/**
* Retrieves next event from queue. Must be called when
* <code>directfbapp_event_is_waiting</code> returned true.
*/
void directfbapp_get_event(void *event) {
if (directfbapp_event_is_waiting()) {
DFBCHECK(event_buffer->GetEvent(event_buffer, DFB_EVENT(event)));
return;
}
REPORT_ERROR(LC_LOWUI, "Invalid sequence of calls: no events waiting");
dfb_err:;
}
/**
* Blocks the Java event thread until an event has been queued and returns
* that event and the number of events still in the queue.
*
* @param event An empty event to be filled in if there is a queued
* event.
*
* @return number of events waiting in the native queue
*/
KNIEXPORT KNI_RETURNTYPE_INT
KNIDECL(com_sun_midp_events_NativeEventMonitor_waitForNativeEvent) {
fd_set read_fds;
fd_set write_fds;
fd_set except_fds;
int num_fds = 0, num_ready;
/* IMPL_NOTE jlong sec, usec; */
/* IMPL_NOTE struct timeval timeout; */
#ifdef DIRECTFB
int keyboard_has_event = 0;
#else
int keyboardFd = fbapp_get_keyboard_fd();
#endif /* defined(DIRECTFB) */
int done = 0;
do {
FD_ZERO(&read_fds);
FD_ZERO(&write_fds);
FD_ZERO(&except_fds);
FD_SET(controlPipe[0], &read_fds);
if (num_fds <= controlPipe[0]) {
num_fds = controlPipe[0] + 1;
}
#ifndef DIRECTFB
keyboardFd = fbapp_get_keyboard_fd();
if (keyboardFd >= 0) {
FD_SET(keyboardFd, &read_fds);
if (num_fds <= keyboardFd) {
num_fds = keyboardFd + 1;
}
}
CVMD_gcSafeExec(_ee, {
num_ready= select(num_fds+1, &read_fds, &write_fds, &except_fds,
NULL);
});
#else
/* We should get events from two different sources:
* from controlPipe and from DirectFB's event queue (keyboard events).
* At first we check for keyboard events. If this queue is empty
* we wait 0.2s for pipe's events.
*/
if (!directfbapp_event_is_waiting()) {
struct timeval timeout;
timeout.tv_sec = 0;
timeout.tv_usec = 200000; /* wait 0.2 sec */
/* When the timeout expires num_ready will contain 0 */
CVMD_gcSafeExec(_ee, {
num_ready= select(num_fds+1, &read_fds, &write_fds, &except_fds,
&timeout);
});
} else {
