Boolean MCScreenDC::abortkey()
{ /* check for Command-. system abort key */
if (MCabortscript)
return True;
static uint4 alarmcount;
uint4 newcount = TickCount();
if (newcount < alarmcount)
return False;
alarmcount = newcount + 30;
// MW-2008-07-31: [[ Bug 6850 ]] Variable watcher breaks out when using scroll wheel.
// This bug was caused by the previous version of checking for an abortkey causing
// Carbon events to be handled. This can result in things such WheelUp/WheelDown
// events being dispatched *inside* previous invocations.
if (CheckEventQueueForUserCancel())
{
if (MCallowinterrupts && !MCdefaultstackptr -> cantabort())
return True;
else
MCinterrupt = True;
// OK-2010-04-29: [[Bug]] - cantAbort / allowInterrupts not working on OS X
return False;
}
if (MCnsockets != 0)
MCS_handle_sockets();
return False;
}
static PyObject *Evt_CheckEventQueueForUserCancel(PyObject *_self, PyObject *_args)
{
PyObject *_res = NULL;
Boolean _rv;
#ifndef CheckEventQueueForUserCancel
PyMac_PRECHECK(CheckEventQueueForUserCancel);
#endif
if (!PyArg_ParseTuple(_args, ""))
return NULL;
_rv = CheckEventQueueForUserCancel();
_res = Py_BuildValue("b",
_rv);
return _res;
}