bool wxEventLoopBase::YieldFor(long eventsToProcess)
{
#if wxUSE_THREADS
if ( !wxThread::IsMain() )
{
// Don't ever dispatch events from non-main threads.
return false;
}
#endif // wxUSE_THREADS
// set the flag and don't forget to reset it before returning
m_isInsideYield = true;
m_eventsToProcessInsideYield = eventsToProcess;
wxON_BLOCK_EXIT_SET(m_isInsideYield, false);
#if wxUSE_LOG
// disable log flushing from here because a call to wxYield() shouldn't
// normally result in message boxes popping up &c
wxLog::Suspend();
// ensure the logs will be flashed again when we exit
wxON_BLOCK_EXIT0(wxLog::Resume);
#endif
DoYieldFor(eventsToProcess);
return true;
}
bool wxEventLoopBase::YieldFor(long eventsToProcess)
{
#if wxUSE_THREADS
if ( !wxThread::IsMain() )
{
// Don't ever dispatch events from non-main threads.
return false;
}
#endif // wxUSE_THREADS
// set the flag and don't forget to reset it before returning
const int yieldLevelOld = m_yieldLevel;
const long eventsToProcessOld = m_eventsToProcessInsideYield;
m_yieldLevel++;
wxON_BLOCK_EXIT_SET(m_yieldLevel, yieldLevelOld);
m_eventsToProcessInsideYield = eventsToProcess;
wxON_BLOCK_EXIT_SET(m_eventsToProcessInsideYield, eventsToProcessOld);
#if wxUSE_LOG
// disable log flushing from here because a call to wxYield() shouldn't
// normally result in message boxes popping up &c
wxLog::Suspend();
// ensure the logs will be flashed again when we exit
wxON_BLOCK_EXIT0(wxLog::Resume);
#endif
DoYieldFor(eventsToProcess);
#if wxUSE_EXCEPTIONS
// If any handlers called from inside DoYieldFor() threw exceptions, they
// may have been stored for later rethrow as it's unsafe to let them escape
// from inside DoYieldFor() itself, as it calls native functions through
// which the exceptions can't propagate. But now that we're back to our own
// code, we may rethrow them.
if ( wxTheApp )
wxTheApp->RethrowStoredException();
#endif // wxUSE_EXCEPTIONS
return true;
}
