diff options
Diffstat (limited to 'ui/qt/models/packet_list_model.cpp')
| -rw-r--r-- | ui/qt/models/packet_list_model.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/ui/qt/models/packet_list_model.cpp b/ui/qt/models/packet_list_model.cpp index 0ed61d7..8cc0069 100644 --- a/ui/qt/models/packet_list_model.cpp +++ b/ui/qt/models/packet_list_model.cpp @@ -186,26 +186,74 @@ void PacketListModel::clear() { void PacketListModel::invalidateAllColumnStrings() { + // https://bugreports.qt.io/browse/QTBUG-58580 + // https://bugreports.qt.io/browse/QTBUG-124173 + // https://codereview.qt-project.org/c/qt/qtbase/+/285280 + // + // In Qt 6, QAbstractItemView::dataChanged determines how much of the + // viewport rectangle is covered by the changed indices and only updates + // that much. Unfortunately, if the number of indices is very large, + // computing the union of the intersecting rectangle takes much longer + // than unconditionally updating the entire viewport. It increases linearly + // with the total number of packets in the list, unlike updating the + // viewport, which scales with the size of the viewport but is unaffected + // by undisplayed packets. + // + // In particular, if the data for all of the model is invalidated, we + // know we want to update the entire viewport and very much do not + // want to waste time calculating the affected area. (This can take + // 1 s with 1.4 M packets, 9 s with 12 M packets.) + // + // Issuing layoutAboutToBeChanged() and layoutChanged() causes the + // QTreeView to clear all the information for each of the view items, + // but without clearing the current and selected items (unlike + // [begin|end]ResetModel.) + // + // Theoretically this is less efficient because dataChanged() has a list + // of what roles changed and the other signals do not; in practice, + // neither QTreeView::dataChanged nor QAbstractItemView::dataChanged + // actually use the roles parameter, and just reset everything. +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutAboutToBeChanged(); +#endif PacketListRecord::invalidateAllRecords(); +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutChanged(); +#else emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1), QVector<int>() << Qt::DisplayRole); +#endif } void PacketListModel::resetColumns() { +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutAboutToBeChanged(); +#endif if (cap_file_) { PacketListRecord::resetColumns(&cap_file_->cinfo); } +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutChanged(); +#else emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1)); +#endif emit headerDataChanged(Qt::Horizontal, 0, columnCount() - 1); } void PacketListModel::resetColorized() { +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutAboutToBeChanged(); +#endif PacketListRecord::resetColorization(); +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutChanged(); +#else emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1), QVector<int>() << Qt::BackgroundRole << Qt::ForegroundRole); +#endif } void PacketListModel::toggleFrameMark(const QModelIndexList &indeces) @@ -239,6 +287,9 @@ void PacketListModel::toggleFrameMark(const QModelIndexList &indeces) void PacketListModel::setDisplayedFrameMark(gboolean set) { +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutAboutToBeChanged(); +#endif foreach (PacketListRecord *record, visible_rows_) { if (set) { cf_mark_frame(cap_file_, record->frameData()); @@ -246,8 +297,12 @@ void PacketListModel::setDisplayedFrameMark(gboolean set) cf_unmark_frame(cap_file_, record->frameData()); } } +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutChanged(); +#else emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1), QVector<int>() << Qt::BackgroundRole << Qt::ForegroundRole); +#endif } void PacketListModel::toggleFrameIgnore(const QModelIndexList &indeces) @@ -281,6 +336,9 @@ void PacketListModel::toggleFrameIgnore(const QModelIndexList &indeces) void PacketListModel::setDisplayedFrameIgnore(gboolean set) { +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutAboutToBeChanged(); +#endif foreach (PacketListRecord *record, visible_rows_) { if (set) { cf_ignore_frame(cap_file_, record->frameData()); @@ -288,8 +346,12 @@ void PacketListModel::setDisplayedFrameIgnore(gboolean set) cf_unignore_frame(cap_file_, record->frameData()); } } +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutChanged(); +#else emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1), QVector<int>() << Qt::BackgroundRole << Qt::ForegroundRole << Qt::DisplayRole); +#endif } void PacketListModel::toggleFrameRefTime(const QModelIndex &rt_index) @@ -302,6 +364,9 @@ void PacketListModel::toggleFrameRefTime(const QModelIndex &rt_index) frame_data *fdata = record->frameData(); if (!fdata) return; +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutAboutToBeChanged(); +#endif if (fdata->ref_time) { fdata->ref_time=0; cap_file_->ref_time_count--; @@ -332,7 +397,11 @@ void PacketListModel::unsetAllFrameRefTime() cap_file_->ref_time_count = 0; cf_reftime_packets(cap_file_); PacketListRecord::resetColumns(&cap_file_->cinfo); +#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0) + emit layoutChanged(); +#else emit dataChanged(index(0, 0), index(rowCount() - 1, columnCount() - 1)); +#endif } void PacketListModel::addFrameComment(const QModelIndexList &indices, const QByteArray &comment) |