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/****************************************************************************
* *
* OpenNI 1.x Alpha *
* Copyright (C) 2011 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* OpenNI is free software: you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License as published *
* by the Free Software Foundation, either version 3 of the License, or *
* (at your option) any later version. *
* *
* OpenNI is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Lesser General Public License for more details. *
* *
* You should have received a copy of the GNU Lesser General Public License *
* along with OpenNI. If not, see <http://www.gnu.org/licenses/>. *
* *
****************************************************************************/
//---------------------------------------------------------------------------
// Includes
//---------------------------------------------------------------------------
#include <XnOS.h>
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <termios.h>
#include <unistd.h>
#include <fcntl.h>
//---------------------------------------------------------------------------
// Code
//---------------------------------------------------------------------------
XN_C_API XnBool xnOSWasKeyboardHit()
{
struct termios oldt, newt;
int ch;
int oldf;
// don't echo and don't wait for ENTER
tcgetattr(STDIN_FILENO, &oldt);
newt = oldt;
newt.c_lflag &= ~(ICANON | ECHO);
tcsetattr(STDIN_FILENO, TCSANOW, &newt);
oldf = fcntl(STDIN_FILENO, F_GETFL, 0);
// make it non-blocking (so we can check without waiting)
if (0 != fcntl(STDIN_FILENO, F_SETFL, oldf | O_NONBLOCK))
{
return FALSE;
}
ch = getchar();
tcsetattr(STDIN_FILENO, TCSANOW, &oldt);
if (0 != fcntl(STDIN_FILENO, F_SETFL, oldf))
{
return FALSE;
}
if(ch != EOF)
{
ungetc(ch, stdin);
return TRUE;
}
return FALSE;
}
XN_C_API XnChar xnOSReadCharFromInput()
{
return (XnChar)getchar();
}
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