows + (first - 1) * 80, rows + last * 80, (nrows - last) * 80);
	return nrows - (last - first + 1);
}

PPlugin	PromptPlugin (int Type)
{
	char filepath[MAX_PATH];
	PPlugin result = (PPlugin)DialogBoxParam(hInst,MAKEINTRESOURCE(IDD_SELECTPLUGIN),topHWnd,DLG_SelectPlugin,(LPARAM)Type);
	if (result == NULL)
		return NULL;

	if (result->num != 9998)
		return result;

	PromptTitle = "Specify iNES mapper number (cancel for none):\r\n(-1 to skip .NES, 9999 to skip .NES and .UNIF)";
	if (Prompt(topHWnd))
		custplug.num = atoi(PromptResult);
	else	custplug.num = -1;

	if (custplug.num != 9999)
	{
		PromptTitle = "Specify UNIF board name (cancel for none):";
		if (Prompt(topHWnd))
			strcpy(custplug.name,PromptResult);
		else if (custplug.num == -1)
			custplug.num = 9999;
	}

	while (1)
	{
		if (!PromptFile(topHWnd,"USB CopyNES Plugins (*.bin)\0*.bin\0\0\0\0", filepath, custplug.file, Path_PLUG, "Select a plugin (must be in Plugins path)", "bin", FALSE))
			return NULL;
		if (strnicmp(Path_PLUG, filepath, strlen(Path_PLUG)))
			MessageBox(topHWnd,"Selected file is not located in Plugins directory!","Select Plugin", MB_OK | MB_ICONERROR);
		else	break;
	}
	return &custplug;
}

    bool PasswdBackend::authenticate() {
        if (m_autologin)
            return true;

        if (m_user == "sddm") {
            if (m_greeter)
                return true;
            else
                return false;
        }

        Request r;
        QString password;

        if (m_user.isEmpty())
            r.prompts << Prompt(AuthPrompt::LOGIN_USER, "Login", false);
        r.prompts << Prompt(AuthPrompt::LOGIN_PASSWORD, "Password", true);

        Request response = m_app->request(r);
        Q_FOREACH(const Prompt &p, response.prompts) {
            switch (p.type) {
                case AuthPrompt::LOGIN_USER:
                    m_user = p.response;
                    break;
                case AuthPrompt::LOGIN_PASSWORD:
                    password = p.response;
                    break;
                default:
                    break;
            }
        }

        struct passwd *pw = getpwnam(qPrintable(m_user));
        if (!pw) {
            m_app->error(QString("Wrong user/password combination"), Auth::ERROR_AUTHENTICATION);
            return false;
        }

        struct spwd *spw = getspnam(pw->pw_name);
        if (!spw) {
            qWarning() << "[Passwd] Could get passwd but not shadow";
            return false;
        }

        if(!spw->sp_pwdp || !spw->sp_pwdp[0])
            return true;

        char *crypted = crypt(qPrintable(password), spw->sp_pwdp);
        if (0 == strcmp(crypted, spw->sp_pwdp)) {
            return true;
        }

        m_app->error(QString("Wrong user/password combination"), Auth::ERROR_AUTHENTICATION);
        return false;
    }

int PromptAbortRetryIgnore(const char *qtf) {
	BeepExclamation();
	return Prompt(callback(LaunchWebBrowser),
	              Ctrl::GetAppName(), CtrlImg::exclamation(), qtf, false,
	              t_("&Abort"), t_("&Retry"), t_("&Ignore"), 0,
	              AbortButtonImage(), RetryButtonImage(), Null);
}

int PromptAbortRetryIgnore(const char *qtf, Callback HelpDlg, const char *help) {
#ifdef PLATFORM_WIN32
	MessageBeep(MB_ICONEXCLAMATION);
#endif
	return Prompt(Ctrl::GetAppName(), CtrlImg::exclamation(), qtf, HelpDlg, 
		          false, t_("&Abort"), t_("&Retry"), t_("&Cancel"), help);
}

void start_display_buff(char *buff)
{
  char buffer[5];

  num_members++;
  if (moreflg)
    return;
  if (currow >= LINES - 2)
    {
      page++;
      currow++;
      mvcur(0, 0, currow, STARTCOL);
      refresh();
      if (Prompt("--RETURN for more, ctl-c to exit--", buffer, 1, 0) == 0)
	{
	  erase_line(currow, STARTCOL);
	  show_text(currow, STARTCOL, "Flushing query...");
	  moreflg = 1;
	  return;
	}
      clrwin(DISPROW + 2);
      currow = DISPROW + 2;
      show_text(currow, STARTCOL, "continued");
      currow++;
    }
  show_text(currow, STARTCOL, buff);
  currow++;
  return;
}

