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#include "input.hpp"
xInput::xInput()
{
#ifdef _WIN32
inhandle = GetStdHandle(STD_INPUT_HANDLE);
#endif
#ifdef USE_TERMIO
ioctl(0, TCGETA, &back);
InputTermio_t term = back;
term.c_lflag &= ~(ICANON | ECHO);
term.c_cc[VMIN] = 0; // 0=no block, 1=do block
if(ioctl(0, TCSETA, &term) < 0)
fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
#endif
}
xInput::~xInput()
{
#ifdef USE_TERMIO
if(ioctl(0, TCSETA, &back) < 0)
fcntl(0, F_SETFL, fcntl(0, F_GETFL) & ~ O_NONBLOCK);
#endif
}
char xInput::PeekInput()
{
#ifdef __DJGPP__
if(kbhit())
{
int c = getch();
return c ? c : getch();
}
#endif
#ifdef _WIN32
DWORD nread = 0;
INPUT_RECORD inbuf[1];
while(PeekConsoleInput(inhandle, inbuf, sizeof(inbuf) / sizeof(*inbuf), &nread) && nread)
{
ReadConsoleInput(inhandle, inbuf, sizeof(inbuf) / sizeof(*inbuf), &nread);
if(inbuf[0].EventType == KEY_EVENT
&& inbuf[0].Event.KeyEvent.bKeyDown)
{
char c = inbuf[0].Event.KeyEvent.uChar.AsciiChar;
unsigned s = inbuf[0].Event.KeyEvent.wVirtualScanCode;
if(c == 0) c = s;
return c;
}
}
#endif
#if (!defined(_WIN32) || defined(__CYGWIN__)) && !defined(__DJGPP__)
char c = 0;
if(read(0, &c, 1) == 1) return c;
#endif
return '\0';
}
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