thread #1, queue = 'com.apple.main-thread'
    frame #0: 0x00007fff6c3ea43c libsystem_platform.dylib`_os_unfair_lock_recursive_abort + 23
    frame #1: 0x00007fff6c3e5ceb libsystem_platform.dylib`_os_unfair_lock_lock_slow + 256
    frame #2: 0x00007fff6ae7c903 libobjc.A.dylib`lookUpImpOrForward + 112
    frame #3: 0x00007fff6ae7c419 libobjc.A.dylib`_objc_msgSend_uncached + 73
    frame #4: 0x00007fff323107d6 AppKit`_NXEndKeyAndMain + 162
    frame #5: 0x00007fff3230f557 AppKit`-[NSApplication _handleDeactivateEvent:] + 764
    frame #6: 0x00007fff32113f90 AppKit`-[NSApplication(NSEvent) sendEvent:] + 2776
    frame #7: 0x0000000108c3ec4c libqcocoa_debug.dylib`::-[QNSApplication sendEvent:](self=0x0000000104227810, _cmd="sendEvent:", event=0x000000010dd1b500) at qcocoaapplication.mm:174
    frame #8: 0x00007fff32103005 AppKit`-[NSApplication run] + 707
    frame #9: 0x0000000108c37b00 libqcocoa_debug.dylib`QCocoaEventDispatcher::processEvents(this=0x0000000104416010, flags=(i = 36)) at qcocoaeventdispatcher.mm:431
    frame #10: 0x00000001037615f4 QtCore_debug`QEventLoop::processEvents(this=0x00007ffeefbff200, flags=(i = 36)) at qeventloop.cpp:134
    frame #11: 0x000000010376180b QtCore_debug`QEventLoop::exec(this=0x00007ffeefbff200, flags=(i = 0)) at qeventloop.cpp:212
    frame #12: 0x000000010376793c QtCore_debug`QCoreApplication::exec() at qcoreapplication.cpp:1297
    frame #13: 0x0000000102c37046 QtGui_debug`QGuiApplication::exec() at qguiapplication.cpp:1679
    frame #14: 0x00000001022e8e39 QtWidgets_debug`QApplication::exec() at qapplication.cpp:2910
    frame #15: 0x00000001005f416b Uurrooster`main(argc=1, argv=0x00007ffeefbff8a0) at main.cpp:67
    frame #16: 0x00007fff6c1e6405 libdyld.dylib`start + 1
  thread #3
    frame #0: 0x00007fff6c3ef5b4 libsystem_pthread.dylib`start_wqthread
  thread #5
    frame #0: 0x00007fff6c3ef5b4 libsystem_pthread.dylib`start_wqthread
  thread #7
    frame #0: 0x00007fff6c3ef5b4 libsystem_pthread.dylib`start_wqthread
  thread #8, name = 'com.apple.NSEventThread'
    frame #0: 0x00007fff6c32f146 libsystem_kernel.dylib`mach_msg_trap + 10
    frame #1: 0x00007fff6c32f6ac libsystem_kernel.dylib`mach_msg + 60
    frame #2: 0x00007fff34ee819b CoreFoundation`__CFRunLoopServiceMachPort + 322
    frame #3: 0x00007fff34ee7737 CoreFoundation`__CFRunLoopRun + 1695
    frame #4: 0x00007fff34ee6e13 CoreFoundation`CFRunLoopRunSpecific + 499
    frame #5: 0x00007fff32111026 AppKit`_NSEventThread + 132
    frame #6: 0x00007fff6c3f2d76 libsystem_pthread.dylib`_pthread_start + 125
    frame #7: 0x00007fff6c3ef5d7 libsystem_pthread.dylib`thread_start + 15
  thread #9, name = 'Qt bearer thread'
    frame #0: 0x00007fff6c33759e libsystem_kernel.dylib`poll + 10
    frame #1: 0x000000010380476b QtCore_debug`qt_ppoll(fds=0x0000000104177168, nfds=1, timeout_ts=0x000070000480dbd8) at qcore_unix.cpp:83
    frame #2: 0x00000001038046d6 QtCore_debug`qt_safe_poll(fds=0x0000000104177168, nfds=1, timeout_ts=0x000070000480dcc0) at qcore_unix.cpp:111
    frame #3: 0x0000000103806b4c QtCore_debug`QEventDispatcherUNIX::processEvents(this=0x0000000104174510, flags=(i = 36)) at qeventdispatcher_unix.cpp:500
    frame #4: 0x00000001037615f4 QtCore_debug`QEventLoop::processEvents(this=0x000070000480de48, flags=(i = 36)) at qeventloop.cpp:134
    frame #5: 0x000000010376180b QtCore_debug`QEventLoop::exec(this=0x000070000480de48, flags=(i = 0)) at qeventloop.cpp:212
    frame #6: 0x0000000103489fe3 QtCore_debug`QThread::exec(this=0x00000001044e5130) at qthread.cpp:515
    frame #7: 0x000000010348a2b5 QtCore_debug`QThread::run(this=0x00000001044e5130) at qthread.cpp:582
    frame #8: 0x000000010349422d QtCore_debug`QThreadPrivate::start(arg=0x00000001044e5130) at qthread_unix.cpp:368
    frame #9: 0x00007fff6c3f2d76 libsystem_pthread.dylib`_pthread_start + 125
    frame #10: 0x00007fff6c3ef5d7 libsystem_pthread.dylib`thread_start + 15
  thread #10, name = 'Thread (pooled)'
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    frame #1: 0x00007fff6c3f3082 libsystem_pthread.dylib`_pthread_cond_wait + 701