bool FinishSave(String tmpfile, String outfile)
{
	if(IsDeactivationSave()) {
		FileMove(tmpfile, outfile);
		return true;
	}
	Progress progress;
	int time = GetTickCount();
	for(;;) {
		progress.SetTotal(10000);
		progress.SetText("Saving '" + GetFileName(outfile) + "'");
		if(!FileExists(tmpfile))
			return false;
		FileDelete(outfile);
		if(FileMove(tmpfile, outfile))
			return true;
		IdeConsoleFlush();
		Sleep(200);
		if(progress.SetPosCanceled((GetTickCount() - time) % progress.GetTotal())) {
			int art = Prompt(Ctrl::GetAppName(), CtrlImg::exclamation(),
				"Unable to save current file.&"
				"Retry save, ignore it or save file to another location?",
				"Save as...", "Retry", "Ignore");
			if(art < 0)
				return false;
			if(art && AnySourceFs().ExecuteSaveAs())
				outfile = AnySourceFs();
			progress.SetPos(0);
		}
	}
}

int PromptYesNoCancel(const char *qtf) {
	BeepQuestion();
	return Prompt(callback(LaunchWebBrowser),
	              Ctrl::GetAppName(), CtrlImg::question(), qtf, true,
	              t_("&Yes"), t_("&No"), t_("Cancel"), 0,
	              YesButtonImage(), NoButtonImage(), Null);
}

int PromptRetryCancel(const char *qtf) {
	BeepExclamation();
	return Prompt(callback(LaunchWebBrowser),
	              Ctrl::GetAppName(), CtrlImg::exclamation(), qtf, true,
	              t_("&Retry"), t_("Cancel"), NULL, 0,
	              RetryButtonImage(), Null, Null);
}

int Prompt(Callback1<const String&> WhenLink,
           const char *title, const Image& icon, const char *qtf, bool okcancel,
           const char *button1, const char *button2, const char *button3,
		   int cx)
{
	return Prompt(WhenLink, title, icon, qtf, okcancel, button1, button2, button3, cx, Null, Null, Null);
}

void delete_member(void)
{
  char *argv[3];
  char *buf;

  show_text(DISPROW, STARTCOL, "Remove yourself from a list\n");
  buf = calloc(LISTMAX, 1);
  if (Prompt("Enter List Name: ", buf, LISTSIZE, 1) == 1)
    {
      display_buff("\n");
      argv[0] = strdup(buf);
      argv[1] = strdup("user");
      argv[2] = strdup(username);
      if ((status = mr_query("delete_member_from_list", 3, argv, NULL, NULL)))
	{
	  display_buff("\n");
	  com_err(whoami, status, " found.\n");
	}
      else
	{
	  sprintf(buf, "User %s deleted from list\n", username);
	  show_text(DISPROW + 3, STARTCOL, buf);
	}
      currow = DISPROW + 4;
      show_text(DISPROW + 4, STARTCOL, "Press any Key to continue...");
      getchar();
      free(argv[0]);
      free(argv[1]);
      free(argv[2]);
    }
  free(buf);
  clrwin(DISPROW);
}

/**
* clears the buffer history, not the command history
*/
void ClearHistory()
{
	fn(ptr, SCI_SETTEXT, 0, (sptr_t)"");
	clearLogText();
	cmdVector.clear();
	Prompt();
}

bool GuiPackageResolver(const String& error, const String& path, int line)
{
prompt:
	switch(Prompt(Ctrl::GetAppName(), CtrlImg::exclamation(),
	              error + "&while parsing package " + DeQtf(path),
		          "Edit \\& Retry", "Ignore",  "Stop")) {
	case 0:
		if(!PromptYesNo("Ignoring will damage package. Everything past the "
			            "point of error will be lost.&Do you want to continue ?"))
			goto prompt;
		return false;
	case 1: {
			TopWindow win;
			LineEdit edit;
			edit.Set(LoadFile(path));
			edit.SetCursor(edit.GetPos(line));
			win.Title(path);
			win.Add(edit.SizePos());
			win.Run();
			SaveFile(path, edit.Get());
		}
		return true;;
	case -1:
		exit(1);
	}
	return false;
}

int Shell::Run(Client* client, Server* server){
	char buf[BUFFER_SIZE];
    if(fgets(buf, BUFFER_SIZE, stdin) == NULL)
        return SHELL_EXIT;
    buf[strlen(buf)-1] = 0;
    int res = Exec(buf, client, server);
    if(res != SHELL_EXIT)Prompt();
    return res;
}