extern int fbread(struct fb *fb)
{
fd_set fdset;
struct timeval tv;
int i, key;
if(!fb->hw) return 0;
if(fb->hw->nfds == -1) return 0;
for(i=0; i<5; i++) {
if(fb->hw->ms.micev[i]) {
key = fb->hw->ms.micev[i];
fb->hw->ms.micev[i] = 0;
return key;
}
}
tv.tv_sec = tv.tv_usec = 0;
fdset = fb->hw->fdset;
if(select(fb->hw->nfds+1, &fdset, 0, 0, &tv) > 0) {
if(fb->hw->kb.fd != -1) {
if(FD_ISSET(fb->hw->kb.fd, &fdset)) {
return kbread(fb);
}
}
if(fb->hw->ms.fd != -1) {
if(FD_ISSET(fb->hw->ms.fd, &fdset)) {
int btn, oldbtn, dx, dy;
if((btn = msread(fb, &dx, &dy)) != -1) {
if(dx != 0) fb->hw->ms.micev[0] = dx<<16 | MICE_DX;
if(dy != 0) fb->hw->ms.micev[1] = dy<<16 | MICE_DY;
oldbtn = fb->hw->ms.oldbtn;
if((oldbtn & 0x1) && !(btn & 0x1)) fb->hw->ms.micev[2] = MICE_LEFT | 0x8000;
if(!(oldbtn & 0x1) && (btn & 0x1)) fb->hw->ms.micev[2] = MICE_LEFT;
if((oldbtn & 0x2) && !(btn & 0x2)) fb->hw->ms.micev[3] = MICE_RIGHT | 0x8000;
if(!(oldbtn & 0x2) && (btn & 0x2)) fb->hw->ms.micev[3] = MICE_RIGHT;
if((oldbtn & 0x4) && !(btn & 0x4)) fb->hw->ms.micev[4] = MICE_MIDDLE | 0x8000;
if(!(oldbtn & 0x4) && (btn & 0x4)) fb->hw->ms.micev[4] = MICE_MIDDLE;
fb->hw->ms.oldbtn = btn;
return fbread(fb);
}
}
}
}
return 0;
}
/* Process any keyboard input - removed from main() to make accessable
* by other processes - K5JB
*/
void
check_kbd()
{
char *ttybuf;
int c;
int16 cnt;
int ttydriv(),cmdparse(),kbread();
#ifdef FLOW
extern int ttyflow;
#endif
extern struct cmds cmds[];
extern char prompt[];
#ifdef SYS5
#ifdef USE_QUIT
if(reportquit_flag) /* set by quit signal and report is deferred */
report_quit(); /* until now */
#endif
/* note that if shellpid, kbread() always returns -1 */
while((background == 0) && ((c = kbread()) != -1))
#else
while((c = kbread()) != -1)
#endif
{
#ifdef MSDOS
/* c == -2 means the command escape key (F10) */
Keyhit = c; /* a global we use for haktc */
if(c == -2) {
if(mode != CMD_MODE) {
#ifdef CUTE_VIDEO
putca('\n',saved_attrib); /* in case we were in session */
#else
printf("\n");
#endif
cmdmode();
}
continue;
}
#endif
#if defined(UNIX) || defined(_OSK)
if(c == escape && escape != 0) {
if(mode != CMD_MODE) {
printf("\n");
cmdmode();
}
continue;
}
#endif /* UNIX or _OSK */
#ifndef FLOW
if ((cnt = ttydriv(c, &ttybuf)) == 0)
continue;
#else
cnt = ttydriv(c, &ttybuf);
if (ttyflow && (mode != CMD_MODE))
go(); /* display pending chars */
if (cnt == 0)
continue;
#endif /* FLOW */
switch(mode) {
case CMD_MODE:
(void)cmdparse(cmds,ttybuf);
fflush(stdout);
break;
case CONV_MODE:
if(current->parse != NULLFP)
(*current->parse)(ttybuf,cnt);
break;
}
#if defined(FORKSHELL) && defined(SYS5)
if(mode == CMD_MODE && !shellpid)
#else
if(mode == CMD_MODE)
#endif
{
if(noprompt) /* k35 */
noprompt = 0;
else {
printf(prompt);
fflush(stdout);
}
}
} /* while */
}