int main(void)
{
#if defined(BUILD_X11)
Display *dpy;
Window win;
unsigned long bpix;
#endif
spnav_event sev;
signal(SIGINT, sig);
#if defined(BUILD_X11)
if(!(dpy = XOpenDisplay(0))) {
fprintf(stderr, "failed to connect to the X server\n");
return 1;
}
bpix = BlackPixel(dpy, DefaultScreen(dpy));
win = XCreateSimpleWindow(dpy, DefaultRootWindow(dpy), 0, 0, 1, 1, 0, bpix, bpix);
/* This actually registers our window with the driver for receiving
* motion/button events through the 3dxsrv-compatible X11 protocol.
*/
if(spnav_x11_open(dpy, win) == -1) {
fprintf(stderr, "failed to connect to the space navigator daemon\n");
return 1;
}
#elif defined(BUILD_AF_UNIX)
if(spnav_open()==-1) {
fprintf(stderr, "failed to connect to the space navigator daemon\n");
return 1;
}
#else
#error Unknown build type!
#endif
/* spnav_wait_event() and spnav_poll_event(), will silently ignore any non-spnav X11 events.
*
* If you need to handle other X11 events you will have to use a regular XNextEvent() loop,
* and pass any ClientMessage events to spnav_x11_event, which will return the event type or
* zero if it's not an spnav event (see spnav.h).
*/
while(spnav_wait_event(&sev)) {
if(sev.type == SPNAV_EVENT_MOTION) {
printf("got motion event: t(%d, %d, %d) ", sev.motion.x, sev.motion.y, sev.motion.z);
printf("r(%d, %d, %d)\n", sev.motion.rx, sev.motion.ry, sev.motion.rz);
} else { /* SPNAV_EVENT_BUTTON */
printf("got button %s event b(%d)\n", sev.button.press ? "press" : "release", sev.button.bnum);
}
}
spnav_close();
return 0;
}
/// This method executes within the context of a separate thread that
/// blocks waiting for events from the SpaceNavigator hardware.
static void event_loop()
{
while(true)
{
if(0 == spnav_wait_event(&g_event))
{
k3d::log() << error << "Error waiting for event." << std::endl;
continue;
}
// Signal the main thread that an event has occurred
g_dispatcher->emit();
// Wait until the main thread has handled the event
Glib::Mutex::Lock lock(*g_mutex);
}
}
