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Diffstat (limited to 'src/gui/itemviews/qitemselectionmodel.h')
| -rw-r--r-- | src/gui/itemviews/qitemselectionmodel.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/gui/itemviews/qitemselectionmodel.h b/src/gui/itemviews/qitemselectionmodel.h index 436514f..e2bd06b 100644 --- a/src/gui/itemviews/qitemselectionmodel.h +++ b/src/gui/itemviews/qitemselectionmodel.h @@ -101,6 +101,30 @@ public: { return (tl == other.tl && br == other.br); } inline bool operator!=(const QItemSelectionRange &other) const { return !operator==(other); } + inline bool operator<(const QItemSelectionRange &other) const + { + // Comparing parents will compare the models, but if two equivalent ranges + // in two different models have invalid parents, they would appear the same + if (other.tl.model() == tl.model()) { + // parent has to be calculated, so we only do so once. + const QModelIndex topLeftParent = tl.parent(); + const QModelIndex otherTopLeftParent = other.tl.parent(); + if (topLeftParent == otherTopLeftParent) { + if (other.tl.row() == tl.row()) { + if (other.tl.column() == tl.column()) { + if (other.br.row() == br.row()) { + return br.column() < other.br.column(); + } + return br.row() < other.br.row(); + } + return tl.column() < other.tl.column(); + } + return tl.row() < other.tl.row(); + } + return topLeftParent < otherTopLeftParent; + } + return tl.model() < other.tl.model(); + } inline bool isValid() const { |