diff options
author | Liang Qi <liang.qi@qt.io> | 2017-11-23 12:32:56 +0100 |
---|---|---|
committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2017-11-23 12:52:18 +0100 |
commit | 7c4b0aa9706bdb79f0f79841cf6704e2f613fe69 (patch) | |
tree | 77acbaa2d335759e0a5ed04d37608dce2b12acbc /src/widgets/itemviews/qheaderview.cpp | |
parent | 110e49c9cecca34dfacad33d19e04612cc2671b2 (diff) | |
parent | eade2255ea7cd8200569080e9b295479b1f51bed (diff) |
Merge remote-tracking branch 'origin/5.9' into 5.10
Conflicts:
src/corelib/io/qstandardpaths_win.cpp
src/plugins/platforms/ios/qioswindow.mm
src/plugins/platforms/ios/quiview.mm
tests/auto/widgets/itemviews/qtreeview/tst_qtreeview.cpp
Change-Id: I5deb0a0176a454a9c566e924d074ba60ce04f0bc
Diffstat (limited to 'src/widgets/itemviews/qheaderview.cpp')
-rw-r--r-- | src/widgets/itemviews/qheaderview.cpp | 34 |
1 files changed, 10 insertions, 24 deletions
diff --git a/src/widgets/itemviews/qheaderview.cpp b/src/widgets/itemviews/qheaderview.cpp index 463ed7e58c..c7966f624f 100644 --- a/src/widgets/itemviews/qheaderview.cpp +++ b/src/widgets/itemviews/qheaderview.cpp @@ -2086,40 +2086,26 @@ void QHeaderViewPrivate::_q_layoutChanged() { Q_Q(QHeaderView); viewport->update(); - if (persistentHiddenSections.isEmpty() || modelIsEmpty()) { - if (modelSectionCount() != sectionCount()) - q->initializeSections(); - persistentHiddenSections.clear(); + + const auto hiddenSections = persistentHiddenSections; + persistentHiddenSections.clear(); + + clear(); + q->initializeSections(); + invalidateCachedSizeHint(); + + if (modelIsEmpty()) { return; } - QBitArray oldSectionHidden = sectionsHiddenToBitVector(); - oldSectionHidden.resize(sectionItems.size()); - bool sectionCountChanged = false; - - for (int i = 0; i < persistentHiddenSections.count(); ++i) { - QModelIndex index = persistentHiddenSections.at(i); + for (const auto &index : hiddenSections) { if (index.isValid()) { const int logical = (orientation == Qt::Horizontal ? index.column() : index.row()); q->setSectionHidden(logical, true); - oldSectionHidden.setBit(logical, false); - } else if (!sectionCountChanged && (modelSectionCount() != sectionCount())) { - sectionCountChanged = true; - break; } } - persistentHiddenSections.clear(); - - for (int i = 0; i < oldSectionHidden.count(); ++i) { - if (oldSectionHidden.testBit(i)) - q->setSectionHidden(i, false); - } - - // the number of sections changed; we need to reread the state of the model - if (sectionCountChanged) - q->initializeSections(); } /*! |