Description of problem:
Turning OFF Docking station, wich remove 2 displays and turns on the laptop display.

Version-Release number of selected component:
qt-creator-3.3.0-1.fc21

Additional info:
reporter:       libreport-2.3.0
backtrace_rating: 4
cmdline:        /bin/qtcreator
crash_function: operator&
executable:     /usr/bin/qtcreator
kernel:         3.18.6-200.fc21.x86_64
runlevel:       N 5
type:           CCpp
uid:            1000

Truncated backtrace:
Thread no. 1 (10 frames)
 #0 operator& at ../../src/corelib/global/qflags.h:136
 #1 windowType at kernel/qwidget.h:744
 #2 isWindow at kernel/qwidget.h:752
 #3 QWidgetPrivate::drawWidget at kernel/qwidget.cpp:5541
 #4 QWidgetPrivate::paintSiblingsRecursive at kernel/qwidget.cpp:5732
 #6 QWidgetPrivate::drawWidget at kernel/qwidget.cpp:5589
 #7 QWidgetBackingStore::doSync at kernel/qwidgetbackingstore.cpp:1235
 #8 QWidgetBackingStore::sync at kernel/qwidgetbackingstore.cpp:1033
 #9 QWidgetPrivate::syncBackingStore at kernel/qwidget.cpp:1886
 #10 QWidget::event at kernel/qwidget.cpp:8961