diff options
Diffstat (limited to 'src/gui/itemviews/qitemselectionmodel.cpp')
| -rw-r--r-- | src/gui/itemviews/qitemselectionmodel.cpp | 18 |
1 files changed, 13 insertions, 5 deletions
diff --git a/src/gui/itemviews/qitemselectionmodel.cpp b/src/gui/itemviews/qitemselectionmodel.cpp index f848321..4979db6 100644 --- a/src/gui/itemviews/qitemselectionmodel.cpp +++ b/src/gui/itemviews/qitemselectionmodel.cpp @@ -634,6 +634,7 @@ void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &pare } QItemSelection deselected; + QItemSelection newParts; QItemSelection::iterator it = ranges.begin(); while (it != ranges.end()) { if (it->topLeft().parent() != parent) { // Check parents until reaching root or contained in range @@ -659,13 +660,20 @@ void QItemSelectionModelPrivate::_q_rowsAboutToBeRemoved(const QModelIndex &pare deselected.append(QItemSelectionRange(model->index(start, it->right(), it->parent()), it->bottomRight())); *it = QItemSelectionRange(it->topLeft(), model->index(start - 1, it->right(), it->parent())); ++it; - } else { - if (it->top() < start && end < it->bottom()) // Middle intersection (do nothing) - deselected.append(QItemSelectionRange(model->index(start, it->right(), it->parent()), - model->index(end, it->left(), it->parent()))); + } else if (it->top() < start && end < it->bottom()) { // Middle intersection + // If the parent contains (1, 2, 3, 4, 5, 6, 7, 8) and [3, 4, 5, 6] is selected, + // and [4, 5] is removed, we need to split [3, 4, 5, 6] into [3], [4, 5] and [6]. + // [4, 5] is appended to deselected, and [3] and [6] remain part of the selection + // in ranges. + const QItemSelectionRange removedRange(model->index(start, it->right(), it->parent()), + model->index(end, it->left(), it->parent())); + deselected.append(removedRange); + QItemSelection::split(*it, removedRange, &newParts); + it = ranges.erase(it); + } else ++it; - } } + ranges.append(newParts); if (!deselected.isEmpty()) emit q->selectionChanged(QItemSelection(), deselected); |