docs filters proxyroles sorters tests .gitignore CMakeLists.txt LICENSE README.md SortFilterProxyModel.pri SortFilterProxyModel.qbs index.qdoc offline.css qpm.json qqmlsortfilterproxymodel.cpp qqmlsortfilterproxymodel.h qqmlsortfilterproxymodeltypes.cpp qqmlsortfilterproxymodeltypes.h qvariantlessthan.cpp qvariantlessthan.h sortfilterproxymodel.qdocconf