static int evdev_handle(int fd) {
for (int i=0;i<numDevices;i++) {
if (devices[i].fd = fd) {
int rc;
struct input_event ev;
while ((rc = libevdev_next_event(devices[i].dev, LIBEVDEV_READ_FLAG_NORMAL, &ev)) >= 0) {
if (rc == LIBEVDEV_READ_STATUS_SYNC)
fprintf(stderr, "Error: cannot keep up\n");
else if (rc == LIBEVDEV_READ_STATUS_SUCCESS) {
if (!handler(&ev, &devices[i]))
return LOOP_RETURN;
}
}
if (rc == -ENODEV) {
evdev_remove(i);
} else if (rc != -EAGAIN && rc < 0) {
fprintf(stderr, "Error: %s\n", strerror(-rc));
exit(EXIT_FAILURE);
}
}
}
return LOOP_OK;
}
static void evdev_read(evdev_t *dev)
{
struct input_event ev[MAX_EVENTS];
ssize_t bytes;
size_t i, count;
unsigned button, time;
bytes = read(dev->fd, ev, EVENT_SIZE * MAX_EVENTS);
if (bytes == -1) {
if (errno == EAGAIN) {
return;
}
Com_EPrintf("Couldn't read %s: %s\n", dev->path, strerror(errno));
evdev_remove(dev);
return;
}
if (bytes < EVENT_SIZE) {
return; // should not happen
}
count = bytes / EVENT_SIZE;
for (i = 0; i < count; i++) {
time = ev[i].time.tv_sec * 1000 + ev[i].time.tv_usec / 1000;
switch (ev[i].type) {
case EV_KEY:
if (ev[i].code >= BTN_MOUSE && ev[i].code < BTN_MOUSE + 8) {
button = K_MOUSE1 + ev[i].code - BTN_MOUSE;
Key_Event(button, !!ev[i].value, time);
}
break;
case EV_REL:
switch (ev[i].code) {
case REL_X:
evdev.dx += (int)ev[i].value;
break;
case REL_Y:
evdev.dy += (int)ev[i].value;
break;
case REL_WHEEL:
if ((int)ev[i].value == 1) {
Key_Event(K_MWHEELUP, qtrue, time);
Key_Event(K_MWHEELUP, qfalse, time);
} else if ((int)ev[i].value == -1) {
Key_Event(K_MWHEELDOWN, qtrue, time);
Key_Event(K_MWHEELDOWN, qfalse, time);
}
break;
case REL_HWHEEL:
if ((int)ev[i].value == 1) {
Key_Event(K_MWHEELRIGHT, qtrue, time);
Key_Event(K_MWHEELRIGHT, qfalse, time);
} else if ((int)ev[i].value == -1) {
Key_Event(K_MWHEELLEFT, qtrue, time);
Key_Event(K_MWHEELLEFT, qfalse, time);
}
break;
default:
break;
}
break;
default:
break;
}
}
}
