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Diffstat (limited to 'qt-models/divetripmodel.h')
-rw-r--r-- | qt-models/divetripmodel.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/qt-models/divetripmodel.h b/qt-models/divetripmodel.h index c8050a6da..fb3c3395d 100644 --- a/qt-models/divetripmodel.h +++ b/qt-models/divetripmodel.h @@ -138,6 +138,14 @@ private: // quite inconvenient to access. // 2) If "trip" is null, this is a dive and dives is supposed to contain exactly // one element, which is the corresponding dive. + // + // Top-level items are ordered by timestamp. For dives, the core function + // dive_less_than is used, which guarantees a stable ordering even in the + // case of equal timestamps. For dives and trips, place dives before trips + // in the case of an equal timestamp. For trips with equal timestamps, the + // order is currently undefined. This is currently not a problem, because + // the core doesn't have a list of sorted trips. But nevertheless something + // to keep in mind. struct Item { dive_trip *trip; std::vector<dive *> dives; // std::vector<> instead of QVector for insert() with three iterators @@ -148,6 +156,8 @@ private: dive *getDive() const; // Helper function: returns top-level-dive or null timestamp_t when() const; // Helper function: start time of dive *or* trip }; + // Comparison function between dive and arbitrary entry + static bool dive_before_entry(const dive *d, const Item &entry); // Access trips and dives int findTripIdx(const dive_trip *trip) const; |