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Check whether Cursor is valid before using from EffectsHandler mousePolling

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During tear down Compositor and Effect system might be destroyed after
Cursor. Thus we need to ensure that we don't call into Cursor
unconditonally.
This commit is contained in:
Martin Gräßlin 2015-11-09 16:24:13 +01:00
parent 7b9c21d63c
commit 936c52e263
1 changed files with 4 additions and 2 deletions
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6
effects.cpp
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@ -769,12 +769,14 @@ void* EffectsHandlerImpl::getProxy(QString name)
void EffectsHandlerImpl::startMousePolling() void EffectsHandlerImpl::startMousePolling()
{ {
Cursor::self()->startMousePolling(); if (Cursor::self())
Cursor::self()->startMousePolling();
} }
void EffectsHandlerImpl::stopMousePolling() void EffectsHandlerImpl::stopMousePolling()
{ {
Cursor::self()->stopMousePolling(); if (Cursor::self())
Cursor::self()->stopMousePolling();
} }
bool EffectsHandlerImpl::hasKeyboardGrab() const bool EffectsHandlerImpl::hasKeyboardGrab() const