/*
void IdleTimerAction (EventLoopTimerRef inTimer, void *inUserData, EventIdleAction inAction );
*/
SEXP
R_carbonInstallIdle(R_IdleFunc f, void *userData)
{
EventLoopRef loop = GetCurrentEventLoop();
EventTimerInterval delay, time;
EventLoopTimerUPP proc;
EventLoopTimerRef out;
OSSStatus status;
delay = 0;
time = 0;
/*
This is not quite what we want. It will not detect other events such as input onf
streams, etc.
And it is only available on OS X 10.2.
*/
status = InstallEventLoopIdleTimer(loop, delay, time, proc, userData, &out);
if(status != noErr) {
PROBLEM "Can't register idle task"
ERROR;
}
return(createRCarbonTimer(out));
}
void Shell::EventLoop(ShellIdleFunction idle_function)
{
OSStatus error;
error = InstallApplicationEventHandler(NewEventHandlerUPP(InputMacOSX::EventHandler),
GetEventTypeCount(INPUT_EVENTS),
INPUT_EVENTS,
NULL,
NULL);
if (error != noErr)
DisplayError("Unable to install handler for input events, error: %d.", error);
error = InstallWindowEventHandler(window,
NewEventHandlerUPP(EventHandler),
GetEventTypeCount(WINDOW_EVENTS),
WINDOW_EVENTS,
NULL,
NULL);
if (error != noErr)
DisplayError("Unable to install handler for window events, error: %d.", error);
EventLoopTimerRef timer;
error = InstallEventLoopIdleTimer(GetMainEventLoop(), // inEventLoop
0, // inFireDelay
5 * kEventDurationMillisecond, // inInterval (200 Hz)
NewEventLoopIdleTimerUPP(IdleTimerCallback), // inTimerProc
(void*) idle_function, // inTimerData,
&timer // outTimer
);
if (error != noErr)
DisplayError("Unable to install Carbon event loop timer, error: %d.", error);
RunApplicationEventLoop();
}