/*
* Timers documentation:
* http://www.x.org/releases/X11R7.7/doc/xorg-server/Xserver-spec.html#id2536042
*
* This function indirectly may call itself recursively using timer to guarantee correct
* event delivery time. Ususally recursion ends after first recursive call.
*/
static CARD32 check_resolve_delayed(OsTimerPtr timer, CARD32 time, void *arg){
LocalDevicePtr local = arg;
struct MTouch *mt = local->private;
mstime_t delta_millis;
struct timeval delta;
// If it was to early to trigger delayed button, next timer will be set,
// but when called by timer such situation shouldn't take place.
switch (mtouch_delayed(mt)){
case 1:
if(mt->is_timer_installed != 1){
TimerCancel(mt->timer);
mt->is_timer_installed = 1;
timersub(&mt->gs.button_delayed_time, &mt->gs.time, &delta);
delta_millis = timertoms(&delta);
mt->timer = TimerSet(mt->timer, 0, delta_millis, check_resolve_delayed, local);
}
break;
case 2:
TimerCancel(mt->timer);
mt->is_timer_installed = 0;
handle_gestures(local, &mt->gs);
break;
case 3:
TimerCancel(mt->timer);
handle_gestures(local, &mt->gs);
mt->is_timer_installed = 2;
/* Install coasting timer */
coasting_delayed(mt->timer, -1, arg);
break;
case 0: break;
}
return 0;
}
static void loop_device(int fd)
{
struct MTouch mt;
if (mtouch_configure(&mt, fd)) {
fprintf(stderr, "error: could not configure device\n");
return;
}
if (mtouch_open(&mt, fd)) {
fprintf(stderr, "error: could not open device\n");
return;
}
mconfig_defaults(&mt.cfg);
printf("width: %d\n", mt.hs.max_x);
printf("height: %d\n", mt.hs.max_y);
//while (!mtdev_idle(&mt.dev, fd, 5000)) {
while (1) {
while (mtouch_read(&mt) > 0)
print_gestures(&mt.gs);
if (mtouch_delayed(&mt))
print_gestures(&mt.gs);
}
mtouch_close(&mt);
}
/* called for each full received packet from the touchpad */
static void read_input(LocalDevicePtr local)
{
struct MTouch *mt = local->private;
while (mtouch_read(mt) > 0)
handle_gestures(local, &mt->gs);
if (mtouch_delayed(mt))
handle_gestures(local, &mt->gs);
}
