kleines Filmröllchen d813bf77ee LibGUI: Associate model index metadata directly with the model index ...

This was using internal_data beforehand, which relies on the internal
data to be distinct for different model indices. That's not the case for
example for SortingProxyModel. Using the model index directly makes tree
expansion work properly when using a tree table widget with a
SortingProxyModel.

2022-04-06 12:47:50 +02:00

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