    frame #2: 0x0000000103495fd4 QtCore_debug`QWaitConditionPrivate::wait_relative(this=0x000000010432f7b0, time=30000) at qwaitcondition_unix.cpp:133
    frame #3: 0x0000000103495d40 QtCore_debug`QWaitConditionPrivate::wait(this=0x000000010432f7b0, time=30000) at qwaitcondition_unix.cpp:141
    frame #4: 0x0000000103495ce7 QtCore_debug`QWaitCondition::wait(this=0x000000010432f430, mutex=0x000000010432f350, time=30000) at qwaitcondition_unix.cpp:215
    frame #5: 0x000000010348c287 QtCore_debug`QThreadPoolThread::run(this=0x000000010432f420) at qthreadpool.cpp:144
    frame #6: 0x000000010349422d QtCore_debug`QThreadPrivate::start(arg=0x000000010432f420) at qthread_unix.cpp:368
    frame #7: 0x00007fff6c3f2d76 libsystem_pthread.dylib`_pthread_start + 125
    frame #8: 0x00007fff6c3ef5d7 libsystem_pthread.dylib`thread_start + 15
  thread #12, name = 'QThread'
    frame #0: 0x00007fff6c3328f6 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff6c3f3082 libsystem_pthread.dylib`_pthread_cond_wait + 701
    frame #2: 0x0000000103495d5c QtCore_debug`QWaitConditionPrivate::wait(this=0x0000000104308fb0, time=18446744073709551615) at qwaitcondition_unix.cpp:143
    frame #3: 0x0000000103495ce7 QtCore_debug`QWaitCondition::wait(this=0x0000000100d81cd8, mutex=0x0000000100d81cc0, time=18446744073709551615) at qwaitcondition_unix.cpp:215
    frame #4: 0x000000010027b765 Uurrooster`CMrThread::WaitForEvent(this=0x0000000100d81c98, event=0x0000000100d81cd8, maxWaitTime=4294967295) at MrThread.h:102
    frame #5: 0x000000010027b562 Uurrooster`CBasicWorker::WaitForEvent(this=0x0000000100d81c60, event=0x0000000100d81cd8, maxMilliSeconds=4294967295) at BasicWorker.cpp:306
    frame #6: 0x000000010027b2a4 Uurrooster`CBasicWorker::DoWork(this=0x0000000100d81c60) at BasicWorker.cpp:110
    frame #7: 0x000000010027b08b Uurrooster`CBasicWorker::Work(lpVoid=0x0000000100d81c60) at BasicWorker.cpp:37
    frame #8: 0x000000010000537d Uurrooster`CMrThread::run(this=0x0000000100d81c98) at MrThread.h:84
    frame #9: 0x000000010349422d QtCore_debug`QThreadPrivate::start(arg=0x0000000100d81c98) at qthread_unix.cpp:368
    frame #10: 0x00007fff6c3f2d76 libsystem_pthread.dylib`_pthread_start + 125
    frame #11: 0x00007fff6c3ef5d7 libsystem_pthread.dylib`thread_start + 15
  thread #13, name = 'QThread'
    frame #0: 0x00007fff6c3328f6 libsystem_kernel.dylib`__psynch_cvwait + 10
    frame #1: 0x00007fff6c3f3082 libsystem_pthread.dylib`_pthread_cond_wait + 701
    frame #2: 0x0000000103495d5c QtCore_debug`QWaitConditionPrivate::wait(this=0x00000001043302c0, time=18446744073709551615) at qwaitcondition_unix.cpp:143
    frame #3: 0x0000000103495ce7 QtCore_debug`QWaitCondition::wait(this=0x00000001043124a8, mutex=0x0000000104312490, time=18446744073709551615) at qwaitcondition_unix.cpp:215
    frame #4: 0x000000010027b765 Uurrooster`CMrThread::WaitForEvent(this=0x0000000104312468, event=0x00000001043124a8, maxWaitTime=4294967295) at MrThread.h:102
    frame #5: 0x000000010027b562 Uurrooster`CBasicWorker::WaitForEvent(this=0x0000000104312430, event=0x00000001043124a8, maxMilliSeconds=4294967295) at BasicWorker.cpp:306
    frame #6: 0x000000010027b2a4 Uurrooster`CBasicWorker::DoWork(this=0x0000000104312430) at BasicWorker.cpp:110
    frame #7: 0x000000010027b08b Uurrooster`CBasicWorker::Work(lpVoid=0x0000000104312430) at BasicWorker.cpp:37
    frame #8: 0x000000010000537d Uurrooster`CMrThread::run(this=0x0000000104312468) at MrThread.h:84
    frame #9: 0x000000010349422d QtCore_debug`QThreadPrivate::start(arg=0x0000000104312468) at qthread_unix.cpp:368
    frame #10: 0x00007fff6c3f2d76 libsystem_pthread.dylib`_pthread_start + 125
    frame #11: 0x00007fff6c3ef5d7 libsystem_pthread.dylib`thread_start + 15
  thread #14
    frame #0: 0x00007fff6c330b7a libsystem_kernel.dylib`__workq_kernreturn + 10
    frame #1: 0x00007fff6c3ef7c7 libsystem_pthread.dylib`_pthread_wqthread + 390
    frame #2: 0x00007fff6c3ef5c3 libsystem_pthread.dylib`start_wqthread + 15
  thread #15
    frame #0: 0x0000000000000000