Make the code compile with older Qt

Authored by mwolff on Oct 21 2018, 7:35 PM.

Description

Make the code compile with older Qt

Sadly, we can't yet use the QMetaObject::invokeMethod
that takes a functor...

(cherry picked from commit fc68afeb8d74510fdbd936c9c09a65823bc530d7)

Details

Committed
kfunkOct 22 2018, 6:44 AM
Parents
R32:0be566e31f79: Fix crashes when document gets destroyed directly after load
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