ref: 347bb2a7a7110e55debd5ebe57ba03bbe315c5ba
dir: /sys/src/cmd/aux/tablet.c/
#include <u.h> #include <libc.h> #include <bio.h> Biobuf *tablet; int mouseout; int main() { mouseout = open("/dev/mousein", OWRITE); if(mouseout < 0) sysfatal("%r"); tablet = Bopen("/dev/tablet", OREAD); if(tablet == nil) sysfatal("%r"); while(1) { char *line, *p; int x, y, b; line = Brdline(tablet, 10); if(!line) sysfatal("%r"); p = line; if(*p++ != 'm') continue; if(*p++ != ' ') continue; x = strtol(p, &p, 10); if(*p++ != ' ') continue; y = strtol(p, &p, 10); if(*p++ != ' ') continue; b = strtol(p, &p, 10); if(*p++ != ' ') continue; fprint(mouseout, "A %d %d %d\n", x, y, b); } }